diff --git a/blockly_accessible_compressed.js b/blockly_accessible_compressed.js
index 22be0080c..333de2689 100644
--- a/blockly_accessible_compressed.js
+++ b/blockly_accessible_compressed.js
@@ -5,7 +5,7 @@ var $jscomp=$jscomp||{};$jscomp.scope={};var COMPILED=!0,goog=goog||{};goog.glob
 goog.exportPath_=function(a,b,c){a=a.split(".");c=c||goog.global;a[0]in c||"undefined"==typeof c.execScript||c.execScript("var "+a[0]);for(var d;a.length&&(d=a.shift());)!a.length&&goog.isDef(b)?c[d]=b:c=c[d]&&c[d]!==Object.prototype[d]?c[d]:c[d]={}};
 goog.define=function(a,b){if(!COMPILED){var c=goog.global.CLOSURE_UNCOMPILED_DEFINES,d=goog.global.CLOSURE_DEFINES;c&&void 0===c.nodeType&&Object.prototype.hasOwnProperty.call(c,a)?b=c[a]:d&&void 0===d.nodeType&&Object.prototype.hasOwnProperty.call(d,a)&&(b=d[a])}goog.exportPath_(a,b)};goog.DEBUG=!1;goog.LOCALE="en";goog.TRUSTED_SITE=!0;goog.STRICT_MODE_COMPATIBLE=!1;goog.DISALLOW_TEST_ONLY_CODE=COMPILED&&!goog.DEBUG;goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING=!1;
 goog.provide=function(a){if(goog.isInModuleLoader_())throw Error("goog.provide cannot be used within a module.");if(!COMPILED&&goog.isProvided_(a))throw Error('Namespace "'+a+'" already declared.');goog.constructNamespace_(a)};goog.constructNamespace_=function(a,b){if(!COMPILED){delete goog.implicitNamespaces_[a];for(var c=a;(c=c.substring(0,c.lastIndexOf(".")))&&!goog.getObjectByName(c);)goog.implicitNamespaces_[c]=!0}goog.exportPath_(a,b)};
-goog.getScriptNonce=function(){null===goog.cspNonce_&&(goog.cspNonce_=goog.getScriptNonce_(goog.global.document)||"");return goog.cspNonce_};goog.NONCE_PATTERN_=/^[\w+/_-]+[=]{0,2}$/;goog.cspNonce_=null;goog.getScriptNonce_=function(a){return(a=a.querySelector("script[nonce]"))&&(a=a.nonce||a.getAttribute("nonce"))&&goog.NONCE_PATTERN_.test(a)?a:null};goog.VALID_MODULE_RE_=/^[a-zA-Z_$][a-zA-Z0-9._$]*$/;
+goog.getScriptNonce=function(){null===goog.cspNonce_&&(goog.cspNonce_=goog.getScriptNonce_(goog.global.document)||"");return goog.cspNonce_};goog.NONCE_PATTERN_=/^[\w+/_-]+[=]{0,2}$/;goog.cspNonce_=null;goog.getScriptNonce_=function(a){return(a=a.querySelector&&a.querySelector("script[nonce]"))&&(a=a.nonce||a.getAttribute("nonce"))&&goog.NONCE_PATTERN_.test(a)?a:null};goog.VALID_MODULE_RE_=/^[a-zA-Z_$][a-zA-Z0-9._$]*$/;
 goog.module=function(a){if(!goog.isString(a)||!a||-1==a.search(goog.VALID_MODULE_RE_))throw Error("Invalid module identifier");if(!goog.isInGoogModuleLoader_())throw Error("Module "+a+" has been loaded incorrectly. Note, modules cannot be loaded as normal scripts. They require some kind of pre-processing step. You're likely trying to load a module via a script tag or as a part of a concatenated bundle without rewriting the module. For more info see: https://github.com/google/closure-library/wiki/goog.module:-an-ES6-module-like-alternative-to-goog.provide.");
 if(goog.moduleLoaderState_.moduleName)throw Error("goog.module may only be called once per module.");goog.moduleLoaderState_.moduleName=a;if(!COMPILED){if(goog.isProvided_(a))throw Error('Namespace "'+a+'" already declared.');delete goog.implicitNamespaces_[a]}};goog.module.get=function(a){return goog.module.getInternal_(a)};
 goog.module.getInternal_=function(a){if(!COMPILED){if(a in goog.loadedModules_)return goog.loadedModules_[a].exports;if(!goog.implicitNamespaces_[a])return a=goog.getObjectByName(a),null!=a?a:null}return null};goog.ModuleType={ES6:"es6",GOOG:"goog"};goog.moduleLoaderState_=null;goog.isInModuleLoader_=function(){return goog.isInGoogModuleLoader_()||goog.isInEs6ModuleLoader_()};goog.isInGoogModuleLoader_=function(){return!!goog.moduleLoaderState_&&goog.moduleLoaderState_.type==goog.ModuleType.GOOG};
@@ -16,13 +16,13 @@ if(!b||"function"!=typeof b.getCurrentModulePath)throw Error('Module with namesp
 COMPILED||(goog.isProvided_=function(a){return a in goog.loadedModules_||!goog.implicitNamespaces_[a]&&goog.isDefAndNotNull(goog.getObjectByName(a))},goog.implicitNamespaces_={"goog.module":!0});goog.getObjectByName=function(a,b){a=a.split(".");b=b||goog.global;for(var c=0;c<a.length;c++)if(b=b[a[c]],!goog.isDefAndNotNull(b))return null;return b};goog.globalize=function(a,b){b=b||goog.global;for(var c in a)b[c]=a[c]};
 goog.addDependency=function(a,b,c,d){!COMPILED&&goog.DEPENDENCIES_ENABLED&&goog.debugLoader_.addDependency(a,b,c,d)};goog.ENABLE_DEBUG_LOADER=!0;goog.logToConsole_=function(a){goog.global.console&&goog.global.console.error(a)};
 goog.require=function(a){if(!COMPILED){goog.ENABLE_DEBUG_LOADER&&goog.debugLoader_.requested(a);if(goog.isProvided_(a)){if(goog.isInModuleLoader_())return goog.module.getInternal_(a)}else if(goog.ENABLE_DEBUG_LOADER){var b=goog.moduleLoaderState_;goog.moduleLoaderState_=null;try{goog.debugLoader_.load_(a)}finally{goog.moduleLoaderState_=b}}return null}};goog.basePath="";goog.nullFunction=function(){};goog.abstractMethod=function(){throw Error("unimplemented abstract method");};
-goog.addSingletonGetter=function(a){a.instance_=void 0;a.getInstance=function(){if(a.instance_)return a.instance_;goog.DEBUG&&(goog.instantiatedSingletons_[goog.instantiatedSingletons_.length]=a);return a.instance_=new a}};goog.instantiatedSingletons_=[];goog.LOAD_MODULE_USING_EVAL=!0;goog.SEAL_MODULE_EXPORTS=goog.DEBUG;goog.loadedModules_={};goog.DEPENDENCIES_ENABLED=!COMPILED&&goog.ENABLE_DEBUG_LOADER;goog.TRANSPILE="detect";goog.TRANSPILER="transpile.js";goog.hasBadLetScoping=null;
-goog.useSafari10Workaround=function(){if(null==goog.hasBadLetScoping){try{var a=!eval('"use strict";let x = 1; function f() { return typeof x; };f() == "number";')}catch(b){a=!1}goog.hasBadLetScoping=a}return goog.hasBadLetScoping};goog.workaroundSafari10EvalBug=function(a){return"(function(){"+a+"\n;})();\n"};
+goog.addSingletonGetter=function(a){a.instance_=void 0;a.getInstance=function(){if(a.instance_)return a.instance_;goog.DEBUG&&(goog.instantiatedSingletons_[goog.instantiatedSingletons_.length]=a);return a.instance_=new a}};goog.instantiatedSingletons_=[];goog.LOAD_MODULE_USING_EVAL=!0;goog.SEAL_MODULE_EXPORTS=goog.DEBUG;goog.loadedModules_={};goog.DEPENDENCIES_ENABLED=!COMPILED&&goog.ENABLE_DEBUG_LOADER;goog.TRANSPILE="detect";goog.TRANSPILE_TO_LANGUAGE="";goog.TRANSPILER="transpile.js";
+goog.hasBadLetScoping=null;goog.useSafari10Workaround=function(){if(null==goog.hasBadLetScoping){try{var a=!eval('"use strict";let x = 1; function f() { return typeof x; };f() == "number";')}catch(b){a=!1}goog.hasBadLetScoping=a}return goog.hasBadLetScoping};goog.workaroundSafari10EvalBug=function(a){return"(function(){"+a+"\n;})();\n"};
 goog.loadModule=function(a){var b=goog.moduleLoaderState_;try{goog.moduleLoaderState_={moduleName:"",declareLegacyNamespace:!1,type:goog.ModuleType.GOOG};if(goog.isFunction(a))var c=a.call(void 0,{});else if(goog.isString(a))goog.useSafari10Workaround()&&(a=goog.workaroundSafari10EvalBug(a)),c=goog.loadModuleFromSource_.call(void 0,a);else throw Error("Invalid module definition");var d=goog.moduleLoaderState_.moduleName;if(goog.isString(d)&&d)goog.moduleLoaderState_.declareLegacyNamespace?goog.constructNamespace_(d,
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 goog.loadFileSync_=function(a){if(goog.global.CLOSURE_LOAD_FILE_SYNC)return goog.global.CLOSURE_LOAD_FILE_SYNC(a);try{var b=new goog.global.XMLHttpRequest;b.open("get",a,!1);b.send();return 0==b.status||200==b.status?b.responseText:null}catch(c){return null}};
-goog.transpile_=function(a,b){var c=goog.global.$jscomp;c||(goog.global.$jscomp=c={});var d=c.transpile;if(!d){var e=goog.basePath+goog.TRANSPILER,f=goog.loadFileSync_(e);if(f){(function(){eval(f+"\n//# sourceURL="+e)}).call(goog.global);if(goog.global.$gwtExport&&goog.global.$gwtExport.$jscomp&&!goog.global.$gwtExport.$jscomp.transpile)throw Error('The transpiler did not properly export the "transpile" method. $gwtExport: '+JSON.stringify(goog.global.$gwtExport));goog.global.$jscomp.transpile=goog.global.$gwtExport.$jscomp.transpile;
-c=goog.global.$jscomp;d=c.transpile}}d||(d=c.transpile=function(a,b){goog.logToConsole_(b+" requires transpilation but no transpiler was found.");return a});return d(a,b)};
+goog.transpile_=function(a,b,c){var d=goog.global.$jscomp;d||(goog.global.$jscomp=d={});var e=d.transpile;if(!e){var f=goog.basePath+goog.TRANSPILER,g=goog.loadFileSync_(f);if(g){(function(){eval(g+"\n//# sourceURL="+f)}).call(goog.global);if(goog.global.$gwtExport&&goog.global.$gwtExport.$jscomp&&!goog.global.$gwtExport.$jscomp.transpile)throw Error('The transpiler did not properly export the "transpile" method. $gwtExport: '+JSON.stringify(goog.global.$gwtExport));goog.global.$jscomp.transpile=
+goog.global.$gwtExport.$jscomp.transpile;d=goog.global.$jscomp;e=d.transpile}}e||(e=d.transpile=function(a,b){goog.logToConsole_(b+" requires transpilation but no transpiler was found.");return a});return e(a,b,c)};
 goog.typeOf=function(a){var b=typeof a;if("object"==b)if(a){if(a instanceof Array)return"array";if(a instanceof Object)return b;var c=Object.prototype.toString.call(a);if("[object Window]"==c)return"object";if("[object Array]"==c||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return"array";if("[object Function]"==c||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return"function"}else return"null";
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@@ -41,31 +41,32 @@ goog.defineClass.SEAL_CLASS_INSTANCES=goog.DEBUG;goog.defineClass.createSealingC
 goog.defineClass.OBJECT_PROTOTYPE_FIELDS_="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" ");goog.defineClass.applyProperties_=function(a,b){for(var c in b)Object.prototype.hasOwnProperty.call(b,c)&&(a[c]=b[c]);for(var d=0;d<goog.defineClass.OBJECT_PROTOTYPE_FIELDS_.length;d++)c=goog.defineClass.OBJECT_PROTOTYPE_FIELDS_[d],Object.prototype.hasOwnProperty.call(b,c)&&(a[c]=b[c])};
 goog.tagUnsealableClass=function(a){!COMPILED&&goog.defineClass.SEAL_CLASS_INSTANCES&&(a.prototype[goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_]=!0)};goog.UNSEALABLE_CONSTRUCTOR_PROPERTY_="goog_defineClass_legacy_unsealable";
 !COMPILED&&goog.DEPENDENCIES_ENABLED&&(goog.inHtmlDocument_=function(){var a=goog.global.document;return null!=a&&"write"in a},goog.isDocumentLoading_=function(){var a=goog.global.document;return a.attachEvent?"complete"!=a.readyState:"loading"==a.readyState},goog.findBasePath_=function(){if(goog.isDef(goog.global.CLOSURE_BASE_PATH)&&goog.isString(goog.global.CLOSURE_BASE_PATH))goog.basePath=goog.global.CLOSURE_BASE_PATH;else if(goog.inHtmlDocument_()){var a=goog.global.document,b=a.currentScript;
-a=b?[b]:a.getElementsByTagName("SCRIPT");for(b=a.length-1;0<=b;--b){var c=a[b].src,d=c.lastIndexOf("?");d=-1==d?c.length:d;if("base.js"==c.substr(d-7,7)){goog.basePath=c.substr(0,d-7);break}}}},goog.findBasePath_(),goog.Transpiler=function(){this.requiresTranspilation_=null},goog.Transpiler.prototype.createRequiresTranspilation_=function(){function a(a,b){d?c[a]=!0:b()?c[a]=!1:d=c[a]=!0}function b(a){try{return!!eval(a)}catch(g){return!1}}var c={es3:!1},d=!1,e=goog.global.navigator&&goog.global.navigator.userAgent?
-goog.global.navigator.userAgent:"";a("es5",function(){return b("[1,].length==1")});a("es6",function(){var a=e.match(/Edge\/(\d+)(\.\d)*/i);return a&&15>Number(a[1])?!1:b('(()=>{"use strict";class X{constructor(){if(new.target!=String)throw 1;this.x=42}}let q=Reflect.construct(X,[],String);if(q.x!=42||!(q instanceof String))throw 1;for(const a of[2,3]){if(a==2)continue;function f(z={a}){let a=0;return z.a}{function f(){return 0;}}return f()==3}})()')});a("es6-impl",function(){return!0});a("es7",function(){return b("2 ** 2 == 4")});
-a("es8",function(){return b("async () => 1, true")});a("es9",function(){return b("({...rest} = {}), true")});a("es_next",function(){return!1});return c},goog.Transpiler.prototype.needsTranspile=function(a,b){if("always"==goog.TRANSPILE)return!0;if("never"==goog.TRANSPILE)return!1;this.requiresTranspilation_||(this.requiresTranspilation_=this.createRequiresTranspilation_());if(a in this.requiresTranspilation_)return this.requiresTranspilation_[a]?!0:!goog.inHtmlDocument_()||"es6"!=b||"noModule"in goog.global.document.createElement("script")?
-!1:!0;throw Error("Unknown language mode: "+a);},goog.Transpiler.prototype.transpile=function(a,b){return goog.transpile_(a,b)},goog.transpiler_=new goog.Transpiler,goog.protectScriptTag_=function(a){return a.replace(/<\/(SCRIPT)/ig,"\\x3c/$1")},goog.DebugLoader_=function(){this.dependencies_={};this.idToPath_={};this.written_={};this.loadingDeps_=[];this.depsToLoad_=[];this.paused_=!1;this.factory_=new goog.DependencyFactory(goog.transpiler_);this.deferredCallbacks_={};this.deferredQueue_=[]},goog.DebugLoader_.prototype.bootstrap=
-function(a,b){function c(){d&&(goog.global.setTimeout(d,0),d=null)}var d=b;if(a.length){b=[];for(var e=0;e<a.length;e++){var f=this.getPathFromDeps_(a[e]);if(!f)throw Error("Unregonized namespace: "+a[e]);b.push(this.dependencies_[f])}f=goog.require;var g=0;for(e=0;e<a.length;e++)f(a[e]),b[e].onLoad(function(){++g==a.length&&c()})}else c()},goog.DebugLoader_.prototype.loadClosureDeps=function(){this.depsToLoad_.push(this.factory_.createDependency(goog.normalizePath_(goog.basePath+"deps.js"),"deps.js",
-[],[],{},!1));this.loadDeps_()},goog.DebugLoader_.prototype.requested=function(a,b){(a=this.getPathFromDeps_(a))&&(b||this.areDepsLoaded_(this.dependencies_[a].requires))&&(b=this.deferredCallbacks_[a])&&(delete this.deferredCallbacks_[a],b())},goog.DebugLoader_.prototype.setDependencyFactory=function(a){this.factory_=a},goog.DebugLoader_.prototype.load_=function(a){if(this.getPathFromDeps_(a)){var b=this,c=[],d=function(a){var e=b.getPathFromDeps_(a);if(!e)throw Error("Bad dependency path or symbol: "+
-a);if(!b.written_[e]){b.written_[e]=!0;a=b.dependencies_[e];for(e=0;e<a.requires.length;e++)goog.isProvided_(a.requires[e])||d(a.requires[e]);c.push(a)}};d(a);a=!!this.depsToLoad_.length;this.depsToLoad_=this.depsToLoad_.concat(c);this.paused_||a||this.loadDeps_()}else throw a="goog.require could not find: "+a,goog.logToConsole_(a),Error(a);},goog.DebugLoader_.prototype.loadDeps_=function(){for(var a=this,b=this.paused_;this.depsToLoad_.length&&!b;)(function(){var c=!1,d=a.depsToLoad_.shift(),e=!1;
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-function(){this.paused_&&(this.paused_=!1,this.loadDeps_())},goog.DebugLoader_.prototype.loading_=function(a){this.loadingDeps_.push(a)},goog.DebugLoader_.prototype.loaded_=function(a){for(var b=0;b<this.loadingDeps_.length;b++)if(this.loadingDeps_[b]==a){this.loadingDeps_.splice(b,1);break}for(b=0;b<this.deferredQueue_.length;b++)if(this.deferredQueue_[b]==a.path){this.deferredQueue_.splice(b,1);break}if(this.loadingDeps_.length==this.deferredQueue_.length&&!this.depsToLoad_.length)for(;this.deferredQueue_.length;)this.requested(this.deferredQueue_.shift(),
-!0);a.loaded()},goog.DebugLoader_.prototype.areDepsLoaded_=function(a){for(var b=0;b<a.length;b++){var c=this.getPathFromDeps_(a[b]);if(!c||!(c in this.deferredCallbacks_||goog.isProvided_(a[b])))return!1}return!0},goog.DebugLoader_.prototype.getPathFromDeps_=function(a){return a in this.idToPath_?this.idToPath_[a]:a in this.dependencies_?a:null},goog.DebugLoader_.prototype.defer_=function(a,b){this.deferredCallbacks_[a.path]=b;this.deferredQueue_.push(a.path)},goog.LoadController=function(){},goog.LoadController.prototype.pause=
-function(){},goog.LoadController.prototype.resume=function(){},goog.LoadController.prototype.loaded=function(){},goog.LoadController.prototype.pending=function(){},goog.LoadController.prototype.registerEs6ModuleExports=function(a,b,c){},goog.LoadController.prototype.setModuleState=function(a){},goog.LoadController.prototype.clearModuleState=function(){},goog.LoadController.prototype.defer=function(a){},goog.LoadController.prototype.areDepsLoaded=function(){},goog.Dependency=function(a,b,c,d,e){this.path=
-a;this.relativePath=b;this.provides=c;this.requires=d;this.loadFlags=e;this.loaded_=!1;this.loadCallbacks_=[]},goog.Dependency.prototype.onLoad=function(a){this.loaded_?a():this.loadCallbacks_.push(a)},goog.Dependency.prototype.loaded=function(){this.loaded_=!0;var a=this.loadCallbacks_;this.loadCallbacks_=[];for(var b=0;b<a.length;b++)a[b]()},goog.Dependency.defer_=!1,goog.Dependency.callbackMap_={},goog.Dependency.registerCallback_=function(a){var b=Math.random().toString(32);goog.Dependency.callbackMap_[b]=
-a;return b},goog.Dependency.unregisterCallback_=function(a){delete goog.Dependency.callbackMap_[a]},goog.Dependency.callback_=function(a,b){if(a in goog.Dependency.callbackMap_){for(var c=goog.Dependency.callbackMap_[a],d=[],e=1;e<arguments.length;e++)d.push(arguments[e]);c.apply(void 0,d)}else throw Error("Callback key "+a+" does not exist (was base.js loaded more than once?).");},goog.Dependency.prototype.load=function(a){if(goog.global.CLOSURE_IMPORT_SCRIPT)goog.global.CLOSURE_IMPORT_SCRIPT(this.path)?
-a.loaded():a.pause();else if(goog.inHtmlDocument_()){var b=goog.global.document;if("complete"==b.readyState&&!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING){if(/\bdeps.js$/.test(this.path)){a.loaded();return}throw Error('Cannot write "'+this.path+'" after document load');}if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&goog.isDocumentLoading_()){var c=goog.Dependency.registerCallback_(function(b){goog.DebugLoader_.IS_OLD_IE_&&"complete"!=b.readyState||(goog.Dependency.unregisterCallback_(c),a.loaded())}),
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-(a.pause(),e.onreadystatechange=function(){if("loaded"==e.readyState||"complete"==e.readyState)a.loaded(),a.resume()}):e.onload=function(){e.onload=null;a.loaded()};e.src=this.path;b.head.appendChild(e)}}else goog.logToConsole_("Cannot use default debug loader outside of HTML documents."),"deps.js"==this.relativePath?(goog.logToConsole_("Consider setting CLOSURE_IMPORT_SCRIPT before loading base.js, or seting CLOSURE_NO_DEPS to true."),a.loaded()):a.pause()},goog.Es6ModuleDependency=function(a,b,
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-(this.contents_=null,a.loaded()):a.pause();else{var f=this.loadFlags.module==goog.ModuleType.ES6,g=1<a.pending().length,h=g&&goog.DebugLoader_.IS_OLD_IE_;g=goog.Dependency.defer_&&(g||goog.isDocumentLoading_());if(h||g)a.defer(function(){c()});else{var k=goog.global.document;h=goog.inHtmlDocument_()&&"ActiveXObject"in goog.global;if(f&&goog.inHtmlDocument_()&&goog.isDocumentLoading_()&&!h){goog.Dependency.defer_=!0;a.pause();var l=k.onreadystatechange;k.onreadystatechange=function(){"interactive"==
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+a=b?[b]:a.getElementsByTagName("SCRIPT");for(b=a.length-1;0<=b;--b){var c=a[b].src,d=c.lastIndexOf("?");d=-1==d?c.length:d;if("base.js"==c.substr(d-7,7)){goog.basePath=c.substr(0,d-7);break}}}},goog.findBasePath_(),goog.Transpiler=function(){this.requiresTranspilation_=null;this.transpilationTarget_=goog.TRANSPILE_TO_LANGUAGE},goog.Transpiler.prototype.createRequiresTranspilation_=function(){function a(a,b){e?d[a]=!0:b()?(c=a,d[a]=!1):e=d[a]=!0}function b(a){try{return!!eval(a)}catch(h){return!1}}
+var c="es3",d={es3:!1},e=!1,f=goog.global.navigator&&goog.global.navigator.userAgent?goog.global.navigator.userAgent:"";a("es5",function(){return b("[1,].length==1")});a("es6",function(){var a=f.match(/Edge\/(\d+)(\.\d)*/i);return a&&15>Number(a[1])?!1:b('(()=>{"use strict";class X{constructor(){if(new.target!=String)throw 1;this.x=42}}let q=Reflect.construct(X,[],String);if(q.x!=42||!(q instanceof String))throw 1;for(const a of[2,3]){if(a==2)continue;function f(z={a}){let a=0;return z.a}{function f(){return 0;}}return f()==3}})()')});
+a("es6-impl",function(){return!0});a("es7",function(){return b("2 ** 2 == 4")});a("es8",function(){return b("async () => 1, true")});a("es9",function(){return b("({...rest} = {}), true")});a("es_next",function(){return!1});return{target:c,map:d}},goog.Transpiler.prototype.needsTranspile=function(a,b){if("always"==goog.TRANSPILE)return!0;if("never"==goog.TRANSPILE)return!1;if(!this.requiresTranspilation_){var c=this.createRequiresTranspilation_();this.requiresTranspilation_=c.map;this.transpilationTarget_=
+this.transpilationTarget_||c.target}if(a in this.requiresTranspilation_)return this.requiresTranspilation_[a]?!0:!goog.inHtmlDocument_()||"es6"!=b||"noModule"in goog.global.document.createElement("script")?!1:!0;throw Error("Unknown language mode: "+a);},goog.Transpiler.prototype.transpile=function(a,b){return goog.transpile_(a,b,this.transpilationTarget_)},goog.transpiler_=new goog.Transpiler,goog.protectScriptTag_=function(a){return a.replace(/<\/(SCRIPT)/ig,"\\x3c/$1")},goog.DebugLoader_=function(){this.dependencies_=
+{};this.idToPath_={};this.written_={};this.loadingDeps_=[];this.depsToLoad_=[];this.paused_=!1;this.factory_=new goog.DependencyFactory(goog.transpiler_);this.deferredCallbacks_={};this.deferredQueue_=[]},goog.DebugLoader_.prototype.bootstrap=function(a,b){function c(){d&&(goog.global.setTimeout(d,0),d=null)}var d=b;if(a.length){b=[];for(var e=0;e<a.length;e++){var f=this.getPathFromDeps_(a[e]);if(!f)throw Error("Unregonized namespace: "+a[e]);b.push(this.dependencies_[f])}f=goog.require;var g=0;
+for(e=0;e<a.length;e++)f(a[e]),b[e].onLoad(function(){++g==a.length&&c()})}else c()},goog.DebugLoader_.prototype.loadClosureDeps=function(){this.depsToLoad_.push(this.factory_.createDependency(goog.normalizePath_(goog.basePath+"deps.js"),"deps.js",[],[],{},!1));this.loadDeps_()},goog.DebugLoader_.prototype.requested=function(a,b){(a=this.getPathFromDeps_(a))&&(b||this.areDepsLoaded_(this.dependencies_[a].requires))&&(b=this.deferredCallbacks_[a])&&(delete this.deferredCallbacks_[a],b())},goog.DebugLoader_.prototype.setDependencyFactory=
+function(a){this.factory_=a},goog.DebugLoader_.prototype.load_=function(a){if(this.getPathFromDeps_(a)){var b=this,c=[],d=function(a){var e=b.getPathFromDeps_(a);if(!e)throw Error("Bad dependency path or symbol: "+a);if(!b.written_[e]){b.written_[e]=!0;a=b.dependencies_[e];for(e=0;e<a.requires.length;e++)goog.isProvided_(a.requires[e])||d(a.requires[e]);c.push(a)}};d(a);a=!!this.depsToLoad_.length;this.depsToLoad_=this.depsToLoad_.concat(c);this.paused_||a||this.loadDeps_()}else throw a="goog.require could not find: "+
+a,goog.logToConsole_(a),Error(a);},goog.DebugLoader_.prototype.loadDeps_=function(){for(var a=this,b=this.paused_;this.depsToLoad_.length&&!b;)(function(){var c=!1,d=a.depsToLoad_.shift(),e=!1;a.loading_(d);var f={pause:function(){if(c)throw Error("Cannot call pause after the call to load.");b=!0},resume:function(){c?a.resume_():b=!1},loaded:function(){if(e)throw Error("Double call to loaded.");e=!0;a.loaded_(d)},pending:function(){for(var b=[],c=0;c<a.loadingDeps_.length;c++)b.push(a.loadingDeps_[c]);
+return b},setModuleState:function(a){goog.moduleLoaderState_={type:a,moduleName:"",declareLegacyNamespace:!1}},registerEs6ModuleExports:function(a,b,c){c&&(goog.loadedModules_[c]={exports:b,type:goog.ModuleType.ES6,moduleId:c||""})},registerGoogModuleExports:function(a,b){goog.loadedModules_[a]={exports:b,type:goog.ModuleType.GOOG,moduleId:a}},clearModuleState:function(){goog.moduleLoaderState_=null},defer:function(b){if(c)throw Error("Cannot register with defer after the call to load.");a.defer_(d,
+b)},areDepsLoaded:function(){return a.areDepsLoaded_(d.requires)}};try{d.load(f)}finally{c=!0}})();b&&this.pause_()},goog.DebugLoader_.prototype.pause_=function(){this.paused_=!0},goog.DebugLoader_.prototype.resume_=function(){this.paused_&&(this.paused_=!1,this.loadDeps_())},goog.DebugLoader_.prototype.loading_=function(a){this.loadingDeps_.push(a)},goog.DebugLoader_.prototype.loaded_=function(a){for(var b=0;b<this.loadingDeps_.length;b++)if(this.loadingDeps_[b]==a){this.loadingDeps_.splice(b,1);
+break}for(b=0;b<this.deferredQueue_.length;b++)if(this.deferredQueue_[b]==a.path){this.deferredQueue_.splice(b,1);break}if(this.loadingDeps_.length==this.deferredQueue_.length&&!this.depsToLoad_.length)for(;this.deferredQueue_.length;)this.requested(this.deferredQueue_.shift(),!0);a.loaded()},goog.DebugLoader_.prototype.areDepsLoaded_=function(a){for(var b=0;b<a.length;b++){var c=this.getPathFromDeps_(a[b]);if(!c||!(c in this.deferredCallbacks_||goog.isProvided_(a[b])))return!1}return!0},goog.DebugLoader_.prototype.getPathFromDeps_=
+function(a){return a in this.idToPath_?this.idToPath_[a]:a in this.dependencies_?a:null},goog.DebugLoader_.prototype.defer_=function(a,b){this.deferredCallbacks_[a.path]=b;this.deferredQueue_.push(a.path)},goog.LoadController=function(){},goog.LoadController.prototype.pause=function(){},goog.LoadController.prototype.resume=function(){},goog.LoadController.prototype.loaded=function(){},goog.LoadController.prototype.pending=function(){},goog.LoadController.prototype.registerEs6ModuleExports=function(a,
+b,c){},goog.LoadController.prototype.setModuleState=function(a){},goog.LoadController.prototype.clearModuleState=function(){},goog.LoadController.prototype.defer=function(a){},goog.LoadController.prototype.areDepsLoaded=function(){},goog.Dependency=function(a,b,c,d,e){this.path=a;this.relativePath=b;this.provides=c;this.requires=d;this.loadFlags=e;this.loaded_=!1;this.loadCallbacks_=[]},goog.Dependency.prototype.getPathName=function(){var a=this.path,b=a.indexOf("://");0<=b&&(a=a.substring(b+3),b=
+a.indexOf("/"),0<=b&&(a=a.substring(b+1)));return a},goog.Dependency.prototype.onLoad=function(a){this.loaded_?a():this.loadCallbacks_.push(a)},goog.Dependency.prototype.loaded=function(){this.loaded_=!0;var a=this.loadCallbacks_;this.loadCallbacks_=[];for(var b=0;b<a.length;b++)a[b]()},goog.Dependency.defer_=!1,goog.Dependency.callbackMap_={},goog.Dependency.registerCallback_=function(a){var b=Math.random().toString(32);goog.Dependency.callbackMap_[b]=a;return b},goog.Dependency.unregisterCallback_=
+function(a){delete goog.Dependency.callbackMap_[a]},goog.Dependency.callback_=function(a,b){if(a in goog.Dependency.callbackMap_){for(var c=goog.Dependency.callbackMap_[a],d=[],e=1;e<arguments.length;e++)d.push(arguments[e]);c.apply(void 0,d)}else throw Error("Callback key "+a+" does not exist (was base.js loaded more than once?).");},goog.Dependency.prototype.load=function(a){if(goog.global.CLOSURE_IMPORT_SCRIPT)goog.global.CLOSURE_IMPORT_SCRIPT(this.path)?a.loaded():a.pause();else if(goog.inHtmlDocument_()){var b=
+goog.global.document;if("complete"==b.readyState&&!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING){if(/\bdeps.js$/.test(this.path)){a.loaded();return}throw Error('Cannot write "'+this.path+'" after document load');}if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&goog.isDocumentLoading_()){var c=goog.Dependency.registerCallback_(function(b){goog.DebugLoader_.IS_OLD_IE_&&"complete"!=b.readyState||(goog.Dependency.unregisterCallback_(c),a.loaded())}),d=!goog.DebugLoader_.IS_OLD_IE_&&goog.getScriptNonce()?
+' nonce="'+goog.getScriptNonce()+'"':"";b.write('<script src="'+this.path+'" '+(goog.DebugLoader_.IS_OLD_IE_?"onreadystatechange":"onload")+"=\"goog.Dependency.callback_('"+c+'\', this)" type="text/javascript" '+(goog.Dependency.defer_?"defer":"")+d+">\x3c/script>")}else{var e=b.createElement("script");e.defer=goog.Dependency.defer_;e.async=!1;e.type="text/javascript";(d=goog.getScriptNonce())&&e.setAttribute("nonce",d);goog.DebugLoader_.IS_OLD_IE_?(a.pause(),e.onreadystatechange=function(){if("loaded"==
+e.readyState||"complete"==e.readyState)a.loaded(),a.resume()}):e.onload=function(){e.onload=null;a.loaded()};e.src=this.path;b.head.appendChild(e)}}else goog.logToConsole_("Cannot use default debug loader outside of HTML documents."),"deps.js"==this.relativePath?(goog.logToConsole_("Consider setting CLOSURE_IMPORT_SCRIPT before loading base.js, or setting CLOSURE_NO_DEPS to true."),a.loaded()):a.pause()},goog.Es6ModuleDependency=function(a,b,c,d,e){goog.Dependency.call(this,a,b,c,d,e)},goog.inherits(goog.Es6ModuleDependency,
+goog.Dependency),goog.Es6ModuleDependency.prototype.load=function(a){function b(a,b){b?d.write('<script type="module" crossorigin>'+b+"\x3c/script>"):d.write('<script type="module" crossorigin src="'+a+'">\x3c/script>')}function c(a,b){var c=d.createElement("script");c.defer=!0;c.async=!1;c.type="module";c.setAttribute("crossorigin",!0);var e=goog.getScriptNonce();e&&c.setAttribute("nonce",e);b?c.textContent=b:c.src=a;d.head.appendChild(c)}if(goog.global.CLOSURE_IMPORT_SCRIPT)goog.global.CLOSURE_IMPORT_SCRIPT(this.path)?
+a.loaded():a.pause();else if(goog.inHtmlDocument_()){var d=goog.global.document,e=this;if(goog.isDocumentLoading_()){var f=b;goog.Dependency.defer_=!0}else f=c;var g=goog.Dependency.registerCallback_(function(){goog.Dependency.unregisterCallback_(g);a.setModuleState(goog.ModuleType.ES6)});f(void 0,'goog.Dependency.callback_("'+g+'")');f(this.path,void 0);var h=goog.Dependency.registerCallback_(function(b){goog.Dependency.unregisterCallback_(h);a.registerEs6ModuleExports(e.path,b,goog.moduleLoaderState_.moduleName)});
+f(void 0,'import * as m from "'+this.path+'"; goog.Dependency.callback_("'+h+'", m)');var k=goog.Dependency.registerCallback_(function(){goog.Dependency.unregisterCallback_(k);a.clearModuleState();a.loaded()});f(void 0,'goog.Dependency.callback_("'+k+'")')}else goog.logToConsole_("Cannot use default debug loader outside of HTML documents."),a.pause()},goog.TransformedDependency=function(a,b,c,d,e){goog.Dependency.call(this,a,b,c,d,e);this.contents_=null},goog.inherits(goog.TransformedDependency,goog.Dependency),
+goog.TransformedDependency.prototype.load=function(a){function b(){e.contents_=goog.loadFileSync_(e.path);e.contents_&&(e.contents_=e.transform(e.contents_),e.contents_&&(e.contents_+="\n//# sourceURL="+e.path))}function c(){b();if(e.contents_){f&&a.setModuleState(goog.ModuleType.ES6);try{var c=e.contents_;e.contents_=null;goog.globalEval(c);if(f)var d=goog.moduleLoaderState_.moduleName}finally{f&&a.clearModuleState()}f&&goog.global.$jscomp.require.ensure([e.getPathName()],function(){a.registerEs6ModuleExports(e.path,
+goog.global.$jscomp.require(e.getPathName()),d)});a.loaded()}}function d(){var a=goog.global.document,b=goog.Dependency.registerCallback_(function(){goog.Dependency.unregisterCallback_(b);c()});a.write('<script type="text/javascript">'+goog.protectScriptTag_('goog.Dependency.callback_("'+b+'");')+"\x3c/script>")}var e=this;if(goog.global.CLOSURE_IMPORT_SCRIPT)b(),this.contents_&&goog.global.CLOSURE_IMPORT_SCRIPT("",this.contents_)?(this.contents_=null,a.loaded()):a.pause();else{var f=this.loadFlags.module==
+goog.ModuleType.ES6,g=1<a.pending().length,h=g&&goog.DebugLoader_.IS_OLD_IE_;g=goog.Dependency.defer_&&(g||goog.isDocumentLoading_());if(h||g)a.defer(function(){c()});else{var k=goog.global.document;h=goog.inHtmlDocument_()&&"ActiveXObject"in goog.global;if(f&&goog.inHtmlDocument_()&&goog.isDocumentLoading_()&&!h){goog.Dependency.defer_=!0;a.pause();var l=k.onreadystatechange;k.onreadystatechange=function(){"interactive"==k.readyState&&(k.onreadystatechange=l,c(),a.resume());goog.isFunction(l)&&l.apply(void 0,
+arguments)}}else!goog.DebugLoader_.IS_OLD_IE_&&goog.inHtmlDocument_()&&goog.isDocumentLoading_()?d():c()}}},goog.TransformedDependency.prototype.transform=function(a){},goog.TranspiledDependency=function(a,b,c,d,e,f){goog.TransformedDependency.call(this,a,b,c,d,e);this.transpiler=f},goog.inherits(goog.TranspiledDependency,goog.TransformedDependency),goog.TranspiledDependency.prototype.transform=function(a){return this.transpiler.transpile(a,this.getPathName())},goog.GoogModuleDependency=function(a,
+b,c,d,e,f,g){goog.TransformedDependency.call(this,a,b,c,d,e);this.needsTranspile_=f;this.transpiler_=g},goog.inherits(goog.GoogModuleDependency,goog.TransformedDependency),goog.GoogModuleDependency.prototype.transform=function(a){this.needsTranspile_&&(a=this.transpiler_.transpile(a,this.getPathName()));return goog.LOAD_MODULE_USING_EVAL&&goog.isDef(goog.global.JSON)?"goog.loadModule("+goog.global.JSON.stringify(a+"\n//# sourceURL="+this.path+"\n")+");":'goog.loadModule(function(exports) {"use strict";'+
 a+"\n;return exports});\n//# sourceURL="+this.path+"\n"},goog.DebugLoader_.IS_OLD_IE_=!(goog.global.atob||!goog.global.document||!goog.global.document.all),goog.DebugLoader_.prototype.addDependency=function(a,b,c,d){b=b||[];a=a.replace(/\\/g,"/");var e=goog.normalizePath_(goog.basePath+a);d&&"boolean"!==typeof d||(d=d?{module:goog.ModuleType.GOOG}:{});c=this.factory_.createDependency(e,a,b,c,d,goog.transpiler_.needsTranspile(d.lang||"es3",d.module));this.dependencies_[e]=c;for(c=0;c<b.length;c++)this.idToPath_[b[c]]=
 e;this.idToPath_[a]=e},goog.DependencyFactory=function(a){this.transpiler=a},goog.DependencyFactory.prototype.createDependency=function(a,b,c,d,e,f){return e.module==goog.ModuleType.GOOG?new goog.GoogModuleDependency(a,b,c,d,e,f,this.transpiler):f?new goog.TranspiledDependency(a,b,c,d,e,this.transpiler):e.module==goog.ModuleType.ES6?new goog.Es6ModuleDependency(a,b,c,d,e):new goog.Dependency(a,b,c,d,e)},goog.debugLoader_=new goog.DebugLoader_,goog.loadClosureDeps=function(){goog.debugLoader_.loadClosureDeps()},
 goog.setDependencyFactory=function(a){goog.debugLoader_.setDependencyFactory(a)},goog.global.CLOSURE_NO_DEPS||goog.debugLoader_.loadClosureDeps(),goog.bootstrap=function(a,b){goog.debugLoader_.bootstrap(a,b)});goog.debug={};goog.debug.Error=function(a){if(Error.captureStackTrace)Error.captureStackTrace(this,goog.debug.Error);else{var b=Error().stack;b&&(this.stack=b)}a&&(this.message=String(a));this.reportErrorToServer=!0};goog.inherits(goog.debug.Error,Error);goog.debug.Error.prototype.name="CustomError";goog.dom={};goog.dom.NodeType={ELEMENT:1,ATTRIBUTE:2,TEXT:3,CDATA_SECTION:4,ENTITY_REFERENCE:5,ENTITY:6,PROCESSING_INSTRUCTION:7,COMMENT:8,DOCUMENT:9,DOCUMENT_TYPE:10,DOCUMENT_FRAGMENT:11,NOTATION:12};goog.asserts={};goog.asserts.ENABLE_ASSERTS=goog.DEBUG;goog.asserts.AssertionError=function(a,b){goog.debug.Error.call(this,goog.asserts.subs_(a,b));this.messagePattern=a};goog.inherits(goog.asserts.AssertionError,goog.debug.Error);goog.asserts.AssertionError.prototype.name="AssertionError";goog.asserts.DEFAULT_ERROR_HANDLER=function(a){throw a;};goog.asserts.errorHandler_=goog.asserts.DEFAULT_ERROR_HANDLER;
@@ -161,16 +162,17 @@ goog.labs.userAgent.engine.isWebKit=function(){return goog.labs.userAgent.util.m
 goog.labs.userAgent.engine.getVersion=function(){var a=goog.labs.userAgent.util.getUserAgent();if(a){a=goog.labs.userAgent.util.extractVersionTuples(a);var b=goog.labs.userAgent.engine.getEngineTuple_(a);if(b)return"Gecko"==b[0]?goog.labs.userAgent.engine.getVersionForKey_(a,"Firefox"):b[1];a=a[0];var c;if(a&&(c=a[2])&&(c=/Trident\/([^\s;]+)/.exec(c)))return c[1]}return""};
 goog.labs.userAgent.engine.getEngineTuple_=function(a){if(!goog.labs.userAgent.engine.isEdge())return a[1];for(var b=0;b<a.length;b++){var c=a[b];if("Edge"==c[0])return c}};goog.labs.userAgent.engine.isVersionOrHigher=function(a){return 0<=goog.string.compareVersions(goog.labs.userAgent.engine.getVersion(),a)};goog.labs.userAgent.engine.getVersionForKey_=function(a,b){return(a=goog.array.find(a,function(a){return b==a[0]}))&&a[1]||""};goog.labs.userAgent.platform={};goog.labs.userAgent.platform.isAndroid=function(){return goog.labs.userAgent.util.matchUserAgent("Android")};goog.labs.userAgent.platform.isIpod=function(){return goog.labs.userAgent.util.matchUserAgent("iPod")};goog.labs.userAgent.platform.isIphone=function(){return goog.labs.userAgent.util.matchUserAgent("iPhone")&&!goog.labs.userAgent.util.matchUserAgent("iPod")&&!goog.labs.userAgent.util.matchUserAgent("iPad")};goog.labs.userAgent.platform.isIpad=function(){return goog.labs.userAgent.util.matchUserAgent("iPad")};
 goog.labs.userAgent.platform.isIos=function(){return goog.labs.userAgent.platform.isIphone()||goog.labs.userAgent.platform.isIpad()||goog.labs.userAgent.platform.isIpod()};goog.labs.userAgent.platform.isMacintosh=function(){return goog.labs.userAgent.util.matchUserAgent("Macintosh")};goog.labs.userAgent.platform.isLinux=function(){return goog.labs.userAgent.util.matchUserAgent("Linux")};goog.labs.userAgent.platform.isWindows=function(){return goog.labs.userAgent.util.matchUserAgent("Windows")};
-goog.labs.userAgent.platform.isChromeOS=function(){return goog.labs.userAgent.util.matchUserAgent("CrOS")};goog.labs.userAgent.platform.isChromecast=function(){return goog.labs.userAgent.util.matchUserAgent("CrKey")};
+goog.labs.userAgent.platform.isChromeOS=function(){return goog.labs.userAgent.util.matchUserAgent("CrOS")};goog.labs.userAgent.platform.isChromecast=function(){return goog.labs.userAgent.util.matchUserAgent("CrKey")};goog.labs.userAgent.platform.isKaiOS=function(){return goog.labs.userAgent.util.matchUserAgentIgnoreCase("KaiOS")};
 goog.labs.userAgent.platform.getVersion=function(){var a=goog.labs.userAgent.util.getUserAgent(),b="";goog.labs.userAgent.platform.isWindows()?(b=/Windows (?:NT|Phone) ([0-9.]+)/,b=(a=b.exec(a))?a[1]:"0.0"):goog.labs.userAgent.platform.isIos()?(b=/(?:iPhone|iPod|iPad|CPU)\s+OS\s+(\S+)/,b=(a=b.exec(a))&&a[1].replace(/_/g,".")):goog.labs.userAgent.platform.isMacintosh()?(b=/Mac OS X ([0-9_.]+)/,b=(a=b.exec(a))?a[1].replace(/_/g,"."):"10"):goog.labs.userAgent.platform.isAndroid()?(b=/Android\s+([^\);]+)(\)|;)/,
 b=(a=b.exec(a))&&a[1]):goog.labs.userAgent.platform.isChromeOS()&&(b=/(?:CrOS\s+(?:i686|x86_64)\s+([0-9.]+))/,b=(a=b.exec(a))&&a[1]);return b||""};goog.labs.userAgent.platform.isVersionOrHigher=function(a){return 0<=goog.string.compareVersions(goog.labs.userAgent.platform.getVersion(),a)};goog.reflect={};goog.reflect.object=function(a,b){return b};goog.reflect.objectProperty=function(a,b){return a};goog.reflect.sinkValue=function(a){goog.reflect.sinkValue[" "](a);return a};goog.reflect.sinkValue[" "]=goog.nullFunction;goog.reflect.canAccessProperty=function(a,b){try{return goog.reflect.sinkValue(a[b]),!0}catch(c){}return!1};goog.reflect.cache=function(a,b,c,d){d=d?d(b):b;return Object.prototype.hasOwnProperty.call(a,d)?a[d]:a[d]=c(b)};goog.userAgent={};goog.userAgent.ASSUME_IE=!1;goog.userAgent.ASSUME_EDGE=!1;goog.userAgent.ASSUME_GECKO=!1;goog.userAgent.ASSUME_WEBKIT=!1;goog.userAgent.ASSUME_MOBILE_WEBKIT=!1;goog.userAgent.ASSUME_OPERA=!1;goog.userAgent.ASSUME_ANY_VERSION=!1;goog.userAgent.BROWSER_KNOWN_=goog.userAgent.ASSUME_IE||goog.userAgent.ASSUME_EDGE||goog.userAgent.ASSUME_GECKO||goog.userAgent.ASSUME_MOBILE_WEBKIT||goog.userAgent.ASSUME_WEBKIT||goog.userAgent.ASSUME_OPERA;goog.userAgent.getUserAgentString=function(){return goog.labs.userAgent.util.getUserAgent()};
 goog.userAgent.getNavigatorTyped=function(){return goog.global.navigator||null};goog.userAgent.getNavigator=function(){return goog.userAgent.getNavigatorTyped()};goog.userAgent.OPERA=goog.userAgent.BROWSER_KNOWN_?goog.userAgent.ASSUME_OPERA:goog.labs.userAgent.browser.isOpera();goog.userAgent.IE=goog.userAgent.BROWSER_KNOWN_?goog.userAgent.ASSUME_IE:goog.labs.userAgent.browser.isIE();goog.userAgent.EDGE=goog.userAgent.BROWSER_KNOWN_?goog.userAgent.ASSUME_EDGE:goog.labs.userAgent.engine.isEdge();
 goog.userAgent.EDGE_OR_IE=goog.userAgent.EDGE||goog.userAgent.IE;goog.userAgent.GECKO=goog.userAgent.BROWSER_KNOWN_?goog.userAgent.ASSUME_GECKO:goog.labs.userAgent.engine.isGecko();goog.userAgent.WEBKIT=goog.userAgent.BROWSER_KNOWN_?goog.userAgent.ASSUME_WEBKIT||goog.userAgent.ASSUME_MOBILE_WEBKIT:goog.labs.userAgent.engine.isWebKit();goog.userAgent.isMobile_=function(){return goog.userAgent.WEBKIT&&goog.labs.userAgent.util.matchUserAgent("Mobile")};
 goog.userAgent.MOBILE=goog.userAgent.ASSUME_MOBILE_WEBKIT||goog.userAgent.isMobile_();goog.userAgent.SAFARI=goog.userAgent.WEBKIT;goog.userAgent.determinePlatform_=function(){var a=goog.userAgent.getNavigatorTyped();return a&&a.platform||""};goog.userAgent.PLATFORM=goog.userAgent.determinePlatform_();goog.userAgent.ASSUME_MAC=!1;goog.userAgent.ASSUME_WINDOWS=!1;goog.userAgent.ASSUME_LINUX=!1;goog.userAgent.ASSUME_X11=!1;goog.userAgent.ASSUME_ANDROID=!1;goog.userAgent.ASSUME_IPHONE=!1;
-goog.userAgent.ASSUME_IPAD=!1;goog.userAgent.ASSUME_IPOD=!1;goog.userAgent.PLATFORM_KNOWN_=goog.userAgent.ASSUME_MAC||goog.userAgent.ASSUME_WINDOWS||goog.userAgent.ASSUME_LINUX||goog.userAgent.ASSUME_X11||goog.userAgent.ASSUME_ANDROID||goog.userAgent.ASSUME_IPHONE||goog.userAgent.ASSUME_IPAD||goog.userAgent.ASSUME_IPOD;goog.userAgent.MAC=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_MAC:goog.labs.userAgent.platform.isMacintosh();
+goog.userAgent.ASSUME_IPAD=!1;goog.userAgent.ASSUME_IPOD=!1;goog.userAgent.ASSUME_KAIOS=!1;goog.userAgent.PLATFORM_KNOWN_=goog.userAgent.ASSUME_MAC||goog.userAgent.ASSUME_WINDOWS||goog.userAgent.ASSUME_LINUX||goog.userAgent.ASSUME_X11||goog.userAgent.ASSUME_ANDROID||goog.userAgent.ASSUME_IPHONE||goog.userAgent.ASSUME_IPAD||goog.userAgent.ASSUME_IPOD;goog.userAgent.MAC=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_MAC:goog.labs.userAgent.platform.isMacintosh();
 goog.userAgent.WINDOWS=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_WINDOWS:goog.labs.userAgent.platform.isWindows();goog.userAgent.isLegacyLinux_=function(){return goog.labs.userAgent.platform.isLinux()||goog.labs.userAgent.platform.isChromeOS()};goog.userAgent.LINUX=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_LINUX:goog.userAgent.isLegacyLinux_();goog.userAgent.isX11_=function(){var a=goog.userAgent.getNavigatorTyped();return!!a&&goog.string.contains(a.appVersion||"","X11")};
 goog.userAgent.X11=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_X11:goog.userAgent.isX11_();goog.userAgent.ANDROID=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_ANDROID:goog.labs.userAgent.platform.isAndroid();goog.userAgent.IPHONE=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPHONE:goog.labs.userAgent.platform.isIphone();goog.userAgent.IPAD=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPAD:goog.labs.userAgent.platform.isIpad();
-goog.userAgent.IPOD=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPOD:goog.labs.userAgent.platform.isIpod();goog.userAgent.IOS=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPHONE||goog.userAgent.ASSUME_IPAD||goog.userAgent.ASSUME_IPOD:goog.labs.userAgent.platform.isIos();goog.userAgent.determineVersion_=function(){var a="",b=goog.userAgent.getVersionRegexResult_();b&&(a=b?b[1]:"");return goog.userAgent.IE&&(b=goog.userAgent.getDocumentMode_(),null!=b&&b>parseFloat(a))?String(b):a};
+goog.userAgent.IPOD=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPOD:goog.labs.userAgent.platform.isIpod();goog.userAgent.IOS=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_IPHONE||goog.userAgent.ASSUME_IPAD||goog.userAgent.ASSUME_IPOD:goog.labs.userAgent.platform.isIos();goog.userAgent.KAIOS=goog.userAgent.PLATFORM_KNOWN_?goog.userAgent.ASSUME_KAIOS:goog.labs.userAgent.platform.isKaiOS();
+goog.userAgent.determineVersion_=function(){var a="",b=goog.userAgent.getVersionRegexResult_();b&&(a=b?b[1]:"");return goog.userAgent.IE&&(b=goog.userAgent.getDocumentMode_(),null!=b&&b>parseFloat(a))?String(b):a};
 goog.userAgent.getVersionRegexResult_=function(){var a=goog.userAgent.getUserAgentString();if(goog.userAgent.GECKO)return/rv:([^\);]+)(\)|;)/.exec(a);if(goog.userAgent.EDGE)return/Edge\/([\d\.]+)/.exec(a);if(goog.userAgent.IE)return/\b(?:MSIE|rv)[: ]([^\);]+)(\)|;)/.exec(a);if(goog.userAgent.WEBKIT)return/WebKit\/(\S+)/.exec(a);if(goog.userAgent.OPERA)return/(?:Version)[ \/]?(\S+)/.exec(a)};goog.userAgent.getDocumentMode_=function(){var a=goog.global.document;return a?a.documentMode:void 0};
 goog.userAgent.VERSION=goog.userAgent.determineVersion_();goog.userAgent.compare=function(a,b){return goog.string.compareVersions(a,b)};goog.userAgent.isVersionOrHigherCache_={};goog.userAgent.isVersionOrHigher=function(a){return goog.userAgent.ASSUME_ANY_VERSION||goog.reflect.cache(goog.userAgent.isVersionOrHigherCache_,a,function(){return 0<=goog.string.compareVersions(goog.userAgent.VERSION,a)})};goog.userAgent.isVersion=goog.userAgent.isVersionOrHigher;
 goog.userAgent.isDocumentModeOrHigher=function(a){return Number(goog.userAgent.DOCUMENT_MODE)>=a};goog.userAgent.isDocumentMode=goog.userAgent.isDocumentModeOrHigher;goog.userAgent.DOCUMENT_MODE=function(){var a=goog.global.document,b=goog.userAgent.getDocumentMode_();if(a&&goog.userAgent.IE)return b||("CSS1Compat"==a.compatMode?parseInt(goog.userAgent.VERSION,10):5)}();goog.dom.BrowserFeature={CAN_ADD_NAME_OR_TYPE_ATTRIBUTES:!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9),CAN_USE_CHILDREN_ATTRIBUTE:!goog.userAgent.GECKO&&!goog.userAgent.IE||goog.userAgent.IE&&goog.userAgent.isDocumentModeOrHigher(9)||goog.userAgent.GECKO&&goog.userAgent.isVersionOrHigher("1.9.1"),CAN_USE_INNER_TEXT:goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("9"),CAN_USE_PARENT_ELEMENT_PROPERTY:goog.userAgent.IE||goog.userAgent.OPERA||goog.userAgent.WEBKIT,INNER_HTML_NEEDS_SCOPED_ELEMENT:goog.userAgent.IE,
@@ -190,11 +192,16 @@ goog.dom.TagName.TEMPLATE=new goog.dom.TagName("TEMPLATE");goog.dom.TagName.TEXT
 goog.dom.TagName.U=new goog.dom.TagName("U");goog.dom.TagName.UL=new goog.dom.TagName("UL");goog.dom.TagName.VAR=new goog.dom.TagName("VAR");goog.dom.TagName.VIDEO=new goog.dom.TagName("VIDEO");goog.dom.TagName.WBR=new goog.dom.TagName("WBR");goog.dom.asserts={};goog.dom.asserts.assertIsLocation=function(a){if(goog.asserts.ENABLE_ASSERTS){var b=goog.dom.asserts.getWindow_(a);"undefined"!=typeof b.Location&&"undefined"!=typeof b.Element&&goog.asserts.assert(a&&(a instanceof b.Location||!(a instanceof b.Element)),"Argument is not a Location (or a non-Element mock); got: %s",goog.dom.asserts.debugStringForType_(a))}return a};
 goog.dom.asserts.assertIsElementType_=function(a,b){if(goog.asserts.ENABLE_ASSERTS){var c=goog.dom.asserts.getWindow_(a);"undefined"!=typeof c[b]&&"undefined"!=typeof c.Location&&"undefined"!=typeof c.Element&&goog.asserts.assert(a&&(a instanceof c[b]||!(a instanceof c.Location||a instanceof c.Element)),"Argument is not a %s (or a non-Element, non-Location mock); got: %s",b,goog.dom.asserts.debugStringForType_(a))}return a};
 goog.dom.asserts.assertIsHTMLAnchorElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLAnchorElement")};goog.dom.asserts.assertIsHTMLButtonElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLButtonElement")};goog.dom.asserts.assertIsHTMLLinkElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLLinkElement")};goog.dom.asserts.assertIsHTMLImageElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLImageElement")};
-goog.dom.asserts.assertIsHTMLVideoElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLVideoElement")};goog.dom.asserts.assertIsHTMLInputElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLInputElement")};goog.dom.asserts.assertIsHTMLEmbedElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLEmbedElement")};goog.dom.asserts.assertIsHTMLFormElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFormElement")};
-goog.dom.asserts.assertIsHTMLFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFrameElement")};goog.dom.asserts.assertIsHTMLIFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLIFrameElement")};goog.dom.asserts.assertIsHTMLObjectElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLObjectElement")};goog.dom.asserts.assertIsHTMLScriptElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLScriptElement")};
-goog.dom.asserts.debugStringForType_=function(a){return goog.isObject(a)?a.constructor.displayName||a.constructor.name||Object.prototype.toString.call(a):void 0===a?"undefined":null===a?"null":typeof a};goog.dom.asserts.getWindow_=function(a){return(a=a&&a.ownerDocument)&&(a.defaultView||a.parentWindow)||goog.global};goog.dom.tags={};goog.dom.tags.VOID_TAGS_={area:!0,base:!0,br:!0,col:!0,command:!0,embed:!0,hr:!0,img:!0,input:!0,keygen:!0,link:!0,meta:!0,param:!0,source:!0,track:!0,wbr:!0};goog.dom.tags.isVoidTag=function(a){return!0===goog.dom.tags.VOID_TAGS_[a]};goog.string.TypedString=function(){};goog.string.Const=function(){this.stringConstValueWithSecurityContract__googStringSecurityPrivate_="";this.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_=goog.string.Const.TYPE_MARKER_};goog.string.Const.prototype.implementsGoogStringTypedString=!0;goog.string.Const.prototype.getTypedStringValue=function(){return this.stringConstValueWithSecurityContract__googStringSecurityPrivate_};
+goog.dom.asserts.assertIsHTMLAudioElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLAudioElement")};goog.dom.asserts.assertIsHTMLVideoElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLVideoElement")};goog.dom.asserts.assertIsHTMLInputElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLInputElement")};goog.dom.asserts.assertIsHTMLEmbedElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLEmbedElement")};
+goog.dom.asserts.assertIsHTMLFormElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFormElement")};goog.dom.asserts.assertIsHTMLFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFrameElement")};goog.dom.asserts.assertIsHTMLIFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLIFrameElement")};goog.dom.asserts.assertIsHTMLObjectElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLObjectElement")};
+goog.dom.asserts.assertIsHTMLScriptElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLScriptElement")};goog.dom.asserts.debugStringForType_=function(a){return goog.isObject(a)?a.constructor.displayName||a.constructor.name||Object.prototype.toString.call(a):void 0===a?"undefined":null===a?"null":typeof a};goog.dom.asserts.getWindow_=function(a){return(a=a&&a.ownerDocument)&&(a.defaultView||a.parentWindow)||goog.global};goog.functions={};goog.functions.constant=function(a){return function(){return a}};goog.functions.FALSE=goog.functions.constant(!1);goog.functions.TRUE=goog.functions.constant(!0);goog.functions.NULL=goog.functions.constant(null);goog.functions.identity=function(a,b){return a};goog.functions.error=function(a){return function(){throw Error(a);}};goog.functions.fail=function(a){return function(){throw a;}};
+goog.functions.lock=function(a,b){b=b||0;return function(){return a.apply(this,Array.prototype.slice.call(arguments,0,b))}};goog.functions.nth=function(a){return function(){return arguments[a]}};goog.functions.partialRight=function(a,b){var c=Array.prototype.slice.call(arguments,1);return function(){var b=Array.prototype.slice.call(arguments);b.push.apply(b,c);return a.apply(this,b)}};goog.functions.withReturnValue=function(a,b){return goog.functions.sequence(a,goog.functions.constant(b))};
+goog.functions.equalTo=function(a,b){return function(c){return b?a==c:a===c}};goog.functions.compose=function(a,b){var c=arguments,d=c.length;return function(){var a;d&&(a=c[d-1].apply(this,arguments));for(var b=d-2;0<=b;b--)a=c[b].call(this,a);return a}};goog.functions.sequence=function(a){var b=arguments,c=b.length;return function(){for(var a,e=0;e<c;e++)a=b[e].apply(this,arguments);return a}};
+goog.functions.and=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(!b[a].apply(this,arguments))return!1;return!0}};goog.functions.or=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(b[a].apply(this,arguments))return!0;return!1}};goog.functions.not=function(a){return function(){return!a.apply(this,arguments)}};
+goog.functions.create=function(a,b){var c=function(){};c.prototype=a.prototype;c=new c;a.apply(c,Array.prototype.slice.call(arguments,1));return c};goog.functions.CACHE_RETURN_VALUE=!0;goog.functions.cacheReturnValue=function(a){var b=!1,c;return function(){if(!goog.functions.CACHE_RETURN_VALUE)return a();b||(c=a(),b=!0);return c}};goog.functions.once=function(a){var b=a;return function(){if(b){var a=b;b=null;a()}}};
+goog.functions.debounce=function(a,b,c){var d=0;return function(e){goog.global.clearTimeout(d);var f=arguments;d=goog.global.setTimeout(function(){a.apply(c,f)},b)}};goog.functions.throttle=function(a,b,c){var d=0,e=!1,f=[],g=function(){d=0;e&&(e=!1,h())},h=function(){d=goog.global.setTimeout(g,b);a.apply(c,f)};return function(a){f=arguments;d?e=!0:h()}};goog.functions.rateLimit=function(a,b,c){var d=0,e=function(){d=0};return function(f){d||(d=goog.global.setTimeout(e,b),a.apply(c,arguments))}};goog.dom.tags={};goog.dom.tags.VOID_TAGS_={area:!0,base:!0,br:!0,col:!0,command:!0,embed:!0,hr:!0,img:!0,input:!0,keygen:!0,link:!0,meta:!0,param:!0,source:!0,track:!0,wbr:!0};goog.dom.tags.isVoidTag=function(a){return!0===goog.dom.tags.VOID_TAGS_[a]};goog.string.TypedString=function(){};goog.string.Const=function(a,b){this.stringConstValueWithSecurityContract__googStringSecurityPrivate_=a===goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_&&b||"";this.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_=goog.string.Const.TYPE_MARKER_};goog.string.Const.prototype.implementsGoogStringTypedString=!0;goog.string.Const.prototype.getTypedStringValue=function(){return this.stringConstValueWithSecurityContract__googStringSecurityPrivate_};
 goog.string.Const.prototype.toString=function(){return"Const{"+this.stringConstValueWithSecurityContract__googStringSecurityPrivate_+"}"};goog.string.Const.unwrap=function(a){if(a instanceof goog.string.Const&&a.constructor===goog.string.Const&&a.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_===goog.string.Const.TYPE_MARKER_)return a.stringConstValueWithSecurityContract__googStringSecurityPrivate_;goog.asserts.fail("expected object of type Const, got '"+a+"'");return"type_error:Const"};
-goog.string.Const.from=function(a){return goog.string.Const.create__googStringSecurityPrivate_(a)};goog.string.Const.TYPE_MARKER_={};goog.string.Const.create__googStringSecurityPrivate_=function(a){var b=new goog.string.Const;b.stringConstValueWithSecurityContract__googStringSecurityPrivate_=a;return b};goog.string.Const.EMPTY=goog.string.Const.from("");goog.html={};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
+goog.string.Const.from=function(a){return new goog.string.Const(goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_,a)};goog.string.Const.TYPE_MARKER_={};goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_={};goog.string.Const.EMPTY=goog.string.Const.from("");goog.html={};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
 goog.html.SafeScript.fromConstantAndArgs=function(a,b){for(var c=[],d=1;d<arguments.length;d++)c.push(goog.html.SafeScript.stringify_(arguments[d]));return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse("("+goog.string.Const.unwrap(a)+")("+c.join(", ")+");")};goog.html.SafeScript.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeScriptWrappedValue_};
 goog.DEBUG&&(goog.html.SafeScript.prototype.toString=function(){return"SafeScript{"+this.privateDoNotAccessOrElseSafeScriptWrappedValue_+"}"});
 goog.html.SafeScript.unwrap=function(a){if(a instanceof goog.html.SafeScript&&a.constructor===goog.html.SafeScript&&a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeScriptWrappedValue_;goog.asserts.fail("expected object of type SafeScript, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeScript"};goog.html.SafeScript.stringify_=function(a){return JSON.stringify(a).replace(/</g,"\\x3c")};
@@ -225,10 +232,12 @@ encodeURIComponent(String(a))});return goog.html.TrustedResourceUrl.createTruste
 goog.html.TrustedResourceUrl.fromConstants=function(a){for(var b="",c=0;c<a.length;c++)b+=goog.string.Const.unwrap(a[c]);return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(b)};goog.html.TrustedResourceUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse=function(a){var b=new goog.html.TrustedResourceUrl;b.privateDoNotAccessOrElseTrustedResourceUrlWrappedValue_=a;return b};goog.html.SafeUrl=function(){this.privateDoNotAccessOrElseSafeHtmlWrappedValue_="";this.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeUrl.INNOCUOUS_STRING="about:invalid#zClosurez";goog.html.SafeUrl.prototype.implementsGoogStringTypedString=!0;goog.html.SafeUrl.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_};
 goog.html.SafeUrl.prototype.implementsGoogI18nBidiDirectionalString=!0;goog.html.SafeUrl.prototype.getDirection=function(){return goog.i18n.bidi.Dir.LTR};goog.DEBUG&&(goog.html.SafeUrl.prototype.toString=function(){return"SafeUrl{"+this.privateDoNotAccessOrElseSafeHtmlWrappedValue_+"}"});
 goog.html.SafeUrl.unwrap=function(a){if(a instanceof goog.html.SafeUrl&&a.constructor===goog.html.SafeUrl&&a.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;goog.asserts.fail("expected object of type SafeUrl, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeUrl"};goog.html.SafeUrl.fromConstant=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a))};
-goog.html.SAFE_MIME_TYPE_PATTERN_=/^(?:audio\/(?:3gpp|3gpp2|aac|midi|mp4|mpeg|ogg|x-m4a|x-wav|webm)|image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|text\/csv|video\/(?:mpeg|mp4|ogg|webm|quicktime))$/i;goog.html.SafeUrl.fromBlob=function(a){a=goog.html.SAFE_MIME_TYPE_PATTERN_.test(a.type)?goog.fs.url.createObjectUrl(a):goog.html.SafeUrl.INNOCUOUS_STRING;return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.DATA_URL_PATTERN_=/^data:([^;,]*);base64,[a-z0-9+\/]+=*$/i;
-goog.html.SafeUrl.fromDataUrl=function(a){var b=a.match(goog.html.DATA_URL_PATTERN_);b=b&&goog.html.SAFE_MIME_TYPE_PATTERN_.test(b[1]);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b?a:goog.html.SafeUrl.INNOCUOUS_STRING)};goog.html.SafeUrl.fromTelUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"tel:")||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.fromTrustedResourceUrl=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.html.TrustedResourceUrl.unwrap(a))};
-goog.html.SAFE_URL_PATTERN_=/^(?:(?:https?|mailto|ftp):|[^:/?#]*(?:[/?#]|$))/i;goog.html.SafeUrl.sanitize=function(a){if(a instanceof goog.html.SafeUrl)return a;a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.html.SAFE_URL_PATTERN_.test(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
-goog.html.SafeUrl.sanitizeAssertUnchanged=function(a){if(a instanceof goog.html.SafeUrl)return a;a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.asserts.assert(goog.html.SAFE_URL_PATTERN_.test(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
+goog.html.SAFE_MIME_TYPE_PATTERN_=/^(?:audio\/(?:3gpp2|3gpp|aac|midi|mp3|mp4|mpeg|oga|ogg|opus|x-m4a|x-wav|wav|webm)|image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|text\/csv|video\/(?:mpeg|mp4|ogg|webm|quicktime))$/i;goog.html.SafeUrl.fromBlob=function(a){a=goog.html.SAFE_MIME_TYPE_PATTERN_.test(a.type)?goog.fs.url.createObjectUrl(a):goog.html.SafeUrl.INNOCUOUS_STRING;return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.DATA_URL_PATTERN_=/^data:([^;,]*);base64,[a-z0-9+\/]+=*$/i;
+goog.html.SafeUrl.fromDataUrl=function(a){var b=a.match(goog.html.DATA_URL_PATTERN_);b=b&&goog.html.SAFE_MIME_TYPE_PATTERN_.test(b[1]);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b?a:goog.html.SafeUrl.INNOCUOUS_STRING)};goog.html.SafeUrl.fromTelUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"tel:")||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SIP_URL_PATTERN_=/^sip[s]?:[+a-z0-9_.!$%&'*\/=^`{|}~-]+@([a-z0-9-]+\.)+[a-z0-9]{2,63}$/i;
+goog.html.SafeUrl.fromSipUrl=function(a){goog.html.SIP_URL_PATTERN_.test(decodeURIComponent(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.fromSmsUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"sms:")&&goog.html.SafeUrl.isSmsUrlBodyValid_(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
+goog.html.SafeUrl.isSmsUrlBodyValid_=function(a){var b=a.match(/[?&]body=/gi);if(!b)return!0;if(1<b.length)return!1;a=a.match(/[?&]body=([^&]+)/)[1];if(!a)return!0;try{return goog.string.urlEncode(a)===a||goog.string.urlDecode(a)!==a}catch(c){return!1}};goog.html.SafeUrl.fromTrustedResourceUrl=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.html.TrustedResourceUrl.unwrap(a))};goog.html.SAFE_URL_PATTERN_=/^(?:(?:https?|mailto|ftp):|[^:/?#]*(?:[/?#]|$))/i;
+goog.html.SafeUrl.sanitize=function(a){if(a instanceof goog.html.SafeUrl)return a;a="object"==typeof a&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.html.SAFE_URL_PATTERN_.test(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
+goog.html.SafeUrl.sanitizeAssertUnchanged=function(a){if(a instanceof goog.html.SafeUrl)return a;a="object"==typeof a&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.asserts.assert(goog.html.SAFE_URL_PATTERN_.test(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse=function(a){var b=new goog.html.SafeUrl;b.privateDoNotAccessOrElseSafeHtmlWrappedValue_=a;return b};goog.html.SafeUrl.ABOUT_BLANK=goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse("about:blank");goog.html.SafeStyle=function(){this.privateDoNotAccessOrElseSafeStyleWrappedValue_="";this.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeStyle.prototype.implementsGoogStringTypedString=!0;goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeStyle.fromConstant=function(a){a=goog.string.Const.unwrap(a);if(0===a.length)return goog.html.SafeStyle.EMPTY;goog.html.SafeStyle.checkStyle_(a);goog.asserts.assert(goog.string.endsWith(a,";"),"Last character of style string is not ';': "+a);goog.asserts.assert(goog.string.contains(a,":"),"Style string must contain at least one ':', to specify a \"name: value\" pair: "+a);return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(a)};
 goog.html.SafeStyle.checkStyle_=function(a){goog.asserts.assert(!/[<>]/.test(a),"Forbidden characters in style string: "+a)};goog.html.SafeStyle.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeStyleWrappedValue_};goog.DEBUG&&(goog.html.SafeStyle.prototype.toString=function(){return"SafeStyle{"+this.privateDoNotAccessOrElseSafeStyleWrappedValue_+"}"});
@@ -236,8 +245,10 @@ goog.html.SafeStyle.unwrap=function(a){if(a instanceof goog.html.SafeStyle&&a.co
 goog.html.SafeStyle.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeStyleWrappedValue_=a;return this};goog.html.SafeStyle.EMPTY=goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse("");goog.html.SafeStyle.INNOCUOUS_STRING="zClosurez";
 goog.html.SafeStyle.create=function(a){var b="",c;for(c in a){if(!/^[-_a-zA-Z0-9]+$/.test(c))throw Error("Name allows only [-_a-zA-Z0-9], got: "+c);var d=a[c];null!=d&&(d=goog.isArray(d)?goog.array.map(d,goog.html.SafeStyle.sanitizePropertyValue_).join(" "):goog.html.SafeStyle.sanitizePropertyValue_(d),b+=c+":"+d+";")}if(!b)return goog.html.SafeStyle.EMPTY;goog.html.SafeStyle.checkStyle_(b);return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)};
 goog.html.SafeStyle.sanitizePropertyValue_=function(a){if(a instanceof goog.html.SafeUrl)return'url("'+goog.html.SafeUrl.unwrap(a).replace(/</g,"%3c").replace(/[\\"]/g,"\\$&")+'")';a=a instanceof goog.string.Const?goog.string.Const.unwrap(a):goog.html.SafeStyle.sanitizePropertyValueString_(String(a));goog.asserts.assert(!/[{;}]/.test(a),"Value does not allow [{;}].");return a};
-goog.html.SafeStyle.sanitizePropertyValueString_=function(a){var b=a.replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.URL_RE_,"url");return goog.html.SafeStyle.VALUE_RE_.test(b)?goog.html.SafeStyle.hasBalancedQuotes_(a)?goog.html.SafeStyle.sanitizeUrl_(a):(goog.asserts.fail("String value requires balanced quotes, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING):(goog.asserts.fail("String value allows only "+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+" and simple functions, got: "+
-a),goog.html.SafeStyle.INNOCUOUS_STRING)};goog.html.SafeStyle.hasBalancedQuotes_=function(a){for(var b=!0,c=!0,d=0;d<a.length;d++){var e=a.charAt(d);"'"==e&&c?b=!b:'"'==e&&b&&(c=!c)}return b&&c};goog.html.SafeStyle.VALUE_ALLOWED_CHARS_="[-,.\"'%_!# a-zA-Z0-9]";goog.html.SafeStyle.VALUE_RE_=new RegExp("^"+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+"+$");goog.html.SafeStyle.URL_RE_=/\b(url\([ \t\n]*)('[ -&(-\[\]-~]*'|"[ !#-\[\]-~]*"|[!#-&*-\[\]-~]*)([ \t\n]*\))/g;goog.html.SafeStyle.FUNCTIONS_RE_=/\b(hsl|hsla|rgb|rgba|matrix|(rotate|scale|translate)(X|Y|Z|3d)?)\([-0-9a-z.%, ]+\)/g;
+goog.html.SafeStyle.sanitizePropertyValueString_=function(a){var b=a.replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.URL_RE_,"url");if(goog.html.SafeStyle.VALUE_RE_.test(b)){if(goog.html.SafeStyle.COMMENT_RE_.test(a))return goog.asserts.fail("String value disallows comments, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING;if(!goog.html.SafeStyle.hasBalancedQuotes_(a))return goog.asserts.fail("String value requires balanced quotes, got: "+
+a),goog.html.SafeStyle.INNOCUOUS_STRING;if(!goog.html.SafeStyle.hasBalancedSquareBrackets_(a))return goog.asserts.fail("String value requires balanced square brackets and one identifier per pair of brackets, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING}else return goog.asserts.fail("String value allows only "+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+" and simple functions, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING;return goog.html.SafeStyle.sanitizeUrl_(a)};
+goog.html.SafeStyle.hasBalancedQuotes_=function(a){for(var b=!0,c=!0,d=0;d<a.length;d++){var e=a.charAt(d);"'"==e&&c?b=!b:'"'==e&&b&&(c=!c)}return b&&c};goog.html.SafeStyle.hasBalancedSquareBrackets_=function(a){for(var b=!0,c=/^[-_a-zA-Z0-9]$/,d=0;d<a.length;d++){var e=a.charAt(d);if("]"==e){if(b)return!1;b=!0}else if("["==e){if(!b)return!1;b=!1}else if(!b&&!c.test(e))return!1}return b};goog.html.SafeStyle.VALUE_ALLOWED_CHARS_="[-,.\"'%_!# a-zA-Z0-9\\[\\]]";
+goog.html.SafeStyle.VALUE_RE_=new RegExp("^"+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+"+$");goog.html.SafeStyle.URL_RE_=/\b(url\([ \t\n]*)('[ -&(-\[\]-~]*'|"[ !#-\[\]-~]*"|[!#-&*-\[\]-~]*)([ \t\n]*\))/g;goog.html.SafeStyle.FUNCTIONS_RE_=/\b(hsl|hsla|rgb|rgba|matrix|calc|minmax|fit-content|repeat|(rotate|scale|translate)(X|Y|Z|3d)?)\([-+*/0-9a-z.%\[\], ]+\)/g;goog.html.SafeStyle.COMMENT_RE_=/\/\*/;
 goog.html.SafeStyle.sanitizeUrl_=function(a){return a.replace(goog.html.SafeStyle.URL_RE_,function(a,c,d,e){var b="";d=d.replace(/^(['"])(.*)\1$/,function(a,c,d){b=c;return d});a=goog.html.SafeUrl.sanitize(d).getTypedStringValue();return c+b+a+b+e})};goog.html.SafeStyle.concat=function(a){var b="",c=function(a){goog.isArray(a)?goog.array.forEach(a,c):b+=goog.html.SafeStyle.unwrap(a)};goog.array.forEach(arguments,c);return b?goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b):goog.html.SafeStyle.EMPTY};goog.html.SafeStyleSheet=function(){this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_="";this.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString=!0;goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeStyleSheet.createRule=function(a,b){if(goog.string.contains(a,"<"))throw Error("Selector does not allow '<', got: "+a);var c=a.replace(/('|")((?!\1)[^\r\n\f\\]|\\[\s\S])*\1/g,"");if(!/^[-_a-zA-Z0-9#.:* ,>+~[\]()=^$|]+$/.test(c))throw Error("Selector allows only [-_a-zA-Z0-9#.:* ,>+~[\\]()=^$|] and strings, got: "+a);if(!goog.html.SafeStyleSheet.hasBalancedBrackets_(c))throw Error("() and [] in selector must be balanced, got: "+a);b instanceof goog.html.SafeStyle||(b=goog.html.SafeStyle.create(b));
 a=a+"{"+goog.html.SafeStyle.unwrap(b)+"}";return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeStyleSheet.hasBalancedBrackets_=function(a){for(var b={"(":")","[":"]"},c=[],d=0;d<a.length;d++){var e=a[d];if(b[e])c.push(b[e]);else if(goog.object.contains(b,e)&&c.pop()!=e)return!1}return 0==c.length};
@@ -248,7 +259,7 @@ goog.html.SafeStyleSheet.unwrap=function(a){if(a instanceof goog.html.SafeStyleS
 goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse=function(a){return(new goog.html.SafeStyleSheet).initSecurityPrivateDoNotAccessOrElse_(a)};goog.html.SafeStyleSheet.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_=a;return this};goog.html.SafeStyleSheet.EMPTY=goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse("");goog.html.SafeHtml=function(){this.privateDoNotAccessOrElseSafeHtmlWrappedValue_="";this.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;this.dir_=null};goog.html.SafeHtml.prototype.implementsGoogI18nBidiDirectionalString=!0;goog.html.SafeHtml.prototype.getDirection=function(){return this.dir_};goog.html.SafeHtml.prototype.implementsGoogStringTypedString=!0;goog.html.SafeHtml.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_};
 goog.DEBUG&&(goog.html.SafeHtml.prototype.toString=function(){return"SafeHtml{"+this.privateDoNotAccessOrElseSafeHtmlWrappedValue_+"}"});
 goog.html.SafeHtml.unwrap=function(a){if(a instanceof goog.html.SafeHtml&&a.constructor===goog.html.SafeHtml&&a.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;goog.asserts.fail("expected object of type SafeHtml, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeHtml"};
-goog.html.SafeHtml.htmlEscape=function(a){if(a instanceof goog.html.SafeHtml)return a;var b=null;a.implementsGoogI18nBidiDirectionalString&&(b=a.getDirection());a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a),b)};
+goog.html.SafeHtml.htmlEscape=function(a){if(a instanceof goog.html.SafeHtml)return a;var b="object"==typeof a,c=null;b&&a.implementsGoogI18nBidiDirectionalString&&(c=a.getDirection());a=b&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a),c)};
 goog.html.SafeHtml.htmlEscapePreservingNewlines=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.newLineToBr(goog.html.SafeHtml.unwrap(a)),a.getDirection())};
 goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.whitespaceEscape(goog.html.SafeHtml.unwrap(a)),a.getDirection())};goog.html.SafeHtml.from=goog.html.SafeHtml.htmlEscape;goog.html.SafeHtml.VALID_NAMES_IN_TAG_=/^[a-zA-Z0-9-]+$/;
 goog.html.SafeHtml.URL_ATTRIBUTES_={action:!0,cite:!0,data:!0,formaction:!0,href:!0,manifest:!0,poster:!0,src:!0};goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_={APPLET:!0,BASE:!0,EMBED:!0,IFRAME:!0,LINK:!0,MATH:!0,META:!0,OBJECT:!0,SCRIPT:!0,STYLE:!0,SVG:!0,TEMPLATE:!0};goog.html.SafeHtml.create=function(a,b,c){goog.html.SafeHtml.verifyTagName(String(a));return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(String(a),b,c)};
@@ -268,12 +279,13 @@ goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse=function(a,
 null);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(e,d)};goog.html.SafeHtml.stringifyAttributes=function(a,b){var c="";if(b)for(var d in b){if(!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(d))throw Error('Invalid attribute name "'+d+'".');var e=b[d];goog.isDefAndNotNull(e)&&(c+=" "+goog.html.SafeHtml.getAttrNameAndValue_(a,d,e))}return c};
 goog.html.SafeHtml.combineAttributes=function(a,b,c){var d={},e;for(e in a)goog.asserts.assert(e.toLowerCase()==e,"Must be lower case"),d[e]=a[e];for(e in b)goog.asserts.assert(e.toLowerCase()==e,"Must be lower case"),d[e]=b[e];for(e in c){var f=e.toLowerCase();if(f in a)throw Error('Cannot override "'+f+'" attribute, got "'+e+'" with value "'+c[e]+'"');f in b&&delete d[f];d[e]=c[e]}return d};
 goog.html.SafeHtml.DOCTYPE_HTML=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<!DOCTYPE html>",goog.i18n.bidi.Dir.NEUTRAL);goog.html.SafeHtml.EMPTY=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("",goog.i18n.bidi.Dir.NEUTRAL);goog.html.SafeHtml.BR=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<br>",goog.i18n.bidi.Dir.NEUTRAL);goog.dom.safe={};goog.dom.safe.InsertAdjacentHtmlPosition={AFTERBEGIN:"afterbegin",AFTEREND:"afterend",BEFOREBEGIN:"beforebegin",BEFOREEND:"beforeend"};goog.dom.safe.insertAdjacentHtml=function(a,b,c){a.insertAdjacentHTML(b,goog.html.SafeHtml.unwrap(c))};goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_={MATH:!0,SCRIPT:!0,STYLE:!0,SVG:!0,TEMPLATE:!0};
-goog.dom.safe.setInnerHtml=function(a,b){if(goog.asserts.ENABLE_ASSERTS){var c=a.tagName.toUpperCase();if(goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_[c])throw Error("goog.dom.safe.setInnerHtml cannot be used to set content of "+a.tagName+".");}a.innerHTML=goog.html.SafeHtml.unwrap(b)};goog.dom.safe.setOuterHtml=function(a,b){a.outerHTML=goog.html.SafeHtml.unwrap(b)};
+goog.dom.safe.isInnerHtmlCleanupRecursive_=goog.functions.cacheReturnValue(function(){if(goog.DEBUG&&"undefined"===typeof document)return!1;var a=document.createElement("div");a.innerHTML="<div><div></div></div>";if(goog.DEBUG&&!a.firstChild)return!1;var b=a.firstChild.firstChild;a.innerHTML="";return!b.parentElement});goog.dom.safe.unsafeSetInnerHtmlDoNotUseOrElse=function(a,b){if(goog.dom.safe.isInnerHtmlCleanupRecursive_())for(;a.lastChild;)a.removeChild(a.lastChild);a.innerHTML=b};
+goog.dom.safe.setInnerHtml=function(a,b){if(goog.asserts.ENABLE_ASSERTS){var c=a.tagName.toUpperCase();if(goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_[c])throw Error("goog.dom.safe.setInnerHtml cannot be used to set content of "+a.tagName+".");}goog.dom.safe.unsafeSetInnerHtmlDoNotUseOrElse(a,goog.html.SafeHtml.unwrap(b))};goog.dom.safe.setOuterHtml=function(a,b){a.outerHTML=goog.html.SafeHtml.unwrap(b)};
 goog.dom.safe.setFormElementAction=function(a,b){b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLFormElement(a).action=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setButtonFormAction=function(a,b){b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLButtonElement(a).formAction=goog.html.SafeUrl.unwrap(b)};
 goog.dom.safe.setInputFormAction=function(a,b){b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLInputElement(a).formAction=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setStyle=function(a,b){a.style.cssText=goog.html.SafeStyle.unwrap(b)};goog.dom.safe.documentWrite=function(a,b){a.write(goog.html.SafeHtml.unwrap(b))};
 goog.dom.safe.setAnchorHref=function(a,b){goog.dom.asserts.assertIsHTMLAnchorElement(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.href=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setImageSrc=function(a,b){goog.dom.asserts.assertIsHTMLImageElement(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.src=goog.html.SafeUrl.unwrap(b)};
-goog.dom.safe.setVideoSrc=function(a,b){goog.dom.asserts.assertIsHTMLVideoElement(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.src=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setEmbedSrc=function(a,b){goog.dom.asserts.assertIsHTMLEmbedElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setFrameSrc=function(a,b){goog.dom.asserts.assertIsHTMLFrameElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};
-goog.dom.safe.setIframeSrc=function(a,b){goog.dom.asserts.assertIsHTMLIFrameElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setIframeSrcdoc=function(a,b){goog.dom.asserts.assertIsHTMLIFrameElement(a);a.srcdoc=goog.html.SafeHtml.unwrap(b)};
+goog.dom.safe.setAudioSrc=function(a,b){goog.dom.asserts.assertIsHTMLAudioElement(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.src=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setVideoSrc=function(a,b){goog.dom.asserts.assertIsHTMLVideoElement(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.src=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.setEmbedSrc=function(a,b){goog.dom.asserts.assertIsHTMLEmbedElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};
+goog.dom.safe.setFrameSrc=function(a,b){goog.dom.asserts.assertIsHTMLFrameElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setIframeSrc=function(a,b){goog.dom.asserts.assertIsHTMLIFrameElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setIframeSrcdoc=function(a,b){goog.dom.asserts.assertIsHTMLIFrameElement(a);a.srcdoc=goog.html.SafeHtml.unwrap(b)};
 goog.dom.safe.setLinkHrefAndRel=function(a,b,c){goog.dom.asserts.assertIsHTMLLinkElement(a);a.rel=c;goog.string.caseInsensitiveContains(c,"stylesheet")?(goog.asserts.assert(b instanceof goog.html.TrustedResourceUrl,'URL must be TrustedResourceUrl because "rel" contains "stylesheet"'),a.href=goog.html.TrustedResourceUrl.unwrap(b)):a.href=b instanceof goog.html.TrustedResourceUrl?goog.html.TrustedResourceUrl.unwrap(b):b instanceof goog.html.SafeUrl?goog.html.SafeUrl.unwrap(b):goog.html.SafeUrl.sanitizeAssertUnchanged(b).getTypedStringValue()};
 goog.dom.safe.setObjectData=function(a,b){goog.dom.asserts.assertIsHTMLObjectElement(a);a.data=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setScriptSrc=function(a,b){goog.dom.asserts.assertIsHTMLScriptElement(a);a.src=goog.html.TrustedResourceUrl.unwrap(b);(b=goog.getScriptNonce())&&a.setAttribute("nonce",b)};goog.dom.safe.setScriptContent=function(a,b){goog.dom.asserts.assertIsHTMLScriptElement(a);a.text=goog.html.SafeScript.unwrap(b);(b=goog.getScriptNonce())&&a.setAttribute("nonce",b)};
 goog.dom.safe.setLocationHref=function(a,b){goog.dom.asserts.assertIsLocation(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.href=goog.html.SafeUrl.unwrap(b)};goog.dom.safe.replaceLocation=function(a,b){goog.dom.asserts.assertIsLocation(a);b=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.replace(goog.html.SafeUrl.unwrap(b))};
@@ -291,7 +303,7 @@ goog.dom.getElementsByTagNameAndClass=function(a,b,c){return goog.dom.getElement
 goog.dom.getElementByClass=function(a,b){var c=b||document;return(c.getElementsByClassName?c.getElementsByClassName(a)[0]:goog.dom.getElementByTagNameAndClass_(document,"*",a,b))||null};goog.dom.getRequiredElementByClass=function(a,b){b=goog.dom.getElementByClass(a,b);return goog.asserts.assert(b,"No element found with className: "+a)};goog.dom.canUseQuerySelector_=function(a){return!(!a.querySelectorAll||!a.querySelector)};
 goog.dom.getElementsByTagNameAndClass_=function(a,b,c,d){a=d||a;b=b&&"*"!=b?String(b).toUpperCase():"";if(goog.dom.canUseQuerySelector_(a)&&(b||c))return a.querySelectorAll(b+(c?"."+c:""));if(c&&a.getElementsByClassName){a=a.getElementsByClassName(c);if(b){d={};for(var e=0,f=0,g;g=a[f];f++)b==g.nodeName&&(d[e++]=g);d.length=e;return d}return a}a=a.getElementsByTagName(b||"*");if(c){d={};for(f=e=0;g=a[f];f++)b=g.className,"function"==typeof b.split&&goog.array.contains(b.split(/\s+/),c)&&(d[e++]=g);
 d.length=e;return d}return a};goog.dom.getElementByTagNameAndClass_=function(a,b,c,d){var e=d||a,f=b&&"*"!=b?String(b).toUpperCase():"";return goog.dom.canUseQuerySelector_(e)&&(f||c)?e.querySelector(f+(c?"."+c:"")):goog.dom.getElementsByTagNameAndClass_(a,b,c,d)[0]||null};goog.dom.$$=goog.dom.getElementsByTagNameAndClass;
-goog.dom.setProperties=function(a,b){goog.object.forEach(b,function(b,d){b&&b.implementsGoogStringTypedString&&(b=b.getTypedStringValue());"style"==d?a.style.cssText=b:"class"==d?a.className=b:"for"==d?a.htmlFor=b:goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d)?a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d],b):goog.string.startsWith(d,"aria-")||goog.string.startsWith(d,"data-")?a.setAttribute(d,b):a[d]=b})};
+goog.dom.setProperties=function(a,b){goog.object.forEach(b,function(b,d){b&&"object"==typeof b&&b.implementsGoogStringTypedString&&(b=b.getTypedStringValue());"style"==d?a.style.cssText=b:"class"==d?a.className=b:"for"==d?a.htmlFor=b:goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d)?a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d],b):goog.string.startsWith(d,"aria-")||goog.string.startsWith(d,"data-")?a.setAttribute(d,b):a[d]=b})};
 goog.dom.DIRECT_ATTRIBUTE_MAP_={cellpadding:"cellPadding",cellspacing:"cellSpacing",colspan:"colSpan",frameborder:"frameBorder",height:"height",maxlength:"maxLength",nonce:"nonce",role:"role",rowspan:"rowSpan",type:"type",usemap:"useMap",valign:"vAlign",width:"width"};goog.dom.getViewportSize=function(a){return goog.dom.getViewportSize_(a||window)};goog.dom.getViewportSize_=function(a){a=a.document;a=goog.dom.isCss1CompatMode_(a)?a.documentElement:a.body;return new goog.math.Size(a.clientWidth,a.clientHeight)};
 goog.dom.getDocumentHeight=function(){return goog.dom.getDocumentHeight_(window)};goog.dom.getDocumentHeightForWindow=function(a){return goog.dom.getDocumentHeight_(a)};
 goog.dom.getDocumentHeight_=function(a){var b=a.document,c=0;if(b){c=b.body;var d=b.documentElement;if(!d||!c)return 0;a=goog.dom.getViewportSize_(a).height;if(goog.dom.isCss1CompatMode_(b)&&d.scrollHeight)c=d.scrollHeight!=a?d.scrollHeight:d.offsetHeight;else{b=d.scrollHeight;var e=d.offsetHeight;d.clientHeight!=e&&(b=c.scrollHeight,e=c.offsetHeight);c=b>a?b>e?b:e:b<e?b:e}}return c};goog.dom.getPageScroll=function(a){return goog.dom.getDomHelper((a||goog.global||window).document).getDocumentScroll()};
@@ -371,12 +383,12 @@ goog.debug.getStacktraceSimple=function(a){if(!goog.debug.FORCE_SLOPPY_STACKS){v
 goog.debug.MAX_STACK_DEPTH=50;goog.debug.getNativeStackTrace_=function(a){var b=Error();if(Error.captureStackTrace)return Error.captureStackTrace(b,a),String(b.stack);try{throw b;}catch(c){b=c}return(a=b.stack)?String(a):null};goog.debug.getStacktrace=function(a){var b;goog.debug.FORCE_SLOPPY_STACKS||(b=goog.debug.getNativeStackTrace_(a||goog.debug.getStacktrace));b||(b=goog.debug.getStacktraceHelper_(a||arguments.callee.caller,[]));return b};
 goog.debug.getStacktraceHelper_=function(a,b){var c=[];if(goog.array.contains(b,a))c.push("[...circular reference...]");else if(a&&b.length<goog.debug.MAX_STACK_DEPTH){c.push(goog.debug.getFunctionName(a)+"(");for(var d=a.arguments,e=0;d&&e<d.length;e++){0<e&&c.push(", ");var f=d[e];switch(typeof f){case "object":f=f?"object":"null";break;case "string":break;case "number":f=String(f);break;case "boolean":f=f?"true":"false";break;case "function":f=(f=goog.debug.getFunctionName(f))?f:"[fn]";break;default:f=
 typeof f}40<f.length&&(f=f.substr(0,40)+"...");c.push(f)}b.push(a);c.push(")\n");try{c.push(goog.debug.getStacktraceHelper_(a.caller,b))}catch(g){c.push("[exception trying to get caller]\n")}}else a?c.push("[...long stack...]"):c.push("[end]");return c.join("")};goog.debug.setFunctionResolver=function(a){goog.debug.fnNameResolver_=a};
-goog.debug.getFunctionName=function(a){if(goog.debug.fnNameCache_[a])return goog.debug.fnNameCache_[a];if(goog.debug.fnNameResolver_){var b=goog.debug.fnNameResolver_(a);if(b)return goog.debug.fnNameCache_[a]=b}a=String(a);goog.debug.fnNameCache_[a]||(b=/function ([^\(]+)/.exec(a),goog.debug.fnNameCache_[a]=b?b[1]:"[Anonymous]");return goog.debug.fnNameCache_[a]};
+goog.debug.getFunctionName=function(a){if(goog.debug.fnNameCache_[a])return goog.debug.fnNameCache_[a];if(goog.debug.fnNameResolver_){var b=goog.debug.fnNameResolver_(a);if(b)return goog.debug.fnNameCache_[a]=b}a=String(a);goog.debug.fnNameCache_[a]||(b=/function\s+([^\(]+)/m.exec(a),goog.debug.fnNameCache_[a]=b?b[1]:"[Anonymous]");return goog.debug.fnNameCache_[a]};
 goog.debug.makeWhitespaceVisible=function(a){return a.replace(/ /g,"[_]").replace(/\f/g,"[f]").replace(/\n/g,"[n]\n").replace(/\r/g,"[r]").replace(/\t/g,"[t]")};goog.debug.runtimeType=function(a){return a instanceof Function?a.displayName||a.name||"unknown type name":a instanceof Object?a.constructor.displayName||a.constructor.name||Object.prototype.toString.call(a):null===a?"null":typeof a};goog.debug.fnNameCache_={};goog.debug.freezeInternal_=goog.DEBUG&&Object.freeze||function(a){return a};
 goog.debug.freeze=function(a){return goog.debug.freezeInternal_(a)};goog.events={};$jscomp.scope.purify=function(a){return{valueOf:a}.valueOf()};
 goog.events.BrowserFeature={HAS_W3C_BUTTON:!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9),HAS_W3C_EVENT_SUPPORT:!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9),SET_KEY_CODE_TO_PREVENT_DEFAULT:goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("9"),HAS_NAVIGATOR_ONLINE_PROPERTY:!goog.userAgent.WEBKIT||goog.userAgent.isVersionOrHigher("528"),HAS_HTML5_NETWORK_EVENT_SUPPORT:goog.userAgent.GECKO&&goog.userAgent.isVersionOrHigher("1.9b")||goog.userAgent.IE&&goog.userAgent.isVersionOrHigher("8")||
 goog.userAgent.OPERA&&goog.userAgent.isVersionOrHigher("9.5")||goog.userAgent.WEBKIT&&goog.userAgent.isVersionOrHigher("528"),HTML5_NETWORK_EVENTS_FIRE_ON_BODY:goog.userAgent.GECKO&&!goog.userAgent.isVersionOrHigher("8")||goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("9"),TOUCH_ENABLED:"ontouchstart"in goog.global||!!(goog.global.document&&document.documentElement&&"ontouchstart"in document.documentElement)||!(!goog.global.navigator||!goog.global.navigator.maxTouchPoints&&!goog.global.navigator.msMaxTouchPoints),
-POINTER_EVENTS:"PointerEvent"in goog.global,MSPOINTER_EVENTS:"MSPointerEvent"in goog.global&&!(!goog.global.navigator||!goog.global.navigator.msPointerEnabled),PASSIVE_EVENTS:(0,$jscomp.scope.purify)(function(){if(!goog.global.addEventListener||!Object.defineProperty)return!1;var a=!1,b=Object.defineProperty({},"passive",{get:function(){a=!0}});goog.global.addEventListener("test",goog.nullFunction,b);goog.global.removeEventListener("test",goog.nullFunction,b);return a})};goog.disposable={};goog.disposable.IDisposable=function(){};goog.disposable.IDisposable.prototype.dispose=goog.abstractMethod;goog.disposable.IDisposable.prototype.isDisposed=goog.abstractMethod;goog.Disposable=function(){goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&(goog.Disposable.INCLUDE_STACK_ON_CREATION&&(this.creationStack=Error().stack),goog.Disposable.instances_[goog.getUid(this)]=this);this.disposed_=this.disposed_;this.onDisposeCallbacks_=this.onDisposeCallbacks_};goog.Disposable.MonitoringMode={OFF:0,PERMANENT:1,INTERACTIVE:2};goog.Disposable.MONITORING_MODE=0;goog.Disposable.INCLUDE_STACK_ON_CREATION=!0;goog.Disposable.instances_={};
+POINTER_EVENTS:"PointerEvent"in goog.global,MSPOINTER_EVENTS:"MSPointerEvent"in goog.global&&!(!goog.global.navigator||!goog.global.navigator.msPointerEnabled),PASSIVE_EVENTS:(0,$jscomp.scope.purify)(function(){if(!goog.global.addEventListener||!Object.defineProperty)return!1;var a=!1,b=Object.defineProperty({},"passive",{get:function(){a=!0}});try{goog.global.addEventListener("test",goog.nullFunction,b),goog.global.removeEventListener("test",goog.nullFunction,b)}catch(c){}return a})};goog.disposable={};goog.disposable.IDisposable=function(){};goog.disposable.IDisposable.prototype.dispose=goog.abstractMethod;goog.disposable.IDisposable.prototype.isDisposed=goog.abstractMethod;goog.Disposable=function(){goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&(goog.Disposable.INCLUDE_STACK_ON_CREATION&&(this.creationStack=Error().stack),goog.Disposable.instances_[goog.getUid(this)]=this);this.disposed_=this.disposed_;this.onDisposeCallbacks_=this.onDisposeCallbacks_};goog.Disposable.MonitoringMode={OFF:0,PERMANENT:1,INTERACTIVE:2};goog.Disposable.MONITORING_MODE=0;goog.Disposable.INCLUDE_STACK_ON_CREATION=!0;goog.Disposable.instances_={};
 goog.Disposable.getUndisposedObjects=function(){var a=[],b;for(b in goog.Disposable.instances_)goog.Disposable.instances_.hasOwnProperty(b)&&a.push(goog.Disposable.instances_[Number(b)]);return a};goog.Disposable.clearUndisposedObjects=function(){goog.Disposable.instances_={}};goog.Disposable.prototype.disposed_=!1;goog.Disposable.prototype.isDisposed=function(){return this.disposed_};goog.Disposable.prototype.getDisposed=goog.Disposable.prototype.isDisposed;
 goog.Disposable.prototype.dispose=function(){if(!this.disposed_&&(this.disposed_=!0,this.disposeInternal(),goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF)){var a=goog.getUid(this);if(goog.Disposable.MONITORING_MODE==goog.Disposable.MonitoringMode.PERMANENT&&!goog.Disposable.instances_.hasOwnProperty(a))throw Error(this+" did not call the goog.Disposable base constructor or was disposed of after a clearUndisposedObjects call");if(goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&
 this.onDisposeCallbacks_&&0<this.onDisposeCallbacks_.length)throw Error(this+" did not empty its onDisposeCallbacks queue. This probably means it overrode dispose() or disposeInternal() without calling the superclass' method.");delete goog.Disposable.instances_[a]}};goog.Disposable.prototype.registerDisposable=function(a){this.addOnDisposeCallback(goog.partial(goog.dispose,a))};
@@ -394,7 +406,10 @@ AFTERPRINT:"afterprint",BEFOREINSTALLPROMPT:"beforeinstallprompt",APPINSTALLED:"
 goog.events.PointerFallbackEventType={POINTERDOWN:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERDOWN,goog.events.EventType.MSPOINTERDOWN,goog.events.EventType.MOUSEDOWN),POINTERUP:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERUP,goog.events.EventType.MSPOINTERUP,goog.events.EventType.MOUSEUP),POINTERCANCEL:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERCANCEL,goog.events.EventType.MSPOINTERCANCEL,goog.events.EventType.MOUSECANCEL),
 POINTERMOVE:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERMOVE,goog.events.EventType.MSPOINTERMOVE,goog.events.EventType.MOUSEMOVE),POINTEROVER:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTEROVER,goog.events.EventType.MSPOINTEROVER,goog.events.EventType.MOUSEOVER),POINTEROUT:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTEROUT,goog.events.EventType.MSPOINTEROUT,goog.events.EventType.MOUSEOUT),POINTERENTER:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERENTER,
 goog.events.EventType.MSPOINTERENTER,goog.events.EventType.MOUSEENTER),POINTERLEAVE:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERLEAVE,goog.events.EventType.MSPOINTERLEAVE,goog.events.EventType.MOUSELEAVE)};
-goog.events.PointerAsMouseEventType={MOUSEDOWN:goog.events.PointerFallbackEventType.POINTERDOWN,MOUSEUP:goog.events.PointerFallbackEventType.POINTERUP,MOUSECANCEL:goog.events.PointerFallbackEventType.POINTERCANCEL,MOUSEMOVE:goog.events.PointerFallbackEventType.POINTERMOVE,MOUSEOVER:goog.events.PointerFallbackEventType.POINTEROVER,MOUSEOUT:goog.events.PointerFallbackEventType.POINTEROUT,MOUSEENTER:goog.events.PointerFallbackEventType.POINTERENTER,MOUSELEAVE:goog.events.PointerFallbackEventType.POINTERLEAVE};goog.events.BrowserEvent=function(a,b){goog.events.Event.call(this,a?a.type:"");this.relatedTarget=this.currentTarget=this.target=null;this.button=this.screenY=this.screenX=this.clientY=this.clientX=this.offsetY=this.offsetX=0;this.key="";this.charCode=this.keyCode=0;this.metaKey=this.shiftKey=this.altKey=this.ctrlKey=!1;this.state=null;this.platformModifierKey=!1;this.pointerId=0;this.pointerType="";this.event_=null;a&&this.init(a,b)};goog.inherits(goog.events.BrowserEvent,goog.events.Event);
+goog.events.PointerTouchFallbackEventType={POINTERDOWN:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERDOWN,goog.events.EventType.MSPOINTERDOWN,goog.events.EventType.TOUCHSTART),POINTERUP:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERUP,goog.events.EventType.MSPOINTERUP,goog.events.EventType.TOUCHEND),POINTERCANCEL:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERCANCEL,goog.events.EventType.MSPOINTERCANCEL,goog.events.EventType.TOUCHCANCEL),
+POINTERMOVE:goog.events.getPointerFallbackEventName_(goog.events.EventType.POINTERMOVE,goog.events.EventType.MSPOINTERMOVE,goog.events.EventType.TOUCHMOVE)};
+goog.events.PointerAsMouseEventType={MOUSEDOWN:goog.events.PointerFallbackEventType.POINTERDOWN,MOUSEUP:goog.events.PointerFallbackEventType.POINTERUP,MOUSECANCEL:goog.events.PointerFallbackEventType.POINTERCANCEL,MOUSEMOVE:goog.events.PointerFallbackEventType.POINTERMOVE,MOUSEOVER:goog.events.PointerFallbackEventType.POINTEROVER,MOUSEOUT:goog.events.PointerFallbackEventType.POINTEROUT,MOUSEENTER:goog.events.PointerFallbackEventType.POINTERENTER,MOUSELEAVE:goog.events.PointerFallbackEventType.POINTERLEAVE};
+goog.events.PointerAsTouchEventType={TOUCHCANCEL:goog.events.PointerTouchFallbackEventType.POINTERCANCEL,TOUCHEND:goog.events.PointerTouchFallbackEventType.POINTERUP,TOUCHMOVE:goog.events.PointerTouchFallbackEventType.POINTERMOVE,TOUCHSTART:goog.events.PointerTouchFallbackEventType.POINTERDOWN};goog.events.BrowserEvent=function(a,b){goog.events.Event.call(this,a?a.type:"");this.relatedTarget=this.currentTarget=this.target=null;this.button=this.screenY=this.screenX=this.clientY=this.clientX=this.offsetY=this.offsetX=0;this.key="";this.charCode=this.keyCode=0;this.metaKey=this.shiftKey=this.altKey=this.ctrlKey=!1;this.state=null;this.platformModifierKey=!1;this.pointerId=0;this.pointerType="";this.event_=null;a&&this.init(a,b)};goog.inherits(goog.events.BrowserEvent,goog.events.Event);
 goog.events.BrowserEvent.MouseButton={LEFT:0,MIDDLE:1,RIGHT:2};goog.events.BrowserEvent.PointerType={MOUSE:"mouse",PEN:"pen",TOUCH:"touch"};goog.events.BrowserEvent.IEButtonMap=goog.debug.freeze([1,4,2]);goog.events.BrowserEvent.IE_BUTTON_MAP=goog.events.BrowserEvent.IEButtonMap;goog.events.BrowserEvent.IE_POINTER_TYPE_MAP=goog.debug.freeze({2:goog.events.BrowserEvent.PointerType.TOUCH,3:goog.events.BrowserEvent.PointerType.PEN,4:goog.events.BrowserEvent.PointerType.MOUSE});
 goog.events.BrowserEvent.prototype.init=function(a,b){var c=this.type=a.type,d=a.changedTouches?a.changedTouches[0]:null;this.target=a.target||a.srcElement;this.currentTarget=b;(b=a.relatedTarget)?goog.userAgent.GECKO&&(goog.reflect.canAccessProperty(b,"nodeName")||(b=null)):c==goog.events.EventType.MOUSEOVER?b=a.fromElement:c==goog.events.EventType.MOUSEOUT&&(b=a.toElement);this.relatedTarget=b;goog.isNull(d)?(this.offsetX=goog.userAgent.WEBKIT||void 0!==a.offsetX?a.offsetX:a.layerX,this.offsetY=
 goog.userAgent.WEBKIT||void 0!==a.offsetY?a.offsetY:a.layerY,this.clientX=void 0!==a.clientX?a.clientX:a.pageX,this.clientY=void 0!==a.clientY?a.clientY:a.pageY,this.screenX=a.screenX||0,this.screenY=a.screenY||0):(this.clientX=void 0!==d.clientX?d.clientX:d.pageX,this.clientY=void 0!==d.clientY?d.clientY:d.pageY,this.screenX=d.screenX||0,this.screenY=d.screenY||0);this.button=a.button;this.keyCode=a.keyCode||0;this.key=a.key||"";this.charCode=a.charCode||("keypress"==c?a.keyCode:0);this.ctrlKey=
@@ -503,7 +518,7 @@ goog.events.EventTarget.prototype.unlisten=function(a,b,c,d){return this.eventTa
 goog.events.EventTarget.prototype.fireListeners=function(a,b,c){a=this.eventTargetListeners_.listeners[String(a)];if(!a)return!0;a=a.concat();for(var d=!0,e=0;e<a.length;++e){var f=a[e];if(f&&!f.removed&&f.capture==b){var g=f.listener,h=f.handler||f.src;f.callOnce&&this.unlistenByKey(f);d=!1!==g.call(h,c)&&d}}return d&&0!=c.returnValue_};goog.events.EventTarget.prototype.getListeners=function(a,b){return this.eventTargetListeners_.getListeners(String(a),b)};
 goog.events.EventTarget.prototype.getListener=function(a,b,c,d){return this.eventTargetListeners_.getListener(String(a),b,c,d)};goog.events.EventTarget.prototype.hasListener=function(a,b){a=goog.isDef(a)?String(a):void 0;return this.eventTargetListeners_.hasListener(a,b)};goog.events.EventTarget.prototype.setTargetForTesting=function(a){this.actualEventTarget_=a};goog.events.EventTarget.prototype.assertInitialized_=function(){goog.asserts.assert(this.eventTargetListeners_,"Event target is not initialized. Did you call the superclass (goog.events.EventTarget) constructor?")};
 goog.events.EventTarget.dispatchEventInternal_=function(a,b,c){var d=b.type||b;if(goog.isString(b))b=new goog.events.Event(b,a);else if(b instanceof goog.events.Event)b.target=b.target||a;else{var e=b;b=new goog.events.Event(d,a);goog.object.extend(b,e)}e=!0;if(c)for(var f=c.length-1;!b.propagationStopped_&&0<=f;f--){var g=b.currentTarget=c[f];e=g.fireListeners(d,!0,b)&&e}b.propagationStopped_||(g=b.currentTarget=a,e=g.fireListeners(d,!0,b)&&e,b.propagationStopped_||(e=g.fireListeners(d,!1,b)&&e));
-if(c)for(f=0;!b.propagationStopped_&&f<c.length;f++)g=b.currentTarget=c[f],e=g.fireListeners(d,!1,b)&&e;return e};goog.ui={};goog.ui.IdGenerator=function(){};goog.addSingletonGetter(goog.ui.IdGenerator);goog.ui.IdGenerator.prototype.nextId_=0;goog.ui.IdGenerator.prototype.getNextUniqueId=function(){return":"+(this.nextId_++).toString(36)};goog.ui.Component=function(a){goog.events.EventTarget.call(this);this.dom_=a||goog.dom.getDomHelper();this.rightToLeft_=goog.ui.Component.defaultRightToLeft_;this.id_=null;this.inDocument_=!1;this.element_=null;this.googUiComponentHandler_=void 0;this.childIndex_=this.children_=this.parent_=this.model_=null;this.pointerEventsEnabled_=this.wasDecorated_=!1};goog.inherits(goog.ui.Component,goog.events.EventTarget);goog.ui.Component.ALLOW_DETACHED_DECORATION=!1;
+if(c)for(f=0;!b.propagationStopped_&&f<c.length;f++)g=b.currentTarget=c[f],e=g.fireListeners(d,!1,b)&&e;return e};goog.ui={};goog.ui.IdGenerator=function(){};goog.addSingletonGetter(goog.ui.IdGenerator);goog.ui.IdGenerator.prototype.nextId_=0;goog.ui.IdGenerator.prototype.idPrefix_="";goog.ui.IdGenerator.prototype.setIdPrefix=function(a){this.idPrefix_=a};goog.ui.IdGenerator.prototype.getNextUniqueId=function(){return this.idPrefix_+":"+(this.nextId_++).toString(36)};goog.ui.Component=function(a){goog.events.EventTarget.call(this);this.dom_=a||goog.dom.getDomHelper();this.rightToLeft_=goog.ui.Component.defaultRightToLeft_;this.id_=null;this.inDocument_=!1;this.element_=null;this.googUiComponentHandler_=void 0;this.childIndex_=this.children_=this.parent_=this.model_=null;this.pointerEventsEnabled_=this.wasDecorated_=!1};goog.inherits(goog.ui.Component,goog.events.EventTarget);goog.ui.Component.ALLOW_DETACHED_DECORATION=!1;
 goog.ui.Component.prototype.idGenerator_=goog.ui.IdGenerator.getInstance();goog.ui.Component.DEFAULT_BIDI_DIR=0;goog.ui.Component.defaultRightToLeft_=1==goog.ui.Component.DEFAULT_BIDI_DIR?!1:-1==goog.ui.Component.DEFAULT_BIDI_DIR?!0:null;
 goog.ui.Component.EventType={BEFORE_SHOW:"beforeshow",SHOW:"show",HIDE:"hide",DISABLE:"disable",ENABLE:"enable",HIGHLIGHT:"highlight",UNHIGHLIGHT:"unhighlight",ACTIVATE:"activate",DEACTIVATE:"deactivate",SELECT:"select",UNSELECT:"unselect",CHECK:"check",UNCHECK:"uncheck",FOCUS:"focus",BLUR:"blur",OPEN:"open",CLOSE:"close",ENTER:"enter",LEAVE:"leave",ACTION:"action",CHANGE:"change"};
 goog.ui.Component.Error={NOT_SUPPORTED:"Method not supported",DECORATE_INVALID:"Invalid element to decorate",ALREADY_RENDERED:"Component already rendered",PARENT_UNABLE_TO_BE_SET:"Unable to set parent component",CHILD_INDEX_OUT_OF_BOUNDS:"Child component index out of bounds",NOT_OUR_CHILD:"Child is not in parent component",NOT_IN_DOCUMENT:"Operation not supported while component is not in document",STATE_INVALID:"Invalid component state"};
@@ -550,24 +565,24 @@ Q:81,R:82,S:83,T:84,U:85,V:86,W:87,X:88,Y:89,Z:90,META:91,WIN_KEY_RIGHT:92,CONTE
 SLASH:191,APOSTROPHE:192,TILDE:192,SINGLE_QUOTE:222,OPEN_SQUARE_BRACKET:219,BACKSLASH:220,CLOSE_SQUARE_BRACKET:221,WIN_KEY:224,MAC_FF_META:224,MAC_WK_CMD_LEFT:91,MAC_WK_CMD_RIGHT:93,WIN_IME:229,VK_NONAME:252,PHANTOM:255};
 goog.events.KeyCodes.isTextModifyingKeyEvent=function(a){if(a.altKey&&!a.ctrlKey||a.metaKey||a.keyCode>=goog.events.KeyCodes.F1&&a.keyCode<=goog.events.KeyCodes.F12)return!1;switch(a.keyCode){case goog.events.KeyCodes.ALT:case goog.events.KeyCodes.CAPS_LOCK:case goog.events.KeyCodes.CONTEXT_MENU:case goog.events.KeyCodes.CTRL:case goog.events.KeyCodes.DOWN:case goog.events.KeyCodes.END:case goog.events.KeyCodes.ESC:case goog.events.KeyCodes.HOME:case goog.events.KeyCodes.INSERT:case goog.events.KeyCodes.LEFT:case goog.events.KeyCodes.MAC_FF_META:case goog.events.KeyCodes.META:case goog.events.KeyCodes.NUMLOCK:case goog.events.KeyCodes.NUM_CENTER:case goog.events.KeyCodes.PAGE_DOWN:case goog.events.KeyCodes.PAGE_UP:case goog.events.KeyCodes.PAUSE:case goog.events.KeyCodes.PHANTOM:case goog.events.KeyCodes.PRINT_SCREEN:case goog.events.KeyCodes.RIGHT:case goog.events.KeyCodes.SCROLL_LOCK:case goog.events.KeyCodes.SHIFT:case goog.events.KeyCodes.UP:case goog.events.KeyCodes.VK_NONAME:case goog.events.KeyCodes.WIN_KEY:case goog.events.KeyCodes.WIN_KEY_RIGHT:return!1;case goog.events.KeyCodes.WIN_KEY_FF_LINUX:return!goog.userAgent.GECKO;
 default:return a.keyCode<goog.events.KeyCodes.FIRST_MEDIA_KEY||a.keyCode>goog.events.KeyCodes.LAST_MEDIA_KEY}};
-goog.events.KeyCodes.firesKeyPressEvent=function(a,b,c,d,e,f){if(!(goog.userAgent.IE||goog.userAgent.EDGE||goog.userAgent.WEBKIT&&goog.userAgent.isVersionOrHigher("525")))return!0;if(goog.userAgent.MAC&&e)return goog.events.KeyCodes.isCharacterKey(a);if(e&&!d)return!1;goog.isNumber(b)&&(b=goog.events.KeyCodes.normalizeKeyCode(b));e=b==goog.events.KeyCodes.CTRL||b==goog.events.KeyCodes.ALT||goog.userAgent.MAC&&b==goog.events.KeyCodes.META;f=b==goog.events.KeyCodes.SHIFT&&(d||f);if((!c||goog.userAgent.MAC)&&
-e||goog.userAgent.MAC&&f)return!1;if((goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&d&&c)switch(a){case goog.events.KeyCodes.BACKSLASH:case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:case goog.events.KeyCodes.TILDE:case goog.events.KeyCodes.SEMICOLON:case goog.events.KeyCodes.DASH:case goog.events.KeyCodes.EQUALS:case goog.events.KeyCodes.COMMA:case goog.events.KeyCodes.PERIOD:case goog.events.KeyCodes.SLASH:case goog.events.KeyCodes.APOSTROPHE:case goog.events.KeyCodes.SINGLE_QUOTE:return!1}if(goog.userAgent.IE&&
-d&&b==a)return!1;switch(a){case goog.events.KeyCodes.ENTER:return!0;case goog.events.KeyCodes.ESC:return!(goog.userAgent.WEBKIT||goog.userAgent.EDGE)}return goog.events.KeyCodes.isCharacterKey(a)};
-goog.events.KeyCodes.isCharacterKey=function(a){if(a>=goog.events.KeyCodes.ZERO&&a<=goog.events.KeyCodes.NINE||a>=goog.events.KeyCodes.NUM_ZERO&&a<=goog.events.KeyCodes.NUM_MULTIPLY||a>=goog.events.KeyCodes.A&&a<=goog.events.KeyCodes.Z||(goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&0==a)return!0;switch(a){case goog.events.KeyCodes.SPACE:case goog.events.KeyCodes.PLUS_SIGN:case goog.events.KeyCodes.QUESTION_MARK:case goog.events.KeyCodes.AT_SIGN:case goog.events.KeyCodes.NUM_PLUS:case goog.events.KeyCodes.NUM_MINUS:case goog.events.KeyCodes.NUM_PERIOD:case goog.events.KeyCodes.NUM_DIVISION:case goog.events.KeyCodes.SEMICOLON:case goog.events.KeyCodes.FF_SEMICOLON:case goog.events.KeyCodes.DASH:case goog.events.KeyCodes.EQUALS:case goog.events.KeyCodes.FF_EQUALS:case goog.events.KeyCodes.COMMA:case goog.events.KeyCodes.PERIOD:case goog.events.KeyCodes.SLASH:case goog.events.KeyCodes.APOSTROPHE:case goog.events.KeyCodes.SINGLE_QUOTE:case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:case goog.events.KeyCodes.BACKSLASH:case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:return!0;default:return!1}};
-goog.events.KeyCodes.normalizeKeyCode=function(a){return goog.userAgent.GECKO?goog.events.KeyCodes.normalizeGeckoKeyCode(a):goog.userAgent.MAC&&goog.userAgent.WEBKIT?goog.events.KeyCodes.normalizeMacWebKitKeyCode(a):a};
+goog.events.KeyCodes.firesKeyPressEvent=function(a,b,c,d,e,f){if(goog.userAgent.WEBKIT&&!goog.userAgent.isVersionOrHigher("525"))return!0;if(goog.userAgent.MAC&&e)return goog.events.KeyCodes.isCharacterKey(a);if(e&&!d)return!1;if(!goog.userAgent.GECKO){goog.isNumber(b)&&(b=goog.events.KeyCodes.normalizeKeyCode(b));var g=b==goog.events.KeyCodes.CTRL||b==goog.events.KeyCodes.ALT||goog.userAgent.MAC&&b==goog.events.KeyCodes.META,h=b==goog.events.KeyCodes.SHIFT&&(d||f);if((!c||goog.userAgent.MAC)&&g||
+goog.userAgent.MAC&&h)return!1}if((goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&d&&c)switch(a){case goog.events.KeyCodes.BACKSLASH:case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:case goog.events.KeyCodes.TILDE:case goog.events.KeyCodes.SEMICOLON:case goog.events.KeyCodes.DASH:case goog.events.KeyCodes.EQUALS:case goog.events.KeyCodes.COMMA:case goog.events.KeyCodes.PERIOD:case goog.events.KeyCodes.SLASH:case goog.events.KeyCodes.APOSTROPHE:case goog.events.KeyCodes.SINGLE_QUOTE:return!1}if(goog.userAgent.IE&&
+d&&b==a)return!1;switch(a){case goog.events.KeyCodes.ENTER:return goog.userAgent.GECKO?f||e?!1:!(c&&d):!0;case goog.events.KeyCodes.ESC:return!(goog.userAgent.WEBKIT||goog.userAgent.EDGE||goog.userAgent.GECKO)}return goog.userAgent.GECKO&&(d||e||f)?!1:goog.events.KeyCodes.isCharacterKey(a)};
+goog.events.KeyCodes.isCharacterKey=function(a){if(a>=goog.events.KeyCodes.ZERO&&a<=goog.events.KeyCodes.NINE||a>=goog.events.KeyCodes.NUM_ZERO&&a<=goog.events.KeyCodes.NUM_MULTIPLY||a>=goog.events.KeyCodes.A&&a<=goog.events.KeyCodes.Z||(goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&0==a)return!0;switch(a){case goog.events.KeyCodes.SPACE:case goog.events.KeyCodes.PLUS_SIGN:case goog.events.KeyCodes.QUESTION_MARK:case goog.events.KeyCodes.AT_SIGN:case goog.events.KeyCodes.NUM_PLUS:case goog.events.KeyCodes.NUM_MINUS:case goog.events.KeyCodes.NUM_PERIOD:case goog.events.KeyCodes.NUM_DIVISION:case goog.events.KeyCodes.SEMICOLON:case goog.events.KeyCodes.FF_SEMICOLON:case goog.events.KeyCodes.DASH:case goog.events.KeyCodes.EQUALS:case goog.events.KeyCodes.FF_EQUALS:case goog.events.KeyCodes.COMMA:case goog.events.KeyCodes.PERIOD:case goog.events.KeyCodes.SLASH:case goog.events.KeyCodes.APOSTROPHE:case goog.events.KeyCodes.SINGLE_QUOTE:case goog.events.KeyCodes.OPEN_SQUARE_BRACKET:case goog.events.KeyCodes.BACKSLASH:case goog.events.KeyCodes.CLOSE_SQUARE_BRACKET:return!0;
+default:return!1}};goog.events.KeyCodes.normalizeKeyCode=function(a){return goog.userAgent.GECKO?goog.events.KeyCodes.normalizeGeckoKeyCode(a):goog.userAgent.MAC&&goog.userAgent.WEBKIT?goog.events.KeyCodes.normalizeMacWebKitKeyCode(a):a};
 goog.events.KeyCodes.normalizeGeckoKeyCode=function(a){switch(a){case goog.events.KeyCodes.FF_EQUALS:return goog.events.KeyCodes.EQUALS;case goog.events.KeyCodes.FF_SEMICOLON:return goog.events.KeyCodes.SEMICOLON;case goog.events.KeyCodes.FF_DASH:return goog.events.KeyCodes.DASH;case goog.events.KeyCodes.MAC_FF_META:return goog.events.KeyCodes.META;case goog.events.KeyCodes.WIN_KEY_FF_LINUX:return goog.events.KeyCodes.WIN_KEY;default:return a}};
 goog.events.KeyCodes.normalizeMacWebKitKeyCode=function(a){switch(a){case goog.events.KeyCodes.MAC_WK_CMD_RIGHT:return goog.events.KeyCodes.META;default:return a}};goog.events.KeyHandler=function(a,b){goog.events.EventTarget.call(this);a&&this.attach(a,b)};goog.inherits(goog.events.KeyHandler,goog.events.EventTarget);goog.events.KeyHandler.prototype.element_=null;goog.events.KeyHandler.prototype.keyPressKey_=null;goog.events.KeyHandler.prototype.keyDownKey_=null;goog.events.KeyHandler.prototype.keyUpKey_=null;goog.events.KeyHandler.prototype.lastKey_=-1;goog.events.KeyHandler.prototype.keyCode_=-1;goog.events.KeyHandler.prototype.altKey_=!1;
 goog.events.KeyHandler.EventType={KEY:"key"};
 goog.events.KeyHandler.safariKey_={3:goog.events.KeyCodes.ENTER,12:goog.events.KeyCodes.NUMLOCK,63232:goog.events.KeyCodes.UP,63233:goog.events.KeyCodes.DOWN,63234:goog.events.KeyCodes.LEFT,63235:goog.events.KeyCodes.RIGHT,63236:goog.events.KeyCodes.F1,63237:goog.events.KeyCodes.F2,63238:goog.events.KeyCodes.F3,63239:goog.events.KeyCodes.F4,63240:goog.events.KeyCodes.F5,63241:goog.events.KeyCodes.F6,63242:goog.events.KeyCodes.F7,63243:goog.events.KeyCodes.F8,63244:goog.events.KeyCodes.F9,63245:goog.events.KeyCodes.F10,
 63246:goog.events.KeyCodes.F11,63247:goog.events.KeyCodes.F12,63248:goog.events.KeyCodes.PRINT_SCREEN,63272:goog.events.KeyCodes.DELETE,63273:goog.events.KeyCodes.HOME,63275:goog.events.KeyCodes.END,63276:goog.events.KeyCodes.PAGE_UP,63277:goog.events.KeyCodes.PAGE_DOWN,63289:goog.events.KeyCodes.NUMLOCK,63302:goog.events.KeyCodes.INSERT};
 goog.events.KeyHandler.keyIdentifier_={Up:goog.events.KeyCodes.UP,Down:goog.events.KeyCodes.DOWN,Left:goog.events.KeyCodes.LEFT,Right:goog.events.KeyCodes.RIGHT,Enter:goog.events.KeyCodes.ENTER,F1:goog.events.KeyCodes.F1,F2:goog.events.KeyCodes.F2,F3:goog.events.KeyCodes.F3,F4:goog.events.KeyCodes.F4,F5:goog.events.KeyCodes.F5,F6:goog.events.KeyCodes.F6,F7:goog.events.KeyCodes.F7,F8:goog.events.KeyCodes.F8,F9:goog.events.KeyCodes.F9,F10:goog.events.KeyCodes.F10,F11:goog.events.KeyCodes.F11,F12:goog.events.KeyCodes.F12,
-"U+007F":goog.events.KeyCodes.DELETE,Home:goog.events.KeyCodes.HOME,End:goog.events.KeyCodes.END,PageUp:goog.events.KeyCodes.PAGE_UP,PageDown:goog.events.KeyCodes.PAGE_DOWN,Insert:goog.events.KeyCodes.INSERT};goog.events.KeyHandler.USES_KEYDOWN_=goog.userAgent.IE||goog.userAgent.EDGE||goog.userAgent.WEBKIT&&goog.userAgent.isVersionOrHigher("525");goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_=goog.userAgent.MAC&&goog.userAgent.GECKO;
+"U+007F":goog.events.KeyCodes.DELETE,Home:goog.events.KeyCodes.HOME,End:goog.events.KeyCodes.END,PageUp:goog.events.KeyCodes.PAGE_UP,PageDown:goog.events.KeyCodes.PAGE_DOWN,Insert:goog.events.KeyCodes.INSERT};goog.events.KeyHandler.USES_KEYDOWN_=!goog.userAgent.WEBKIT||goog.userAgent.isVersionOrHigher("525");goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_=goog.userAgent.MAC&&goog.userAgent.GECKO;
 goog.events.KeyHandler.prototype.handleKeyDown_=function(a){(goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&(this.lastKey_==goog.events.KeyCodes.CTRL&&!a.ctrlKey||this.lastKey_==goog.events.KeyCodes.ALT&&!a.altKey||goog.userAgent.MAC&&this.lastKey_==goog.events.KeyCodes.META&&!a.metaKey)&&this.resetState();-1==this.lastKey_&&(a.ctrlKey&&a.keyCode!=goog.events.KeyCodes.CTRL?this.lastKey_=goog.events.KeyCodes.CTRL:a.altKey&&a.keyCode!=goog.events.KeyCodes.ALT?this.lastKey_=goog.events.KeyCodes.ALT:a.metaKey&&
 a.keyCode!=goog.events.KeyCodes.META&&(this.lastKey_=goog.events.KeyCodes.META));goog.events.KeyHandler.USES_KEYDOWN_&&!goog.events.KeyCodes.firesKeyPressEvent(a.keyCode,this.lastKey_,a.shiftKey,a.ctrlKey,a.altKey,a.metaKey)?this.handleEvent(a):(this.keyCode_=goog.events.KeyCodes.normalizeKeyCode(a.keyCode),goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_&&(this.altKey_=a.altKey))};goog.events.KeyHandler.prototype.resetState=function(){this.keyCode_=this.lastKey_=-1};
 goog.events.KeyHandler.prototype.handleKeyup_=function(a){this.resetState();this.altKey_=a.altKey};
 goog.events.KeyHandler.prototype.handleEvent=function(a){var b=a.getBrowserEvent(),c=b.altKey;if(goog.userAgent.IE&&a.type==goog.events.EventType.KEYPRESS){var d=this.keyCode_;var e=d!=goog.events.KeyCodes.ENTER&&d!=goog.events.KeyCodes.ESC?b.keyCode:0}else(goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&a.type==goog.events.EventType.KEYPRESS?(d=this.keyCode_,e=0<=b.charCode&&63232>b.charCode&&goog.events.KeyCodes.isCharacterKey(d)?b.charCode:0):goog.userAgent.OPERA&&!goog.userAgent.WEBKIT?(d=this.keyCode_,
-e=goog.events.KeyCodes.isCharacterKey(d)?b.keyCode:0):(d=b.keyCode||this.keyCode_,e=b.charCode||0,goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_&&(c=this.altKey_),goog.userAgent.MAC&&e==goog.events.KeyCodes.QUESTION_MARK&&d==goog.events.KeyCodes.WIN_KEY&&(d=goog.events.KeyCodes.SLASH));var f=d=goog.events.KeyCodes.normalizeKeyCode(d);d?63232<=d&&d in goog.events.KeyHandler.safariKey_?f=goog.events.KeyHandler.safariKey_[d]:25==d&&a.shiftKey&&(f=9):b.keyIdentifier&&b.keyIdentifier in goog.events.KeyHandler.keyIdentifier_&&
-(f=goog.events.KeyHandler.keyIdentifier_[b.keyIdentifier]);a=f==this.lastKey_;this.lastKey_=f;b=new goog.events.KeyEvent(f,e,a,b);b.altKey=c;this.dispatchEvent(b)};goog.events.KeyHandler.prototype.getElement=function(){return this.element_};
+e=goog.events.KeyCodes.isCharacterKey(d)?b.keyCode:0):(d=b.keyCode||this.keyCode_,e=b.charCode||0,goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_&&a.type==goog.events.EventType.KEYPRESS&&(c=this.altKey_),goog.userAgent.MAC&&e==goog.events.KeyCodes.QUESTION_MARK&&d==goog.events.KeyCodes.WIN_KEY&&(d=goog.events.KeyCodes.SLASH));var f=d=goog.events.KeyCodes.normalizeKeyCode(d);d?63232<=d&&d in goog.events.KeyHandler.safariKey_?f=goog.events.KeyHandler.safariKey_[d]:25==d&&a.shiftKey&&(f=9):b.keyIdentifier&&
+b.keyIdentifier in goog.events.KeyHandler.keyIdentifier_&&(f=goog.events.KeyHandler.keyIdentifier_[b.keyIdentifier]);goog.userAgent.GECKO&&goog.events.KeyHandler.USES_KEYDOWN_&&a.type==goog.events.EventType.KEYPRESS&&!goog.events.KeyCodes.firesKeyPressEvent(f,this.lastKey_,a.shiftKey,a.ctrlKey,c,a.metaKey)||(a=f==this.lastKey_,this.lastKey_=f,b=new goog.events.KeyEvent(f,e,a,b),b.altKey=c,this.dispatchEvent(b))};goog.events.KeyHandler.prototype.getElement=function(){return this.element_};
 goog.events.KeyHandler.prototype.attach=function(a,b){this.keyUpKey_&&this.detach();this.element_=a;this.keyPressKey_=goog.events.listen(this.element_,goog.events.EventType.KEYPRESS,this,b);this.keyDownKey_=goog.events.listen(this.element_,goog.events.EventType.KEYDOWN,this.handleKeyDown_,b,this);this.keyUpKey_=goog.events.listen(this.element_,goog.events.EventType.KEYUP,this.handleKeyup_,b,this)};
 goog.events.KeyHandler.prototype.detach=function(){this.keyPressKey_&&(goog.events.unlistenByKey(this.keyPressKey_),goog.events.unlistenByKey(this.keyDownKey_),goog.events.unlistenByKey(this.keyUpKey_),this.keyUpKey_=this.keyDownKey_=this.keyPressKey_=null);this.element_=null;this.keyCode_=this.lastKey_=-1};goog.events.KeyHandler.prototype.disposeInternal=function(){goog.events.KeyHandler.superClass_.disposeInternal.call(this);this.detach()};
 goog.events.KeyEvent=function(a,b,c,d){goog.events.BrowserEvent.call(this,d);this.type=goog.events.KeyHandler.EventType.KEY;this.keyCode=a;this.charCode=b;this.repeat=c};goog.inherits(goog.events.KeyEvent,goog.events.BrowserEvent);goog.ui.ComponentUtil={};goog.ui.ComponentUtil.getMouseEventType=function(a){return a.pointerEventsEnabled()?goog.events.PointerAsMouseEventType:goog.events.EventType};goog.dom.classlist={};goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST=!1;goog.dom.classlist.get=function(a){if(goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST||a.classList)return a.classList;a=a.className;return goog.isString(a)&&a.match(/\S+/g)||[]};goog.dom.classlist.set=function(a,b){a.className=b};goog.dom.classlist.contains=function(a,b){return goog.dom.classlist.ALWAYS_USE_DOM_TOKEN_LIST||a.classList?a.classList.contains(b):goog.array.contains(goog.dom.classlist.get(a),b)};
@@ -704,74 +719,7 @@ goog.ui.Menu.prototype.setAllowHighlightDisabled=function(a){this.allowHighlight
 goog.ui.Menu.prototype.handleEnterItem=function(a){this.allowAutoFocus_&&this.getKeyEventTarget().focus();return goog.ui.Menu.superClass_.handleEnterItem.call(this,a)};goog.ui.Menu.prototype.highlightNextPrefix=function(a){var b=new RegExp("^"+goog.string.regExpEscape(a),"i");return this.highlightHelper(function(a,d){var c=0>a?0:a,f=!1;do{++a;a==d&&(a=0,f=!0);var g=this.getChildAt(a).getCaption();if(g&&g.match(b))return a}while(!f||a!=c);return this.getHighlightedIndex()},this.getHighlightedIndex())};
 goog.ui.Menu.prototype.canHighlightItem=function(a){return(this.allowHighlightDisabled_||a.isEnabled())&&a.isVisible()&&a.isSupportedState(goog.ui.Component.State.HOVER)};goog.ui.Menu.prototype.decorateInternal=function(a){this.decorateContent(a);goog.ui.Menu.superClass_.decorateInternal.call(this,a)};
 goog.ui.Menu.prototype.handleKeyEventInternal=function(a){var b=goog.ui.Menu.superClass_.handleKeyEventInternal.call(this,a);b||this.forEachChild(function(c){!b&&c.getMnemonic&&c.getMnemonic()==a.keyCode&&(this.isEnabled()&&this.setHighlighted(c),b=c.handleKeyEvent(a))},this);return b};goog.ui.Menu.prototype.setHighlightedIndex=function(a){goog.ui.Menu.superClass_.setHighlightedIndex.call(this,a);(a=this.getChildAt(a))&&goog.style.scrollIntoContainerView(a.getElement(),this.getElement())};
-goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass("DIV",b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.functions={};goog.functions.constant=function(a){return function(){return a}};goog.functions.FALSE=goog.functions.constant(!1);goog.functions.TRUE=goog.functions.constant(!0);goog.functions.NULL=goog.functions.constant(null);goog.functions.identity=function(a,b){return a};goog.functions.error=function(a){return function(){throw Error(a);}};goog.functions.fail=function(a){return function(){throw a;}};
-goog.functions.lock=function(a,b){b=b||0;return function(){return a.apply(this,Array.prototype.slice.call(arguments,0,b))}};goog.functions.nth=function(a){return function(){return arguments[a]}};goog.functions.partialRight=function(a,b){var c=Array.prototype.slice.call(arguments,1);return function(){var b=Array.prototype.slice.call(arguments);b.push.apply(b,c);return a.apply(this,b)}};goog.functions.withReturnValue=function(a,b){return goog.functions.sequence(a,goog.functions.constant(b))};
-goog.functions.equalTo=function(a,b){return function(c){return b?a==c:a===c}};goog.functions.compose=function(a,b){var c=arguments,d=c.length;return function(){var a;d&&(a=c[d-1].apply(this,arguments));for(var b=d-2;0<=b;b--)a=c[b].call(this,a);return a}};goog.functions.sequence=function(a){var b=arguments,c=b.length;return function(){for(var a,e=0;e<c;e++)a=b[e].apply(this,arguments);return a}};
-goog.functions.and=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(!b[a].apply(this,arguments))return!1;return!0}};goog.functions.or=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(b[a].apply(this,arguments))return!0;return!1}};goog.functions.not=function(a){return function(){return!a.apply(this,arguments)}};
-goog.functions.create=function(a,b){var c=function(){};c.prototype=a.prototype;c=new c;a.apply(c,Array.prototype.slice.call(arguments,1));return c};goog.functions.CACHE_RETURN_VALUE=!0;goog.functions.cacheReturnValue=function(a){var b=!1,c;return function(){if(!goog.functions.CACHE_RETURN_VALUE)return a();b||(c=a(),b=!0);return c}};goog.functions.once=function(a){var b=a;return function(){if(b){var a=b;b=null;a()}}};
-goog.functions.debounce=function(a,b,c){var d=0;return function(e){goog.global.clearTimeout(d);var f=arguments;d=goog.global.setTimeout(function(){a.apply(c,f)},b)}};goog.functions.throttle=function(a,b,c){var d=0,e=!1,f=[],g=function(){d=0;e&&(e=!1,h())},h=function(){d=goog.global.setTimeout(g,b);a.apply(c,f)};return function(a){f=arguments;d?e=!0:h()}};goog.functions.rateLimit=function(a,b,c){var d=0,e=function(){d=0};return function(f){d||(d=goog.global.setTimeout(e,b),a.apply(c,arguments))}};goog.iter={};goog.iter.StopIteration="StopIteration"in goog.global?goog.global.StopIteration:{message:"StopIteration",stack:""};goog.iter.Iterator=function(){};goog.iter.Iterator.prototype.next=function(){throw goog.iter.StopIteration;};goog.iter.Iterator.prototype.__iterator__=function(a){return this};
-goog.iter.toIterator=function(a){if(a instanceof goog.iter.Iterator)return a;if("function"==typeof a.__iterator__)return a.__iterator__(!1);if(goog.isArrayLike(a)){var b=0,c=new goog.iter.Iterator;c.next=function(){for(;;){if(b>=a.length)throw goog.iter.StopIteration;if(b in a)return a[b++];b++}};return c}throw Error("Not implemented");};
-goog.iter.forEach=function(a,b,c){if(goog.isArrayLike(a))try{goog.array.forEach(a,b,c)}catch(d){if(d!==goog.iter.StopIteration)throw d;}else{a=goog.iter.toIterator(a);try{for(;;)b.call(c,a.next(),void 0,a)}catch(d){if(d!==goog.iter.StopIteration)throw d;}}};goog.iter.filter=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){for(;;){var a=d.next();if(b.call(c,a,void 0,d))return a}};return a};
-goog.iter.filterFalse=function(a,b,c){return goog.iter.filter(a,goog.functions.not(b),c)};goog.iter.range=function(a,b,c){var d=0,e=a,f=c||1;1<arguments.length&&(d=a,e=+b);if(0==f)throw Error("Range step argument must not be zero");var g=new goog.iter.Iterator;g.next=function(){if(0<f&&d>=e||0>f&&d<=e)throw goog.iter.StopIteration;var a=d;d+=f;return a};return g};goog.iter.join=function(a,b){return goog.iter.toArray(a).join(b)};
-goog.iter.map=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=d.next();return b.call(c,a,void 0,d)};return a};goog.iter.reduce=function(a,b,c,d){var e=c;goog.iter.forEach(a,function(a){e=b.call(d,e,a)});return e};goog.iter.some=function(a,b,c){a=goog.iter.toIterator(a);try{for(;;)if(b.call(c,a.next(),void 0,a))return!0}catch(d){if(d!==goog.iter.StopIteration)throw d;}return!1};
-goog.iter.every=function(a,b,c){a=goog.iter.toIterator(a);try{for(;;)if(!b.call(c,a.next(),void 0,a))return!1}catch(d){if(d!==goog.iter.StopIteration)throw d;}return!0};goog.iter.chain=function(a){return goog.iter.chainFromIterable(arguments)};
-goog.iter.chainFromIterable=function(a){var b=goog.iter.toIterator(a);a=new goog.iter.Iterator;var c=null;a.next=function(){for(;;){if(null==c){var a=b.next();c=goog.iter.toIterator(a)}try{return c.next()}catch(e){if(e!==goog.iter.StopIteration)throw e;c=null}}};return a};goog.iter.dropWhile=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;var e=!0;a.next=function(){for(;;){var a=d.next();if(!e||!b.call(c,a,void 0,d))return e=!1,a}};return a};
-goog.iter.takeWhile=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=d.next();if(b.call(c,a,void 0,d))return a;throw goog.iter.StopIteration;};return a};goog.iter.toArray=function(a){if(goog.isArrayLike(a))return goog.array.toArray(a);a=goog.iter.toIterator(a);var b=[];goog.iter.forEach(a,function(a){b.push(a)});return b};
-goog.iter.equals=function(a,b,c){a=goog.iter.zipLongest({},a,b);var d=c||goog.array.defaultCompareEquality;return goog.iter.every(a,function(a){return d(a[0],a[1])})};goog.iter.nextOrValue=function(a,b){try{return goog.iter.toIterator(a).next()}catch(c){if(c!=goog.iter.StopIteration)throw c;return b}};
-goog.iter.product=function(a){if(goog.array.some(arguments,function(a){return!a.length})||!arguments.length)return new goog.iter.Iterator;var b=new goog.iter.Iterator,c=arguments,d=goog.array.repeat(0,c.length);b.next=function(){if(d){for(var a=goog.array.map(d,function(a,b){return c[b][a]}),b=d.length-1;0<=b;b--){goog.asserts.assert(d);if(d[b]<c[b].length-1){d[b]++;break}if(0==b){d=null;break}d[b]=0}return a}throw goog.iter.StopIteration;};return b};
-goog.iter.cycle=function(a){var b=goog.iter.toIterator(a),c=[],d=0;a=new goog.iter.Iterator;var e=!1;a.next=function(){var a=null;if(!e)try{return a=b.next(),c.push(a),a}catch(g){if(g!=goog.iter.StopIteration||goog.array.isEmpty(c))throw g;e=!0}a=c[d];d=(d+1)%c.length;return a};return a};goog.iter.count=function(a,b){var c=a||0,d=goog.isDef(b)?b:1;a=new goog.iter.Iterator;a.next=function(){var a=c;c+=d;return a};return a};
-goog.iter.repeat=function(a){var b=new goog.iter.Iterator;b.next=goog.functions.constant(a);return b};goog.iter.accumulate=function(a){var b=goog.iter.toIterator(a),c=0;a=new goog.iter.Iterator;a.next=function(){return c+=b.next()};return a};goog.iter.zip=function(a){var b=arguments,c=new goog.iter.Iterator;if(0<b.length){var d=goog.array.map(b,goog.iter.toIterator);c.next=function(){return goog.array.map(d,function(a){return a.next()})}}return c};
-goog.iter.zipLongest=function(a,b){var c=goog.array.slice(arguments,1),d=new goog.iter.Iterator;if(0<c.length){var e=goog.array.map(c,goog.iter.toIterator);d.next=function(){var b=!1,c=goog.array.map(e,function(c){try{var d=c.next();b=!0}catch(l){if(l!==goog.iter.StopIteration)throw l;d=a}return d});if(!b)throw goog.iter.StopIteration;return c}}return d};goog.iter.compress=function(a,b){var c=goog.iter.toIterator(b);return goog.iter.filter(a,function(){return!!c.next()})};
-goog.iter.GroupByIterator_=function(a,b){this.iterator=goog.iter.toIterator(a);this.keyFunc=b||goog.functions.identity};goog.inherits(goog.iter.GroupByIterator_,goog.iter.Iterator);goog.iter.GroupByIterator_.prototype.next=function(){for(;this.currentKey==this.targetKey;)this.currentValue=this.iterator.next(),this.currentKey=this.keyFunc(this.currentValue);this.targetKey=this.currentKey;return[this.currentKey,this.groupItems_(this.targetKey)]};
-goog.iter.GroupByIterator_.prototype.groupItems_=function(a){for(var b=[];this.currentKey==a;){b.push(this.currentValue);try{this.currentValue=this.iterator.next()}catch(c){if(c!==goog.iter.StopIteration)throw c;break}this.currentKey=this.keyFunc(this.currentValue)}return b};goog.iter.groupBy=function(a,b){return new goog.iter.GroupByIterator_(a,b)};
-goog.iter.starMap=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=goog.iter.toArray(d.next());return b.apply(c,goog.array.concat(a,void 0,d))};return a};
-goog.iter.tee=function(a,b){var c=goog.iter.toIterator(a);a=goog.isNumber(b)?b:2;var d=goog.array.map(goog.array.range(a),function(){return[]}),e=function(){var a=c.next();goog.array.forEach(d,function(b){b.push(a)})};return goog.array.map(d,function(a){var b=new goog.iter.Iterator;b.next=function(){goog.array.isEmpty(a)&&e();goog.asserts.assert(!goog.array.isEmpty(a));return a.shift()};return b})};goog.iter.enumerate=function(a,b){return goog.iter.zip(goog.iter.count(b),a)};
-goog.iter.limit=function(a,b){goog.asserts.assert(goog.math.isInt(b)&&0<=b);var c=goog.iter.toIterator(a);a=new goog.iter.Iterator;var d=b;a.next=function(){if(0<d--)return c.next();throw goog.iter.StopIteration;};return a};goog.iter.consume=function(a,b){goog.asserts.assert(goog.math.isInt(b)&&0<=b);for(a=goog.iter.toIterator(a);0<b--;)goog.iter.nextOrValue(a,null);return a};
-goog.iter.slice=function(a,b,c){goog.asserts.assert(goog.math.isInt(b)&&0<=b);a=goog.iter.consume(a,b);goog.isNumber(c)&&(goog.asserts.assert(goog.math.isInt(c)&&c>=b),a=goog.iter.limit(a,c-b));return a};goog.iter.hasDuplicates_=function(a){var b=[];goog.array.removeDuplicates(a,b);return a.length!=b.length};goog.iter.permutations=function(a,b){a=goog.iter.toArray(a);b=goog.isNumber(b)?b:a.length;b=goog.array.repeat(a,b);b=goog.iter.product.apply(void 0,b);return goog.iter.filter(b,function(a){return!goog.iter.hasDuplicates_(a)})};
-goog.iter.combinations=function(a,b){function c(a){return d[a]}var d=goog.iter.toArray(a);a=goog.iter.range(d.length);b=goog.iter.permutations(a,b);var e=goog.iter.filter(b,function(a){return goog.array.isSorted(a)});b=new goog.iter.Iterator;b.next=function(){return goog.array.map(e.next(),c)};return b};
-goog.iter.combinationsWithReplacement=function(a,b){function c(a){return d[a]}var d=goog.iter.toArray(a);a=goog.array.range(d.length);b=goog.array.repeat(a,b);b=goog.iter.product.apply(void 0,b);var e=goog.iter.filter(b,function(a){return goog.array.isSorted(a)});b=new goog.iter.Iterator;b.next=function(){return goog.array.map(e.next(),c)};return b};goog.dom.TagWalkType={START_TAG:1,OTHER:0,END_TAG:-1};goog.dom.TagIterator=function(a,b,c,d,e){this.reversed=!!b;this.node=null;this.tagType=goog.dom.TagWalkType.OTHER;this.started_=!1;this.constrained=!c;a&&this.setPosition(a,d);this.depth=void 0!=e?e:this.tagType||0;this.reversed&&(this.depth*=-1)};goog.inherits(goog.dom.TagIterator,goog.iter.Iterator);
-goog.dom.TagIterator.prototype.setPosition=function(a,b,c){if(this.node=a)goog.isNumber(b)?this.tagType=b:this.tagType=this.node.nodeType!=goog.dom.NodeType.ELEMENT?goog.dom.TagWalkType.OTHER:this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;goog.isNumber(c)&&(this.depth=c)};goog.dom.TagIterator.prototype.copyFrom=function(a){this.node=a.node;this.tagType=a.tagType;this.depth=a.depth;this.reversed=a.reversed;this.constrained=a.constrained};
-goog.dom.TagIterator.prototype.clone=function(){return new goog.dom.TagIterator(this.node,this.reversed,!this.constrained,this.tagType,this.depth)};goog.dom.TagIterator.prototype.skipTag=function(){var a=this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;this.tagType==a&&(this.tagType=-1*a,this.depth+=this.tagType*(this.reversed?-1:1))};
-goog.dom.TagIterator.prototype.restartTag=function(){var a=this.reversed?goog.dom.TagWalkType.START_TAG:goog.dom.TagWalkType.END_TAG;this.tagType==a&&(this.tagType=-1*a,this.depth+=this.tagType*(this.reversed?-1:1))};
-goog.dom.TagIterator.prototype.next=function(){if(this.started_){if(!this.node||this.constrained&&0==this.depth)throw goog.iter.StopIteration;var a=this.node;var b=this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;if(this.tagType==b){var c=this.reversed?a.lastChild:a.firstChild;c?this.setPosition(c):this.setPosition(a,-1*b)}else(c=this.reversed?a.previousSibling:a.nextSibling)?this.setPosition(c):this.setPosition(a.parentNode,-1*b);this.depth+=this.tagType*(this.reversed?-1:
-1)}else this.started_=!0;a=this.node;if(!this.node)throw goog.iter.StopIteration;return a};goog.dom.TagIterator.prototype.isStarted=function(){return this.started_};goog.dom.TagIterator.prototype.isStartTag=function(){return this.tagType==goog.dom.TagWalkType.START_TAG};goog.dom.TagIterator.prototype.isEndTag=function(){return this.tagType==goog.dom.TagWalkType.END_TAG};goog.dom.TagIterator.prototype.isNonElement=function(){return this.tagType==goog.dom.TagWalkType.OTHER};
-goog.dom.TagIterator.prototype.equals=function(a){return a.node==this.node&&(!this.node||a.tagType==this.tagType)};goog.dom.TagIterator.prototype.splice=function(a){var b=this.node;this.restartTag();this.reversed=!this.reversed;goog.dom.TagIterator.prototype.next.call(this);this.reversed=!this.reversed;for(var c=goog.isArrayLike(arguments[0])?arguments[0]:arguments,d=c.length-1;0<=d;d--)goog.dom.insertSiblingAfter(c[d],b);goog.dom.removeNode(b)};goog.dom.NodeIterator=function(a,b,c,d){goog.dom.TagIterator.call(this,a,b,c,null,d)};goog.inherits(goog.dom.NodeIterator,goog.dom.TagIterator);goog.dom.NodeIterator.prototype.next=function(){do goog.dom.NodeIterator.superClass_.next.call(this);while(this.isEndTag());return this.node};goog.ui.PaletteRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.PaletteRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.PaletteRenderer);goog.ui.PaletteRenderer.cellId_=0;goog.ui.PaletteRenderer.CSS_CLASS="goog-palette";goog.ui.PaletteRenderer.prototype.createDom=function(a){var b=this.getClassNames(a);a=a.getDomHelper().createDom("DIV",b,this.createGrid(a.getContent(),a.getSize(),a.getDomHelper()));goog.a11y.aria.setRole(a,goog.a11y.aria.Role.GRID);return a};
-goog.ui.PaletteRenderer.prototype.createGrid=function(a,b,c){for(var d=[],e=0,f=0;e<b.height;e++){for(var g=[],h=0;h<b.width;h++){var k=a&&a[f++];g.push(this.createCell(k,c))}d.push(this.createRow(g,c))}return this.createTable(d,c)};goog.ui.PaletteRenderer.prototype.createTable=function(a,b){a=b.createDom("TABLE",this.getCssClass()+"-table",b.createDom("TBODY",this.getCssClass()+"-body",a));a.cellSpacing="0";a.cellPadding="0";return a};
-goog.ui.PaletteRenderer.prototype.createRow=function(a,b){a=b.createDom("TR",this.getCssClass()+"-row",a);goog.a11y.aria.setRole(a,goog.a11y.aria.Role.ROW);return a};
-goog.ui.PaletteRenderer.prototype.createCell=function(a,b){a=b.createDom("TD",{"class":this.getCssClass()+"-cell",id:this.getCssClass()+"-cell-"+goog.ui.PaletteRenderer.cellId_++},a);goog.a11y.aria.setRole(a,goog.a11y.aria.Role.GRIDCELL);goog.a11y.aria.setState(a,goog.a11y.aria.State.SELECTED,!1);goog.dom.getTextContent(a)||goog.a11y.aria.getLabel(a)||(b=this.findAriaLabelForCell_(a))&&goog.a11y.aria.setLabel(a,b);return a};
-goog.ui.PaletteRenderer.prototype.findAriaLabelForCell_=function(a){a=new goog.dom.NodeIterator(a);for(var b="",c;!b&&(c=goog.iter.nextOrValue(a,null));)c.nodeType==goog.dom.NodeType.ELEMENT&&(b=goog.a11y.aria.getLabel(c)||c.title);return b};goog.ui.PaletteRenderer.prototype.canDecorate=function(a){return!1};goog.ui.PaletteRenderer.prototype.decorate=function(a,b){return null};
-goog.ui.PaletteRenderer.prototype.setContent=function(a,b){if(a){var c=goog.dom.getElementsByTagNameAndClass("TBODY",this.getCssClass()+"-body",a)[0];if(c){var d=0;goog.array.forEach(c.rows,function(a){goog.array.forEach(a.cells,function(a){goog.dom.removeChildren(a);if(b){var c=b[d++];c&&goog.dom.appendChild(a,c)}})});if(d<b.length){for(var e=[],f=goog.dom.getDomHelper(a),g=c.rows[0].cells.length;d<b.length;){var h=b[d++];e.push(this.createCell(h,f));e.length==g&&(h=this.createRow(e,f),goog.dom.appendChild(c,
-h),e.length=0)}if(0<e.length){for(;e.length<g;)e.push(this.createCell("",f));h=this.createRow(e,f);goog.dom.appendChild(c,h)}}}goog.style.setUnselectable(a,!0,goog.userAgent.GECKO)}};goog.ui.PaletteRenderer.prototype.getContainingItem=function(a,b){for(a=a.getElement();b&&b.nodeType==goog.dom.NodeType.ELEMENT&&b!=a;){if("TD"==b.tagName&&goog.dom.classlist.contains(b,this.getCssClass()+"-cell"))return b.firstChild;b=b.parentNode}return null};
-goog.ui.PaletteRenderer.prototype.highlightCell=function(a,b,c){b&&(b=this.getCellForItem(b),goog.asserts.assert(b),goog.dom.classlist.enable(b,this.getCssClass()+"-cell-hover",c),c?goog.a11y.aria.setState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT,b.id):b.id==goog.a11y.aria.getState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT)&&goog.a11y.aria.removeState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT))};
-goog.ui.PaletteRenderer.prototype.getCellForItem=function(a){return a?a.parentNode:null};goog.ui.PaletteRenderer.prototype.selectCell=function(a,b,c){b&&(a=b.parentNode,goog.dom.classlist.enable(a,this.getCssClass()+"-cell-selected",c),goog.a11y.aria.setState(a,goog.a11y.aria.State.SELECTED,c))};goog.ui.PaletteRenderer.prototype.getCssClass=function(){return goog.ui.PaletteRenderer.CSS_CLASS};goog.ui.SelectionModel=function(a){goog.events.EventTarget.call(this);this.items_=[];this.addItems(a)};goog.inherits(goog.ui.SelectionModel,goog.events.EventTarget);goog.tagUnsealableClass(goog.ui.SelectionModel);goog.ui.SelectionModel.prototype.selectedItem_=null;goog.ui.SelectionModel.prototype.selectionHandler_=null;goog.ui.SelectionModel.prototype.getSelectionHandler=function(){return this.selectionHandler_};
-goog.ui.SelectionModel.prototype.setSelectionHandler=function(a){this.selectionHandler_=a};goog.ui.SelectionModel.prototype.getItemCount=function(){return this.items_.length};goog.ui.SelectionModel.prototype.indexOfItem=function(a){return a?goog.array.indexOf(this.items_,a):-1};goog.ui.SelectionModel.prototype.getFirst=function(){return this.items_[0]};goog.ui.SelectionModel.prototype.getLast=function(){return this.items_[this.items_.length-1]};
-goog.ui.SelectionModel.prototype.getItemAt=function(a){return this.items_[a]||null};goog.ui.SelectionModel.prototype.addItems=function(a){a&&(goog.array.forEach(a,function(a){this.selectItem_(a,!1)},this),goog.array.extend(this.items_,a))};goog.ui.SelectionModel.prototype.addItem=function(a){this.addItemAt(a,this.getItemCount())};goog.ui.SelectionModel.prototype.addItemAt=function(a,b){a&&(this.selectItem_(a,!1),goog.array.insertAt(this.items_,a,b))};
-goog.ui.SelectionModel.prototype.removeItem=function(a){a&&goog.array.remove(this.items_,a)&&a==this.selectedItem_&&(this.selectedItem_=null,this.dispatchEvent(goog.events.EventType.SELECT))};goog.ui.SelectionModel.prototype.removeItemAt=function(a){this.removeItem(this.getItemAt(a))};goog.ui.SelectionModel.prototype.getSelectedItem=function(){return this.selectedItem_};goog.ui.SelectionModel.prototype.getItems=function(){return goog.array.clone(this.items_)};
-goog.ui.SelectionModel.prototype.setSelectedItem=function(a){a!=this.selectedItem_&&(this.selectItem_(this.selectedItem_,!1),this.selectedItem_=a,this.selectItem_(a,!0));this.dispatchEvent(goog.events.EventType.SELECT)};goog.ui.SelectionModel.prototype.getSelectedIndex=function(){return this.indexOfItem(this.selectedItem_)};goog.ui.SelectionModel.prototype.setSelectedIndex=function(a){this.setSelectedItem(this.getItemAt(a))};
-goog.ui.SelectionModel.prototype.clear=function(){goog.array.clear(this.items_);this.selectedItem_=null};goog.ui.SelectionModel.prototype.disposeInternal=function(){goog.ui.SelectionModel.superClass_.disposeInternal.call(this);delete this.items_;this.selectedItem_=null};goog.ui.SelectionModel.prototype.selectItem_=function(a,b){a&&("function"==typeof this.selectionHandler_?this.selectionHandler_(a,b):"function"==typeof a.setSelected&&a.setSelected(b))};goog.ui.Palette=function(a,b,c){goog.ui.Control.call(this,a,b||goog.ui.PaletteRenderer.getInstance(),c);this.setAutoStates(goog.ui.Component.State.CHECKED|goog.ui.Component.State.SELECTED|goog.ui.Component.State.OPENED,!1);this.currentCellControl_=new goog.ui.Palette.CurrentCell_;this.currentCellControl_.setParentEventTarget(this);this.lastHighlightedIndex_=-1};goog.inherits(goog.ui.Palette,goog.ui.Control);goog.tagUnsealableClass(goog.ui.Palette);goog.ui.Palette.EventType={AFTER_HIGHLIGHT:goog.events.getUniqueId("afterhighlight")};
-goog.ui.Palette.prototype.size_=null;goog.ui.Palette.prototype.highlightedIndex_=-1;goog.ui.Palette.prototype.selectionModel_=null;goog.ui.Palette.prototype.disposeInternal=function(){goog.ui.Palette.superClass_.disposeInternal.call(this);this.selectionModel_&&(this.selectionModel_.dispose(),this.selectionModel_=null);this.size_=null;this.currentCellControl_.dispose()};
-goog.ui.Palette.prototype.setContentInternal=function(a){goog.ui.Palette.superClass_.setContentInternal.call(this,a);this.adjustSize_();this.selectionModel_?(this.selectionModel_.clear(),this.selectionModel_.addItems(a)):(this.selectionModel_=new goog.ui.SelectionModel(a),this.selectionModel_.setSelectionHandler(goog.bind(this.selectItem_,this)),this.getHandler().listen(this.selectionModel_,goog.events.EventType.SELECT,this.handleSelectionChange));this.highlightedIndex_=-1};
-goog.ui.Palette.prototype.getCaption=function(){return""};goog.ui.Palette.prototype.setCaption=function(a){};goog.ui.Palette.prototype.handleMouseOver=function(a){goog.ui.Palette.superClass_.handleMouseOver.call(this,a);var b=this.getRenderer().getContainingItem(this,a.target);b&&a.relatedTarget&&goog.dom.contains(b,a.relatedTarget)||b!=this.getHighlightedItem()&&this.setHighlightedItem(b)};
-goog.ui.Palette.prototype.handleMouseDown=function(a){goog.ui.Palette.superClass_.handleMouseDown.call(this,a);this.isActive()&&(a=this.getRenderer().getContainingItem(this,a.target),a!=this.getHighlightedItem()&&this.setHighlightedItem(a))};goog.ui.Palette.prototype.performActionInternal=function(a){var b=this.getHighlightedItem();return b?(a&&this.shouldSelectHighlightedItem_(a)&&this.setSelectedItem(b),goog.ui.Palette.superClass_.performActionInternal.call(this,a)):!1};
-goog.ui.Palette.prototype.shouldSelectHighlightedItem_=function(a){return this.getSelectedItem()?"mouseup"!=a.type?!0:!!this.getRenderer().getContainingItem(this,a.target):!0};
-goog.ui.Palette.prototype.handleKeyEvent=function(a){var b=this.getContent();b=b?b.length:0;var c=this.size_.width;if(0==b||!this.isEnabled())return!1;if(a.keyCode==goog.events.KeyCodes.ENTER||a.keyCode==goog.events.KeyCodes.SPACE)return this.performActionInternal(a);if(a.keyCode==goog.events.KeyCodes.HOME)return this.setHighlightedIndex(0),!0;if(a.keyCode==goog.events.KeyCodes.END)return this.setHighlightedIndex(b-1),!0;var d=0>this.highlightedIndex_?this.getSelectedIndex():this.highlightedIndex_;
-switch(a.keyCode){case goog.events.KeyCodes.LEFT:if(-1==d||0==d)d=b;this.setHighlightedIndex(d-1);a.preventDefault();return!0;case goog.events.KeyCodes.RIGHT:return d==b-1&&(d=-1),this.setHighlightedIndex(d+1),a.preventDefault(),!0;case goog.events.KeyCodes.UP:-1==d&&(d=b+c-1);if(d>=c)return this.setHighlightedIndex(d-c),a.preventDefault(),!0;break;case goog.events.KeyCodes.DOWN:if(-1==d&&(d=-c),d<b-c)return this.setHighlightedIndex(d+c),a.preventDefault(),!0}return!1};
-goog.ui.Palette.prototype.handleSelectionChange=function(a){};goog.ui.Palette.prototype.getSize=function(){return this.size_};goog.ui.Palette.prototype.setSize=function(a,b){if(this.getElement())throw Error(goog.ui.Component.Error.ALREADY_RENDERED);this.size_=goog.isNumber(a)?new goog.math.Size(a,b):a;this.adjustSize_()};goog.ui.Palette.prototype.getHighlightedIndex=function(){return this.highlightedIndex_};
-goog.ui.Palette.prototype.getHighlightedItem=function(){var a=this.getContent();return a&&a[this.highlightedIndex_]};goog.ui.Palette.prototype.getHighlightedCellElement_=function(){return this.getRenderer().getCellForItem(this.getHighlightedItem())};goog.ui.Palette.prototype.setHighlightedIndex=function(a){a!=this.highlightedIndex_&&(this.highlightIndex_(this.highlightedIndex_,!1),this.lastHighlightedIndex_=this.highlightedIndex_,this.highlightedIndex_=a,this.highlightIndex_(a,!0),this.dispatchEvent(goog.ui.Palette.EventType.AFTER_HIGHLIGHT))};
-goog.ui.Palette.prototype.setHighlightedItem=function(a){var b=this.getContent();this.setHighlightedIndex(b&&a?goog.array.indexOf(b,a):-1)};goog.ui.Palette.prototype.getSelectedIndex=function(){return this.selectionModel_?this.selectionModel_.getSelectedIndex():-1};goog.ui.Palette.prototype.getSelectedItem=function(){return this.selectionModel_?this.selectionModel_.getSelectedItem():null};goog.ui.Palette.prototype.setSelectedIndex=function(a){this.selectionModel_&&this.selectionModel_.setSelectedIndex(a)};
-goog.ui.Palette.prototype.setSelectedItem=function(a){this.selectionModel_&&this.selectionModel_.setSelectedItem(a)};goog.ui.Palette.prototype.highlightIndex_=function(a,b){if(this.getElement()){var c=this.getContent();if(c&&0<=a&&a<c.length){var d=this.getHighlightedCellElement_();this.currentCellControl_.getElement()!=d&&this.currentCellControl_.setElementInternal(d);this.currentCellControl_.tryHighlight(b)&&this.getRenderer().highlightCell(this,c[a],b)}}};
-goog.ui.Palette.prototype.setHighlighted=function(a){a&&-1==this.highlightedIndex_?this.setHighlightedIndex(-1<this.lastHighlightedIndex_?this.lastHighlightedIndex_:0):a||this.setHighlightedIndex(-1);goog.ui.Palette.superClass_.setHighlighted.call(this,a)};goog.ui.Palette.prototype.selectItem_=function(a,b){this.getElement()&&this.getRenderer().selectCell(this,a,b)};
-goog.ui.Palette.prototype.adjustSize_=function(){var a=this.getContent();if(a)if(this.size_&&this.size_.width){if(a=Math.ceil(a.length/this.size_.width),!goog.isNumber(this.size_.height)||this.size_.height<a)this.size_.height=a}else a=Math.ceil(Math.sqrt(a.length)),this.size_=new goog.math.Size(a,a);else this.size_=new goog.math.Size(0,0)};goog.ui.Palette.CurrentCell_=function(){goog.ui.Control.call(this,null);this.setDispatchTransitionEvents(goog.ui.Component.State.HOVER,!0)};
-goog.inherits(goog.ui.Palette.CurrentCell_,goog.ui.Control);goog.ui.Palette.CurrentCell_.prototype.tryHighlight=function(a){this.setHighlighted(a);return this.isHighlighted()==a};goog.ui.ColorPalette=function(a,b,c){this.colors_=a||[];goog.ui.Palette.call(this,null,b||goog.ui.PaletteRenderer.getInstance(),c);this.setColors(this.colors_)};goog.inherits(goog.ui.ColorPalette,goog.ui.Palette);goog.tagUnsealableClass(goog.ui.ColorPalette);goog.ui.ColorPalette.prototype.normalizedColors_=null;goog.ui.ColorPalette.prototype.labels_=null;goog.ui.ColorPalette.prototype.getColors=function(){return this.colors_};
-goog.ui.ColorPalette.prototype.setColors=function(a,b){this.colors_=a;this.labels_=b||null;this.normalizedColors_=null;this.setContent(this.createColorNodes())};goog.ui.ColorPalette.prototype.getSelectedColor=function(){var a=this.getSelectedItem();return a?(a=goog.style.getStyle(a,"background-color"),goog.ui.ColorPalette.parseColor_(a)):null};
-goog.ui.ColorPalette.prototype.setSelectedColor=function(a){a=goog.ui.ColorPalette.parseColor_(a);this.normalizedColors_||(this.normalizedColors_=goog.array.map(this.colors_,function(a){return goog.ui.ColorPalette.parseColor_(a)}));this.setSelectedIndex(a?goog.array.indexOf(this.normalizedColors_,a):-1)};
-goog.ui.ColorPalette.prototype.createColorNodes=function(){return goog.array.map(this.colors_,function(a,b){var c=this.getDomHelper().createDom("DIV",{"class":this.getRenderer().getCssClass()+"-colorswatch",style:"background-color:"+a});c.title=this.labels_&&this.labels_[b]?this.labels_[b]:"#"==a.charAt(0)?"RGB ("+goog.color.hexToRgb(a).join(", ")+")":a;return c},this)};goog.ui.ColorPalette.parseColor_=function(a){if(a)try{return goog.color.parse(a).hex}catch(b){}return null};goog.ui.ColorPicker=function(a,b){goog.ui.Component.call(this,a);this.colorPalette_=b||null;this.getHandler().listen(this,goog.ui.Component.EventType.ACTION,this.onColorPaletteAction_)};goog.inherits(goog.ui.ColorPicker,goog.ui.Component);goog.ui.ColorPicker.DEFAULT_NUM_COLS=5;goog.ui.ColorPicker.EventType={CHANGE:"change"};goog.ui.ColorPicker.prototype.focusable_=!0;goog.ui.ColorPicker.prototype.getColors=function(){return this.colorPalette_?this.colorPalette_.getColors():null};
-goog.ui.ColorPicker.prototype.setColors=function(a){this.colorPalette_?this.colorPalette_.setColors(a):this.createColorPalette_(a)};goog.ui.ColorPicker.prototype.addColors=function(a){this.setColors(a)};goog.ui.ColorPicker.prototype.setSize=function(a){this.colorPalette_||this.createColorPalette_([]);this.colorPalette_.setSize(a)};goog.ui.ColorPicker.prototype.getSize=function(){return this.colorPalette_?this.colorPalette_.getSize():null};goog.ui.ColorPicker.prototype.setColumnCount=function(a){this.setSize(a)};
-goog.ui.ColorPicker.prototype.getSelectedIndex=function(){return this.colorPalette_?this.colorPalette_.getSelectedIndex():-1};goog.ui.ColorPicker.prototype.setSelectedIndex=function(a){this.colorPalette_&&this.colorPalette_.setSelectedIndex(a)};goog.ui.ColorPicker.prototype.getSelectedColor=function(){return this.colorPalette_?this.colorPalette_.getSelectedColor():null};goog.ui.ColorPicker.prototype.setSelectedColor=function(a){this.colorPalette_&&this.colorPalette_.setSelectedColor(a)};
-goog.ui.ColorPicker.prototype.isFocusable=function(){return this.focusable_};goog.ui.ColorPicker.prototype.setFocusable=function(a){this.focusable_=a;this.colorPalette_&&this.colorPalette_.setSupportedState(goog.ui.Component.State.FOCUSED,a)};goog.ui.ColorPicker.prototype.canDecorate=function(a){return!1};
-goog.ui.ColorPicker.prototype.enterDocument=function(){goog.ui.ColorPicker.superClass_.enterDocument.call(this);this.colorPalette_&&this.colorPalette_.render(this.getElement());this.getElement().unselectable="on"};goog.ui.ColorPicker.prototype.disposeInternal=function(){goog.ui.ColorPicker.superClass_.disposeInternal.call(this);this.colorPalette_&&(this.colorPalette_.dispose(),this.colorPalette_=null)};goog.ui.ColorPicker.prototype.focus=function(){this.colorPalette_&&this.colorPalette_.getElement().focus()};
-goog.ui.ColorPicker.prototype.onColorPaletteAction_=function(a){a.stopPropagation();this.dispatchEvent(goog.ui.ColorPicker.EventType.CHANGE)};goog.ui.ColorPicker.prototype.createColorPalette_=function(a){a=new goog.ui.ColorPalette(a,null,this.getDomHelper());a.setSize(goog.ui.ColorPicker.DEFAULT_NUM_COLS);a.setSupportedState(goog.ui.Component.State.FOCUSED,this.focusable_);this.addChild(a);this.colorPalette_=a;this.isInDocument()&&this.colorPalette_.render(this.getElement())};
-goog.ui.ColorPicker.createSimpleColorGrid=function(a){a=new goog.ui.ColorPicker(a);a.setSize(7);a.setColors(goog.ui.ColorPicker.SIMPLE_GRID_COLORS);return a};goog.ui.ColorPicker.SIMPLE_GRID_COLORS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");goog.events.FocusHandler=function(a){goog.events.EventTarget.call(this);this.element_=a;a=goog.userAgent.IE?"focusout":"blur";this.listenKeyIn_=goog.events.listen(this.element_,goog.userAgent.IE?"focusin":"focus",this,!goog.userAgent.IE);this.listenKeyOut_=goog.events.listen(this.element_,a,this,!goog.userAgent.IE)};goog.inherits(goog.events.FocusHandler,goog.events.EventTarget);goog.events.FocusHandler.EventType={FOCUSIN:"focusin",FOCUSOUT:"focusout"};
+goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass("DIV",b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.events.FocusHandler=function(a){goog.events.EventTarget.call(this);this.element_=a;a=goog.userAgent.IE?"focusout":"blur";this.listenKeyIn_=goog.events.listen(this.element_,goog.userAgent.IE?"focusin":"focus",this,!goog.userAgent.IE);this.listenKeyOut_=goog.events.listen(this.element_,a,this,!goog.userAgent.IE)};goog.inherits(goog.events.FocusHandler,goog.events.EventTarget);goog.events.FocusHandler.EventType={FOCUSIN:"focusin",FOCUSOUT:"focusout"};
 goog.events.FocusHandler.prototype.handleEvent=function(a){var b=a.getBrowserEvent();b=new goog.events.BrowserEvent(b);b.type="focusin"==a.type||"focus"==a.type?goog.events.FocusHandler.EventType.FOCUSIN:goog.events.FocusHandler.EventType.FOCUSOUT;this.dispatchEvent(b)};goog.events.FocusHandler.prototype.disposeInternal=function(){goog.events.FocusHandler.superClass_.disposeInternal.call(this);goog.events.unlistenByKey(this.listenKeyIn_);goog.events.unlistenByKey(this.listenKeyOut_);delete this.element_};goog.debug.LogRecord=function(a,b,c,d,e){this.reset(a,b,c,d,e)};goog.debug.LogRecord.prototype.sequenceNumber_=0;goog.debug.LogRecord.prototype.exception_=null;goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS=!0;goog.debug.LogRecord.nextSequenceNumber_=0;
 goog.debug.LogRecord.prototype.reset=function(a,b,c,d,e){goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS&&(this.sequenceNumber_="number"==typeof e?e:goog.debug.LogRecord.nextSequenceNumber_++);this.time_=d||goog.now();this.level_=a;this.msg_=b;this.loggerName_=c;delete this.exception_};goog.debug.LogRecord.prototype.getLoggerName=function(){return this.loggerName_};goog.debug.LogRecord.prototype.getException=function(){return this.exception_};
 goog.debug.LogRecord.prototype.setException=function(a){this.exception_=a};goog.debug.LogRecord.prototype.setLoggerName=function(a){this.loggerName_=a};goog.debug.LogRecord.prototype.getLevel=function(){return this.level_};goog.debug.LogRecord.prototype.setLevel=function(a){this.level_=a};goog.debug.LogRecord.prototype.getMessage=function(){return this.msg_};goog.debug.LogRecord.prototype.setMessage=function(a){this.msg_=a};goog.debug.LogRecord.prototype.getMillis=function(){return this.time_};
@@ -917,21 +865,43 @@ goog.ui.tree.TreeControl.prototype.handleMouseEvent_=function(a){goog.log.fine(t
 goog.ui.tree.TreeControl.prototype.handleKeyEvent=function(a){var b;(b=this.typeAhead_.handleNavigation(a)||this.selectedItem_&&this.selectedItem_.onKeyDown(a)||this.typeAhead_.handleTypeAheadChar(a))&&a.preventDefault();return b};goog.ui.tree.TreeControl.prototype.getNodeFromEvent_=function(a){for(var b=a.target;null!=b;){if(a=goog.ui.tree.BaseNode.allNodes[b.id])return a;if(b==this.getElement())break;b=b.parentNode}return null};
 goog.ui.tree.TreeControl.prototype.createNode=function(a){return new goog.ui.tree.TreeNode(a||goog.html.SafeHtml.EMPTY,this.getConfig(),this.getDomHelper())};goog.ui.tree.TreeControl.prototype.setNode=function(a){this.typeAhead_.setNodeInMap(a)};goog.ui.tree.TreeControl.prototype.removeNode=function(a){this.typeAhead_.removeNodeFromMap(a)};goog.ui.tree.TreeControl.prototype.clearTypeAhead=function(){this.typeAhead_.clear()};goog.ui.tree.TreeControl.defaultConfig=goog.ui.tree.BaseNode.defaultConfig;
 var Blockly={};Blockly.Blocks=Object(null);
+Blockly.utils={};Blockly.utils.removeAttribute=function(a,b){goog.userAgent.IE&&goog.userAgent.isVersion("10.0")?a.setAttribute(b,null):a.removeAttribute(b)};Blockly.utils.addClass=function(a,b){var c=a.getAttribute("class")||"";if(-1!=(" "+c+" ").indexOf(" "+b+" "))return!1;c&&(c+=" ");a.setAttribute("class",c+b);return!0};
+Blockly.utils.removeClass=function(a,b){var c=a.getAttribute("class");if(-1==(" "+c+" ").indexOf(" "+b+" "))return!1;c=c.split(/\s+/);for(var d=0;d<c.length;d++)c[d]&&c[d]!=b||(c.splice(d,1),d--);c.length?a.setAttribute("class",c.join(" ")):Blockly.utils.removeAttribute(a,"class");return!0};Blockly.utils.hasClass=function(a,b){return-1!=(" "+a.getAttribute("class")+" ").indexOf(" "+b+" ")};Blockly.utils.noEvent=function(a){a.preventDefault();a.stopPropagation()};
+Blockly.utils.isTargetInput=function(a){return"textarea"==a.target.type||"text"==a.target.type||"number"==a.target.type||"email"==a.target.type||"password"==a.target.type||"search"==a.target.type||"tel"==a.target.type||"url"==a.target.type||a.target.isContentEditable};
+Blockly.utils.getRelativeXY=function(a){var b=new goog.math.Coordinate(0,0),c=a.getAttribute("x");c&&(b.x=parseInt(c,10));if(c=a.getAttribute("y"))b.y=parseInt(c,10);if(c=(c=a.getAttribute("transform"))&&c.match(Blockly.utils.getRelativeXY.XY_REGEX_))b.x+=parseFloat(c[1]),c[3]&&(b.y+=parseFloat(c[3]));(a=a.getAttribute("style"))&&-1<a.indexOf("translate")&&((c=a.match(Blockly.utils.getRelativeXY.XY_2D_REGEX_))||(c=a.match(Blockly.utils.getRelativeXY.XY_3D_REGEX_)),c&&(b.x+=parseFloat(c[1]),c[3]&&
+(b.y+=parseFloat(c[3]))));return b};Blockly.utils.getInjectionDivXY_=function(a){for(var b=0,c=0;a;){var d=Blockly.utils.getRelativeXY(a);b+=d.x;c+=d.y;if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv "))break;a=a.parentNode}return new goog.math.Coordinate(b,c)};Blockly.utils.getRelativeXY.XY_REGEX_=/translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*\))?/;Blockly.utils.getRelativeXY.XY_3D_REGEX_=/transform:\s*translate3d\(\s*([-+\d.e]+)px([ ,]\s*([-+\d.e]+)\s*)px([ ,]\s*([-+\d.e]+)\s*)px\)?/;
+Blockly.utils.getRelativeXY.XY_2D_REGEX_=/transform:\s*translate\(\s*([-+\d.e]+)px([ ,]\s*([-+\d.e]+)\s*)px\)?/;Blockly.utils.createSvgElement=function(a,b,c){a=document.createElementNS(Blockly.SVG_NS,a);for(var d in b)a.setAttribute(d,b[d]);document.body.runtimeStyle&&(a.runtimeStyle=a.currentStyle=a.style);c&&c.appendChild(a);return a};Blockly.utils.isRightButton=function(a){return a.ctrlKey&&goog.userAgent.MAC?!0:2==a.button};
+Blockly.utils.mouseToSvg=function(a,b,c){var d=b.createSVGPoint();d.x=a.clientX;d.y=a.clientY;c||(c=b.getScreenCTM().inverse());return d.matrixTransform(c)};Blockly.utils.shortestStringLength=function(a){return a.length?a.reduce(function(a,c){return a.length<c.length?a:c}).length:0};
+Blockly.utils.commonWordPrefix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0][d],f=1;f<a.length;f++)if(e!=a[f][d])return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f][d])&&" "!=e)return c;return b};
+Blockly.utils.commonWordSuffix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0].substr(-d-1,1),f=1;f<a.length;f++)if(e!=a[f].substr(-d-1,1))return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f].charAt(a[f].length-d-1))&&" "!=e)return c;return b};Blockly.utils.tokenizeInterpolation=function(a){return Blockly.utils.tokenizeInterpolation_(a,!0)};
+Blockly.utils.replaceMessageReferences=function(a){if("string"!=typeof a)return a;a=Blockly.utils.tokenizeInterpolation_(a,!1);return a.length?a[0]:""};
+Blockly.utils.checkMessageReferences=function(a){for(var b=!0,c=Blockly.Msg,d=/%{(BKY_[A-Z][A-Z0-9_]*)}/gi,e=d.exec(a);e;){var f=e[1];f=f.toUpperCase();"BKY_"!=f.substr(0,4)?(console.log("WARNING: Unsupported message table prefix in %{"+e[1]+"}."),b=!1):void 0==c[f.substr(4)]&&(console.log("WARNING: No message string for %{"+e[1]+"}."),b=!1);a=a.substring(e.index+f.length+1);e=d.exec(a)}return b};
+Blockly.utils.tokenizeInterpolation_=function(a,b){var c=[],d=a.split("");d.push("");var e=0;a=[];for(var f=null,g=0;g<d.length;g++){var h=d[g];0==e?"%"==h?((h=a.join(""))&&c.push(h),a.length=0,e=1):a.push(h):1==e?"%"==h?(a.push(h),e=0):b&&"0"<=h&&"9">=h?(e=2,f=h,(h=a.join(""))&&c.push(h),a.length=0):"{"==h?e=3:(a.push("%",h),e=0):2==e?"0"<=h&&"9">=h?f+=h:(c.push(parseInt(f,10)),g--,e=0):3==e&&(""==h?(a.splice(0,0,"%{"),g--,e=0):"}"!=h?a.push(h):(e=a.join(""),/[a-zA-Z][a-zA-Z0-9_]*/.test(e)?(h=e.toUpperCase(),
+(h=Blockly.utils.startsWith(h,"BKY_")?h.substring(4):null)&&h in Blockly.Msg?(e=Blockly.Msg[h],"string"==typeof e?Array.prototype.push.apply(c,Blockly.utils.tokenizeInterpolation_(e,b)):b?c.push(String(e)):c.push(e)):c.push("%{"+e+"}")):c.push("%{"+e+"}"),e=a.length=0))}(h=a.join(""))&&c.push(h);b=[];for(g=a.length=0;g<c.length;++g)"string"==typeof c[g]?a.push(c[g]):((h=a.join(""))&&b.push(h),a.length=0,b.push(c[g]));(h=a.join(""))&&b.push(h);a.length=0;return b};
+Blockly.utils.genUid=function(){for(var a=Blockly.utils.genUid.soup_.length,b=[],c=0;20>c;c++)b[c]=Blockly.utils.genUid.soup_.charAt(Math.random()*a);return b.join("")};Blockly.utils.genUid.soup_="!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";Blockly.utils.wrap=function(a,b){a=a.split("\n");for(var c=0;c<a.length;c++)a[c]=Blockly.utils.wrapLine_(a[c],b);return a.join("\n")};
+Blockly.utils.wrapLine_=function(a,b){if(a.length<=b)return a;for(var c=a.trim().split(/\s+/),d=0;d<c.length;d++)c[d].length>b&&(b=c[d].length);d=-Infinity;var e=1;do{var f=d;var g=a;a=[];var h=c.length/e,k=1;for(d=0;d<c.length-1;d++)k<(d+1.5)/h?(k++,a[d]=!0):a[d]=!1;a=Blockly.utils.wrapMutate_(c,a,b);d=Blockly.utils.wrapScore_(c,a,b);a=Blockly.utils.wrapToText_(c,a);e++}while(d>f);return g};
+Blockly.utils.wrapScore_=function(a,b,c){for(var d=[0],e=[],f=0;f<a.length;f++)d[d.length-1]+=a[f].length,!0===b[f]?(d.push(0),e.push(a[f].charAt(a[f].length-1))):!1===b[f]&&d[d.length-1]++;a=Math.max.apply(Math,d);for(f=b=0;f<d.length;f++)b-=2*Math.pow(Math.abs(c-d[f]),1.5),b-=Math.pow(a-d[f],1.5),-1!=".?!".indexOf(e[f])?b+=c/3:-1!=",;)]}".indexOf(e[f])&&(b+=c/4);1<d.length&&d[d.length-1]<=d[d.length-2]&&(b+=.5);return b};
+Blockly.utils.wrapMutate_=function(a,b,c){for(var d=Blockly.utils.wrapScore_(a,b,c),e,f=0;f<b.length-1;f++)if(b[f]!=b[f+1]){var g=[].concat(b);g[f]=!g[f];g[f+1]=!g[f+1];var h=Blockly.utils.wrapScore_(a,g,c);h>d&&(d=h,e=g)}return e?Blockly.utils.wrapMutate_(a,e,c):b};Blockly.utils.wrapToText_=function(a,b){for(var c=[],d=0;d<a.length;d++)c.push(a[d]),void 0!==b[d]&&c.push(b[d]?"\n":" ");return c.join("")};
+Blockly.utils.is3dSupported=function(){if(void 0!==Blockly.utils.is3dSupported.cached_)return Blockly.utils.is3dSupported.cached_;if(!goog.global.getComputedStyle)return!1;var a=document.createElement("p"),b="none",c={webkitTransform:"-webkit-transform",OTransform:"-o-transform",msTransform:"-ms-transform",MozTransform:"-moz-transform",transform:"transform"};document.body.insertBefore(a,null);for(var d in c)if(void 0!==a.style[d]){a.style[d]="translate3d(1px,1px,1px)";b=goog.global.getComputedStyle(a);
+if(!b)return document.body.removeChild(a),!1;b=b.getPropertyValue(c[d])}document.body.removeChild(a);Blockly.utils.is3dSupported.cached_="none"!==b;return Blockly.utils.is3dSupported.cached_};Blockly.utils.insertAfter=function(a,b){var c=b.nextSibling;b=b.parentNode;if(!b)throw Error("Reference node has no parent.");c?b.insertBefore(a,c):b.appendChild(a)};
+Blockly.utils.runAfterPageLoad=function(a){if("object"!=typeof document)throw Error("Blockly.utils.runAfterPageLoad() requires browser document.");if("complete"===document.readyState)a();else var b=setInterval(function(){"complete"===document.readyState&&(clearInterval(b),a())},10)};Blockly.utils.setCssTransform=function(a,b){a.style.transform=b;a.style["-webkit-transform"]=b};
+Blockly.utils.getViewportBBox=function(){var a=goog.dom.getViewportSize(),b=goog.style.getViewportPageOffset(document);return{right:a.width+b.x,bottom:a.height+b.y,top:b.y,left:b.x}};Blockly.utils.startsWith=function(a,b){return 0==a.lastIndexOf(b,0)};Blockly.utils.arrayRemove=function(a,b){b=a.indexOf(b);if(-1==b)return!1;a.splice(b,1);return!0};Blockly.utils.toRadians=function(a){return a*Math.PI/180};Blockly.utils.toDegrees=function(a){return 180*a/Math.PI};
+Blockly.utils.containsNode=function(a,b){return!!(a.compareDocumentPosition(b)&Node.DOCUMENT_POSITION_CONTAINED_BY)};
 Blockly.Touch={};Blockly.Touch.touchIdentifier_=null;Blockly.Touch.TOUCH_MAP={};
 goog.global.PointerEvent?Blockly.Touch.TOUCH_MAP={mousedown:["pointerdown"],mouseenter:["pointerenter"],mouseleave:["pointerleave"],mousemove:["pointermove"],mouseout:["pointerout"],mouseover:["pointerover"],mouseup:["pointerup","pointercancel"],touchend:["pointerup"],touchcancel:["pointercancel"]}:goog.events.BrowserFeature.TOUCH_ENABLED&&(Blockly.Touch.TOUCH_MAP={mousedown:["touchstart"],mousemove:["touchmove"],mouseup:["touchend","touchcancel"]});Blockly.longPid_=0;
 Blockly.longStart_=function(a,b){Blockly.longStop_();a.changedTouches&&1!=a.changedTouches.length||(Blockly.longPid_=setTimeout(function(){a.changedTouches&&(a.button=2,a.clientX=a.changedTouches[0].clientX,a.clientY=a.changedTouches[0].clientY);b&&b.handleRightClick(a)},Blockly.LONGPRESS))};Blockly.longStop_=function(){Blockly.longPid_&&(clearTimeout(Blockly.longPid_),Blockly.longPid_=0)};Blockly.Touch.clearTouchIdentifier=function(){Blockly.Touch.touchIdentifier_=null};
-Blockly.Touch.shouldHandleEvent=function(a){return!Blockly.Touch.isMouseOrTouchEvent(a)||Blockly.Touch.checkTouchIdentifier(a)};Blockly.Touch.getTouchIdentifierFromEvent=function(a){return void 0!=a.pointerId?a.pointerId:a.changedTouches&&a.changedTouches[0]&&void 0!=a.changedTouches[0].identifier&&null!=a.changedTouches[0].identifier?a.changedTouches[0].identifier:"mouse"};
-Blockly.Touch.checkTouchIdentifier=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);return void 0!=Blockly.Touch.touchIdentifier_&&null!=Blockly.Touch.touchIdentifier_?Blockly.Touch.touchIdentifier_==b:"mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type?(Blockly.Touch.touchIdentifier_=b,!0):!1};Blockly.Touch.setClientFromTouch=function(a){if(goog.string.startsWith(a.type,"touch")){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}};
-Blockly.Touch.isMouseOrTouchEvent=function(a){return goog.string.startsWith(a.type,"touch")||goog.string.startsWith(a.type,"mouse")||goog.string.startsWith(a.type,"pointer")};Blockly.Touch.isTouchEvent=function(a){return goog.string.startsWith(a.type,"touch")||goog.string.startsWith(a.type,"pointer")};
+Blockly.Touch.shouldHandleEvent=function(a){return!Blockly.Touch.isMouseOrTouchEvent(a)||Blockly.Touch.checkTouchIdentifier(a)};Blockly.Touch.getTouchIdentifierFromEvent=function(a){return void 0!=a.pointerId?a.pointerId:a.changedTouches&&a.changedTouches[0]&&void 0!==a.changedTouches[0].identifier&&null!==a.changedTouches[0].identifier?a.changedTouches[0].identifier:"mouse"};
+Blockly.Touch.checkTouchIdentifier=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);return void 0!==Blockly.Touch.touchIdentifier_&&null!==Blockly.Touch.touchIdentifier_?Blockly.Touch.touchIdentifier_==b:"mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type?(Blockly.Touch.touchIdentifier_=b,!0):!1};Blockly.Touch.setClientFromTouch=function(a){if(Blockly.utils.startsWith(a.type,"touch")){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}};
+Blockly.Touch.isMouseOrTouchEvent=function(a){return Blockly.utils.startsWith(a.type,"touch")||Blockly.utils.startsWith(a.type,"mouse")||Blockly.utils.startsWith(a.type,"pointer")};Blockly.Touch.isTouchEvent=function(a){return Blockly.utils.startsWith(a.type,"touch")||Blockly.utils.startsWith(a.type,"pointer")};
 Blockly.Touch.splitEventByTouches=function(a){var b=[];if(a.changedTouches)for(var c=0;c<a.changedTouches.length;c++)b[c]={type:a.type,changedTouches:[a.changedTouches[c]],target:a.target,stopPropagation:function(){a.stopPropagation()},preventDefault:function(){a.preventDefault()}};else b.push(a);return b};Blockly.Events={};Blockly.Events.group_="";Blockly.Events.recordUndo=!0;Blockly.Events.disabled_=0;Blockly.Events.CREATE="create";Blockly.Events.BLOCK_CREATE=Blockly.Events.CREATE;Blockly.Events.DELETE="delete";Blockly.Events.BLOCK_DELETE=Blockly.Events.DELETE;Blockly.Events.CHANGE="change";Blockly.Events.BLOCK_CHANGE=Blockly.Events.CHANGE;Blockly.Events.MOVE="move";Blockly.Events.BLOCK_MOVE=Blockly.Events.MOVE;Blockly.Events.VAR_CREATE="var_create";Blockly.Events.VAR_DELETE="var_delete";
 Blockly.Events.VAR_RENAME="var_rename";Blockly.Events.UI="ui";Blockly.Events.COMMENT_CREATE="comment_create";Blockly.Events.COMMENT_DELETE="comment_delete";Blockly.Events.COMMENT_CHANGE="comment_change";Blockly.Events.COMMENT_MOVE="comment_move";Blockly.Events.FIRE_QUEUE_=[];Blockly.Events.fire=function(a){Blockly.Events.isEnabled()&&(Blockly.Events.FIRE_QUEUE_.length||setTimeout(Blockly.Events.fireNow_,0),Blockly.Events.FIRE_QUEUE_.push(a))};
 Blockly.Events.fireNow_=function(){for(var a=Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_,!0),b=Blockly.Events.FIRE_QUEUE_.length=0,c;c=a[b];b++){var d=Blockly.Workspace.getById(c.workspaceId);d&&d.fireChangeListener(c)}};
-Blockly.Events.filter=function(a,b){a=goog.array.clone(a);b||a.reverse();for(var c=[],d=Object.create(null),e=0,f;f=a[e];e++)if(!f.isNull()){var g=[f.type,f.blockId,f.workspaceId].join(" "),h=d[g],k=h?h.event:null;h?f.type==Blockly.Events.MOVE&&h.index==e-1?(k.newParentId=f.newParentId,k.newInputName=f.newInputName,k.newCoordinate=f.newCoordinate,h.index=e):f.type==Blockly.Events.CHANGE&&f.element==k.element&&f.name==k.name?k.newValue=f.newValue:f.type!=Blockly.Events.UI||"click"!=f.element||"commentOpen"!=
+Blockly.Events.filter=function(a,b){a=a.slice();b||a.reverse();for(var c=[],d=Object.create(null),e=0,f;f=a[e];e++)if(!f.isNull()){var g=[f.type,f.blockId,f.workspaceId].join(" "),h=d[g],k=h?h.event:null;h?f.type==Blockly.Events.MOVE&&h.index==e-1?(k.newParentId=f.newParentId,k.newInputName=f.newInputName,k.newCoordinate=f.newCoordinate,h.index=e):f.type==Blockly.Events.CHANGE&&f.element==k.element&&f.name==k.name?k.newValue=f.newValue:f.type!=Blockly.Events.UI||"click"!=f.element||"commentOpen"!=
 k.element&&"mutatorOpen"!=k.element&&"warningOpen"!=k.element?(d[g]={event:f,index:1},c.push(f)):k.newValue=f.newValue:(d[g]={event:f,index:e},c.push(f))}a=c.filter(function(a){return!a.isNull()});b||a.reverse();for(e=1;f=a[e];e++)f.type==Blockly.Events.CHANGE&&"mutation"==f.element&&a.unshift(a.splice(e,1)[0]);return a};Blockly.Events.clearPendingUndo=function(){for(var a=0,b;b=Blockly.Events.FIRE_QUEUE_[a];a++)b.recordUndo=!1};Blockly.Events.disable=function(){Blockly.Events.disabled_++};
 Blockly.Events.enable=function(){Blockly.Events.disabled_--};Blockly.Events.isEnabled=function(){return 0==Blockly.Events.disabled_};Blockly.Events.getGroup=function(){return Blockly.Events.group_};Blockly.Events.setGroup=function(a){Blockly.Events.group_="boolean"==typeof a?a?Blockly.utils.genUid():"":a};Blockly.Events.getDescendantIds_=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++)b[c]=d.id;return b};
 Blockly.Events.fromJson=function(a,b){switch(a.type){case Blockly.Events.CREATE:var c=new Blockly.Events.Create(null);break;case Blockly.Events.DELETE:c=new Blockly.Events.Delete(null);break;case Blockly.Events.CHANGE:c=new Blockly.Events.Change(null,"","","","");break;case Blockly.Events.MOVE:c=new Blockly.Events.Move(null);break;case Blockly.Events.VAR_CREATE:c=new Blockly.Events.VarCreate(null);break;case Blockly.Events.VAR_DELETE:c=new Blockly.Events.VarDelete(null);break;case Blockly.Events.VAR_RENAME:c=
-new Blockly.Events.VarRename(null,"");break;case Blockly.Events.UI:c=new Blockly.Events.Ui(null);break;case Blockly.Events.COMMENT_CREATE:c=new Blockly.Events.CommentCreate(null);break;case Blockly.Events.COMMENT_CHANGE:c=new Blockly.Events.CommentChange(null);break;case Blockly.Events.COMMENT_MOVE:c=new Blockly.Events.CommentMove(null);break;case Blockly.Events.COMMENT_DELETE:c=new Blockly.Events.CommentDelete(null);break;default:throw"Unknown event type.";}c.fromJson(a);c.workspaceId=b.id;return c};
-Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){var b=Blockly.Workspace.getById(a.workspaceId);if(a=b.getBlockById(a.blockId))if(a.getParent()&&!a.getParent().disabled){b=a.getDescendants(!1);a=0;for(var c;c=b[a];a++)c.setDisabled(!1)}else if((a.outputConnection||a.previousConnection)&&!b.isDragging()){do a.setDisabled(!0),a=a.getNextBlock();while(a)}}};
+new Blockly.Events.VarRename(null,"");break;case Blockly.Events.UI:c=new Blockly.Events.Ui(null);break;case Blockly.Events.COMMENT_CREATE:c=new Blockly.Events.CommentCreate(null);break;case Blockly.Events.COMMENT_CHANGE:c=new Blockly.Events.CommentChange(null);break;case Blockly.Events.COMMENT_MOVE:c=new Blockly.Events.CommentMove(null);break;case Blockly.Events.COMMENT_DELETE:c=new Blockly.Events.CommentDelete(null);break;default:throw Error("Unknown event type.");}c.fromJson(a);c.workspaceId=b.id;
+return c};Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){var b=Blockly.Workspace.getById(a.workspaceId);if(a=b.getBlockById(a.blockId))if(a.getParent()&&!a.getParent().disabled){b=a.getDescendants(!1);a=0;for(var c;c=b[a];a++)c.setDisabled(!1)}else if((a.outputConnection||a.previousConnection)&&!b.isDragging()){do a.setDisabled(!0),a=a.getNextBlock();while(a)}}};
 Blockly.Events.Abstract=function(){this.workspaceId=void 0;this.group=Blockly.Events.group_;this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};Blockly.Events.Abstract.prototype.run=function(a){};
 Blockly.Events.Abstract.prototype.getEventWorkspace_=function(){var a=Blockly.Workspace.getById(this.workspaceId);if(!a)throw Error("Workspace is null. Event must have been generated from real Blockly events.");return a};Blockly.Events.VarBase=function(a){Blockly.Events.VarBase.superClass_.constructor.call(this);this.varId=a.getId();this.workspaceId=a.workspace.id};goog.inherits(Blockly.Events.VarBase,Blockly.Events.Abstract);Blockly.Events.VarBase.prototype.toJson=function(){var a=Blockly.Events.VarBase.superClass_.toJson.call(this);a.varId=this.varId;return a};Blockly.Events.VarBase.prototype.fromJson=function(a){Blockly.Events.VarBase.superClass_.toJson.call(this);this.varId=a.varId};
 Blockly.Events.VarCreate=function(a){a&&(Blockly.Events.VarCreate.superClass_.constructor.call(this,a),this.varType=a.type,this.varName=a.name)};goog.inherits(Blockly.Events.VarCreate,Blockly.Events.VarBase);Blockly.Events.VarCreate.prototype.type=Blockly.Events.VAR_CREATE;Blockly.Events.VarCreate.prototype.toJson=function(){var a=Blockly.Events.VarCreate.superClass_.toJson.call(this);a.varType=this.varType;a.varName=this.varName;return a};
@@ -952,9 +922,9 @@ Blockly.VariableMap.prototype.getVariableUsesById=function(a){for(var b=[],c=thi
 Blockly.Events.CommentChange=function(a,b,c){a&&(Blockly.Events.CommentChange.superClass_.constructor.call(this,a),this.oldContents_=b,this.newContents_=c)};goog.inherits(Blockly.Events.CommentChange,Blockly.Events.CommentBase);Blockly.Events.CommentChange.prototype.type=Blockly.Events.COMMENT_CHANGE;Blockly.Events.CommentChange.prototype.toJson=function(){var a=Blockly.Events.CommentChange.superClass_.toJson.call(this);a.newContents=this.newContents_;return a};
 Blockly.Events.CommentChange.prototype.fromJson=function(a){Blockly.Events.CommentChange.superClass_.fromJson.call(this,a);this.newContents_=a.newValue};Blockly.Events.CommentChange.prototype.isNull=function(){return this.oldContents_==this.newContents_};Blockly.Events.CommentChange.prototype.run=function(a){var b=this.getEventWorkspace_().getCommentById(this.commentId);b?b.setContent(a?this.newContents_:this.oldContents_):console.warn("Can't change non-existent comment: "+this.commentId)};
 Blockly.Events.CommentCreate=function(a){a&&(Blockly.Events.CommentCreate.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentCreate,Blockly.Events.CommentBase);Blockly.Events.CommentCreate.prototype.type=Blockly.Events.COMMENT_CREATE;Blockly.Events.CommentCreate.prototype.toJson=function(){var a=Blockly.Events.CommentCreate.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);return a};
-Blockly.Events.CommentCreate.prototype.fromJson=function(a){Blockly.Events.CommentCreate.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild};Blockly.Events.CommentCreate.prototype.run=function(a){var b=this.getEventWorkspace_();a?(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b)):(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId)};
-Blockly.Events.CommentDelete=function(a){a&&(Blockly.Events.CommentDelete.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentDelete,Blockly.Events.CommentBase);Blockly.Events.CommentDelete.prototype.type=Blockly.Events.COMMENT_DELETE;Blockly.Events.CommentDelete.prototype.toJson=function(){return Blockly.Events.CommentDelete.superClass_.toJson.call(this)};
-Blockly.Events.CommentDelete.prototype.fromJson=function(a){Blockly.Events.CommentDelete.superClass_.fromJson.call(this,a)};Blockly.Events.CommentDelete.prototype.run=function(a){var b=this.getEventWorkspace_();a?(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId):(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b))};
+Blockly.Events.CommentCreate.prototype.fromJson=function(a){Blockly.Events.CommentCreate.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild};Blockly.Events.CommentCreate.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(a)};
+Blockly.Events.CommentCreateDeleteHelper=function(a){var b=this.getEventWorkspace_();a?(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b)):(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId)};Blockly.Events.CommentDelete=function(a){a&&(Blockly.Events.CommentDelete.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentDelete,Blockly.Events.CommentBase);
+Blockly.Events.CommentDelete.prototype.type=Blockly.Events.COMMENT_DELETE;Blockly.Events.CommentDelete.prototype.toJson=function(){return Blockly.Events.CommentDelete.superClass_.toJson.call(this)};Blockly.Events.CommentDelete.prototype.fromJson=function(a){Blockly.Events.CommentDelete.superClass_.fromJson.call(this,a)};Blockly.Events.CommentDelete.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(!a)};
 Blockly.Events.CommentMove=function(a){a&&(Blockly.Events.CommentMove.superClass_.constructor.call(this,a),this.comment_=a,this.oldCoordinate_=a.getXY(),this.newCoordinate_=null)};goog.inherits(Blockly.Events.CommentMove,Blockly.Events.CommentBase);Blockly.Events.CommentMove.prototype.recordNew=function(){if(!this.comment_)throw Error("Tried to record the new position of a comment on the same event twice.");this.newCoordinate_=this.comment_.getXY();this.comment_=null};
 Blockly.Events.CommentMove.prototype.type=Blockly.Events.COMMENT_MOVE;Blockly.Events.CommentMove.prototype.setOldCoordinate=function(a){this.oldCoordinate_=a};Blockly.Events.CommentMove.prototype.toJson=function(){var a=Blockly.Events.CommentMove.superClass_.toJson.call(this);this.newCoordinate_&&(a.newCoordinate=Math.round(this.newCoordinate_.x)+","+Math.round(this.newCoordinate_.y));return a};
 Blockly.Events.CommentMove.prototype.fromJson=function(a){Blockly.Events.CommentMove.superClass_.fromJson.call(this,a);a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate_=new goog.math.Coordinate(parseFloat(a[0]),parseFloat(a[1])))};Blockly.Events.CommentMove.prototype.isNull=function(){return goog.math.Coordinate.equals(this.oldCoordinate_,this.newCoordinate_)};
@@ -965,12 +935,11 @@ Blockly.WorkspaceComment.prototype.setDeletable=function(a){this.deletable_=a};B
 Blockly.WorkspaceComment.prototype.setContent=function(a){this.content_!=a&&(Blockly.Events.fire(new Blockly.Events.CommentChange(this,this.content_,a)),this.content_=a)};Blockly.WorkspaceComment.prototype.toXmlWithXY=function(a){a=this.toXml(a);a.setAttribute("x",Math.round(this.xy_.x));a.setAttribute("y",Math.round(this.xy_.y));a.setAttribute("h",this.height_);a.setAttribute("w",this.width_);return a};
 Blockly.WorkspaceComment.prototype.toXml=function(a){var b=goog.dom.createDom("comment");a||b.setAttribute("id",this.id);b.textContent=this.getContent();return b};Blockly.WorkspaceComment.fireCreateEvent=function(a){if(Blockly.Events.isEnabled()){var b=Blockly.Events.getGroup();b||Blockly.Events.setGroup(!0);try{Blockly.Events.fire(new Blockly.Events.CommentCreate(a))}finally{b||Blockly.Events.setGroup(!1)}}};
 Blockly.WorkspaceComment.fromXml=function(a,b){var c=Blockly.WorkspaceComment.parseAttributes(a);b=new Blockly.WorkspaceComment(b,c.content,c.h,c.w,c.id);c=parseInt(a.getAttribute("x"),10);a=parseInt(a.getAttribute("y"),10);isNaN(c)||isNaN(a)||b.moveBy(c,a);Blockly.WorkspaceComment.fireCreateEvent(b);return b};
-Blockly.WorkspaceComment.parseAttributes=function(a){var b=a.getAttribute("h"),c=a.getAttribute("w");return{id:a.getAttribute("id"),h:b?parseInt(b,10):100,w:c?parseInt(c,10):100,x:parseInt(a.getAttribute("x"),10),y:parseInt(a.getAttribute("y"),10),content:a.textContent}};
-Blockly.Workspace=function(a){this.id=Blockly.utils.genUid();Blockly.Workspace.WorkspaceDB_[this.id]=this;this.options=a||{};this.RTL=!!this.options.RTL;this.horizontalLayout=!!this.options.horizontalLayout;this.toolboxPosition=this.options.toolboxPosition;this.topBlocks_=[];this.topComments_=[];this.commentDB_=Object.create(null);this.listeners_=[];this.undoStack_=[];this.redoStack_=[];this.blockDB_=Object.create(null);this.variableMap_=new Blockly.VariableMap(this);this.potentialVariableMap_=null};
+Blockly.WorkspaceComment.parseAttributes=function(a){var b=a.getAttribute("h"),c=a.getAttribute("w");return{id:a.getAttribute("id"),h:b?parseInt(b,10):100,w:c?parseInt(c,10):100,x:parseInt(a.getAttribute("x"),10),y:parseInt(a.getAttribute("y"),10),content:a.textContent}};Blockly.Workspace=function(a){this.id=Blockly.utils.genUid();Blockly.Workspace.WorkspaceDB_[this.id]=this;this.options=a||{};this.RTL=!!this.options.RTL;this.horizontalLayout=!!this.options.horizontalLayout;this.toolboxPosition=this.options.toolboxPosition;this.topBlocks_=[];this.topComments_=[];this.commentDB_=Object.create(null);this.listeners_=[];this.undoStack_=[];this.redoStack_=[];this.blockDB_=Object.create(null);this.variableMap_=new Blockly.VariableMap(this);this.potentialVariableMap_=null};
 Blockly.Workspace.prototype.rendered=!1;Blockly.Workspace.prototype.isClearing=!1;Blockly.Workspace.prototype.MAX_UNDO=1024;Blockly.Workspace.prototype.dispose=function(){this.listeners_.length=0;this.clear();delete Blockly.Workspace.WorkspaceDB_[this.id]};Blockly.Workspace.SCAN_ANGLE=3;Blockly.Workspace.prototype.addTopBlock=function(a){this.topBlocks_.push(a)};
-Blockly.Workspace.prototype.removeTopBlock=function(a){if(!goog.array.remove(this.topBlocks_,a))throw"Block not present in workspace's list of top-most blocks.";};Blockly.Workspace.prototype.getTopBlocks=function(a){var b=[].concat(this.topBlocks_);if(a&&1<b.length){var c=Math.sin(goog.math.toRadians(Blockly.Workspace.SCAN_ANGLE));this.RTL&&(c*=-1);b.sort(function(a,b){a=a.getRelativeToSurfaceXY();b=b.getRelativeToSurfaceXY();return a.y+c*a.x-(b.y+c*b.x)})}return b};
-Blockly.Workspace.prototype.addTopComment=function(a){this.topComments_.push(a);this.commentDB_[a.id]&&console.warn('Overriding an existing comment on this workspace, with id "'+a.id+'"');this.commentDB_[a.id]=a};Blockly.Workspace.prototype.removeTopComment=function(a){if(!goog.array.remove(this.topComments_,a))throw"Comment not present in workspace's list of top-most comments.";delete this.commentDB_[a.id]};
-Blockly.Workspace.prototype.getTopComments=function(a){var b=[].concat(this.topComments_);if(a&&1<b.length){var c=Math.sin(goog.math.toRadians(Blockly.Workspace.SCAN_ANGLE));this.RTL&&(c*=-1);b.sort(function(a,b){a=a.getRelativeToSurfaceXY();b=b.getRelativeToSurfaceXY();return a.y+c*a.x-(b.y+c*b.x)})}return b};
+Blockly.Workspace.prototype.removeTopBlock=function(a){if(!Blockly.utils.arrayRemove(this.topBlocks_,a))throw Error("Block not present in workspace's list of top-most blocks.");};Blockly.Workspace.prototype.getTopBlocks=function(a){var b=[].concat(this.topBlocks_);if(a&&1<b.length){var c=Math.sin(Blockly.utils.toRadians(Blockly.Workspace.SCAN_ANGLE));this.RTL&&(c*=-1);b.sort(function(a,b){a=a.getRelativeToSurfaceXY();b=b.getRelativeToSurfaceXY();return a.y+c*a.x-(b.y+c*b.x)})}return b};
+Blockly.Workspace.prototype.addTopComment=function(a){this.topComments_.push(a);this.commentDB_[a.id]&&console.warn('Overriding an existing comment on this workspace, with id "'+a.id+'"');this.commentDB_[a.id]=a};Blockly.Workspace.prototype.removeTopComment=function(a){if(!Blockly.utils.arrayRemove(this.topComments_,a))throw Error("Comment not present in workspace's list of top-most comments.");delete this.commentDB_[a.id]};
+Blockly.Workspace.prototype.getTopComments=function(a){var b=[].concat(this.topComments_);if(a&&1<b.length){var c=Math.sin(Blockly.utils.toRadians(Blockly.Workspace.SCAN_ANGLE));this.RTL&&(c*=-1);b.sort(function(a,b){a=a.getRelativeToSurfaceXY();b=b.getRelativeToSurfaceXY();return a.y+c*a.x-(b.y+c*b.x)})}return b};
 Blockly.Workspace.prototype.getAllBlocks=function(a){if(a){a=this.getTopBlocks(!0);for(var b=[],c=0;c<a.length;c++)b.push.apply(b,a[c].getDescendants(!0))}else for(b=this.getTopBlocks(!1),c=0;c<b.length;c++)b.push.apply(b,b[c].getChildren(!1));return b};
 Blockly.Workspace.prototype.clear=function(){this.isClearing=!0;try{var a=Blockly.Events.getGroup();for(a||Blockly.Events.setGroup(!0);this.topBlocks_.length;)this.topBlocks_[0].dispose();for(;this.topComments_.length;)this.topComments_[this.topComments_.length-1].dispose();a||Blockly.Events.setGroup(!1);this.variableMap_.clear();this.potentialVariableMap_&&this.potentialVariableMap_.clear()}finally{this.isClearing=!1}};
 Blockly.Workspace.prototype.renameVariableById=function(a,b){this.variableMap_.renameVariableById(a,b)};Blockly.Workspace.prototype.createVariable=function(a,b,c){return this.variableMap_.createVariable(a,b,c)};Blockly.Workspace.prototype.getVariableUsesById=function(a){return this.variableMap_.getVariableUsesById(a)};Blockly.Workspace.prototype.deleteVariableById=function(a){this.variableMap_.deleteVariableById(a)};
@@ -978,10 +947,10 @@ Blockly.Workspace.prototype.deleteVariableInternal_=function(a,b){this.variableM
 Blockly.Workspace.prototype.getVariablesOfType=function(a){return this.variableMap_.getVariablesOfType(a)};Blockly.Workspace.prototype.getVariableTypes=function(){return this.variableMap_.getVariableTypes()};Blockly.Workspace.prototype.getAllVariables=function(){return this.variableMap_.getAllVariables()};Blockly.Workspace.prototype.getWidth=function(){return 0};Blockly.Workspace.prototype.newBlock=function(a,b){return new Blockly.Block(this,a,b)};
 Blockly.Workspace.prototype.remainingCapacity=function(){return isNaN(this.options.maxBlocks)?Infinity:this.options.maxBlocks-this.getAllBlocks().length};
 Blockly.Workspace.prototype.undo=function(a){var b=a?this.redoStack_:this.undoStack_,c=a?this.undoStack_:this.redoStack_,d=b.pop();if(d){for(var e=[d];b.length&&d.group&&d.group==b[b.length-1].group;)e.push(b.pop());for(b=0;d=e[b];b++)c.push(d);e=Blockly.Events.filter(e,a);Blockly.Events.recordUndo=!1;try{for(b=0;d=e[b];b++)d.run(a)}finally{Blockly.Events.recordUndo=!0}}};Blockly.Workspace.prototype.clearUndo=function(){this.undoStack_.length=0;this.redoStack_.length=0;Blockly.Events.clearPendingUndo()};
-Blockly.Workspace.prototype.addChangeListener=function(a){this.listeners_.push(a);return a};Blockly.Workspace.prototype.removeChangeListener=function(a){goog.array.remove(this.listeners_,a)};Blockly.Workspace.prototype.fireChangeListener=function(a){a.recordUndo&&(this.undoStack_.push(a),this.redoStack_.length=0,this.undoStack_.length>this.MAX_UNDO&&this.undoStack_.unshift());for(var b=0,c;c=this.listeners_[b];b++)c(a)};
+Blockly.Workspace.prototype.addChangeListener=function(a){this.listeners_.push(a);return a};Blockly.Workspace.prototype.removeChangeListener=function(a){Blockly.utils.arrayRemove(this.listeners_,a)};Blockly.Workspace.prototype.fireChangeListener=function(a){a.recordUndo&&(this.undoStack_.push(a),this.redoStack_.length=0,this.undoStack_.length>this.MAX_UNDO&&this.undoStack_.unshift());for(var b=0,c;c=this.listeners_[b];b++)c(a)};
 Blockly.Workspace.prototype.getBlockById=function(a){return this.blockDB_[a]||null};Blockly.Workspace.prototype.getCommentById=function(a){return this.commentDB_[a]||null};Blockly.Workspace.prototype.allInputsFilled=function(a){for(var b=this.getTopBlocks(!1),c=0,d;d=b[c];c++)if(!d.allInputsFilled(a))return!1;return!0};Blockly.Workspace.prototype.getPotentialVariableMap=function(){return this.potentialVariableMap_};
 Blockly.Workspace.prototype.createPotentialVariableMap=function(){this.potentialVariableMap_=new Blockly.VariableMap(this)};Blockly.Workspace.prototype.getVariableMap=function(){return this.variableMap_};Blockly.Workspace.WorkspaceDB_=Object.create(null);Blockly.Workspace.getById=function(a){return Blockly.Workspace.WorkspaceDB_[a]||null};Blockly.Workspace.prototype.clear=Blockly.Workspace.prototype.clear;Blockly.Workspace.prototype.clearUndo=Blockly.Workspace.prototype.clearUndo;
-Blockly.Workspace.prototype.addChangeListener=Blockly.Workspace.prototype.addChangeListener;Blockly.Workspace.prototype.removeChangeListener=Blockly.Workspace.prototype.removeChangeListener;Blockly.Bubble=function(a,b,c,d,e,f){this.workspace_=a;this.content_=b;this.shape_=c;c=Blockly.Bubble.ARROW_ANGLE;this.workspace_.RTL&&(c=-c);this.arrow_radians_=goog.math.toRadians(c);a.getBubbleCanvas().appendChild(this.createDom_(b,!(!e||!f)));this.setAnchorLocation(d);e&&f||(b=this.content_.getBBox(),e=b.width+2*Blockly.Bubble.BORDER_WIDTH,f=b.height+2*Blockly.Bubble.BORDER_WIDTH);this.setBubbleSize(e,f);this.positionBubble_();this.renderArrow_();this.rendered_=!0;a.options.readOnly||(Blockly.bindEventWithChecks_(this.bubbleBack_,
+Blockly.Workspace.prototype.addChangeListener=Blockly.Workspace.prototype.addChangeListener;Blockly.Workspace.prototype.removeChangeListener=Blockly.Workspace.prototype.removeChangeListener;Blockly.Bubble=function(a,b,c,d,e,f){this.workspace_=a;this.content_=b;this.shape_=c;c=Blockly.Bubble.ARROW_ANGLE;this.workspace_.RTL&&(c=-c);this.arrow_radians_=Blockly.utils.toRadians(c);a.getBubbleCanvas().appendChild(this.createDom_(b,!(!e||!f)));this.setAnchorLocation(d);e&&f||(b=this.content_.getBBox(),e=b.width+2*Blockly.Bubble.BORDER_WIDTH,f=b.height+2*Blockly.Bubble.BORDER_WIDTH);this.setBubbleSize(e,f);this.positionBubble_();this.renderArrow_();this.rendered_=!0;a.options.readOnly||(Blockly.bindEventWithChecks_(this.bubbleBack_,
 "mousedown",this,this.bubbleMouseDown_),this.resizeGroup_&&Blockly.bindEventWithChecks_(this.resizeGroup_,"mousedown",this,this.resizeMouseDown_))};Blockly.Bubble.BORDER_WIDTH=6;Blockly.Bubble.ARROW_THICKNESS=5;Blockly.Bubble.ARROW_ANGLE=20;Blockly.Bubble.ARROW_BEND=4;Blockly.Bubble.ANCHOR_RADIUS=8;Blockly.Bubble.onMouseUpWrapper_=null;Blockly.Bubble.onMouseMoveWrapper_=null;Blockly.Bubble.prototype.resizeCallback_=null;
 Blockly.Bubble.unbindDragEvents_=function(){Blockly.Bubble.onMouseUpWrapper_&&(Blockly.unbindEvent_(Blockly.Bubble.onMouseUpWrapper_),Blockly.Bubble.onMouseUpWrapper_=null);Blockly.Bubble.onMouseMoveWrapper_&&(Blockly.unbindEvent_(Blockly.Bubble.onMouseMoveWrapper_),Blockly.Bubble.onMouseMoveWrapper_=null)};Blockly.Bubble.bubbleMouseUp_=function(){Blockly.Touch.clearTouchIdentifier();Blockly.Bubble.unbindDragEvents_()};Blockly.Bubble.prototype.rendered_=!1;Blockly.Bubble.prototype.anchorXY_=null;
 Blockly.Bubble.prototype.relativeLeft_=0;Blockly.Bubble.prototype.relativeTop_=0;Blockly.Bubble.prototype.width_=0;Blockly.Bubble.prototype.height_=0;Blockly.Bubble.prototype.autoLayout_=!0;
@@ -999,7 +968,7 @@ Blockly.Bubble.prototype.setBubbleSize=function(a,b){var c=2*Blockly.Bubble.BORD
 this.layoutBubble_(),this.positionBubble_(),this.renderArrow_());this.resizeCallback_&&this.resizeCallback_()};
 Blockly.Bubble.prototype.renderArrow_=function(){var a=[],b=this.width_/2,c=this.height_/2,d=-this.relativeLeft_,e=-this.relativeTop_;if(b==d&&c==e)a.push("M "+b+","+c);else{e-=c;d-=b;this.workspace_.RTL&&(d*=-1);var f=Math.sqrt(e*e+d*d),g=Math.acos(d/f);0>e&&(g=2*Math.PI-g);var h=g+Math.PI/2;h>2*Math.PI&&(h-=2*Math.PI);var k=Math.sin(h),l=Math.cos(h),n=this.getBubbleSize();h=(n.width+n.height)/Blockly.Bubble.ARROW_THICKNESS;h=Math.min(h,n.width,n.height)/4;n=1-Blockly.Bubble.ANCHOR_RADIUS/f;d=b+
 n*d;e=c+n*e;n=b+h*l;var m=c+h*k;b-=h*l;c-=h*k;k=g+this.arrow_radians_;k>2*Math.PI&&(k-=2*Math.PI);g=Math.sin(k)*f/Blockly.Bubble.ARROW_BEND;f=Math.cos(k)*f/Blockly.Bubble.ARROW_BEND;a.push("M"+n+","+m);a.push("C"+(n+f)+","+(m+g)+" "+d+","+e+" "+d+","+e);a.push("C"+d+","+e+" "+(b+f)+","+(c+g)+" "+b+","+c)}a.push("z");this.bubbleArrow_.setAttribute("d",a.join(" "))};Blockly.Bubble.prototype.setColour=function(a){this.bubbleBack_.setAttribute("fill",a);this.bubbleArrow_.setAttribute("fill",a)};
-Blockly.Bubble.prototype.dispose=function(){Blockly.Bubble.unbindDragEvents_();goog.dom.removeNode(this.bubbleGroup_);this.shape_=this.content_=this.workspace_=this.resizeGroup_=this.bubbleBack_=this.bubbleArrow_=this.bubbleGroup_=null};Blockly.Bubble.prototype.moveDuringDrag=function(a,b){a?a.translateSurface(b.x,b.y):this.moveTo(b.x,b.y);this.relativeLeft_=this.workspace_.RTL?this.anchorXY_.x-b.x-this.width_:b.x-this.anchorXY_.x;this.relativeTop_=b.y-this.anchorXY_.y;this.renderArrow_()};
+Blockly.Bubble.prototype.dispose=function(){Blockly.Bubble.unbindDragEvents_();this.bubbleGroup_.parentNode.removeChild(this.bubbleGroup_);this.shape_=this.content_=this.workspace_=this.resizeGroup_=this.bubbleBack_=this.bubbleArrow_=this.bubbleGroup_=null};Blockly.Bubble.prototype.moveDuringDrag=function(a,b){a?a.translateSurface(b.x,b.y):this.moveTo(b.x,b.y);this.relativeLeft_=this.workspace_.RTL?this.anchorXY_.x-b.x-this.width_:b.x-this.anchorXY_.x;this.relativeTop_=b.y-this.anchorXY_.y;this.renderArrow_()};
 Blockly.Bubble.prototype.getRelativeToSurfaceXY=function(){return new goog.math.Coordinate(this.anchorXY_.x+this.relativeLeft_,this.anchorXY_.y+this.relativeTop_)};Blockly.Bubble.prototype.setAutoLayout=function(a){this.autoLayout_=a};Blockly.Events.BlockBase=function(a){Blockly.Events.BlockBase.superClass_.constructor.call(this);this.blockId=a.id;this.workspaceId=a.workspace.id};goog.inherits(Blockly.Events.BlockBase,Blockly.Events.Abstract);Blockly.Events.BlockBase.prototype.toJson=function(){var a=Blockly.Events.BlockBase.superClass_.toJson.call(this);a.blockId=this.blockId;return a};Blockly.Events.BlockBase.prototype.fromJson=function(a){Blockly.Events.BlockBase.superClass_.toJson.call(this);this.blockId=a.blockId};
 Blockly.Events.Change=function(a,b,c,d,e){a&&(Blockly.Events.Change.superClass_.constructor.call(this,a),this.element=b,this.name=c,this.oldValue=d,this.newValue=e)};goog.inherits(Blockly.Events.Change,Blockly.Events.BlockBase);Blockly.Events.BlockChange=Blockly.Events.Change;Blockly.Events.Change.prototype.type=Blockly.Events.CHANGE;
 Blockly.Events.Change.prototype.toJson=function(){var a=Blockly.Events.Change.superClass_.toJson.call(this);a.element=this.element;this.name&&(a.name=this.name);a.newValue=this.newValue;return a};Blockly.Events.Change.prototype.fromJson=function(a){Blockly.Events.Change.superClass_.fromJson.call(this,a);this.element=a.element;this.name=a.name;this.newValue=a.newValue};Blockly.Events.Change.prototype.isNull=function(){return this.oldValue==this.newValue};
@@ -1008,7 +977,7 @@ case "mutation":var c="";b.mutationToDom&&(c=(c=b.mutationToDom())&&Blockly.Xml.
 Blockly.Events.Create=function(a){a&&(Blockly.Events.Create.superClass_.constructor.call(this,a),this.xml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a),this.ids=Blockly.Events.getDescendantIds_(a))};goog.inherits(Blockly.Events.Create,Blockly.Events.BlockBase);Blockly.Events.BlockCreate=Blockly.Events.Create;Blockly.Events.Create.prototype.type=Blockly.Events.CREATE;
 Blockly.Events.Create.prototype.toJson=function(){var a=Blockly.Events.Create.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);a.ids=this.ids;return a};Blockly.Events.Create.prototype.fromJson=function(a){Blockly.Events.Create.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild;this.ids=a.ids};
 Blockly.Events.Create.prototype.run=function(a){var b=this.getEventWorkspace_();if(a)a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't uncreate non-existent block: "+c)}}};
-Blockly.Events.Delete=function(a){if(a){if(a.getParent())throw"Connected blocks cannot be deleted.";Blockly.Events.Delete.superClass_.constructor.call(this,a);this.oldXml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a);this.ids=Blockly.Events.getDescendantIds_(a)}};goog.inherits(Blockly.Events.Delete,Blockly.Events.BlockBase);Blockly.Events.BlockDelete=Blockly.Events.Delete;Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;
+Blockly.Events.Delete=function(a){if(a){if(a.getParent())throw Error("Connected blocks cannot be deleted.");Blockly.Events.Delete.superClass_.constructor.call(this,a);this.oldXml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a);this.ids=Blockly.Events.getDescendantIds_(a)}};goog.inherits(Blockly.Events.Delete,Blockly.Events.BlockBase);Blockly.Events.BlockDelete=Blockly.Events.Delete;Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;
 Blockly.Events.Delete.prototype.toJson=function(){var a=Blockly.Events.Delete.superClass_.toJson.call(this);a.ids=this.ids;return a};Blockly.Events.Delete.prototype.fromJson=function(a){Blockly.Events.Delete.superClass_.fromJson.call(this,a);this.ids=a.ids};
 Blockly.Events.Delete.prototype.run=function(a){var b=this.getEventWorkspace_();if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't delete non-existent block: "+c)}}else a=goog.dom.createDom("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
 Blockly.Events.Move=function(a){a&&(Blockly.Events.Move.superClass_.constructor.call(this,a),a=this.currentLocation_(),this.oldParentId=a.parentId,this.oldInputName=a.inputName,this.oldCoordinate=a.coordinate)};goog.inherits(Blockly.Events.Move,Blockly.Events.BlockBase);Blockly.Events.BlockMove=Blockly.Events.Move;Blockly.Events.Move.prototype.type=Blockly.Events.MOVE;
@@ -1019,7 +988,8 @@ Blockly.Events.Move.prototype.run=function(a){var b=this.getEventWorkspace_(),c=
 b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existent input: "+e)}}else console.warn("Can't move non-existent block: "+this.blockId)};Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this);this.blockId=a?a.id:null;this.workspaceId=a?a.workspace.id:null;this.element=b;this.oldValue=c;this.newValue=d;this.recordUndo=!1};goog.inherits(Blockly.Events.Ui,Blockly.Events.Abstract);Blockly.Events.Ui.prototype.type=Blockly.Events.UI;
 Blockly.Events.Ui.prototype.toJson=function(){var a=Blockly.Events.Ui.superClass_.toJson.call(this);a.element=this.element;void 0!==this.newValue&&(a.newValue=this.newValue);this.blockId&&(a.blockId=this.blockId);return a};Blockly.Events.Ui.prototype.fromJson=function(a){Blockly.Events.Ui.superClass_.fromJson.call(this,a);this.element=a.element;this.newValue=a.newValue;this.blockId=a.blockId};Blockly.Icon=function(a){this.block_=a};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;
 Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyIconGroup"},null),this.block_.isInFlyout&&Blockly.utils.addClass(this.iconGroup_,"blocklyIconGroupReadonly"),this.drawIcon_(this.iconGroup_),this.block_.getSvgRoot().appendChild(this.iconGroup_),Blockly.bindEventWithChecks_(this.iconGroup_,"mouseup",this,this.iconClick_),this.updateEditable())};
-Blockly.Icon.prototype.dispose=function(){goog.dom.removeNode(this.iconGroup_);this.iconGroup_=null;this.setVisible(!1);this.block_=null};Blockly.Icon.prototype.updateEditable=function(){};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.utils.isRightButton(a)||this.setVisible(!this.isVisible())};Blockly.Icon.prototype.updateColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.getColour())};
+Blockly.Icon.prototype.dispose=function(){this.iconGroup_.parentNode.removeChild(this.iconGroup_);this.iconGroup_=null;this.setVisible(!1);this.block_=null};Blockly.Icon.prototype.updateEditable=function(){};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.utils.isRightButton(a)||this.setVisible(!this.isVisible())};
+Blockly.Icon.prototype.updateColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.getColour())};
 Blockly.Icon.prototype.renderIcon=function(a){if(this.collapseHidden&&this.block_.isCollapsed())return this.iconGroup_.setAttribute("display","none"),a;this.iconGroup_.setAttribute("display","block");var b=this.SIZE;this.block_.RTL&&(a-=b);this.iconGroup_.setAttribute("transform","translate("+a+",5)");this.computeIconLocation();return a=this.block_.RTL?a-Blockly.BlockSvg.SEP_SPACE_X:a+(b+Blockly.BlockSvg.SEP_SPACE_X)};
 Blockly.Icon.prototype.setIconLocation=function(a){this.iconXY_=a;this.isVisible()&&this.bubble_.setAnchorLocation(a)};Blockly.Icon.prototype.computeIconLocation=function(){var a=this.block_.getRelativeToSurfaceXY(),b=Blockly.utils.getRelativeXY(this.iconGroup_);a=new goog.math.Coordinate(a.x+b.x+this.SIZE/2,a.y+b.y+this.SIZE/2);goog.math.Coordinate.equals(this.getIconLocation(),a)||this.setIconLocation(a)};Blockly.Icon.prototype.getIconLocation=function(){return this.iconXY_};
 Blockly.Comment=function(a){Blockly.Comment.superClass_.constructor.call(this,a);this.createIcon()};goog.inherits(Blockly.Comment,Blockly.Icon);Blockly.Comment.prototype.text_="";Blockly.Comment.prototype.width_=160;Blockly.Comment.prototype.height_=80;
@@ -1032,48 +1002,48 @@ this.updateColour()):(this.bubble_.dispose(),this.foreignObject_=this.textarea_=
 Blockly.Comment.prototype.setBubbleSize=function(a,b){this.textarea_?this.bubble_.setBubbleSize(a,b):(this.width_=a,this.height_=b)};Blockly.Comment.prototype.getText=function(){return this.textarea_?this.textarea_.value:this.text_};Blockly.Comment.prototype.setText=function(a){this.text_!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this.block_,"comment",null,this.text_,a)),this.text_=a);this.textarea_&&(this.textarea_.value=a)};
 Blockly.Comment.prototype.dispose=function(){Blockly.Events.isEnabled()&&this.setText("");this.block_.comment=null;Blockly.Icon.prototype.dispose.call(this)};Blockly.Connection=function(a,b){this.sourceBlock_=a;this.type=b;a.workspace.connectionDBList&&(this.db_=a.workspace.connectionDBList[b],this.dbOpposite_=a.workspace.connectionDBList[Blockly.OPPOSITE_TYPE[b]],this.hidden_=!this.db_)};Blockly.Connection.CAN_CONNECT=0;Blockly.Connection.REASON_SELF_CONNECTION=1;Blockly.Connection.REASON_WRONG_TYPE=2;Blockly.Connection.REASON_TARGET_NULL=3;Blockly.Connection.REASON_CHECKS_FAILED=4;Blockly.Connection.REASON_DIFFERENT_WORKSPACES=5;
 Blockly.Connection.REASON_SHADOW_PARENT=6;Blockly.Connection.prototype.targetConnection=null;Blockly.Connection.prototype.check_=null;Blockly.Connection.prototype.shadowDom_=null;Blockly.Connection.prototype.x_=0;Blockly.Connection.prototype.y_=0;Blockly.Connection.prototype.inDB_=!1;Blockly.Connection.prototype.db_=null;Blockly.Connection.prototype.dbOpposite_=null;Blockly.Connection.prototype.hidden_=null;
-Blockly.Connection.prototype.connect_=function(a){var b=this,c=b.getSourceBlock(),d=a.getSourceBlock();a.isConnected()&&a.disconnect();if(b.isConnected()){var e=b.targetBlock(),f=b.getShadowDom();b.setShadowDom(null);if(e.isShadow())f=Blockly.Xml.blockToDom(e),e.dispose(),e=null;else if(b.type==Blockly.INPUT_VALUE){if(!e.outputConnection)throw"Orphan block does not have an output connection.";var g=Blockly.Connection.lastConnectionInRow_(d,e);g&&(e.outputConnection.connect(g),e=null)}else if(b.type==
-Blockly.NEXT_STATEMENT){if(!e.previousConnection)throw"Orphan block does not have a previous connection.";for(g=d;g.nextConnection;){var h=g.getNextBlock();if(h&&!h.isShadow())g=h;else{e.previousConnection.checkType_(g.nextConnection)&&(g.nextConnection.connect(e.previousConnection),e=null);break}}}if(e&&(b.disconnect(),Blockly.Events.recordUndo)){var k=Blockly.Events.getGroup();setTimeout(function(){e.workspace&&!e.getParent()&&(Blockly.Events.setGroup(k),e.outputConnection?e.outputConnection.bumpAwayFrom_(b):
-e.previousConnection&&e.previousConnection.bumpAwayFrom_(b),Blockly.Events.setGroup(!1))},Blockly.BUMP_DELAY)}b.setShadowDom(f)}var l;Blockly.Events.isEnabled()&&(l=new Blockly.Events.BlockMove(d));Blockly.Connection.connectReciprocally_(b,a);d.setParent(c);l&&(l.recordNew(),Blockly.Events.fire(l))};Blockly.Connection.prototype.dispose=function(){if(this.isConnected())throw"Disconnect connection before disposing of it.";this.inDB_&&this.db_.removeConnection_(this);this.dbOpposite_=this.db_=null};
-Blockly.Connection.prototype.getSourceBlock=function(){return this.sourceBlock_};Blockly.Connection.prototype.isSuperior=function(){return this.type==Blockly.INPUT_VALUE||this.type==Blockly.NEXT_STATEMENT};Blockly.Connection.prototype.isConnected=function(){return!!this.targetConnection};
+Blockly.Connection.prototype.connect_=function(a){var b=this,c=b.getSourceBlock(),d=a.getSourceBlock();a.isConnected()&&a.disconnect();if(b.isConnected()){var e=b.targetBlock(),f=b.getShadowDom();b.setShadowDom(null);if(e.isShadow())f=Blockly.Xml.blockToDom(e),e.dispose(),e=null;else if(b.type==Blockly.INPUT_VALUE){if(!e.outputConnection)throw Error("Orphan block does not have an output connection.");var g=Blockly.Connection.lastConnectionInRow_(d,e);g&&(e.outputConnection.connect(g),e=null)}else if(b.type==
+Blockly.NEXT_STATEMENT){if(!e.previousConnection)throw Error("Orphan block does not have a previous connection.");for(g=d;g.nextConnection;){var h=g.getNextBlock();if(h&&!h.isShadow())g=h;else{e.previousConnection.checkType_(g.nextConnection)&&(g.nextConnection.connect(e.previousConnection),e=null);break}}}if(e&&(b.disconnect(),Blockly.Events.recordUndo)){var k=Blockly.Events.getGroup();setTimeout(function(){e.workspace&&!e.getParent()&&(Blockly.Events.setGroup(k),e.outputConnection?e.outputConnection.bumpAwayFrom_(b):
+e.previousConnection&&e.previousConnection.bumpAwayFrom_(b),Blockly.Events.setGroup(!1))},Blockly.BUMP_DELAY)}b.setShadowDom(f)}var l;Blockly.Events.isEnabled()&&(l=new Blockly.Events.BlockMove(d));Blockly.Connection.connectReciprocally_(b,a);d.setParent(c);l&&(l.recordNew(),Blockly.Events.fire(l))};
+Blockly.Connection.prototype.dispose=function(){if(this.isConnected())throw Error("Disconnect connection before disposing of it.");this.inDB_&&this.db_.removeConnection_(this);this.dbOpposite_=this.db_=null};Blockly.Connection.prototype.getSourceBlock=function(){return this.sourceBlock_};Blockly.Connection.prototype.isSuperior=function(){return this.type==Blockly.INPUT_VALUE||this.type==Blockly.NEXT_STATEMENT};Blockly.Connection.prototype.isConnected=function(){return!!this.targetConnection};
 Blockly.Connection.prototype.canConnectWithReason_=function(a){if(!a)return Blockly.Connection.REASON_TARGET_NULL;if(this.isSuperior())var b=this.sourceBlock_,c=a.getSourceBlock();else c=this.sourceBlock_,b=a.getSourceBlock();return b&&b==c?Blockly.Connection.REASON_SELF_CONNECTION:a.type!=Blockly.OPPOSITE_TYPE[this.type]?Blockly.Connection.REASON_WRONG_TYPE:b&&c&&b.workspace!==c.workspace?Blockly.Connection.REASON_DIFFERENT_WORKSPACES:this.checkType_(a)?b.isShadow()&&!c.isShadow()?Blockly.Connection.REASON_SHADOW_PARENT:
 Blockly.Connection.CAN_CONNECT:Blockly.Connection.REASON_CHECKS_FAILED};
-Blockly.Connection.prototype.checkConnection_=function(a){switch(this.canConnectWithReason_(a)){case Blockly.Connection.CAN_CONNECT:break;case Blockly.Connection.REASON_SELF_CONNECTION:throw"Attempted to connect a block to itself.";case Blockly.Connection.REASON_DIFFERENT_WORKSPACES:throw"Blocks not on same workspace.";case Blockly.Connection.REASON_WRONG_TYPE:throw"Attempt to connect incompatible types.";case Blockly.Connection.REASON_TARGET_NULL:throw"Target connection is null.";case Blockly.Connection.REASON_CHECKS_FAILED:throw"Connection checks failed. "+
-(this+" expected "+this.check_+", found "+a.check_);case Blockly.Connection.REASON_SHADOW_PARENT:throw"Connecting non-shadow to shadow block.";default:throw"Unknown connection failure: this should never happen!";}};
+Blockly.Connection.prototype.checkConnection_=function(a){switch(this.canConnectWithReason_(a)){case Blockly.Connection.CAN_CONNECT:break;case Blockly.Connection.REASON_SELF_CONNECTION:throw Error("Attempted to connect a block to itself.");case Blockly.Connection.REASON_DIFFERENT_WORKSPACES:throw Error("Blocks not on same workspace.");case Blockly.Connection.REASON_WRONG_TYPE:throw Error("Attempt to connect incompatible types.");case Blockly.Connection.REASON_TARGET_NULL:throw Error("Target connection is null.");
+case Blockly.Connection.REASON_CHECKS_FAILED:throw Error("Connection checks failed. "+(this+" expected "+this.check_+", found "+a.check_));case Blockly.Connection.REASON_SHADOW_PARENT:throw Error("Connecting non-shadow to shadow block.");default:throw Error("Unknown connection failure: this should never happen!");}};
 Blockly.Connection.prototype.isConnectionAllowed=function(a){if(this.canConnectWithReason_(a)!=Blockly.Connection.CAN_CONNECT)return!1;if(a.type==Blockly.OUTPUT_VALUE||a.type==Blockly.PREVIOUS_STATEMENT)if(a.isConnected()||this.isConnected())return!1;return a.type==Blockly.INPUT_VALUE&&a.isConnected()&&!a.targetBlock().isMovable()&&!a.targetBlock().isShadow()||this.type==Blockly.PREVIOUS_STATEMENT&&a.isConnected()&&!this.sourceBlock_.nextConnection&&!a.targetBlock().isShadow()&&a.targetBlock().nextConnection||
--1!=Blockly.draggingConnections_.indexOf(a)?!1:!0};Blockly.Connection.prototype.connect=function(a){this.targetConnection!=a&&(this.checkConnection_(a),this.isSuperior()?this.connect_(a):a.connect_(this))};Blockly.Connection.connectReciprocally_=function(a,b){goog.asserts.assert(a&&b,"Cannot connect null connections.");a.targetConnection=b;b.targetConnection=a};
+-1!=Blockly.draggingConnections_.indexOf(a)?!1:!0};Blockly.Connection.prototype.connect=function(a){this.targetConnection!=a&&(this.checkConnection_(a),this.isSuperior()?this.connect_(a):a.connect_(this))};Blockly.Connection.connectReciprocally_=function(a,b){if(!a||!b)throw Error("Cannot connect null connections.");a.targetConnection=b;b.targetConnection=a};
 Blockly.Connection.singleConnection_=function(a,b){for(var c=!1,d=0;d<a.inputList.length;d++){var e=a.inputList[d].connection;if(e&&e.type==Blockly.INPUT_VALUE&&b.outputConnection.checkType_(e)){if(c)return null;c=e}}return c};Blockly.Connection.lastConnectionInRow_=function(a,b){for(var c;c=Blockly.Connection.singleConnection_(a,b);)if(a=c.targetBlock(),!a||a.isShadow())return c;return null};
-Blockly.Connection.prototype.disconnect=function(){var a=this.targetConnection;goog.asserts.assert(a,"Source connection not connected.");goog.asserts.assert(a.targetConnection==this,"Target connection not connected to source connection.");if(this.isSuperior()){var b=this.sourceBlock_;var c=a.getSourceBlock();a=this}else b=a.getSourceBlock(),c=this.sourceBlock_;this.disconnectInternal_(b,c);a.respawnShadow_()};
+Blockly.Connection.prototype.disconnect=function(){var a=this.targetConnection;if(!a)throw Error("Source connection not connected.");if(a.targetConnection!=this)throw Error("Target connection not connected to source connection.");if(this.isSuperior()){var b=this.sourceBlock_;var c=a.getSourceBlock();a=this}else b=a.getSourceBlock(),c=this.sourceBlock_;this.disconnectInternal_(b,c);a.respawnShadow_()};
 Blockly.Connection.prototype.disconnectInternal_=function(a,b){var c;Blockly.Events.isEnabled()&&(c=new Blockly.Events.BlockMove(b));this.targetConnection=this.targetConnection.targetConnection=null;b.setParent(null);c&&(c.recordNew(),Blockly.Events.fire(c))};
-Blockly.Connection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo)if(a=Blockly.Xml.domToBlock(b,a.workspace),a.outputConnection)this.connect(a.outputConnection);else if(a.previousConnection)this.connect(a.previousConnection);else throw"Child block does not have output or previous statement.";};Blockly.Connection.prototype.targetBlock=function(){return this.isConnected()?this.targetConnection.getSourceBlock():null};
-Blockly.Connection.prototype.checkType_=function(a){if(!this.check_||!a.check_)return!0;for(var b=0;b<this.check_.length;b++)if(-1!=a.check_.indexOf(this.check_[b]))return!0;return!1};Blockly.Connection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&(this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug()};
-Blockly.Connection.prototype.setCheck=function(a){a?(goog.isArray(a)||(a=[a]),this.check_=a,this.onCheckChanged_()):this.check_=null;return this};Blockly.Connection.prototype.setShadowDom=function(a){this.shadowDom_=a};Blockly.Connection.prototype.getShadowDom=function(){return this.shadowDom_};Blockly.Connection.prototype.neighbours_=function(){return[]};
-Blockly.Connection.prototype.toString=function(){var a=this.sourceBlock_;if(a)if(a.outputConnection==this)var b="Output Connection of ";else if(a.previousConnection==this)b="Previous Connection of ";else if(a.nextConnection==this)b="Next Connection of ";else if(b=goog.array.find(a.inputList,function(a){return a.connection==this},this))b='Input "'+b.name+'" connection on ';else return console.warn("Connection not actually connected to sourceBlock_"),"Orphan Connection";else return"Orphan Connection";
-return b+a.toDevString()};Blockly.ConnectionDB=function(){};Blockly.ConnectionDB.prototype=[];Blockly.ConnectionDB.constructor=Blockly.ConnectionDB;Blockly.ConnectionDB.prototype.addConnection=function(a){if(a.inDB_)throw"Connection already in database.";if(!a.getSourceBlock().isInFlyout){var b=this.findPositionForConnection_(a);this.splice(b,0,a);a.inDB_=!0}};
+Blockly.Connection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo)if(a=Blockly.Xml.domToBlock(b,a.workspace),a.outputConnection)this.connect(a.outputConnection);else if(a.previousConnection)this.connect(a.previousConnection);else throw Error("Child block does not have output or previous statement.");};
+Blockly.Connection.prototype.targetBlock=function(){return this.isConnected()?this.targetConnection.getSourceBlock():null};Blockly.Connection.prototype.checkType_=function(a){if(!this.check_||!a.check_)return!0;for(var b=0;b<this.check_.length;b++)if(-1!=a.check_.indexOf(this.check_[b]))return!0;return!1};Blockly.Connection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&(this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug()};
+Blockly.Connection.prototype.setCheck=function(a){a?(Array.isArray(a)||(a=[a]),this.check_=a,this.onCheckChanged_()):this.check_=null;return this};Blockly.Connection.prototype.setShadowDom=function(a){this.shadowDom_=a};Blockly.Connection.prototype.getShadowDom=function(){return this.shadowDom_};Blockly.Connection.prototype.neighbours_=function(){return[]};
+Blockly.Connection.prototype.toString=function(){var a=this.sourceBlock_;if(a)if(a.outputConnection==this)var b="Output Connection of ";else if(a.previousConnection==this)b="Previous Connection of ";else if(a.nextConnection==this)b="Next Connection of ";else{b=null;for(var c=0,d;d=a.inputList[c];c++)if(d.connection==this){b=d;break}if(b)b='Input "'+b.name+'" connection on ';else return console.warn("Connection not actually connected to sourceBlock_"),"Orphan Connection"}else return"Orphan Connection";
+return b+a.toDevString()};Blockly.ConnectionDB=function(){};Blockly.ConnectionDB.prototype=[];Blockly.ConnectionDB.constructor=Blockly.ConnectionDB;Blockly.ConnectionDB.prototype.addConnection=function(a){if(a.inDB_)throw Error("Connection already in database.");if(!a.getSourceBlock().isInFlyout){var b=this.findPositionForConnection_(a);this.splice(b,0,a);a.inDB_=!0}};
 Blockly.ConnectionDB.prototype.findConnection=function(a){if(!this.length)return-1;var b=this.findPositionForConnection_(a);if(b>=this.length)return-1;for(var c=a.y_,d=b;0<=d&&this[d].y_==c;){if(this[d]==a)return d;d--}for(;b<this.length&&this[b].y_==c;){if(this[b]==a)return b;b++}return-1};
-Blockly.ConnectionDB.prototype.findPositionForConnection_=function(a){if(!this.length)return 0;for(var b=0,c=this.length;b<c;){var d=Math.floor((b+c)/2);if(this[d].y_<a.y_)b=d+1;else if(this[d].y_>a.y_)c=d;else{b=d;break}}return b};Blockly.ConnectionDB.prototype.removeConnection_=function(a){if(!a.inDB_)throw"Connection not in database.";var b=this.findConnection(a);if(-1==b)throw"Unable to find connection in connectionDB.";a.inDB_=!1;this.splice(b,1)};
+Blockly.ConnectionDB.prototype.findPositionForConnection_=function(a){if(!this.length)return 0;for(var b=0,c=this.length;b<c;){var d=Math.floor((b+c)/2);if(this[d].y_<a.y_)b=d+1;else if(this[d].y_>a.y_)c=d;else{b=d;break}}return b};Blockly.ConnectionDB.prototype.removeConnection_=function(a){if(!a.inDB_)throw Error("Connection not in database.");var b=this.findConnection(a);if(-1==b)throw Error("Unable to find connection in connectionDB.");a.inDB_=!1;this.splice(b,1)};
 Blockly.ConnectionDB.prototype.getNeighbours=function(a,b){function c(a){var c=e-d[a].x_,g=f-d[a].y_;Math.sqrt(c*c+g*g)<=b&&k.push(d[a]);return g<b}var d=this,e=a.x_,f=a.y_;a=0;for(var g=d.length-2,h=g;a<h;)d[h].y_<f?a=h:g=h,h=Math.floor((a+g)/2);var k=[];g=a=h;if(d.length){for(;0<=a&&c(a);)a--;do g++;while(g<d.length&&c(g))}return k};Blockly.ConnectionDB.prototype.isInYRange_=function(a,b,c){return Math.abs(this[a].y_-b)<=c};
 Blockly.ConnectionDB.prototype.searchForClosest=function(a,b,c){if(!this.length)return{connection:null,radius:b};var d=a.y_,e=a.x_;a.x_=e+c.x;a.y_=d+c.y;var f=this.findPositionForConnection_(a);c=null;for(var g=b,h,k=f-1;0<=k&&this.isInYRange_(k,a.y_,b);)h=this[k],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),k--;for(;f<this.length&&this.isInYRange_(f,a.y_,b);)h=this[f],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),f++;a.x_=e;a.y_=d;return{connection:c,radius:g}};
 Blockly.ConnectionDB.init=function(a){var b=[];b[Blockly.INPUT_VALUE]=new Blockly.ConnectionDB;b[Blockly.OUTPUT_VALUE]=new Blockly.ConnectionDB;b[Blockly.NEXT_STATEMENT]=new Blockly.ConnectionDB;b[Blockly.PREVIOUS_STATEMENT]=new Blockly.ConnectionDB;a.connectionDBList=b};Blockly.constants={};Blockly.DRAG_RADIUS=5;Blockly.FLYOUT_DRAG_RADIUS=10;Blockly.SNAP_RADIUS=20;Blockly.BUMP_DELAY=250;Blockly.COLLAPSE_CHARS=30;Blockly.LONGPRESS=750;Blockly.SOUND_LIMIT=100;Blockly.DRAG_STACK=!0;Blockly.HSV_SATURATION=.45;Blockly.HSV_VALUE=.65;Blockly.SPRITE={width:96,height:124,url:"sprites.png"};Blockly.SVG_NS="http://www.w3.org/2000/svg";Blockly.HTML_NS="http://www.w3.org/1999/xhtml";Blockly.INPUT_VALUE=1;Blockly.OUTPUT_VALUE=2;Blockly.NEXT_STATEMENT=3;
 Blockly.PREVIOUS_STATEMENT=4;Blockly.DUMMY_INPUT=5;Blockly.ALIGN_LEFT=-1;Blockly.ALIGN_CENTRE=0;Blockly.ALIGN_RIGHT=1;Blockly.DRAG_NONE=0;Blockly.DRAG_STICKY=1;Blockly.DRAG_BEGIN=1;Blockly.DRAG_FREE=2;Blockly.OPPOSITE_TYPE=[];Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE]=Blockly.OUTPUT_VALUE;Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE]=Blockly.INPUT_VALUE;Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT]=Blockly.PREVIOUS_STATEMENT;Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT]=Blockly.NEXT_STATEMENT;
 Blockly.TOOLBOX_AT_TOP=0;Blockly.TOOLBOX_AT_BOTTOM=1;Blockly.TOOLBOX_AT_LEFT=2;Blockly.TOOLBOX_AT_RIGHT=3;Blockly.DELETE_AREA_NONE=null;Blockly.DELETE_AREA_TRASH=1;Blockly.DELETE_AREA_TOOLBOX=2;Blockly.VARIABLE_CATEGORY_NAME="VARIABLE";Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME="VARIABLE_DYNAMIC";Blockly.PROCEDURE_CATEGORY_NAME="PROCEDURE";Blockly.RENAME_VARIABLE_ID="RENAME_VARIABLE_ID";Blockly.DELETE_VARIABLE_ID="DELETE_VARIABLE_ID";Blockly.BlockAnimations={};Blockly.BlockAnimations.disconnectPid_=0;Blockly.BlockAnimations.disconnectGroup_=null;Blockly.BlockAnimations.disposeUiEffect=function(a){var b=a.workspace,c=a.getSvgRoot();b.getAudioManager().play("delete");a=b.getSvgXY(c);c=c.cloneNode(!0);c.translateX_=a.x;c.translateY_=a.y;c.setAttribute("transform","translate("+a.x+","+a.y+")");b.getParentSvg().appendChild(c);c.bBox_=c.getBBox();Blockly.BlockAnimations.disposeUiStep_(c,b.RTL,new Date,b.scale)};
-Blockly.BlockAnimations.disposeUiStep_=function(a,b,c,d){var e=(new Date-c)/150;1<e?goog.dom.removeNode(a):(a.setAttribute("transform","translate("+(a.translateX_+(b?-1:1)*a.bBox_.width*d/2*e)+","+(a.translateY_+a.bBox_.height*d*e)+") scale("+(1-e)*d+")"),setTimeout(Blockly.BlockAnimations.disposeUiStep_,10,a,b,c,d))};
+Blockly.BlockAnimations.disposeUiStep_=function(a,b,c,d){var e=(new Date-c)/150;1<e?a.parentNode.removeChild(a):(a.setAttribute("transform","translate("+(a.translateX_+(b?-1:1)*a.bBox_.width*d/2*e)+","+(a.translateY_+a.bBox_.height*d*e)+") scale("+(1-e)*d+")"),setTimeout(Blockly.BlockAnimations.disposeUiStep_,10,a,b,c,d))};
 Blockly.BlockAnimations.connectionUiEffect=function(a){var b=a.workspace,c=b.scale;b.getAudioManager().play("click");if(!(1>c)){var d=b.getSvgXY(a.getSvgRoot());a.outputConnection?(d.x+=(a.RTL?3:-3)*c,d.y+=13*c):a.previousConnection&&(d.x+=(a.RTL?-23:23)*c,d.y+=3*c);a=Blockly.utils.createSvgElement("circle",{cx:d.x,cy:d.y,r:0,fill:"none",stroke:"#888","stroke-width":10},b.getParentSvg());Blockly.BlockAnimations.connectionUiStep_(a,new Date,c)}};
-Blockly.BlockAnimations.connectionUiStep_=function(a,b,c){var d=(new Date-b)/150;1<d?goog.dom.removeNode(a):(a.setAttribute("r",25*d*c),a.style.opacity=1-d,Blockly.BlockAnimations.disconnectPid_=setTimeout(Blockly.BlockAnimations.connectionUiStep_,10,a,b,c))};
+Blockly.BlockAnimations.connectionUiStep_=function(a,b,c){var d=(new Date-b)/150;1<d?a.parentNode.removeChild(a):(a.setAttribute("r",25*d*c),a.style.opacity=1-d,Blockly.BlockAnimations.disconnectPid_=setTimeout(Blockly.BlockAnimations.connectionUiStep_,10,a,b,c))};
 Blockly.BlockAnimations.disconnectUiEffect=function(a){a.workspace.getAudioManager().play("disconnect");if(!(1>a.workspace.scale)){var b=a.getHeightWidth().height;b=Math.atan(10/b)/Math.PI*180;a.RTL||(b*=-1);Blockly.BlockAnimations.disconnectUiStep_(a.getSvgRoot(),b,new Date)}};
 Blockly.BlockAnimations.disconnectUiStep_=function(a,b,c){var d=(new Date-c)/200;1<d?a.skew_="":(a.skew_="skewX("+Math.round(Math.sin(d*Math.PI*3)*(1-d)*b)+")",Blockly.BlockAnimations.disconnectGroup_=a,Blockly.BlockAnimations.disconnectPid_=setTimeout(Blockly.BlockAnimations.disconnectUiStep_,10,a,b,c));a.setAttribute("transform",a.translate_+a.skew_)};
 Blockly.BlockAnimations.disconnectUiStop=function(){if(Blockly.BlockAnimations.disconnectGroup_){clearTimeout(Blockly.BlockAnimations.disconnectPid_);var a=Blockly.BlockAnimations.disconnectGroup_;a.skew_="";a.setAttribute("transform",a.translate_);Blockly.BlockAnimations.disconnectGroup_=null}};Blockly.RenderedConnection=function(a,b){Blockly.RenderedConnection.superClass_.constructor.call(this,a,b);this.offsetInBlock_=new goog.math.Coordinate(0,0)};goog.inherits(Blockly.RenderedConnection,Blockly.Connection);Blockly.RenderedConnection.prototype.distanceFrom=function(a){var b=this.x_-a.x_;a=this.y_-a.y_;return Math.sqrt(b*b+a*a)};
 Blockly.RenderedConnection.prototype.bumpAwayFrom_=function(a){if(!this.sourceBlock_.workspace.isDragging()){var b=this.sourceBlock_.getRootBlock();if(!b.isInFlyout){var c=!1;if(!b.isMovable()){b=a.getSourceBlock().getRootBlock();if(!b.isMovable())return;a=this;c=!0}var d=Blockly.selected==b;d||b.addSelect();var e=a.x_+Blockly.SNAP_RADIUS-this.x_;a=a.y_+Blockly.SNAP_RADIUS-this.y_;c&&(a=-a);b.RTL&&(e=-e);b.moveBy(e,a);d||b.removeSelect()}}};
 Blockly.RenderedConnection.prototype.moveTo=function(a,b){this.inDB_&&this.db_.removeConnection_(this);this.x_=a;this.y_=b;this.hidden_||this.db_.addConnection(this)};Blockly.RenderedConnection.prototype.moveBy=function(a,b){this.moveTo(this.x_+a,this.y_+b)};Blockly.RenderedConnection.prototype.moveToOffset=function(a){this.moveTo(a.x+this.offsetInBlock_.x,a.y+this.offsetInBlock_.y)};
-Blockly.RenderedConnection.prototype.setOffsetInBlock=function(a,b){this.offsetInBlock_.x=a;this.offsetInBlock_.y=b};Blockly.RenderedConnection.prototype.tighten_=function(){var a=this.targetConnection.x_-this.x_,b=this.targetConnection.y_-this.y_;if(0!=a||0!=b){var c=this.targetBlock(),d=c.getSvgRoot();if(!d)throw"block is not rendered.";d=Blockly.utils.getRelativeXY(d);c.getSvgRoot().setAttribute("transform","translate("+(d.x-a)+","+(d.y-b)+")");c.moveConnections_(-a,-b)}};
+Blockly.RenderedConnection.prototype.setOffsetInBlock=function(a,b){this.offsetInBlock_.x=a;this.offsetInBlock_.y=b};Blockly.RenderedConnection.prototype.tighten_=function(){var a=this.targetConnection.x_-this.x_,b=this.targetConnection.y_-this.y_;if(0!=a||0!=b){var c=this.targetBlock(),d=c.getSvgRoot();if(!d)throw Error("block is not rendered.");d=Blockly.utils.getRelativeXY(d);c.getSvgRoot().setAttribute("transform","translate("+(d.x-a)+","+(d.y-b)+")");c.moveConnections_(-a,-b)}};
 Blockly.RenderedConnection.prototype.closest=function(a,b){return this.dbOpposite_.searchForClosest(this,a,b)};
 Blockly.RenderedConnection.prototype.highlight=function(){var a=this.type==Blockly.INPUT_VALUE||this.type==Blockly.OUTPUT_VALUE?"m 0,0 "+Blockly.BlockSvg.TAB_PATH_DOWN+" v 5":"m -20,0 h 5 "+Blockly.BlockSvg.NOTCH_PATH_LEFT+" h 5";var b=this.sourceBlock_.getRelativeToSurfaceXY();Blockly.Connection.highlightedPath_=Blockly.utils.createSvgElement("path",{"class":"blocklyHighlightedConnectionPath",d:a,transform:"translate("+(this.x_-b.x)+","+(this.y_-b.y)+")"+(this.sourceBlock_.RTL?" scale(-1 1)":"")},
 this.sourceBlock_.getSvgRoot())};
 Blockly.RenderedConnection.prototype.unhideAll=function(){this.setHidden(!1);var a=[];if(this.type!=Blockly.INPUT_VALUE&&this.type!=Blockly.NEXT_STATEMENT)return a;var b=this.targetBlock();if(b){if(b.isCollapsed()){var c=[];b.outputConnection&&c.push(b.outputConnection);b.nextConnection&&c.push(b.nextConnection);b.previousConnection&&c.push(b.previousConnection)}else c=b.getConnections_(!0);for(var d=0;d<c.length;d++)a.push.apply(a,c[d].unhideAll());a.length||(a[0]=b)}return a};
-Blockly.RenderedConnection.prototype.unhighlight=function(){goog.dom.removeNode(Blockly.Connection.highlightedPath_);delete Blockly.Connection.highlightedPath_};Blockly.RenderedConnection.prototype.setHidden=function(a){(this.hidden_=a)&&this.inDB_?this.db_.removeConnection_(this):a||this.inDB_||this.db_.addConnection(this)};
+Blockly.RenderedConnection.prototype.unhighlight=function(){Blockly.Connection.highlightedPath_.parentNode.removeChild(Blockly.Connection.highlightedPath_);delete Blockly.Connection.highlightedPath_};Blockly.RenderedConnection.prototype.setHidden=function(a){(this.hidden_=a)&&this.inDB_?this.db_.removeConnection_(this):a||this.inDB_||this.db_.addConnection(this)};
 Blockly.RenderedConnection.prototype.hideAll=function(){this.setHidden(!0);if(this.targetConnection)for(var a=this.targetBlock().getDescendants(!1),b=0;b<a.length;b++){for(var c=a[b],d=c.getConnections_(!0),e=0;e<d.length;e++)d[e].setHidden(!0);c=c.getIcons();for(e=0;e<c.length;e++)c[e].setVisible(!1)}};Blockly.RenderedConnection.prototype.isConnectionAllowed=function(a,b){return this.distanceFrom(a)>b?!1:Blockly.RenderedConnection.superClass_.isConnectionAllowed.call(this,a)};
 Blockly.RenderedConnection.prototype.disconnectInternal_=function(a,b){Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this,a,b);a.rendered&&a.render();b.rendered&&(b.updateDisabled(),b.render())};
-Blockly.RenderedConnection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);b=this.targetBlock();if(!b)throw"Couldn't respawn the shadow block that should exist here.";b.initSvg();b.render(!1);a.rendered&&a.render()}};Blockly.RenderedConnection.prototype.neighbours_=function(a){return this.dbOpposite_.getNeighbours(this,a)};
+Blockly.RenderedConnection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);b=this.targetBlock();if(!b)throw Error("Couldn't respawn the shadow block that should exist here.");b.initSvg();b.render(!1);a.rendered&&a.render()}};Blockly.RenderedConnection.prototype.neighbours_=function(a){return this.dbOpposite_.getNeighbours(this,a)};
 Blockly.RenderedConnection.prototype.connect_=function(a){Blockly.RenderedConnection.superClass_.connect_.call(this,a);var b=this.getSourceBlock();a=a.getSourceBlock();b.rendered&&b.updateDisabled();a.rendered&&a.updateDisabled();b.rendered&&a.rendered&&(this.type==Blockly.NEXT_STATEMENT||this.type==Blockly.PREVIOUS_STATEMENT?a.render():b.render())};
 Blockly.RenderedConnection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&((this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug(),this.sourceBlock_.bumpNeighbours_())};Blockly.DraggedConnectionManager=function(a){this.topBlock_=Blockly.selected=a;this.workspace_=a.workspace;this.availableConnections_=this.initAvailableConnections_();this.localConnection_=this.closestConnection_=null;this.radiusConnection_=0;this.wouldDeleteBlock_=!1};Blockly.DraggedConnectionManager.prototype.dispose=function(){this.workspace_=this.topBlock_=null;this.availableConnections_.length=0;this.localConnection_=this.closestConnection_=null};
 Blockly.DraggedConnectionManager.prototype.wouldDeleteBlock=function(){return this.wouldDeleteBlock_};Blockly.DraggedConnectionManager.prototype.wouldConnectBlock=function(){return!!this.closestConnection_};
@@ -1082,8 +1052,8 @@ Blockly.DraggedConnectionManager.prototype.update=function(a,b){var c=this.close
 Blockly.DraggedConnectionManager.prototype.removeHighlighting_=function(){this.closestConnection_&&this.closestConnection_.unhighlight()};Blockly.DraggedConnectionManager.prototype.addHighlighting_=function(){this.closestConnection_&&this.closestConnection_.highlight()};Blockly.DraggedConnectionManager.prototype.initAvailableConnections_=function(){var a=this.topBlock_.getConnections_(!1),b=this.topBlock_.lastConnectionInStack();b&&b!=this.topBlock_.nextConnection&&a.push(b);return a};
 Blockly.DraggedConnectionManager.prototype.updateClosest_=function(a){var b=this.closestConnection_;this.localConnection_=this.closestConnection_=null;this.radiusConnection_=Blockly.SNAP_RADIUS;for(var c=0;c<this.availableConnections_.length;c++){var d=this.availableConnections_[c],e=d.closest(this.radiusConnection_,a);e.connection&&(this.closestConnection_=e.connection,this.localConnection_=d,this.radiusConnection_=e.radius)}return b!=this.closestConnection_};Blockly.BlockDragger=function(a,b){this.draggingBlock_=a;this.workspace_=b;this.draggedConnectionManager_=new Blockly.DraggedConnectionManager(this.draggingBlock_);this.deleteArea_=null;this.wouldDeleteBlock_=!1;this.startXY_=this.draggingBlock_.getRelativeToSurfaceXY();this.dragIconData_=Blockly.BlockDragger.initIconData_(a)};
 Blockly.BlockDragger.prototype.dispose=function(){this.startWorkspace_=this.workspace_=this.draggingBlock_=null;this.dragIconData_.length=0;this.draggedConnectionManager_&&(this.draggedConnectionManager_.dispose(),this.draggedConnectionManager_=null)};Blockly.BlockDragger.initIconData_=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++){d=d.getIcons();for(var e=0;e<d.length;e++){var f={location:d[e].getIconLocation(),icon:d[e]};b.push(f)}}return b};
-Blockly.BlockDragger.prototype.startBlockDrag=function(a,b){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.workspace_.setResizesEnabled(!1);Blockly.BlockAnimations.disconnectUiStop();if(this.draggingBlock_.getParent()||b&&this.draggingBlock_.nextConnection&&this.draggingBlock_.nextConnection.targetBlock())this.draggingBlock_.unplug(b),a=this.pixelsToWorkspaceUnits_(a),a=goog.math.Coordinate.sum(this.startXY_,a),this.draggingBlock_.translate(a.x,a.y),Blockly.BlockAnimations.disconnectUiEffect(this.draggingBlock_);
-this.draggingBlock_.setDragging(!0);this.draggingBlock_.moveToDragSurface_();if(a=this.workspace_.getToolbox())b=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.addStyle(b)};
+Blockly.BlockDragger.prototype.startBlockDrag=function(a,b){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.workspace_.isMutator&&this.draggingBlock_.bringToFront();this.workspace_.setResizesEnabled(!1);Blockly.BlockAnimations.disconnectUiStop();if(this.draggingBlock_.getParent()||b&&this.draggingBlock_.nextConnection&&this.draggingBlock_.nextConnection.targetBlock())this.draggingBlock_.unplug(b),a=this.pixelsToWorkspaceUnits_(a),a=goog.math.Coordinate.sum(this.startXY_,a),this.draggingBlock_.translate(a.x,
+a.y),Blockly.BlockAnimations.disconnectUiEffect(this.draggingBlock_);this.draggingBlock_.setDragging(!0);this.draggingBlock_.moveToDragSurface_();if(a=this.workspace_.getToolbox())b=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.addStyle(b)};
 Blockly.BlockDragger.prototype.dragBlock=function(a,b){b=this.pixelsToWorkspaceUnits_(b);var c=goog.math.Coordinate.sum(this.startXY_,b);this.draggingBlock_.moveDuringDrag(c);this.dragIcons_(b);this.deleteArea_=this.workspace_.isDeleteArea(a);this.draggedConnectionManager_.update(b,this.deleteArea_);this.updateCursorDuringBlockDrag_()};
 Blockly.BlockDragger.prototype.endBlockDrag=function(a,b){this.dragBlock(a,b);this.dragIconData_=[];Blockly.BlockAnimations.disconnectUiStop();a=this.pixelsToWorkspaceUnits_(b);b=goog.math.Coordinate.sum(this.startXY_,a);this.draggingBlock_.moveOffDragSurface_(b);this.maybeDeleteBlock_()||(this.draggingBlock_.moveConnections_(a.x,a.y),this.draggingBlock_.setDragging(!1),this.fireMoveEvent_(),this.draggedConnectionManager_.wouldConnectBlock()?this.draggedConnectionManager_.applyConnections():this.draggingBlock_.render(),
 this.draggingBlock_.scheduleSnapAndBump());this.workspace_.setResizesEnabled(!0);if(a=this.workspace_.getToolbox())b=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.removeStyle(b);Blockly.Events.setGroup(!1)};Blockly.BlockDragger.prototype.fireMoveEvent_=function(){var a=new Blockly.Events.BlockMove(this.draggingBlock_);a.oldCoordinate=this.startXY_;a.recordNew();Blockly.Events.fire(a)};
@@ -1091,8 +1061,8 @@ Blockly.BlockDragger.prototype.maybeDeleteBlock_=function(){var a=this.workspace
 Blockly.BlockDragger.prototype.updateCursorDuringBlockDrag_=function(){this.wouldDeleteBlock_=this.draggedConnectionManager_.wouldDeleteBlock();var a=this.workspace_.trashcan;this.wouldDeleteBlock_?(this.draggingBlock_.setDeleteStyle(!0),this.deleteArea_==Blockly.DELETE_AREA_TRASH&&a&&a.setOpen_(!0)):(this.draggingBlock_.setDeleteStyle(!1),a&&a.setOpen_(!1))};
 Blockly.BlockDragger.prototype.pixelsToWorkspaceUnits_=function(a){a=new goog.math.Coordinate(a.x/this.workspace_.scale,a.y/this.workspace_.scale);this.workspace_.isMutator&&(a=a.scale(1/this.workspace_.options.parentWorkspace.scale));return a};Blockly.BlockDragger.prototype.dragIcons_=function(a){for(var b=0;b<this.dragIconData_.length;b++){var c=this.dragIconData_[b];c.icon.setIconLocation(goog.math.Coordinate.sum(c.location,a))}};Blockly.WorkspaceCommentSvg=function(a,b,c,d,e){this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyComment"},null);this.svgGroup_.translate_="";this.svgRect_=Blockly.utils.createSvgElement("rect",{"class":"blocklyCommentRect",x:0,y:0,rx:Blockly.WorkspaceCommentSvg.BORDER_RADIUS,ry:Blockly.WorkspaceCommentSvg.BORDER_RADIUS});this.svgGroup_.appendChild(this.svgRect_);this.rendered_=!1;this.useDragSurface_=Blockly.utils.is3dSupported()&&!!a.blockDragSurface_;Blockly.WorkspaceCommentSvg.superClass_.constructor.call(this,
 a,b,c,d,e);this.render()};goog.inherits(Blockly.WorkspaceCommentSvg,Blockly.WorkspaceComment);Blockly.WorkspaceCommentSvg.DEFAULT_SIZE=100;
-Blockly.WorkspaceCommentSvg.prototype.dispose=function(){this.workspace&&(Blockly.selected==this&&(this.unselect(),this.workspace.cancelCurrentGesture()),Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.CommentDelete(this)),goog.dom.removeNode(this.svgGroup_),this.svgRect_=this.svgGroup_=null,this.disposeInternal_(),Blockly.Events.disable(),Blockly.WorkspaceCommentSvg.superClass_.dispose.call(this),Blockly.Events.enable())};
-Blockly.WorkspaceCommentSvg.prototype.initSvg=function(){goog.asserts.assert(this.workspace.rendered,"Workspace is headless.");this.workspace.options.readOnly||this.eventsInit_||(Blockly.bindEventWithChecks_(this.svgRectTarget_,"mousedown",this,this.pathMouseDown_),Blockly.bindEventWithChecks_(this.svgHandleTarget_,"mousedown",this,this.pathMouseDown_));this.eventsInit_=!0;this.updateMovable();this.getSvgRoot().parentNode||this.workspace.getBubbleCanvas().appendChild(this.getSvgRoot())};
+Blockly.WorkspaceCommentSvg.prototype.dispose=function(){this.workspace&&(Blockly.selected==this&&(this.unselect(),this.workspace.cancelCurrentGesture()),Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.CommentDelete(this)),this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgRect_=this.svgGroup_=null,this.disposeInternal_(),Blockly.Events.disable(),Blockly.WorkspaceCommentSvg.superClass_.dispose.call(this),Blockly.Events.enable())};
+Blockly.WorkspaceCommentSvg.prototype.initSvg=function(){if(!this.workspace.rendered)throw TypeError("Workspace is headless.");this.workspace.options.readOnly||this.eventsInit_||(Blockly.bindEventWithChecks_(this.svgRectTarget_,"mousedown",this,this.pathMouseDown_),Blockly.bindEventWithChecks_(this.svgHandleTarget_,"mousedown",this,this.pathMouseDown_));this.eventsInit_=!0;this.updateMovable();this.getSvgRoot().parentNode||this.workspace.getBubbleCanvas().appendChild(this.getSvgRoot())};
 Blockly.WorkspaceCommentSvg.prototype.pathMouseDown_=function(a){var b=this.workspace.getGesture(a);b&&b.handleBubbleStart(a,this)};Blockly.WorkspaceCommentSvg.prototype.showContextMenu_=function(a){if(!this.workspace.options.readOnly){var b=[];this.isDeletable()&&this.isMovable()&&(b.push(Blockly.ContextMenu.commentDuplicateOption(this)),b.push(Blockly.ContextMenu.commentDeleteOption(this)));Blockly.ContextMenu.show(a,b,this.RTL)}};
 Blockly.WorkspaceCommentSvg.prototype.select=function(){if(Blockly.selected!=this){var a=null;if(Blockly.selected){a=Blockly.selected.id;Blockly.Events.disable();try{Blockly.selected.unselect()}finally{Blockly.Events.enable()}}a=new Blockly.Events.Ui(null,"selected",a,this.id);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=this;this.addSelect()}};
 Blockly.WorkspaceCommentSvg.prototype.unselect=function(){if(Blockly.selected==this){var a=new Blockly.Events.Ui(null,"selected",this.id,null);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=null;this.removeSelect();this.blurFocus()}};Blockly.WorkspaceCommentSvg.prototype.addSelect=function(){Blockly.utils.addClass(this.svgGroup_,"blocklySelected");this.setFocus()};
@@ -1115,12 +1085,12 @@ Blockly.BubbleDragger.prototype.endBubbleDrag=function(a,b){this.dragBubble(a,b)
 "blocklyToolboxDelete":"blocklyToolboxGrab",this.workspace_.toolbox_.removeStyle(a));Blockly.Events.setGroup(!1)};Blockly.BubbleDragger.prototype.fireMoveEvent_=function(){if(this.draggingBubble_.isComment){var a=new Blockly.Events.CommentMove(this.draggingBubble_);a.setOldCoordinate(this.startXY_);a.recordNew();Blockly.Events.fire(a)}};
 Blockly.BubbleDragger.prototype.pixelsToWorkspaceUnits_=function(a){a=new goog.math.Coordinate(a.x/this.workspace_.scale,a.y/this.workspace_.scale);this.workspace_.isMutator&&(a=a.scale(1/this.workspace_.options.parentWorkspace.scale));return a};Blockly.BubbleDragger.prototype.moveToDragSurface_=function(){this.draggingBubble_.moveTo(0,0);this.dragSurface_.translateSurface(this.startXY_.x,this.startXY_.y);this.dragSurface_.setBlocksAndShow(this.draggingBubble_.getSvgRoot())};Blockly.WorkspaceDragger=function(a){this.workspace_=a;this.startDragMetrics_=a.getMetrics();this.startScrollXY_=new goog.math.Coordinate(a.scrollX,a.scrollY)};Blockly.WorkspaceDragger.prototype.dispose=function(){this.workspace_=null};Blockly.WorkspaceDragger.prototype.startDrag=function(){Blockly.selected&&Blockly.selected.unselect();this.workspace_.setupDragSurface()};Blockly.WorkspaceDragger.prototype.endDrag=function(a){this.drag(a);this.workspace_.resetDragSurface()};
 Blockly.WorkspaceDragger.prototype.drag=function(a){var b=this.startDragMetrics_,c=goog.math.Coordinate.sum(this.startScrollXY_,a);a=Math.min(c.x,-b.contentLeft);c=Math.min(c.y,-b.contentTop);a=Math.max(a,b.viewWidth-b.contentLeft-b.contentWidth);c=Math.max(c,b.viewHeight-b.contentTop-b.contentHeight);a=-a-b.contentLeft;c=-c-b.contentTop;this.updateScroll_(a,c)};Blockly.WorkspaceDragger.prototype.updateScroll_=function(a,b){this.workspace_.scrollbar.set(a,b)};Blockly.FlyoutDragger=function(a){Blockly.FlyoutDragger.superClass_.constructor.call(this,a.getWorkspace());this.scrollbar_=a.scrollbar_;this.horizontalLayout_=a.horizontalLayout_};goog.inherits(Blockly.FlyoutDragger,Blockly.WorkspaceDragger);Blockly.FlyoutDragger.prototype.updateScroll_=function(a,b){this.horizontalLayout_?this.scrollbar_.set(a):this.scrollbar_.set(b)};Blockly.Tooltip={};Blockly.Tooltip.visible=!1;Blockly.Tooltip.blocked_=!1;Blockly.Tooltip.LIMIT=50;Blockly.Tooltip.mouseOutPid_=0;Blockly.Tooltip.showPid_=0;Blockly.Tooltip.lastX_=0;Blockly.Tooltip.lastY_=0;Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.OFFSET_X=0;Blockly.Tooltip.OFFSET_Y=10;Blockly.Tooltip.RADIUS_OK=10;Blockly.Tooltip.HOVER_MS=750;Blockly.Tooltip.MARGINS=5;Blockly.Tooltip.DIV=null;
-Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=goog.dom.createDom("DIV","blocklyTooltipDiv"),document.body.appendChild(Blockly.Tooltip.DIV))};Blockly.Tooltip.bindMouseEvents=function(a){Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);a.addEventListener("mousemove",Blockly.Tooltip.onMouseMove_,!1)};
-Blockly.Tooltip.onMouseOver_=function(a){if(!Blockly.Tooltip.blocked_){for(a=a.target;!goog.isString(a.tooltip)&&!goog.isFunction(a.tooltip);)a=a.tooltip;Blockly.Tooltip.element_!=a&&(Blockly.Tooltip.hide(),Blockly.Tooltip.poisonedElement_=null,Blockly.Tooltip.element_=a);clearTimeout(Blockly.Tooltip.mouseOutPid_)}};
+Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=document.createElement("div"),Blockly.Tooltip.DIV.className="blocklyTooltipDiv",document.body.appendChild(Blockly.Tooltip.DIV))};Blockly.Tooltip.bindMouseEvents=function(a){Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);a.addEventListener("mousemove",Blockly.Tooltip.onMouseMove_,!1)};
+Blockly.Tooltip.onMouseOver_=function(a){if(!Blockly.Tooltip.blocked_){for(a=a.target;"string"!=typeof a.tooltip&&"function"!=typeof a.tooltip;)a=a.tooltip;Blockly.Tooltip.element_!=a&&(Blockly.Tooltip.hide(),Blockly.Tooltip.poisonedElement_=null,Blockly.Tooltip.element_=a);clearTimeout(Blockly.Tooltip.mouseOutPid_)}};
 Blockly.Tooltip.onMouseOut_=function(a){Blockly.Tooltip.blocked_||(Blockly.Tooltip.mouseOutPid_=setTimeout(function(){Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.hide()},1),clearTimeout(Blockly.Tooltip.showPid_))};
 Blockly.Tooltip.onMouseMove_=function(a){if(Blockly.Tooltip.element_&&Blockly.Tooltip.element_.tooltip&&!Blockly.WidgetDiv.isVisible()&&!Blockly.Tooltip.blocked_)if(Blockly.Tooltip.visible){var b=Blockly.Tooltip.lastX_-a.pageX;a=Blockly.Tooltip.lastY_-a.pageY;Math.sqrt(b*b+a*a)>Blockly.Tooltip.RADIUS_OK&&Blockly.Tooltip.hide()}else Blockly.Tooltip.poisonedElement_!=Blockly.Tooltip.element_&&(clearTimeout(Blockly.Tooltip.showPid_),Blockly.Tooltip.lastX_=a.pageX,Blockly.Tooltip.lastY_=a.pageY,Blockly.Tooltip.showPid_=
 setTimeout(Blockly.Tooltip.show_,Blockly.Tooltip.HOVER_MS))};Blockly.Tooltip.hide=function(){Blockly.Tooltip.visible&&(Blockly.Tooltip.visible=!1,Blockly.Tooltip.DIV&&(Blockly.Tooltip.DIV.style.display="none"));Blockly.Tooltip.showPid_&&clearTimeout(Blockly.Tooltip.showPid_)};Blockly.Tooltip.block=function(){Blockly.Tooltip.hide();Blockly.Tooltip.blocked_=!0};Blockly.Tooltip.unblock=function(){Blockly.Tooltip.blocked_=!1};
-Blockly.Tooltip.show_=function(){if(!Blockly.Tooltip.blocked_&&(Blockly.Tooltip.poisonedElement_=Blockly.Tooltip.element_,Blockly.Tooltip.DIV)){goog.dom.removeChildren(Blockly.Tooltip.DIV);for(var a=Blockly.Tooltip.element_.tooltip;goog.isFunction(a);)a=a();a=Blockly.utils.wrap(a,Blockly.Tooltip.LIMIT);a=a.split("\n");for(var b=0;b<a.length;b++){var c=document.createElement("div");c.appendChild(document.createTextNode(a[b]));Blockly.Tooltip.DIV.appendChild(c)}a=Blockly.Tooltip.element_.RTL;b=goog.dom.getViewportSize();
+Blockly.Tooltip.show_=function(){if(!Blockly.Tooltip.blocked_&&(Blockly.Tooltip.poisonedElement_=Blockly.Tooltip.element_,Blockly.Tooltip.DIV)){Blockly.Tooltip.DIV.innerHTML="";for(var a=Blockly.Tooltip.element_.tooltip;"function"==typeof a;)a=a();a=Blockly.utils.wrap(a,Blockly.Tooltip.LIMIT);a=a.split("\n");for(var b=0;b<a.length;b++){var c=document.createElement("div");c.appendChild(document.createTextNode(a[b]));Blockly.Tooltip.DIV.appendChild(c)}a=Blockly.Tooltip.element_.RTL;b=goog.dom.getViewportSize();
 Blockly.Tooltip.DIV.style.direction=a?"rtl":"ltr";Blockly.Tooltip.DIV.style.display="block";Blockly.Tooltip.visible=!0;c=Blockly.Tooltip.lastX_;c=a?c-(Blockly.Tooltip.OFFSET_X+Blockly.Tooltip.DIV.offsetWidth):c+Blockly.Tooltip.OFFSET_X;var d=Blockly.Tooltip.lastY_+Blockly.Tooltip.OFFSET_Y;d+Blockly.Tooltip.DIV.offsetHeight>b.height+window.scrollY&&(d-=Blockly.Tooltip.DIV.offsetHeight+2*Blockly.Tooltip.OFFSET_Y);a?c=Math.max(Blockly.Tooltip.MARGINS-window.scrollX,c):c+Blockly.Tooltip.DIV.offsetWidth>
 b.width+window.scrollX-2*Blockly.Tooltip.MARGINS&&(c=b.width-Blockly.Tooltip.DIV.offsetWidth-2*Blockly.Tooltip.MARGINS);Blockly.Tooltip.DIV.style.top=d+"px";Blockly.Tooltip.DIV.style.left=c+"px"}};Blockly.Gesture=function(a,b){this.startWorkspace_=this.targetBlock_=this.startBlock_=this.startField_=this.startBubble_=this.currentDragDeltaXY_=this.mouseDownXY_=null;this.creatorWorkspace_=b;this.isDraggingBubble_=this.isDraggingBlock_=this.isDraggingWorkspace_=this.hasExceededDragRadius_=!1;this.mostRecentEvent_=a;this.flyout_=this.workspaceDragger_=this.blockDragger_=this.bubbleDragger_=this.onUpWrapper_=this.onMoveWrapper_=null;this.isEnding_=this.hasStarted_=this.calledUpdateIsDragging_=!1;
 this.healStack_=!Blockly.DRAG_STACK};
@@ -1130,53 +1100,33 @@ Blockly.Gesture.prototype.updateDragDelta_=function(a){this.currentDragDeltaXY_=
 Blockly.Gesture.prototype.updateIsDraggingFromFlyout_=function(){return this.targetBlock_.disabled?!1:!this.flyout_.isScrollable()||this.flyout_.isDragTowardWorkspace(this.currentDragDeltaXY_)?(this.startWorkspace_=this.flyout_.targetWorkspace_,this.startWorkspace_.updateScreenCalculationsIfScrolled(),Blockly.Events.getGroup()||Blockly.Events.setGroup(!0),this.startBlock_=null,this.targetBlock_=this.flyout_.createBlock(this.targetBlock_),this.targetBlock_.select(),!0):!1};
 Blockly.Gesture.prototype.updateIsDraggingBubble_=function(){if(!this.startBubble_)return!1;this.isDraggingBubble_=!0;this.startDraggingBubble_();return!0};Blockly.Gesture.prototype.updateIsDraggingBlock_=function(){if(!this.targetBlock_)return!1;this.flyout_?this.isDraggingBlock_=this.updateIsDraggingFromFlyout_():this.targetBlock_.isMovable()&&(this.isDraggingBlock_=!0);return this.isDraggingBlock_?(this.startDraggingBlock_(),!0):!1};
 Blockly.Gesture.prototype.updateIsDraggingWorkspace_=function(){if(this.flyout_?this.flyout_.isScrollable():this.startWorkspace_&&this.startWorkspace_.isDraggable())this.workspaceDragger_=this.flyout_?new Blockly.FlyoutDragger(this.flyout_):new Blockly.WorkspaceDragger(this.startWorkspace_),this.isDraggingWorkspace_=!0,this.workspaceDragger_.startDrag()};
-Blockly.Gesture.prototype.updateIsDragging_=function(){goog.asserts.assert(!this.calledUpdateIsDragging_,"updateIsDragging_ should only be called once per gesture.");this.calledUpdateIsDragging_=!0;this.updateIsDraggingBubble_()||this.updateIsDraggingBlock_()||this.updateIsDraggingWorkspace_()};
+Blockly.Gesture.prototype.updateIsDragging_=function(){if(this.calledUpdateIsDragging_)throw Error("updateIsDragging_ should only be called once per gesture.");this.calledUpdateIsDragging_=!0;this.updateIsDraggingBubble_()||this.updateIsDraggingBlock_()||this.updateIsDraggingWorkspace_()};
 Blockly.Gesture.prototype.startDraggingBlock_=function(){this.blockDragger_=new Blockly.BlockDragger(this.targetBlock_,this.startWorkspace_);this.blockDragger_.startBlockDrag(this.currentDragDeltaXY_,this.healStack_);this.blockDragger_.dragBlock(this.mostRecentEvent_,this.currentDragDeltaXY_)};
 Blockly.Gesture.prototype.startDraggingBubble_=function(){this.bubbleDragger_=new Blockly.BubbleDragger(this.startBubble_,this.startWorkspace_);this.bubbleDragger_.startBubbleDrag();this.bubbleDragger_.dragBubble(this.mostRecentEvent_,this.currentDragDeltaXY_)};
-Blockly.Gesture.prototype.doStart=function(a){Blockly.utils.isTargetInput(a)?this.cancel():(this.hasStarted_=!0,Blockly.BlockAnimations.disconnectUiStop(),this.startWorkspace_.updateScreenCalculationsIfScrolled(),this.startWorkspace_.isMutator&&this.startWorkspace_.resize(),this.startWorkspace_.markFocused(),this.mostRecentEvent_=a,Blockly.hideChaff(!!this.flyout_),Blockly.Tooltip.block(),this.targetBlock_&&this.targetBlock_.select(),Blockly.utils.isRightButton(a)?this.handleRightClick(a):((goog.string.caseInsensitiveEquals(a.type,
-"touchstart")||goog.string.caseInsensitiveEquals(a.type,"pointerdown")&&"mouse"!=a.pointerType)&&Blockly.longStart_(a,this),this.mouseDownXY_=new goog.math.Coordinate(a.clientX,a.clientY),this.healStack_=a.altKey||a.ctrlKey||a.metaKey,this.bindMouseEvents(a)))};
+Blockly.Gesture.prototype.doStart=function(a){Blockly.utils.isTargetInput(a)?this.cancel():(this.hasStarted_=!0,Blockly.BlockAnimations.disconnectUiStop(),this.startWorkspace_.updateScreenCalculationsIfScrolled(),this.startWorkspace_.isMutator&&this.startWorkspace_.resize(),this.startWorkspace_.markFocused(),this.mostRecentEvent_=a,Blockly.hideChaff(!!this.flyout_),Blockly.Tooltip.block(),this.targetBlock_&&this.targetBlock_.select(),Blockly.utils.isRightButton(a)?this.handleRightClick(a):("touchstart"!=
+a.type.toLowerCase()&&"pointerdown"!=a.type.toLowerCase()||"mouse"==a.pointerType||Blockly.longStart_(a,this),this.mouseDownXY_=new goog.math.Coordinate(a.clientX,a.clientY),this.healStack_=a.altKey||a.ctrlKey||a.metaKey,this.bindMouseEvents(a)))};
 Blockly.Gesture.prototype.bindMouseEvents=function(a){this.onMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",null,this.handleMove.bind(this));this.onUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",null,this.handleUp.bind(this));a.preventDefault();a.stopPropagation()};
 Blockly.Gesture.prototype.handleMove=function(a){this.updateFromEvent_(a);this.isDraggingWorkspace_?this.workspaceDragger_.drag(this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.dragBlock(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingBubble_&&this.bubbleDragger_.dragBubble(this.mostRecentEvent_,this.currentDragDeltaXY_);a.preventDefault();a.stopPropagation()};
 Blockly.Gesture.prototype.handleUp=function(a){this.updateFromEvent_(a);Blockly.longStop_();this.isEnding_?console.log("Trying to end a gesture recursively."):(this.isEnding_=!0,this.isDraggingBubble_?this.bubbleDragger_.endBubbleDrag(a,this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.endBlockDrag(a,this.currentDragDeltaXY_):this.isDraggingWorkspace_?this.workspaceDragger_.endDrag(this.currentDragDeltaXY_):this.isBubbleClick_()?this.doBubbleClick_():this.isFieldClick_()?this.doFieldClick_():
 this.isBlockClick_()?this.doBlockClick_():this.isWorkspaceClick_()&&this.doWorkspaceClick_(),a.preventDefault(),a.stopPropagation(),this.dispose())};
 Blockly.Gesture.prototype.cancel=function(){this.isEnding_||(Blockly.longStop_(),this.isDraggingBubble_?this.bubbleDragger_.endBubbleDrag(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.endBlockDrag(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingWorkspace_&&this.workspaceDragger_.endDrag(this.currentDragDeltaXY_),this.dispose())};
 Blockly.Gesture.prototype.handleRightClick=function(a){this.targetBlock_?(this.bringBlockToFront_(),Blockly.hideChaff(this.flyout_),this.targetBlock_.showContextMenu_(a)):this.startBubble_?this.startBubble_.showContextMenu_(a):this.startWorkspace_&&!this.flyout_&&(Blockly.hideChaff(),this.startWorkspace_.showContextMenu_(a));a.preventDefault();a.stopPropagation();this.dispose()};
-Blockly.Gesture.prototype.handleWsStart=function(a,b){goog.asserts.assert(!this.hasStarted_,"Tried to call gesture.handleWsStart, but the gesture had already been started.");this.setStartWorkspace_(b);this.mostRecentEvent_=a;this.doStart(a)};Blockly.Gesture.prototype.handleFlyoutStart=function(a,b){goog.asserts.assert(!this.hasStarted_,"Tried to call gesture.handleFlyoutStart, but the gesture had already been started.");this.setStartFlyout_(b);this.handleWsStart(a,b.getWorkspace())};
-Blockly.Gesture.prototype.handleBlockStart=function(a,b){goog.asserts.assert(!this.hasStarted_,"Tried to call gesture.handleBlockStart, but the gesture had already been started.");this.setStartBlock(b);this.mostRecentEvent_=a};Blockly.Gesture.prototype.handleBubbleStart=function(a,b){goog.asserts.assert(!this.hasStarted_,"Tried to call gesture.handleBubbleStart, but the gesture had already been started.");this.setStartBubble(b);this.mostRecentEvent_=a};
+Blockly.Gesture.prototype.handleWsStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleWsStart, but the gesture had already been started.");this.setStartWorkspace_(b);this.mostRecentEvent_=a;this.doStart(a)};Blockly.Gesture.prototype.handleFlyoutStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleFlyoutStart, but the gesture had already been started.");this.setStartFlyout_(b);this.handleWsStart(a,b.getWorkspace())};
+Blockly.Gesture.prototype.handleBlockStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleBlockStart, but the gesture had already been started.");this.setStartBlock(b);this.mostRecentEvent_=a};Blockly.Gesture.prototype.handleBubbleStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleBubbleStart, but the gesture had already been started.");this.setStartBubble(b);this.mostRecentEvent_=a};
 Blockly.Gesture.prototype.doBubbleClick_=function(){this.startBubble_.setFocus&&this.startBubble_.setFocus();this.startBubble_.select&&this.startBubble_.select()};Blockly.Gesture.prototype.doFieldClick_=function(){this.startField_.showEditor_();this.bringBlockToFront_()};
 Blockly.Gesture.prototype.doBlockClick_=function(){this.flyout_&&this.flyout_.autoClose?this.targetBlock_.disabled||(Blockly.Events.getGroup()||Blockly.Events.setGroup(!0),this.flyout_.createBlock(this.targetBlock_).scheduleSnapAndBump()):Blockly.Events.fire(new Blockly.Events.Ui(this.startBlock_,"click",void 0,void 0));this.bringBlockToFront_();Blockly.Events.setGroup(!1)};Blockly.Gesture.prototype.doWorkspaceClick_=function(){Blockly.selected&&Blockly.selected.unselect()};
-Blockly.Gesture.prototype.bringBlockToFront_=function(){this.targetBlock_&&!this.flyout_&&this.targetBlock_.bringToFront()};Blockly.Gesture.prototype.setStartField=function(a){goog.asserts.assert(!this.hasStarted_,"Tried to call gesture.setStartField, but the gesture had already been started.");this.startField_||(this.startField_=a)};Blockly.Gesture.prototype.setStartBubble=function(a){this.startBubble_||(this.startBubble_=a)};
+Blockly.Gesture.prototype.bringBlockToFront_=function(){this.targetBlock_&&!this.flyout_&&this.targetBlock_.bringToFront()};Blockly.Gesture.prototype.setStartField=function(a){if(this.hasStarted_)throw Error("Tried to call gesture.setStartField, but the gesture had already been started.");this.startField_||(this.startField_=a)};Blockly.Gesture.prototype.setStartBubble=function(a){this.startBubble_||(this.startBubble_=a)};
 Blockly.Gesture.prototype.setStartBlock=function(a){this.startBlock_||this.startBubble_||(this.startBlock_=a,a.isInFlyout&&a!=a.getRootBlock()?this.setTargetBlock_(a.getRootBlock()):this.setTargetBlock_(a))};Blockly.Gesture.prototype.setTargetBlock_=function(a){a.isShadow()?this.setTargetBlock_(a.getParent()):this.targetBlock_=a};Blockly.Gesture.prototype.setStartWorkspace_=function(a){this.startWorkspace_||(this.startWorkspace_=a)};
 Blockly.Gesture.prototype.setStartFlyout_=function(a){this.flyout_||(this.flyout_=a)};Blockly.Gesture.prototype.isBubbleClick_=function(){return!!this.startBubble_&&!this.hasExceededDragRadius_};Blockly.Gesture.prototype.isBlockClick_=function(){return!!this.startBlock_&&!this.hasExceededDragRadius_&&!this.isFieldClick_()};Blockly.Gesture.prototype.isFieldClick_=function(){return(this.startField_?this.startField_.isCurrentlyEditable():!1)&&!this.hasExceededDragRadius_&&(!this.flyout_||!this.flyout_.autoClose)};
-Blockly.Gesture.prototype.isWorkspaceClick_=function(){return!this.startBlock_&&!this.startBubble_&&!this.startField_&&!this.hasExceededDragRadius_};Blockly.Gesture.prototype.isDragging=function(){return this.isDraggingWorkspace_||this.isDraggingBlock_||this.isDraggingBubble_};Blockly.Gesture.prototype.hasStarted=function(){return this.hasStarted_};Blockly.utils={};Blockly.utils.removeAttribute=function(a,b){goog.userAgent.IE&&goog.userAgent.isVersion("10.0")?a.setAttribute(b,null):a.removeAttribute(b)};Blockly.utils.addClass=function(a,b){var c=a.getAttribute("class")||"";if(-1!=(" "+c+" ").indexOf(" "+b+" "))return!1;c&&(c+=" ");a.setAttribute("class",c+b);return!0};
-Blockly.utils.removeClass=function(a,b){var c=a.getAttribute("class");if(-1==(" "+c+" ").indexOf(" "+b+" "))return!1;c=c.split(/\s+/);for(var d=0;d<c.length;d++)c[d]&&c[d]!=b||(c.splice(d,1),d--);c.length?a.setAttribute("class",c.join(" ")):Blockly.utils.removeAttribute(a,"class");return!0};Blockly.utils.hasClass=function(a,b){return-1!=(" "+a.getAttribute("class")+" ").indexOf(" "+b+" ")};Blockly.utils.noEvent=function(a){a.preventDefault();a.stopPropagation()};
-Blockly.utils.isTargetInput=function(a){return"textarea"==a.target.type||"text"==a.target.type||"number"==a.target.type||"email"==a.target.type||"password"==a.target.type||"search"==a.target.type||"tel"==a.target.type||"url"==a.target.type||a.target.isContentEditable};
-Blockly.utils.getRelativeXY=function(a){var b=new goog.math.Coordinate(0,0),c=a.getAttribute("x");c&&(b.x=parseInt(c,10));if(c=a.getAttribute("y"))b.y=parseInt(c,10);if(c=(c=a.getAttribute("transform"))&&c.match(Blockly.utils.getRelativeXY.XY_REGEX_))b.x+=parseFloat(c[1]),c[3]&&(b.y+=parseFloat(c[3]));(a=a.getAttribute("style"))&&-1<a.indexOf("translate")&&((c=a.match(Blockly.utils.getRelativeXY.XY_2D_REGEX_))||(c=a.match(Blockly.utils.getRelativeXY.XY_3D_REGEX_)),c&&(b.x+=parseFloat(c[1]),c[3]&&
-(b.y+=parseFloat(c[3]))));return b};Blockly.utils.getInjectionDivXY_=function(a){for(var b=0,c=0;a;){var d=Blockly.utils.getRelativeXY(a);b+=d.x;c+=d.y;if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv "))break;a=a.parentNode}return new goog.math.Coordinate(b,c)};Blockly.utils.getRelativeXY.XY_REGEX_=/translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*\))?/;Blockly.utils.getRelativeXY.XY_3D_REGEX_=/transform:\s*translate3d\(\s*([-+\d.e]+)px([ ,]\s*([-+\d.e]+)\s*)px([ ,]\s*([-+\d.e]+)\s*)px\)?/;
-Blockly.utils.getRelativeXY.XY_2D_REGEX_=/transform:\s*translate\(\s*([-+\d.e]+)px([ ,]\s*([-+\d.e]+)\s*)px\)?/;Blockly.utils.createSvgElement=function(a,b,c){a=document.createElementNS(Blockly.SVG_NS,a);for(var d in b)a.setAttribute(d,b[d]);document.body.runtimeStyle&&(a.runtimeStyle=a.currentStyle=a.style);c&&c.appendChild(a);return a};Blockly.utils.isRightButton=function(a){return a.ctrlKey&&goog.userAgent.MAC?!0:2==a.button};
-Blockly.utils.mouseToSvg=function(a,b,c){var d=b.createSVGPoint();d.x=a.clientX;d.y=a.clientY;c||(c=b.getScreenCTM().inverse());return d.matrixTransform(c)};Blockly.utils.shortestStringLength=function(a){return a.length?a.reduce(function(a,c){return a.length<c.length?a:c}).length:0};
-Blockly.utils.commonWordPrefix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0][d],f=1;f<a.length;f++)if(e!=a[f][d])return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f][d])&&" "!=e)return c;return b};
-Blockly.utils.commonWordSuffix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0].substr(-d-1,1),f=1;f<a.length;f++)if(e!=a[f].substr(-d-1,1))return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f].charAt(a[f].length-d-1))&&" "!=e)return c;return b};Blockly.utils.tokenizeInterpolation=function(a){return Blockly.utils.tokenizeInterpolation_(a,!0)};
-Blockly.utils.replaceMessageReferences=function(a){if(!goog.isString(a))return a;a=Blockly.utils.tokenizeInterpolation_(a,!1);return a.length?a[0]:""};
-Blockly.utils.checkMessageReferences=function(a){for(var b=!0,c=Blockly.Msg,d=/%{(BKY_[A-Z][A-Z0-9_]*)}/gi,e=d.exec(a);e;){var f=e[1];f=f.toUpperCase();"BKY_"!=f.substr(0,4)?(console.log("WARNING: Unsupported message table prefix in %{"+e[1]+"}."),b=!1):void 0==c[f.substr(4)]&&(console.log("WARNING: No message string for %{"+e[1]+"}."),b=!1);a=a.substring(e.index+f.length+1);e=d.exec(a)}return b};
-Blockly.utils.tokenizeInterpolation_=function(a,b){var c=[],d=a.split("");d.push("");var e=0;a=[];for(var f=null,g=0;g<d.length;g++){var h=d[g];0==e?"%"==h?((h=a.join(""))&&c.push(h),a.length=0,e=1):a.push(h):1==e?"%"==h?(a.push(h),e=0):b&&"0"<=h&&"9">=h?(e=2,f=h,(h=a.join(""))&&c.push(h),a.length=0):"{"==h?e=3:(a.push("%",h),e=0):2==e?"0"<=h&&"9">=h?f+=h:(c.push(parseInt(f,10)),g--,e=0):3==e&&(""==h?(a.splice(0,0,"%{"),g--,e=0):"}"!=h?a.push(h):(e=a.join(""),/[a-zA-Z][a-zA-Z0-9_]*/.test(e)?(h=e.toUpperCase(),
-(h=goog.string.startsWith(h,"BKY_")?h.substring(4):null)&&h in Blockly.Msg?(e=Blockly.Msg[h],goog.isString(e)?Array.prototype.push.apply(c,Blockly.utils.tokenizeInterpolation_(e,b)):b?c.push(String(e)):c.push(e)):c.push("%{"+e+"}")):c.push("%{"+e+"}"),e=a.length=0))}(h=a.join(""))&&c.push(h);b=[];for(g=a.length=0;g<c.length;++g)"string"==typeof c[g]?a.push(c[g]):((h=a.join(""))&&b.push(h),a.length=0,b.push(c[g]));(h=a.join(""))&&b.push(h);a.length=0;return b};
-Blockly.utils.genUid=function(){for(var a=Blockly.utils.genUid.soup_.length,b=[],c=0;20>c;c++)b[c]=Blockly.utils.genUid.soup_.charAt(Math.random()*a);return b.join("")};Blockly.utils.genUid.soup_="!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";Blockly.utils.wrap=function(a,b){a=a.split("\n");for(var c=0;c<a.length;c++)a[c]=Blockly.utils.wrapLine_(a[c],b);return a.join("\n")};
-Blockly.utils.wrapLine_=function(a,b){if(a.length<=b)return a;for(var c=a.trim().split(/\s+/),d=0;d<c.length;d++)c[d].length>b&&(b=c[d].length);d=-Infinity;var e=1;do{var f=d;var g=a;a=[];var h=c.length/e,k=1;for(d=0;d<c.length-1;d++)k<(d+1.5)/h?(k++,a[d]=!0):a[d]=!1;a=Blockly.utils.wrapMutate_(c,a,b);d=Blockly.utils.wrapScore_(c,a,b);a=Blockly.utils.wrapToText_(c,a);e++}while(d>f);return g};
-Blockly.utils.wrapScore_=function(a,b,c){for(var d=[0],e=[],f=0;f<a.length;f++)d[d.length-1]+=a[f].length,!0===b[f]?(d.push(0),e.push(a[f].charAt(a[f].length-1))):!1===b[f]&&d[d.length-1]++;a=Math.max.apply(Math,d);for(f=b=0;f<d.length;f++)b-=2*Math.pow(Math.abs(c-d[f]),1.5),b-=Math.pow(a-d[f],1.5),-1!=".?!".indexOf(e[f])?b+=c/3:-1!=",;)]}".indexOf(e[f])&&(b+=c/4);1<d.length&&d[d.length-1]<=d[d.length-2]&&(b+=.5);return b};
-Blockly.utils.wrapMutate_=function(a,b,c){for(var d=Blockly.utils.wrapScore_(a,b,c),e,f=0;f<b.length-1;f++)if(b[f]!=b[f+1]){var g=[].concat(b);g[f]=!g[f];g[f+1]=!g[f+1];var h=Blockly.utils.wrapScore_(a,g,c);h>d&&(d=h,e=g)}return e?Blockly.utils.wrapMutate_(a,e,c):b};Blockly.utils.wrapToText_=function(a,b){for(var c=[],d=0;d<a.length;d++)c.push(a[d]),void 0!==b[d]&&c.push(b[d]?"\n":" ");return c.join("")};
-Blockly.utils.is3dSupported=function(){if(void 0!==Blockly.utils.is3dSupported.cached_)return Blockly.utils.is3dSupported.cached_;if(!goog.global.getComputedStyle)return!1;var a=document.createElement("p"),b="none",c={webkitTransform:"-webkit-transform",OTransform:"-o-transform",msTransform:"-ms-transform",MozTransform:"-moz-transform",transform:"transform"};document.body.insertBefore(a,null);for(var d in c)if(void 0!==a.style[d]){a.style[d]="translate3d(1px,1px,1px)";b=goog.global.getComputedStyle(a);
-if(!b)return document.body.removeChild(a),!1;b=b.getPropertyValue(c[d])}document.body.removeChild(a);Blockly.utils.is3dSupported.cached_="none"!==b;return Blockly.utils.is3dSupported.cached_};Blockly.utils.insertAfter_=function(a,b){var c=b.nextSibling;b=b.parentNode;if(!b)throw"Reference node has no parent.";c?b.insertBefore(a,c):b.appendChild(a)};
-Blockly.utils.runAfterPageLoad=function(a){if("object"!=typeof document)throw Error("Blockly.utils.runAfterPageLoad() requires browser document.");if("complete"===document.readyState)a();else var b=setInterval(function(){"complete"===document.readyState&&(clearInterval(b),a())},10)};Blockly.utils.setCssTransform=function(a,b){a.style.transform=b;a.style["-webkit-transform"]=b};
-Blockly.utils.getViewportBBox=function(){var a=goog.dom.getViewportSize(),b=goog.style.getViewportPageOffset(document);return{right:a.width+b.x,bottom:a.height+b.y,top:b.y,left:b.x}};Blockly.Grid=function(a,b){this.gridPattern_=a;this.spacing_=b.spacing;this.length_=b.length;this.line2_=(this.line1_=a.firstChild)&&this.line1_.nextSibling;this.snapToGrid_=b.snap};Blockly.Grid.prototype.scale_=1;Blockly.Grid.prototype.dispose=function(){this.gridPattern_=null};Blockly.Grid.prototype.shouldSnap=function(){return this.snapToGrid_};Blockly.Grid.prototype.getSpacing=function(){return this.spacing_};Blockly.Grid.prototype.getPatternId=function(){return this.gridPattern_.id};
+Blockly.Gesture.prototype.isWorkspaceClick_=function(){return!this.startBlock_&&!this.startBubble_&&!this.startField_&&!this.hasExceededDragRadius_};Blockly.Gesture.prototype.isDragging=function(){return this.isDraggingWorkspace_||this.isDraggingBlock_||this.isDraggingBubble_};Blockly.Gesture.prototype.hasStarted=function(){return this.hasStarted_};Blockly.Grid=function(a,b){this.gridPattern_=a;this.spacing_=b.spacing;this.length_=b.length;this.line2_=(this.line1_=a.firstChild)&&this.line1_.nextSibling;this.snapToGrid_=b.snap};Blockly.Grid.prototype.scale_=1;Blockly.Grid.prototype.dispose=function(){this.gridPattern_=null};Blockly.Grid.prototype.shouldSnap=function(){return this.snapToGrid_};Blockly.Grid.prototype.getSpacing=function(){return this.spacing_};Blockly.Grid.prototype.getPatternId=function(){return this.gridPattern_.id};
 Blockly.Grid.prototype.update=function(a){this.scale_=a;var b=this.spacing_*a||100;this.gridPattern_.setAttribute("width",b);this.gridPattern_.setAttribute("height",b);b=Math.floor(this.spacing_/2)+.5;var c=b-this.length_/2,d=b+this.length_/2;b*=a;c*=a;d*=a;this.setLineAttributes_(this.line1_,a,c,d,b,b);this.setLineAttributes_(this.line2_,a,b,b,c,d)};
 Blockly.Grid.prototype.setLineAttributes_=function(a,b,c,d,e,f){a&&(a.setAttribute("stroke-width",b),a.setAttribute("x1",c),a.setAttribute("y1",e),a.setAttribute("x2",d),a.setAttribute("y2",f))};Blockly.Grid.prototype.moveTo=function(a,b){this.gridPattern_.setAttribute("x",a);this.gridPattern_.setAttribute("y",b);(goog.userAgent.IE||goog.userAgent.EDGE)&&this.update(this.scale_)};
 Blockly.Grid.createDom=function(a,b,c){a=Blockly.utils.createSvgElement("pattern",{id:"blocklyGridPattern"+a,patternUnits:"userSpaceOnUse"},c);0<b.length&&0<b.spacing?(Blockly.utils.createSvgElement("line",{stroke:b.colour},a),1<b.length&&Blockly.utils.createSvgElement("line",{stroke:b.colour},a)):Blockly.utils.createSvgElement("line",{},a);return a};Blockly.Options=function(a){var b=!!a.readOnly;if(b)var c=null,d=!1,e=!1,f=!1,g=!1,h=!1,k=!1;else c=Blockly.Options.parseToolboxTree(a.toolbox),d=!(!c||!c.getElementsByTagName("category").length),e=a.trashcan,void 0===e&&(e=d),f=a.collapse,void 0===f&&(f=d),g=a.comments,void 0===g&&(g=d),h=a.disable,void 0===h&&(h=d),k=a.sounds,void 0===k&&(k=!0);var l=!!a.rtl,n=a.horizontalLayout;void 0===n&&(n=!1);var m=a.toolboxPosition;m="end"===m?!1:!0;m=n?m?Blockly.TOOLBOX_AT_TOP:Blockly.TOOLBOX_AT_BOTTOM:m==
 l?Blockly.TOOLBOX_AT_RIGHT:Blockly.TOOLBOX_AT_LEFT;var p=a.scrollbars;void 0===p&&(p=d);var q=a.css;void 0===q&&(q=!0);var t="https://blockly-demo.appspot.com/static/media/";a.media?t=a.media:a.path&&(t=a.path+"media/");var r=void 0===a.oneBasedIndex?!0:!!a.oneBasedIndex;this.RTL=l;this.oneBasedIndex=r;this.collapse=f;this.comments=g;this.disable=h;this.readOnly=b;this.maxBlocks=a.maxBlocks||Infinity;this.pathToMedia=t;this.hasCategories=d;this.hasScrollbars=p;this.hasTrashcan=e;this.hasSounds=k;
 this.hasCss=q;this.horizontalLayout=n;this.languageTree=c;this.gridOptions=Blockly.Options.parseGridOptions_(a);this.zoomOptions=Blockly.Options.parseZoomOptions_(a);this.toolboxPosition=m};Blockly.Options.prototype.parentWorkspace=null;Blockly.Options.prototype.setMetrics=null;Blockly.Options.prototype.getMetrics=null;
 Blockly.Options.parseZoomOptions_=function(a){a=a.zoom||{};var b={};b.controls=void 0===a.controls?!1:!!a.controls;b.wheel=void 0===a.wheel?!1:!!a.wheel;b.startScale=void 0===a.startScale?1:parseFloat(a.startScale);b.maxScale=void 0===a.maxScale?3:parseFloat(a.maxScale);b.minScale=void 0===a.minScale?.3:parseFloat(a.minScale);b.scaleSpeed=void 0===a.scaleSpeed?1.2:parseFloat(a.scaleSpeed);return b};
-Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=parseFloat(a.spacing)||0;b.colour=a.colour||"#888";b.length=parseFloat(a.length)||1;b.snap=0<b.spacing&&!!a.snap;return b};Blockly.Options.parseToolboxTree=function(a){a?("string"!=typeof a&&("undefined"==typeof XSLTProcessor&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a))):a=null;return a};Blockly.ScrollbarPair=function(a){this.workspace_=a;this.hScroll=new Blockly.Scrollbar(a,!0,!0,"blocklyMainWorkspaceScrollbar");this.vScroll=new Blockly.Scrollbar(a,!1,!0,"blocklyMainWorkspaceScrollbar");this.corner_=Blockly.utils.createSvgElement("rect",{height:Blockly.Scrollbar.scrollbarThickness,width:Blockly.Scrollbar.scrollbarThickness,"class":"blocklyScrollbarBackground"},null);Blockly.utils.insertAfter_(this.corner_,a.getBubbleCanvas())};Blockly.ScrollbarPair.prototype.oldHostMetrics_=null;
-Blockly.ScrollbarPair.prototype.dispose=function(){goog.dom.removeNode(this.corner_);this.oldHostMetrics_=this.workspace_=this.corner_=null;this.hScroll.dispose();this.hScroll=null;this.vScroll.dispose();this.vScroll=null};
+Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=parseFloat(a.spacing)||0;b.colour=a.colour||"#888";b.length=parseFloat(a.length)||1;b.snap=0<b.spacing&&!!a.snap;return b};Blockly.Options.parseToolboxTree=function(a){a?("string"!=typeof a&&("undefined"==typeof XSLTProcessor&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a))):a=null;return a};Blockly.ScrollbarPair=function(a){this.workspace_=a;this.hScroll=new Blockly.Scrollbar(a,!0,!0,"blocklyMainWorkspaceScrollbar");this.vScroll=new Blockly.Scrollbar(a,!1,!0,"blocklyMainWorkspaceScrollbar");this.corner_=Blockly.utils.createSvgElement("rect",{height:Blockly.Scrollbar.scrollbarThickness,width:Blockly.Scrollbar.scrollbarThickness,"class":"blocklyScrollbarBackground"},null);Blockly.utils.insertAfter(this.corner_,a.getBubbleCanvas())};Blockly.ScrollbarPair.prototype.oldHostMetrics_=null;
+Blockly.ScrollbarPair.prototype.dispose=function(){this.corner_.parentNode.removeChild(this.corner_);this.oldHostMetrics_=this.workspace_=this.corner_=null;this.hScroll.dispose();this.hScroll=null;this.vScroll.dispose();this.vScroll=null};
 Blockly.ScrollbarPair.prototype.resize=function(){var a=this.workspace_.getMetrics();if(a){var b=!1,c=!1;this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft?(this.oldHostMetrics_&&this.oldHostMetrics_.contentWidth==a.contentWidth&&this.oldHostMetrics_.viewLeft==a.viewLeft&&this.oldHostMetrics_.contentLeft==a.contentLeft||(b=!0),this.oldHostMetrics_&&
 this.oldHostMetrics_.contentHeight==a.contentHeight&&this.oldHostMetrics_.viewTop==a.viewTop&&this.oldHostMetrics_.contentTop==a.contentTop||(c=!0)):c=b=!0;b&&this.hScroll.resize(a);c&&this.vScroll.resize(a);this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft||this.corner_.setAttribute("x",this.vScroll.position_.x);this.oldHostMetrics_&&this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop||this.corner_.setAttribute("y",
 this.hScroll.position_.y);this.oldHostMetrics_=a}};Blockly.ScrollbarPair.prototype.set=function(a,b){var c={};a*=this.hScroll.ratio_;b*=this.vScroll.ratio_;var d=this.vScroll.scrollViewSize_;c.x=this.getRatio_(a,this.hScroll.scrollViewSize_);c.y=this.getRatio_(b,d);this.workspace_.setMetrics(c);this.hScroll.setHandlePosition(a);this.vScroll.setHandlePosition(b)};Blockly.ScrollbarPair.prototype.getRatio_=function(a,b){a/=b;return isNaN(a)?0:a};
@@ -1184,15 +1134,16 @@ Blockly.Scrollbar=function(a,b,c,d){this.workspace_=a;this.pair_=c||!1;this.hori
 a),this.svgHandle_.setAttribute("width",a-5),this.svgHandle_.setAttribute("x",2.5),this.lengthAttribute_="height",this.positionAttribute_="y");this.onMouseDownBarWrapper_=Blockly.bindEventWithChecks_(this.svgBackground_,"mousedown",this,this.onMouseDownBar_);this.onMouseDownHandleWrapper_=Blockly.bindEventWithChecks_(this.svgHandle_,"mousedown",this,this.onMouseDownHandle_)};Blockly.Scrollbar.prototype.origin_=new goog.math.Coordinate(0,0);Blockly.Scrollbar.prototype.startDragMouse_=0;
 Blockly.Scrollbar.prototype.scrollViewSize_=0;Blockly.Scrollbar.prototype.handleLength_=0;Blockly.Scrollbar.prototype.handlePosition_=0;Blockly.Scrollbar.prototype.isVisible_=!0;Blockly.Scrollbar.prototype.containerVisible_=!0;Blockly.Scrollbar.scrollbarThickness=15;goog.events.BrowserFeature.TOUCH_ENABLED&&(Blockly.Scrollbar.scrollbarThickness=25);
 Blockly.Scrollbar.metricsAreEquivalent_=function(a,b){return a&&b&&a.viewWidth==b.viewWidth&&a.viewHeight==b.viewHeight&&a.viewLeft==b.viewLeft&&a.viewTop==b.viewTop&&a.absoluteTop==b.absoluteTop&&a.absoluteLeft==b.absoluteLeft&&a.contentWidth==b.contentWidth&&a.contentHeight==b.contentHeight&&a.contentLeft==b.contentLeft&&a.contentTop==b.contentTop?!0:!1};
-Blockly.Scrollbar.prototype.dispose=function(){this.cleanUp_();Blockly.unbindEvent_(this.onMouseDownBarWrapper_);this.onMouseDownBarWrapper_=null;Blockly.unbindEvent_(this.onMouseDownHandleWrapper_);this.onMouseDownHandleWrapper_=null;goog.dom.removeNode(this.outerSvg_);this.workspace_=this.svgHandle_=this.svgBackground_=this.svgGroup_=this.outerSvg_=null};Blockly.Scrollbar.prototype.setHandleLength_=function(a){this.handleLength_=a;this.svgHandle_.setAttribute(this.lengthAttribute_,this.handleLength_)};
-Blockly.Scrollbar.prototype.setHandlePosition=function(a){this.handlePosition_=a;this.svgHandle_.setAttribute(this.positionAttribute_,this.handlePosition_)};Blockly.Scrollbar.prototype.setScrollViewSize_=function(a){this.scrollViewSize_=a;this.outerSvg_.setAttribute(this.lengthAttribute_,this.scrollViewSize_);this.svgBackground_.setAttribute(this.lengthAttribute_,this.scrollViewSize_)};Blockly.ScrollbarPair.prototype.setContainerVisible=function(a){this.hScroll.setContainerVisible(a);this.vScroll.setContainerVisible(a)};
+Blockly.Scrollbar.prototype.dispose=function(){this.cleanUp_();Blockly.unbindEvent_(this.onMouseDownBarWrapper_);this.onMouseDownBarWrapper_=null;Blockly.unbindEvent_(this.onMouseDownHandleWrapper_);this.onMouseDownHandleWrapper_=null;this.outerSvg_.parentNode.removeChild(this.outerSvg_);this.workspace_=this.svgHandle_=this.svgBackground_=this.svgGroup_=this.outerSvg_=null};
+Blockly.Scrollbar.prototype.setHandleLength_=function(a){this.handleLength_=a;this.svgHandle_.setAttribute(this.lengthAttribute_,this.handleLength_)};Blockly.Scrollbar.prototype.setHandlePosition=function(a){this.handlePosition_=a;this.svgHandle_.setAttribute(this.positionAttribute_,this.handlePosition_)};
+Blockly.Scrollbar.prototype.setScrollViewSize_=function(a){this.scrollViewSize_=a;this.outerSvg_.setAttribute(this.lengthAttribute_,this.scrollViewSize_);this.svgBackground_.setAttribute(this.lengthAttribute_,this.scrollViewSize_)};Blockly.ScrollbarPair.prototype.setContainerVisible=function(a){this.hScroll.setContainerVisible(a);this.vScroll.setContainerVisible(a)};
 Blockly.Scrollbar.prototype.setPosition_=function(a,b){this.position_.x=a;this.position_.y=b;Blockly.utils.setCssTransform(this.outerSvg_,"translate("+(this.position_.x+this.origin_.x)+"px,"+(this.position_.y+this.origin_.y)+"px)")};Blockly.Scrollbar.prototype.resize=function(a){if(!a&&(a=this.workspace_.getMetrics(),!a))return;Blockly.Scrollbar.metricsAreEquivalent_(a,this.oldHostMetrics_)||(this.oldHostMetrics_=a,this.horizontal_?this.resizeHorizontal_(a):this.resizeVertical_(a),this.onScroll_())};
 Blockly.Scrollbar.prototype.resizeHorizontal_=function(a){this.resizeViewHorizontal(a)};Blockly.Scrollbar.prototype.resizeViewHorizontal=function(a){var b=a.viewWidth-1;this.pair_&&(b-=Blockly.Scrollbar.scrollbarThickness);this.setScrollViewSize_(Math.max(0,b));b=a.absoluteLeft+.5;this.pair_&&this.workspace_.RTL&&(b+=Blockly.Scrollbar.scrollbarThickness);this.setPosition_(b,a.absoluteTop+a.viewHeight-Blockly.Scrollbar.scrollbarThickness-.5);this.resizeContentHorizontal(a)};
 Blockly.Scrollbar.prototype.resizeContentHorizontal=function(a){this.pair_||this.setVisible(this.scrollViewSize_<a.contentWidth);this.ratio_=this.scrollViewSize_/a.contentWidth;if(-Infinity==this.ratio_||Infinity==this.ratio_||isNaN(this.ratio_))this.ratio_=0;this.setHandleLength_(Math.max(0,a.viewWidth*this.ratio_));this.setHandlePosition(this.constrainHandle_((a.viewLeft-a.contentLeft)*this.ratio_))};Blockly.Scrollbar.prototype.resizeVertical_=function(a){this.resizeViewVertical(a)};
 Blockly.Scrollbar.prototype.resizeViewVertical=function(a){var b=a.viewHeight-1;this.pair_&&(b-=Blockly.Scrollbar.scrollbarThickness);this.setScrollViewSize_(Math.max(0,b));b=a.absoluteLeft+.5;this.workspace_.RTL||(b+=a.viewWidth-Blockly.Scrollbar.scrollbarThickness-1);this.setPosition_(b,a.absoluteTop+.5);this.resizeContentVertical(a)};
 Blockly.Scrollbar.prototype.resizeContentVertical=function(a){this.pair_||this.setVisible(this.scrollViewSize_<a.contentHeight);this.ratio_=this.scrollViewSize_/a.contentHeight;if(-Infinity==this.ratio_||Infinity==this.ratio_||isNaN(this.ratio_))this.ratio_=0;this.setHandleLength_(Math.max(0,a.viewHeight*this.ratio_));this.setHandlePosition(this.constrainHandle_((a.viewTop-a.contentTop)*this.ratio_))};
 Blockly.Scrollbar.prototype.createDom_=function(a){var b="blocklyScrollbar"+(this.horizontal_?"Horizontal":"Vertical");a&&(b+=" "+a);this.outerSvg_=Blockly.utils.createSvgElement("svg",{"class":b},null);this.svgGroup_=Blockly.utils.createSvgElement("g",{},this.outerSvg_);this.svgBackground_=Blockly.utils.createSvgElement("rect",{"class":"blocklyScrollbarBackground"},this.svgGroup_);a=Math.floor((Blockly.Scrollbar.scrollbarThickness-5)/2);this.svgHandle_=Blockly.utils.createSvgElement("rect",{"class":"blocklyScrollbarHandle",
-rx:a,ry:a},this.svgGroup_);Blockly.utils.insertAfter_(this.outerSvg_,this.workspace_.getParentSvg())};Blockly.Scrollbar.prototype.isVisible=function(){return this.isVisible_};Blockly.Scrollbar.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Scrollbar.prototype.setVisible=function(a){var b=a!=this.isVisible();if(this.pair_)throw"Unable to toggle visibility of paired scrollbars.";this.isVisible_=a;b&&this.updateDisplay_()};
+rx:a,ry:a},this.svgGroup_);Blockly.utils.insertAfter(this.outerSvg_,this.workspace_.getParentSvg())};Blockly.Scrollbar.prototype.isVisible=function(){return this.isVisible_};Blockly.Scrollbar.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Scrollbar.prototype.setVisible=function(a){var b=a!=this.isVisible();if(this.pair_)throw Error("Unable to toggle visibility of paired scrollbars.");this.isVisible_=a;b&&this.updateDisplay_()};
 Blockly.Scrollbar.prototype.updateDisplay_=function(){this.containerVisible_&&this.isVisible()?this.outerSvg_.setAttribute("display","block"):this.outerSvg_.setAttribute("display","none")};
 Blockly.Scrollbar.prototype.onMouseDownBar_=function(a){this.workspace_.markFocused();Blockly.Touch.clearTouchIdentifier();this.cleanUp_();if(Blockly.utils.isRightButton(a))a.stopPropagation();else{var b=Blockly.utils.mouseToSvg(a,this.workspace_.getParentSvg(),this.workspace_.getInverseScreenCTM());b=this.horizontal_?b.x:b.y;var c=Blockly.utils.getInjectionDivXY_(this.svgHandle_);c=this.horizontal_?c.x:c.y;var d=this.handlePosition_,e=.95*this.handleLength_;b<=c?d-=e:b>=c+this.handleLength_&&(d+=
 e);this.setHandlePosition(this.constrainHandle_(d));this.onScroll_();a.stopPropagation();a.preventDefault()}};
@@ -1212,14 +1163,15 @@ Blockly.Trashcan.prototype.svgLid_=null;Blockly.Trashcan.prototype.lidTask_=0;Bl
 Blockly.Trashcan.prototype.createDom=function(){this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyTrash"},null);var a=String(Math.random()).substring(2);var b=Blockly.utils.createSvgElement("clipPath",{id:"blocklyTrashBodyClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:this.WIDTH_,height:this.BODY_HEIGHT_,y:this.LID_HEIGHT_},b);Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,x:-this.SPRITE_LEFT_,height:Blockly.SPRITE.height,y:-this.SPRITE_TOP_,
 "clip-path":"url(#blocklyTrashBodyClipPath"+a+")"},this.svgGroup_).setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);b=Blockly.utils.createSvgElement("clipPath",{id:"blocklyTrashLidClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:this.WIDTH_,height:this.LID_HEIGHT_},b);this.svgLid_=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,x:-this.SPRITE_LEFT_,height:Blockly.SPRITE.height,y:-this.SPRITE_TOP_,
 "clip-path":"url(#blocklyTrashLidClipPath"+a+")"},this.svgGroup_);this.svgLid_.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);Blockly.bindEventWithChecks_(this.svgGroup_,"mouseup",this,this.click);this.animateLid_();return this.svgGroup_};Blockly.Trashcan.prototype.init=function(a){this.bottom_=this.MARGIN_BOTTOM_+a;this.setOpen_(!1);return this.bottom_+this.BODY_HEIGHT_+this.LID_HEIGHT_};
-Blockly.Trashcan.prototype.dispose=function(){this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.workspace_=this.svgLid_=null;clearTimeout(this.lidTask_)};
+Blockly.Trashcan.prototype.dispose=function(){this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.workspace_=this.svgLid_=null;clearTimeout(this.lidTask_)};
 Blockly.Trashcan.prototype.position=function(){var a=this.workspace_.getMetrics();a&&(this.workspace_.RTL?(this.left_=this.MARGIN_SIDE_+Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(this.left_+=a.flyoutWidth,this.workspace_.toolbox_&&(this.left_+=a.absoluteLeft))):(this.left_=a.viewWidth+a.absoluteLeft-this.WIDTH_-this.MARGIN_SIDE_-Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT&&(this.left_-=a.flyoutWidth)),this.top_=a.viewHeight+
 a.absoluteTop-(this.BODY_HEIGHT_+this.LID_HEIGHT_)-this.bottom_,a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM&&(this.top_-=a.flyoutHeight),this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))};
 Blockly.Trashcan.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect();return new goog.math.Rect(a.left+this.SPRITE_LEFT_-this.MARGIN_HOTSPOT_,a.top+this.SPRITE_TOP_-this.MARGIN_HOTSPOT_,this.WIDTH_+2*this.MARGIN_HOTSPOT_,this.LID_HEIGHT_+this.BODY_HEIGHT_+2*this.MARGIN_HOTSPOT_)};Blockly.Trashcan.prototype.setOpen_=function(a){this.isOpen!=a&&(clearTimeout(this.lidTask_),this.isOpen=a,this.animateLid_())};
-Blockly.Trashcan.prototype.animateLid_=function(){this.lidOpen_+=this.isOpen?.2:-.2;this.lidOpen_=goog.math.clamp(this.lidOpen_,0,1);var a=45*this.lidOpen_;this.svgLid_.setAttribute("transform","rotate("+(this.workspace_.RTL?-a:a)+","+(this.workspace_.RTL?4:this.WIDTH_-4)+","+(this.LID_HEIGHT_-2)+")");a=goog.math.lerp(.4,.8,this.lidOpen_);this.svgGroup_.style.opacity=a;0<this.lidOpen_&&1>this.lidOpen_&&(this.lidTask_=setTimeout(this.animateLid_.bind(this),20))};Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};
-Blockly.Trashcan.prototype.click=function(){var a=this.workspace_.startScrollX-this.workspace_.scrollX,b=this.workspace_.startScrollY-this.workspace_.scrollY;Math.sqrt(a*a+b*b)>Blockly.DRAG_RADIUS||console.log("TODO: Inspect trash.")};Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){return goog.string.caseInsensitiveCompare(a.name,b.name)};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks();a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e];f.getId()&&(a[f.getId()]=f)}}b=[];for(var g in a)b.push(a[g]);return b};Blockly.Variables.allUsedVariables=function(){console.warn("Deprecated call to Blockly.Variables.allUsedVariables. Use Blockly.Variables.allUsedVarModels instead.\nIf this is a major issue please file a bug on GitHub.")};
-Blockly.Variables.allDeveloperVariables=function(a){var b=a.getAllBlocks();a={};for(var c=0;c<b.length;c++){var d=b[c];if(d.getDeveloperVars){d=d.getDeveloperVars();for(var e=0;e<d.length;e++)a[d[e]]=d[e]}}b=[];for(var f in a)b.push(a[f]);return b};
-Blockly.Variables.flyoutCategory=function(a){var b=[],c=goog.dom.createDom("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
+Blockly.Trashcan.prototype.animateLid_=function(){this.lidOpen_+=this.isOpen?.2:-.2;this.lidOpen_=Math.min(Math.max(this.lidOpen_,0),1);var a=45*this.lidOpen_;this.svgLid_.setAttribute("transform","rotate("+(this.workspace_.RTL?-a:a)+","+(this.workspace_.RTL?4:this.WIDTH_-4)+","+(this.LID_HEIGHT_-2)+")");this.svgGroup_.style.opacity=.4+.4*this.lidOpen_;0<this.lidOpen_&&1>this.lidOpen_&&(this.lidTask_=setTimeout(this.animateLid_.bind(this),20))};Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};
+Blockly.Trashcan.prototype.click=function(){var a=this.workspace_.startScrollX-this.workspace_.scrollX,b=this.workspace_.startScrollY-this.workspace_.scrollY;Math.sqrt(a*a+b*b)>Blockly.DRAG_RADIUS||console.log("TODO: Inspect trash.")};Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){a=a.name.toLowerCase();b=b.name.toLowerCase();return a<b?-1:a==b?0:1};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks();a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e];f.getId()&&(a[f.getId()]=f)}}b=[];for(var g in a)b.push(a[g]);return b};Blockly.Variables.allUsedVariables=function(){console.warn("Deprecated call to Blockly.Variables.allUsedVariables. Use Blockly.Variables.allUsedVarModels instead.\nIf this is a major issue please file a bug on GitHub.")};
+Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_={};
+Blockly.Variables.allDeveloperVariables=function(a){var b=a.getAllBlocks();a={};for(var c=0;c<b.length;c++){var d=b[c],e=d.getDeveloperVariables;!e&&d.getDeveloperVars&&(e=d.getDeveloperVars,Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]||(console.warn("Function getDeveloperVars() deprecated. Use getDeveloperVariables() (block type '"+d.type+"')"),Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]=!0));if(e)for(d=e(),e=0;e<d.length;e++)a[d[e]]=d[e]}b=[];for(var f in a)b.push(a[f]);
+return b};Blockly.Variables.flyoutCategory=function(a){var b=[],c=goog.dom.createDom("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
 Blockly.Variables.flyoutCategoryBlocks=function(a){a=a.getVariablesOfType("");a.sort(Blockly.VariableModel.compareByName);var b=[];if(0<a.length){var c=a[0];if(Blockly.Blocks.variables_set){var d=Blockly.Blocks.math_change?8:24;d='<xml><block type="variables_set" gap="'+d+'">'+Blockly.Variables.generateVariableFieldXmlString(c)+"</block></xml>";d=Blockly.Xml.textToDom(d).firstChild;b.push(d)}Blockly.Blocks.math_change&&(d=Blockly.Blocks.variables_get?20:8,d='<xml><block type="math_change" gap="'+
 d+'">'+Blockly.Variables.generateVariableFieldXmlString(c)+'<value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block></xml>',d=Blockly.Xml.textToDom(d).firstChild,b.push(d));for(c=0;d=a[c];c++)Blockly.Blocks.variables_get&&(d='<xml><block type="variables_get" gap="8">'+Blockly.Variables.generateVariableFieldXmlString(d)+"</block></xml>",d=Blockly.Xml.textToDom(d).firstChild,b.push(d))}return b};
 Blockly.Variables.generateUniqueName=function(a){a=a.getAllVariables();var b="";if(a.length)for(var c=1,d=0,e="ijkmnopqrstuvwxyzabcdefgh".charAt(d);!b;){for(var f=!1,g=0;g<a.length;g++)if(a[g].name.toLowerCase()==e){f=!0;break}f?(d++,25==d&&(d=0,c++),e="ijkmnopqrstuvwxyzabcdefgh".charAt(d),1<c&&(e+=c)):b=e}else b="i";return b};
@@ -1257,37 +1209,37 @@ Blockly.WorkspaceCommentSvg.prototype.disposeInternal_=function(){this.svgHandle
 Blockly.WorkspaceCommentSvg.prototype.blurFocus=function(){var a=this;this.focused_=!1;setTimeout(function(){a.textarea_.blur();a.removeFocus();Blockly.utils.removeClass(a.svgRectTarget_,"blocklyCommentTargetFocused");Blockly.utils.removeClass(a.svgHandleTarget_,"blocklyCommentHandleTargetFocused")},0)};Blockly.WorkspaceDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.dragGroup_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.container_=null;
 Blockly.WorkspaceDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.createSvgElement("svg",{xmlns:Blockly.SVG_NS,"xmlns:html":Blockly.HTML_NS,"xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklyWsDragSurface blocklyOverflowVisible"},null),this.container_.appendChild(this.SVG_))};
 Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){a=a.toFixed(0);b=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.setCssTransform(this.SVG_,"translate3d("+a+"px, "+b+"px, 0px)")};Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation=function(){return Blockly.utils.getRelativeXY(this.SVG_)};
-Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw"Couldn't clear and hide the drag surface: missing new surface.";var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.hasClass(c,"blocklyBubbleCanvas")))throw"Couldn't clear and hide the drag surface.  A node was missing.";null!=this.previousSibling_?Blockly.utils.insertAfter_(b,this.previousSibling_):a.insertBefore(b,a.firstChild);Blockly.utils.insertAfter_(c,
-b);this.SVG_.style.display="none";goog.asserts.assert(0==this.SVG_.childNodes.length,"Drag surface was not cleared.");Blockly.utils.setCssTransform(this.SVG_,"");this.previousSibling_=null};
-Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){goog.asserts.assert(0==this.SVG_.childNodes.length,"Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a,b){var c=goog.dom.createDom("xml");c.appendChild(Blockly.Xml.variablesToDom(Blockly.Variables.allUsedVarModels(a)));for(var d=a.getTopComments(!0),e=0,f;f=d[e];e++)c.appendChild(f.toXmlWithXY(b));a=a.getTopBlocks(!0);for(e=0;d=a[e];e++)c.appendChild(Blockly.Xml.blockToDomWithXY(d,b));return c};
+Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.insertAfter(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
+Blockly.utils.insertAfter(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.setCssTransform(this.SVG_,"");this.previousSibling_=null};
+Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){if(this.SVG_.childNodes.length)throw Error("Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a,b){var c=goog.dom.createDom("xml"),d=Blockly.Xml.variablesToDom(Blockly.Variables.allUsedVarModels(a));d.hasChildNodes()&&c.appendChild(d);var e=a.getTopComments(!0);d=0;for(var f;f=e[d];d++)c.appendChild(f.toXmlWithXY(b));a=a.getTopBlocks(!0);for(d=0;e=a[d];d++)c.appendChild(Blockly.Xml.blockToDomWithXY(e,b));return c};
 Blockly.Xml.variablesToDom=function(a){for(var b=goog.dom.createDom("variables"),c=0,d;d=a[c];c++){var e=goog.dom.createDom("variable",null,d.name);e.setAttribute("type",d.type);e.setAttribute("id",d.getId());b.appendChild(e)}return b};Blockly.Xml.blockToDomWithXY=function(a,b){var c;a.workspace.RTL&&(c=a.workspace.getWidth());b=Blockly.Xml.blockToDom(a,b);var d=a.getRelativeToSurfaceXY();b.setAttribute("x",Math.round(a.workspace.RTL?c-d.x:d.x));b.setAttribute("y",Math.round(d.y));return b};
 Blockly.Xml.fieldToDomVariable_=function(a){null==a.getValue()&&(a.initModel(),a.getValue());var b=a.getVariable();if(!b)throw Error("Tried to serialize a variable field with no variable.");var c=goog.dom.createDom("field",null,b.name);c.setAttribute("name",a.name);c.setAttribute("id",b.getId());c.setAttribute("variabletype",b.type);return c};
 Blockly.Xml.fieldToDom_=function(a){if(a.name&&a.EDITABLE){if(a.referencesVariables())return Blockly.Xml.fieldToDomVariable_(a);var b=goog.dom.createDom("field",null,a.getValue());b.setAttribute("name",a.name);return b}return null};Blockly.Xml.allFieldsToDom_=function(a,b){for(var c=0,d;d=a.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)(f=Blockly.Xml.fieldToDom_(f))&&b.appendChild(f)};
 Blockly.Xml.blockToDom=function(a,b){var c=goog.dom.createDom(a.isShadow()?"shadow":"block");c.setAttribute("type",a.type);b||c.setAttribute("id",a.id);if(a.mutationToDom){var d=a.mutationToDom();d&&(d.hasChildNodes()||d.hasAttributes())&&c.appendChild(d)}Blockly.Xml.allFieldsToDom_(a,c);if(d=a.getCommentText()){d=goog.dom.createDom("comment",null,d);if("object"==typeof a.comment){d.setAttribute("pinned",a.comment.isVisible());var e=a.comment.getBubbleSize();d.setAttribute("h",e.height);d.setAttribute("w",
 e.width)}c.appendChild(d)}a.data&&(d=goog.dom.createDom("data",null,a.data),c.appendChild(d));e=0;for(var f;f=a.inputList[e];e++){var g,h=!0;if(f.type!=Blockly.DUMMY_INPUT){var k=f.connection.targetBlock();f.type==Blockly.INPUT_VALUE?g=goog.dom.createDom("value"):f.type==Blockly.NEXT_STATEMENT&&(g=goog.dom.createDom("statement"));d=f.connection.getShadowDom();!d||k&&k.isShadow()||g.appendChild(Blockly.Xml.cloneShadow_(d));k&&(g.appendChild(Blockly.Xml.blockToDom(k,b)),h=!1);g.setAttribute("name",
 f.name);h||c.appendChild(g)}}a.inputsInlineDefault!=a.inputsInline&&c.setAttribute("inline",a.inputsInline);a.isCollapsed()&&c.setAttribute("collapsed",!0);a.disabled&&c.setAttribute("disabled",!0);a.isDeletable()||a.isShadow()||c.setAttribute("deletable",!1);a.isMovable()||a.isShadow()||c.setAttribute("movable",!1);a.isEditable()||c.setAttribute("editable",!1);if(e=a.getNextBlock())g=goog.dom.createDom("next",null,Blockly.Xml.blockToDom(e,b)),c.appendChild(g);d=a.nextConnection&&a.nextConnection.getShadowDom();
-!d||e&&e.isShadow()||g.appendChild(Blockly.Xml.cloneShadow_(d));return c};Blockly.Xml.cloneShadow_=function(a){for(var b=a=a.cloneNode(!0),c;b;)if(b.firstChild)b=b.firstChild;else{for(;b&&!b.nextSibling;)c=b,b=b.parentNode,3==c.nodeType&&""==c.data.trim()&&b.firstChild!=c&&goog.dom.removeNode(c);b&&(c=b,b=b.nextSibling,3==c.nodeType&&""==c.data.trim()&&goog.dom.removeNode(c))}return a};Blockly.Xml.domToText=function(a){return(new XMLSerializer).serializeToString(a)};
+!d||e&&e.isShadow()||g.appendChild(Blockly.Xml.cloneShadow_(d));return c};Blockly.Xml.cloneShadow_=function(a){for(var b=a=a.cloneNode(!0),c;b;)if(b.firstChild)b=b.firstChild;else{for(;b&&!b.nextSibling;)c=b,b=b.parentNode,3==c.nodeType&&""==c.data.trim()&&b.firstChild!=c&&c.parentNode.removeChild(c);b&&(c=b,b=b.nextSibling,3==c.nodeType&&""==c.data.trim()&&c.parentNode.removeChild(c))}return a};Blockly.Xml.domToText=function(a){return(new XMLSerializer).serializeToString(a)};
 Blockly.Xml.domToPrettyText=function(a){a=Blockly.Xml.domToText(a).split("<");for(var b="",c=1;c<a.length;c++){var d=a[c];"/"==d[0]&&(b=b.substring(2));a[c]=b+"<"+d;"/"!=d[0]&&"/>"!=d.slice(-2)&&(b+="  ")}a=a.join("\n");a=a.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g,"$1</$2>");return a.replace(/^\n/,"")};Blockly.Xml.textToDomDocument_=function(a){return(new DOMParser).parseFromString(a,"text/xml")};
-Blockly.Xml.textToDom=function(a){a=Blockly.Xml.textToDomDocument_(a);if(!a||!a.documentElement||"xml"!=a.documentElement.nodeName.toLowerCase())throw Error("Blockly.Xml.textToDom expected an <xml> document.");return a.documentElement};Blockly.Xml.clearWorkspaceAndLoadFromXml=function(a,b){b.setResizesEnabled(!1);b.clear();a=Blockly.Xml.domToWorkspace(a,b);b.setResizesEnabled(!0);return a};
+Blockly.Xml.textToDom=function(a){a=Blockly.Xml.textToDomDocument_(a);if(!a||!a.documentElement||"xml"!=a.documentElement.nodeName.toLowerCase())throw TypeError("Blockly.Xml.textToDom expected an <xml> document.");return a.documentElement};Blockly.Xml.clearWorkspaceAndLoadFromXml=function(a,b){b.setResizesEnabled(!1);b.clear();a=Blockly.Xml.domToWorkspace(a,b);b.setResizesEnabled(!0);return a};
 Blockly.Xml.domToWorkspace=function(a,b){if(a instanceof Blockly.Workspace){var c=a;a=b;b=c;console.warn("Deprecated call to Blockly.Xml.domToWorkspace, swap the arguments.")}var d;b.RTL&&(d=b.getWidth());c=[];Blockly.Field.startCache();var e=a.childNodes.length,f=Blockly.Events.getGroup();f||Blockly.Events.setGroup(!0);b.setResizesEnabled&&b.setResizesEnabled(!1);var g=!0;try{for(var h=0;h<e;h++){var k=a.childNodes[h],l=k.nodeName.toLowerCase();if("block"==l||"shadow"==l&&!Blockly.Events.recordUndo){var n=
-Blockly.Xml.domToBlock(k,b);c.push(n.id);var m=k.hasAttribute("x")?parseInt(k.getAttribute("x"),10):10,p=k.hasAttribute("y")?parseInt(k.getAttribute("y"),10):10;isNaN(m)||isNaN(p)||n.moveBy(b.RTL?d-m:m,p);g=!1}else{if("shadow"==l)throw Error("Shadow block cannot be a top-level block.");if("comment"==l)b.rendered?Blockly.WorkspaceCommentSvg.fromXml(k,b,d):Blockly.WorkspaceComment.fromXml(k,b);else if("variables"==l){if(g)Blockly.Xml.domToVariables(k,b);else throw Error("'variables' tag must exist once before block and shadow tag elements in the workspace XML, but it was found in another location.");
+Blockly.Xml.domToBlock(k,b);c.push(n.id);var m=k.hasAttribute("x")?parseInt(k.getAttribute("x"),10):10,p=k.hasAttribute("y")?parseInt(k.getAttribute("y"),10):10;isNaN(m)||isNaN(p)||n.moveBy(b.RTL?d-m:m,p);g=!1}else{if("shadow"==l)throw TypeError("Shadow block cannot be a top-level block.");if("comment"==l)b.rendered?Blockly.WorkspaceCommentSvg.fromXml(k,b,d):Blockly.WorkspaceComment.fromXml(k,b);else if("variables"==l){if(g)Blockly.Xml.domToVariables(k,b);else throw Error("'variables' tag must exist once before block and shadow tag elements in the workspace XML, but it was found in another location.");
 g=!1}}}}finally{f||Blockly.Events.setGroup(!1),Blockly.Field.stopCache()}b.setResizesEnabled&&b.setResizesEnabled(!0);return c};
 Blockly.Xml.appendDomToWorkspace=function(a,b){if(b.hasOwnProperty("scale")){var c=Blockly.BlockSvg.TAB_WIDTH;try{Blockly.BlockSvg.TAB_WIDTH=0;var d=b.getBlocksBoundingBox()}finally{Blockly.BlockSvg.TAB_WIDTH=c}}a=Blockly.Xml.domToWorkspace(a,b);if(d&&d.height){c=d.y+d.height;var e=d.x;var f=Infinity,g=Infinity;for(d=0;d<a.length;d++){var h=b.getBlockById(a[d]).getRelativeToSurfaceXY();h.y<g&&(g=h.y);h.x<f&&(f=h.x)}c=c-g+Blockly.BlockSvg.SEP_SPACE_Y;e-=f;var k;b.RTL&&(k=b.getWidth());for(d=0;d<a.length;d++)b.getBlockById(a[d]).moveBy(b.RTL?
 k-e:e,c)}return a};
 Blockly.Xml.domToBlock=function(a,b){if(a instanceof Blockly.Workspace){var c=a;a=b;b=c;console.warn("Deprecated call to Blockly.Xml.domToBlock, swap the arguments.")}Blockly.Events.disable();c=b.getAllVariables();try{var d=Blockly.Xml.domToBlockHeadless_(a,b),e=d.getDescendants(!1);if(b.rendered){d.setConnectionsHidden(!0);for(var f=e.length-1;0<=f;f--)e[f].initSvg();for(f=e.length-1;0<=f;f--)e[f].render(!1);setTimeout(function(){d.workspace&&d.setConnectionsHidden(!1)},1);d.updateDisabled();b.resizeContents()}else for(f=
 e.length-1;0<=f;f--)e[f].initModel()}finally{Blockly.Events.enable()}if(Blockly.Events.isEnabled()){a=Blockly.Variables.getAddedVariables(b,c);for(f=0;f<a.length;f++)Blockly.Events.fire(new Blockly.Events.VarCreate(a[f]));Blockly.Events.fire(new Blockly.Events.BlockCreate(d))}return d};
 Blockly.Xml.domToVariables=function(a,b){for(var c=0,d;d=a.children[c];c++){var e=d.getAttribute("type"),f=d.getAttribute("id");d=d.textContent;if(null==e)throw Error("Variable with id, "+f+" is without a type");b.createVariable(d,e,f)}};
-Blockly.Xml.domToBlockHeadless_=function(a,b){var c=null,d=a.getAttribute("type");if(!d)throw Error("Block type unspecified: "+a.outerHTML);var e=a.getAttribute("id");c=b.newBlock(d,e);var f=null;e=0;for(var g;g=a.childNodes[e];e++)if(3!=g.nodeType){for(var h=f=null,k=0,l;l=g.childNodes[k];k++)1==l.nodeType&&("block"==l.nodeName.toLowerCase()?f=l:"shadow"==l.nodeName.toLowerCase()&&(h=l));!f&&h&&(f=h);k=g.getAttribute("name");switch(g.nodeName.toLowerCase()){case "mutation":c.domToMutation&&(c.domToMutation(g),
+Blockly.Xml.domToBlockHeadless_=function(a,b){var c=null,d=a.getAttribute("type");if(!d)throw TypeError("Block type unspecified: "+a.outerHTML);var e=a.getAttribute("id");c=b.newBlock(d,e);var f=null;e=0;for(var g;g=a.childNodes[e];e++)if(3!=g.nodeType){for(var h=f=null,k=0,l;l=g.childNodes[k];k++)1==l.nodeType&&("block"==l.nodeName.toLowerCase()?f=l:"shadow"==l.nodeName.toLowerCase()&&(h=l));!f&&h&&(f=h);k=g.getAttribute("name");switch(g.nodeName.toLowerCase()){case "mutation":c.domToMutation&&(c.domToMutation(g),
 c.initSvg&&c.initSvg());break;case "comment":c.setCommentText(g.textContent);var n=g.getAttribute("pinned");n&&!c.isInFlyout&&setTimeout(function(){c.comment&&c.comment.setVisible&&c.comment.setVisible("true"==n)},1);f=parseInt(g.getAttribute("w"),10);g=parseInt(g.getAttribute("h"),10);!isNaN(f)&&!isNaN(g)&&c.comment&&c.comment.setVisible&&c.comment.setBubbleSize(f,g);break;case "data":c.data=g.textContent;break;case "title":case "field":Blockly.Xml.domToField_(c,k,g);break;case "value":case "statement":g=
-c.getInput(k);if(!g){console.warn("Ignoring non-existent input "+k+" in block "+d);break}h&&g.connection.setShadowDom(h);if(f)if(f=Blockly.Xml.domToBlockHeadless_(f,b),f.outputConnection)g.connection.connect(f.outputConnection);else if(f.previousConnection)g.connection.connect(f.previousConnection);else throw Error("Child block does not have output or previous statement.");break;case "next":h&&c.nextConnection&&c.nextConnection.setShadowDom(h);if(f){if(!c.nextConnection)throw Error("Next statement does not exist.");
-if(c.nextConnection.isConnected())throw Error("Next statement is already connected.");f=Blockly.Xml.domToBlockHeadless_(f,b);if(!f.previousConnection)throw Error("Next block does not have previous statement.");c.nextConnection.connect(f.previousConnection)}break;default:console.warn("Ignoring unknown tag: "+g.nodeName)}}(e=a.getAttribute("inline"))&&c.setInputsInline("true"==e);(e=a.getAttribute("disabled"))&&c.setDisabled("true"==e||"disabled"==e);(e=a.getAttribute("deletable"))&&c.setDeletable("true"==
-e);(e=a.getAttribute("movable"))&&c.setMovable("true"==e);(e=a.getAttribute("editable"))&&c.setEditable("true"==e);(e=a.getAttribute("collapsed"))&&c.setCollapsed("true"==e);if("shadow"==a.nodeName.toLowerCase()){a=c.getChildren(!1);for(e=0;b=a[e];e++)if(b.isShadow())throw Error("Shadow block not allowed non-shadow child.");if(c.getVarModels().length)throw Error("Shadow blocks cannot have variable references.");c.setShadow(!0)}return c};
+c.getInput(k);if(!g){console.warn("Ignoring non-existent input "+k+" in block "+d);break}h&&g.connection.setShadowDom(h);if(f)if(f=Blockly.Xml.domToBlockHeadless_(f,b),f.outputConnection)g.connection.connect(f.outputConnection);else if(f.previousConnection)g.connection.connect(f.previousConnection);else throw TypeError("Child block does not have output or previous statement.");break;case "next":h&&c.nextConnection&&c.nextConnection.setShadowDom(h);if(f){if(!c.nextConnection)throw TypeError("Next statement does not exist.");
+if(c.nextConnection.isConnected())throw TypeError("Next statement is already connected.");f=Blockly.Xml.domToBlockHeadless_(f,b);if(!f.previousConnection)throw TypeError("Next block does not have previous statement.");c.nextConnection.connect(f.previousConnection)}break;default:console.warn("Ignoring unknown tag: "+g.nodeName)}}(e=a.getAttribute("inline"))&&c.setInputsInline("true"==e);(e=a.getAttribute("disabled"))&&c.setDisabled("true"==e||"disabled"==e);(e=a.getAttribute("deletable"))&&c.setDeletable("true"==
+e);(e=a.getAttribute("movable"))&&c.setMovable("true"==e);(e=a.getAttribute("editable"))&&c.setEditable("true"==e);(e=a.getAttribute("collapsed"))&&c.setCollapsed("true"==e);if("shadow"==a.nodeName.toLowerCase()){a=c.getChildren(!1);for(e=0;b=a[e];e++)if(!b.isShadow())throw TypeError("Shadow block not allowed non-shadow child.");if(c.getVarModels().length)throw TypeError("Shadow blocks cannot have variable references.");c.setShadow(!0)}return c};
 Blockly.Xml.domToFieldVariable_=function(a,b,c,d){var e=b.getAttribute("variabletype")||"";"''"==e&&(e="");a=Blockly.Variables.getOrCreateVariablePackage(a,b.id,c,e);if(null!=e&&e!==a.type)throw Error("Serialized variable type with id '"+a.getId()+"' had type "+a.type+", and does not match variable field that references it: "+Blockly.Xml.domToText(b)+".");d.setValue(a.getId())};
 Blockly.Xml.domToField_=function(a,b,c){var d=a.getField(b);d?(a=a.workspace,b=c.textContent,d.referencesVariables()?Blockly.Xml.domToFieldVariable_(a,c,b,d):d.setValue(b)):console.warn("Ignoring non-existent field "+b+" in block "+a.type)};Blockly.Xml.deleteNext=function(a){for(var b=0,c;c=a.childNodes[b];b++)if("next"==c.nodeName.toLowerCase()){a.removeChild(c);break}};goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.Xml||(goog.global.Blockly.Xml={});
 goog.global.Blockly.Xml.domToText=Blockly.Xml.domToText;goog.global.Blockly.Xml.domToWorkspace=Blockly.Xml.domToWorkspace;goog.global.Blockly.Xml.textToDom=Blockly.Xml.textToDom;goog.global.Blockly.Xml.workspaceToDom=Blockly.Xml.workspaceToDom;
 Blockly.ZoomControls=function(a){this.workspace_=a};Blockly.ZoomControls.prototype.WIDTH_=32;Blockly.ZoomControls.prototype.HEIGHT_=110;Blockly.ZoomControls.prototype.MARGIN_BOTTOM_=20;Blockly.ZoomControls.prototype.MARGIN_SIDE_=20;Blockly.ZoomControls.prototype.svgGroup_=null;Blockly.ZoomControls.prototype.left_=0;Blockly.ZoomControls.prototype.top_=0;
 Blockly.ZoomControls.prototype.createDom=function(){this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyZoom"},null);var a=String(Math.random()).substring(2);this.createZoomOutSvg_(a);this.createZoomInSvg_(a);this.createZoomResetSvg_(a);return this.svgGroup_};Blockly.ZoomControls.prototype.init=function(a){this.bottom_=this.MARGIN_BOTTOM_+a;return this.bottom_+this.HEIGHT_};
-Blockly.ZoomControls.prototype.dispose=function(){this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.workspace_=null};
+Blockly.ZoomControls.prototype.dispose=function(){this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.workspace_=null};
 Blockly.ZoomControls.prototype.position=function(){var a=this.workspace_.getMetrics();a&&(this.workspace_.RTL?(this.left_=this.MARGIN_SIDE_+Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(this.left_+=a.flyoutWidth,this.workspace_.toolbox_&&(this.left_+=a.absoluteLeft))):(this.left_=a.viewWidth+a.absoluteLeft-this.WIDTH_-this.MARGIN_SIDE_-Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT&&(this.left_-=a.flyoutWidth)),this.top_=a.viewHeight+
 a.absoluteTop-this.HEIGHT_-this.bottom_,a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM&&(this.top_-=a.flyoutHeight),this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))};
 Blockly.ZoomControls.prototype.createZoomOutSvg_=function(a){var b=this.workspace_,c=Blockly.utils.createSvgElement("clipPath",{id:"blocklyZoomoutClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:32,height:32,y:77},c);a=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-64,y:-15,"clip-path":"url(#blocklyZoomoutClipPath"+a+")"},this.svgGroup_);a.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",b.options.pathToMedia+Blockly.SPRITE.url);
@@ -1295,21 +1247,21 @@ Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.zo
 Blockly.ZoomControls.prototype.createZoomInSvg_=function(a){var b=this.workspace_,c=Blockly.utils.createSvgElement("clipPath",{id:"blocklyZoominClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:32,height:32,y:43},c);a=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-32,y:-49,"clip-path":"url(#blocklyZoominClipPath"+a+")"},this.svgGroup_);a.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",b.options.pathToMedia+Blockly.SPRITE.url);
 Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.zoomCenter(1);Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
 Blockly.ZoomControls.prototype.createZoomResetSvg_=function(a){var b=this.workspace_,c=Blockly.utils.createSvgElement("clipPath",{id:"blocklyZoomresetClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:32,height:32},c);a=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,y:-92,"clip-path":"url(#blocklyZoomresetClipPath"+a+")"},this.svgGroup_);a.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",b.options.pathToMedia+Blockly.SPRITE.url);
-Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.setScale(b.options.zoomOptions.startScale);b.scrollCenter();Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
+Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.setScale(b.options.zoomOptions.startScale);b.beginCanvasTransition();b.scrollCenter();setTimeout(function(){b.endCanvasTransition()},500);Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
 Blockly.WorkspaceSvg=function(a,b,c){Blockly.WorkspaceSvg.superClass_.constructor.call(this,a);this.getMetrics=a.getMetrics||Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;this.setMetrics=a.setMetrics||Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;Blockly.ConnectionDB.init(this);b&&(this.blockDragSurface_=b);c&&(this.workspaceDragSurface_=c);this.useWorkspaceDragSurface_=this.workspaceDragSurface_&&Blockly.utils.is3dSupported();this.highlightedBlocks_=[];this.audioManager_=new Blockly.WorkspaceAudio(a.parentWorkspace);
 this.grid_=this.options.gridPattern?new Blockly.Grid(a.gridPattern,a.gridOptions):null;Blockly.Variables&&Blockly.Variables.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,Blockly.Variables.flyoutCategory);Blockly.VariablesDynamic&&Blockly.VariablesDynamic.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,Blockly.VariablesDynamic.flyoutCategory);Blockly.Procedures&&Blockly.Procedures.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,
-Blockly.Procedures.flyoutCategory)};goog.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isMutator=!1;Blockly.WorkspaceSvg.prototype.resizesEnabled_=!0;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;Blockly.WorkspaceSvg.prototype.startScrollX=0;Blockly.WorkspaceSvg.prototype.startScrollY=0;
-Blockly.WorkspaceSvg.prototype.dragDeltaXY_=null;Blockly.WorkspaceSvg.prototype.scale=1;Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;Blockly.WorkspaceSvg.prototype.currentGesture_=null;Blockly.WorkspaceSvg.prototype.blockDragSurface_=null;Blockly.WorkspaceSvg.prototype.workspaceDragSurface_=null;Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_=!1;Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_=!1;
+Blockly.Procedures.flyoutCategory)};goog.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isVisible_=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isMutator=!1;Blockly.WorkspaceSvg.prototype.resizesEnabled_=!0;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;Blockly.WorkspaceSvg.prototype.startScrollX=0;
+Blockly.WorkspaceSvg.prototype.startScrollY=0;Blockly.WorkspaceSvg.prototype.dragDeltaXY_=null;Blockly.WorkspaceSvg.prototype.scale=1;Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;Blockly.WorkspaceSvg.prototype.currentGesture_=null;Blockly.WorkspaceSvg.prototype.blockDragSurface_=null;Blockly.WorkspaceSvg.prototype.workspaceDragSurface_=null;Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_=!1;Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_=!1;
 Blockly.WorkspaceSvg.prototype.injectionDiv_=null;Blockly.WorkspaceSvg.prototype.lastRecordedPageScroll_=null;Blockly.WorkspaceSvg.prototype.flyoutButtonCallbacks_={};Blockly.WorkspaceSvg.prototype.toolboxCategoryCallbacks_={};Blockly.WorkspaceSvg.prototype.configureContextMenu=null;Blockly.WorkspaceSvg.prototype.targetWorkspace=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTM_=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTMDirty_=!0;
-Blockly.WorkspaceSvg.prototype.getInverseScreenCTM=function(){if(this.inverseScreenCTMDirty_){var a=this.getParentSvg().getScreenCTM();a&&(this.inverseScreenCTM_=a.inverse(),this.inverseScreenCTMDirty_=!1)}return this.inverseScreenCTM_};Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM=function(){this.inverseScreenCTMDirty_=!0};
-Blockly.WorkspaceSvg.prototype.getSvgXY=function(a){var b=0,c=0,d=1;if(goog.dom.contains(this.getCanvas(),a)||goog.dom.contains(this.getBubbleCanvas(),a))d=this.scale;do{var e=Blockly.utils.getRelativeXY(a);if(a==this.getCanvas()||a==this.getBubbleCanvas())d=1;b+=e.x*d;c+=e.y*d;a=a.parentNode}while(a&&a!=this.getParentSvg());return new goog.math.Coordinate(b,c)};Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels=function(){return Blockly.utils.getInjectionDivXY_(this.svgBlockCanvas_)};
+Blockly.WorkspaceSvg.prototype.getInverseScreenCTM=function(){if(this.inverseScreenCTMDirty_){var a=this.getParentSvg().getScreenCTM();a&&(this.inverseScreenCTM_=a.inverse(),this.inverseScreenCTMDirty_=!1)}return this.inverseScreenCTM_};Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM=function(){this.inverseScreenCTMDirty_=!0};Blockly.WorkspaceSvg.prototype.isVisible=function(){return this.isVisible_};
+Blockly.WorkspaceSvg.prototype.getSvgXY=function(a){var b=0,c=0,d=1;if(Blockly.utils.containsNode(this.getCanvas(),a)||Blockly.utils.containsNode(this.getBubbleCanvas(),a))d=this.scale;do{var e=Blockly.utils.getRelativeXY(a);if(a==this.getCanvas()||a==this.getBubbleCanvas())d=1;b+=e.x*d;c+=e.y*d;a=a.parentNode}while(a&&a!=this.getParentSvg());return new goog.math.Coordinate(b,c)};Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels=function(){return Blockly.utils.getInjectionDivXY_(this.svgBlockCanvas_)};
 Blockly.WorkspaceSvg.prototype.getInjectionDiv=function(){if(!this.injectionDiv_)for(var a=this.svgGroup_;a;){if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv ")){this.injectionDiv_=a;break}a=a.parentNode}return this.injectionDiv_};Blockly.WorkspaceSvg.prototype.setResizeHandlerWrapper=function(a){this.resizeHandlerWrapper_=a};
 Blockly.WorkspaceSvg.prototype.createDom=function(a){this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyWorkspace"},null);a&&(this.svgBackground_=Blockly.utils.createSvgElement("rect",{height:"100%",width:"100%","class":a},this.svgGroup_),"blocklyMainBackground"==a&&this.grid_&&(this.svgBackground_.style.fill="url(#"+this.grid_.getPatternId()+")"));this.svgBlockCanvas_=Blockly.utils.createSvgElement("g",{"class":"blocklyBlockCanvas"},this.svgGroup_);this.svgBubbleCanvas_=Blockly.utils.createSvgElement("g",
 {"class":"blocklyBubbleCanvas"},this.svgGroup_);a=Blockly.Scrollbar.scrollbarThickness;this.options.hasTrashcan&&(a=this.addTrashcan_(a));this.options.zoomOptions&&this.options.zoomOptions.controls&&this.addZoomControls_(a);this.isFlyout||(Blockly.bindEventWithChecks_(this.svgGroup_,"mousedown",this,this.onMouseDown_,!1,!0),this.options.zoomOptions&&this.options.zoomOptions.wheel&&Blockly.bindEventWithChecks_(this.svgGroup_,"wheel",this,this.onMouseWheel_));this.options.hasCategories&&(this.toolbox_=
 new Blockly.Toolbox(this));this.grid_&&this.grid_.update(this.scale);this.recordDeleteAreas();return this.svgGroup_};
-Blockly.WorkspaceSvg.prototype.dispose=function(){this.rendered=!1;this.currentGesture_&&this.currentGesture_.cancel();Blockly.WorkspaceSvg.superClass_.dispose.call(this);this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.svgBubbleCanvas_=this.svgBlockCanvas_=null;this.toolbox_&&(this.toolbox_.dispose(),this.toolbox_=null);this.flyout_&&(this.flyout_.dispose(),this.flyout_=null);this.trashcan&&(this.trashcan.dispose(),this.trashcan=null);this.scrollbar&&(this.scrollbar.dispose(),
-this.scrollbar=null);this.zoomControls_&&(this.zoomControls_.dispose(),this.zoomControls_=null);this.audioManager_&&(this.audioManager_.dispose(),this.audioManager_=null);this.grid_&&(this.grid_.dispose(),this.grid_=null);this.toolboxCategoryCallbacks_&&(this.toolboxCategoryCallbacks_=null);this.flyoutButtonCallbacks_&&(this.flyoutButtonCallbacks_=null);this.options.parentWorkspace||goog.dom.removeNode(this.getParentSvg().parentNode);this.resizeHandlerWrapper_&&(Blockly.unbindEvent_(this.resizeHandlerWrapper_),
-this.resizeHandlerWrapper_=null)};Blockly.WorkspaceSvg.prototype.newBlock=function(a,b){return new Blockly.BlockSvg(this,a,b)};Blockly.WorkspaceSvg.prototype.addTrashcan_=function(a){this.trashcan=new Blockly.Trashcan(this);var b=this.trashcan.createDom();this.svgGroup_.insertBefore(b,this.svgBlockCanvas_);return this.trashcan.init(a)};
+Blockly.WorkspaceSvg.prototype.dispose=function(){this.rendered=!1;this.currentGesture_&&this.currentGesture_.cancel();Blockly.WorkspaceSvg.superClass_.dispose.call(this);this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.svgBubbleCanvas_=this.svgBlockCanvas_=null;this.toolbox_&&(this.toolbox_.dispose(),this.toolbox_=null);this.flyout_&&(this.flyout_.dispose(),this.flyout_=null);this.trashcan&&(this.trashcan.dispose(),this.trashcan=null);this.scrollbar&&
+(this.scrollbar.dispose(),this.scrollbar=null);this.zoomControls_&&(this.zoomControls_.dispose(),this.zoomControls_=null);this.audioManager_&&(this.audioManager_.dispose(),this.audioManager_=null);this.grid_&&(this.grid_.dispose(),this.grid_=null);this.toolboxCategoryCallbacks_&&(this.toolboxCategoryCallbacks_=null);this.flyoutButtonCallbacks_&&(this.flyoutButtonCallbacks_=null);if(!this.options.parentWorkspace){var a=this.getParentSvg().parentNode;a&&a.parentNode.removeChild(a)}this.resizeHandlerWrapper_&&
+(Blockly.unbindEvent_(this.resizeHandlerWrapper_),this.resizeHandlerWrapper_=null)};Blockly.WorkspaceSvg.prototype.newBlock=function(a,b){return new Blockly.BlockSvg(this,a,b)};Blockly.WorkspaceSvg.prototype.addTrashcan_=function(a){this.trashcan=new Blockly.Trashcan(this);var b=this.trashcan.createDom();this.svgGroup_.insertBefore(b,this.svgBlockCanvas_);return this.trashcan.init(a)};
 Blockly.WorkspaceSvg.prototype.addZoomControls_=function(a){this.zoomControls_=new Blockly.ZoomControls(this);var b=this.zoomControls_.createDom();this.svgGroup_.appendChild(b);return this.zoomControls_.init(a)};
 Blockly.WorkspaceSvg.prototype.addFlyout_=function(a){var b={disabledPatternId:this.options.disabledPatternId,parentWorkspace:this,RTL:this.RTL,oneBasedIndex:this.options.oneBasedIndex,horizontalLayout:this.horizontalLayout,toolboxPosition:this.options.toolboxPosition};this.flyout_=null;this.flyout_=this.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);this.flyout_.autoClose=!1;return this.flyout_.createDom(a)};
 Blockly.WorkspaceSvg.prototype.getFlyout_=function(){return this.flyout_?this.flyout_:this.toolbox_?this.toolbox_.flyout_:null};Blockly.WorkspaceSvg.prototype.getToolbox=function(){return this.toolbox_};Blockly.WorkspaceSvg.prototype.updateScreenCalculations_=function(){this.updateInverseScreenCTM();this.recordDeleteAreas()};Blockly.WorkspaceSvg.prototype.resizeContents=function(){this.resizesEnabled_&&this.rendered&&(this.scrollbar&&this.scrollbar.resize(),this.updateInverseScreenCTM())};
@@ -1319,8 +1271,8 @@ Blockly.WorkspaceSvg.prototype.translate=function(a,b){if(this.useWorkspaceDragS
 Blockly.WorkspaceSvg.prototype.resetDragSurface=function(){if(this.useWorkspaceDragSurface_){this.isDragSurfaceActive_=!1;var a=this.workspaceDragSurface_.getSurfaceTranslation();this.workspaceDragSurface_.clearAndHide(this.svgGroup_);a="translate("+a.x+","+a.y+") scale("+this.scale+")";this.svgBlockCanvas_.setAttribute("transform",a);this.svgBubbleCanvas_.setAttribute("transform",a)}};
 Blockly.WorkspaceSvg.prototype.setupDragSurface=function(){if(this.useWorkspaceDragSurface_&&!this.isDragSurfaceActive_){this.isDragSurfaceActive_=!0;var a=this.svgBlockCanvas_.previousSibling,b=parseInt(this.getParentSvg().getAttribute("width"),10),c=parseInt(this.getParentSvg().getAttribute("height"),10),d=Blockly.utils.getRelativeXY(this.svgBlockCanvas_);this.workspaceDragSurface_.setContentsAndShow(this.svgBlockCanvas_,this.svgBubbleCanvas_,a,b,c,this.scale);this.workspaceDragSurface_.translateSurface(d.x,
 d.y)}};Blockly.WorkspaceSvg.prototype.getBlockDragSurface=function(){return this.blockDragSurface_};Blockly.WorkspaceSvg.prototype.getWidth=function(){var a=this.getMetrics();return a?a.viewWidth/this.scale:0};
-Blockly.WorkspaceSvg.prototype.setVisible=function(a){this.scrollbar&&this.scrollbar.setContainerVisible(a);this.getFlyout_()&&this.getFlyout_().setContainerVisible(a);this.getParentSvg().style.display=a?"block":"none";this.toolbox_&&(this.toolbox_.HtmlDiv.style.display=a?"block":"none");a?(this.render(),this.toolbox_&&this.toolbox_.position()):Blockly.hideChaff(!0)};Blockly.WorkspaceSvg.prototype.render=function(){for(var a=this.getAllBlocks(),b=a.length-1;0<=b;b--)a[b].render(!1)};
-Blockly.WorkspaceSvg.prototype.traceOn=function(){console.warn("Deprecated call to traceOn, delete this.")};Blockly.WorkspaceSvg.prototype.highlightBlock=function(a,b){if(void 0===b){for(var c=0,d;d=this.highlightedBlocks_[c];c++)d.setHighlighted(!1);this.highlightedBlocks_.length=0}if(d=a?this.getBlockById(a):null)(a=void 0===b||b)?-1==this.highlightedBlocks_.indexOf(d)&&this.highlightedBlocks_.push(d):goog.array.remove(this.highlightedBlocks_,d),d.setHighlighted(a)};
+Blockly.WorkspaceSvg.prototype.setVisible=function(a){this.scrollbar&&this.scrollbar.setContainerVisible(a);this.getFlyout_()&&this.getFlyout_().setContainerVisible(a);this.getParentSvg().style.display=a?"block":"none";this.toolbox_&&(this.toolbox_.HtmlDiv.style.display=a?"block":"none");a?(this.render(),this.toolbox_&&this.toolbox_.position()):Blockly.hideChaff(!0);this.isVisible_=a};Blockly.WorkspaceSvg.prototype.render=function(){for(var a=this.getAllBlocks(),b=a.length-1;0<=b;b--)a[b].render(!1)};
+Blockly.WorkspaceSvg.prototype.traceOn=function(){console.warn("Deprecated call to traceOn, delete this.")};Blockly.WorkspaceSvg.prototype.highlightBlock=function(a,b){if(void 0===b){for(var c=0,d;d=this.highlightedBlocks_[c];c++)d.setHighlighted(!1);this.highlightedBlocks_.length=0}if(d=a?this.getBlockById(a):null)(a=void 0===b||b)?-1==this.highlightedBlocks_.indexOf(d)&&this.highlightedBlocks_.push(d):Blockly.utils.arrayRemove(this.highlightedBlocks_,d),d.setHighlighted(a)};
 Blockly.WorkspaceSvg.prototype.paste=function(a){!this.rendered||a.getElementsByTagName("block").length>=this.remainingCapacity()||(this.currentGesture_&&this.currentGesture_.cancel(),"comment"==a.tagName.toLowerCase()?this.pasteWorkspaceComment_(a):this.pasteBlock_(a))};
 Blockly.WorkspaceSvg.prototype.pasteBlock_=function(a){Blockly.Events.disable();try{var b=Blockly.Xml.domToBlock(a,this),c=parseInt(a.getAttribute("x"),10),d=parseInt(a.getAttribute("y"),10);if(!isNaN(c)&&!isNaN(d)){this.RTL&&(c=-c);do{a=!1;for(var e=this.getAllBlocks(),f=0,g;g=e[f];f++){var h=g.getRelativeToSurfaceXY();if(1>=Math.abs(c-h.x)&&1>=Math.abs(d-h.y)){a=!0;break}}if(!a){var k=b.getConnections_(!1);f=0;for(var l;l=k[f];f++)if(l.closest(Blockly.SNAP_RADIUS,new goog.math.Coordinate(c,d)).connection){a=
 !0;break}}a&&(c=this.RTL?c-Blockly.SNAP_RADIUS:c+Blockly.SNAP_RADIUS,d+=2*Blockly.SNAP_RADIUS)}while(a);b.moveBy(c,d)}}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&!b.isShadow()&&Blockly.Events.fire(new Blockly.Events.BlockCreate(b));b.select()};
@@ -1336,12 +1288,12 @@ Blockly.WorkspaceSvg.prototype.showContextMenu_=function(a){function b(a){if(a.i
 this.undo.bind(this,!1);d.push(h);h={};h.text=Blockly.Msg.REDO;h.enabled=0<this.redoStack_.length;h.callback=this.undo.bind(this,!0);d.push(h);this.scrollbar&&(h={},h.text=Blockly.Msg.CLEAN_UP,h.enabled=1<e.length,h.callback=this.cleanUp.bind(this),d.push(h));if(this.options.collapse){for(var k=h=!1,l=0;l<e.length;l++)for(var n=e[l];n;)n.isCollapsed()?h=!0:k=!0,n=n.getNextBlock();var m=function(a){for(var b=0,c=0;c<e.length;c++)for(var d=e[c];d;)setTimeout(d.setCollapsed.bind(d,a),b),d=d.getNextBlock(),
 b+=10};k={enabled:k};k.text=Blockly.Msg.COLLAPSE_ALL;k.callback=function(){m(!0)};d.push(k);h={enabled:h};h.text=Blockly.Msg.EXPAND_ALL;h.callback=function(){m(!1)};d.push(h)}var p=[];for(l=0;l<e.length;l++)b(e[l]);h={text:1==p.length?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(p.length)),enabled:0<p.length,callback:function(){g.currentGesture_&&g.currentGesture_.cancel();2>p.length?c():Blockly.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1",p.length),function(a){a&&
 c()})}};d.push(h);this.configureContextMenu&&this.configureContextMenu(d);Blockly.ContextMenu.show(a,d,this.RTL)}};
-Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.Options.parseToolboxTree(a)){if(!this.options.languageTree)throw"Existing toolbox is null.  Can't create new toolbox.";if(a.getElementsByTagName("category").length){if(!this.toolbox_)throw"Existing toolbox has no categories.  Can't change mode.";this.options.languageTree=a;this.toolbox_.populate_(a);this.toolbox_.addColour_()}else{if(!this.flyout_)throw"Existing toolbox has categories.  Can't change mode.";this.options.languageTree=
-a;this.flyout_.show(a.childNodes)}}else if(this.options.languageTree)throw"Can't nullify an existing toolbox.";};Blockly.WorkspaceSvg.prototype.markFocused=function(){this.options.parentWorkspace?this.options.parentWorkspace.markFocused():(Blockly.mainWorkspace=this,this.setBrowserFocus())};Blockly.WorkspaceSvg.prototype.setBrowserFocus=function(){document.activeElement&&document.activeElement.blur();try{this.getParentSvg().focus()}catch(a){try{this.getParentSvg().parentNode.setActive()}catch(b){this.getParentSvg().parentNode.focus()}}};
+Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.Options.parseToolboxTree(a)){if(!this.options.languageTree)throw Error("Existing toolbox is null.  Can't create new toolbox.");if(a.getElementsByTagName("category").length){if(!this.toolbox_)throw Error("Existing toolbox has no categories.  Can't change mode.");this.options.languageTree=a;this.toolbox_.populate_(a);this.toolbox_.addColour_()}else{if(!this.flyout_)throw Error("Existing toolbox has categories.  Can't change mode.");
+this.options.languageTree=a;this.flyout_.show(a.childNodes)}}else if(this.options.languageTree)throw Error("Can't nullify an existing toolbox.");};Blockly.WorkspaceSvg.prototype.markFocused=function(){this.options.parentWorkspace?this.options.parentWorkspace.markFocused():(Blockly.mainWorkspace=this,this.setBrowserFocus())};Blockly.WorkspaceSvg.prototype.setBrowserFocus=function(){document.activeElement&&document.activeElement.blur();try{this.getParentSvg().focus()}catch(a){try{this.getParentSvg().parentNode.setActive()}catch(b){this.getParentSvg().parentNode.focus()}}};
 Blockly.WorkspaceSvg.prototype.zoom=function(a,b,c){var d=this.options.zoomOptions.scaleSpeed,e=this.getMetrics(),f=this.getParentSvg().createSVGPoint();f.x=a;f.y=b;f=f.matrixTransform(this.getCanvas().getCTM().inverse());a=f.x;b=f.y;f=this.getCanvas();d=Math.pow(d,c);c=this.scale*d;c>this.options.zoomOptions.maxScale?d=this.options.zoomOptions.maxScale/this.scale:c<this.options.zoomOptions.minScale&&(d=this.options.zoomOptions.minScale/this.scale);this.scale!=c&&(this.scrollbar&&(a=f.getCTM().translate(a*
 (1-d),b*(1-d)).scale(d),this.scrollX=a.e-e.absoluteLeft,this.scrollY=a.f-e.absoluteTop),this.setScale(c))};Blockly.WorkspaceSvg.prototype.zoomCenter=function(a){var b=this.getMetrics();this.zoom(b.viewWidth/2,b.viewHeight/2,a)};
-Blockly.WorkspaceSvg.prototype.zoomToFit=function(){var a=this.getMetrics(),b=this.getBlocksBoundingBox(),c=b.width;b=b.height;if(c){var d=a.viewWidth,e=a.viewHeight;this.flyout_&&(d-=this.flyout_.width_);this.scrollbar||(c+=a.contentLeft,b+=a.contentTop);this.setScale(Math.min(d/c,e/b));this.scrollCenter()}};
-Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.scrollbar){var a=this.getMetrics(),b=(a.contentWidth-a.viewWidth)/2;this.flyout_&&(b-=this.flyout_.width_/2);this.scrollbar.set(b,(a.contentHeight-a.viewHeight)/2)}else console.warn("Tried to scroll a non-scrollable workspace.")};
+Blockly.WorkspaceSvg.prototype.zoomToFit=function(){var a=this.getMetrics(),b=this.getBlocksBoundingBox(),c=b.width;b=b.height;if(c){var d=a.viewWidth,e=a.viewHeight;this.flyout_&&(d-=this.flyout_.width_);this.scrollbar||(c+=a.contentLeft,b+=a.contentTop);this.setScale(Math.min(d/c,e/b));this.scrollCenter()}};Blockly.WorkspaceSvg.prototype.beginCanvasTransition=function(){Blockly.utils.addClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.addClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};
+Blockly.WorkspaceSvg.prototype.endCanvasTransition=function(){Blockly.utils.removeClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.removeClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.scrollbar){var a=this.getMetrics(),b=(a.contentWidth-a.viewWidth)/2;this.flyout_&&(b-=this.flyout_.width_/2);this.scrollbar.set(b,(a.contentHeight-a.viewHeight)/2)}else console.warn("Tried to scroll a non-scrollable workspace.")};
 Blockly.WorkspaceSvg.prototype.centerOnBlock=function(a){if(this.scrollbar){if(a=this.getBlockById(a)){var b=a.getRelativeToSurfaceXY(),c=a.getHeightWidth(),d=this.scale;a=(b.x+(this.RTL?-1:1)*c.width/2)*d;b=(b.y+c.height/2)*d;c=this.getMetrics();a=a-c.contentLeft-c.viewWidth/2;b=b-c.contentTop-c.viewHeight/2;Blockly.hideChaff();this.scrollbar.set(a,b)}}else console.warn("Tried to scroll a non-scrollable workspace.")};
 Blockly.WorkspaceSvg.prototype.setScale=function(a){this.options.zoomOptions.maxScale&&a>this.options.zoomOptions.maxScale?a=this.options.zoomOptions.maxScale:this.options.zoomOptions.minScale&&a<this.options.zoomOptions.minScale&&(a=this.options.zoomOptions.minScale);this.scale=a;this.grid_&&this.grid_.update(this.scale);this.scrollbar?this.scrollbar.resize():this.translate(this.scrollX,this.scrollY);Blockly.hideChaff(!1);this.flyout_&&this.flyout_.reflow()};
 Blockly.WorkspaceSvg.getDimensionsPx_=function(a){var b=0,c=0;a&&(b=a.getWidth(),c=a.getHeight());return{width:b,height:c}};Blockly.WorkspaceSvg.getContentDimensions_=function(a,b){return a.scrollbar?Blockly.WorkspaceSvg.getContentDimensionsBounded_(a,b):Blockly.WorkspaceSvg.getContentDimensionsExact_(a)};
@@ -1349,9 +1301,9 @@ Blockly.WorkspaceSvg.getContentDimensionsExact_=function(a){var b=a.getBlocksBou
 Blockly.WorkspaceSvg.getContentDimensionsBounded_=function(a,b){a=Blockly.WorkspaceSvg.getContentDimensionsExact_(a);var c=b.width;b=b.height;var d=c/2,e=b/2,f=Math.min(a.left-d,a.right-c),g=Math.min(a.top-e,a.bottom-b);return{left:f,top:g,height:Math.max(a.bottom+e,a.top+b)-g,width:Math.max(a.right+d,a.left+c)-f}};
 Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_=function(){var a=Blockly.WorkspaceSvg.getDimensionsPx_(this.toolbox_),b=Blockly.WorkspaceSvg.getDimensionsPx_(this.flyout_),c=Blockly.svgSize(this.getParentSvg());if(this.toolbox_)if(this.toolboxPosition==Blockly.TOOLBOX_AT_TOP||this.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM)c.height-=a.height;else if(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT)c.width-=a.width;var d=Blockly.WorkspaceSvg.getContentDimensions_(this,
 c),e=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(e=a.width);var f=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_TOP&&(f=a.height);return{contentHeight:d.height,contentWidth:d.width,contentTop:d.top,contentLeft:d.left,viewHeight:c.height,viewWidth:c.width,viewTop:-this.scrollY,viewLeft:-this.scrollX,absoluteTop:f,absoluteLeft:e,toolboxWidth:a.width,toolboxHeight:a.height,flyoutWidth:b.width,flyoutHeight:b.height,toolboxPosition:this.toolboxPosition}};
-Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_=function(a){if(!this.scrollbar)throw"Attempt to set top level workspace scroll without scrollbars.";var b=this.getMetrics();goog.isNumber(a.x)&&(this.scrollX=-b.contentWidth*a.x-b.contentLeft);goog.isNumber(a.y)&&(this.scrollY=-b.contentHeight*a.y-b.contentTop);a=this.scrollX+b.absoluteLeft;b=this.scrollY+b.absoluteTop;this.translate(a,b);this.grid_&&this.grid_.moveTo(a,b)};
-Blockly.WorkspaceSvg.prototype.setResizesEnabled=function(a){var b=!this.resizesEnabled_&&a;this.resizesEnabled_=a;b&&this.resizeContents()};Blockly.WorkspaceSvg.prototype.clear=function(){this.setResizesEnabled(!1);Blockly.WorkspaceSvg.superClass_.clear.call(this);this.setResizesEnabled(!0)};Blockly.WorkspaceSvg.prototype.registerButtonCallback=function(a,b){goog.asserts.assert(goog.isFunction(b),"Button callbacks must be functions.");this.flyoutButtonCallbacks_[a]=b};
-Blockly.WorkspaceSvg.prototype.getButtonCallback=function(a){return(a=this.flyoutButtonCallbacks_[a])?a:null};Blockly.WorkspaceSvg.prototype.removeButtonCallback=function(a){this.flyoutButtonCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.registerToolboxCategoryCallback=function(a,b){goog.asserts.assert(goog.isFunction(b),"Toolbox category callbacks must be functions.");this.toolboxCategoryCallbacks_[a]=b};
+Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_=function(a){if(!this.scrollbar)throw Error("Attempt to set top level workspace scroll without scrollbars.");var b=this.getMetrics();"number"==typeof a.x&&(this.scrollX=-b.contentWidth*a.x-b.contentLeft);"number"==typeof a.y&&(this.scrollY=-b.contentHeight*a.y-b.contentTop);a=this.scrollX+b.absoluteLeft;b=this.scrollY+b.absoluteTop;this.translate(a,b);this.grid_&&this.grid_.moveTo(a,b)};
+Blockly.WorkspaceSvg.prototype.setResizesEnabled=function(a){var b=!this.resizesEnabled_&&a;this.resizesEnabled_=a;b&&this.resizeContents()};Blockly.WorkspaceSvg.prototype.clear=function(){this.setResizesEnabled(!1);Blockly.WorkspaceSvg.superClass_.clear.call(this);this.setResizesEnabled(!0)};Blockly.WorkspaceSvg.prototype.registerButtonCallback=function(a,b){if("function"!=typeof b)throw TypeError("Button callbacks must be functions.");this.flyoutButtonCallbacks_[a]=b};
+Blockly.WorkspaceSvg.prototype.getButtonCallback=function(a){return(a=this.flyoutButtonCallbacks_[a])?a:null};Blockly.WorkspaceSvg.prototype.removeButtonCallback=function(a){this.flyoutButtonCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.registerToolboxCategoryCallback=function(a,b){if("function"!=typeof b)throw TypeError("Toolbox category callbacks must be functions.");this.toolboxCategoryCallbacks_[a]=b};
 Blockly.WorkspaceSvg.prototype.getToolboxCategoryCallback=function(a){return(a=this.toolboxCategoryCallbacks_[a])?a:null};Blockly.WorkspaceSvg.prototype.removeToolboxCategoryCallback=function(a){this.toolboxCategoryCallbacks_[a]=null};
 Blockly.WorkspaceSvg.prototype.getGesture=function(a){var b="mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type,c=this.currentGesture_;return c?b&&c.hasStarted()?(console.warn("tried to start the same gesture twice"),c.cancel(),null):c:b?this.currentGesture_=new Blockly.TouchGesture(a,this):null};Blockly.WorkspaceSvg.prototype.clearGesture=function(){this.currentGesture_=null};Blockly.WorkspaceSvg.prototype.cancelCurrentGesture=function(){this.currentGesture_&&this.currentGesture_.cancel()};
 Blockly.WorkspaceSvg.prototype.getAudioManager=function(){return this.audioManager_};Blockly.WorkspaceSvg.prototype.getGrid=function(){return this.grid_};Blockly.WorkspaceSvg.prototype.setVisible=Blockly.WorkspaceSvg.prototype.setVisible;Blockly.Mutator=function(a){Blockly.Mutator.superClass_.constructor.call(this,null);this.quarkNames_=a};goog.inherits(Blockly.Mutator,Blockly.Icon);Blockly.Mutator.prototype.workspaceWidth_=0;Blockly.Mutator.prototype.workspaceHeight_=0;
@@ -1368,10 +1320,10 @@ this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));this.update
 Blockly.Mutator.prototype.workspaceChanged_=function(){if(!this.workspace_.isDragging())for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++){var d=c.getRelativeToSurfaceXY(),e=c.getHeightWidth();20>d.y+e.height&&c.moveBy(0,20-e.height-d.y)}if(this.rootBlock_.workspace==this.workspace_){Blockly.Events.setGroup(!0);c=this.block_;a=(a=c.mutationToDom())&&Blockly.Xml.domToText(a);b=c.rendered;c.rendered=!1;c.compose(this.rootBlock_);c.rendered=b;c.initSvg();b=(b=c.mutationToDom())&&Blockly.Xml.domToText(b);
 if(a!=b){Blockly.Events.fire(new Blockly.Events.BlockChange(c,"mutation",null,a,b));var f=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(f);c.bumpNeighbours_();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)}c.rendered&&c.render();this.workspace_.isDragging()||this.resizeBubble_();Blockly.Events.setGroup(!1)}};Blockly.Mutator.prototype.getFlyoutMetrics_=function(){return{viewHeight:this.workspaceHeight_,viewWidth:this.workspaceWidth_,absoluteTop:0,absoluteLeft:0}};
 Blockly.Mutator.prototype.dispose=function(){this.block_.mutator=null;Blockly.Icon.prototype.dispose.call(this)};Blockly.Mutator.reconnect=function(a,b,c){if(!a||!a.getSourceBlock().workspace)return!1;c=b.getInput(c).connection;var d=a.targetBlock();return d&&d!=b||c.targetConnection==a?!1:(c.isConnected()&&c.disconnect(),c.connect(a),!0)};
-Blockly.Mutator.findParentWs=function(a){var b=null;if(a&&a.options){var c=a.options.parentWorkspace;a.isFlyout?c&&c.options&&(b=c.options.parentWorkspace):c&&(b=c)}return b};goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.Mutator||(goog.global.Blockly.Mutator={});goog.global.Blockly.Mutator.reconnect=Blockly.Mutator.reconnect;Blockly.Extensions={};Blockly.Extensions.ALL_={};Blockly.Extensions.register=function(a,b){if(!goog.isString(a)||goog.string.isEmptyOrWhitespace(a))throw Error('Error: Invalid extension name "'+a+'"');if(Blockly.Extensions.ALL_[a])throw Error('Error: Extension "'+a+'" is already registered.');if(!goog.isFunction(b))throw Error('Error: Extension "'+a+'" must be a function');Blockly.Extensions.ALL_[a]=b};
-Blockly.Extensions.registerMixin=function(a,b){if(!goog.isObject(b))throw Error('Error: Mixin "'+a+'" must be a object');Blockly.Extensions.register(a,function(){this.mixin(b)})};
-Blockly.Extensions.registerMutator=function(a,b,c,d){var e='Error when registering mutator "'+a+'": ';Blockly.Extensions.checkHasFunction_(e,b.domToMutation,"domToMutation");Blockly.Extensions.checkHasFunction_(e,b.mutationToDom,"mutationToDom");var f=Blockly.Extensions.checkMutatorDialog_(b,e);if(c&&!goog.isFunction(c))throw Error('Extension "'+a+'" is not a function');Blockly.Extensions.register(a,function(){f&&this.setMutator(new Blockly.Mutator(d));this.mixin(b);c&&c.apply(this)})};
-Blockly.Extensions.apply=function(a,b,c){var d=Blockly.Extensions.ALL_[a];if(!goog.isFunction(d))throw Error('Error: Extension "'+a+'" not found.');if(c)Blockly.Extensions.checkNoMutatorProperties_(a,b);else var e=Blockly.Extensions.getMutatorProperties_(b);d.apply(b);if(c)Blockly.Extensions.checkBlockHasMutatorProperties_('Error after applying mutator "'+a+'": ',b);else if(!Blockly.Extensions.mutatorPropertiesMatch_(e,b))throw Error('Error when applying extension "'+a+'": mutation properties changed when applying a non-mutator extension.');
+Blockly.Mutator.findParentWs=function(a){var b=null;if(a&&a.options){var c=a.options.parentWorkspace;a.isFlyout?c&&c.options&&(b=c.options.parentWorkspace):c&&(b=c)}return b};goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.Mutator||(goog.global.Blockly.Mutator={});goog.global.Blockly.Mutator.reconnect=Blockly.Mutator.reconnect;Blockly.Extensions={};Blockly.Extensions.ALL_={};Blockly.Extensions.register=function(a,b){if("string"!=typeof a||""==a.trim())throw Error('Error: Invalid extension name "'+a+'"');if(Blockly.Extensions.ALL_[a])throw Error('Error: Extension "'+a+'" is already registered.');if("function"!=typeof b)throw Error('Error: Extension "'+a+'" must be a function');Blockly.Extensions.ALL_[a]=b};
+Blockly.Extensions.registerMixin=function(a,b){if(!b||"object"!=typeof b)throw Error('Error: Mixin "'+a+'" must be a object');Blockly.Extensions.register(a,function(){this.mixin(b)})};
+Blockly.Extensions.registerMutator=function(a,b,c,d){var e='Error when registering mutator "'+a+'": ';Blockly.Extensions.checkHasFunction_(e,b.domToMutation,"domToMutation");Blockly.Extensions.checkHasFunction_(e,b.mutationToDom,"mutationToDom");var f=Blockly.Extensions.checkMutatorDialog_(b,e);if(c&&"function"!=typeof c)throw Error('Extension "'+a+'" is not a function');Blockly.Extensions.register(a,function(){f&&this.setMutator(new Blockly.Mutator(d));this.mixin(b);c&&c.apply(this)})};
+Blockly.Extensions.apply=function(a,b,c){var d=Blockly.Extensions.ALL_[a];if("function"!=typeof d)throw Error('Error: Extension "'+a+'" not found.');if(c)Blockly.Extensions.checkNoMutatorProperties_(a,b);else var e=Blockly.Extensions.getMutatorProperties_(b);d.apply(b);if(c)Blockly.Extensions.checkBlockHasMutatorProperties_('Error after applying mutator "'+a+'": ',b);else if(!Blockly.Extensions.mutatorPropertiesMatch_(e,b))throw Error('Error when applying extension "'+a+'": mutation properties changed when applying a non-mutator extension.');
 };Blockly.Extensions.checkHasFunction_=function(a,b,c){if(!b)throw Error(a+'missing required property "'+c+'"');if("function"!=typeof b)throw Error(a+'" required property "'+c+'" must be a function');};Blockly.Extensions.checkNoMutatorProperties_=function(a,b){if(Blockly.Extensions.getMutatorProperties_(b).length)throw Error('Error: tried to apply mutation "'+a+'" to a block that already has mutator functions.  Block id: '+b.id);};
 Blockly.Extensions.checkMutatorDialog_=function(a,b){var c=void 0!==a.compose,d=void 0!==a.decompose;if(c&&d){if("function"!=typeof a.compose)throw Error(b+"compose must be a function.");if("function"!=typeof a.decompose)throw Error(b+"decompose must be a function.");return!0}if(c||d)throw Error(b+'Must have both or neither of "compose" and "decompose"');return!1};
 Blockly.Extensions.checkBlockHasMutatorProperties_=function(a,b){if("function"!=typeof b.domToMutation)throw Error(a+'Applying a mutator didn\'t add "domToMutation"');if("function"!=typeof b.mutationToDom)throw Error(a+'Applying a mutator didn\'t add "mutationToDom"');Blockly.Extensions.checkMutatorDialog_(b,a)};
@@ -1379,11 +1331,10 @@ Blockly.Extensions.getMutatorProperties_=function(a){var b=[];void 0!==a.domToMu
 Blockly.Extensions.buildTooltipForDropdown=function(a,b){var c=[];"object"==typeof document&&Blockly.utils.runAfterPageLoad(function(){for(var a in b)Blockly.utils.checkMessageReferences(b[a])});return function(){this.type&&-1===c.indexOf(this.type)&&(Blockly.Extensions.checkDropdownOptionsInTable_(this,a,b),c.push(this.type));this.setTooltip(function(){var d=this.getFieldValue(a),e=b[d];null==e?-1===c.indexOf(this.type)&&(d="No tooltip mapping for value "+d+" of field "+a,null!=this.type&&(d+=" of block type "+
 this.type),console.warn(d+".")):e=Blockly.utils.replaceMessageReferences(e);return e}.bind(this))}};Blockly.Extensions.checkDropdownOptionsInTable_=function(a,b,c){var d=a.getField(b);if(!d.isOptionListDynamic()){d=d.getOptions();for(var e=0;e<d.length;++e){var f=d[e][1];null==c[f]&&console.warn("No tooltip mapping for value "+f+" of field "+b+" of block type "+a.type)}}};
 Blockly.Extensions.buildTooltipWithFieldText=function(a,b){"object"==typeof document&&Blockly.utils.runAfterPageLoad(function(){Blockly.utils.checkMessageReferences(a)});return function(){this.setTooltip(function(){var c=this.getField(b);return Blockly.utils.replaceMessageReferences(a).replace("%1",c?c.getText():"")}.bind(this))}};
-Blockly.Extensions.extensionParentTooltip_=function(){this.tooltipWhenNotConnected_=this.tooltip;this.setTooltip(function(){var a=this.getParent();return a&&a.getInputsInline()&&a.tooltip||this.tooltipWhenNotConnected_}.bind(this))};Blockly.Extensions.register("parent_tooltip_when_inline",Blockly.Extensions.extensionParentTooltip_);Blockly.Field=function(a,b){this.size_=new goog.math.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);this.setValue(a);this.setValidator(b)};Blockly.Field.TYPE_MAP_={};Blockly.Field.register=function(a,b){if(!goog.isString(a)||goog.string.isEmptyOrWhitespace(a))throw Error('Invalid field type "'+a+'"');if(!goog.isObject(b)||!goog.isFunction(b.fromJson))throw Error('Field "'+b+'" must have a fromJson function');Blockly.Field.TYPE_MAP_[a]=b};
-Blockly.Field.fromJson=function(a){var b=Blockly.Field.TYPE_MAP_[a.type];return b?b.fromJson(a):null};Blockly.Field.cacheWidths_=null;Blockly.Field.cacheReference_=0;Blockly.Field.prototype.name=void 0;Blockly.Field.prototype.maxDisplayLength=50;Blockly.Field.prototype.text_="";Blockly.Field.prototype.sourceBlock_=null;Blockly.Field.prototype.visible_=!0;Blockly.Field.prototype.validator_=null;Blockly.Field.NBSP="\u00a0";Blockly.Field.prototype.EDITABLE=!0;
-Blockly.Field.prototype.setSourceBlock=function(a){goog.asserts.assert(!this.sourceBlock_,"Field already bound to a block.");this.sourceBlock_=a};
+Blockly.Extensions.extensionParentTooltip_=function(){this.tooltipWhenNotConnected_=this.tooltip;this.setTooltip(function(){var a=this.getParent();return a&&a.getInputsInline()&&a.tooltip||this.tooltipWhenNotConnected_}.bind(this))};Blockly.Extensions.register("parent_tooltip_when_inline",Blockly.Extensions.extensionParentTooltip_);Blockly.Field=function(a,b){this.size_=new goog.math.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);this.setValue(a);this.setValidator(b)};Blockly.Field.TYPE_MAP_={};Blockly.Field.register=function(a,b){if("string"!=typeof a||""==a.trim())throw Error('Invalid field type "'+a+'"');if(!b||"function"!=typeof b.fromJson)throw Error('Field "'+b+'" must have a fromJson function');Blockly.Field.TYPE_MAP_[a]=b};Blockly.Field.fromJson=function(a){var b=Blockly.Field.TYPE_MAP_[a.type];return b?b.fromJson(a):null};
+Blockly.Field.cacheWidths_=null;Blockly.Field.cacheReference_=0;Blockly.Field.prototype.name=void 0;Blockly.Field.prototype.maxDisplayLength=50;Blockly.Field.prototype.text_="";Blockly.Field.prototype.sourceBlock_=null;Blockly.Field.prototype.visible_=!0;Blockly.Field.prototype.validator_=null;Blockly.Field.NBSP="\u00a0";Blockly.Field.prototype.EDITABLE=!0;Blockly.Field.prototype.setSourceBlock=function(a){if(this.sourceBlock_)throw Error("Field already bound to a block.");this.sourceBlock_=a};
 Blockly.Field.prototype.init=function(){this.fieldGroup_||(this.fieldGroup_=Blockly.utils.createSvgElement("g",{},null),this.visible_||(this.fieldGroup_.style.display="none"),this.borderRect_=Blockly.utils.createSvgElement("rect",{rx:4,ry:4,x:-Blockly.BlockSvg.SEP_SPACE_X/2,y:0,height:16},this.fieldGroup_),this.textElement_=Blockly.utils.createSvgElement("text",{"class":"blocklyText",y:this.size_.height-12.5},this.fieldGroup_),this.updateEditable(),this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_),
-this.mouseDownWrapper_=Blockly.bindEventWithChecks_(this.fieldGroup_,"mousedown",this,this.onMouseDown_),this.render_())};Blockly.Field.prototype.initModel=function(){};Blockly.Field.prototype.dispose=function(){this.mouseDownWrapper_&&(Blockly.unbindEvent_(this.mouseDownWrapper_),this.mouseDownWrapper_=null);this.sourceBlock_=null;goog.dom.removeNode(this.fieldGroup_);this.validator_=this.borderRect_=this.textElement_=this.fieldGroup_=null};
+this.mouseDownWrapper_=Blockly.bindEventWithChecks_(this.fieldGroup_,"mousedown",this,this.onMouseDown_),this.render_())};Blockly.Field.prototype.initModel=function(){};Blockly.Field.prototype.dispose=function(){this.mouseDownWrapper_&&(Blockly.unbindEvent_(this.mouseDownWrapper_),this.mouseDownWrapper_=null);this.sourceBlock_=null;this.fieldGroup_&&(this.fieldGroup_.parentNode.removeChild(this.fieldGroup_),this.fieldGroup_=null);this.validator_=this.borderRect_=this.textElement_=null};
 Blockly.Field.prototype.updateEditable=function(){var a=this.fieldGroup_;this.EDITABLE&&a&&(this.sourceBlock_.isEditable()?(Blockly.utils.addClass(a,"blocklyEditableText"),Blockly.utils.removeClass(a,"blocklyNonEditableText"),this.fieldGroup_.style.cursor=this.CURSOR):(Blockly.utils.addClass(a,"blocklyNonEditableText"),Blockly.utils.removeClass(a,"blocklyEditableText"),this.fieldGroup_.style.cursor=""))};
 Blockly.Field.prototype.isCurrentlyEditable=function(){return this.EDITABLE&&!!this.sourceBlock_&&this.sourceBlock_.isEditable()};Blockly.Field.prototype.isVisible=function(){return this.visible_};Blockly.Field.prototype.setVisible=function(a){if(this.visible_!=a){this.visible_=a;var b=this.getSvgRoot();b&&(b.style.display=a?"block":"none",this.render_())}};Blockly.Field.prototype.setValidator=function(a){this.validator_=a};Blockly.Field.prototype.getValidator=function(){return this.validator_};
 Blockly.Field.prototype.classValidator=function(a){return a};Blockly.Field.prototype.callValidator=function(a){var b=this.classValidator(a);if(null===b)return null;void 0!==b&&(a=b);if(b=this.getValidator()){b=b.call(this,a);if(null===b)return null;void 0!==b&&(a=b)}return a};Blockly.Field.prototype.getSvgRoot=function(){return this.fieldGroup_};Blockly.Field.prototype.render_=function(){this.visible_?(this.textElement_.textContent=this.getDisplayText_(),this.updateWidth()):this.size_.width=0};
@@ -1394,97 +1345,98 @@ Blockly.Field.prototype.getDisplayText_=function(){var a=this.text_;if(!a)return
 Blockly.Field.prototype.forceRerender=function(){this.size_.width=0;this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_())};Blockly.Field.prototype.getValue=function(){return this.getText()};Blockly.Field.prototype.setValue=function(a){if(null!==a){var b=this.getValue();b!=a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,b,a)),this.setText(a))}};
 Blockly.Field.prototype.onMouseDown_=function(a){this.sourceBlock_&&this.sourceBlock_.workspace&&(a=this.sourceBlock_.workspace.getGesture(a))&&a.setStartField(this)};Blockly.Field.prototype.setTooltip=function(a){};Blockly.Field.prototype.getAbsoluteXY_=function(){return goog.style.getPageOffset(this.borderRect_)};Blockly.Field.prototype.referencesVariables=function(){return!1};Blockly.FieldLabel=function(a,b){this.size_=new goog.math.Size(0,17.5);this.class_=b;this.setValue(a)};goog.inherits(Blockly.FieldLabel,Blockly.Field);Blockly.FieldLabel.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabel(b,a["class"])};Blockly.FieldLabel.prototype.EDITABLE=!1;
 Blockly.FieldLabel.prototype.init=function(){this.textElement_||(this.textElement_=Blockly.utils.createSvgElement("text",{"class":"blocklyText",y:this.size_.height-5},null),this.class_&&Blockly.utils.addClass(this.textElement_,this.class_),this.visible_||(this.textElement_.style.display="none"),this.sourceBlock_.getSvgRoot().appendChild(this.textElement_),this.textElement_.tooltip=this.sourceBlock_,Blockly.Tooltip.bindMouseEvents(this.textElement_),this.render_())};
-Blockly.FieldLabel.prototype.dispose=function(){goog.dom.removeNode(this.textElement_);this.textElement_=null};Blockly.FieldLabel.prototype.getSvgRoot=function(){return this.textElement_};Blockly.FieldLabel.prototype.setTooltip=function(a){this.textElement_.tooltip=a};Blockly.Field.register("field_label",Blockly.FieldLabel);Blockly.Input=function(a,b,c,d){if(a!=Blockly.DUMMY_INPUT&&!b)throw"Value inputs and statement inputs must have non-empty name.";this.type=a;this.name=b;this.sourceBlock_=c;this.connection=d;this.fieldRow=[]};Blockly.Input.prototype.align=Blockly.ALIGN_LEFT;Blockly.Input.prototype.visible_=!0;Blockly.Input.prototype.appendField=function(a,b){this.insertFieldAt(this.fieldRow.length,a,b);return this};
-Blockly.Input.prototype.insertFieldAt=function(a,b,c){if(0>a||a>this.fieldRow.length)throw Error("index "+a+" out of bounds.");if(!b&&!c)return a;goog.isString(b)&&(b=new Blockly.FieldLabel(b));b.setSourceBlock(this.sourceBlock_);this.sourceBlock_.rendered&&b.init();b.name=c;b.prefixField&&(a=this.insertFieldAt(a,b.prefixField));this.fieldRow.splice(a,0,b);++a;b.suffixField&&(a=this.insertFieldAt(a,b.suffixField));this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());
-return a};Blockly.Input.prototype.removeField=function(a){for(var b=0,c;c=this.fieldRow[b];b++)if(c.name===a){c.dispose();this.fieldRow.splice(b,1);this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());return}goog.asserts.fail('Field "%s" not found.',a)};Blockly.Input.prototype.isVisible=function(){return this.visible_};
-Blockly.Input.prototype.setVisible=function(a){var b=[];if(this.visible_==a)return b;for(var c=(this.visible_=a)?"block":"none",d=0,e;e=this.fieldRow[d];d++)e.setVisible(a);this.connection&&(a?b=this.connection.unhideAll():this.connection.hideAll(),d=this.connection.targetBlock())&&(d.getSvgRoot().style.display=c,a||(d.rendered=!1));return b};Blockly.Input.prototype.setCheck=function(a){if(!this.connection)throw"This input does not have a connection.";this.connection.setCheck(a);return this};
+Blockly.FieldLabel.prototype.dispose=function(){this.textElement_&&(this.textElement_.parentNode.removeChild(this.textElement_),this.textElement_=null)};Blockly.FieldLabel.prototype.getSvgRoot=function(){return this.textElement_};Blockly.FieldLabel.prototype.setTooltip=function(a){this.textElement_.tooltip=a};Blockly.Field.register("field_label",Blockly.FieldLabel);Blockly.Input=function(a,b,c,d){if(a!=Blockly.DUMMY_INPUT&&!b)throw Error("Value inputs and statement inputs must have non-empty name.");this.type=a;this.name=b;this.sourceBlock_=c;this.connection=d;this.fieldRow=[]};Blockly.Input.prototype.align=Blockly.ALIGN_LEFT;Blockly.Input.prototype.visible_=!0;Blockly.Input.prototype.appendField=function(a,b){this.insertFieldAt(this.fieldRow.length,a,b);return this};
+Blockly.Input.prototype.insertFieldAt=function(a,b,c){if(0>a||a>this.fieldRow.length)throw Error("index "+a+" out of bounds.");if(!b&&!c)return a;"string"==typeof b&&(b=new Blockly.FieldLabel(b));b.setSourceBlock(this.sourceBlock_);this.sourceBlock_.rendered&&b.init();b.name=c;b.prefixField&&(a=this.insertFieldAt(a,b.prefixField));this.fieldRow.splice(a,0,b);++a;b.suffixField&&(a=this.insertFieldAt(a,b.suffixField));this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());
+return a};Blockly.Input.prototype.removeField=function(a){for(var b=0,c;c=this.fieldRow[b];b++)if(c.name===a){c.dispose();this.fieldRow.splice(b,1);this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());return}throw Error('Field "%s" not found.',a);};Blockly.Input.prototype.isVisible=function(){return this.visible_};
+Blockly.Input.prototype.setVisible=function(a){var b=[];if(this.visible_==a)return b;for(var c=(this.visible_=a)?"block":"none",d=0,e;e=this.fieldRow[d];d++)e.setVisible(a);this.connection&&(a?b=this.connection.unhideAll():this.connection.hideAll(),d=this.connection.targetBlock())&&(d.getSvgRoot().style.display=c,a||(d.rendered=!1));return b};Blockly.Input.prototype.setCheck=function(a){if(!this.connection)throw Error("This input does not have a connection.");this.connection.setCheck(a);return this};
 Blockly.Input.prototype.setAlign=function(a){this.align=a;this.sourceBlock_.rendered&&this.sourceBlock_.render();return this};Blockly.Input.prototype.init=function(){if(this.sourceBlock_.workspace.rendered)for(var a=0;a<this.fieldRow.length;a++)this.fieldRow[a].init()};Blockly.Input.prototype.dispose=function(){for(var a=0,b;b=this.fieldRow[a];a++)b.dispose();this.connection&&this.connection.dispose();this.sourceBlock_=null};Blockly.Warning=function(a){Blockly.Warning.superClass_.constructor.call(this,a);this.createIcon();this.text_={}};goog.inherits(Blockly.Warning,Blockly.Icon);Blockly.Warning.prototype.collapseHidden=!1;
 Blockly.Warning.prototype.drawIcon_=function(a){Blockly.utils.createSvgElement("path",{"class":"blocklyIconShape",d:"M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z"},a);Blockly.utils.createSvgElement("path",{"class":"blocklyIconSymbol",d:"m7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z"},a);Blockly.utils.createSvgElement("rect",{"class":"blocklyIconSymbol",x:"7",y:"11",height:"2",width:"2"},a)};
 Blockly.Warning.textToDom_=function(a){var b=Blockly.utils.createSvgElement("text",{"class":"blocklyText blocklyBubbleText",y:Blockly.Bubble.BORDER_WIDTH},null);a=a.split("\n");for(var c=0;c<a.length;c++){var d=Blockly.utils.createSvgElement("tspan",{dy:"1em",x:Blockly.Bubble.BORDER_WIDTH},b),e=document.createTextNode(a[c]);d.appendChild(e)}return b};
 Blockly.Warning.prototype.setVisible=function(a){if(a!=this.isVisible())if(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"warningOpen",!a,a)),a){a=Blockly.Warning.textToDom_(this.getText());this.bubble_=new Blockly.Bubble(this.block_.workspace,a,this.block_.svgPath_,this.iconXY_,null,null);this.bubble_.setSvgId(this.block_.id);if(this.block_.RTL)for(var b=a.getBBox().width,c=0,d;d=a.childNodes[c];c++)d.setAttribute("text-anchor","end"),d.setAttribute("x",b+Blockly.Bubble.BORDER_WIDTH);this.updateColour();
 a=this.bubble_.getBubbleSize();this.bubble_.setBubbleSize(a.width,a.height)}else this.bubble_.dispose(),this.body_=this.bubble_=null};Blockly.Warning.prototype.bodyFocus_=function(a){this.bubble_.promote_()};Blockly.Warning.prototype.setText=function(a,b){this.text_[b]!=a&&(a?this.text_[b]=a:delete this.text_[b],this.isVisible()&&(this.setVisible(!1),this.setVisible(!0)))};Blockly.Warning.prototype.getText=function(){var a=[],b;for(b in this.text_)a.push(this.text_[b]);return a.join("\n")};
 Blockly.Warning.prototype.dispose=function(){this.block_.warning=null;Blockly.Icon.prototype.dispose.call(this)};Blockly.Block=function(a,b,c){"undefined"!==typeof Blockly.Generator.prototype[b]&&console.warn('FUTURE ERROR: Block prototypeName "'+b+'" conflicts with Blockly.Generator members. Registering Generators for this block type will incur errors.\nThis name will be DISALLOWED (throwing an error) in future versions of Blockly.');this.id=c&&!a.getBlockById(c)?c:Blockly.utils.genUid();a.blockDB_[this.id]=this;this.previousConnection=this.nextConnection=this.outputConnection=null;this.inputList=[];this.inputsInline=
-void 0;this.disabled=!1;this.tooltip="";this.contextMenu=!0;this.parentBlock_=null;this.childBlocks_=[];this.editable_=this.movable_=this.deletable_=!0;this.collapsed_=this.isShadow_=!1;this.comment=null;this.xy_=new goog.math.Coordinate(0,0);this.workspace=a;this.isInFlyout=a.isFlyout;this.isInMutator=a.isMutator;this.RTL=a.RTL;b&&(this.type=b,c=Blockly.Blocks[b],goog.asserts.assertObject(c,'Error: Unknown block type "%s".',b),goog.mixin(this,c));a.addTopBlock(this);goog.isFunction(this.init)&&this.init();
-this.inputsInlineDefault=this.inputsInline;if(Blockly.Events.isEnabled()){(a=Blockly.Events.getGroup())||Blockly.Events.setGroup(!0);try{Blockly.Events.fire(new Blockly.Events.BlockCreate(this))}finally{a||Blockly.Events.setGroup(!1)}}goog.isFunction(this.onchange)&&this.setOnChange(this.onchange)};Blockly.Block.obtain=function(a,b){console.warn("Deprecated call to Blockly.Block.obtain, use workspace.newBlock instead.");return a.newBlock(b)};Blockly.Block.prototype.data=null;
+void 0;this.disabled=!1;this.tooltip="";this.contextMenu=!0;this.parentBlock_=null;this.childBlocks_=[];this.editable_=this.movable_=this.deletable_=!0;this.collapsed_=this.isShadow_=!1;this.comment=null;this.xy_=new goog.math.Coordinate(0,0);this.workspace=a;this.isInFlyout=a.isFlyout;this.isInMutator=a.isMutator;this.RTL=a.RTL;if(b){this.type=b;c=Blockly.Blocks[b];if(!c||"object"!=typeof c)throw TypeError("Unknown block type: "+b);goog.mixin(this,c)}a.addTopBlock(this);"function"==typeof this.init&&
+this.init();this.inputsInlineDefault=this.inputsInline;if(Blockly.Events.isEnabled()){(a=Blockly.Events.getGroup())||Blockly.Events.setGroup(!0);try{Blockly.Events.fire(new Blockly.Events.BlockCreate(this))}finally{a||Blockly.Events.setGroup(!1)}}"function"==typeof this.onchange&&this.setOnChange(this.onchange)};Blockly.Block.obtain=function(a,b){console.warn("Deprecated call to Blockly.Block.obtain, use workspace.newBlock instead.");return a.newBlock(b)};Blockly.Block.prototype.data=null;
 Blockly.Block.prototype.colour_="#000000";Blockly.Block.prototype.hue_=null;
 Blockly.Block.prototype.dispose=function(a){if(this.workspace){this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);this.unplug(a);Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockDelete(this));Blockly.Events.disable();try{this.workspace&&(this.workspace.removeTopBlock(this),delete this.workspace.blockDB_[this.id],this.workspace=null);Blockly.selected==this&&(Blockly.selected=null);for(var b=this.childBlocks_.length-1;0<=b;b--)this.childBlocks_[b].dispose(!1);
-b=0;for(var c;c=this.inputList[b];b++)c.dispose();this.inputList.length=0;var d=this.getConnections_(!0);for(b=0;b<d.length;b++){var e=d[b];e.isConnected()&&e.disconnect();d[b].dispose()}}finally{Blockly.Events.enable()}}};Blockly.Block.prototype.initModel=function(){for(var a=0,b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.initModel&&d.initModel()};
-Blockly.Block.prototype.unplug=function(a){if(this.outputConnection)this.outputConnection.isConnected()&&this.outputConnection.disconnect();else if(this.previousConnection){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&b.checkType_(a)&&b.connect(a))}};
+b=0;for(var c;c=this.inputList[b];b++)c.dispose();this.inputList.length=0;var d=this.getConnections_(!0);for(b=0;b<d.length;b++){var e=d[b];e.isConnected()&&e.disconnect();d[b].dispose()}}finally{Blockly.Events.enable()}}};Blockly.Block.prototype.initModel=function(){for(var a=0,b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.initModel&&d.initModel()};Blockly.Block.prototype.unplug=function(a){this.outputConnection?this.unplugFromRow_(a):this.previousConnection&&this.unplugFromStack_(a)};
+Blockly.Block.prototype.unplugFromRow_=function(a){var b=null;this.outputConnection.isConnected()&&(b=this.outputConnection.targetConnection,this.outputConnection.disconnect());b&&a&&(a=this.getOnlyValueConnection_())&&a.isConnected()&&(a=a.targetConnection,a.checkType_(b)&&(a.disconnect(),b.connect(a)))};
+Blockly.Block.prototype.getOnlyValueConnection_=function(){for(var a=!1,b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;if(c&&c.type==Blockly.INPUT_VALUE){if(a)return null;a=c}}return a};Blockly.Block.prototype.unplugFromStack_=function(a){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&b.checkType_(a)&&b.connect(a))};
 Blockly.Block.prototype.getConnections_=function(a){a=[];this.outputConnection&&a.push(this.outputConnection);this.previousConnection&&a.push(this.previousConnection);this.nextConnection&&a.push(this.nextConnection);for(var b=0,c;c=this.inputList[b];b++)c.connection&&a.push(c.connection);return a};Blockly.Block.prototype.lastConnectionInStack=function(){for(var a=this.nextConnection;a;){var b=a.targetBlock();if(!b)return a;a=b.nextConnection}return null};Blockly.Block.prototype.bumpNeighbours_=function(){console.warn("Not expected to reach this bumpNeighbours_ function. The BlockSvg function for bumpNeighbours_ was expected to be called instead.")};
 Blockly.Block.prototype.getParent=function(){return this.parentBlock_};Blockly.Block.prototype.getInputWithBlock=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&c.connection.targetBlock()==a)return c;return null};Blockly.Block.prototype.getSurroundParent=function(){var a=this;do{var b=a;a=a.getParent();if(!a)return null}while(a.getNextBlock()==b);return a};Blockly.Block.prototype.getNextBlock=function(){return this.nextConnection&&this.nextConnection.targetBlock()};
 Blockly.Block.prototype.getRootBlock=function(){var a=this;do{var b=a;a=b.parentBlock_}while(a);return b};Blockly.Block.prototype.getChildren=function(a){if(!a)return this.childBlocks_;a=[];for(var b=0,c;c=this.inputList[b];b++)c.connection&&(c=c.connection.targetBlock())&&a.push(c);(b=this.getNextBlock())&&a.push(b);return a};
-Blockly.Block.prototype.setParent=function(a){if(a!=this.parentBlock_){if(this.parentBlock_){goog.array.remove(this.parentBlock_.childBlocks_,this);if(this.previousConnection&&this.previousConnection.isConnected())throw"Still connected to previous block.";if(this.outputConnection&&this.outputConnection.isConnected())throw"Still connected to parent block.";this.parentBlock_=null}else this.workspace.removeTopBlock(this);(this.parentBlock_=a)?a.childBlocks_.push(this):this.workspace.addTopBlock(this)}};
+Blockly.Block.prototype.setParent=function(a){if(a!=this.parentBlock_){if(this.parentBlock_){Blockly.utils.arrayRemove(this.parentBlock_.childBlocks_,this);if(this.previousConnection&&this.previousConnection.isConnected())throw Error("Still connected to previous block.");if(this.outputConnection&&this.outputConnection.isConnected())throw Error("Still connected to parent block.");this.parentBlock_=null}else this.workspace.removeTopBlock(this);(this.parentBlock_=a)?a.childBlocks_.push(this):this.workspace.addTopBlock(this)}};
 Blockly.Block.prototype.getDescendants=function(a){for(var b=[this],c=this.getChildren(a),d,e=0;d=c[e];e++)b.push.apply(b,d.getDescendants(a));return b};Blockly.Block.prototype.isDeletable=function(){return this.deletable_&&!this.isShadow_&&!(this.workspace&&this.workspace.options.readOnly)};Blockly.Block.prototype.setDeletable=function(a){this.deletable_=a};Blockly.Block.prototype.isMovable=function(){return this.movable_&&!this.isShadow_&&!(this.workspace&&this.workspace.options.readOnly)};
 Blockly.Block.prototype.setMovable=function(a){this.movable_=a};Blockly.Block.prototype.isShadow=function(){return this.isShadow_};Blockly.Block.prototype.setShadow=function(a){this.isShadow_=a};Blockly.Block.prototype.isEditable=function(){return this.editable_&&!(this.workspace&&this.workspace.options.readOnly)};Blockly.Block.prototype.setEditable=function(a){this.editable_=a;a=0;for(var b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.updateEditable()};
 Blockly.Block.prototype.setConnectionsHidden=function(a){if(!a&&this.isCollapsed()){if(this.outputConnection&&this.outputConnection.setHidden(a),this.previousConnection&&this.previousConnection.setHidden(a),this.nextConnection){this.nextConnection.setHidden(a);var b=this.nextConnection.targetBlock();b&&b.setConnectionsHidden(a)}}else for(var c=this.getConnections_(!0),d=0;b=c[d];d++)b.setHidden(a),b.isSuperior()&&(b=b.targetBlock())&&b.setConnectionsHidden(a)};
 Blockly.Block.prototype.setHelpUrl=function(a){this.helpUrl=a};Blockly.Block.prototype.setTooltip=function(a){this.tooltip=a};Blockly.Block.prototype.getColour=function(){return this.colour_};Blockly.Block.prototype.getHue=function(){return this.hue_};
-Blockly.Block.prototype.setColour=function(a){var b=goog.isString(a)?Blockly.utils.replaceMessageReferences(a):a,c=Number(b);if(!isNaN(c)&&0<=c&&360>=c)this.hue_=c,this.colour_=Blockly.hueToRgb(c);else if(goog.isString(b)&&/^#[0-9a-fA-F]{6}$/.test(b))this.colour_=b,this.hue_=null;else throw c='Invalid colour: "'+b+'"',a!=b&&(c+=' (from "'+a+'")'),c;};
-Blockly.Block.prototype.setOnChange=function(a){if(a&&!goog.isFunction(a))throw Error("onchange must be a function.");this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);if(this.onchange=a)this.onchangeWrapper_=a.bind(this),this.workspace.addChangeListener(this.onchangeWrapper_)};Blockly.Block.prototype.getField=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)if(e.name===a)return e;return null};
+Blockly.Block.prototype.setColour=function(a){var b="string"==typeof a?Blockly.utils.replaceMessageReferences(a):a,c=Number(b);if(!isNaN(c)&&0<=c&&360>=c)this.hue_=c,this.colour_=Blockly.hueToRgb(c);else if("string"==typeof b&&/^#[0-9a-fA-F]{6}$/.test(b))this.colour_=b,this.hue_=null;else throw c='Invalid colour: "'+b+'"',a!=b&&(c+=' (from "'+a+'")'),c;};
+Blockly.Block.prototype.setOnChange=function(a){if(a&&"function"!=typeof a)throw Error("onchange must be a function.");this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);if(this.onchange=a)this.onchangeWrapper_=a.bind(this),this.workspace.addChangeListener(this.onchangeWrapper_)};Blockly.Block.prototype.getField=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)if(e.name===a)return e;return null};
 Blockly.Block.prototype.getVars=function(){for(var a=[],b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&a.push(e.getValue());return a};Blockly.Block.prototype.getVarModels=function(){for(var a=[],b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&(e=this.workspace.getVariableById(e.getValue()))&&a.push(e);return a};
 Blockly.Block.prototype.updateVarName=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&a.getId()==e.getValue()&&e.setText(a.name)};Blockly.Block.prototype.renameVarById=function(a,b){for(var c=0,d;d=this.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)f.referencesVariables()&&a==f.getValue()&&f.setValue(b)};Blockly.Block.prototype.getFieldValue=function(a){return(a=this.getField(a))?a.getValue():null};
-Blockly.Block.prototype.setFieldValue=function(a,b){var c=this.getField(b);goog.asserts.assertObject(c,'Field "%s" not found.',b);c.setValue(a)};
-Blockly.Block.prototype.setPreviousStatement=function(a,b){a?(void 0===b&&(b=null),this.previousConnection||(goog.asserts.assert(!this.outputConnection,"Remove output connection prior to adding previous connection."),this.previousConnection=this.makeConnection_(Blockly.PREVIOUS_STATEMENT)),this.previousConnection.setCheck(b)):this.previousConnection&&(goog.asserts.assert(!this.previousConnection.isConnected(),"Must disconnect previous statement before removing connection."),this.previousConnection.dispose(),
-this.previousConnection=null)};Blockly.Block.prototype.setNextStatement=function(a,b){a?(void 0===b&&(b=null),this.nextConnection||(this.nextConnection=this.makeConnection_(Blockly.NEXT_STATEMENT)),this.nextConnection.setCheck(b)):this.nextConnection&&(goog.asserts.assert(!this.nextConnection.isConnected(),"Must disconnect next statement before removing connection."),this.nextConnection.dispose(),this.nextConnection=null)};
-Blockly.Block.prototype.setOutput=function(a,b){a?(void 0===b&&(b=null),this.outputConnection||(goog.asserts.assert(!this.previousConnection,"Remove previous connection prior to adding output connection."),this.outputConnection=this.makeConnection_(Blockly.OUTPUT_VALUE)),this.outputConnection.setCheck(b)):this.outputConnection&&(goog.asserts.assert(!this.outputConnection.isConnected(),"Must disconnect output value before removing connection."),this.outputConnection.dispose(),this.outputConnection=
-null)};Blockly.Block.prototype.setInputsInline=function(a){this.inputsInline!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"inline",null,this.inputsInline,a)),this.inputsInline=a)};
+Blockly.Block.prototype.setFieldValue=function(a,b){var c=this.getField(b);if(!c)throw Error('Field "'+b+'" not found.');c.setValue(a)};
+Blockly.Block.prototype.setPreviousStatement=function(a,b){if(a){void 0===b&&(b=null);if(!this.previousConnection){if(this.outputConnection)throw Error("Remove output connection prior to adding previous connection.");this.previousConnection=this.makeConnection_(Blockly.PREVIOUS_STATEMENT)}this.previousConnection.setCheck(b)}else if(this.previousConnection){if(this.previousConnection.isConnected())throw Error("Must disconnect previous statement before removing connection.");this.previousConnection.dispose();
+this.previousConnection=null}};Blockly.Block.prototype.setNextStatement=function(a,b){if(a)void 0===b&&(b=null),this.nextConnection||(this.nextConnection=this.makeConnection_(Blockly.NEXT_STATEMENT)),this.nextConnection.setCheck(b);else if(this.nextConnection){if(this.nextConnection.isConnected())throw Error("Must disconnect next statement before removing connection.");this.nextConnection.dispose();this.nextConnection=null}};
+Blockly.Block.prototype.setOutput=function(a,b){if(a){void 0===b&&(b=null);if(!this.outputConnection){if(this.previousConnection)throw Error("Remove previous connection prior to adding output connection.");this.outputConnection=this.makeConnection_(Blockly.OUTPUT_VALUE)}this.outputConnection.setCheck(b)}else if(this.outputConnection){if(this.outputConnection.isConnected())throw Error("Must disconnect output value before removing connection.");this.outputConnection.dispose();this.outputConnection=
+null}};Blockly.Block.prototype.setInputsInline=function(a){this.inputsInline!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"inline",null,this.inputsInline,a)),this.inputsInline=a)};
 Blockly.Block.prototype.getInputsInline=function(){if(void 0!=this.inputsInline)return this.inputsInline;for(var a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.DUMMY_INPUT&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!1;for(a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.INPUT_VALUE&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!0;return!1};
 Blockly.Block.prototype.setDisabled=function(a){this.disabled!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"disabled",null,this.disabled,a)),this.disabled=a)};Blockly.Block.prototype.getInheritedDisabled=function(){for(var a=this.getSurroundParent();a;){if(a.disabled)return!0;a=a.getSurroundParent()}return!1};Blockly.Block.prototype.isCollapsed=function(){return this.collapsed_};
 Blockly.Block.prototype.setCollapsed=function(a){this.collapsed_!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"collapsed",null,this.collapsed_,a)),this.collapsed_=a)};
-Blockly.Block.prototype.toString=function(a,b){var c=[],d=b||"?";if(this.collapsed_)c.push(this.getInput("_TEMP_COLLAPSED_INPUT").fieldRow[0].text_);else for(var e=0,f;f=this.inputList[e];e++){for(var g=0,h;h=f.fieldRow[g];g++)h instanceof Blockly.FieldDropdown&&!h.getValue()?c.push(d):c.push(h.getText());f.connection&&((f=f.connection.targetBlock())?c.push(f.toString(void 0,b)):c.push(d))}c=goog.string.trim(c.join(" "))||"???";a&&(c=goog.string.truncate(c,a));return c};
+Blockly.Block.prototype.toString=function(a,b){var c=[],d=b||"?";if(this.collapsed_)c.push(this.getInput("_TEMP_COLLAPSED_INPUT").fieldRow[0].text_);else for(var e=0,f;f=this.inputList[e];e++){for(var g=0,h;h=f.fieldRow[g];g++)h instanceof Blockly.FieldDropdown&&!h.getValue()?c.push(d):c.push(h.getText());f.connection&&((f=f.connection.targetBlock())?c.push(f.toString(void 0,b)):c.push(d))}c=c.join(" ").trim()||"???";a&&c.length>a&&(c=c.substring(0,a-3)+"...");return c};
 Blockly.Block.prototype.appendValueInput=function(a){return this.appendInput_(Blockly.INPUT_VALUE,a)};Blockly.Block.prototype.appendStatementInput=function(a){return this.appendInput_(Blockly.NEXT_STATEMENT,a)};Blockly.Block.prototype.appendDummyInput=function(a){return this.appendInput_(Blockly.DUMMY_INPUT,a||"")};
-Blockly.Block.prototype.jsonInit=function(a){var b=a.type?'Block "'+a.type+'": ':"";goog.asserts.assert(void 0==a.output||void 0==a.previousStatement,b+"Must not have both an output and a previousStatement.");this.jsonInitColour_(a,b);for(var c=0;void 0!==a["message"+c];)this.interpolate_(a["message"+c],a["args"+c]||[],a["lastDummyAlign"+c]),c++;void 0!==a.inputsInline&&this.setInputsInline(a.inputsInline);void 0!==a.output&&this.setOutput(!0,a.output);void 0!==a.previousStatement&&this.setPreviousStatement(!0,
-a.previousStatement);void 0!==a.nextStatement&&this.setNextStatement(!0,a.nextStatement);void 0!==a.tooltip&&(c=a.tooltip,c=Blockly.utils.replaceMessageReferences(c),this.setTooltip(c));void 0!==a.enableContextMenu&&(c=a.enableContextMenu,this.contextMenu=!!c);void 0!==a.helpUrl&&(c=a.helpUrl,c=Blockly.utils.replaceMessageReferences(c),this.setHelpUrl(c));goog.isString(a.extensions)&&(console.warn(b+"JSON attribute 'extensions' should be an array of strings. Found raw string in JSON for '"+a.type+
-"' block."),a.extensions=[a.extensions]);void 0!==a.mutator&&Blockly.Extensions.apply(a.mutator,this,!0);if(Array.isArray(a.extensions))for(a=a.extensions,b=0;b<a.length;++b)Blockly.Extensions.apply(a[b],this,!1)};Blockly.Block.prototype.jsonInitColour_=function(a,b){if("colour"in a)if(void 0===a.colour)console.warn(b+"Undefined color value.");else{a=a.colour;try{this.setColour(a)}catch(c){console.warn(b+"Illegal color value: ",a)}}};
-Blockly.Block.prototype.mixin=function(a,b){if(goog.isDef(b)&&!goog.isBoolean(b))throw Error("opt_disableCheck must be a boolean if provided");if(!b){b=[];for(var c in a)void 0!==this[c]&&b.push(c);if(b.length)throw Error("Mixin will overwrite block members: "+JSON.stringify(b));}goog.mixin(this,a)};
+Blockly.Block.prototype.jsonInit=function(a){var b=a.type?'Block "'+a.type+'": ':"";if(a.output&&a.previousStatement)throw Error(b+"Must not have both an output and a previousStatement.");this.jsonInitColour_(a,b);for(var c=0;void 0!==a["message"+c];)this.interpolate_(a["message"+c],a["args"+c]||[],a["lastDummyAlign"+c]),c++;void 0!==a.inputsInline&&this.setInputsInline(a.inputsInline);void 0!==a.output&&this.setOutput(!0,a.output);void 0!==a.previousStatement&&this.setPreviousStatement(!0,a.previousStatement);
+void 0!==a.nextStatement&&this.setNextStatement(!0,a.nextStatement);void 0!==a.tooltip&&(c=a.tooltip,c=Blockly.utils.replaceMessageReferences(c),this.setTooltip(c));void 0!==a.enableContextMenu&&(c=a.enableContextMenu,this.contextMenu=!!c);void 0!==a.helpUrl&&(c=a.helpUrl,c=Blockly.utils.replaceMessageReferences(c),this.setHelpUrl(c));"string"==typeof a.extensions&&(console.warn(b+"JSON attribute 'extensions' should be an array of strings. Found raw string in JSON for '"+a.type+"' block."),a.extensions=
+[a.extensions]);void 0!==a.mutator&&Blockly.Extensions.apply(a.mutator,this,!0);if(Array.isArray(a.extensions))for(a=a.extensions,b=0;b<a.length;++b)Blockly.Extensions.apply(a[b],this,!1)};Blockly.Block.prototype.jsonInitColour_=function(a,b){if("colour"in a)if(void 0===a.colour)console.warn(b+"Undefined color value.");else{a=a.colour;try{this.setColour(a)}catch(c){console.warn(b+"Illegal color value: ",a)}}};
+Blockly.Block.prototype.mixin=function(a,b){if(void 0!==b&&"boolean"!=typeof b)throw Error("opt_disableCheck must be a boolean if provided");if(!b){b=[];for(var c in a)void 0!==this[c]&&b.push(c);if(b.length)throw Error("Mixin will overwrite block members: "+JSON.stringify(b));}goog.mixin(this,a)};
 Blockly.Block.prototype.interpolate_=function(a,b,c){var d=Blockly.utils.tokenizeInterpolation(a),e=[],f=0;a=[];for(var g=0;g<d.length;g++){var h=d[g];if("number"==typeof h){if(0>=h||h>b.length)throw Error('Block "'+this.type+'": Message index %'+h+" out of range.");if(e[h])throw Error('Block "'+this.type+'": Message index %'+h+" duplicated.");e[h]=!0;f++;a.push(b[h-1])}else(h=h.trim())&&a.push(h)}if(f!=b.length)throw Error('Block "'+this.type+'": Message does not reference all '+b.length+" arg(s).");
-a.length&&("string"==typeof a[a.length-1]||goog.string.startsWith(a[a.length-1].type,"field_"))&&(g={type:"input_dummy"},c&&(g.align=c),a.push(g));c={LEFT:Blockly.ALIGN_LEFT,RIGHT:Blockly.ALIGN_RIGHT,CENTRE:Blockly.ALIGN_CENTRE};b=[];for(g=0;g<a.length;g++)if(e=a[g],"string"==typeof e)b.push([e,void 0]);else{d=f=null;do if(h=!1,"string"==typeof e)f=new Blockly.FieldLabel(e);else switch(e.type){case "input_value":d=this.appendValueInput(e.name);break;case "input_statement":d=this.appendStatementInput(e.name);
+a.length&&("string"==typeof a[a.length-1]||Blockly.utils.startsWith(a[a.length-1].type,"field_"))&&(g={type:"input_dummy"},c&&(g.align=c),a.push(g));c={LEFT:Blockly.ALIGN_LEFT,RIGHT:Blockly.ALIGN_RIGHT,CENTRE:Blockly.ALIGN_CENTRE};b=[];for(g=0;g<a.length;g++)if(e=a[g],"string"==typeof e)b.push([e,void 0]);else{d=f=null;do if(h=!1,"string"==typeof e)f=new Blockly.FieldLabel(e);else switch(e.type){case "input_value":d=this.appendValueInput(e.name);break;case "input_statement":d=this.appendStatementInput(e.name);
 break;case "input_dummy":d=this.appendDummyInput(e.name);break;default:f=Blockly.Field.fromJson(e),f||(e.alt?(e=e.alt,h=!0):console.warn("Blockly could not create a field of type "+e.type+". You may need to register your custom field.  See github.com/google/blockly/issues/1584"))}while(h);if(f)b.push([f,e.name]);else if(d){e.check&&d.setCheck(e.check);e.align&&d.setAlign(c[e.align]);for(e=0;e<b.length;e++)d.appendField(b[e][0],b[e][1]);b.length=0}}};
 Blockly.Block.prototype.appendInput_=function(a,b){var c=null;if(a==Blockly.INPUT_VALUE||a==Blockly.NEXT_STATEMENT)c=this.makeConnection_(a);a=new Blockly.Input(a,b,this,c);this.inputList.push(a);return a};
-Blockly.Block.prototype.moveInputBefore=function(a,b){if(a!=b){for(var c=-1,d=b?-1:this.inputList.length,e=0,f;f=this.inputList[e];e++)if(f.name==a){if(c=e,-1!=d)break}else if(b&&f.name==b&&(d=e,-1!=c))break;goog.asserts.assert(-1!=c,'Named input "%s" not found.',a);goog.asserts.assert(-1!=d,'Reference input "%s" not found.',b);this.moveNumberedInputBefore(c,d)}};
-Blockly.Block.prototype.moveNumberedInputBefore=function(a,b){goog.asserts.assert(a!=b,"Can't move input to itself.");goog.asserts.assert(a<this.inputList.length,"Input index "+a+" out of bounds.");goog.asserts.assert(b<=this.inputList.length,"Reference input "+b+" out of bounds.");var c=this.inputList[a];this.inputList.splice(a,1);a<b&&b--;this.inputList.splice(b,0,c)};
-Blockly.Block.prototype.removeInput=function(a,b){for(var c=0,d;d=this.inputList[c];c++)if(d.name==a){d.connection&&d.connection.isConnected()&&(d.connection.setShadowDom(null),a=d.connection.targetBlock(),a.isShadow()?a.dispose():a.unplug());d.dispose();this.inputList.splice(c,1);return}b||goog.asserts.fail('Input "%s" not found.',a)};Blockly.Block.prototype.getInput=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.name==a)return c;return null};
+Blockly.Block.prototype.moveInputBefore=function(a,b){if(a!=b){for(var c=-1,d=b?-1:this.inputList.length,e=0,f;f=this.inputList[e];e++)if(f.name==a){if(c=e,-1!=d)break}else if(b&&f.name==b&&(d=e,-1!=c))break;if(-1==c)throw Error('Named input "'+a+'" not found.');if(-1==d)throw Error('Reference input "'+b+'" not found.');this.moveNumberedInputBefore(c,d)}};
+Blockly.Block.prototype.moveNumberedInputBefore=function(a,b){if(a==b)throw Error("Can't move input to itself.");if(a>=this.inputList.length)throw RangeError("Input index "+a+" out of bounds.");if(b>this.inputList.length)throw RangeError("Reference input "+b+" out of bounds.");var c=this.inputList[a];this.inputList.splice(a,1);a<b&&b--;this.inputList.splice(b,0,c)};
+Blockly.Block.prototype.removeInput=function(a,b){for(var c=0,d;d=this.inputList[c];c++)if(d.name==a){d.connection&&d.connection.isConnected()&&(d.connection.setShadowDom(null),a=d.connection.targetBlock(),a.isShadow()?a.dispose():a.unplug());d.dispose();this.inputList.splice(c,1);return}if(!b)throw Error("Input not found: "+a);};Blockly.Block.prototype.getInput=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.name==a)return c;return null};
 Blockly.Block.prototype.getInputTargetBlock=function(a){return(a=this.getInput(a))&&a.connection&&a.connection.targetBlock()};Blockly.Block.prototype.getCommentText=function(){return this.comment||""};Blockly.Block.prototype.setCommentText=function(a){this.comment!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"comment",null,this.comment,a||"")),this.comment=a)};Blockly.Block.prototype.setWarningText=function(a,b){};Blockly.Block.prototype.setMutator=function(a){};
-Blockly.Block.prototype.getRelativeToSurfaceXY=function(){return this.xy_};Blockly.Block.prototype.moveBy=function(a,b){goog.asserts.assert(!this.parentBlock_,"Block has parent.");var c=new Blockly.Events.BlockMove(this);this.xy_.translate(a,b);c.recordNew();Blockly.Events.fire(c)};Blockly.Block.prototype.makeConnection_=function(a){return new Blockly.Connection(this,a)};
+Blockly.Block.prototype.getRelativeToSurfaceXY=function(){return this.xy_};Blockly.Block.prototype.moveBy=function(a,b){if(this.parentBlock_)throw Error("Block has parent.");var c=new Blockly.Events.BlockMove(this);this.xy_.translate(a,b);c.recordNew();Blockly.Events.fire(c)};Blockly.Block.prototype.makeConnection_=function(a){return new Blockly.Connection(this,a)};
 Blockly.Block.prototype.allInputsFilled=function(a){void 0===a&&(a=!0);if(!a&&this.isShadow())return!1;for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&(c=c.connection.targetBlock(),!c||!c.allInputsFilled(a)))return!1;return(b=this.getNextBlock())?b.allInputsFilled(a):!0};Blockly.Block.prototype.toDevString=function(){var a=this.type?'"'+this.type+'" block':"Block";this.id&&(a+=' (id="'+this.id+'")');return a};Blockly.utils.uiMenu={};Blockly.utils.uiMenu.getSize=function(a){a=a.getElement();var b=goog.style.getSize(a);b.height=a.scrollHeight;return b};Blockly.utils.uiMenu.adjustBBoxesForRTL=function(a,b,c){b.left+=c.width;b.right+=c.width;a.left+=c.width;a.right+=c.width};Blockly.ContextMenu={};Blockly.ContextMenu.currentBlock=null;Blockly.ContextMenu.eventWrapper_=null;Blockly.ContextMenu.show=function(a,b,c){Blockly.WidgetDiv.show(Blockly.ContextMenu,c,null);if(b.length){var d=Blockly.ContextMenu.populate_(b,c);goog.events.listen(d,goog.ui.Component.EventType.ACTION,Blockly.ContextMenu.hide);Blockly.ContextMenu.position_(d,a,c);setTimeout(function(){d.getElement().focus()},1);Blockly.ContextMenu.currentBlock=null}else Blockly.ContextMenu.hide()};
 Blockly.ContextMenu.populate_=function(a,b){var c=new goog.ui.Menu;c.setRightToLeft(b);for(var d=0,e;e=a[d];d++){var f=new goog.ui.MenuItem(e.text);f.setRightToLeft(b);c.addChild(f,!0);f.setEnabled(e.enabled);e.enabled&&(goog.events.listen(f,goog.ui.Component.EventType.ACTION,e.callback),f.handleContextMenu=function(){goog.events.dispatchEvent(this,goog.ui.Component.EventType.ACTION)})}return c};
 Blockly.ContextMenu.position_=function(a,b,c){var d=Blockly.utils.getViewportBBox();b={top:b.clientY+d.top,bottom:b.clientY+d.top,left:b.clientX+d.left,right:b.clientX+d.left};Blockly.ContextMenu.createWidget_(a);var e=Blockly.utils.uiMenu.getSize(a);c&&Blockly.utils.uiMenu.adjustBBoxesForRTL(d,b,e);Blockly.WidgetDiv.positionWithAnchor(d,b,e,c);a.getElement().focus()};
 Blockly.ContextMenu.createWidget_=function(a){a.render(Blockly.WidgetDiv.DIV);var b=a.getElement();Blockly.utils.addClass(b,"blocklyContextMenu");Blockly.bindEventWithChecks_(b,"contextmenu",null,Blockly.utils.noEvent);a.setAllowAutoFocus(!0)};Blockly.ContextMenu.hide=function(){Blockly.WidgetDiv.hideIfOwner(Blockly.ContextMenu);Blockly.ContextMenu.currentBlock=null;Blockly.ContextMenu.eventWrapper_&&Blockly.unbindEvent_(Blockly.ContextMenu.eventWrapper_)};
 Blockly.ContextMenu.callbackFactory=function(a,b){return function(){Blockly.Events.disable();try{var c=Blockly.Xml.domToBlock(b,a.workspace),d=a.getRelativeToSurfaceXY();d.x=a.RTL?d.x-Blockly.SNAP_RADIUS:d.x+Blockly.SNAP_RADIUS;d.y+=2*Blockly.SNAP_RADIUS;c.moveBy(d.x,d.y)}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&!c.isShadow()&&Blockly.Events.fire(new Blockly.Events.BlockCreate(c));c.select()}};
-Blockly.ContextMenu.blockDeleteOption=function(a){var b=a.getDescendants(!1).length,c=a.getNextBlock();c&&(b-=c.getDescendants(!1).length);return{text:1==b?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(b)),enabled:!0,callback:function(){Blockly.Events.setGroup(!0);a.dispose(!0,!0);Blockly.Events.setGroup(!1)}}};Blockly.ContextMenu.blockHelpOption=function(a){return{enabled:!(goog.isFunction(a.helpUrl)?!a.helpUrl():!a.helpUrl),text:Blockly.Msg.HELP,callback:function(){a.showHelp_()}}};
+Blockly.ContextMenu.blockDeleteOption=function(a){var b=a.getDescendants(!1).length,c=a.getNextBlock();c&&(b-=c.getDescendants(!1).length);return{text:1==b?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(b)),enabled:!0,callback:function(){Blockly.Events.setGroup(!0);a.dispose(!0,!0);Blockly.Events.setGroup(!1)}}};Blockly.ContextMenu.blockHelpOption=function(a){return{enabled:!("function"==typeof a.helpUrl?!a.helpUrl():!a.helpUrl),text:Blockly.Msg.HELP,callback:function(){a.showHelp_()}}};
 Blockly.ContextMenu.blockDuplicateOption=function(a){var b=!0;a.getDescendants(!1).length>a.workspace.remainingCapacity()&&(b=!1);return{text:Blockly.Msg.DUPLICATE_BLOCK,enabled:b,callback:function(){Blockly.duplicate_(a)}}};Blockly.ContextMenu.blockCommentOption=function(a){var b={enabled:!goog.userAgent.IE};a.comment?(b.text=Blockly.Msg.REMOVE_COMMENT,b.callback=function(){a.setCommentText(null)}):(b.text=Blockly.Msg.ADD_COMMENT,b.callback=function(){a.setCommentText("")});return b};
 Blockly.ContextMenu.commentDeleteOption=function(a){return{text:Blockly.Msg.REMOVE_COMMENT,enabled:!0,callback:function(){Blockly.Events.setGroup(!0);a.dispose(!0,!0);Blockly.Events.setGroup(!1)}}};Blockly.ContextMenu.commentDuplicateOption=function(a){return{text:Blockly.Msg.DUPLICATE_COMMENT,enabled:!0,callback:function(){Blockly.duplicate_(a)}}};
 Blockly.ContextMenu.workspaceCommentOption=function(a,b){var c={enabled:!goog.userAgent.IE};c.text=Blockly.Msg.ADD_COMMENT;c.callback=function(){var c=new Blockly.WorkspaceCommentSvg(a,Blockly.Msg.WORKSPACE_COMMENT_DEFAULT_TEXT,Blockly.WorkspaceCommentSvg.DEFAULT_SIZE,Blockly.WorkspaceCommentSvg.DEFAULT_SIZE),e=a.getInjectionDiv().getBoundingClientRect();e=new goog.math.Coordinate(b.clientX-e.left,b.clientY-e.top);var f=a.getOriginOffsetInPixels();e=goog.math.Coordinate.difference(e,f).scale(1/a.scale);
 c.moveBy(e.x,e.y);a.rendered&&(c.initSvg(),c.render(!1),c.select())};return c};Blockly.BlockSvg=function(a,b,c){this.svgGroup_=Blockly.utils.createSvgElement("g",{},null);this.svgGroup_.translate_="";this.svgPathDark_=Blockly.utils.createSvgElement("path",{"class":"blocklyPathDark",transform:"translate(1,1)"},this.svgGroup_);this.svgPath_=Blockly.utils.createSvgElement("path",{"class":"blocklyPath"},this.svgGroup_);this.svgPathLight_=Blockly.utils.createSvgElement("path",{"class":"blocklyPathLight"},this.svgGroup_);this.svgPath_.tooltip=this;this.rendered=!1;this.useDragSurface_=
 Blockly.utils.is3dSupported()&&!!a.blockDragSurface_;Blockly.Tooltip.bindMouseEvents(this.svgPath_);Blockly.BlockSvg.superClass_.constructor.call(this,a,b,c);this.svgGroup_.dataset&&(this.svgGroup_.dataset.id=this.id)};goog.inherits(Blockly.BlockSvg,Blockly.Block);Blockly.BlockSvg.prototype.height=0;Blockly.BlockSvg.prototype.width=0;Blockly.BlockSvg.prototype.dragStartXY_=null;Blockly.BlockSvg.prototype.warningTextDb_=null;Blockly.BlockSvg.INLINE=-1;
-Blockly.BlockSvg.prototype.initSvg=function(){goog.asserts.assert(this.workspace.rendered,"Workspace is headless.");for(var a=0,b;b=this.inputList[a];a++)b.init();b=this.getIcons();for(a=0;a<b.length;a++)b[a].createIcon();this.updateColour();this.updateMovable();this.workspace.options.readOnly||this.eventsInit_||Blockly.bindEventWithChecks_(this.getSvgRoot(),"mousedown",this,this.onMouseDown_);this.eventsInit_=!0;this.getSvgRoot().parentNode||this.workspace.getCanvas().appendChild(this.getSvgRoot())};
+Blockly.BlockSvg.prototype.initSvg=function(){if(!this.workspace.rendered)throw TypeError("Workspace is headless.");for(var a=0,b;b=this.inputList[a];a++)b.init();b=this.getIcons();for(a=0;a<b.length;a++)b[a].createIcon();this.updateColour();this.updateMovable();this.workspace.options.readOnly||this.eventsInit_||Blockly.bindEventWithChecks_(this.getSvgRoot(),"mousedown",this,this.onMouseDown_);this.eventsInit_=!0;this.getSvgRoot().parentNode||this.workspace.getCanvas().appendChild(this.getSvgRoot())};
 Blockly.BlockSvg.prototype.select=function(){if(this.isShadow()&&this.getParent())this.getParent().select();else if(Blockly.selected!=this){var a=null;if(Blockly.selected){a=Blockly.selected.id;Blockly.Events.disable();try{Blockly.selected.unselect()}finally{Blockly.Events.enable()}}a=new Blockly.Events.Ui(null,"selected",a,this.id);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=this;this.addSelect()}};
 Blockly.BlockSvg.prototype.unselect=function(){if(Blockly.selected==this){var a=new Blockly.Events.Ui(null,"selected",this.id,null);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=null;this.removeSelect()}};Blockly.BlockSvg.prototype.mutator=null;Blockly.BlockSvg.prototype.comment=null;Blockly.BlockSvg.prototype.warning=null;
 Blockly.BlockSvg.prototype.getIcons=function(){var a=[];this.mutator&&a.push(this.mutator);this.comment&&a.push(this.comment);this.warning&&a.push(this.warning);return a};
 Blockly.BlockSvg.prototype.setParent=function(a){var b=this.parentBlock_;if(a!=b){Blockly.Field.startCache();Blockly.BlockSvg.superClass_.setParent.call(this,a);Blockly.Field.stopCache();var c=this.getSvgRoot();if(!this.workspace.isClearing&&c){var d=this.getRelativeToSurfaceXY();a?(a.getSvgRoot().appendChild(c),a=this.getRelativeToSurfaceXY(),this.moveConnections_(a.x-d.x,a.y-d.y)):b&&(this.workspace.getCanvas().appendChild(c),this.translate(d.x,d.y))}}};
 Blockly.BlockSvg.prototype.getRelativeToSurfaceXY=function(){var a=0,b=0,c=this.useDragSurface_?this.workspace.blockDragSurface_.getGroup():null,d=this.getSvgRoot();if(d){do{var e=Blockly.utils.getRelativeXY(d);a+=e.x;b+=e.y;this.useDragSurface_&&this.workspace.blockDragSurface_.getCurrentBlock()==d&&(e=this.workspace.blockDragSurface_.getSurfaceTranslation(),a+=e.x,b+=e.y);d=d.parentNode}while(d&&d!=this.workspace.getCanvas()&&d!=c)}return new goog.math.Coordinate(a,b)};
-Blockly.BlockSvg.prototype.moveBy=function(a,b){goog.asserts.assert(!this.parentBlock_,"Block has parent.");var c=Blockly.Events.isEnabled();if(c)var d=new Blockly.Events.BlockMove(this);var e=this.getRelativeToSurfaceXY();this.translate(e.x+a,e.y+b);this.moveConnections_(a,b);c&&(d.recordNew(),Blockly.Events.fire(d));this.workspace.resizeContents()};Blockly.BlockSvg.prototype.translate=function(a,b){this.getSvgRoot().setAttribute("transform","translate("+a+","+b+")")};
+Blockly.BlockSvg.prototype.moveBy=function(a,b){if(this.parentBlock_)throw Error("Block has parent.");var c=Blockly.Events.isEnabled();if(c)var d=new Blockly.Events.BlockMove(this);var e=this.getRelativeToSurfaceXY();this.translate(e.x+a,e.y+b);this.moveConnections_(a,b);c&&(d.recordNew(),Blockly.Events.fire(d));this.workspace.resizeContents()};Blockly.BlockSvg.prototype.translate=function(a,b){this.getSvgRoot().setAttribute("transform","translate("+a+","+b+")")};
 Blockly.BlockSvg.prototype.moveToDragSurface_=function(){if(this.useDragSurface_){var a=this.getRelativeToSurfaceXY();this.clearTransformAttributes_();this.workspace.blockDragSurface_.translateSurface(a.x,a.y);this.workspace.blockDragSurface_.setBlocksAndShow(this.getSvgRoot())}};Blockly.BlockSvg.prototype.moveOffDragSurface_=function(a){this.useDragSurface_&&(this.translate(a.x,a.y),this.workspace.blockDragSurface_.clearAndHide(this.workspace.getCanvas()))};
 Blockly.BlockSvg.prototype.moveDuringDrag=function(a){this.useDragSurface_?this.workspace.blockDragSurface_.translateSurface(a.x,a.y):(this.svgGroup_.translate_="translate("+a.x+","+a.y+")",this.svgGroup_.setAttribute("transform",this.svgGroup_.translate_+this.svgGroup_.skew_))};Blockly.BlockSvg.prototype.clearTransformAttributes_=function(){Blockly.utils.removeAttribute(this.getSvgRoot(),"transform")};
 Blockly.BlockSvg.prototype.snapToGrid=function(){if(this.workspace&&!this.workspace.isDragging()&&!this.getParent()&&!this.isInFlyout){var a=this.workspace.getGrid();if(a&&a.shouldSnap()){var b=a.getSpacing(),c=b/2,d=this.getRelativeToSurfaceXY();a=Math.round((d.x-c)/b)*b+c-d.x;b=Math.round((d.y-c)/b)*b+c-d.y;a=Math.round(a);b=Math.round(b);0==a&&0==b||this.moveBy(a,b)}}};
 Blockly.BlockSvg.prototype.getBoundingRectangle=function(){var a=this.getRelativeToSurfaceXY(this),b=this.outputConnection?Blockly.BlockSvg.TAB_WIDTH:0,c=this.getHeightWidth();if(this.RTL){var d=new goog.math.Coordinate(a.x-(c.width-b),a.y);a=new goog.math.Coordinate(a.x+b,a.y+c.height)}else d=new goog.math.Coordinate(a.x-b,a.y),a=new goog.math.Coordinate(a.x+c.width-b,a.y+c.height);return{topLeft:d,bottomRight:a}};
 Blockly.BlockSvg.prototype.setCollapsed=function(a){if(this.collapsed_!=a){for(var b=[],c=0,d;d=this.inputList[c];c++)b.push.apply(b,d.setVisible(!a));if(a){d=this.getIcons();for(c=0;c<d.length;c++)d[c].setVisible(!1);c=this.toString(Blockly.COLLAPSE_CHARS);this.appendDummyInput("_TEMP_COLLAPSED_INPUT").appendField(c).init()}else this.removeInput("_TEMP_COLLAPSED_INPUT"),this.setWarningText(null);Blockly.BlockSvg.superClass_.setCollapsed.call(this,a);b.length||(b[0]=this);if(this.rendered)for(c=0;a=
 b[c];c++)a.render()}};Blockly.BlockSvg.prototype.tab=function(a,b){var c=this.createTabList_();a=c.indexOf(a);-1==a&&(a=b?-1:c.length);(c=c[b?a+1:a-1])?c instanceof Blockly.Field?c.showEditor_():c.tab(null,b):(c=this.getParent())&&c.tab(this,b)};Blockly.BlockSvg.prototype.createTabList_=function(){for(var a=[],b=0,c;c=this.inputList[b];b++){for(var d=0,e;e=c.fieldRow[d];d++)e instanceof Blockly.FieldTextInput&&a.push(e);c.connection&&(c=c.connection.targetBlock())&&a.push(c)}return a};
-Blockly.BlockSvg.prototype.onMouseDown_=function(a){var b=this.workspace&&this.workspace.getGesture(a);b&&b.handleBlockStart(a,this)};Blockly.BlockSvg.prototype.showHelp_=function(){var a=goog.isFunction(this.helpUrl)?this.helpUrl():this.helpUrl;a&&window.open(a)};
+Blockly.BlockSvg.prototype.onMouseDown_=function(a){var b=this.workspace&&this.workspace.getGesture(a);b&&b.handleBlockStart(a,this)};Blockly.BlockSvg.prototype.showHelp_=function(){var a="function"==typeof this.helpUrl?this.helpUrl():this.helpUrl;a&&window.open(a)};
 Blockly.BlockSvg.prototype.showContextMenu_=function(a){if(!this.workspace.options.readOnly&&this.contextMenu){var b=this,c=[];if(this.isDeletable()&&this.isMovable()&&!b.isInFlyout){c.push(Blockly.ContextMenu.blockDuplicateOption(b));this.isEditable()&&!this.collapsed_&&this.workspace.options.comments&&c.push(Blockly.ContextMenu.blockCommentOption(b));if(!this.collapsed_)for(var d=1;d<this.inputList.length;d++)if(this.inputList[d-1].type!=Blockly.NEXT_STATEMENT&&this.inputList[d].type!=Blockly.NEXT_STATEMENT){d=
 {enabled:!0};var e=this.getInputsInline();d.text=e?Blockly.Msg.EXTERNAL_INPUTS:Blockly.Msg.INLINE_INPUTS;d.callback=function(){b.setInputsInline(!e)};c.push(d);break}this.workspace.options.collapse&&(this.collapsed_?(d={enabled:!0},d.text=Blockly.Msg.EXPAND_BLOCK,d.callback=function(){b.setCollapsed(!1)},c.push(d)):(d={enabled:!0},d.text=Blockly.Msg.COLLAPSE_BLOCK,d.callback=function(){b.setCollapsed(!0)},c.push(d)));this.workspace.options.disable&&(d={text:this.disabled?Blockly.Msg.ENABLE_BLOCK:
-Blockly.Msg.DISABLE_BLOCK,enabled:!this.getInheritedDisabled(),callback:function(){b.setDisabled(!b.disabled)}},c.push(d));c.push(Blockly.ContextMenu.blockDeleteOption(b))}c.push(Blockly.ContextMenu.blockHelpOption(b));this.customContextMenu&&this.customContextMenu(c);Blockly.ContextMenu.show(a,c,this.RTL);Blockly.ContextMenu.currentBlock=this}};
+Blockly.Msg.DISABLE_BLOCK,enabled:!this.getInheritedDisabled(),callback:function(){var a=Blockly.Events.getGroup();a||Blockly.Events.setGroup(!0);b.setDisabled(!b.disabled);a||Blockly.Events.setGroup(!1)}},c.push(d));c.push(Blockly.ContextMenu.blockDeleteOption(b))}c.push(Blockly.ContextMenu.blockHelpOption(b));this.customContextMenu&&this.customContextMenu(c);Blockly.ContextMenu.show(a,c,this.RTL);Blockly.ContextMenu.currentBlock=this}};
 Blockly.BlockSvg.prototype.moveConnections_=function(a,b){if(this.rendered){for(var c=this.getConnections_(!1),d=0;d<c.length;d++)c[d].moveBy(a,b);c=this.getIcons();for(d=0;d<c.length;d++)c[d].computeIconLocation();for(d=0;d<this.childBlocks_.length;d++)this.childBlocks_[d].moveConnections_(a,b)}};
 Blockly.BlockSvg.prototype.setDragging=function(a){if(a){var b=this.getSvgRoot();b.translate_="";b.skew_="";Blockly.draggingConnections_=Blockly.draggingConnections_.concat(this.getConnections_(!0));Blockly.utils.addClass(this.svgGroup_,"blocklyDragging")}else Blockly.draggingConnections_=[],Blockly.utils.removeClass(this.svgGroup_,"blocklyDragging");for(b=0;b<this.childBlocks_.length;b++)this.childBlocks_[b].setDragging(a)};
 Blockly.BlockSvg.prototype.updateMovable=function(){this.isMovable()?Blockly.utils.addClass(this.svgGroup_,"blocklyDraggable"):Blockly.utils.removeClass(this.svgGroup_,"blocklyDraggable")};Blockly.BlockSvg.prototype.setMovable=function(a){Blockly.BlockSvg.superClass_.setMovable.call(this,a);this.updateMovable()};Blockly.BlockSvg.prototype.setEditable=function(a){Blockly.BlockSvg.superClass_.setEditable.call(this,a);a=this.getIcons();for(var b=0;b<a.length;b++)a[b].updateEditable()};
 Blockly.BlockSvg.prototype.setShadow=function(a){Blockly.BlockSvg.superClass_.setShadow.call(this,a);this.updateColour()};Blockly.BlockSvg.prototype.getSvgRoot=function(){return this.svgGroup_};
 Blockly.BlockSvg.prototype.dispose=function(a,b){if(this.workspace){Blockly.Tooltip.hide();Blockly.Field.startCache();var c=this.workspace;Blockly.selected==this&&(this.unselect(),this.workspace.cancelCurrentGesture());Blockly.ContextMenu.currentBlock==this&&Blockly.ContextMenu.hide();b&&this.rendered&&(this.unplug(a),Blockly.BlockAnimations.disposeUiEffect(this));this.rendered=!1;if(this.warningTextDb_){for(var d in this.warningTextDb_)clearTimeout(this.warningTextDb_[d]);this.warningTextDb_=null}Blockly.Events.disable();
-try{var e=this.getIcons();for(b=0;b<e.length;b++)e[b].dispose()}finally{Blockly.Events.enable()}Blockly.BlockSvg.superClass_.dispose.call(this,a);goog.dom.removeNode(this.svgGroup_);c.resizeContents();this.svgPathDark_=this.svgPathLight_=this.svgPath_=this.svgGroup_=null;Blockly.Field.stopCache()}};
+try{var e=this.getIcons();for(b=0;b<e.length;b++)e[b].dispose()}finally{Blockly.Events.enable()}Blockly.BlockSvg.superClass_.dispose.call(this,a);this.svgGroup_.parentNode.removeChild(this.svgGroup_);c.resizeContents();this.svgPathDark_=this.svgPathLight_=this.svgPath_=this.svgGroup_=null;Blockly.Field.stopCache()}};
 Blockly.BlockSvg.prototype.updateColour=function(){if(!this.disabled){var a=this.getColour(),b=goog.color.hexToRgb(a);if(this.isShadow())b=goog.color.lighten(b,.6),a=goog.color.rgbArrayToHex(b),this.svgPathLight_.style.display="none",this.svgPathDark_.setAttribute("fill",a);else{this.svgPathLight_.style.display="";var c=goog.color.rgbArrayToHex(goog.color.lighten(b,.3));b=goog.color.rgbArrayToHex(goog.color.darken(b,.2));this.svgPathLight_.setAttribute("stroke",c);this.svgPathDark_.setAttribute("fill",
 b)}this.svgPath_.setAttribute("fill",a);a=this.getIcons();for(c=0;c<a.length;c++)a[c].updateColour();for(a=0;c=this.inputList[a];a++){b=0;for(var d;d=c.fieldRow[b];b++)d.forceRerender()}}};
 Blockly.BlockSvg.prototype.updateDisabled=function(){this.disabled||this.getInheritedDisabled()?Blockly.utils.addClass(this.svgGroup_,"blocklyDisabled")&&this.svgPath_.setAttribute("fill","url(#"+this.workspace.options.disabledPatternId+")"):Blockly.utils.removeClass(this.svgGroup_,"blocklyDisabled")&&this.updateColour();for(var a=this.getChildren(!1),b=0,c;c=a[b];b++)c.updateDisabled()};
-Blockly.BlockSvg.prototype.getCommentText=function(){return this.comment?this.comment.getText().replace(/\s+$/,"").replace(/ +\n/g,"\n"):""};Blockly.BlockSvg.prototype.setCommentText=function(a){var b=!1;goog.isString(a)?(this.comment||(this.comment=new Blockly.Comment(this),b=!0),this.comment.setText(a)):this.comment&&(this.comment.dispose(),b=!0);b&&this.rendered&&(this.render(),this.bumpNeighbours_())};
+Blockly.BlockSvg.prototype.getCommentText=function(){return this.comment?this.comment.getText().replace(/\s+$/,"").replace(/ +\n/g,"\n"):""};Blockly.BlockSvg.prototype.setCommentText=function(a){var b=!1;"string"==typeof a?(this.comment||(this.comment=new Blockly.Comment(this),b=!0),this.comment.setText(a)):this.comment&&(this.comment.dispose(),b=!0);b&&this.rendered&&(this.render(),this.bumpNeighbours_())};
 Blockly.BlockSvg.prototype.setWarningText=function(a,b){this.warningTextDb_||(this.warningTextDb_=Object.create(null));var c=b||"";if(c)this.warningTextDb_[c]&&(clearTimeout(this.warningTextDb_[c]),delete this.warningTextDb_[c]);else for(var d in this.warningTextDb_)clearTimeout(this.warningTextDb_[d]),delete this.warningTextDb_[d];if(this.workspace.isDragging()){var e=this;this.warningTextDb_[c]=setTimeout(function(){e.workspace&&(delete e.warningTextDb_[c],e.setWarningText(a,c))},100)}else{this.isInFlyout&&
-(a=null);b=this.getSurroundParent();for(d=null;b;)b.isCollapsed()&&(d=b),b=b.getSurroundParent();d&&d.setWarningText(a,"collapsed "+this.id+" "+c);b=!1;goog.isString(a)?(this.warning||(this.warning=new Blockly.Warning(this),b=!0),this.warning.setText(a,c)):this.warning&&!c?(this.warning.dispose(),b=!0):this.warning&&(b=this.warning.getText(),this.warning.setText("",c),(d=this.warning.getText())||this.warning.dispose(),b=b!=d);b&&this.rendered&&(this.render(),this.bumpNeighbours_())}};
+(a=null);b=this.getSurroundParent();for(d=null;b;)b.isCollapsed()&&(d=b),b=b.getSurroundParent();d&&d.setWarningText(a,"collapsed "+this.id+" "+c);b=!1;"string"==typeof a?(this.warning||(this.warning=new Blockly.Warning(this),b=!0),this.warning.setText(a,c)):this.warning&&!c?(this.warning.dispose(),b=!0):this.warning&&(b=this.warning.getText(),this.warning.setText("",c),(d=this.warning.getText())||this.warning.dispose(),b=b!=d);b&&this.rendered&&(this.render(),this.bumpNeighbours_())}};
 Blockly.BlockSvg.prototype.setMutator=function(a){this.mutator&&this.mutator!==a&&this.mutator.dispose();a&&(a.block_=this,this.mutator=a,a.createIcon())};Blockly.BlockSvg.prototype.setDisabled=function(a){this.disabled!=a&&(Blockly.BlockSvg.superClass_.setDisabled.call(this,a),this.rendered&&this.updateDisabled())};
 Blockly.BlockSvg.prototype.setHighlighted=function(a){this.rendered&&(a?(this.svgPath_.setAttribute("filter","url(#"+this.workspace.options.embossFilterId+")"),this.svgPathLight_.style.display="none"):(Blockly.utils.removeAttribute(this.svgPath_,"filter"),delete this.svgPathLight_.style.display))};Blockly.BlockSvg.prototype.addSelect=function(){Blockly.utils.addClass(this.svgGroup_,"blocklySelected")};Blockly.BlockSvg.prototype.removeSelect=function(){Blockly.utils.removeClass(this.svgGroup_,"blocklySelected")};
 Blockly.BlockSvg.prototype.setDeleteStyle=function(a){a?Blockly.utils.addClass(this.svgGroup_,"blocklyDraggingDelete"):Blockly.utils.removeClass(this.svgGroup_,"blocklyDraggingDelete")};Blockly.BlockSvg.prototype.setColour=function(a){Blockly.BlockSvg.superClass_.setColour.call(this,a);this.rendered&&this.updateColour()};Blockly.BlockSvg.prototype.bringToFront=function(){var a=this;do{var b=a.getSvgRoot();b.parentNode.appendChild(b);a=a.getParent()}while(a)};
@@ -1535,12 +1487,12 @@ this.RTL&&a.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),c.y+=Blockly.BlockSvg.SEP_S
 Blockly.FieldTextInput.prototype.spellcheck_=!0;Blockly.FieldTextInput.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldTextInput.superClass_.dispose.call(this)};Blockly.FieldTextInput.prototype.setValue=function(a){if(null!==a){if(this.sourceBlock_){var b=this.callValidator(a);null!==b&&(a=b)}Blockly.Field.prototype.setValue.call(this,a)}};
 Blockly.FieldTextInput.prototype.setText=function(a){null!==a&&(a=String(a),a!==this.text_&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.text_,a)),Blockly.Field.prototype.setText.call(this,a)))};Blockly.FieldTextInput.prototype.setSpellcheck=function(a){this.spellcheck_=a};
 Blockly.FieldTextInput.prototype.showEditor_=function(a){this.workspace_=this.sourceBlock_.workspace;a=a||!1;!a&&(goog.userAgent.MOBILE||goog.userAgent.ANDROID||goog.userAgent.IPAD)?this.showPromptEditor_():this.showInlineEditor_(a)};Blockly.FieldTextInput.prototype.showPromptEditor_=function(){var a=this;Blockly.prompt(Blockly.Msg.CHANGE_VALUE_TITLE,this.text_,function(b){a.sourceBlock_&&(b=a.callValidator(b));a.setValue(b)})};
-Blockly.FieldTextInput.prototype.showInlineEditor_=function(a){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_());var b=Blockly.WidgetDiv.DIV,c=goog.dom.createDom("INPUT","blocklyHtmlInput");c.setAttribute("spellcheck",this.spellcheck_);var d=Blockly.FieldTextInput.FONTSIZE*this.workspace_.scale+"pt";b.style.fontSize=d;c.style.fontSize=d;Blockly.FieldTextInput.htmlInput_=c;b.appendChild(c);c.value=c.defaultValue=this.text_;c.oldValue_=null;this.validate_();this.resizeEditor_();
+Blockly.FieldTextInput.prototype.showInlineEditor_=function(a){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_());var b=Blockly.WidgetDiv.DIV,c=document.createElement("input");c.className="blocklyHtmlInput";c.setAttribute("spellcheck",this.spellcheck_);var d=Blockly.FieldTextInput.FONTSIZE*this.workspace_.scale+"pt";b.style.fontSize=d;c.style.fontSize=d;Blockly.FieldTextInput.htmlInput_=c;b.appendChild(c);c.value=c.defaultValue=this.text_;c.oldValue_=null;this.validate_();this.resizeEditor_();
 a||(c.focus(),c.select());this.bindEvents_(c)};Blockly.FieldTextInput.prototype.bindEvents_=function(a){a.onKeyDownWrapper_=Blockly.bindEventWithChecks_(a,"keydown",this,this.onHtmlInputKeyDown_);a.onKeyUpWrapper_=Blockly.bindEventWithChecks_(a,"keyup",this,this.onHtmlInputChange_);a.onKeyPressWrapper_=Blockly.bindEventWithChecks_(a,"keypress",this,this.onHtmlInputChange_);a.onWorkspaceChangeWrapper_=this.resizeEditor_.bind(this);this.workspace_.addChangeListener(a.onWorkspaceChangeWrapper_)};
 Blockly.FieldTextInput.prototype.unbindEvents_=function(a){Blockly.unbindEvent_(a.onKeyDownWrapper_);Blockly.unbindEvent_(a.onKeyUpWrapper_);Blockly.unbindEvent_(a.onKeyPressWrapper_);this.workspace_.removeChangeListener(a.onWorkspaceChangeWrapper_)};
 Blockly.FieldTextInput.prototype.onHtmlInputKeyDown_=function(a){var b=Blockly.FieldTextInput.htmlInput_;13==a.keyCode?Blockly.WidgetDiv.hide():27==a.keyCode?(b.value=b.defaultValue,Blockly.WidgetDiv.hide()):9==a.keyCode&&(Blockly.WidgetDiv.hide(),this.sourceBlock_.tab(this,!a.shiftKey),a.preventDefault())};
 Blockly.FieldTextInput.prototype.onHtmlInputChange_=function(a){a=Blockly.FieldTextInput.htmlInput_;var b=a.value;b!==a.oldValue_?(a.oldValue_=b,this.setValue(b),this.validate_()):goog.userAgent.WEBKIT&&this.sourceBlock_.render();this.resizeEditor_();Blockly.svgResize(this.sourceBlock_.workspace)};
-Blockly.FieldTextInput.prototype.validate_=function(){var a=!0;goog.asserts.assertObject(Blockly.FieldTextInput.htmlInput_);var b=Blockly.FieldTextInput.htmlInput_;this.sourceBlock_&&(a=this.callValidator(b.value));null===a?Blockly.utils.addClass(b,"blocklyInvalidInput"):Blockly.utils.removeClass(b,"blocklyInvalidInput")};
+Blockly.FieldTextInput.prototype.validate_=function(){var a=!0;if(!Blockly.FieldTextInput.htmlInput_)throw Error("htmlInput not defined");var b=Blockly.FieldTextInput.htmlInput_;this.sourceBlock_&&(a=this.callValidator(b.value));null===a?Blockly.utils.addClass(b,"blocklyInvalidInput"):Blockly.utils.removeClass(b,"blocklyInvalidInput")};
 Blockly.FieldTextInput.prototype.resizeEditor_=function(){var a=Blockly.WidgetDiv.DIV,b=this.getScaledBBox_();a.style.width=b.right-b.left+"px";a.style.height=b.bottom-b.top+"px";b=new goog.math.Coordinate(this.sourceBlock_.RTL?b.right-a.offsetWidth:b.left,b.top);b.y+=1;goog.userAgent.GECKO&&Blockly.WidgetDiv.DIV.style.top&&(--b.x,--b.y);goog.userAgent.WEBKIT&&(b.y-=3);a.style.left=b.x+"px";a.style.top=b.y+"px"};
 Blockly.FieldTextInput.prototype.widgetDispose_=function(){var a=this;return function(){var b=Blockly.FieldTextInput.htmlInput_;a.maybeSaveEdit_();a.unbindEvents_(b);Blockly.FieldTextInput.htmlInput_=null;Blockly.Events.setGroup(!1);b=Blockly.WidgetDiv.DIV.style;b.width="auto";b.height="auto";b.fontSize=""}};
 Blockly.FieldTextInput.prototype.maybeSaveEdit_=function(){var a=Blockly.FieldTextInput.htmlInput_,b=a.value;if(this.sourceBlock_)if(b=this.callValidator(b),null===b)b=a.defaultValue;else if(this.onFinishEditing_)this.onFinishEditing_(b);this.setText(b);this.sourceBlock_.rendered&&this.sourceBlock_.render()};
@@ -1550,20 +1502,21 @@ Blockly.FieldAngle.prototype.dispose_=function(){var a=this;return function(){Bl
 Blockly.FieldAngle.prototype.showEditor_=function(){Blockly.FieldAngle.superClass_.showEditor_.call(this,goog.userAgent.MOBILE||goog.userAgent.ANDROID||goog.userAgent.IPAD);var a=Blockly.WidgetDiv.DIV;if(a.firstChild){a=Blockly.utils.createSvgElement("svg",{xmlns:"http://www.w3.org/2000/svg","xmlns:html":"http://www.w3.org/1999/xhtml","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1",height:2*Blockly.FieldAngle.HALF+"px",width:2*Blockly.FieldAngle.HALF+"px"},a);var b=Blockly.utils.createSvgElement("circle",
 {cx:Blockly.FieldAngle.HALF,cy:Blockly.FieldAngle.HALF,r:Blockly.FieldAngle.RADIUS,"class":"blocklyAngleCircle"},a);this.gauge_=Blockly.utils.createSvgElement("path",{"class":"blocklyAngleGauge"},a);this.line_=Blockly.utils.createSvgElement("line",{x1:Blockly.FieldAngle.HALF,y1:Blockly.FieldAngle.HALF,"class":"blocklyAngleLine"},a);for(var c=0;360>c;c+=15)Blockly.utils.createSvgElement("line",{x1:Blockly.FieldAngle.HALF+Blockly.FieldAngle.RADIUS,y1:Blockly.FieldAngle.HALF,x2:Blockly.FieldAngle.HALF+
 Blockly.FieldAngle.RADIUS-(0==c%45?10:5),y2:Blockly.FieldAngle.HALF,"class":"blocklyAngleMarks",transform:"rotate("+c+","+Blockly.FieldAngle.HALF+","+Blockly.FieldAngle.HALF+")"},a);a.style.marginLeft=15-Blockly.FieldAngle.RADIUS+"px";this.clickWrapper_=Blockly.bindEvent_(a,"click",this,Blockly.WidgetDiv.hide);this.moveWrapper1_=Blockly.bindEvent_(b,"mousemove",this,this.onMouseMove);this.moveWrapper2_=Blockly.bindEvent_(this.gauge_,"mousemove",this,this.onMouseMove);this.updateGraph_()}};
-Blockly.FieldAngle.prototype.onMouseMove=function(a){var b=this.gauge_.ownerSVGElement.getBoundingClientRect(),c=a.clientX-b.left-Blockly.FieldAngle.HALF;a=a.clientY-b.top-Blockly.FieldAngle.HALF;b=Math.atan(-a/c);isNaN(b)||(b=goog.math.toDegrees(b),0>c?b+=180:0<a&&(b+=360),b=Blockly.FieldAngle.CLOCKWISE?Blockly.FieldAngle.OFFSET+360-b:b-Blockly.FieldAngle.OFFSET,Blockly.FieldAngle.ROUND&&(b=Math.round(b/Blockly.FieldAngle.ROUND)*Blockly.FieldAngle.ROUND),b=this.callValidator(b),Blockly.FieldTextInput.htmlInput_.value=
+Blockly.FieldAngle.prototype.onMouseMove=function(a){var b=this.gauge_.ownerSVGElement.getBoundingClientRect(),c=a.clientX-b.left-Blockly.FieldAngle.HALF;a=a.clientY-b.top-Blockly.FieldAngle.HALF;b=Math.atan(-a/c);isNaN(b)||(b=Blockly.utils.toDegrees(b),0>c?b+=180:0<a&&(b+=360),b=Blockly.FieldAngle.CLOCKWISE?Blockly.FieldAngle.OFFSET+360-b:b-Blockly.FieldAngle.OFFSET,Blockly.FieldAngle.ROUND&&(b=Math.round(b/Blockly.FieldAngle.ROUND)*Blockly.FieldAngle.ROUND),b=this.callValidator(b),Blockly.FieldTextInput.htmlInput_.value=
 b,this.setValue(b),this.validate_(),this.resizeEditor_())};Blockly.FieldAngle.prototype.setText=function(a){Blockly.FieldAngle.superClass_.setText.call(this,a);this.textElement_&&(this.updateGraph_(),this.size_.width=0)};
-Blockly.FieldAngle.prototype.updateGraph_=function(){if(this.gauge_){var a=Number(this.getText())+Blockly.FieldAngle.OFFSET,b=goog.math.toRadians(a);a=["M ",Blockly.FieldAngle.HALF,",",Blockly.FieldAngle.HALF];var c=Blockly.FieldAngle.HALF,d=Blockly.FieldAngle.HALF;if(!isNaN(b)){var e=goog.math.toRadians(Blockly.FieldAngle.OFFSET),f=Math.cos(e)*Blockly.FieldAngle.RADIUS,g=Math.sin(e)*-Blockly.FieldAngle.RADIUS;Blockly.FieldAngle.CLOCKWISE&&(b=2*e-b);c+=Math.cos(b)*Blockly.FieldAngle.RADIUS;d-=Math.sin(b)*
-Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-e)/Math.PI)%2);Blockly.FieldAngle.CLOCKWISE&&(b=1-b);a.push(" l ",f,",",g," A ",Blockly.FieldAngle.RADIUS,",",Blockly.FieldAngle.RADIUS," 0 ",b," ",Number(Blockly.FieldAngle.CLOCKWISE)," ",c,",",d," z")}this.gauge_.setAttribute("d",a.join(""));this.line_.setAttribute("x2",c);this.line_.setAttribute("y2",d)}};
+Blockly.FieldAngle.prototype.updateGraph_=function(){if(this.gauge_){var a=Number(this.getText())+Blockly.FieldAngle.OFFSET,b=Blockly.utils.toRadians(a);a=["M ",Blockly.FieldAngle.HALF,",",Blockly.FieldAngle.HALF];var c=Blockly.FieldAngle.HALF,d=Blockly.FieldAngle.HALF;if(!isNaN(b)){var e=Blockly.utils.toRadians(Blockly.FieldAngle.OFFSET),f=Math.cos(e)*Blockly.FieldAngle.RADIUS,g=Math.sin(e)*-Blockly.FieldAngle.RADIUS;Blockly.FieldAngle.CLOCKWISE&&(b=2*e-b);c+=Math.cos(b)*Blockly.FieldAngle.RADIUS;
+d-=Math.sin(b)*Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-e)/Math.PI)%2);Blockly.FieldAngle.CLOCKWISE&&(b=1-b);a.push(" l ",f,",",g," A ",Blockly.FieldAngle.RADIUS,",",Blockly.FieldAngle.RADIUS," 0 ",b," ",Number(Blockly.FieldAngle.CLOCKWISE)," ",c,",",d," z")}this.gauge_.setAttribute("d",a.join(""));this.line_.setAttribute("x2",c);this.line_.setAttribute("y2",d)}};
 Blockly.FieldAngle.prototype.classValidator=function(a){if(null===a)return null;a=parseFloat(a||0);if(isNaN(a))return null;a%=360;0>a&&(a+=360);a>Blockly.FieldAngle.WRAP&&(a-=360);return String(a)};Blockly.Field.register("field_angle",Blockly.FieldAngle);Blockly.FieldCheckbox=function(a,b){Blockly.FieldCheckbox.superClass_.constructor.call(this,"",b);this.setValue(a)};goog.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.fromJson=function(a){return new Blockly.FieldCheckbox(a.checked?"TRUE":"FALSE")};Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.prototype.CURSOR="default";
 Blockly.FieldCheckbox.prototype.init=function(){if(!this.fieldGroup_){Blockly.FieldCheckbox.superClass_.init.call(this);this.checkElement_=Blockly.utils.createSvgElement("text",{"class":"blocklyText blocklyCheckbox",x:-3,y:14},this.fieldGroup_);var a=document.createTextNode(Blockly.FieldCheckbox.CHECK_CHAR);this.checkElement_.appendChild(a);this.checkElement_.style.display=this.state_?"block":"none"}};Blockly.FieldCheckbox.prototype.getValue=function(){return String(this.state_).toUpperCase()};
 Blockly.FieldCheckbox.prototype.setValue=function(a){a="string"==typeof a?"TRUE"==a.toUpperCase():!!a;this.state_!==a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.state_,a)),this.state_=a,this.checkElement_&&(this.checkElement_.style.display=a?"block":"none"))};Blockly.FieldCheckbox.prototype.showEditor_=function(){var a=!this.state_;this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(String(a).toUpperCase())};
-Blockly.Field.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b){Blockly.FieldColour.superClass_.constructor.call(this,a,b);this.setText(Blockly.Field.NBSP+Blockly.Field.NBSP+Blockly.Field.NBSP)};goog.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour)};Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.columns_=0;
+Blockly.Field.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b){Blockly.FieldColour.superClass_.constructor.call(this,a,b);this.setText(Blockly.Field.NBSP+Blockly.Field.NBSP+Blockly.Field.NBSP)};goog.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour)};Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.titles_=null;Blockly.FieldColour.prototype.columns_=0;
 Blockly.FieldColour.prototype.init=function(){Blockly.FieldColour.superClass_.init.call(this);this.borderRect_.style.fillOpacity=1;this.setValue(this.getValue())};Blockly.FieldColour.prototype.CURSOR="default";Blockly.FieldColour.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldColour.superClass_.dispose.call(this)};Blockly.FieldColour.prototype.getValue=function(){return this.colour_};
-Blockly.FieldColour.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&this.colour_!=a&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.colour_,a));this.colour_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};Blockly.FieldColour.prototype.getText=function(){var a=this.colour_,b=a.match(/^#(.)\1(.)\2(.)\3$/);b&&(a="#"+b[1]+b[2]+b[3]);return a};Blockly.FieldColour.COLOURS=goog.ui.ColorPicker.SIMPLE_GRID_COLORS;
-Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a){this.colours_=a;return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
-Blockly.FieldColour.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,Blockly.FieldColour.widgetDispose_);var a=Blockly.utils.getViewportBBox(),b=this.getScaledBBox_(),c=this.createWidget_(),d=goog.style.getSize(c.getElement());Blockly.WidgetDiv.positionWithAnchor(a,b,d,this.sourceBlock_.RTL);var e=this;Blockly.FieldColour.changeEventKey_=goog.events.listen(c,goog.ui.ColorPicker.EventType.CHANGE,function(a){a=a.target.getSelectedColor()||"#000000";Blockly.WidgetDiv.hide();
-e.sourceBlock_&&(a=e.callValidator(a));null!==a&&e.setValue(a)})};Blockly.FieldColour.prototype.createWidget_=function(){var a=new goog.ui.ColorPicker;a.setSize(this.columns_||Blockly.FieldColour.COLUMNS);a.setColors(this.colours_||Blockly.FieldColour.COLOURS);a.render(Blockly.WidgetDiv.DIV);a.setSelectedColor(this.getValue());return a};Blockly.FieldColour.widgetDispose_=function(){Blockly.FieldColour.changeEventKey_&&goog.events.unlistenByKey(Blockly.FieldColour.changeEventKey_);Blockly.Events.setGroup(!1)};
-Blockly.Field.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b){goog.isFunction(a)||Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.trimOptions_();a=this.getOptions()[0];Blockly.FieldDropdown.superClass_.constructor.call(this,a[1],b)};goog.inherits(Blockly.FieldDropdown,Blockly.Field);Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options)};Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;
+Blockly.FieldColour.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&this.colour_!=a&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.colour_,a));this.colour_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};Blockly.FieldColour.prototype.getText=function(){var a=this.colour_,b=a.match(/^#(.)\1(.)\2(.)\3$/);b&&(a="#"+b[1]+b[2]+b[3]);return a};Blockly.FieldColour.COLOURS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
+Blockly.FieldColour.TITLES=[];Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a,b){this.colours_=a;void 0!==b&&(this.titles_=b);return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
+Blockly.FieldColour.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,Blockly.FieldColour.widgetDispose_);var a=Blockly.utils.getViewportBBox(),b=this.getScaledBBox_(),c=this.createWidget_();Blockly.WidgetDiv.DIV.appendChild(c);var d=goog.style.getSize(c);Blockly.WidgetDiv.positionWithAnchor(a,b,d,this.sourceBlock_.RTL);Blockly.FieldColour.onUpWrapper_=Blockly.bindEvent_(c,"mouseup",this,this.onClick_)};
+Blockly.FieldColour.prototype.onClick_=function(a){(a=a.target)&&!a.label&&(a=a.parentNode);a=a&&a.label;Blockly.WidgetDiv.hide();this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(a)};
+Blockly.FieldColour.prototype.createWidget_=function(){var a=this.columns_||Blockly.FieldColour.COLUMNS,b=this.colours_||Blockly.FieldColour.COLOURS,c=this.titles_||Blockly.FieldColour.TITLES,d=this.getValue(),e=document.createElement("table");e.className="blocklyColourTable";for(var f,g=0;g<b.length;g++){0==g%a&&(f=document.createElement("tr"),e.appendChild(f));var h=document.createElement("td");f.appendChild(h);var k=document.createElement("div");h.appendChild(k);h.label=b[g];h.title=c[g]||b[g];
+k.style.backgroundColor=b[g];b[g]==d&&(k.className="blocklyColourSelected")}return e};Blockly.FieldColour.widgetDispose_=function(){Blockly.FieldColour.onUpWrapper_&&Blockly.unbindEvent_(Blockly.FieldColour.onUpWrapper_);Blockly.Events.setGroup(!1)};Blockly.Field.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b){"function"!=typeof a&&Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.trimOptions_();a=this.getOptions()[0];Blockly.FieldDropdown.superClass_.constructor.call(this,a[1],b)};goog.inherits(Blockly.FieldDropdown,Blockly.Field);Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options)};Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;
 Blockly.FieldDropdown.ARROW_CHAR=goog.userAgent.ANDROID?"\u25bc":"\u25be";Blockly.FieldDropdown.prototype.CURSOR="default";Blockly.FieldDropdown.prototype.value_="";Blockly.FieldDropdown.prototype.imageElement_=null;Blockly.FieldDropdown.prototype.imageJson_=null;
 Blockly.FieldDropdown.prototype.init=function(){this.fieldGroup_||(this.arrow_=Blockly.utils.createSvgElement("tspan",{},null),this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL?Blockly.FieldDropdown.ARROW_CHAR+" ":" "+Blockly.FieldDropdown.ARROW_CHAR)),Blockly.FieldDropdown.superClass_.init.call(this))};Blockly.FieldDropdown.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,null);var a=this.createMenu_();this.addActionListener_(a);this.positionMenu_(a)};
 Blockly.FieldDropdown.prototype.addActionListener_=function(a){var b=this;goog.events.listen(a,goog.ui.Component.EventType.ACTION,function(a){if(a=a.target)b.onItemSelected(this,a);Blockly.WidgetDiv.hideIfOwner(b);Blockly.Events.setGroup(!1)})};
@@ -1571,26 +1524,27 @@ Blockly.FieldDropdown.prototype.createMenu_=function(){var a=new goog.ui.Menu;a.
 Blockly.FieldDropdown.prototype.positionMenu_=function(a){var b=Blockly.utils.getViewportBBox(),c=this.getAnchorDimensions_();this.createWidget_(a);var d=Blockly.utils.uiMenu.getSize(a),e=Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH*document.documentElement.clientHeight;d.height>e&&(d.height=e);this.sourceBlock_.RTL&&Blockly.utils.uiMenu.adjustBBoxesForRTL(b,c,d);Blockly.WidgetDiv.positionWithAnchor(b,c,d,this.sourceBlock_.RTL);a.getElement().focus()};
 Blockly.FieldDropdown.prototype.createWidget_=function(a){a.render(Blockly.WidgetDiv.DIV);Blockly.utils.addClass(a.getElement(),"blocklyDropdownMenu");a.setAllowAutoFocus(!0)};Blockly.FieldDropdown.prototype.getAnchorDimensions_=function(){var a=this.getScaledBBox_();this.sourceBlock_.RTL?a.right+=Blockly.FieldDropdown.CHECKMARK_OVERHANG:a.left-=Blockly.FieldDropdown.CHECKMARK_OVERHANG;return a};
 Blockly.FieldDropdown.prototype.onItemSelected=function(a,b){a=b.getValue();this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(a)};
-Blockly.FieldDropdown.prototype.trimOptions_=function(){this.suffixField=this.prefixField=null;var a=this.menuGenerator_;if(goog.isArray(a)){for(var b=!1,c=0;c<a.length;c++){var d=a[c][0];"string"==typeof d?a[c][0]=Blockly.utils.replaceMessageReferences(d):(null!=d.alt&&(a[c][0].alt=Blockly.utils.replaceMessageReferences(d.alt)),b=!0)}if(!(b||2>a.length)){b=[];for(c=0;c<a.length;c++)b.push(a[c][0]);c=Blockly.utils.shortestStringLength(b);d=Blockly.utils.commonWordPrefix(b,c);var e=Blockly.utils.commonWordSuffix(b,
-c);!d&&!e||c<=d+e||(d&&(this.prefixField=b[0].substring(0,d-1)),e&&(this.suffixField=b[0].substr(1-e)),this.menuGenerator_=Blockly.FieldDropdown.applyTrim_(a,d,e))}}};Blockly.FieldDropdown.applyTrim_=function(a,b,c){for(var d=[],e=0;e<a.length;e++){var f=a[e][0],g=a[e][1];f=f.substring(b,f.length-c);d[e]=[f,g]}return d};Blockly.FieldDropdown.prototype.isOptionListDynamic=function(){return goog.isFunction(this.menuGenerator_)};
-Blockly.FieldDropdown.prototype.getOptions=function(){if(goog.isFunction(this.menuGenerator_)){var a=this.menuGenerator_.call(this);Blockly.FieldDropdown.validateOptions_(a);return a}return this.menuGenerator_};Blockly.FieldDropdown.prototype.getValue=function(){return this.value_};
+Blockly.FieldDropdown.prototype.trimOptions_=function(){this.suffixField=this.prefixField=null;var a=this.menuGenerator_;if(Array.isArray(a)){for(var b=!1,c=0;c<a.length;c++){var d=a[c][0];"string"==typeof d?a[c][0]=Blockly.utils.replaceMessageReferences(d):(null!=d.alt&&(a[c][0].alt=Blockly.utils.replaceMessageReferences(d.alt)),b=!0)}if(!(b||2>a.length)){b=[];for(c=0;c<a.length;c++)b.push(a[c][0]);c=Blockly.utils.shortestStringLength(b);d=Blockly.utils.commonWordPrefix(b,c);var e=Blockly.utils.commonWordSuffix(b,
+c);!d&&!e||c<=d+e||(d&&(this.prefixField=b[0].substring(0,d-1)),e&&(this.suffixField=b[0].substr(1-e)),this.menuGenerator_=Blockly.FieldDropdown.applyTrim_(a,d,e))}}};Blockly.FieldDropdown.applyTrim_=function(a,b,c){for(var d=[],e=0;e<a.length;e++){var f=a[e][0],g=a[e][1];f=f.substring(b,f.length-c);d[e]=[f,g]}return d};Blockly.FieldDropdown.prototype.isOptionListDynamic=function(){return"function"==typeof this.menuGenerator_};
+Blockly.FieldDropdown.prototype.getOptions=function(){if(this.isOptionListDynamic()){var a=this.menuGenerator_.call(this);Blockly.FieldDropdown.validateOptions_(a);return a}return this.menuGenerator_};Blockly.FieldDropdown.prototype.getValue=function(){return this.value_};
 Blockly.FieldDropdown.prototype.setValue=function(a){if(null!==a&&a!==this.value_){this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.value_,a));this.value_=a;for(var b=this.getOptions(),c=0;c<b.length;c++)if(b[c][1]==a){a=b[c][0];"object"==typeof a?(this.imageJson_=a,this.text_=a.alt):(this.imageJson_=null,this.text_=a);this.forceRerender();return}this.text_=a;this.forceRerender()}};
-Blockly.FieldDropdown.prototype.render_=function(){this.visible_?(this.sourceBlock_&&this.arrow_&&(this.arrow_.style.fill=this.sourceBlock_.getColour()),goog.dom.removeChildren(this.textElement_),goog.dom.removeNode(this.imageElement_),this.imageElement_=null,this.imageJson_?this.renderSelectedImage_():this.renderSelectedText_(),this.borderRect_.setAttribute("height",this.size_.height-9),this.borderRect_.setAttribute("width",this.size_.width+Blockly.BlockSvg.SEP_SPACE_X)):this.size_.width=0};
+Blockly.FieldDropdown.prototype.render_=function(){if(this.visible_){this.sourceBlock_&&this.arrow_&&(this.arrow_.style.fill=this.sourceBlock_.getColour());for(var a;a=this.textElement_.firstChild;)this.textElement_.removeChild(a);this.imageElement_&&(this.imageElement_.parentNode.removeChild(this.imageElement_),this.imageElement_=null);this.imageJson_?this.renderSelectedImage_():this.renderSelectedText_();this.borderRect_.setAttribute("height",this.size_.height-9);this.borderRect_.setAttribute("width",
+this.size_.width+Blockly.BlockSvg.SEP_SPACE_X)}else this.size_.width=0};
 Blockly.FieldDropdown.prototype.renderSelectedImage_=function(){this.imageElement_=Blockly.utils.createSvgElement("image",{y:5,height:this.imageJson_.height+"px",width:this.imageJson_.width+"px"},this.fieldGroup_);this.imageElement_.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",this.imageJson_.src);this.textElement_.appendChild(this.arrow_);var a=Blockly.Field.getCachedWidth(this.arrow_);this.size_.height=Number(this.imageJson_.height)+19;this.size_.width=Number(this.imageJson_.width)+
 a;this.sourceBlock_.RTL?(this.imageElement_.setAttribute("x",a),this.textElement_.setAttribute("x",-1)):(this.textElement_.setAttribute("text-anchor","end"),this.textElement_.setAttribute("x",this.size_.width+1))};
 Blockly.FieldDropdown.prototype.renderSelectedText_=function(){var a=document.createTextNode(this.getDisplayText_());this.textElement_.appendChild(a);this.sourceBlock_.RTL?this.textElement_.insertBefore(this.arrow_,this.textElement_.firstChild):this.textElement_.appendChild(this.arrow_);this.textElement_.setAttribute("text-anchor","start");this.textElement_.setAttribute("x",0);this.size_.height=Blockly.BlockSvg.MIN_BLOCK_Y;this.size_.width=Blockly.Field.getCachedWidth(this.textElement_)};
 Blockly.FieldDropdown.prototype.updateWidth=function(){if(this.imageJson_&&(goog.userAgent.IE||goog.userAgent.EDGE)){var a=Blockly.Field.getCachedWidth(this.arrow_);a=Number(this.imageJson_.width)+a+Blockly.BlockSvg.SEP_SPACE_X;this.borderRect_&&this.borderRect_.setAttribute("width",a);this.size_.width=a}else Blockly.Field.prototype.updateWidth.call(this)};Blockly.FieldDropdown.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldDropdown.superClass_.dispose.call(this)};
-Blockly.FieldDropdown.validateOptions_=function(a){if(!goog.isArray(a))throw"FieldDropdown options must be an array.";for(var b=!1,c=0;c<a.length;++c){var d=a[c];goog.isArray(a)?goog.isString(d[1])?goog.isString(d[0])||goog.isString(d[0].src)||(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option must have a string label or image description. Found"+d[0]+" in: ",d)):(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option id must be a string. Found "+d[1]+" in: ",d)):
-(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option must be an array. Found: ",d))}if(b)throw"Found invalid FieldDropdown options.";};Blockly.Field.register("field_dropdown",Blockly.FieldDropdown);Blockly.FieldImage=function(a,b,c,d,e){this.sourceBlock_=null;this.height_=Number(c);this.width_=Number(b);this.size_=new goog.math.Size(this.width_,this.height_+2*Blockly.BlockSvg.INLINE_PADDING_Y);this.text_=d||"";this.setValue(a);"function"==typeof e&&(this.clickHandler_=e)};goog.inherits(Blockly.FieldImage,Blockly.Field);
+Blockly.FieldDropdown.validateOptions_=function(a){if(!Array.isArray(a))throw TypeError("FieldDropdown options must be an array.");for(var b=!1,c=0;c<a.length;++c){var d=a[c];Array.isArray(a)?"string"!=typeof d[1]?(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option id must be a string. Found "+d[1]+" in: ",d)):"string"!=typeof d[0]&&"string"!=typeof d[0].src&&(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option must have a string label or image description. Found"+
+d[0]+" in: ",d)):(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option must be an array. Found: ",d))}if(b)throw TypeError("Found invalid FieldDropdown options.");};Blockly.Field.register("field_dropdown",Blockly.FieldDropdown);Blockly.FieldImage=function(a,b,c,d,e){this.sourceBlock_=null;this.height_=Number(c);this.width_=Number(b);this.size_=new goog.math.Size(this.width_,this.height_+2*Blockly.BlockSvg.INLINE_PADDING_Y);this.text_=d||"";this.setValue(a);"function"==typeof e&&(this.clickHandler_=e)};goog.inherits(Blockly.FieldImage,Blockly.Field);
 Blockly.FieldImage.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.src),c=Number(Blockly.utils.replaceMessageReferences(a.width)),d=Number(Blockly.utils.replaceMessageReferences(a.height));a=Blockly.utils.replaceMessageReferences(a.alt);return new Blockly.FieldImage(b,c,d,a)};Blockly.FieldImage.prototype.EDITABLE=!1;
 Blockly.FieldImage.prototype.init=function(){this.fieldGroup_||(this.fieldGroup_=Blockly.utils.createSvgElement("g",{},null),this.visible_||(this.fieldGroup_.style.display="none"),this.imageElement_=Blockly.utils.createSvgElement("image",{height:this.height_+"px",width:this.width_+"px"},this.fieldGroup_),this.setValue(this.src_),this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_),this.setTooltip(this.sourceBlock_),Blockly.Tooltip.bindMouseEvents(this.imageElement_),this.maybeAddClickHandler_())};
-Blockly.FieldImage.prototype.dispose=function(){goog.dom.removeNode(this.fieldGroup_);this.imageElement_=this.fieldGroup_=null};Blockly.FieldImage.prototype.maybeAddClickHandler_=function(){this.clickHandler_&&(this.mouseDownWrapper_=Blockly.bindEventWithChecks_(this.fieldGroup_,"mousedown",this,this.onMouseDown_))};Blockly.FieldImage.prototype.setTooltip=function(a){this.imageElement_.tooltip=a};Blockly.FieldImage.prototype.getValue=function(){return this.src_};
+Blockly.FieldImage.prototype.dispose=function(){this.fieldGroup_&&(this.fieldGroup_.parentNode.removeChild(this.fieldGroup_),this.fieldGroup_=null);this.imageElement_=null};Blockly.FieldImage.prototype.maybeAddClickHandler_=function(){this.clickHandler_&&(this.mouseDownWrapper_=Blockly.bindEventWithChecks_(this.fieldGroup_,"mousedown",this,this.onMouseDown_))};Blockly.FieldImage.prototype.setTooltip=function(a){this.imageElement_.tooltip=a};Blockly.FieldImage.prototype.getValue=function(){return this.src_};
 Blockly.FieldImage.prototype.setValue=function(a){null!==a&&(this.src_=a,this.imageElement_&&this.imageElement_.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",a||""))};Blockly.FieldImage.prototype.setText=function(a){null!==a&&(this.text_=a)};Blockly.FieldImage.prototype.render_=function(){};Blockly.FieldImage.prototype.forceRerender=function(){};Blockly.FieldImage.prototype.updateWidth=function(){};Blockly.FieldImage.prototype.showEditor_=function(){this.clickHandler_&&this.clickHandler_(this)};
 Blockly.Field.register("field_image",Blockly.FieldImage);Blockly.FieldNumber=function(a,b,c,d,e){a=a&&!isNaN(a)?String(a):"0";Blockly.FieldNumber.superClass_.constructor.call(this,a,e);this.setConstraints(b,c,d)};goog.inherits(Blockly.FieldNumber,Blockly.FieldTextInput);Blockly.FieldNumber.fromJson=function(a){return new Blockly.FieldNumber(a.value,a.min,a.max,a.precision)};
 Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){c=parseFloat(c);this.precision_=isNaN(c)?0:c;a=parseFloat(a);this.min_=isNaN(a)?-Infinity:a;b=parseFloat(b);this.max_=isNaN(b)?Infinity:b;this.setValue(this.callValidator(this.getValue()))};
-Blockly.FieldNumber.prototype.classValidator=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=parseFloat(a||0);if(isNaN(a))return null;this.precision_&&isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);a=goog.math.clamp(a,this.min_,this.max_);return String(a)};Blockly.Field.register("field_number",Blockly.FieldNumber);Blockly.FieldVariable=function(a,b,c,d){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.size_=new goog.math.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);this.setValidator(b);this.defaultVariableName=a||"";this.setTypes_(c,d);this.value_=null};goog.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,null,a.variableTypes,a.defaultType)};
+Blockly.FieldNumber.prototype.classValidator=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=parseFloat(a||0);if(isNaN(a))return null;this.precision_&&isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);a=Math.min(Math.max(a,this.min_),this.max_);return String(a)};Blockly.Field.register("field_number",Blockly.FieldNumber);Blockly.FieldVariable=function(a,b,c,d){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.size_=new goog.math.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);this.setValidator(b);this.defaultVariableName=a||"";this.setTypes_(c,d);this.value_=null};goog.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,null,a.variableTypes,a.defaultType)};
 Blockly.FieldVariable.prototype.init=function(){this.fieldGroup_||(Blockly.FieldVariable.superClass_.init.call(this),this.initModel())};Blockly.FieldVariable.prototype.initModel=function(){if(!this.variable_){this.workspace_=this.sourceBlock_.workspace;var a=Blockly.Variables.getOrCreateVariablePackage(this.workspace_,null,this.defaultVariableName,this.defaultType_);Blockly.Events.disable();try{this.setValue(a.getId())}finally{Blockly.Events.enable()}}};
-Blockly.FieldVariable.prototype.dispose=function(){Blockly.FieldVariable.superClass_.dispose.call(this);this.variableMap_=this.workspace_=null};Blockly.FieldVariable.prototype.setSourceBlock=function(a){goog.asserts.assert(!a.isShadow(),"Variable fields are not allowed to exist on shadow blocks.");Blockly.FieldVariable.superClass_.setSourceBlock.call(this,a)};Blockly.FieldVariable.prototype.getValue=function(){return this.variable_?this.variable_.getId():null};
+Blockly.FieldVariable.prototype.dispose=function(){Blockly.FieldVariable.superClass_.dispose.call(this);this.variableMap_=this.workspace_=null};Blockly.FieldVariable.prototype.setSourceBlock=function(a){if(a.isShadow())throw Error("Variable fields are not allowed to exist on shadow blocks.");Blockly.FieldVariable.superClass_.setSourceBlock.call(this,a)};Blockly.FieldVariable.prototype.getValue=function(){return this.variable_?this.variable_.getId():null};
 Blockly.FieldVariable.prototype.getText=function(){return this.variable_?this.variable_.name:""};Blockly.FieldVariable.prototype.getVariable=function(){return this.variable_};
 Blockly.FieldVariable.prototype.setValue=function(a){var b=Blockly.Variables.getVariable(this.sourceBlock_.workspace,a);if(!b)throw Error("Variable id doesn't point to a real variable!  ID was "+a);var c=b.type;if(!this.typeIsAllowed_(c))throw Error("Variable type doesn't match this field!  Type was "+c);this.sourceBlock_&&Blockly.Events.isEnabled()&&(c=this.variable_?this.variable_.getId():null,Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,c,a)));this.variable_=
 b;this.value_=a;this.setText(b.name)};Blockly.FieldVariable.prototype.typeIsAllowed_=function(a){var b=this.getVariableTypes_();if(!b)return!0;for(var c=0;c<b.length;c++)if(a==b[c])return!0;return!1};Blockly.FieldVariable.prototype.getVariableTypes_=function(){var a=this.variableTypes;if(null===a&&this.sourceBlock_)return this.sourceBlock_.workspace.getVariableTypes();a=a||[""];if(0==a.length)throw a=this.getText(),Error("'variableTypes' of field variable "+a+" was an empty list");return a};
@@ -1598,12 +1552,12 @@ Blockly.FieldVariable.prototype.setTypes_=function(a,b){b=b||"";if(null==a||void
 Blockly.FieldVariable.dropdownCreate=function(){if(!this.variable_)throw Error("Tried to call dropdownCreate on a variable field with no variable selected.");var a=this.getText(),b=null;this.sourceBlock_&&(b=this.sourceBlock_.workspace);var c=[];if(b)for(var d=this.getVariableTypes_(),e=0;e<d.length;e++){var f=b.getVariablesOfType(d[e]);c=c.concat(f)}c.sort(Blockly.VariableModel.compareByName);b=[];for(e=0;e<c.length;e++)b[e]=[c[e].name,c[e].getId()];b.push([Blockly.Msg.RENAME_VARIABLE,Blockly.RENAME_VARIABLE_ID]);
 Blockly.Msg.DELETE_VARIABLE&&b.push([Blockly.Msg.DELETE_VARIABLE.replace("%1",a),Blockly.DELETE_VARIABLE_ID]);return b};Blockly.FieldVariable.prototype.onItemSelected=function(a,b){a=b.getValue();if(this.sourceBlock_&&this.sourceBlock_.workspace){b=this.sourceBlock_.workspace;if(a==Blockly.RENAME_VARIABLE_ID){Blockly.Variables.renameVariable(b,this.variable_);return}if(a==Blockly.DELETE_VARIABLE_ID){b.deleteVariableById(this.variable_.getId());return}}this.setValue(a)};
 Blockly.FieldVariable.prototype.referencesVariables=function(){return!0};Blockly.Field.register("field_variable",Blockly.FieldVariable);Blockly.Generator=function(a){this.name_=a;this.FUNCTION_NAME_PLACEHOLDER_REGEXP_=new RegExp(this.FUNCTION_NAME_PLACEHOLDER_,"g")};Blockly.Generator.NAME_TYPE="generated_function";Blockly.Generator.prototype.INFINITE_LOOP_TRAP=null;Blockly.Generator.prototype.STATEMENT_PREFIX=null;Blockly.Generator.prototype.INDENT="  ";Blockly.Generator.prototype.COMMENT_WRAP=60;Blockly.Generator.prototype.ORDER_OVERRIDES=[];
-Blockly.Generator.prototype.workspaceToCode=function(a){a||(console.warn("No workspace specified in workspaceToCode call.  Guessing."),a=Blockly.getMainWorkspace());var b=[];this.init(a);a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++){var e=this.blockToCode(d);goog.isArray(e)&&(e=e[0]);e&&(d.outputConnection&&(e=this.scrubNakedValue(e)),b.push(e))}b=b.join("\n");b=this.finish(b);b=b.replace(/^\s+\n/,"");b=b.replace(/\n\s+$/,"\n");return b=b.replace(/[ \t]+\n/g,"\n")};
+Blockly.Generator.prototype.workspaceToCode=function(a){a||(console.warn("No workspace specified in workspaceToCode call.  Guessing."),a=Blockly.getMainWorkspace());var b=[];this.init(a);a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++){var e=this.blockToCode(d);Array.isArray(e)&&(e=e[0]);e&&(d.outputConnection&&(e=this.scrubNakedValue(e)),b.push(e))}b=b.join("\n");b=this.finish(b);b=b.replace(/^\s+\n/,"");b=b.replace(/\n\s+$/,"\n");return b=b.replace(/[ \t]+\n/g,"\n")};
 Blockly.Generator.prototype.prefixLines=function(a,b){return b+a.replace(/(?!\n$)\n/g,"\n"+b)};Blockly.Generator.prototype.allNestedComments=function(a){var b=[];a=a.getDescendants(!0);for(var c=0;c<a.length;c++){var d=a[c].getCommentText();d&&b.push(d)}b.length&&b.push("");return b.join("\n")};
-Blockly.Generator.prototype.blockToCode=function(a){if(!a)return"";if(a.disabled)return this.blockToCode(a.getNextBlock());var b=this[a.type];goog.asserts.assertFunction(b,'Language "%s" does not know how to generate code for block type "%s".',this.name_,a.type);b=b.call(a,a);if(goog.isArray(b))return goog.asserts.assert(a.outputConnection,'Expecting string from statement block "%s".',a.type),[this.scrub_(a,b[0]),b[1]];if(goog.isString(b)){var c=a.id.replace(/\$/g,"$$$$");this.STATEMENT_PREFIX&&(b=
-this.STATEMENT_PREFIX.replace(/%1/g,"'"+c+"'")+b);return this.scrub_(a,b)}if(null===b)return"";goog.asserts.fail("Invalid code generated: %s",b)};
-Blockly.Generator.prototype.valueToCode=function(a,b,c){isNaN(c)&&goog.asserts.fail('Expecting valid order from block "%s".',a.type);var d=a.getInputTargetBlock(b);if(!d)return"";b=this.blockToCode(d);if(""===b)return"";goog.asserts.assertArray(b,'Expecting tuple from value block "%s".',d.type);a=b[0];b=b[1];isNaN(b)&&goog.asserts.fail('Expecting valid order from value block "%s".',d.type);if(!a)return"";d=!1;var e=Math.floor(c),f=Math.floor(b);if(e<=f&&(e!=f||0!=e&&99!=e))for(d=!0,e=0;e<this.ORDER_OVERRIDES.length;e++)if(this.ORDER_OVERRIDES[e][0]==
-c&&this.ORDER_OVERRIDES[e][1]==b){d=!1;break}d&&(a="("+a+")");return a};Blockly.Generator.prototype.statementToCode=function(a,b){a=a.getInputTargetBlock(b);b=this.blockToCode(a);goog.asserts.assertString(b,'Expecting code from statement block "%s".',a&&a.type);b&&(b=this.prefixLines(b,this.INDENT));return b};
+Blockly.Generator.prototype.blockToCode=function(a){if(!a)return"";if(a.disabled)return this.blockToCode(a.getNextBlock());var b=this[a.type];if("function"!=typeof b)throw Error('Language "'+this.name_+'" does not know how to generate  code for block type "'+a.type+'".');b=b.call(a,a);if(Array.isArray(b)){if(!a.outputConnection)throw TypeError("Expecting string from statement block: "+a.type);return[this.scrub_(a,b[0]),b[1]]}if("string"==typeof b){var c=a.id.replace(/\$/g,"$$$$");this.STATEMENT_PREFIX&&
+(b=this.STATEMENT_PREFIX.replace(/%1/g,"'"+c+"'")+b);return this.scrub_(a,b)}if(null===b)return"";throw SyntaxError("Invalid code generated: "+b);};
+Blockly.Generator.prototype.valueToCode=function(a,b,c){if(isNaN(c))throw TypeError("Expecting valid order from block: "+a.type);var d=a.getInputTargetBlock(b);if(!d)return"";b=this.blockToCode(d);if(""===b)return"";if(!Array.isArray(b))throw TypeError("Expecting tuple from value block: "+d.type);a=b[0];b=b[1];if(isNaN(b))throw TypeError("Expecting valid order from value block: "+d.type);if(!a)return"";d=!1;var e=Math.floor(c),f=Math.floor(b);if(e<=f&&(e!=f||0!=e&&99!=e))for(d=!0,e=0;e<this.ORDER_OVERRIDES.length;e++)if(this.ORDER_OVERRIDES[e][0]==
+c&&this.ORDER_OVERRIDES[e][1]==b){d=!1;break}d&&(a="("+a+")");return a};Blockly.Generator.prototype.statementToCode=function(a,b){a=a.getInputTargetBlock(b);b=this.blockToCode(a);if("string"!=typeof b)throw TypeError("Expecting code from statement block: "+(a&&a.type));b&&(b=this.prefixLines(b,this.INDENT));return b};
 Blockly.Generator.prototype.addLoopTrap=function(a,b){b=b.replace(/\$/g,"$$$$");this.INFINITE_LOOP_TRAP&&(a=this.INFINITE_LOOP_TRAP.replace(/%1/g,"'"+b+"'")+a);this.STATEMENT_PREFIX&&(a+=this.prefixLines(this.STATEMENT_PREFIX.replace(/%1/g,"'"+b+"'"),this.INDENT));return a};Blockly.Generator.prototype.RESERVED_WORDS_="";Blockly.Generator.prototype.addReservedWords=function(a){this.RESERVED_WORDS_+=a+","};Blockly.Generator.prototype.FUNCTION_NAME_PLACEHOLDER_="{leCUI8hutHZI4480Dc}";
 Blockly.Generator.prototype.provideFunction_=function(a,b){if(!this.definitions_[a]){var c=this.variableDB_.getDistinctName(a,Blockly.Procedures.NAME_TYPE);this.functionNames_[a]=c;b=b.join("\n").replace(this.FUNCTION_NAME_PLACEHOLDER_REGEXP_,c);for(var d;d!=b;)d=b,b=b.replace(/^(( {2})*) {2}/gm,"$1\x00");b=b.replace(/\0/g,this.INDENT);this.definitions_[a]=b}return this.functionNames_[a]};Blockly.Generator.prototype.init=function(a){};Blockly.Generator.prototype.scrub_=function(a,b){return b};
 Blockly.Generator.prototype.finish=function(a){return a};Blockly.Generator.prototype.scrubNakedValue=function(a){return a};Blockly.Names=function(a,b){this.variablePrefix_=b||"";this.reservedDict_=Object.create(null);if(a)for(a=a.split(","),b=0;b<a.length;b++)this.reservedDict_[a[b]]=!0;this.reset()};Blockly.Names.DEVELOPER_VARIABLE_TYPE="DEVELOPER_VARIABLE";Blockly.Names.prototype.reset=function(){this.db_=Object.create(null);this.dbReverse_=Object.create(null);this.variableMap_=null};Blockly.Names.prototype.setVariableMap=function(a){this.variableMap_=a};
@@ -1623,20 +1577,20 @@ Blockly.FlyoutButton.prototype.createDom=function(){var a=this.isLabel_?"blockly
 rx:4,ry:4},this.svgGroup_);var c=Blockly.utils.createSvgElement("text",{"class":this.isLabel_?"blocklyFlyoutLabelText":"blocklyText",x:0,y:0,"text-anchor":"middle"},this.svgGroup_);c.textContent=Blockly.utils.replaceMessageReferences(this.text_);this.width=Blockly.Field.getCachedWidth(c);this.height=20;this.isLabel_||(this.width+=2*Blockly.FlyoutButton.MARGIN,b.setAttribute("width",this.width),b.setAttribute("height",this.height));a.setAttribute("width",this.width);a.setAttribute("height",this.height);
 c.setAttribute("x",this.width/2);c.setAttribute("y",this.height-Blockly.FlyoutButton.MARGIN);this.updateTransform_();this.onMouseUpWrapper_=Blockly.bindEventWithChecks_(this.svgGroup_,"mouseup",this,this.onMouseUp_);return this.svgGroup_};Blockly.FlyoutButton.prototype.show=function(){this.updateTransform_();this.svgGroup_.setAttribute("display","block")};
 Blockly.FlyoutButton.prototype.updateTransform_=function(){this.svgGroup_.setAttribute("transform","translate("+this.position_.x+","+this.position_.y+")")};Blockly.FlyoutButton.prototype.moveTo=function(a,b){this.position_.x=a;this.position_.y=b;this.updateTransform_()};Blockly.FlyoutButton.prototype.getPosition=function(){return this.position_};Blockly.FlyoutButton.prototype.getTargetWorkspace=function(){return this.targetWorkspace_};
-Blockly.FlyoutButton.prototype.dispose=function(){this.onMouseUpWrapper_&&Blockly.unbindEvent_(this.onMouseUpWrapper_);this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.targetWorkspace_=this.workspace_=null};Blockly.FlyoutButton.prototype.onMouseUp_=function(a){(a=this.targetWorkspace_.getGesture(a))&&a.cancel();this.callback_&&this.callback_(this)};Blockly.Flyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.RTL=!!a.RTL;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.mats_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[]};Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.isVisible_=!1;Blockly.Flyout.prototype.containerVisible_=!0;
+Blockly.FlyoutButton.prototype.dispose=function(){this.onMouseUpWrapper_&&Blockly.unbindEvent_(this.onMouseUpWrapper_);this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.targetWorkspace_=this.workspace_=null};Blockly.FlyoutButton.prototype.onMouseUp_=function(a){(a=this.targetWorkspace_.getGesture(a))&&a.cancel();this.callback_&&this.callback_(this)};Blockly.Flyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.RTL=!!a.RTL;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.mats_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[]};Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.isVisible_=!1;Blockly.Flyout.prototype.containerVisible_=!0;
 Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.MARGIN=Blockly.Flyout.prototype.CORNER_RADIUS;Blockly.Flyout.prototype.GAP_X=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.GAP_Y=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.SCROLLBAR_PADDING=2;Blockly.Flyout.prototype.width_=0;Blockly.Flyout.prototype.height_=0;Blockly.Flyout.prototype.dragAngleRange_=70;
 Blockly.Flyout.prototype.createDom=function(a){this.svgGroup_=Blockly.utils.createSvgElement(a,{"class":"blocklyFlyout",style:"display: none"},null);this.svgBackground_=Blockly.utils.createSvgElement("path",{"class":"blocklyFlyoutBackground"},this.svgGroup_);this.svgGroup_.appendChild(this.workspace_.createDom());return this.svgGroup_};
 Blockly.Flyout.prototype.init=function(a){this.targetWorkspace_=a;this.workspace_.targetWorkspace=a;this.scrollbar_=new Blockly.Scrollbar(this.workspace_,this.horizontalLayout_,!1,"blocklyFlyoutScrollbar");this.hide();Array.prototype.push.apply(this.eventWrappers_,Blockly.bindEventWithChecks_(this.svgGroup_,"wheel",this,this.wheel_));this.autoClose||(this.filterWrapper_=this.filterForCapacity_.bind(this),this.targetWorkspace_.addChangeListener(this.filterWrapper_));Array.prototype.push.apply(this.eventWrappers_,
 Blockly.bindEventWithChecks_(this.svgBackground_,"mousedown",this,this.onMouseDown_));this.workspace_.getGesture=this.targetWorkspace_.getGesture.bind(this.targetWorkspace_);this.workspace_.variableMap_=this.targetWorkspace_.getVariableMap();this.workspace_.createPotentialVariableMap()};
-Blockly.Flyout.prototype.dispose=function(){this.hide();Blockly.unbindEvent_(this.eventWrappers_);this.filterWrapper_&&(this.targetWorkspace_.removeChangeListener(this.filterWrapper_),this.filterWrapper_=null);this.scrollbar_&&(this.scrollbar_.dispose(),this.scrollbar_=null);this.workspace_&&(this.workspace_.targetWorkspace=null,this.workspace_.dispose(),this.workspace_=null);this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.targetWorkspace_=this.svgBackground_=null};
-Blockly.Flyout.prototype.getWidth=function(){return this.width_};Blockly.Flyout.prototype.getHeight=function(){return this.height_};Blockly.Flyout.prototype.getWorkspace=function(){return this.workspace_};Blockly.Flyout.prototype.isVisible=function(){return this.isVisible_};Blockly.Flyout.prototype.setVisible=function(a){var b=a!=this.isVisible();this.isVisible_=a;b&&this.updateDisplay_()};
+Blockly.Flyout.prototype.dispose=function(){this.hide();Blockly.unbindEvent_(this.eventWrappers_);this.filterWrapper_&&(this.targetWorkspace_.removeChangeListener(this.filterWrapper_),this.filterWrapper_=null);this.scrollbar_&&(this.scrollbar_.dispose(),this.scrollbar_=null);this.workspace_&&(this.workspace_.targetWorkspace=null,this.workspace_.dispose(),this.workspace_=null);this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.targetWorkspace_=this.svgBackground_=
+null};Blockly.Flyout.prototype.getWidth=function(){return this.width_};Blockly.Flyout.prototype.getHeight=function(){return this.height_};Blockly.Flyout.prototype.getWorkspace=function(){return this.workspace_};Blockly.Flyout.prototype.isVisible=function(){return this.isVisible_};Blockly.Flyout.prototype.setVisible=function(a){var b=a!=this.isVisible();this.isVisible_=a;b&&this.updateDisplay_()};
 Blockly.Flyout.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Flyout.prototype.updateDisplay_=function(){var a=this.containerVisible_?this.isVisible():!1;this.svgGroup_.style.display=a?"block":"none";this.scrollbar_.setContainerVisible(a)};
 Blockly.Flyout.prototype.positionAt_=function(a,b,c,d){this.svgGroup_.setAttribute("width",a);this.svgGroup_.setAttribute("height",b);"svg"==this.svgGroup_.tagName?Blockly.utils.setCssTransform(this.svgGroup_,"translate("+c+"px,"+d+"px)"):this.svgGroup_.setAttribute("transform","translate("+c+","+d+")");this.scrollbar_&&(this.scrollbar_.setOrigin(c,d),this.scrollbar_.resize())};
 Blockly.Flyout.prototype.hide=function(){if(this.isVisible()){this.setVisible(!1);for(var a=0,b;b=this.listeners_[a];a++)Blockly.unbindEvent_(b);this.listeners_.length=0;this.reflowWrapper_&&(this.workspace_.removeChangeListener(this.reflowWrapper_),this.reflowWrapper_=null)}};
-Blockly.Flyout.prototype.show=function(a){this.workspace_.setResizesEnabled(!1);this.hide();this.clearOldBlocks_();"string"==typeof a&&(a=this.workspace_.targetWorkspace.getToolboxCategoryCallback(a),goog.asserts.assert(goog.isFunction(a),"Couldn't find a callback function when opening a toolbox category."),a=a(this.workspace_.targetWorkspace),goog.asserts.assert(goog.isArray(a),"The result of a toolbox category callback must be an array."));this.setVisible(!0);for(var b=[],c=[],d=this.permanentlyDisabled_.length=
+Blockly.Flyout.prototype.show=function(a){this.workspace_.setResizesEnabled(!1);this.hide();this.clearOldBlocks_();if("string"==typeof a){a=this.workspace_.targetWorkspace.getToolboxCategoryCallback(a);if("function"!=typeof a)throw TypeError("Couldn't find a callback function when opening a toolbox category.");a=a(this.workspace_.targetWorkspace);if(!Array.isArray(a))throw TypeError("Result of toolbox category callback must be an array.");}this.setVisible(!0);for(var b=[],c=[],d=this.permanentlyDisabled_.length=
 0,e;e=a[d];d++)if(e.tagName){var f=e.tagName.toUpperCase(),g=this.horizontalLayout_?this.GAP_X:this.GAP_Y;if("BLOCK"==f)f=Blockly.Xml.domToBlock(e,this.workspace_),f.disabled&&this.permanentlyDisabled_.push(f),b.push({type:"block",block:f}),e=parseInt(e.getAttribute("gap"),10),c.push(isNaN(e)?g:e);else if("SEP"==e.tagName.toUpperCase())e=parseInt(e.getAttribute("gap"),10),!isNaN(e)&&0<c.length?c[c.length-1]=e:c.push(g);else if("BUTTON"==f||"LABEL"==f)e=new Blockly.FlyoutButton(this.workspace_,this.targetWorkspace_,
 e,"LABEL"==f),b.push({type:"button",button:e}),c.push(g)}this.layout_(b,c);this.listeners_.push(Blockly.bindEventWithChecks_(this.svgBackground_,"mouseover",this,function(){for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++)c.removeSelect()}));this.horizontalLayout_?this.height_=0:this.width_=0;this.workspace_.setResizesEnabled(!0);this.reflow();this.filterForCapacity_();this.position();this.reflowWrapper_=this.reflow.bind(this);this.workspace_.addChangeListener(this.reflowWrapper_)};
-Blockly.Flyout.prototype.clearOldBlocks_=function(){for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++)c.workspace==this.workspace_&&c.dispose(!1,!1);for(b=0;b<this.mats_.length;b++)(a=this.mats_[b])&&goog.dom.removeNode(a);for(b=this.mats_.length=0;a=this.buttons_[b];b++)a.dispose();this.buttons_.length=0;this.workspace_.getPotentialVariableMap().clear()};
+Blockly.Flyout.prototype.clearOldBlocks_=function(){for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++)c.workspace==this.workspace_&&c.dispose(!1,!1);for(b=0;b<this.mats_.length;b++)(a=this.mats_[b])&&a.parentNode.removeChild(a);for(b=this.mats_.length=0;a=this.buttons_[b];b++)a.dispose();this.buttons_.length=0;this.workspace_.getPotentialVariableMap().clear()};
 Blockly.Flyout.prototype.addBlockListeners_=function(a,b,c){this.listeners_.push(Blockly.bindEventWithChecks_(a,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEventWithChecks_(c,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEvent_(a,"mouseover",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(a,"mouseout",b,b.removeSelect));this.listeners_.push(Blockly.bindEvent_(c,"mouseover",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(c,
 "mouseout",b,b.removeSelect))};Blockly.Flyout.prototype.blockMouseDown_=function(a){var b=this;return function(c){var d=b.targetWorkspace_.getGesture(c);d&&(d.setStartBlock(a),d.handleFlyoutStart(c,b))}};Blockly.Flyout.prototype.onMouseDown_=function(a){var b=this.targetWorkspace_.getGesture(a);b&&b.handleFlyoutStart(a,this)};
 Blockly.Flyout.prototype.createBlock=function(a){var b=null;Blockly.Events.disable();var c=this.targetWorkspace_.getAllVariables();this.targetWorkspace_.setResizesEnabled(!1);try{b=this.placeNewBlock_(a),Blockly.hideChaff()}finally{Blockly.Events.enable()}a=Blockly.Variables.getAddedVariables(this.targetWorkspace_,c);if(Blockly.Events.isEnabled())for(Blockly.Events.setGroup(!0),Blockly.Events.fire(new Blockly.Events.Create(b)),c=0;c<a.length;c++)Blockly.Events.fire(new Blockly.Events.VarCreate(a[c]));
@@ -1645,10 +1599,10 @@ Blockly.Flyout.prototype.createRect_=function(a,b,c,d,e){b=Blockly.utils.createS
 Blockly.Flyout.prototype.moveRectToBlock_=function(a,b){var c=b.getHeightWidth();a.setAttribute("width",c.width);a.setAttribute("height",c.height);var d=b.startHat_?Blockly.BlockSvg.START_HAT_HEIGHT:0;d&&b.moveBy(0,d);d=b.outputConnection?Blockly.BlockSvg.TAB_WIDTH:0;b=b.getRelativeToSurfaceXY();a.setAttribute("y",b.y);a.setAttribute("x",this.RTL?b.x-c.width+d:b.x-d)};
 Blockly.Flyout.prototype.filterForCapacity_=function(){for(var a=this.targetWorkspace_.remainingCapacity(),b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++)if(-1==this.permanentlyDisabled_.indexOf(d)){var e=d.getDescendants(!1);d.setDisabled(e.length>a)}};Blockly.Flyout.prototype.reflow=function(){this.reflowWrapper_&&this.workspace_.removeChangeListener(this.reflowWrapper_);this.reflowInternal_();this.reflowWrapper_&&this.workspace_.addChangeListener(this.reflowWrapper_)};
 Blockly.Flyout.prototype.isScrollable=function(){return this.scrollbar_?this.scrollbar_.isVisible():!1};
-Blockly.Flyout.prototype.placeNewBlock_=function(a){var b=this.targetWorkspace_;if(!a.getSvgRoot())throw"oldBlock is not rendered.";var c=Blockly.Xml.blockToDom(a);b.setResizesEnabled(!1);c=Blockly.Xml.domToBlock(c,b);if(!c.getSvgRoot())throw"block is not rendered.";var d=b.getOriginOffsetInPixels(),e=this.workspace_.getOriginOffsetInPixels();a=a.getRelativeToSurfaceXY().scale(this.workspace_.scale);a=goog.math.Coordinate.sum(e,a);b=goog.math.Coordinate.difference(a,d).scale(1/b.scale);c.moveBy(b.x,
-b.y);return c};Blockly.HorizontalFlyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);Blockly.HorizontalFlyout.superClass_.constructor.call(this,a);this.horizontalLayout_=!0};goog.inherits(Blockly.HorizontalFlyout,Blockly.Flyout);
+Blockly.Flyout.prototype.placeNewBlock_=function(a){var b=this.targetWorkspace_;if(!a.getSvgRoot())throw Error("oldBlock is not rendered.");var c=Blockly.Xml.blockToDom(a);b.setResizesEnabled(!1);c=Blockly.Xml.domToBlock(c,b);if(!c.getSvgRoot())throw Error("block is not rendered.");var d=b.getOriginOffsetInPixels(),e=this.workspace_.getOriginOffsetInPixels();a=a.getRelativeToSurfaceXY().scale(this.workspace_.scale);a=goog.math.Coordinate.sum(e,a);b=goog.math.Coordinate.difference(a,d).scale(1/b.scale);
+c.moveBy(b.x,b.y);return c};Blockly.HorizontalFlyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);Blockly.HorizontalFlyout.superClass_.constructor.call(this,a);this.horizontalLayout_=!0};goog.inherits(Blockly.HorizontalFlyout,Blockly.Flyout);
 Blockly.HorizontalFlyout.prototype.getMetrics_=function(){if(!this.isVisible())return null;try{var a=this.workspace_.getCanvas().getBBox()}catch(e){a={height:0,y:0,width:0,x:0}}var b=this.SCROLLBAR_PADDING,c=this.SCROLLBAR_PADDING;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&(b=0);var d=this.height_;this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP&&(d-=this.SCROLLBAR_PADDING);return{viewHeight:d,viewWidth:this.width_-2*this.SCROLLBAR_PADDING,contentHeight:(a.height+2*this.MARGIN)*this.workspace_.scale,
-contentWidth:(a.width+2*this.MARGIN)*this.workspace_.scale,viewTop:-this.workspace_.scrollY,viewLeft:-this.workspace_.scrollX,contentTop:a.y,contentLeft:a.x,absoluteTop:b,absoluteLeft:c}};Blockly.HorizontalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&(goog.isNumber(a.x)&&(this.workspace_.scrollX=-b.contentWidth*a.x),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
+contentWidth:(a.width+2*this.MARGIN)*this.workspace_.scale,viewTop:-this.workspace_.scrollY,viewLeft:-this.workspace_.scrollX,contentTop:a.y,contentLeft:a.x,absoluteTop:b,absoluteLeft:c}};Blockly.HorizontalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&("number"==typeof a.x&&(this.workspace_.scrollX=-b.contentWidth*a.x),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
 Blockly.HorizontalFlyout.prototype.position=function(){if(this.isVisible()){var a=this.targetWorkspace_.getMetrics();if(a){this.width_=a.viewWidth;this.setBackgroundPath_(a.viewWidth-2*this.CORNER_RADIUS,this.height_-this.CORNER_RADIUS);var b=a.absoluteLeft,c=a.absoluteTop;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&(c+=a.viewHeight-this.height_);this.positionAt_(this.width_,this.height_,b,c)}}};
 Blockly.HorizontalFlyout.prototype.setBackgroundPath_=function(a,b){var c=this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP,d=["M 0,"+(c?0:this.CORNER_RADIUS)];c?(d.push("h",a+2*this.CORNER_RADIUS),d.push("v",b),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,-this.CORNER_RADIUS,this.CORNER_RADIUS),d.push("h",-1*a),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,-this.CORNER_RADIUS,-this.CORNER_RADIUS)):(d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,this.CORNER_RADIUS,-this.CORNER_RADIUS),
 d.push("h",a),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,this.CORNER_RADIUS,this.CORNER_RADIUS),d.push("v",b),d.push("h",-a-2*this.CORNER_RADIUS));d.push("z");this.svgBackground_.setAttribute("d",d.join(" "))};Blockly.HorizontalFlyout.prototype.scrollToStart=function(){this.scrollbar_.set(this.RTL?Infinity:0)};
@@ -1658,7 +1612,7 @@ f,k)}else"button"==f.type&&(this.initFlyoutButton_(f.button,d,c),d+=f.button.wid
 Blockly.HorizontalFlyout.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect(),b=a.top;a=a.height;if(this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP)return new goog.math.Rect(-1E9,b-1E9,2E9,1E9+a);if(this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM)return new goog.math.Rect(-1E9,b,2E9,1E9+a)};
 Blockly.HorizontalFlyout.prototype.reflowInternal_=function(){this.workspace_.scale=this.targetWorkspace_.scale;for(var a=0,b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++)a=Math.max(a,d.getHeightWidth().height);a+=1.5*this.MARGIN;a*=this.workspace_.scale;a+=Blockly.Scrollbar.scrollbarThickness;if(this.height_!=a){for(c=0;d=b[c];c++)d.flyoutRect_&&this.moveRectToBlock_(d.flyoutRect_,d);this.height_=a;this.targetWorkspace_.resize()}};Blockly.VerticalFlyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);Blockly.VerticalFlyout.superClass_.constructor.call(this,a);this.horizontalLayout_=!1};goog.inherits(Blockly.VerticalFlyout,Blockly.Flyout);
 Blockly.VerticalFlyout.prototype.getMetrics_=function(){if(!this.isVisible())return null;try{var a=this.workspace_.getCanvas().getBBox()}catch(e){a={height:0,y:0,width:0,x:0}}var b=this.SCROLLBAR_PADDING,c=this.height_-2*this.SCROLLBAR_PADDING,d=this.width_;this.RTL||(d-=this.SCROLLBAR_PADDING);return{viewHeight:c,viewWidth:d,contentHeight:a.height*this.workspace_.scale+2*this.MARGIN,contentWidth:a.width*this.workspace_.scale+2*this.MARGIN,viewTop:-this.workspace_.scrollY+a.y,viewLeft:-this.workspace_.scrollX,
-contentTop:a.y,contentLeft:a.x,absoluteTop:b,absoluteLeft:0}};Blockly.VerticalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&(goog.isNumber(a.y)&&(this.workspace_.scrollY=-b.contentHeight*a.y),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
+contentTop:a.y,contentLeft:a.x,absoluteTop:b,absoluteLeft:0}};Blockly.VerticalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&("number"==typeof a.y&&(this.workspace_.scrollY=-b.contentHeight*a.y),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
 Blockly.VerticalFlyout.prototype.position=function(){if(this.isVisible()){var a=this.targetWorkspace_.getMetrics();if(a){this.height_=a.viewHeight;this.setBackgroundPath_(this.width_-this.CORNER_RADIUS,a.viewHeight-2*this.CORNER_RADIUS);var b=a.absoluteTop,c=a.absoluteLeft;this.toolboxPosition_==Blockly.TOOLBOX_AT_RIGHT&&(this.leftEdge_=c+=a.viewWidth-this.width_);this.positionAt_(this.width_,this.height_,c,b)}}};
 Blockly.VerticalFlyout.prototype.setBackgroundPath_=function(a,b){var c=this.toolboxPosition_==Blockly.TOOLBOX_AT_RIGHT,d=a+this.CORNER_RADIUS;d=["M "+(c?d:0)+",0"];d.push("h",c?-a:a);d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,c?0:1,c?-this.CORNER_RADIUS:this.CORNER_RADIUS,this.CORNER_RADIUS);d.push("v",Math.max(0,b));d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,c?0:1,c?this.CORNER_RADIUS:-this.CORNER_RADIUS,this.CORNER_RADIUS);d.push("h",c?a:-a);d.push("z");this.svgBackground_.setAttribute("d",
 d.join(" "))};Blockly.VerticalFlyout.prototype.scrollToStart=function(){this.scrollbar_.set(0)};Blockly.VerticalFlyout.prototype.wheel_=function(a){var b=a.deltaY;if(b){goog.userAgent.GECKO&&1===a.deltaMode&&(b*=10);var c=this.getMetrics_();b=c.viewTop-c.contentTop+b;b=Math.min(b,c.contentHeight-c.viewHeight);b=Math.max(b,0);this.scrollbar_.set(b);Blockly.WidgetDiv.hide()}a.preventDefault();a.stopPropagation()};
@@ -1669,12 +1623,12 @@ Blockly.VerticalFlyout.prototype.getClientRect=function(){if(!this.svgGroup_)ret
 Blockly.VerticalFlyout.prototype.reflowInternal_=function(){this.workspace_.scale=this.targetWorkspace_.scale;for(var a=0,b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++){var e=d.getHeightWidth().width;d.outputConnection&&(e-=Blockly.BlockSvg.TAB_WIDTH);a=Math.max(a,e)}for(c=0;d=this.buttons_[c];c++)a=Math.max(a,d.width);a+=1.5*this.MARGIN+Blockly.BlockSvg.TAB_WIDTH;a*=this.workspace_.scale;a+=Blockly.Scrollbar.scrollbarThickness;if(this.width_!=a){for(c=0;d=b[c];c++)this.RTL&&(e=d.getRelativeToSurfaceXY().x,
 d.moveBy(a/this.workspace_.scale-this.MARGIN-Blockly.BlockSvg.TAB_WIDTH-e,0)),d.flyoutRect_&&this.moveRectToBlock_(d.flyoutRect_,d);if(this.RTL)for(c=0;d=this.buttons_[c];c++)b=d.getPosition().y,d.moveTo(a/this.workspace_.scale-d.width-this.MARGIN-Blockly.BlockSvg.TAB_WIDTH,b);this.width_=a;this.targetWorkspace_.resize()}};Blockly.Toolbox=function(a){this.workspace_=a;this.RTL=a.options.RTL;this.horizontalLayout_=a.options.horizontalLayout;this.toolboxPosition=a.options.toolboxPosition;this.config_={indentWidth:19,cssRoot:"blocklyTreeRoot",cssHideRoot:"blocklyHidden",cssItem:"",cssTreeRow:"blocklyTreeRow",cssItemLabel:"blocklyTreeLabel",cssTreeIcon:"blocklyTreeIcon",cssExpandedFolderIcon:"blocklyTreeIconOpen",cssFileIcon:"blocklyTreeIconNone",cssSelectedRow:"blocklyTreeSelected"};this.treeSeparatorConfig_={cssTreeRow:"blocklyTreeSeparator"};
 this.horizontalLayout_&&(this.config_.cssTreeRow+=a.RTL?" blocklyHorizontalTreeRtl":" blocklyHorizontalTree",this.treeSeparatorConfig_.cssTreeRow="blocklyTreeSeparatorHorizontal "+(a.RTL?"blocklyHorizontalTreeRtl":"blocklyHorizontalTree"),this.config_.cssTreeIcon="")};Blockly.Toolbox.prototype.width=0;Blockly.Toolbox.prototype.height=0;Blockly.Toolbox.prototype.selectedOption_=null;Blockly.Toolbox.prototype.lastCategory_=null;
-Blockly.Toolbox.prototype.init=function(){var a=this.workspace_,b=this.workspace_.getParentSvg();this.HtmlDiv=goog.dom.createDom("DIV","blocklyToolboxDiv");this.HtmlDiv.setAttribute("dir",a.RTL?"RTL":"LTR");b.parentNode.insertBefore(this.HtmlDiv,b);Blockly.bindEventWithChecks_(this.HtmlDiv,"mousedown",this,function(a){Blockly.utils.isRightButton(a)||a.target==this.HtmlDiv?Blockly.hideChaff(!1):Blockly.hideChaff(!0);Blockly.Touch.clearTouchIdentifier()},!1,!0);b={disabledPatternId:a.options.disabledPatternId,
-parentWorkspace:a,RTL:a.RTL,oneBasedIndex:a.options.oneBasedIndex,horizontalLayout:a.horizontalLayout,toolboxPosition:a.options.toolboxPosition};this.flyout_=null;this.flyout_=a.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);goog.dom.insertSiblingAfter(this.flyout_.createDom("svg"),this.workspace_.getParentSvg());this.flyout_.init(a);this.config_.cleardotPath=a.options.pathToMedia+"1x1.gif";this.config_.cssCollapsedFolderIcon="blocklyTreeIconClosed"+(a.RTL?"Rtl":"Ltr");
-this.tree_=b=new Blockly.Toolbox.TreeControl(this,this.config_);b.setShowRootNode(!1);b.setShowLines(!1);b.setShowExpandIcons(!1);b.setSelectedItem(null);a=this.populate_(a.options.languageTree);b.render(this.HtmlDiv);a&&b.setSelectedItem(a);this.addColour_();this.position()};Blockly.Toolbox.prototype.dispose=function(){this.flyout_.dispose();this.tree_.dispose();goog.dom.removeNode(this.HtmlDiv);this.lastCategory_=this.workspace_=null};Blockly.Toolbox.prototype.getWidth=function(){return this.width};
+Blockly.Toolbox.prototype.init=function(){var a=this.workspace_,b=this.workspace_.getParentSvg();this.HtmlDiv=document.createElement("div");this.HtmlDiv.className="blocklyToolboxDiv";this.HtmlDiv.setAttribute("dir",a.RTL?"RTL":"LTR");b.parentNode.insertBefore(this.HtmlDiv,b);Blockly.bindEventWithChecks_(this.HtmlDiv,"mousedown",this,function(a){Blockly.utils.isRightButton(a)||a.target==this.HtmlDiv?Blockly.hideChaff(!1):Blockly.hideChaff(!0);Blockly.Touch.clearTouchIdentifier()},!1,!0);b={disabledPatternId:a.options.disabledPatternId,
+parentWorkspace:a,RTL:a.RTL,oneBasedIndex:a.options.oneBasedIndex,horizontalLayout:a.horizontalLayout,toolboxPosition:a.options.toolboxPosition};this.flyout_=null;this.flyout_=a.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);Blockly.utils.insertAfter(this.flyout_.createDom("svg"),this.workspace_.getParentSvg());this.flyout_.init(a);this.config_.cleardotPath=a.options.pathToMedia+"1x1.gif";this.config_.cssCollapsedFolderIcon="blocklyTreeIconClosed"+(a.RTL?"Rtl":"Ltr");
+this.tree_=b=new Blockly.Toolbox.TreeControl(this,this.config_);b.setShowRootNode(!1);b.setShowLines(!1);b.setShowExpandIcons(!1);b.setSelectedItem(null);a=this.populate_(a.options.languageTree);b.render(this.HtmlDiv);a&&b.setSelectedItem(a);this.addColour_();this.position()};Blockly.Toolbox.prototype.dispose=function(){this.flyout_.dispose();this.tree_.dispose();this.HtmlDiv.parentNode.removeChild(this.HtmlDiv);this.lastCategory_=this.workspace_=null};Blockly.Toolbox.prototype.getWidth=function(){return this.width};
 Blockly.Toolbox.prototype.getHeight=function(){return this.height};
 Blockly.Toolbox.prototype.position=function(){var a=this.HtmlDiv;if(a){var b=this.workspace_.getParentSvg();b=Blockly.svgSize(b);this.horizontalLayout_?(a.style.left="0",a.style.height="auto",a.style.width=b.width+"px",this.height=a.offsetHeight,this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?a.style.top="0":a.style.bottom="0"):(this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT?a.style.right="0":a.style.left="0",a.style.height=b.height+"px",this.width=a.offsetWidth);this.flyout_.position()}};
-Blockly.Toolbox.prototype.populate_=function(a){this.tree_.removeChildren();this.tree_.blocks=[];this.hasColours_=!1;a=this.syncTrees_(a,this.tree_,this.workspace_.options.pathToMedia);if(this.tree_.blocks.length)throw"Toolbox cannot have both blocks and categories in the root level.";this.workspace_.resizeContents();return a};
+Blockly.Toolbox.prototype.populate_=function(a){this.tree_.removeChildren();this.tree_.blocks=[];this.hasColours_=!1;a=this.syncTrees_(a,this.tree_,this.workspace_.options.pathToMedia);if(this.tree_.blocks.length)throw Error("Toolbox cannot have both blocks and categories in the root level.");this.workspace_.resizeContents();return a};
 Blockly.Toolbox.prototype.syncTrees_=function(a,b,c){for(var d=null,e=null,f=0,g;g=a.childNodes[f];f++)if(g.tagName)switch(g.tagName.toUpperCase()){case "CATEGORY":e=Blockly.utils.replaceMessageReferences(g.getAttribute("name"));var h=this.tree_.createNode(e);h.blocks=[];b.add(h);var k=g.getAttribute("custom");k?h.blocks=k:(k=this.syncTrees_(g,h,c))&&(d=k);k=Blockly.utils.replaceMessageReferences(g.getAttribute("colour"));null===k||""===k?h.hexColour="":/^#[0-9a-fA-F]{6}$/.test(k)?(h.hexColour=k,
 this.hasColours_=!0):"number"===typeof k||"string"===typeof k&&!isNaN(Number(k))?(h.hexColour=Blockly.hueToRgb(Number(k)),this.hasColours_=!0):(h.hexColour="",console.warn('Toolbox category "'+e+'" has unrecognized colour attribute: '+k));"true"==g.getAttribute("expanded")?(h.blocks.length&&(d=h),h.setExpanded(!0)):h.setExpanded(!1);e=g;break;case "SEP":e&&("CATEGORY"==e.tagName.toUpperCase()?b.add(new Blockly.Toolbox.TreeSeparator(this.treeSeparatorConfig_)):(g=parseFloat(g.getAttribute("gap")),
 !isNaN(g)&&e&&e.setAttribute("gap",g)));break;case "BLOCK":case "SHADOW":case "LABEL":case "BUTTON":b.blocks.push(g),e=g}return d};Blockly.Toolbox.prototype.addColour_=function(a){a=(a||this.tree_).getChildren(!1);for(var b=0,c;c=a[b];b++){var d=c.getRowElement();if(d){var e=this.hasColours_?"8px solid "+(c.hexColour||"#ddd"):"none";this.workspace_.RTL?d.style.borderRight=e:d.style.borderLeft=e}this.addColour_(c)}};Blockly.Toolbox.prototype.clearSelection=function(){this.tree_.setSelectedItem(null)};
@@ -1690,44 +1644,43 @@ Blockly.Toolbox.TreeNode.prototype.onKeyDown=function(a){if(this.tree.toolbox_.h
 Blockly.Toolbox.TreeSeparator=function(a){Blockly.Toolbox.TreeNode.call(this,null,goog.html.SafeHtml.EMPTY,a)};goog.inherits(Blockly.Toolbox.TreeSeparator,Blockly.Toolbox.TreeNode);Blockly.Css={};Blockly.Css.Cursor={OPEN:"handopen",CLOSED:"handclosed",DELETE:"handdelete"};Blockly.Css.currentCursor_="";Blockly.Css.styleSheet_=null;Blockly.Css.mediaPath_="";
 Blockly.Css.inject=function(a,b){if(!Blockly.Css.styleSheet_){var c=".blocklyDraggable {}\n";a&&(c+=Blockly.Css.CONTENT.join("\n"),Blockly.FieldDate&&(c+=Blockly.FieldDate.CSS.join("\n")));Blockly.Css.mediaPath_=b.replace(/[\\\/]$/,"");c=c.replace(/<<<PATH>>>/g,Blockly.Css.mediaPath_);a=document.createElement("style");document.head.insertBefore(a,document.head.firstChild);c=document.createTextNode(c);a.appendChild(c);Blockly.Css.styleSheet_=a.sheet}};Blockly.Css.setCursor=function(a){console.warn("Deprecated call to Blockly.Css.setCursor.See https://github.com/google/blockly/issues/981 for context")};
 Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;","overflow: hidden;","position: absolute;","display: block;","}",".blocklyWidgetDiv {","display: none;","position: absolute;","z-index: 99999;","}",".injectionDiv {","height: 100%;","position: relative;","overflow: hidden;","touch-action: none","}",".blocklyNonSelectable {","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","}",".blocklyWsDragSurface {","display: none;",
-"position: absolute;","top: 0;","left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);","color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;",
-"padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;","stroke-width: 1;","}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {",
-"display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;",
-"cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxGrab {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {","fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;",
-"}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;","}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;","font-size: 11pt;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {","fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {",
-"fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklyFlyoutButton {","fill: #888;","cursor: default;","}",".blocklyFlyoutButtonShadow {","fill: #666;","}",".blocklyFlyoutButton:hover {","fill: #aaa;","}",".blocklyFlyoutLabel {","cursor: default;","}",".blocklyFlyoutLabelBackground {","opacity: 0;","}",".blocklyFlyoutLabelText {","fill: #000;","}",".blocklySvg text, .blocklyBlockDragSurface text {",
-"user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;","}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {",
-"margin: 0;","padding: 0;","}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;","}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",
-".blocklySelected>.blocklyCommentTarget {","stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {","display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {",
-"stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0 1px;","width: 100%","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyTransparentBackground {","opacity: 0;","}",".blocklyMainWorkspaceScrollbar {","z-index: 20;",
-"}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {","fill: #bbb;","}",".blocklyZoom>image {","opacity: .4;","}",".blocklyZoom>image:hover {","opacity: .6;","}",".blocklyZoom>image:active {","opacity: .8;","}",
-".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyAngleCircle {","stroke: #444;","stroke-width: 1;","fill: #ddd;","fill-opacity: .8;","}",".blocklyAngleMarks {","stroke: #444;","stroke-width: 1;","}",".blocklyAngleGauge {","fill: #f88;","fill-opacity: .8;","}",".blocklyAngleLine {","stroke: #f00;",
-"stroke-width: 2;","stroke-linecap: round;","pointer-events: none;","}",".blocklyContextMenu {","border-radius: 4px;","}",".blocklyDropdownMenu {","padding: 0 !important;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px !important;","}",".blocklyToolboxDiv {","background-color: #ddd;","overflow-x: visible;","overflow-y: auto;","position: absolute;",
-"user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","z-index: 70;","-webkit-tap-highlight-color: transparent;","}",".blocklyTreeRoot {","padding: 4px 0;","}",".blocklyTreeRoot:focus {","outline: none;","}",".blocklyTreeRow {","height: 22px;","line-height: 22px;","margin-bottom: 3px;","padding-right: 8px;","white-space: nowrap;","}",".blocklyHorizontalTree {","float: left;","margin: 1px 5px 8px 0;","}",".blocklyHorizontalTreeRtl {","float: right;","margin: 1px 0 8px 5px;",
-"}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',"margin-left: 8px;","}",".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: #e4e4e4;","}",".blocklyTreeSeparator {","border-bottom: solid #e5e5e5 1px;","height: 0;","margin: 5px 0;","}",".blocklyTreeSeparatorHorizontal {","border-right: solid #e5e5e5 1px;","width: 0;","padding: 5px 0;","margin: 0 5px;","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","width: 16px;",
-"}",".blocklyTreeIconClosedLtr {","background-position: -32px -1px;","}",".blocklyTreeIconClosedRtl {","background-position: 0 -1px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedLtr {","background-position: -32px -17px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedRtl {","background-position: 0 -17px;","}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeIconNone,",".blocklyTreeSelected>.blocklyTreeIconNone {",
-"background-position: -48px -1px;","}",".blocklyTreeLabel {","cursor: default;","font-family: sans-serif;","font-size: 16px;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}",".blocklyWidgetDiv .goog-palette {","outline: none;","cursor: default;","}",".blocklyWidgetDiv .goog-palette-table {","border: 1px solid #666;","border-collapse: collapse;",
-"}",".blocklyWidgetDiv .goog-palette-cell {","height: 13px;","width: 15px;","margin: 0;","border: 0;","text-align: center;","vertical-align: middle;","border-right: 1px solid #666;","font-size: 1px;","}",".blocklyWidgetDiv .goog-palette-colorswatch {","position: relative;","height: 13px;","width: 15px;","border: 1px solid #666;","}",".blocklyWidgetDiv .goog-palette-cell-hover .goog-palette-colorswatch {","border: 1px solid #FFF;","}",".blocklyWidgetDiv .goog-palette-cell-selected .goog-palette-colorswatch {",
-"border: 1px solid #000;","color: #fff;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;","cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;",
-"margin: 0;","padding: 4px 7em 4px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl {","padding-left: 7em;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,",
-".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 3px;","padding-top: 3px;","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon {",
-"background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;",
-"}",".blocklyWidgetDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {","left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {",
-"border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=goog.dom.createDom("DIV","blocklyWidgetDiv"),document.body.appendChild(Blockly.WidgetDiv.DIV))};
+"position: absolute;","top: 0;","left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyBlockCanvas.blocklyCanvasTransitioning,",".blocklyBubbleCanvas.blocklyCanvasTransitioning {","transition: transform .5s;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
+"color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;","padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;","stroke-width: 1;",
+"}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {","display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;",
+"}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxGrab {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {",
+"fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;","}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;","}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;","font-size: 11pt;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {",
+"fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {","fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklyFlyoutButton {","fill: #888;","cursor: default;","}",".blocklyFlyoutButtonShadow {","fill: #666;","}",".blocklyFlyoutButton:hover {","fill: #aaa;","}",".blocklyFlyoutLabel {","cursor: default;","}",
+".blocklyFlyoutLabelBackground {","opacity: 0;","}",".blocklyFlyoutLabelText {","fill: #000;","}",".blocklySvg text, .blocklyBlockDragSurface text {","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;",
+"}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {","margin: 0;","padding: 0;","}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;",
+"}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",".blocklySelected>.blocklyCommentTarget {","stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {",
+"display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {","stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0 1px;","width: 100%","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",
+".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyTransparentBackground {","opacity: 0;","}",".blocklyMainWorkspaceScrollbar {","z-index: 20;","}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {",
+"fill: #bbb;","}",".blocklyZoom>image {","opacity: .4;","}",".blocklyZoom>image:hover {","opacity: .6;","}",".blocklyZoom>image:active {","opacity: .8;","}",".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyAngleCircle {","stroke: #444;","stroke-width: 1;","fill: #ddd;","fill-opacity: .8;",
+"}",".blocklyAngleMarks {","stroke: #444;","stroke-width: 1;","}",".blocklyAngleGauge {","fill: #f88;","fill-opacity: .8;","}",".blocklyAngleLine {","stroke: #f00;","stroke-width: 2;","stroke-linecap: round;","pointer-events: none;","}",".blocklyContextMenu {","border-radius: 4px;","}",".blocklyDropdownMenu {","padding: 0 !important;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px !important;",
+"}",".blocklyToolboxDiv {","background-color: #ddd;","overflow-x: visible;","overflow-y: auto;","position: absolute;","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","z-index: 70;","-webkit-tap-highlight-color: transparent;","}",".blocklyTreeRoot {","padding: 4px 0;","}",".blocklyTreeRoot:focus {","outline: none;","}",".blocklyTreeRow {","height: 22px;","line-height: 22px;","margin-bottom: 3px;","padding-right: 8px;","white-space: nowrap;","}",
+".blocklyHorizontalTree {","float: left;","margin: 1px 5px 8px 0;","}",".blocklyHorizontalTreeRtl {","float: right;","margin: 1px 0 8px 5px;","}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',"margin-left: 8px;","}",".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: #e4e4e4;","}",".blocklyTreeSeparator {","border-bottom: solid #e5e5e5 1px;","height: 0;","margin: 5px 0;","}",".blocklyTreeSeparatorHorizontal {","border-right: solid #e5e5e5 1px;","width: 0;","padding: 5px 0;",
+"margin: 0 5px;","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","width: 16px;","}",".blocklyTreeIconClosedLtr {","background-position: -32px -1px;","}",".blocklyTreeIconClosedRtl {","background-position: 0 -1px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedLtr {","background-position: -32px -17px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedRtl {","background-position: 0 -17px;",
+"}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeIconNone,",".blocklyTreeSelected>.blocklyTreeIconNone {","background-position: -48px -1px;","}",".blocklyTreeLabel {","cursor: default;","font-family: sans-serif;","font-size: 16px;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}",".blocklyColourTable {",
+"border-collapse: collapse;","}",".blocklyColourTable>tr>td {","border: 1px solid #666;","padding: 0;","}",".blocklyColourTable>tr>td>div {","border: 1px solid #666;","height: 13px;","width: 15px;","}",".blocklyColourTable>tr>td>div:hover {","border: 1px solid #fff;","}",".blocklyColourSelected, .blocklyColourSelected:hover {","border: 1px solid #000 !important;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;",
+"cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;","padding: 4px 7em 4px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl {","padding-left: 7em;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",
+".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;",
+"filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 3px;","padding-top: 3px;","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",
+".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;","}",".blocklyWidgetDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {",
+"left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
 Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=goog.style.getViewportPageOffset(document);Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
-Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,goog.dom.removeChildren(Blockly.WidgetDiv.DIV))};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
+Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,Blockly.WidgetDiv.DIV.innerHTML="")};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
 Blockly.WidgetDiv.position=function(a,b,c,d,e){b<d.y&&(b=d.y);e?a>c.width+d.x&&(a=c.width+d.x):a<d.x&&(a=d.x);Blockly.WidgetDiv.positionInternal_(a,b,c.height)};Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};
 Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);Blockly.WidgetDiv.positionInternal_(a,e,c.height)};Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.BlockDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.BlockDragSurfaceSvg.prototype.SVG_=null;Blockly.BlockDragSurfaceSvg.prototype.dragGroup_=null;Blockly.BlockDragSurfaceSvg.prototype.container_=null;Blockly.BlockDragSurfaceSvg.prototype.scale_=1;Blockly.BlockDragSurfaceSvg.prototype.surfaceXY_=null;
 Blockly.BlockDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.createSvgElement("svg",{xmlns:Blockly.SVG_NS,"xmlns:html":Blockly.HTML_NS,"xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklyBlockDragSurface"},this.container_),this.dragGroup_=Blockly.utils.createSvgElement("g",{},this.SVG_))};
-Blockly.BlockDragSurfaceSvg.prototype.setBlocksAndShow=function(a){goog.asserts.assert(0==this.dragGroup_.childNodes.length,"Already dragging a block.");this.dragGroup_.appendChild(a);this.SVG_.style.display="block";this.surfaceXY_=new goog.math.Coordinate(0,0)};Blockly.BlockDragSurfaceSvg.prototype.translateAndScaleGroup=function(a,b,c){this.scale_=c;a=a.toFixed(0);b=b.toFixed(0);this.dragGroup_.setAttribute("transform","translate("+a+","+b+") scale("+c+")")};
+Blockly.BlockDragSurfaceSvg.prototype.setBlocksAndShow=function(a){if(this.dragGroup_.childNodes.length)throw Error("Already dragging a block.");this.dragGroup_.appendChild(a);this.SVG_.style.display="block";this.surfaceXY_=new goog.math.Coordinate(0,0)};Blockly.BlockDragSurfaceSvg.prototype.translateAndScaleGroup=function(a,b,c){this.scale_=c;a=a.toFixed(0);b=b.toFixed(0);this.dragGroup_.setAttribute("transform","translate("+a+","+b+") scale("+c+")")};
 Blockly.BlockDragSurfaceSvg.prototype.translateSurfaceInternal_=function(){var a=this.surfaceXY_.x,b=this.surfaceXY_.y;a=a.toFixed(0);b=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.setCssTransform(this.SVG_,"translate3d("+a+"px, "+b+"px, 0px)")};Blockly.BlockDragSurfaceSvg.prototype.translateSurface=function(a,b){this.surfaceXY_=new goog.math.Coordinate(a*this.scale_,b*this.scale_);this.translateSurfaceInternal_()};
 Blockly.BlockDragSurfaceSvg.prototype.getSurfaceTranslation=function(){var a=Blockly.utils.getRelativeXY(this.SVG_);return new goog.math.Coordinate(a.x/this.scale_,a.y/this.scale_)};Blockly.BlockDragSurfaceSvg.prototype.getGroup=function(){return this.dragGroup_};Blockly.BlockDragSurfaceSvg.prototype.getCurrentBlock=function(){return this.dragGroup_.firstChild};
-Blockly.BlockDragSurfaceSvg.prototype.clearAndHide=function(a){a?a.appendChild(this.getCurrentBlock()):this.dragGroup_.removeChild(this.getCurrentBlock());this.SVG_.style.display="none";goog.asserts.assert(0==this.dragGroup_.childNodes.length,"Drag group was not cleared.");this.surfaceXY_=null};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();goog.isString(a)&&(a=document.getElementById(a)||document.querySelector(a));if(!goog.dom.contains(document,a))throw"Error: container is not in current document.";b=new Blockly.Options(b||{});var c=goog.dom.createDom("DIV","injectionDiv");a.appendChild(c);a=Blockly.createDom_(c,b);var d=new Blockly.BlockDragSurfaceSvg(c);c=new Blockly.WorkspaceDragSurfaceSvg(c);b=Blockly.createMainWorkspace_(a,b,d,c);Blockly.init_(b);Blockly.mainWorkspace=
-b;Blockly.svgResize(b);return b};
+Blockly.BlockDragSurfaceSvg.prototype.clearAndHide=function(a){a?a.appendChild(this.getCurrentBlock()):this.dragGroup_.removeChild(this.getCurrentBlock());this.SVG_.style.display="none";if(this.dragGroup_.childNodes.length)throw Error("Drag group was not cleared.");this.surfaceXY_=null};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!Blockly.utils.containsNode(document,a))throw Error("Error: container is not in current document.");b=new Blockly.Options(b||{});var c=document.createElement("div");c.className="injectionDiv";a.appendChild(c);a=Blockly.createDom_(c,b);var d=new Blockly.BlockDragSurfaceSvg(c);c=new Blockly.WorkspaceDragSurfaceSvg(c);b=Blockly.createMainWorkspace_(a,b,d,c);
+Blockly.init_(b);Blockly.mainWorkspace=b;Blockly.svgResize(b);return b};
 Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");goog.ui.Component.setDefaultRightToLeft(b.RTL);Blockly.Css.inject(b.hasCss,b.pathToMedia);a=Blockly.utils.createSvgElement("svg",{xmlns:"http://www.w3.org/2000/svg","xmlns:html":"http://www.w3.org/1999/xhtml","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklySvg"},a);var c=Blockly.utils.createSvgElement("defs",{},a),d=String(Math.random()).substring(2),e=Blockly.utils.createSvgElement("filter",{id:"blocklyEmbossFilter"+
 d},c);Blockly.utils.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",stdDeviation:1,result:"blur"},e);var f=Blockly.utils.createSvgElement("feSpecularLighting",{"in":"blur",surfaceScale:1,specularConstant:.5,specularExponent:10,"lighting-color":"white",result:"specOut"},e);Blockly.utils.createSvgElement("fePointLight",{x:-5E3,y:-1E4,z:2E4},f);Blockly.utils.createSvgElement("feComposite",{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},e);Blockly.utils.createSvgElement("feComposite",
 {"in":"SourceGraphic",in2:"specOut",operator:"arithmetic",k1:0,k2:1,k3:1,k4:0},e);b.embossFilterId=e.id;e=Blockly.utils.createSvgElement("pattern",{id:"blocklyDisabledPattern"+d,patternUnits:"userSpaceOnUse",width:10,height:10},c);Blockly.utils.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},e);Blockly.utils.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},e);b.disabledPatternId=e.id;b.gridPattern=Blockly.Grid.createDom(d,b.gridOptions,c);return a};
-Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));!b.hasCategories&&b.languageTree&&(c=e.addFlyout_("svg"),Blockly.utils.insertAfter_(c,a));e.translate(0,0);Blockly.mainWorkspace=e;b.readOnly||b.hasScrollbars||e.addChangeListener(function(){if(!e.isDragging()){var a=e.getMetrics(),c=a.viewLeft+a.absoluteLeft,d=a.viewTop+a.absoluteTop;if(a.contentTop<d||a.contentTop+
+Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));!b.hasCategories&&b.languageTree&&(c=e.addFlyout_("svg"),Blockly.utils.insertAfter(c,a));e.translate(0,0);Blockly.mainWorkspace=e;b.readOnly||b.hasScrollbars||e.addChangeListener(function(){if(!e.isDragging()){var a=e.getMetrics(),c=a.viewLeft+a.absoluteLeft,d=a.viewTop+a.absoluteTop;if(a.contentTop<d||a.contentTop+
 a.contentHeight>a.viewHeight+d||a.contentLeft<(b.RTL?a.viewLeft:c)||a.contentLeft+a.contentWidth>(b.RTL?a.viewWidth:a.viewWidth+c))for(var k=e.getTopBlocks(!1),l=0,n;n=k[l];l++){var m=n.getRelativeToSurfaceXY(),p=n.getHeightWidth(),q=d+25-p.height-m.y;0<q&&n.moveBy(0,q);q=d+a.viewHeight-25-m.y;0>q&&n.moveBy(0,q);q=25+c-m.x-(b.RTL?0:p.width);0<q&&n.moveBy(q,0);m=c+a.viewWidth-25-m.x+(b.RTL?p.width:0);0>m&&n.moveBy(m,0)}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();
 return e};
 Blockly.init_=function(a){var b=a.options,c=a.getParentSvg();Blockly.bindEventWithChecks_(c.parentNode,"contextmenu",null,function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()});c=Blockly.bindEventWithChecks_(window,"resize",null,function(){Blockly.hideChaff(!0);Blockly.svgResize(a)});a.setResizeHandlerWrapper(c);Blockly.inject.bindDocumentEvents_();b.languageTree&&(a.toolbox_?a.toolbox_.init(a):a.flyout_&&(a.flyout_.init(a),a.flyout_.show(b.languageTree.childNodes),a.flyout_.scrollToStart(),a.scrollX=
@@ -1736,9 +1689,9 @@ Blockly.inject.bindDocumentEvents_=function(){Blockly.documentEventsBound_||(Blo
 Blockly.inject.loadSounds_=function(a,b){var c=b.getAudioManager();c.load([a+"click.mp3",a+"click.wav",a+"click.ogg"],"click");c.load([a+"disconnect.wav",a+"disconnect.mp3",a+"disconnect.ogg"],"disconnect");c.load([a+"delete.mp3",a+"delete.ogg",a+"delete.wav"],"delete");var d=[];a=function(){for(;d.length;)Blockly.unbindEvent_(d.pop());c.preload()};d.push(Blockly.bindEventWithChecks_(document,"mousemove",null,a,!0));d.push(Blockly.bindEventWithChecks_(document,"touchstart",null,a,!0))};
 Blockly.updateToolbox=function(a){console.warn("Deprecated call to Blockly.updateToolbox, use workspace.updateToolbox instead.");Blockly.getMainWorkspace().updateToolbox(a)};var CLOSURE_DEFINES={"goog.DEBUG":!1};Blockly.mainWorkspace=null;Blockly.selected=null;Blockly.draggingConnections_=[];Blockly.clipboardXml_=null;Blockly.clipboardSource_=null;Blockly.cache3dSupported_=null;Blockly.hueToRgb=function(a){return goog.color.hsvToHex(a,Blockly.HSV_SATURATION,255*Blockly.HSV_VALUE)};Blockly.svgSize=function(a){return{width:a.cachedWidth_,height:a.cachedHeight_}};Blockly.resizeSvgContents=function(a){a.resizeContents()};
 Blockly.svgResize=function(a){for(;a.options.parentWorkspace;)a=a.options.parentWorkspace;var b=a.getParentSvg(),c=b.parentNode;if(c){var d=c.offsetWidth;c=c.offsetHeight;b.cachedWidth_!=d&&(b.setAttribute("width",d+"px"),b.cachedWidth_=d);b.cachedHeight_!=c&&(b.setAttribute("height",c+"px"),b.cachedHeight_=c);a.resize()}};
-Blockly.onKeyDown_=function(a){if(!Blockly.mainWorkspace.options.readOnly&&!Blockly.utils.isTargetInput(a)){var b=!1;if(27==a.keyCode)Blockly.hideChaff();else if(8==a.keyCode||46==a.keyCode){a.preventDefault();if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&(b=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&Blockly.selected.isMovable()&&(67==a.keyCode?(Blockly.hideChaff(),
-Blockly.copy_(Blockly.selected)):88!=a.keyCode||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),b=!0));86==a.keyCode?Blockly.clipboardXml_&&(Blockly.Events.setGroup(!0),a=Blockly.clipboardSource_,a.isFlyout&&(a=a.targetWorkspace),a.paste(Blockly.clipboardXml_),Blockly.Events.setGroup(!1)):90==a.keyCode&&(Blockly.hideChaff(),Blockly.mainWorkspace.undo(a.shiftKey))}b&&!Blockly.selected.workspace.isFlyout&&(Blockly.Events.setGroup(!0),Blockly.hideChaff(),Blockly.selected.dispose(!0,
-!0),Blockly.Events.setGroup(!1))}};Blockly.copy_=function(a){if(a.isComment)var b=a.toXmlWithXY();else{b=Blockly.Xml.blockToDom(a);Blockly.Xml.deleteNext(b);var c=a.getRelativeToSurfaceXY();b.setAttribute("x",a.RTL?-c.x:c.x);b.setAttribute("y",c.y)}Blockly.clipboardXml_=b;Blockly.clipboardSource_=a.workspace};
+Blockly.onKeyDown_=function(a){if(!(Blockly.mainWorkspace.options.readOnly||Blockly.utils.isTargetInput(a)||Blockly.mainWorkspace.rendered&&!Blockly.mainWorkspace.isVisible())){var b=!1;if(27==a.keyCode)Blockly.hideChaff();else if(8==a.keyCode||46==a.keyCode){a.preventDefault();if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&(b=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&
+Blockly.selected.isMovable()&&(67==a.keyCode?(Blockly.hideChaff(),Blockly.copy_(Blockly.selected)):88!=a.keyCode||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),b=!0));86==a.keyCode?Blockly.clipboardXml_&&(Blockly.Events.setGroup(!0),a=Blockly.clipboardSource_,a.isFlyout&&(a=a.targetWorkspace),a.paste(Blockly.clipboardXml_),Blockly.Events.setGroup(!1)):90==a.keyCode&&(Blockly.hideChaff(),Blockly.mainWorkspace.undo(a.shiftKey))}b&&!Blockly.selected.workspace.isFlyout&&(Blockly.Events.setGroup(!0),
+Blockly.hideChaff(),Blockly.selected.dispose(!0,!0),Blockly.Events.setGroup(!1))}};Blockly.copy_=function(a){if(a.isComment)var b=a.toXmlWithXY();else{b=Blockly.Xml.blockToDom(a);Blockly.Xml.deleteNext(b);var c=a.getRelativeToSurfaceXY();b.setAttribute("x",a.RTL?-c.x:c.x);b.setAttribute("y",c.y)}Blockly.clipboardXml_=b;Blockly.clipboardSource_=a.workspace};
 Blockly.duplicate_=function(a){var b=Blockly.clipboardXml_,c=Blockly.clipboardSource_;Blockly.copy_(a);a.workspace.paste(Blockly.clipboardXml_);Blockly.clipboardXml_=b;Blockly.clipboardSource_=c};Blockly.onContextMenu_=function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()};Blockly.hideChaff=function(a){Blockly.Tooltip.hide();Blockly.WidgetDiv.hide();a||(a=Blockly.getMainWorkspace(),a.toolbox_&&a.toolbox_.flyout_&&a.toolbox_.flyout_.autoClose&&a.toolbox_.clearSelection())};
 Blockly.addChangeListener=function(a){console.warn("Deprecated call to Blockly.addChangeListener, use workspace.addChangeListener instead.");return Blockly.getMainWorkspace().addChangeListener(a)};Blockly.getMainWorkspace=function(){return Blockly.mainWorkspace};Blockly.alert=function(a,b){window.alert(a);b&&b()};Blockly.confirm=function(a,b){b(window.confirm(a))};Blockly.prompt=function(a,b,c){c(window.prompt(a,b))};Blockly.jsonInitFactory_=function(a){return function(){this.jsonInit(a)}};
 Blockly.defineBlocksWithJsonArray=function(a){for(var b=0;b<a.length;b++){var c=a[b];if(c){var d=c.type;null==d||""===d?console.warn("Block definition #"+b+" in JSON array is missing a type attribute. Skipping."):(Blockly.Blocks[d]&&console.warn("Block definition #"+b+' in JSON array overwrites prior definition of "'+d+'".'),Blockly.Blocks[d]={init:Blockly.jsonInitFactory_(c)})}else console.warn("Block definition #"+b+" in JSON array is "+c+". Skipping.")}};
diff --git a/blockly_accessible_uncompressed.js b/blockly_accessible_uncompressed.js
index dfbc2b178..9a8981112 100644
--- a/blockly_accessible_uncompressed.js
+++ b/blockly_accessible_uncompressed.js
@@ -84,7 +84,7 @@ goog.addDependency("../../../" + dir + "/core/extensions.js", ['Blockly.Extensio
 goog.addDependency("../../../" + dir + "/core/field.js", ['Blockly.Field'], ['Blockly.Events.BlockChange', 'Blockly.Gesture', 'Blockly.utils', 'goog.math.Size', 'goog.style', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_angle.js", ['Blockly.FieldAngle'], ['Blockly.FieldTextInput', 'Blockly.utils', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_checkbox.js", ['Blockly.FieldCheckbox'], ['Blockly.Field', 'Blockly.utils']);
-goog.addDependency("../../../" + dir + "/core/field_colour.js", ['Blockly.FieldColour'], ['Blockly.Field', 'Blockly.utils', 'goog.events', 'goog.style', 'goog.ui.ColorPicker']);
+goog.addDependency("../../../" + dir + "/core/field_colour.js", ['Blockly.FieldColour'], ['Blockly.Field', 'Blockly.utils', 'goog.style']);
 goog.addDependency("../../../" + dir + "/core/field_date.js", ['Blockly.FieldDate'], ['Blockly.Field', 'Blockly.utils', 'goog.date', 'goog.date.DateTime', 'goog.events', 'goog.i18n.DateTimeSymbols', 'goog.i18n.DateTimeSymbols_he', 'goog.style', 'goog.ui.DatePicker']);
 goog.addDependency("../../../" + dir + "/core/field_dropdown.js", ['Blockly.FieldDropdown'], ['Blockly.Field', 'Blockly.utils', 'Blockly.utils.uiMenu', 'goog.events', 'goog.ui.Menu', 'goog.ui.MenuItem', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_image.js", ['Blockly.FieldImage'], ['Blockly.Field', 'Blockly.utils', 'goog.math.Size']);
@@ -101,7 +101,7 @@ goog.addDependency("../../../" + dir + "/core/generator.js", ['Blockly.Generator
 goog.addDependency("../../../" + dir + "/core/gesture.js", ['Blockly.Gesture'], ['Blockly.BlockAnimations', 'Blockly.BlockDragger', 'Blockly.BubbleDragger', 'Blockly.constants', 'Blockly.Events.Ui', 'Blockly.FlyoutDragger', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.utils', 'Blockly.WorkspaceDragger', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/grid.js", ['Blockly.Grid'], ['Blockly.utils', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/icon.js", ['Blockly.Icon'], ['Blockly.utils', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/inject.js", ['Blockly.inject'], ['Blockly.BlockDragSurfaceSvg', 'Blockly.Css', 'Blockly.Grid', 'Blockly.Options', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'Blockly.WorkspaceDragSurfaceSvg', 'goog.dom', 'goog.ui.Component', 'goog.userAgent']);
+goog.addDependency("../../../" + dir + "/core/inject.js", ['Blockly.inject'], ['Blockly.BlockDragSurfaceSvg', 'Blockly.Css', 'Blockly.Grid', 'Blockly.Options', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'Blockly.WorkspaceDragSurfaceSvg', 'goog.ui.Component', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/input.js", ['Blockly.Input'], ['Blockly.Connection', 'Blockly.FieldLabel']);
 goog.addDependency("../../../" + dir + "/core/msg.js", ['Blockly.Msg'], []);
 goog.addDependency("../../../" + dir + "/core/mutator.js", ['Blockly.Mutator'], ['Blockly.Bubble', 'Blockly.Events.BlockChange', 'Blockly.Events.Ui', 'Blockly.Icon', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'goog.dom']);
@@ -110,7 +110,7 @@ goog.addDependency("../../../" + dir + "/core/options.js", ['Blockly.Options'],
 goog.addDependency("../../../" + dir + "/core/procedures.js", ['Blockly.Procedures'], ['Blockly.Blocks', 'Blockly.constants', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.Names', 'Blockly.Workspace', 'goog.dom']);
 goog.addDependency("../../../" + dir + "/core/rendered_connection.js", ['Blockly.RenderedConnection'], ['Blockly.Connection', 'Blockly.utils', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/scrollbar.js", ['Blockly.Scrollbar', 'Blockly.ScrollbarPair'], ['Blockly.utils', 'goog.events.BrowserFeature', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Events.Ui', 'Blockly.Flyout', 'Blockly.HorizontalFlyout', 'Blockly.Touch', 'Blockly.utils', 'Blockly.VerticalFlyout', 'goog.dom', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
+goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Events.Ui', 'Blockly.Flyout', 'Blockly.HorizontalFlyout', 'Blockly.Touch', 'Blockly.utils', 'Blockly.VerticalFlyout', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
 goog.addDependency("../../../" + dir + "/core/tooltip.js", ['Blockly.Tooltip'], ['Blockly.utils', 'goog.dom']);
 goog.addDependency("../../../" + dir + "/core/touch.js", ['Blockly.Touch'], ['Blockly.utils', 'goog.events.BrowserFeature']);
 goog.addDependency("../../../" + dir + "/core/touch_gesture.js", ['Blockly.TouchGesture'], ['Blockly.Gesture', 'Blockly.utils', 'goog.math.Coordinate']);
@@ -129,7 +129,7 @@ goog.addDependency("../../../" + dir + "/core/workspace.js", ['Blockly.Workspace
 goog.addDependency("../../../" + dir + "/core/workspace_audio.js", ['Blockly.WorkspaceAudio'], ['goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/workspace_comment.js", ['Blockly.WorkspaceComment'], ['Blockly.Events.CommentChange', 'Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'goog.dom', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_comment_render_svg.js", ['Blockly.WorkspaceCommentSvg.render'], ['Blockly.utils', 'Blockly.WorkspaceCommentSvg', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/workspace_comment_svg.js", ['Blockly.WorkspaceCommentSvg'], ['Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.WorkspaceComment', 'goog.dom', 'goog.math.Coordinate']);
+goog.addDependency("../../../" + dir + "/core/workspace_comment_svg.js", ['Blockly.WorkspaceCommentSvg'], ['Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.WorkspaceComment', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_drag_surface_svg.js", ['Blockly.WorkspaceDragSurfaceSvg'], ['Blockly.utils']);
 goog.addDependency("../../../" + dir + "/core/workspace_dragger.js", ['Blockly.WorkspaceDragger'], ['goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_svg.js", ['Blockly.WorkspaceSvg'], ['Blockly.ConnectionDB', 'Blockly.constants', 'Blockly.Events.BlockCreate', 'Blockly.Gesture', 'Blockly.Grid', 'Blockly.Options', 'Blockly.ScrollbarPair', 'Blockly.Touch', 'Blockly.TouchGesture', 'Blockly.Trashcan', 'Blockly.utils', 'Blockly.VariablesDynamic', 'Blockly.Workspace', 'Blockly.WorkspaceAudio', 'Blockly.WorkspaceComment', 'Blockly.WorkspaceCommentSvg', 'Blockly.WorkspaceCommentSvg.render', 'Blockly.WorkspaceDragSurfaceSvg', 'Blockly.Xml', 'Blockly.ZoomControls', 'goog.dom', 'goog.math.Coordinate']);
@@ -138,6 +138,18 @@ goog.addDependency("../../../" + dir + "/core/xml.js", ['Blockly.Xml'], ['Blockl
 goog.addDependency("../../../" + dir + "/core/zoom_controls.js", ['Blockly.ZoomControls'], ['Blockly.Touch', 'Blockly.utils']);
 goog.addDependency("../../alltests.js", [], []);
 goog.addDependency("../../browser_capabilities.js", [], []);
+goog.addDependency("../../closure-deps/bin/closuremakedeps.js", [], []);
+goog.addDependency("../../closure-deps/bin/getjsversion.js", [], []);
+goog.addDependency("../../closure-deps/index.js", [], []);
+goog.addDependency("../../closure-deps/lib/depfile.js", [], []);
+goog.addDependency("../../closure-deps/lib/depgraph.js", [], []);
+goog.addDependency("../../closure-deps/lib/parser.js", [], []);
+goog.addDependency("../../closure-deps/lib/sourceerror.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/closuremakedeps_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/depfile_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/depgraph_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/parser_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/readme_test.js", [], []);
 goog.addDependency("../../doc/js/article.js", [], []);
 goog.addDependency("../../protractor.conf.js", [], []);
 goog.addDependency("../../protractor_spec.js", [], []);
@@ -856,7 +868,7 @@ goog.addDependency("labs/useragent/util.js", ['goog.labs.userAgent.util'], ['goo
 goog.addDependency("labs/useragent/util_test.js", ['goog.labs.userAgent.utilTest'], ['goog.functions', 'goog.labs.userAgent.testAgents', 'goog.labs.userAgent.util', 'goog.testing.PropertyReplacer', 'goog.testing.jsunit']);
 goog.addDependency("labs/useragent/verifier.js", ['goog.labs.useragent.verifier'], []);
 goog.addDependency("labs/useragent/verifier_test.js", [], []);
-goog.addDependency("loader/abstractmodulemanager.js", ['goog.loader.AbstractModuleManager', 'goog.loader.AbstractModuleManager.CallbackType', 'goog.loader.AbstractModuleManager.FailureType'], ['goog.Disposable', 'goog.module.AbstractModuleLoader', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback']);
+goog.addDependency("loader/abstractmodulemanager.js", ['goog.loader.AbstractModuleManager', 'goog.loader.AbstractModuleManager.CallbackType', 'goog.loader.AbstractModuleManager.FailureType'], ['goog.module.AbstractModuleLoader', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback']);
 goog.addDependency("loader/activemodulemanager.js", [], []);
 goog.addDependency("locale/countries.js", ['goog.locale.countries'], []);
 goog.addDependency("locale/countrylanguagenames_test.js", ['goog.locale.countryLanguageNamesTest'], ['goog.locale', 'goog.testing.jsunit']);
@@ -962,7 +974,7 @@ goog.addDependency("module/moduleloadcallback.js", ['goog.module.ModuleLoadCallb
 goog.addDependency("module/moduleloadcallback_test.js", ['goog.module.ModuleLoadCallbackTest'], ['goog.debug.ErrorHandler', 'goog.debug.entryPointRegistry', 'goog.functions', 'goog.module.ModuleLoadCallback', 'goog.testing.jsunit', 'goog.testing.recordFunction']);
 goog.addDependency("module/moduleloader.js", ['goog.module.ModuleLoader'], ['goog.Timer', 'goog.array', 'goog.events', 'goog.events.Event', 'goog.events.EventHandler', 'goog.events.EventId', 'goog.events.EventTarget', 'goog.html.TrustedResourceUrl', 'goog.labs.userAgent.browser', 'goog.log', 'goog.module.AbstractModuleLoader', 'goog.net.BulkLoader', 'goog.net.EventType', 'goog.net.jsloader', 'goog.userAgent', 'goog.userAgent.product']);
 goog.addDependency("module/moduleloader_test.js", ['goog.module.ModuleLoaderTest'], ['goog.Promise', 'goog.array', 'goog.dom', 'goog.dom.TagName', 'goog.events', 'goog.functions', 'goog.html.TrustedResourceUrl', 'goog.loader.activeModuleManager', 'goog.module.ModuleLoader', 'goog.module.ModuleManager', 'goog.net.BulkLoader', 'goog.net.XmlHttp', 'goog.object', 'goog.string.Const', 'goog.testing.PropertyReplacer', 'goog.testing.TestCase', 'goog.testing.events.EventObserver', 'goog.testing.jsunit', 'goog.userAgent']);
-goog.addDependency("module/modulemanager.js", ['goog.module.ModuleManager', 'goog.module.ModuleManager.CallbackType', 'goog.module.ModuleManager.FailureType'], ['goog.array', 'goog.asserts', 'goog.async.Deferred', 'goog.debug.Trace', 'goog.disposeAll', 'goog.loader.AbstractModuleManager', 'goog.loader.activeModuleManager', 'goog.log', 'goog.module', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback', 'goog.object']);
+goog.addDependency("module/modulemanager.js", ['goog.module.ModuleManager', 'goog.module.ModuleManager.CallbackType', 'goog.module.ModuleManager.FailureType'], ['goog.array', 'goog.asserts', 'goog.async.Deferred', 'goog.debug.Trace', 'goog.disposable.IDisposable', 'goog.disposeAll', 'goog.loader.AbstractModuleManager', 'goog.loader.activeModuleManager', 'goog.log', 'goog.module', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback', 'goog.object']);
 goog.addDependency("module/modulemanager_test.js", ['goog.module.ModuleManagerTest'], ['goog.array', 'goog.functions', 'goog.module.BaseModule', 'goog.module.ModuleManager', 'goog.testing', 'goog.testing.MockClock', 'goog.testing.jsunit', 'goog.testing.recordFunction']);
 goog.addDependency("module/testdata/modA_1.js", ['goog.module.testdata.modA_1'], []);
 goog.addDependency("module/testdata/modA_2.js", ['goog.module.testdata.modA_2'], ['goog.module.ModuleManager']);
diff --git a/blockly_compressed.js b/blockly_compressed.js
index b2e66ec20..2f1ae0abd 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -53,22 +53,23 @@ a||this.loadDeps_()}else throw a="goog.require could not find: "+a,goog.logToCon
 a.defer_(d,b)},areDepsLoaded:function(){return a.areDepsLoaded_(d.requires)}};try{d.load(f)}finally{c=!0}})();b&&this.pause_()},goog.DebugLoader_.prototype.pause_=function(){this.paused_=!0},goog.DebugLoader_.prototype.resume_=function(){this.paused_&&(this.paused_=!1,this.loadDeps_())},goog.DebugLoader_.prototype.loading_=function(a){this.loadingDeps_.push(a)},goog.DebugLoader_.prototype.loaded_=function(a){for(var b=0;b<this.loadingDeps_.length;b++)if(this.loadingDeps_[b]==a){this.loadingDeps_.splice(b,
 1);break}for(b=0;b<this.deferredQueue_.length;b++)if(this.deferredQueue_[b]==a.path){this.deferredQueue_.splice(b,1);break}if(this.loadingDeps_.length==this.deferredQueue_.length&&!this.depsToLoad_.length)for(;this.deferredQueue_.length;)this.requested(this.deferredQueue_.shift(),!0);a.loaded()},goog.DebugLoader_.prototype.areDepsLoaded_=function(a){for(var b=0;b<a.length;b++){var c=this.getPathFromDeps_(a[b]);if(!c||!(c in this.deferredCallbacks_||goog.isProvided_(a[b])))return!1}return!0},goog.DebugLoader_.prototype.getPathFromDeps_=
 function(a){return a in this.idToPath_?this.idToPath_[a]:a in this.dependencies_?a:null},goog.DebugLoader_.prototype.defer_=function(a,b){this.deferredCallbacks_[a.path]=b;this.deferredQueue_.push(a.path)},goog.LoadController=function(){},goog.LoadController.prototype.pause=function(){},goog.LoadController.prototype.resume=function(){},goog.LoadController.prototype.loaded=function(){},goog.LoadController.prototype.pending=function(){},goog.LoadController.prototype.registerEs6ModuleExports=function(a,
-b,c){},goog.LoadController.prototype.setModuleState=function(a){},goog.LoadController.prototype.clearModuleState=function(){},goog.LoadController.prototype.defer=function(a){},goog.LoadController.prototype.areDepsLoaded=function(){},goog.Dependency=function(a,b,c,d,e){this.path=a;this.relativePath=b;this.provides=c;this.requires=d;this.loadFlags=e;this.loaded_=!1;this.loadCallbacks_=[]},goog.Dependency.prototype.onLoad=function(a){this.loaded_?a():this.loadCallbacks_.push(a)},goog.Dependency.prototype.loaded=
-function(){this.loaded_=!0;var a=this.loadCallbacks_;this.loadCallbacks_=[];for(var b=0;b<a.length;b++)a[b]()},goog.Dependency.defer_=!1,goog.Dependency.callbackMap_={},goog.Dependency.registerCallback_=function(a){var b=Math.random().toString(32);goog.Dependency.callbackMap_[b]=a;return b},goog.Dependency.unregisterCallback_=function(a){delete goog.Dependency.callbackMap_[a]},goog.Dependency.callback_=function(a,b){if(a in goog.Dependency.callbackMap_){for(var c=goog.Dependency.callbackMap_[a],d=
-[],e=1;e<arguments.length;e++)d.push(arguments[e]);c.apply(void 0,d)}else throw Error("Callback key "+a+" does not exist (was base.js loaded more than once?).");},goog.Dependency.prototype.load=function(a){if(goog.global.CLOSURE_IMPORT_SCRIPT)goog.global.CLOSURE_IMPORT_SCRIPT(this.path)?a.loaded():a.pause();else if(goog.inHtmlDocument_()){var b=goog.global.document;if("complete"==b.readyState&&!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING){if(/\bdeps.js$/.test(this.path)){a.loaded();return}throw Error('Cannot write "'+
-this.path+'" after document load');}if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&goog.isDocumentLoading_()){var c=goog.Dependency.registerCallback_(function(b){goog.DebugLoader_.IS_OLD_IE_&&"complete"!=b.readyState||(goog.Dependency.unregisterCallback_(c),a.loaded())}),d=!goog.DebugLoader_.IS_OLD_IE_&&goog.getScriptNonce()?' nonce="'+goog.getScriptNonce()+'"':"";b.write('<script src="'+this.path+'" '+(goog.DebugLoader_.IS_OLD_IE_?"onreadystatechange":"onload")+"=\"goog.Dependency.callback_('"+
-c+'\', this)" type="text/javascript" '+(goog.Dependency.defer_?"defer":"")+d+">\x3c/script>")}else{var e=b.createElement("script");e.defer=goog.Dependency.defer_;e.async=!1;e.type="text/javascript";(d=goog.getScriptNonce())&&e.setAttribute("nonce",d);goog.DebugLoader_.IS_OLD_IE_?(a.pause(),e.onreadystatechange=function(){if("loaded"==e.readyState||"complete"==e.readyState)a.loaded(),a.resume()}):e.onload=function(){e.onload=null;a.loaded()};e.src=this.path;b.head.appendChild(e)}}else goog.logToConsole_("Cannot use default debug loader outside of HTML documents."),
-"deps.js"==this.relativePath?(goog.logToConsole_("Consider setting CLOSURE_IMPORT_SCRIPT before loading base.js, or setting CLOSURE_NO_DEPS to true."),a.loaded()):a.pause()},goog.Es6ModuleDependency=function(a,b,c,d,e){goog.Dependency.call(this,a,b,c,d,e)},goog.inherits(goog.Es6ModuleDependency,goog.Dependency),goog.Es6ModuleDependency.prototype.load=function(a){function b(a,b){b?d.write('<script type="module" crossorigin>'+b+"\x3c/script>"):d.write('<script type="module" crossorigin src="'+a+'">\x3c/script>')}
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+goog.setDependencyFactory=function(a){goog.debugLoader_.setDependencyFactory(a)},goog.global.CLOSURE_NO_DEPS||goog.debugLoader_.loadClosureDeps(),goog.bootstrap=function(a,b){goog.debugLoader_.bootstrap(a,b)});goog.debug={};goog.debug.Error=function(a){if(Error.captureStackTrace)Error.captureStackTrace(this,goog.debug.Error);else{var b=Error().stack;b&&(this.stack=b)}a&&(this.message=String(a));this.reportErrorToServer=!0};goog.inherits(goog.debug.Error,Error);goog.debug.Error.prototype.name="CustomError";goog.dom={};goog.dom.NodeType={ELEMENT:1,ATTRIBUTE:2,TEXT:3,CDATA_SECTION:4,ENTITY_REFERENCE:5,ENTITY:6,PROCESSING_INSTRUCTION:7,COMMENT:8,DOCUMENT:9,DOCUMENT_TYPE:10,DOCUMENT_FRAGMENT:11,NOTATION:12};goog.asserts={};goog.asserts.ENABLE_ASSERTS=goog.DEBUG;goog.asserts.AssertionError=function(a,b){goog.debug.Error.call(this,goog.asserts.subs_(a,b));this.messagePattern=a};goog.inherits(goog.asserts.AssertionError,goog.debug.Error);goog.asserts.AssertionError.prototype.name="AssertionError";goog.asserts.DEFAULT_ERROR_HANDLER=function(a){throw a;};goog.asserts.errorHandler_=goog.asserts.DEFAULT_ERROR_HANDLER;
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@@ -193,9 +194,14 @@ goog.dom.asserts.assertIsElementType_=function(a,b){if(goog.asserts.ENABLE_ASSER
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 goog.dom.asserts.assertIsHTMLAudioElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLAudioElement")};goog.dom.asserts.assertIsHTMLVideoElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLVideoElement")};goog.dom.asserts.assertIsHTMLInputElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLInputElement")};goog.dom.asserts.assertIsHTMLEmbedElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLEmbedElement")};
 goog.dom.asserts.assertIsHTMLFormElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFormElement")};goog.dom.asserts.assertIsHTMLFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLFrameElement")};goog.dom.asserts.assertIsHTMLIFrameElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLIFrameElement")};goog.dom.asserts.assertIsHTMLObjectElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLObjectElement")};
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+goog.dom.asserts.assertIsHTMLScriptElement=function(a){return goog.dom.asserts.assertIsElementType_(a,"HTMLScriptElement")};goog.dom.asserts.debugStringForType_=function(a){return goog.isObject(a)?a.constructor.displayName||a.constructor.name||Object.prototype.toString.call(a):void 0===a?"undefined":null===a?"null":typeof a};goog.dom.asserts.getWindow_=function(a){return(a=a&&a.ownerDocument)&&(a.defaultView||a.parentWindow)||goog.global};goog.functions={};goog.functions.constant=function(a){return function(){return a}};goog.functions.FALSE=goog.functions.constant(!1);goog.functions.TRUE=goog.functions.constant(!0);goog.functions.NULL=goog.functions.constant(null);goog.functions.identity=function(a,b){return a};goog.functions.error=function(a){return function(){throw Error(a);}};goog.functions.fail=function(a){return function(){throw a;}};
+goog.functions.lock=function(a,b){b=b||0;return function(){return a.apply(this,Array.prototype.slice.call(arguments,0,b))}};goog.functions.nth=function(a){return function(){return arguments[a]}};goog.functions.partialRight=function(a,b){var c=Array.prototype.slice.call(arguments,1);return function(){var b=Array.prototype.slice.call(arguments);b.push.apply(b,c);return a.apply(this,b)}};goog.functions.withReturnValue=function(a,b){return goog.functions.sequence(a,goog.functions.constant(b))};
+goog.functions.equalTo=function(a,b){return function(c){return b?a==c:a===c}};goog.functions.compose=function(a,b){var c=arguments,d=c.length;return function(){var a;d&&(a=c[d-1].apply(this,arguments));for(var b=d-2;0<=b;b--)a=c[b].call(this,a);return a}};goog.functions.sequence=function(a){var b=arguments,c=b.length;return function(){for(var a,e=0;e<c;e++)a=b[e].apply(this,arguments);return a}};
+goog.functions.and=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(!b[a].apply(this,arguments))return!1;return!0}};goog.functions.or=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(b[a].apply(this,arguments))return!0;return!1}};goog.functions.not=function(a){return function(){return!a.apply(this,arguments)}};
+goog.functions.create=function(a,b){var c=function(){};c.prototype=a.prototype;c=new c;a.apply(c,Array.prototype.slice.call(arguments,1));return c};goog.functions.CACHE_RETURN_VALUE=!0;goog.functions.cacheReturnValue=function(a){var b=!1,c;return function(){if(!goog.functions.CACHE_RETURN_VALUE)return a();b||(c=a(),b=!0);return c}};goog.functions.once=function(a){var b=a;return function(){if(b){var a=b;b=null;a()}}};
+goog.functions.debounce=function(a,b,c){var d=0;return function(e){goog.global.clearTimeout(d);var f=arguments;d=goog.global.setTimeout(function(){a.apply(c,f)},b)}};goog.functions.throttle=function(a,b,c){var d=0,e=!1,f=[],g=function(){d=0;e&&(e=!1,h())},h=function(){d=goog.global.setTimeout(g,b);a.apply(c,f)};return function(a){f=arguments;d?e=!0:h()}};goog.functions.rateLimit=function(a,b,c){var d=0,e=function(){d=0};return function(f){d||(d=goog.global.setTimeout(e,b),a.apply(c,arguments))}};goog.dom.tags={};goog.dom.tags.VOID_TAGS_={area:!0,base:!0,br:!0,col:!0,command:!0,embed:!0,hr:!0,img:!0,input:!0,keygen:!0,link:!0,meta:!0,param:!0,source:!0,track:!0,wbr:!0};goog.dom.tags.isVoidTag=function(a){return!0===goog.dom.tags.VOID_TAGS_[a]};goog.string.TypedString=function(){};goog.string.Const=function(a,b){this.stringConstValueWithSecurityContract__googStringSecurityPrivate_=a===goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_&&b||"";this.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_=goog.string.Const.TYPE_MARKER_};goog.string.Const.prototype.implementsGoogStringTypedString=!0;goog.string.Const.prototype.getTypedStringValue=function(){return this.stringConstValueWithSecurityContract__googStringSecurityPrivate_};
 goog.string.Const.prototype.toString=function(){return"Const{"+this.stringConstValueWithSecurityContract__googStringSecurityPrivate_+"}"};goog.string.Const.unwrap=function(a){if(a instanceof goog.string.Const&&a.constructor===goog.string.Const&&a.STRING_CONST_TYPE_MARKER__GOOG_STRING_SECURITY_PRIVATE_===goog.string.Const.TYPE_MARKER_)return a.stringConstValueWithSecurityContract__googStringSecurityPrivate_;goog.asserts.fail("expected object of type Const, got '"+a+"'");return"type_error:Const"};
-goog.string.Const.from=function(a){return goog.string.Const.create__googStringSecurityPrivate_(a)};goog.string.Const.TYPE_MARKER_={};goog.string.Const.create__googStringSecurityPrivate_=function(a){var b=new goog.string.Const;b.stringConstValueWithSecurityContract__googStringSecurityPrivate_=a;return b};goog.string.Const.EMPTY=goog.string.Const.from("");goog.html={};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
+goog.string.Const.from=function(a){return new goog.string.Const(goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_,a)};goog.string.Const.TYPE_MARKER_={};goog.string.Const.GOOG_STRING_CONSTRUCTOR_TOKEN_PRIVATE_={};goog.string.Const.EMPTY=goog.string.Const.from("");goog.html={};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
 goog.html.SafeScript.fromConstantAndArgs=function(a,b){for(var c=[],d=1;d<arguments.length;d++)c.push(goog.html.SafeScript.stringify_(arguments[d]));return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse("("+goog.string.Const.unwrap(a)+")("+c.join(", ")+");")};goog.html.SafeScript.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeScriptWrappedValue_};
 goog.DEBUG&&(goog.html.SafeScript.prototype.toString=function(){return"SafeScript{"+this.privateDoNotAccessOrElseSafeScriptWrappedValue_+"}"});
 goog.html.SafeScript.unwrap=function(a){if(a instanceof goog.html.SafeScript&&a.constructor===goog.html.SafeScript&&a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeScriptWrappedValue_;goog.asserts.fail("expected object of type SafeScript, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeScript"};goog.html.SafeScript.stringify_=function(a){return JSON.stringify(a).replace(/</g,"\\x3c")};
@@ -227,9 +233,11 @@ goog.html.TrustedResourceUrl.fromConstants=function(a){for(var b="",c=0;c<a.leng
 goog.html.SafeUrl.prototype.implementsGoogI18nBidiDirectionalString=!0;goog.html.SafeUrl.prototype.getDirection=function(){return goog.i18n.bidi.Dir.LTR};goog.DEBUG&&(goog.html.SafeUrl.prototype.toString=function(){return"SafeUrl{"+this.privateDoNotAccessOrElseSafeHtmlWrappedValue_+"}"});
 goog.html.SafeUrl.unwrap=function(a){if(a instanceof goog.html.SafeUrl&&a.constructor===goog.html.SafeUrl&&a.SAFE_URL_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;goog.asserts.fail("expected object of type SafeUrl, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeUrl"};goog.html.SafeUrl.fromConstant=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.string.Const.unwrap(a))};
 goog.html.SAFE_MIME_TYPE_PATTERN_=/^(?:audio\/(?:3gpp2|3gpp|aac|midi|mp3|mp4|mpeg|oga|ogg|opus|x-m4a|x-wav|wav|webm)|image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|text\/csv|video\/(?:mpeg|mp4|ogg|webm|quicktime))$/i;goog.html.SafeUrl.fromBlob=function(a){a=goog.html.SAFE_MIME_TYPE_PATTERN_.test(a.type)?goog.fs.url.createObjectUrl(a):goog.html.SafeUrl.INNOCUOUS_STRING;return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.DATA_URL_PATTERN_=/^data:([^;,]*);base64,[a-z0-9+\/]+=*$/i;
-goog.html.SafeUrl.fromDataUrl=function(a){var b=a.match(goog.html.DATA_URL_PATTERN_);b=b&&goog.html.SAFE_MIME_TYPE_PATTERN_.test(b[1]);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b?a:goog.html.SafeUrl.INNOCUOUS_STRING)};goog.html.SafeUrl.fromTelUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"tel:")||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.fromTrustedResourceUrl=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.html.TrustedResourceUrl.unwrap(a))};
-goog.html.SAFE_URL_PATTERN_=/^(?:(?:https?|mailto|ftp):|[^:/?#]*(?:[/?#]|$))/i;goog.html.SafeUrl.sanitize=function(a){if(a instanceof goog.html.SafeUrl)return a;a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.html.SAFE_URL_PATTERN_.test(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
-goog.html.SafeUrl.sanitizeAssertUnchanged=function(a){if(a instanceof goog.html.SafeUrl)return a;a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.asserts.assert(goog.html.SAFE_URL_PATTERN_.test(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
+goog.html.SafeUrl.fromDataUrl=function(a){var b=a.match(goog.html.DATA_URL_PATTERN_);b=b&&goog.html.SAFE_MIME_TYPE_PATTERN_.test(b[1]);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b?a:goog.html.SafeUrl.INNOCUOUS_STRING)};goog.html.SafeUrl.fromTelUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"tel:")||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SIP_URL_PATTERN_=/^sip[s]?:[+a-z0-9_.!$%&'*\/=^`{|}~-]+@([a-z0-9-]+\.)+[a-z0-9]{2,63}$/i;
+goog.html.SafeUrl.fromSipUrl=function(a){goog.html.SIP_URL_PATTERN_.test(decodeURIComponent(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.fromSmsUrl=function(a){goog.string.caseInsensitiveStartsWith(a,"sms:")&&goog.html.SafeUrl.isSmsUrlBodyValid_(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
+goog.html.SafeUrl.isSmsUrlBodyValid_=function(a){var b=a.match(/[?&]body=/gi);if(!b)return!0;if(1<b.length)return!1;a=a.match(/[?&]body=([^&]+)/)[1];if(!a)return!0;try{return goog.string.urlEncode(a)===a||goog.string.urlDecode(a)!==a}catch(c){return!1}};goog.html.SafeUrl.fromTrustedResourceUrl=function(a){return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(goog.html.TrustedResourceUrl.unwrap(a))};goog.html.SAFE_URL_PATTERN_=/^(?:(?:https?|mailto|ftp):|[^:/?#]*(?:[/?#]|$))/i;
+goog.html.SafeUrl.sanitize=function(a){if(a instanceof goog.html.SafeUrl)return a;a="object"==typeof a&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.html.SAFE_URL_PATTERN_.test(a)||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};
+goog.html.SafeUrl.sanitizeAssertUnchanged=function(a){if(a instanceof goog.html.SafeUrl)return a;a="object"==typeof a&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);goog.asserts.assert(goog.html.SAFE_URL_PATTERN_.test(a))||(a=goog.html.SafeUrl.INNOCUOUS_STRING);return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(a)};goog.html.SafeUrl.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse=function(a){var b=new goog.html.SafeUrl;b.privateDoNotAccessOrElseSafeHtmlWrappedValue_=a;return b};goog.html.SafeUrl.ABOUT_BLANK=goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse("about:blank");goog.html.SafeStyle=function(){this.privateDoNotAccessOrElseSafeStyleWrappedValue_="";this.SAFE_STYLE_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeStyle.prototype.implementsGoogStringTypedString=!0;goog.html.SafeStyle.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeStyle.fromConstant=function(a){a=goog.string.Const.unwrap(a);if(0===a.length)return goog.html.SafeStyle.EMPTY;goog.html.SafeStyle.checkStyle_(a);goog.asserts.assert(goog.string.endsWith(a,";"),"Last character of style string is not ';': "+a);goog.asserts.assert(goog.string.contains(a,":"),"Style string must contain at least one ':', to specify a \"name: value\" pair: "+a);return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(a)};
 goog.html.SafeStyle.checkStyle_=function(a){goog.asserts.assert(!/[<>]/.test(a),"Forbidden characters in style string: "+a)};goog.html.SafeStyle.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeStyleWrappedValue_};goog.DEBUG&&(goog.html.SafeStyle.prototype.toString=function(){return"SafeStyle{"+this.privateDoNotAccessOrElseSafeStyleWrappedValue_+"}"});
@@ -237,10 +245,11 @@ goog.html.SafeStyle.unwrap=function(a){if(a instanceof goog.html.SafeStyle&&a.co
 goog.html.SafeStyle.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeStyleWrappedValue_=a;return this};goog.html.SafeStyle.EMPTY=goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse("");goog.html.SafeStyle.INNOCUOUS_STRING="zClosurez";
 goog.html.SafeStyle.create=function(a){var b="",c;for(c in a){if(!/^[-_a-zA-Z0-9]+$/.test(c))throw Error("Name allows only [-_a-zA-Z0-9], got: "+c);var d=a[c];null!=d&&(d=goog.isArray(d)?goog.array.map(d,goog.html.SafeStyle.sanitizePropertyValue_).join(" "):goog.html.SafeStyle.sanitizePropertyValue_(d),b+=c+":"+d+";")}if(!b)return goog.html.SafeStyle.EMPTY;goog.html.SafeStyle.checkStyle_(b);return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)};
 goog.html.SafeStyle.sanitizePropertyValue_=function(a){if(a instanceof goog.html.SafeUrl)return'url("'+goog.html.SafeUrl.unwrap(a).replace(/</g,"%3c").replace(/[\\"]/g,"\\$&")+'")';a=a instanceof goog.string.Const?goog.string.Const.unwrap(a):goog.html.SafeStyle.sanitizePropertyValueString_(String(a));goog.asserts.assert(!/[{;}]/.test(a),"Value does not allow [{;}].");return a};
-goog.html.SafeStyle.sanitizePropertyValueString_=function(a){var b=a.replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.URL_RE_,"url");return goog.html.SafeStyle.VALUE_RE_.test(b)?goog.html.SafeStyle.hasBalancedQuotes_(a)?goog.html.SafeStyle.sanitizeUrl_(a):(goog.asserts.fail("String value requires balanced quotes, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING):(goog.asserts.fail("String value allows only "+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+" and simple functions, got: "+
-a),goog.html.SafeStyle.INNOCUOUS_STRING)};goog.html.SafeStyle.hasBalancedQuotes_=function(a){for(var b=!0,c=!0,d=0;d<a.length;d++){var e=a.charAt(d);"'"==e&&c?b=!b:'"'==e&&b&&(c=!c)}return b&&c};goog.html.SafeStyle.VALUE_ALLOWED_CHARS_="[-,.\"'%_!# a-zA-Z0-9]";goog.html.SafeStyle.VALUE_RE_=new RegExp("^"+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+"+$");goog.html.SafeStyle.URL_RE_=RegExp("\\b(url\\([ \t\n]*)('[ -&(-\\[\\]-~]*'|\"[ !#-\\[\\]-~]*\"|[!#-&*-\\[\\]-~]*)([ \t\n]*\\))","g");
-goog.html.SafeStyle.FUNCTIONS_RE_=RegExp("\\b(hsl|hsla|rgb|rgba|matrix|(rotate|scale|translate)(X|Y|Z|3d)?)\\([-0-9a-z.%, ]+\\)","g");goog.html.SafeStyle.sanitizeUrl_=function(a){return a.replace(goog.html.SafeStyle.URL_RE_,function(a,c,d,e){var b="";d=d.replace(/^(['"])(.*)\1$/,function(a,c,d){b=c;return d});a=goog.html.SafeUrl.sanitize(d).getTypedStringValue();return c+b+a+b+e})};
-goog.html.SafeStyle.concat=function(a){var b="",c=function(a){goog.isArray(a)?goog.array.forEach(a,c):b+=goog.html.SafeStyle.unwrap(a)};goog.array.forEach(arguments,c);return b?goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b):goog.html.SafeStyle.EMPTY};goog.html.SafeStyleSheet=function(){this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_="";this.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString=!0;goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
+goog.html.SafeStyle.sanitizePropertyValueString_=function(a){var b=a.replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.FUNCTIONS_RE_,"$1").replace(goog.html.SafeStyle.URL_RE_,"url");if(goog.html.SafeStyle.VALUE_RE_.test(b)){if(goog.html.SafeStyle.COMMENT_RE_.test(a))return goog.asserts.fail("String value disallows comments, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING;if(!goog.html.SafeStyle.hasBalancedQuotes_(a))return goog.asserts.fail("String value requires balanced quotes, got: "+
+a),goog.html.SafeStyle.INNOCUOUS_STRING;if(!goog.html.SafeStyle.hasBalancedSquareBrackets_(a))return goog.asserts.fail("String value requires balanced square brackets and one identifier per pair of brackets, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING}else return goog.asserts.fail("String value allows only "+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+" and simple functions, got: "+a),goog.html.SafeStyle.INNOCUOUS_STRING;return goog.html.SafeStyle.sanitizeUrl_(a)};
+goog.html.SafeStyle.hasBalancedQuotes_=function(a){for(var b=!0,c=!0,d=0;d<a.length;d++){var e=a.charAt(d);"'"==e&&c?b=!b:'"'==e&&b&&(c=!c)}return b&&c};goog.html.SafeStyle.hasBalancedSquareBrackets_=function(a){for(var b=!0,c=/^[-_a-zA-Z0-9]$/,d=0;d<a.length;d++){var e=a.charAt(d);if("]"==e){if(b)return!1;b=!0}else if("["==e){if(!b)return!1;b=!1}else if(!b&&!c.test(e))return!1}return b};goog.html.SafeStyle.VALUE_ALLOWED_CHARS_="[-,.\"'%_!# a-zA-Z0-9\\[\\]]";
+goog.html.SafeStyle.VALUE_RE_=new RegExp("^"+goog.html.SafeStyle.VALUE_ALLOWED_CHARS_+"+$");goog.html.SafeStyle.URL_RE_=RegExp("\\b(url\\([ \t\n]*)('[ -&(-\\[\\]-~]*'|\"[ !#-\\[\\]-~]*\"|[!#-&*-\\[\\]-~]*)([ \t\n]*\\))","g");goog.html.SafeStyle.FUNCTIONS_RE_=RegExp("\\b(hsl|hsla|rgb|rgba|matrix|calc|minmax|fit-content|repeat|(rotate|scale|translate)(X|Y|Z|3d)?)\\([-+*/0-9a-z.%\\[\\], ]+\\)","g");goog.html.SafeStyle.COMMENT_RE_=/\/\*/;
+goog.html.SafeStyle.sanitizeUrl_=function(a){return a.replace(goog.html.SafeStyle.URL_RE_,function(a,c,d,e){var b="";d=d.replace(/^(['"])(.*)\1$/,function(a,c,d){b=c;return d});a=goog.html.SafeUrl.sanitize(d).getTypedStringValue();return c+b+a+b+e})};goog.html.SafeStyle.concat=function(a){var b="",c=function(a){goog.isArray(a)?goog.array.forEach(a,c):b+=goog.html.SafeStyle.unwrap(a)};goog.array.forEach(arguments,c);return b?goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b):goog.html.SafeStyle.EMPTY};goog.html.SafeStyleSheet=function(){this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_="";this.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString=!0;goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};
 goog.html.SafeStyleSheet.createRule=function(a,b){if(goog.string.contains(a,"<"))throw Error("Selector does not allow '<', got: "+a);var c=a.replace(/('|")((?!\1)[^\r\n\f\\]|\\[\s\S])*\1/g,"");if(!/^[-_a-zA-Z0-9#.:* ,>+~[\]()=^$|]+$/.test(c))throw Error("Selector allows only [-_a-zA-Z0-9#.:* ,>+~[\\]()=^$|] and strings, got: "+a);if(!goog.html.SafeStyleSheet.hasBalancedBrackets_(c))throw Error("() and [] in selector must be balanced, got: "+a);b instanceof goog.html.SafeStyle||(b=goog.html.SafeStyle.create(b));
 c=a+"{"+goog.html.SafeStyle.unwrap(b)+"}";return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(c)};goog.html.SafeStyleSheet.hasBalancedBrackets_=function(a){for(var b={"(":")","[":"]"},c=[],d=0;d<a.length;d++){var e=a[d];if(b[e])c.push(b[e]);else if(goog.object.contains(b,e)&&c.pop()!=e)return!1}return 0==c.length};
 goog.html.SafeStyleSheet.concat=function(a){var b="",c=function(a){goog.isArray(a)?goog.array.forEach(a,c):b+=goog.html.SafeStyleSheet.unwrap(a)};goog.array.forEach(arguments,c);return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b)};
@@ -250,7 +259,7 @@ goog.html.SafeStyleSheet.unwrap=function(a){if(a instanceof goog.html.SafeStyleS
 goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse=function(a){return(new goog.html.SafeStyleSheet).initSecurityPrivateDoNotAccessOrElse_(a)};goog.html.SafeStyleSheet.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_=a;return this};goog.html.SafeStyleSheet.EMPTY=goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse("");goog.html.SafeHtml=function(){this.privateDoNotAccessOrElseSafeHtmlWrappedValue_="";this.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;this.dir_=null};goog.html.SafeHtml.prototype.implementsGoogI18nBidiDirectionalString=!0;goog.html.SafeHtml.prototype.getDirection=function(){return this.dir_};goog.html.SafeHtml.prototype.implementsGoogStringTypedString=!0;goog.html.SafeHtml.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeHtmlWrappedValue_};
 goog.DEBUG&&(goog.html.SafeHtml.prototype.toString=function(){return"SafeHtml{"+this.privateDoNotAccessOrElseSafeHtmlWrappedValue_+"}"});
 goog.html.SafeHtml.unwrap=function(a){if(a instanceof goog.html.SafeHtml&&a.constructor===goog.html.SafeHtml&&a.SAFE_HTML_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeHtmlWrappedValue_;goog.asserts.fail("expected object of type SafeHtml, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeHtml"};
-goog.html.SafeHtml.htmlEscape=function(a){if(a instanceof goog.html.SafeHtml)return a;var b=null;a.implementsGoogI18nBidiDirectionalString&&(b=a.getDirection());a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a),b)};
+goog.html.SafeHtml.htmlEscape=function(a){if(a instanceof goog.html.SafeHtml)return a;var b="object"==typeof a,c=null;b&&a.implementsGoogI18nBidiDirectionalString&&(c=a.getDirection());a=b&&a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a),c)};
 goog.html.SafeHtml.htmlEscapePreservingNewlines=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.newLineToBr(goog.html.SafeHtml.unwrap(a)),a.getDirection())};
 goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.whitespaceEscape(goog.html.SafeHtml.unwrap(a)),a.getDirection())};goog.html.SafeHtml.from=goog.html.SafeHtml.htmlEscape;goog.html.SafeHtml.VALID_NAMES_IN_TAG_=/^[a-zA-Z0-9-]+$/;
 goog.html.SafeHtml.URL_ATTRIBUTES_={action:!0,cite:!0,data:!0,formaction:!0,href:!0,manifest:!0,poster:!0,src:!0};goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_={APPLET:!0,BASE:!0,EMBED:!0,IFRAME:!0,LINK:!0,MATH:!0,META:!0,OBJECT:!0,SCRIPT:!0,STYLE:!0,SVG:!0,TEMPLATE:!0};goog.html.SafeHtml.create=function(a,b,c){goog.html.SafeHtml.verifyTagName(String(a));return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(String(a),b,c)};
@@ -270,7 +279,8 @@ goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse=function(a,
 null);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(e,d)};goog.html.SafeHtml.stringifyAttributes=function(a,b){var c="";if(b)for(var d in b){if(!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(d))throw Error('Invalid attribute name "'+d+'".');var e=b[d];goog.isDefAndNotNull(e)&&(c+=" "+goog.html.SafeHtml.getAttrNameAndValue_(a,d,e))}return c};
 goog.html.SafeHtml.combineAttributes=function(a,b,c){var d={},e;for(e in a)goog.asserts.assert(e.toLowerCase()==e,"Must be lower case"),d[e]=a[e];for(e in b)goog.asserts.assert(e.toLowerCase()==e,"Must be lower case"),d[e]=b[e];for(e in c){var f=e.toLowerCase();if(f in a)throw Error('Cannot override "'+f+'" attribute, got "'+e+'" with value "'+c[e]+'"');f in b&&delete d[f];d[e]=c[e]}return d};
 goog.html.SafeHtml.DOCTYPE_HTML=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<!DOCTYPE html>",goog.i18n.bidi.Dir.NEUTRAL);goog.html.SafeHtml.EMPTY=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("",goog.i18n.bidi.Dir.NEUTRAL);goog.html.SafeHtml.BR=goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse("<br>",goog.i18n.bidi.Dir.NEUTRAL);goog.dom.safe={};goog.dom.safe.InsertAdjacentHtmlPosition={AFTERBEGIN:"afterbegin",AFTEREND:"afterend",BEFOREBEGIN:"beforebegin",BEFOREEND:"beforeend"};goog.dom.safe.insertAdjacentHtml=function(a,b,c){a.insertAdjacentHTML(b,goog.html.SafeHtml.unwrap(c))};goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_={MATH:!0,SCRIPT:!0,STYLE:!0,SVG:!0,TEMPLATE:!0};
-goog.dom.safe.setInnerHtml=function(a,b){if(goog.asserts.ENABLE_ASSERTS){var c=a.tagName.toUpperCase();if(goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_[c])throw Error("goog.dom.safe.setInnerHtml cannot be used to set content of "+a.tagName+".");}a.innerHTML=goog.html.SafeHtml.unwrap(b)};goog.dom.safe.setOuterHtml=function(a,b){a.outerHTML=goog.html.SafeHtml.unwrap(b)};
+goog.dom.safe.isInnerHtmlCleanupRecursive_=goog.functions.cacheReturnValue(function(){if(goog.DEBUG&&"undefined"===typeof document)return!1;var a=document.createElement("div");a.innerHTML="<div><div></div></div>";if(goog.DEBUG&&!a.firstChild)return!1;var b=a.firstChild.firstChild;a.innerHTML="";return!b.parentElement});goog.dom.safe.unsafeSetInnerHtmlDoNotUseOrElse=function(a,b){if(goog.dom.safe.isInnerHtmlCleanupRecursive_())for(;a.lastChild;)a.removeChild(a.lastChild);a.innerHTML=b};
+goog.dom.safe.setInnerHtml=function(a,b){if(goog.asserts.ENABLE_ASSERTS){var c=a.tagName.toUpperCase();if(goog.dom.safe.SET_INNER_HTML_DISALLOWED_TAGS_[c])throw Error("goog.dom.safe.setInnerHtml cannot be used to set content of "+a.tagName+".");}goog.dom.safe.unsafeSetInnerHtmlDoNotUseOrElse(a,goog.html.SafeHtml.unwrap(b))};goog.dom.safe.setOuterHtml=function(a,b){a.outerHTML=goog.html.SafeHtml.unwrap(b)};
 goog.dom.safe.setFormElementAction=function(a,b){var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLFormElement(a).action=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setButtonFormAction=function(a,b){var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLButtonElement(a).formAction=goog.html.SafeUrl.unwrap(c)};
 goog.dom.safe.setInputFormAction=function(a,b){var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);goog.dom.asserts.assertIsHTMLInputElement(a).formAction=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setStyle=function(a,b){a.style.cssText=goog.html.SafeStyle.unwrap(b)};goog.dom.safe.documentWrite=function(a,b){a.write(goog.html.SafeHtml.unwrap(b))};
 goog.dom.safe.setAnchorHref=function(a,b){goog.dom.asserts.assertIsHTMLAnchorElement(a);var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.href=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setImageSrc=function(a,b){goog.dom.asserts.assertIsHTMLImageElement(a);var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitizeAssertUnchanged(b);a.src=goog.html.SafeUrl.unwrap(c)};
@@ -293,7 +303,7 @@ goog.dom.getElementsByTagNameAndClass=function(a,b,c){return goog.dom.getElement
 goog.dom.getElementByClass=function(a,b){var c=b||document;return(c.getElementsByClassName?c.getElementsByClassName(a)[0]:goog.dom.getElementByTagNameAndClass_(document,"*",a,b))||null};goog.dom.getRequiredElementByClass=function(a,b){var c=goog.dom.getElementByClass(a,b);return goog.asserts.assert(c,"No element found with className: "+a)};goog.dom.canUseQuerySelector_=function(a){return!(!a.querySelectorAll||!a.querySelector)};
 goog.dom.getElementsByTagNameAndClass_=function(a,b,c,d){a=d||a;b=b&&"*"!=b?String(b).toUpperCase():"";if(goog.dom.canUseQuerySelector_(a)&&(b||c))return a.querySelectorAll(b+(c?"."+c:""));if(c&&a.getElementsByClassName){a=a.getElementsByClassName(c);if(b){d={};for(var e=0,f=0,g;g=a[f];f++)b==g.nodeName&&(d[e++]=g);d.length=e;return d}return a}a=a.getElementsByTagName(b||"*");if(c){d={};for(f=e=0;g=a[f];f++)b=g.className,"function"==typeof b.split&&goog.array.contains(b.split(/\s+/),c)&&(d[e++]=g);
 d.length=e;return d}return a};goog.dom.getElementByTagNameAndClass_=function(a,b,c,d){var e=d||a,f=b&&"*"!=b?String(b).toUpperCase():"";return goog.dom.canUseQuerySelector_(e)&&(f||c)?e.querySelector(f+(c?"."+c:"")):goog.dom.getElementsByTagNameAndClass_(a,b,c,d)[0]||null};goog.dom.$$=goog.dom.getElementsByTagNameAndClass;
-goog.dom.setProperties=function(a,b){goog.object.forEach(b,function(b,d){b&&b.implementsGoogStringTypedString&&(b=b.getTypedStringValue());"style"==d?a.style.cssText=b:"class"==d?a.className=b:"for"==d?a.htmlFor=b:goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d)?a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d],b):goog.string.startsWith(d,"aria-")||goog.string.startsWith(d,"data-")?a.setAttribute(d,b):a[d]=b})};
+goog.dom.setProperties=function(a,b){goog.object.forEach(b,function(b,d){b&&"object"==typeof b&&b.implementsGoogStringTypedString&&(b=b.getTypedStringValue());"style"==d?a.style.cssText=b:"class"==d?a.className=b:"for"==d?a.htmlFor=b:goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d)?a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d],b):goog.string.startsWith(d,"aria-")||goog.string.startsWith(d,"data-")?a.setAttribute(d,b):a[d]=b})};
 goog.dom.DIRECT_ATTRIBUTE_MAP_={cellpadding:"cellPadding",cellspacing:"cellSpacing",colspan:"colSpan",frameborder:"frameBorder",height:"height",maxlength:"maxLength",nonce:"nonce",role:"role",rowspan:"rowSpan",type:"type",usemap:"useMap",valign:"vAlign",width:"width"};goog.dom.getViewportSize=function(a){return goog.dom.getViewportSize_(a||window)};goog.dom.getViewportSize_=function(a){a=a.document;a=goog.dom.isCss1CompatMode_(a)?a.documentElement:a.body;return new goog.math.Size(a.clientWidth,a.clientHeight)};
 goog.dom.getDocumentHeight=function(){return goog.dom.getDocumentHeight_(window)};goog.dom.getDocumentHeightForWindow=function(a){return goog.dom.getDocumentHeight_(a)};
 goog.dom.getDocumentHeight_=function(a){var b=a.document,c=0;if(b){c=b.body;var d=b.documentElement;if(!d||!c)return 0;a=goog.dom.getViewportSize_(a).height;if(goog.dom.isCss1CompatMode_(b)&&d.scrollHeight)c=d.scrollHeight!=a?d.scrollHeight:d.offsetHeight;else{b=d.scrollHeight;var e=d.offsetHeight;d.clientHeight!=e&&(b=c.scrollHeight,e=c.offsetHeight);c=b>a?b>e?b:e:b<e?b:e}}return c};goog.dom.getPageScroll=function(a){return goog.dom.getDomHelper((a||goog.global||window).document).getDocumentScroll()};
@@ -373,12 +383,12 @@ goog.debug.getStacktraceSimple=function(a){if(!goog.debug.FORCE_SLOPPY_STACKS){v
 goog.debug.MAX_STACK_DEPTH=50;goog.debug.getNativeStackTrace_=function(a){var b=Error();if(Error.captureStackTrace)return Error.captureStackTrace(b,a),String(b.stack);try{throw b;}catch(c){b=c}return(a=b.stack)?String(a):null};goog.debug.getStacktrace=function(a){var b;goog.debug.FORCE_SLOPPY_STACKS||(b=goog.debug.getNativeStackTrace_(a||goog.debug.getStacktrace));b||(b=goog.debug.getStacktraceHelper_(a||arguments.callee.caller,[]));return b};
 goog.debug.getStacktraceHelper_=function(a,b){var c=[];if(goog.array.contains(b,a))c.push("[...circular reference...]");else if(a&&b.length<goog.debug.MAX_STACK_DEPTH){c.push(goog.debug.getFunctionName(a)+"(");for(var d=a.arguments,e=0;d&&e<d.length;e++){0<e&&c.push(", ");var f=d[e];switch(typeof f){case "object":f=f?"object":"null";break;case "string":break;case "number":f=String(f);break;case "boolean":f=f?"true":"false";break;case "function":f=(f=goog.debug.getFunctionName(f))?f:"[fn]";break;default:f=
 typeof f}40<f.length&&(f=f.substr(0,40)+"...");c.push(f)}b.push(a);c.push(")\n");try{c.push(goog.debug.getStacktraceHelper_(a.caller,b))}catch(g){c.push("[exception trying to get caller]\n")}}else a?c.push("[...long stack...]"):c.push("[end]");return c.join("")};goog.debug.setFunctionResolver=function(a){goog.debug.fnNameResolver_=a};
-goog.debug.getFunctionName=function(a){if(goog.debug.fnNameCache_[a])return goog.debug.fnNameCache_[a];if(goog.debug.fnNameResolver_){var b=goog.debug.fnNameResolver_(a);if(b)return goog.debug.fnNameCache_[a]=b}a=String(a);goog.debug.fnNameCache_[a]||(b=/function ([^\(]+)/.exec(a),goog.debug.fnNameCache_[a]=b?b[1]:"[Anonymous]");return goog.debug.fnNameCache_[a]};
+goog.debug.getFunctionName=function(a){if(goog.debug.fnNameCache_[a])return goog.debug.fnNameCache_[a];if(goog.debug.fnNameResolver_){var b=goog.debug.fnNameResolver_(a);if(b)return goog.debug.fnNameCache_[a]=b}a=String(a);goog.debug.fnNameCache_[a]||(b=/function\s+([^\(]+)/m.exec(a),goog.debug.fnNameCache_[a]=b?b[1]:"[Anonymous]");return goog.debug.fnNameCache_[a]};
 goog.debug.makeWhitespaceVisible=function(a){return a.replace(/ /g,"[_]").replace(/\f/g,"[f]").replace(/\n/g,"[n]\n").replace(/\r/g,"[r]").replace(/\t/g,"[t]")};goog.debug.runtimeType=function(a){return a instanceof Function?a.displayName||a.name||"unknown type name":a instanceof Object?a.constructor.displayName||a.constructor.name||Object.prototype.toString.call(a):null===a?"null":typeof a};goog.debug.fnNameCache_={};goog.debug.freezeInternal_=goog.DEBUG&&Object.freeze||function(a){return a};
 goog.debug.freeze=function(a){return goog.debug.freezeInternal_(a)};goog.events={};$jscomp.scope.purify=function(a){return{valueOf:a}.valueOf()};
 goog.events.BrowserFeature={HAS_W3C_BUTTON:!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9),HAS_W3C_EVENT_SUPPORT:!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9),SET_KEY_CODE_TO_PREVENT_DEFAULT:goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("9"),HAS_NAVIGATOR_ONLINE_PROPERTY:!goog.userAgent.WEBKIT||goog.userAgent.isVersionOrHigher("528"),HAS_HTML5_NETWORK_EVENT_SUPPORT:goog.userAgent.GECKO&&goog.userAgent.isVersionOrHigher("1.9b")||goog.userAgent.IE&&goog.userAgent.isVersionOrHigher("8")||
 goog.userAgent.OPERA&&goog.userAgent.isVersionOrHigher("9.5")||goog.userAgent.WEBKIT&&goog.userAgent.isVersionOrHigher("528"),HTML5_NETWORK_EVENTS_FIRE_ON_BODY:goog.userAgent.GECKO&&!goog.userAgent.isVersionOrHigher("8")||goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("9"),TOUCH_ENABLED:"ontouchstart"in goog.global||!!(goog.global.document&&document.documentElement&&"ontouchstart"in document.documentElement)||!(!goog.global.navigator||!goog.global.navigator.maxTouchPoints&&!goog.global.navigator.msMaxTouchPoints),
-POINTER_EVENTS:"PointerEvent"in goog.global,MSPOINTER_EVENTS:"MSPointerEvent"in goog.global&&!(!goog.global.navigator||!goog.global.navigator.msPointerEnabled),PASSIVE_EVENTS:(0,$jscomp.scope.purify)(function(){if(!goog.global.addEventListener||!Object.defineProperty)return!1;var a=!1,b=Object.defineProperty({},"passive",{get:function(){a=!0}});goog.global.addEventListener("test",goog.nullFunction,b);goog.global.removeEventListener("test",goog.nullFunction,b);return a})};goog.disposable={};goog.disposable.IDisposable=function(){};goog.disposable.IDisposable.prototype.dispose=goog.abstractMethod;goog.disposable.IDisposable.prototype.isDisposed=goog.abstractMethod;goog.Disposable=function(){goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&(goog.Disposable.INCLUDE_STACK_ON_CREATION&&(this.creationStack=Error().stack),goog.Disposable.instances_[goog.getUid(this)]=this);this.disposed_=this.disposed_;this.onDisposeCallbacks_=this.onDisposeCallbacks_};goog.Disposable.MonitoringMode={OFF:0,PERMANENT:1,INTERACTIVE:2};goog.Disposable.MONITORING_MODE=0;goog.Disposable.INCLUDE_STACK_ON_CREATION=!0;goog.Disposable.instances_={};
+POINTER_EVENTS:"PointerEvent"in goog.global,MSPOINTER_EVENTS:"MSPointerEvent"in goog.global&&!(!goog.global.navigator||!goog.global.navigator.msPointerEnabled),PASSIVE_EVENTS:(0,$jscomp.scope.purify)(function(){if(!goog.global.addEventListener||!Object.defineProperty)return!1;var a=!1,b=Object.defineProperty({},"passive",{get:function(){a=!0}});try{goog.global.addEventListener("test",goog.nullFunction,b),goog.global.removeEventListener("test",goog.nullFunction,b)}catch(c){}return a})};goog.disposable={};goog.disposable.IDisposable=function(){};goog.disposable.IDisposable.prototype.dispose=goog.abstractMethod;goog.disposable.IDisposable.prototype.isDisposed=goog.abstractMethod;goog.Disposable=function(){goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&(goog.Disposable.INCLUDE_STACK_ON_CREATION&&(this.creationStack=Error().stack),goog.Disposable.instances_[goog.getUid(this)]=this);this.disposed_=this.disposed_;this.onDisposeCallbacks_=this.onDisposeCallbacks_};goog.Disposable.MonitoringMode={OFF:0,PERMANENT:1,INTERACTIVE:2};goog.Disposable.MONITORING_MODE=0;goog.Disposable.INCLUDE_STACK_ON_CREATION=!0;goog.Disposable.instances_={};
 goog.Disposable.getUndisposedObjects=function(){var a=[],b;for(b in goog.Disposable.instances_)goog.Disposable.instances_.hasOwnProperty(b)&&a.push(goog.Disposable.instances_[Number(b)]);return a};goog.Disposable.clearUndisposedObjects=function(){goog.Disposable.instances_={}};goog.Disposable.prototype.disposed_=!1;goog.Disposable.prototype.isDisposed=function(){return this.disposed_};goog.Disposable.prototype.getDisposed=goog.Disposable.prototype.isDisposed;
 goog.Disposable.prototype.dispose=function(){if(!this.disposed_&&(this.disposed_=!0,this.disposeInternal(),goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF)){var a=goog.getUid(this);if(goog.Disposable.MONITORING_MODE==goog.Disposable.MonitoringMode.PERMANENT&&!goog.Disposable.instances_.hasOwnProperty(a))throw Error(this+" did not call the goog.Disposable base constructor or was disposed of after a clearUndisposedObjects call");if(goog.Disposable.MONITORING_MODE!=goog.Disposable.MonitoringMode.OFF&&
 this.onDisposeCallbacks_&&0<this.onDisposeCallbacks_.length)throw Error(this+" did not empty its onDisposeCallbacks queue. This probably means it overrode dispose() or disposeInternal() without calling the superclass' method.");delete goog.Disposable.instances_[a]}};goog.Disposable.prototype.registerDisposable=function(a){this.addOnDisposeCallback(goog.partial(goog.dispose,a))};
@@ -712,74 +722,7 @@ goog.ui.Menu.prototype.setAllowHighlightDisabled=function(a){this.allowHighlight
 goog.ui.Menu.prototype.handleEnterItem=function(a){this.allowAutoFocus_&&this.getKeyEventTarget().focus();return goog.ui.Menu.superClass_.handleEnterItem.call(this,a)};goog.ui.Menu.prototype.highlightNextPrefix=function(a){var b=new RegExp("^"+goog.string.regExpEscape(a),"i");return this.highlightHelper(function(a,d){var c=0>a?0:a,f=!1;do{++a;a==d&&(a=0,f=!0);var g=this.getChildAt(a).getCaption();if(g&&g.match(b))return a}while(!f||a!=c);return this.getHighlightedIndex()},this.getHighlightedIndex())};
 goog.ui.Menu.prototype.canHighlightItem=function(a){return(this.allowHighlightDisabled_||a.isEnabled())&&a.isVisible()&&a.isSupportedState(goog.ui.Component.State.HOVER)};goog.ui.Menu.prototype.decorateInternal=function(a){this.decorateContent(a);goog.ui.Menu.superClass_.decorateInternal.call(this,a)};
 goog.ui.Menu.prototype.handleKeyEventInternal=function(a){var b=goog.ui.Menu.superClass_.handleKeyEventInternal.call(this,a);b||this.forEachChild(function(c){!b&&c.getMnemonic&&c.getMnemonic()==a.keyCode&&(this.isEnabled()&&this.setHighlighted(c),b=c.handleKeyEvent(a))},this);return b};goog.ui.Menu.prototype.setHighlightedIndex=function(a){goog.ui.Menu.superClass_.setHighlightedIndex.call(this,a);(a=this.getChildAt(a))&&goog.style.scrollIntoContainerView(a.getElement(),this.getElement())};
-goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass("DIV",b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.functions={};goog.functions.constant=function(a){return function(){return a}};goog.functions.FALSE=goog.functions.constant(!1);goog.functions.TRUE=goog.functions.constant(!0);goog.functions.NULL=goog.functions.constant(null);goog.functions.identity=function(a,b){return a};goog.functions.error=function(a){return function(){throw Error(a);}};goog.functions.fail=function(a){return function(){throw a;}};
-goog.functions.lock=function(a,b){b=b||0;return function(){return a.apply(this,Array.prototype.slice.call(arguments,0,b))}};goog.functions.nth=function(a){return function(){return arguments[a]}};goog.functions.partialRight=function(a,b){var c=Array.prototype.slice.call(arguments,1);return function(){var b=Array.prototype.slice.call(arguments);b.push.apply(b,c);return a.apply(this,b)}};goog.functions.withReturnValue=function(a,b){return goog.functions.sequence(a,goog.functions.constant(b))};
-goog.functions.equalTo=function(a,b){return function(c){return b?a==c:a===c}};goog.functions.compose=function(a,b){var c=arguments,d=c.length;return function(){var a;d&&(a=c[d-1].apply(this,arguments));for(var b=d-2;0<=b;b--)a=c[b].call(this,a);return a}};goog.functions.sequence=function(a){var b=arguments,c=b.length;return function(){for(var a,e=0;e<c;e++)a=b[e].apply(this,arguments);return a}};
-goog.functions.and=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(!b[a].apply(this,arguments))return!1;return!0}};goog.functions.or=function(a){var b=arguments,c=b.length;return function(){for(var a=0;a<c;a++)if(b[a].apply(this,arguments))return!0;return!1}};goog.functions.not=function(a){return function(){return!a.apply(this,arguments)}};
-goog.functions.create=function(a,b){var c=function(){};c.prototype=a.prototype;c=new c;a.apply(c,Array.prototype.slice.call(arguments,1));return c};goog.functions.CACHE_RETURN_VALUE=!0;goog.functions.cacheReturnValue=function(a){var b=!1,c;return function(){if(!goog.functions.CACHE_RETURN_VALUE)return a();b||(c=a(),b=!0);return c}};goog.functions.once=function(a){var b=a;return function(){if(b){var a=b;b=null;a()}}};
-goog.functions.debounce=function(a,b,c){var d=0;return function(e){goog.global.clearTimeout(d);var f=arguments;d=goog.global.setTimeout(function(){a.apply(c,f)},b)}};goog.functions.throttle=function(a,b,c){var d=0,e=!1,f=[],g=function(){d=0;e&&(e=!1,h())},h=function(){d=goog.global.setTimeout(g,b);a.apply(c,f)};return function(a){f=arguments;d?e=!0:h()}};goog.functions.rateLimit=function(a,b,c){var d=0,e=function(){d=0};return function(f){d||(d=goog.global.setTimeout(e,b),a.apply(c,arguments))}};goog.iter={};goog.iter.StopIteration="StopIteration"in goog.global?goog.global.StopIteration:{message:"StopIteration",stack:""};goog.iter.Iterator=function(){};goog.iter.Iterator.prototype.next=function(){throw goog.iter.StopIteration;};goog.iter.Iterator.prototype.__iterator__=function(a){return this};
-goog.iter.toIterator=function(a){if(a instanceof goog.iter.Iterator)return a;if("function"==typeof a.__iterator__)return a.__iterator__(!1);if(goog.isArrayLike(a)){var b=0,c=new goog.iter.Iterator;c.next=function(){for(;;){if(b>=a.length)throw goog.iter.StopIteration;if(b in a)return a[b++];b++}};return c}throw Error("Not implemented");};
-goog.iter.forEach=function(a,b,c){if(goog.isArrayLike(a))try{goog.array.forEach(a,b,c)}catch(d){if(d!==goog.iter.StopIteration)throw d;}else{a=goog.iter.toIterator(a);try{for(;;)b.call(c,a.next(),void 0,a)}catch(d){if(d!==goog.iter.StopIteration)throw d;}}};goog.iter.filter=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){for(;;){var a=d.next();if(b.call(c,a,void 0,d))return a}};return a};
-goog.iter.filterFalse=function(a,b,c){return goog.iter.filter(a,goog.functions.not(b),c)};goog.iter.range=function(a,b,c){var d=0,e=a,f=c||1;1<arguments.length&&(d=a,e=+b);if(0==f)throw Error("Range step argument must not be zero");var g=new goog.iter.Iterator;g.next=function(){if(0<f&&d>=e||0>f&&d<=e)throw goog.iter.StopIteration;var a=d;d+=f;return a};return g};goog.iter.join=function(a,b){return goog.iter.toArray(a).join(b)};
-goog.iter.map=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=d.next();return b.call(c,a,void 0,d)};return a};goog.iter.reduce=function(a,b,c,d){var e=c;goog.iter.forEach(a,function(a){e=b.call(d,e,a)});return e};goog.iter.some=function(a,b,c){a=goog.iter.toIterator(a);try{for(;;)if(b.call(c,a.next(),void 0,a))return!0}catch(d){if(d!==goog.iter.StopIteration)throw d;}return!1};
-goog.iter.every=function(a,b,c){a=goog.iter.toIterator(a);try{for(;;)if(!b.call(c,a.next(),void 0,a))return!1}catch(d){if(d!==goog.iter.StopIteration)throw d;}return!0};goog.iter.chain=function(a){return goog.iter.chainFromIterable(arguments)};
-goog.iter.chainFromIterable=function(a){var b=goog.iter.toIterator(a);a=new goog.iter.Iterator;var c=null;a.next=function(){for(;;){if(null==c){var a=b.next();c=goog.iter.toIterator(a)}try{return c.next()}catch(e){if(e!==goog.iter.StopIteration)throw e;c=null}}};return a};goog.iter.dropWhile=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;var e=!0;a.next=function(){for(;;){var a=d.next();if(!e||!b.call(c,a,void 0,d))return e=!1,a}};return a};
-goog.iter.takeWhile=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=d.next();if(b.call(c,a,void 0,d))return a;throw goog.iter.StopIteration;};return a};goog.iter.toArray=function(a){if(goog.isArrayLike(a))return goog.array.toArray(a);a=goog.iter.toIterator(a);var b=[];goog.iter.forEach(a,function(a){b.push(a)});return b};
-goog.iter.equals=function(a,b,c){a=goog.iter.zipLongest({},a,b);var d=c||goog.array.defaultCompareEquality;return goog.iter.every(a,function(a){return d(a[0],a[1])})};goog.iter.nextOrValue=function(a,b){try{return goog.iter.toIterator(a).next()}catch(c){if(c!=goog.iter.StopIteration)throw c;return b}};
-goog.iter.product=function(a){if(goog.array.some(arguments,function(a){return!a.length})||!arguments.length)return new goog.iter.Iterator;var b=new goog.iter.Iterator,c=arguments,d=goog.array.repeat(0,c.length);b.next=function(){if(d){for(var a=goog.array.map(d,function(a,b){return c[b][a]}),b=d.length-1;0<=b;b--){goog.asserts.assert(d);if(d[b]<c[b].length-1){d[b]++;break}if(0==b){d=null;break}d[b]=0}return a}throw goog.iter.StopIteration;};return b};
-goog.iter.cycle=function(a){var b=goog.iter.toIterator(a),c=[],d=0;a=new goog.iter.Iterator;var e=!1;a.next=function(){var a=null;if(!e)try{return a=b.next(),c.push(a),a}catch(g){if(g!=goog.iter.StopIteration||goog.array.isEmpty(c))throw g;e=!0}a=c[d];d=(d+1)%c.length;return a};return a};goog.iter.count=function(a,b){var c=a||0,d=goog.isDef(b)?b:1,e=new goog.iter.Iterator;e.next=function(){var a=c;c+=d;return a};return e};
-goog.iter.repeat=function(a){var b=new goog.iter.Iterator;b.next=goog.functions.constant(a);return b};goog.iter.accumulate=function(a){var b=goog.iter.toIterator(a),c=0;a=new goog.iter.Iterator;a.next=function(){return c+=b.next()};return a};goog.iter.zip=function(a){var b=arguments,c=new goog.iter.Iterator;if(0<b.length){var d=goog.array.map(b,goog.iter.toIterator);c.next=function(){return goog.array.map(d,function(a){return a.next()})}}return c};
-goog.iter.zipLongest=function(a,b){var c=goog.array.slice(arguments,1),d=new goog.iter.Iterator;if(0<c.length){var e=goog.array.map(c,goog.iter.toIterator);d.next=function(){var b=!1,c=goog.array.map(e,function(c){try{var d=c.next();b=!0}catch(l){if(l!==goog.iter.StopIteration)throw l;d=a}return d});if(!b)throw goog.iter.StopIteration;return c}}return d};goog.iter.compress=function(a,b){var c=goog.iter.toIterator(b);return goog.iter.filter(a,function(){return!!c.next()})};
-goog.iter.GroupByIterator_=function(a,b){this.iterator=goog.iter.toIterator(a);this.keyFunc=b||goog.functions.identity};goog.inherits(goog.iter.GroupByIterator_,goog.iter.Iterator);goog.iter.GroupByIterator_.prototype.next=function(){for(;this.currentKey==this.targetKey;)this.currentValue=this.iterator.next(),this.currentKey=this.keyFunc(this.currentValue);this.targetKey=this.currentKey;return[this.currentKey,this.groupItems_(this.targetKey)]};
-goog.iter.GroupByIterator_.prototype.groupItems_=function(a){for(var b=[];this.currentKey==a;){b.push(this.currentValue);try{this.currentValue=this.iterator.next()}catch(c){if(c!==goog.iter.StopIteration)throw c;break}this.currentKey=this.keyFunc(this.currentValue)}return b};goog.iter.groupBy=function(a,b){return new goog.iter.GroupByIterator_(a,b)};
-goog.iter.starMap=function(a,b,c){var d=goog.iter.toIterator(a);a=new goog.iter.Iterator;a.next=function(){var a=goog.iter.toArray(d.next());return b.apply(c,goog.array.concat(a,void 0,d))};return a};
-goog.iter.tee=function(a,b){var c=goog.iter.toIterator(a),d=goog.isNumber(b)?b:2,e=goog.array.map(goog.array.range(d),function(){return[]}),f=function(){var a=c.next();goog.array.forEach(e,function(b){b.push(a)})};return goog.array.map(e,function(a){var b=new goog.iter.Iterator;b.next=function(){goog.array.isEmpty(a)&&f();goog.asserts.assert(!goog.array.isEmpty(a));return a.shift()};return b})};goog.iter.enumerate=function(a,b){return goog.iter.zip(goog.iter.count(b),a)};
-goog.iter.limit=function(a,b){goog.asserts.assert(goog.math.isInt(b)&&0<=b);var c=goog.iter.toIterator(a),d=new goog.iter.Iterator,e=b;d.next=function(){if(0<e--)return c.next();throw goog.iter.StopIteration;};return d};goog.iter.consume=function(a,b){goog.asserts.assert(goog.math.isInt(b)&&0<=b);for(var c=goog.iter.toIterator(a);0<b--;)goog.iter.nextOrValue(c,null);return c};
-goog.iter.slice=function(a,b,c){goog.asserts.assert(goog.math.isInt(b)&&0<=b);a=goog.iter.consume(a,b);goog.isNumber(c)&&(goog.asserts.assert(goog.math.isInt(c)&&c>=b),a=goog.iter.limit(a,c-b));return a};goog.iter.hasDuplicates_=function(a){var b=[];goog.array.removeDuplicates(a,b);return a.length!=b.length};goog.iter.permutations=function(a,b){var c=goog.iter.toArray(a),d=goog.isNumber(b)?b:c.length;c=goog.array.repeat(c,d);c=goog.iter.product.apply(void 0,c);return goog.iter.filter(c,function(a){return!goog.iter.hasDuplicates_(a)})};
-goog.iter.combinations=function(a,b){function c(a){return d[a]}var d=goog.iter.toArray(a),e=goog.iter.range(d.length);e=goog.iter.permutations(e,b);var f=goog.iter.filter(e,function(a){return goog.array.isSorted(a)});e=new goog.iter.Iterator;e.next=function(){return goog.array.map(f.next(),c)};return e};
-goog.iter.combinationsWithReplacement=function(a,b){function c(a){return d[a]}var d=goog.iter.toArray(a),e=goog.array.range(d.length);e=goog.array.repeat(e,b);e=goog.iter.product.apply(void 0,e);var f=goog.iter.filter(e,function(a){return goog.array.isSorted(a)});e=new goog.iter.Iterator;e.next=function(){return goog.array.map(f.next(),c)};return e};goog.dom.TagWalkType={START_TAG:1,OTHER:0,END_TAG:-1};goog.dom.TagIterator=function(a,b,c,d,e){this.reversed=!!b;this.node=null;this.tagType=goog.dom.TagWalkType.OTHER;this.started_=!1;this.constrained=!c;a&&this.setPosition(a,d);this.depth=void 0!=e?e:this.tagType||0;this.reversed&&(this.depth*=-1)};goog.inherits(goog.dom.TagIterator,goog.iter.Iterator);
-goog.dom.TagIterator.prototype.setPosition=function(a,b,c){if(this.node=a)goog.isNumber(b)?this.tagType=b:this.tagType=this.node.nodeType!=goog.dom.NodeType.ELEMENT?goog.dom.TagWalkType.OTHER:this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;goog.isNumber(c)&&(this.depth=c)};goog.dom.TagIterator.prototype.copyFrom=function(a){this.node=a.node;this.tagType=a.tagType;this.depth=a.depth;this.reversed=a.reversed;this.constrained=a.constrained};
-goog.dom.TagIterator.prototype.clone=function(){return new goog.dom.TagIterator(this.node,this.reversed,!this.constrained,this.tagType,this.depth)};goog.dom.TagIterator.prototype.skipTag=function(){var a=this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;this.tagType==a&&(this.tagType=-1*a,this.depth+=this.tagType*(this.reversed?-1:1))};
-goog.dom.TagIterator.prototype.restartTag=function(){var a=this.reversed?goog.dom.TagWalkType.START_TAG:goog.dom.TagWalkType.END_TAG;this.tagType==a&&(this.tagType=-1*a,this.depth+=this.tagType*(this.reversed?-1:1))};
-goog.dom.TagIterator.prototype.next=function(){if(this.started_){if(!this.node||this.constrained&&0==this.depth)throw goog.iter.StopIteration;var a=this.node;var b=this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;if(this.tagType==b){var c=this.reversed?a.lastChild:a.firstChild;c?this.setPosition(c):this.setPosition(a,-1*b)}else(c=this.reversed?a.previousSibling:a.nextSibling)?this.setPosition(c):this.setPosition(a.parentNode,-1*b);this.depth+=this.tagType*(this.reversed?-1:
-1)}else this.started_=!0;a=this.node;if(!this.node)throw goog.iter.StopIteration;return a};goog.dom.TagIterator.prototype.isStarted=function(){return this.started_};goog.dom.TagIterator.prototype.isStartTag=function(){return this.tagType==goog.dom.TagWalkType.START_TAG};goog.dom.TagIterator.prototype.isEndTag=function(){return this.tagType==goog.dom.TagWalkType.END_TAG};goog.dom.TagIterator.prototype.isNonElement=function(){return this.tagType==goog.dom.TagWalkType.OTHER};
-goog.dom.TagIterator.prototype.equals=function(a){return a.node==this.node&&(!this.node||a.tagType==this.tagType)};goog.dom.TagIterator.prototype.splice=function(a){var b=this.node;this.restartTag();this.reversed=!this.reversed;goog.dom.TagIterator.prototype.next.call(this);this.reversed=!this.reversed;for(var c=goog.isArrayLike(arguments[0])?arguments[0]:arguments,d=c.length-1;0<=d;d--)goog.dom.insertSiblingAfter(c[d],b);goog.dom.removeNode(b)};goog.dom.NodeIterator=function(a,b,c,d){goog.dom.TagIterator.call(this,a,b,c,null,d)};goog.inherits(goog.dom.NodeIterator,goog.dom.TagIterator);goog.dom.NodeIterator.prototype.next=function(){do goog.dom.NodeIterator.superClass_.next.call(this);while(this.isEndTag());return this.node};goog.ui.PaletteRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.PaletteRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.PaletteRenderer);goog.ui.PaletteRenderer.cellId_=0;goog.ui.PaletteRenderer.CSS_CLASS="goog-palette";goog.ui.PaletteRenderer.prototype.createDom=function(a){var b=this.getClassNames(a);a=a.getDomHelper().createDom("DIV",b,this.createGrid(a.getContent(),a.getSize(),a.getDomHelper()));goog.a11y.aria.setRole(a,goog.a11y.aria.Role.GRID);return a};
-goog.ui.PaletteRenderer.prototype.createGrid=function(a,b,c){for(var d=[],e=0,f=0;e<b.height;e++){for(var g=[],h=0;h<b.width;h++){var k=a&&a[f++];g.push(this.createCell(k,c))}d.push(this.createRow(g,c))}return this.createTable(d,c)};goog.ui.PaletteRenderer.prototype.createTable=function(a,b){var c=b.createDom("TABLE",this.getCssClass()+"-table",b.createDom("TBODY",this.getCssClass()+"-body",a));c.cellSpacing="0";c.cellPadding="0";return c};
-goog.ui.PaletteRenderer.prototype.createRow=function(a,b){var c=b.createDom("TR",this.getCssClass()+"-row",a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.ROW);return c};
-goog.ui.PaletteRenderer.prototype.createCell=function(a,b){var c=b.createDom("TD",{"class":this.getCssClass()+"-cell",id:this.getCssClass()+"-cell-"+goog.ui.PaletteRenderer.cellId_++},a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.GRIDCELL);goog.a11y.aria.setState(c,goog.a11y.aria.State.SELECTED,!1);if(!goog.dom.getTextContent(c)&&!goog.a11y.aria.getLabel(c)){var d=this.findAriaLabelForCell_(c);d&&goog.a11y.aria.setLabel(c,d)}return c};
-goog.ui.PaletteRenderer.prototype.findAriaLabelForCell_=function(a){a=new goog.dom.NodeIterator(a);for(var b="",c;!b&&(c=goog.iter.nextOrValue(a,null));)c.nodeType==goog.dom.NodeType.ELEMENT&&(b=goog.a11y.aria.getLabel(c)||c.title);return b};goog.ui.PaletteRenderer.prototype.canDecorate=function(a){return!1};goog.ui.PaletteRenderer.prototype.decorate=function(a,b){return null};
-goog.ui.PaletteRenderer.prototype.setContent=function(a,b){if(a){var c=goog.dom.getElementsByTagNameAndClass("TBODY",this.getCssClass()+"-body",a)[0];if(c){var d=0;goog.array.forEach(c.rows,function(a){goog.array.forEach(a.cells,function(a){goog.dom.removeChildren(a);if(b){var c=b[d++];c&&goog.dom.appendChild(a,c)}})});if(d<b.length){for(var e=[],f=goog.dom.getDomHelper(a),g=c.rows[0].cells.length;d<b.length;){var h=b[d++];e.push(this.createCell(h,f));e.length==g&&(h=this.createRow(e,f),goog.dom.appendChild(c,
-h),e.length=0)}if(0<e.length){for(;e.length<g;)e.push(this.createCell("",f));h=this.createRow(e,f);goog.dom.appendChild(c,h)}}}goog.style.setUnselectable(a,!0,goog.userAgent.GECKO)}};goog.ui.PaletteRenderer.prototype.getContainingItem=function(a,b){for(var c=a.getElement();b&&b.nodeType==goog.dom.NodeType.ELEMENT&&b!=c;){if("TD"==b.tagName&&goog.dom.classlist.contains(b,this.getCssClass()+"-cell"))return b.firstChild;b=b.parentNode}return null};
-goog.ui.PaletteRenderer.prototype.highlightCell=function(a,b,c){b&&(b=this.getCellForItem(b),goog.asserts.assert(b),goog.dom.classlist.enable(b,this.getCssClass()+"-cell-hover",c),c?goog.a11y.aria.setState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT,b.id):b.id==goog.a11y.aria.getState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT)&&goog.a11y.aria.removeState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT))};
-goog.ui.PaletteRenderer.prototype.getCellForItem=function(a){return a?a.parentNode:null};goog.ui.PaletteRenderer.prototype.selectCell=function(a,b,c){b&&(a=b.parentNode,goog.dom.classlist.enable(a,this.getCssClass()+"-cell-selected",c),goog.a11y.aria.setState(a,goog.a11y.aria.State.SELECTED,c))};goog.ui.PaletteRenderer.prototype.getCssClass=function(){return goog.ui.PaletteRenderer.CSS_CLASS};goog.ui.SelectionModel=function(a){goog.events.EventTarget.call(this);this.items_=[];this.addItems(a)};goog.inherits(goog.ui.SelectionModel,goog.events.EventTarget);goog.tagUnsealableClass(goog.ui.SelectionModel);goog.ui.SelectionModel.prototype.selectedItem_=null;goog.ui.SelectionModel.prototype.selectionHandler_=null;goog.ui.SelectionModel.prototype.getSelectionHandler=function(){return this.selectionHandler_};
-goog.ui.SelectionModel.prototype.setSelectionHandler=function(a){this.selectionHandler_=a};goog.ui.SelectionModel.prototype.getItemCount=function(){return this.items_.length};goog.ui.SelectionModel.prototype.indexOfItem=function(a){return a?goog.array.indexOf(this.items_,a):-1};goog.ui.SelectionModel.prototype.getFirst=function(){return this.items_[0]};goog.ui.SelectionModel.prototype.getLast=function(){return this.items_[this.items_.length-1]};
-goog.ui.SelectionModel.prototype.getItemAt=function(a){return this.items_[a]||null};goog.ui.SelectionModel.prototype.addItems=function(a){a&&(goog.array.forEach(a,function(a){this.selectItem_(a,!1)},this),goog.array.extend(this.items_,a))};goog.ui.SelectionModel.prototype.addItem=function(a){this.addItemAt(a,this.getItemCount())};goog.ui.SelectionModel.prototype.addItemAt=function(a,b){a&&(this.selectItem_(a,!1),goog.array.insertAt(this.items_,a,b))};
-goog.ui.SelectionModel.prototype.removeItem=function(a){a&&goog.array.remove(this.items_,a)&&a==this.selectedItem_&&(this.selectedItem_=null,this.dispatchEvent(goog.events.EventType.SELECT))};goog.ui.SelectionModel.prototype.removeItemAt=function(a){this.removeItem(this.getItemAt(a))};goog.ui.SelectionModel.prototype.getSelectedItem=function(){return this.selectedItem_};goog.ui.SelectionModel.prototype.getItems=function(){return goog.array.clone(this.items_)};
-goog.ui.SelectionModel.prototype.setSelectedItem=function(a){a!=this.selectedItem_&&(this.selectItem_(this.selectedItem_,!1),this.selectedItem_=a,this.selectItem_(a,!0));this.dispatchEvent(goog.events.EventType.SELECT)};goog.ui.SelectionModel.prototype.getSelectedIndex=function(){return this.indexOfItem(this.selectedItem_)};goog.ui.SelectionModel.prototype.setSelectedIndex=function(a){this.setSelectedItem(this.getItemAt(a))};
-goog.ui.SelectionModel.prototype.clear=function(){goog.array.clear(this.items_);this.selectedItem_=null};goog.ui.SelectionModel.prototype.disposeInternal=function(){goog.ui.SelectionModel.superClass_.disposeInternal.call(this);delete this.items_;this.selectedItem_=null};goog.ui.SelectionModel.prototype.selectItem_=function(a,b){a&&("function"==typeof this.selectionHandler_?this.selectionHandler_(a,b):"function"==typeof a.setSelected&&a.setSelected(b))};goog.ui.Palette=function(a,b,c){goog.ui.Control.call(this,a,b||goog.ui.PaletteRenderer.getInstance(),c);this.setAutoStates(goog.ui.Component.State.CHECKED|goog.ui.Component.State.SELECTED|goog.ui.Component.State.OPENED,!1);this.currentCellControl_=new goog.ui.Palette.CurrentCell_;this.currentCellControl_.setParentEventTarget(this);this.lastHighlightedIndex_=-1};goog.inherits(goog.ui.Palette,goog.ui.Control);goog.tagUnsealableClass(goog.ui.Palette);goog.ui.Palette.EventType={AFTER_HIGHLIGHT:goog.events.getUniqueId("afterhighlight")};
-goog.ui.Palette.prototype.size_=null;goog.ui.Palette.prototype.highlightedIndex_=-1;goog.ui.Palette.prototype.selectionModel_=null;goog.ui.Palette.prototype.disposeInternal=function(){goog.ui.Palette.superClass_.disposeInternal.call(this);this.selectionModel_&&(this.selectionModel_.dispose(),this.selectionModel_=null);this.size_=null;this.currentCellControl_.dispose()};
-goog.ui.Palette.prototype.setContentInternal=function(a){goog.ui.Palette.superClass_.setContentInternal.call(this,a);this.adjustSize_();this.selectionModel_?(this.selectionModel_.clear(),this.selectionModel_.addItems(a)):(this.selectionModel_=new goog.ui.SelectionModel(a),this.selectionModel_.setSelectionHandler(goog.bind(this.selectItem_,this)),this.getHandler().listen(this.selectionModel_,goog.events.EventType.SELECT,this.handleSelectionChange));this.highlightedIndex_=-1};
-goog.ui.Palette.prototype.getCaption=function(){return""};goog.ui.Palette.prototype.setCaption=function(a){};goog.ui.Palette.prototype.handleMouseOver=function(a){goog.ui.Palette.superClass_.handleMouseOver.call(this,a);var b=this.getRenderer().getContainingItem(this,a.target);b&&a.relatedTarget&&goog.dom.contains(b,a.relatedTarget)||b!=this.getHighlightedItem()&&this.setHighlightedItem(b)};
-goog.ui.Palette.prototype.handleMouseDown=function(a){goog.ui.Palette.superClass_.handleMouseDown.call(this,a);this.isActive()&&(a=this.getRenderer().getContainingItem(this,a.target),a!=this.getHighlightedItem()&&this.setHighlightedItem(a))};goog.ui.Palette.prototype.performActionInternal=function(a){var b=this.getHighlightedItem();return b?(a&&this.shouldSelectHighlightedItem_(a)&&this.setSelectedItem(b),goog.ui.Palette.superClass_.performActionInternal.call(this,a)):!1};
-goog.ui.Palette.prototype.shouldSelectHighlightedItem_=function(a){return this.getSelectedItem()?"mouseup"!=a.type?!0:!!this.getRenderer().getContainingItem(this,a.target):!0};
-goog.ui.Palette.prototype.handleKeyEvent=function(a){var b=this.getContent();b=b?b.length:0;var c=this.size_.width;if(0==b||!this.isEnabled())return!1;if(a.keyCode==goog.events.KeyCodes.ENTER||a.keyCode==goog.events.KeyCodes.SPACE)return this.performActionInternal(a);if(a.keyCode==goog.events.KeyCodes.HOME)return this.setHighlightedIndex(0),!0;if(a.keyCode==goog.events.KeyCodes.END)return this.setHighlightedIndex(b-1),!0;var d=0>this.highlightedIndex_?this.getSelectedIndex():this.highlightedIndex_;
-switch(a.keyCode){case goog.events.KeyCodes.LEFT:if(-1==d||0==d)d=b;this.setHighlightedIndex(d-1);a.preventDefault();return!0;case goog.events.KeyCodes.RIGHT:return d==b-1&&(d=-1),this.setHighlightedIndex(d+1),a.preventDefault(),!0;case goog.events.KeyCodes.UP:-1==d&&(d=b+c-1);if(d>=c)return this.setHighlightedIndex(d-c),a.preventDefault(),!0;break;case goog.events.KeyCodes.DOWN:if(-1==d&&(d=-c),d<b-c)return this.setHighlightedIndex(d+c),a.preventDefault(),!0}return!1};
-goog.ui.Palette.prototype.handleSelectionChange=function(a){};goog.ui.Palette.prototype.getSize=function(){return this.size_};goog.ui.Palette.prototype.setSize=function(a,b){if(this.getElement())throw Error(goog.ui.Component.Error.ALREADY_RENDERED);this.size_=goog.isNumber(a)?new goog.math.Size(a,b):a;this.adjustSize_()};goog.ui.Palette.prototype.getHighlightedIndex=function(){return this.highlightedIndex_};
-goog.ui.Palette.prototype.getHighlightedItem=function(){var a=this.getContent();return a&&a[this.highlightedIndex_]};goog.ui.Palette.prototype.getHighlightedCellElement_=function(){return this.getRenderer().getCellForItem(this.getHighlightedItem())};goog.ui.Palette.prototype.setHighlightedIndex=function(a){a!=this.highlightedIndex_&&(this.highlightIndex_(this.highlightedIndex_,!1),this.lastHighlightedIndex_=this.highlightedIndex_,this.highlightedIndex_=a,this.highlightIndex_(a,!0),this.dispatchEvent(goog.ui.Palette.EventType.AFTER_HIGHLIGHT))};
-goog.ui.Palette.prototype.setHighlightedItem=function(a){var b=this.getContent();this.setHighlightedIndex(b&&a?goog.array.indexOf(b,a):-1)};goog.ui.Palette.prototype.getSelectedIndex=function(){return this.selectionModel_?this.selectionModel_.getSelectedIndex():-1};goog.ui.Palette.prototype.getSelectedItem=function(){return this.selectionModel_?this.selectionModel_.getSelectedItem():null};goog.ui.Palette.prototype.setSelectedIndex=function(a){this.selectionModel_&&this.selectionModel_.setSelectedIndex(a)};
-goog.ui.Palette.prototype.setSelectedItem=function(a){this.selectionModel_&&this.selectionModel_.setSelectedItem(a)};goog.ui.Palette.prototype.highlightIndex_=function(a,b){if(this.getElement()){var c=this.getContent();if(c&&0<=a&&a<c.length){var d=this.getHighlightedCellElement_();this.currentCellControl_.getElement()!=d&&this.currentCellControl_.setElementInternal(d);this.currentCellControl_.tryHighlight(b)&&this.getRenderer().highlightCell(this,c[a],b)}}};
-goog.ui.Palette.prototype.setHighlighted=function(a){a&&-1==this.highlightedIndex_?this.setHighlightedIndex(-1<this.lastHighlightedIndex_?this.lastHighlightedIndex_:0):a||this.setHighlightedIndex(-1);goog.ui.Palette.superClass_.setHighlighted.call(this,a)};goog.ui.Palette.prototype.selectItem_=function(a,b){this.getElement()&&this.getRenderer().selectCell(this,a,b)};
-goog.ui.Palette.prototype.adjustSize_=function(){var a=this.getContent();if(a)if(this.size_&&this.size_.width){if(a=Math.ceil(a.length/this.size_.width),!goog.isNumber(this.size_.height)||this.size_.height<a)this.size_.height=a}else a=Math.ceil(Math.sqrt(a.length)),this.size_=new goog.math.Size(a,a);else this.size_=new goog.math.Size(0,0)};goog.ui.Palette.CurrentCell_=function(){goog.ui.Control.call(this,null);this.setDispatchTransitionEvents(goog.ui.Component.State.HOVER,!0)};
-goog.inherits(goog.ui.Palette.CurrentCell_,goog.ui.Control);goog.ui.Palette.CurrentCell_.prototype.tryHighlight=function(a){this.setHighlighted(a);return this.isHighlighted()==a};goog.ui.ColorPalette=function(a,b,c){this.colors_=a||[];goog.ui.Palette.call(this,null,b||goog.ui.PaletteRenderer.getInstance(),c);this.setColors(this.colors_)};goog.inherits(goog.ui.ColorPalette,goog.ui.Palette);goog.tagUnsealableClass(goog.ui.ColorPalette);goog.ui.ColorPalette.prototype.normalizedColors_=null;goog.ui.ColorPalette.prototype.labels_=null;goog.ui.ColorPalette.prototype.getColors=function(){return this.colors_};
-goog.ui.ColorPalette.prototype.setColors=function(a,b){this.colors_=a;this.labels_=b||null;this.normalizedColors_=null;this.setContent(this.createColorNodes())};goog.ui.ColorPalette.prototype.getSelectedColor=function(){var a=this.getSelectedItem();return a?(a=goog.style.getStyle(a,"background-color"),goog.ui.ColorPalette.parseColor_(a)):null};
-goog.ui.ColorPalette.prototype.setSelectedColor=function(a){a=goog.ui.ColorPalette.parseColor_(a);this.normalizedColors_||(this.normalizedColors_=goog.array.map(this.colors_,function(a){return goog.ui.ColorPalette.parseColor_(a)}));this.setSelectedIndex(a?goog.array.indexOf(this.normalizedColors_,a):-1)};
-goog.ui.ColorPalette.prototype.createColorNodes=function(){return goog.array.map(this.colors_,function(a,b){var c=this.getDomHelper().createDom("DIV",{"class":this.getRenderer().getCssClass()+"-colorswatch",style:"background-color:"+a});c.title=this.labels_&&this.labels_[b]?this.labels_[b]:"#"==a.charAt(0)?"RGB ("+goog.color.hexToRgb(a).join(", ")+")":a;return c},this)};goog.ui.ColorPalette.parseColor_=function(a){if(a)try{return goog.color.parse(a).hex}catch(b){}return null};goog.ui.ColorPicker=function(a,b){goog.ui.Component.call(this,a);this.colorPalette_=b||null;this.getHandler().listen(this,goog.ui.Component.EventType.ACTION,this.onColorPaletteAction_)};goog.inherits(goog.ui.ColorPicker,goog.ui.Component);goog.ui.ColorPicker.DEFAULT_NUM_COLS=5;goog.ui.ColorPicker.EventType={CHANGE:"change"};goog.ui.ColorPicker.prototype.focusable_=!0;goog.ui.ColorPicker.prototype.getColors=function(){return this.colorPalette_?this.colorPalette_.getColors():null};
-goog.ui.ColorPicker.prototype.setColors=function(a){this.colorPalette_?this.colorPalette_.setColors(a):this.createColorPalette_(a)};goog.ui.ColorPicker.prototype.addColors=function(a){this.setColors(a)};goog.ui.ColorPicker.prototype.setSize=function(a){this.colorPalette_||this.createColorPalette_([]);this.colorPalette_.setSize(a)};goog.ui.ColorPicker.prototype.getSize=function(){return this.colorPalette_?this.colorPalette_.getSize():null};goog.ui.ColorPicker.prototype.setColumnCount=function(a){this.setSize(a)};
-goog.ui.ColorPicker.prototype.getSelectedIndex=function(){return this.colorPalette_?this.colorPalette_.getSelectedIndex():-1};goog.ui.ColorPicker.prototype.setSelectedIndex=function(a){this.colorPalette_&&this.colorPalette_.setSelectedIndex(a)};goog.ui.ColorPicker.prototype.getSelectedColor=function(){return this.colorPalette_?this.colorPalette_.getSelectedColor():null};goog.ui.ColorPicker.prototype.setSelectedColor=function(a){this.colorPalette_&&this.colorPalette_.setSelectedColor(a)};
-goog.ui.ColorPicker.prototype.isFocusable=function(){return this.focusable_};goog.ui.ColorPicker.prototype.setFocusable=function(a){this.focusable_=a;this.colorPalette_&&this.colorPalette_.setSupportedState(goog.ui.Component.State.FOCUSED,a)};goog.ui.ColorPicker.prototype.canDecorate=function(a){return!1};
-goog.ui.ColorPicker.prototype.enterDocument=function(){goog.ui.ColorPicker.superClass_.enterDocument.call(this);this.colorPalette_&&this.colorPalette_.render(this.getElement());this.getElement().unselectable="on"};goog.ui.ColorPicker.prototype.disposeInternal=function(){goog.ui.ColorPicker.superClass_.disposeInternal.call(this);this.colorPalette_&&(this.colorPalette_.dispose(),this.colorPalette_=null)};goog.ui.ColorPicker.prototype.focus=function(){this.colorPalette_&&this.colorPalette_.getElement().focus()};
-goog.ui.ColorPicker.prototype.onColorPaletteAction_=function(a){a.stopPropagation();this.dispatchEvent(goog.ui.ColorPicker.EventType.CHANGE)};goog.ui.ColorPicker.prototype.createColorPalette_=function(a){a=new goog.ui.ColorPalette(a,null,this.getDomHelper());a.setSize(goog.ui.ColorPicker.DEFAULT_NUM_COLS);a.setSupportedState(goog.ui.Component.State.FOCUSED,this.focusable_);this.addChild(a);this.colorPalette_=a;this.isInDocument()&&this.colorPalette_.render(this.getElement())};
-goog.ui.ColorPicker.createSimpleColorGrid=function(a){a=new goog.ui.ColorPicker(a);a.setSize(7);a.setColors(goog.ui.ColorPicker.SIMPLE_GRID_COLORS);return a};goog.ui.ColorPicker.SIMPLE_GRID_COLORS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");goog.events.FocusHandler=function(a){goog.events.EventTarget.call(this);this.element_=a;a=goog.userAgent.IE?"focusout":"blur";this.listenKeyIn_=goog.events.listen(this.element_,goog.userAgent.IE?"focusin":"focus",this,!goog.userAgent.IE);this.listenKeyOut_=goog.events.listen(this.element_,a,this,!goog.userAgent.IE)};goog.inherits(goog.events.FocusHandler,goog.events.EventTarget);goog.events.FocusHandler.EventType={FOCUSIN:"focusin",FOCUSOUT:"focusout"};
+goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass("DIV",b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.events.FocusHandler=function(a){goog.events.EventTarget.call(this);this.element_=a;a=goog.userAgent.IE?"focusout":"blur";this.listenKeyIn_=goog.events.listen(this.element_,goog.userAgent.IE?"focusin":"focus",this,!goog.userAgent.IE);this.listenKeyOut_=goog.events.listen(this.element_,a,this,!goog.userAgent.IE)};goog.inherits(goog.events.FocusHandler,goog.events.EventTarget);goog.events.FocusHandler.EventType={FOCUSIN:"focusin",FOCUSOUT:"focusout"};
 goog.events.FocusHandler.prototype.handleEvent=function(a){var b=a.getBrowserEvent();b=new goog.events.BrowserEvent(b);b.type="focusin"==a.type||"focus"==a.type?goog.events.FocusHandler.EventType.FOCUSIN:goog.events.FocusHandler.EventType.FOCUSOUT;this.dispatchEvent(b)};goog.events.FocusHandler.prototype.disposeInternal=function(){goog.events.FocusHandler.superClass_.disposeInternal.call(this);goog.events.unlistenByKey(this.listenKeyIn_);goog.events.unlistenByKey(this.listenKeyOut_);delete this.element_};goog.debug.LogRecord=function(a,b,c,d,e){this.reset(a,b,c,d,e)};goog.debug.LogRecord.prototype.sequenceNumber_=0;goog.debug.LogRecord.prototype.exception_=null;goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS=!0;goog.debug.LogRecord.nextSequenceNumber_=0;
 goog.debug.LogRecord.prototype.reset=function(a,b,c,d,e){goog.debug.LogRecord.ENABLE_SEQUENCE_NUMBERS&&(this.sequenceNumber_="number"==typeof e?e:goog.debug.LogRecord.nextSequenceNumber_++);this.time_=d||goog.now();this.level_=a;this.msg_=b;this.loggerName_=c;delete this.exception_};goog.debug.LogRecord.prototype.getLoggerName=function(){return this.loggerName_};goog.debug.LogRecord.prototype.getException=function(){return this.exception_};
 goog.debug.LogRecord.prototype.setException=function(a){this.exception_=a};goog.debug.LogRecord.prototype.setLoggerName=function(a){this.loggerName_=a};goog.debug.LogRecord.prototype.getLevel=function(){return this.level_};goog.debug.LogRecord.prototype.setLevel=function(a){this.level_=a};goog.debug.LogRecord.prototype.getMessage=function(){return this.msg_};goog.debug.LogRecord.prototype.setMessage=function(a){this.msg_=a};goog.debug.LogRecord.prototype.getMillis=function(){return this.time_};
@@ -943,14 +886,15 @@ Blockly.utils.wrapLine_=function(a,b){if(a.length<=b)return a;for(var c=a.trim()
 Blockly.utils.wrapScore_=function(a,b,c){for(var d=[0],e=[],f=0;f<a.length;f++)d[d.length-1]+=a[f].length,!0===b[f]?(d.push(0),e.push(a[f].charAt(a[f].length-1))):!1===b[f]&&d[d.length-1]++;a=Math.max.apply(Math,d);for(f=b=0;f<d.length;f++)b-=2*Math.pow(Math.abs(c-d[f]),1.5),b-=Math.pow(a-d[f],1.5),-1!=".?!".indexOf(e[f])?b+=c/3:-1!=",;)]}".indexOf(e[f])&&(b+=c/4);1<d.length&&d[d.length-1]<=d[d.length-2]&&(b+=.5);return b};
 Blockly.utils.wrapMutate_=function(a,b,c){for(var d=Blockly.utils.wrapScore_(a,b,c),e,f=0;f<b.length-1;f++)if(b[f]!=b[f+1]){var g=[].concat(b);g[f]=!g[f];g[f+1]=!g[f+1];var h=Blockly.utils.wrapScore_(a,g,c);h>d&&(d=h,e=g)}return e?Blockly.utils.wrapMutate_(a,e,c):b};Blockly.utils.wrapToText_=function(a,b){for(var c=[],d=0;d<a.length;d++)c.push(a[d]),void 0!==b[d]&&c.push(b[d]?"\n":" ");return c.join("")};
 Blockly.utils.is3dSupported=function(){if(void 0!==Blockly.utils.is3dSupported.cached_)return Blockly.utils.is3dSupported.cached_;if(!goog.global.getComputedStyle)return!1;var a=document.createElement("p"),b="none",c={webkitTransform:"-webkit-transform",OTransform:"-o-transform",msTransform:"-ms-transform",MozTransform:"-moz-transform",transform:"transform"};document.body.insertBefore(a,null);for(var d in c)if(void 0!==a.style[d]){a.style[d]="translate3d(1px,1px,1px)";b=goog.global.getComputedStyle(a);
-if(!b)return document.body.removeChild(a),!1;b=b.getPropertyValue(c[d])}document.body.removeChild(a);Blockly.utils.is3dSupported.cached_="none"!==b;return Blockly.utils.is3dSupported.cached_};Blockly.utils.insertAfter_=function(a,b){var c=b.nextSibling,d=b.parentNode;if(!d)throw Error("Reference node has no parent.");c?d.insertBefore(a,c):d.appendChild(a)};
+if(!b)return document.body.removeChild(a),!1;b=b.getPropertyValue(c[d])}document.body.removeChild(a);Blockly.utils.is3dSupported.cached_="none"!==b;return Blockly.utils.is3dSupported.cached_};Blockly.utils.insertAfter=function(a,b){var c=b.nextSibling,d=b.parentNode;if(!d)throw Error("Reference node has no parent.");c?d.insertBefore(a,c):d.appendChild(a)};
 Blockly.utils.runAfterPageLoad=function(a){if("object"!=typeof document)throw Error("Blockly.utils.runAfterPageLoad() requires browser document.");if("complete"===document.readyState)a();else var b=setInterval(function(){"complete"===document.readyState&&(clearInterval(b),a())},10)};Blockly.utils.setCssTransform=function(a,b){a.style.transform=b;a.style["-webkit-transform"]=b};
 Blockly.utils.getViewportBBox=function(){var a=goog.dom.getViewportSize(),b=goog.style.getViewportPageOffset(document);return{right:a.width+b.x,bottom:a.height+b.y,top:b.y,left:b.x}};Blockly.utils.startsWith=function(a,b){return 0==a.lastIndexOf(b,0)};Blockly.utils.arrayRemove=function(a,b){var c=a.indexOf(b);if(-1==c)return!1;a.splice(c,1);return!0};Blockly.utils.toRadians=function(a){return a*Math.PI/180};Blockly.utils.toDegrees=function(a){return 180*a/Math.PI};
+Blockly.utils.containsNode=function(a,b){return!!(a.compareDocumentPosition(b)&Node.DOCUMENT_POSITION_CONTAINED_BY)};
 Blockly.Touch={};Blockly.Touch.touchIdentifier_=null;Blockly.Touch.TOUCH_MAP={};
 goog.global.PointerEvent?Blockly.Touch.TOUCH_MAP={mousedown:["pointerdown"],mouseenter:["pointerenter"],mouseleave:["pointerleave"],mousemove:["pointermove"],mouseout:["pointerout"],mouseover:["pointerover"],mouseup:["pointerup","pointercancel"],touchend:["pointerup"],touchcancel:["pointercancel"]}:goog.events.BrowserFeature.TOUCH_ENABLED&&(Blockly.Touch.TOUCH_MAP={mousedown:["touchstart"],mousemove:["touchmove"],mouseup:["touchend","touchcancel"]});Blockly.longPid_=0;
 Blockly.longStart_=function(a,b){Blockly.longStop_();a.changedTouches&&1!=a.changedTouches.length||(Blockly.longPid_=setTimeout(function(){a.changedTouches&&(a.button=2,a.clientX=a.changedTouches[0].clientX,a.clientY=a.changedTouches[0].clientY);b&&b.handleRightClick(a)},Blockly.LONGPRESS))};Blockly.longStop_=function(){Blockly.longPid_&&(clearTimeout(Blockly.longPid_),Blockly.longPid_=0)};Blockly.Touch.clearTouchIdentifier=function(){Blockly.Touch.touchIdentifier_=null};
-Blockly.Touch.shouldHandleEvent=function(a){return!Blockly.Touch.isMouseOrTouchEvent(a)||Blockly.Touch.checkTouchIdentifier(a)};Blockly.Touch.getTouchIdentifierFromEvent=function(a){return void 0!=a.pointerId?a.pointerId:a.changedTouches&&a.changedTouches[0]&&void 0!=a.changedTouches[0].identifier&&null!=a.changedTouches[0].identifier?a.changedTouches[0].identifier:"mouse"};
-Blockly.Touch.checkTouchIdentifier=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);return void 0!=Blockly.Touch.touchIdentifier_&&null!=Blockly.Touch.touchIdentifier_?Blockly.Touch.touchIdentifier_==b:"mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type?(Blockly.Touch.touchIdentifier_=b,!0):!1};Blockly.Touch.setClientFromTouch=function(a){if(Blockly.utils.startsWith(a.type,"touch")){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}};
+Blockly.Touch.shouldHandleEvent=function(a){return!Blockly.Touch.isMouseOrTouchEvent(a)||Blockly.Touch.checkTouchIdentifier(a)};Blockly.Touch.getTouchIdentifierFromEvent=function(a){return void 0!=a.pointerId?a.pointerId:a.changedTouches&&a.changedTouches[0]&&void 0!==a.changedTouches[0].identifier&&null!==a.changedTouches[0].identifier?a.changedTouches[0].identifier:"mouse"};
+Blockly.Touch.checkTouchIdentifier=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);return void 0!==Blockly.Touch.touchIdentifier_&&null!==Blockly.Touch.touchIdentifier_?Blockly.Touch.touchIdentifier_==b:"mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type?(Blockly.Touch.touchIdentifier_=b,!0):!1};Blockly.Touch.setClientFromTouch=function(a){if(Blockly.utils.startsWith(a.type,"touch")){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}};
 Blockly.Touch.isMouseOrTouchEvent=function(a){return Blockly.utils.startsWith(a.type,"touch")||Blockly.utils.startsWith(a.type,"mouse")||Blockly.utils.startsWith(a.type,"pointer")};Blockly.Touch.isTouchEvent=function(a){return Blockly.utils.startsWith(a.type,"touch")||Blockly.utils.startsWith(a.type,"pointer")};
 Blockly.Touch.splitEventByTouches=function(a){var b=[];if(a.changedTouches)for(var c=0;c<a.changedTouches.length;c++)b[c]={type:a.type,changedTouches:[a.changedTouches[c]],target:a.target,stopPropagation:function(){a.stopPropagation()},preventDefault:function(){a.preventDefault()}};else b.push(a);return b};Blockly.Events={};Blockly.Events.group_="";Blockly.Events.recordUndo=!0;Blockly.Events.disabled_=0;Blockly.Events.CREATE="create";Blockly.Events.BLOCK_CREATE=Blockly.Events.CREATE;Blockly.Events.DELETE="delete";Blockly.Events.BLOCK_DELETE=Blockly.Events.DELETE;Blockly.Events.CHANGE="change";Blockly.Events.BLOCK_CHANGE=Blockly.Events.CHANGE;Blockly.Events.MOVE="move";Blockly.Events.BLOCK_MOVE=Blockly.Events.MOVE;Blockly.Events.VAR_CREATE="var_create";Blockly.Events.VAR_DELETE="var_delete";
 Blockly.Events.VAR_RENAME="var_rename";Blockly.Events.UI="ui";Blockly.Events.COMMENT_CREATE="comment_create";Blockly.Events.COMMENT_DELETE="comment_delete";Blockly.Events.COMMENT_CHANGE="comment_change";Blockly.Events.COMMENT_MOVE="comment_move";Blockly.Events.FIRE_QUEUE_=[];Blockly.Events.fire=function(a){Blockly.Events.isEnabled()&&(Blockly.Events.FIRE_QUEUE_.length||setTimeout(Blockly.Events.fireNow_,0),Blockly.Events.FIRE_QUEUE_.push(a))};
@@ -981,9 +925,9 @@ Blockly.VariableMap.prototype.getVariableUsesById=function(a){for(var b=[],c=thi
 Blockly.Events.CommentChange=function(a,b,c){a&&(Blockly.Events.CommentChange.superClass_.constructor.call(this,a),this.oldContents_=b,this.newContents_=c)};goog.inherits(Blockly.Events.CommentChange,Blockly.Events.CommentBase);Blockly.Events.CommentChange.prototype.type=Blockly.Events.COMMENT_CHANGE;Blockly.Events.CommentChange.prototype.toJson=function(){var a=Blockly.Events.CommentChange.superClass_.toJson.call(this);a.newContents=this.newContents_;return a};
 Blockly.Events.CommentChange.prototype.fromJson=function(a){Blockly.Events.CommentChange.superClass_.fromJson.call(this,a);this.newContents_=a.newValue};Blockly.Events.CommentChange.prototype.isNull=function(){return this.oldContents_==this.newContents_};Blockly.Events.CommentChange.prototype.run=function(a){var b=this.getEventWorkspace_().getCommentById(this.commentId);b?b.setContent(a?this.newContents_:this.oldContents_):console.warn("Can't change non-existent comment: "+this.commentId)};
 Blockly.Events.CommentCreate=function(a){a&&(Blockly.Events.CommentCreate.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentCreate,Blockly.Events.CommentBase);Blockly.Events.CommentCreate.prototype.type=Blockly.Events.COMMENT_CREATE;Blockly.Events.CommentCreate.prototype.toJson=function(){var a=Blockly.Events.CommentCreate.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);return a};
-Blockly.Events.CommentCreate.prototype.fromJson=function(a){Blockly.Events.CommentCreate.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild};Blockly.Events.CommentCreate.prototype.run=function(a){var b=this.getEventWorkspace_();a?(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b)):(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId)};
-Blockly.Events.CommentDelete=function(a){a&&(Blockly.Events.CommentDelete.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentDelete,Blockly.Events.CommentBase);Blockly.Events.CommentDelete.prototype.type=Blockly.Events.COMMENT_DELETE;Blockly.Events.CommentDelete.prototype.toJson=function(){return Blockly.Events.CommentDelete.superClass_.toJson.call(this)};
-Blockly.Events.CommentDelete.prototype.fromJson=function(a){Blockly.Events.CommentDelete.superClass_.fromJson.call(this,a)};Blockly.Events.CommentDelete.prototype.run=function(a){var b=this.getEventWorkspace_();a?(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId):(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b))};
+Blockly.Events.CommentCreate.prototype.fromJson=function(a){Blockly.Events.CommentCreate.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild};Blockly.Events.CommentCreate.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(a)};
+Blockly.Events.CommentCreateDeleteHelper=function(a){var b=this.getEventWorkspace_();a?(a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b)):(b=b.getCommentById(this.commentId))?b.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+this.commentId)};Blockly.Events.CommentDelete=function(a){a&&(Blockly.Events.CommentDelete.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};goog.inherits(Blockly.Events.CommentDelete,Blockly.Events.CommentBase);
+Blockly.Events.CommentDelete.prototype.type=Blockly.Events.COMMENT_DELETE;Blockly.Events.CommentDelete.prototype.toJson=function(){return Blockly.Events.CommentDelete.superClass_.toJson.call(this)};Blockly.Events.CommentDelete.prototype.fromJson=function(a){Blockly.Events.CommentDelete.superClass_.fromJson.call(this,a)};Blockly.Events.CommentDelete.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(!a)};
 Blockly.Events.CommentMove=function(a){a&&(Blockly.Events.CommentMove.superClass_.constructor.call(this,a),this.comment_=a,this.oldCoordinate_=a.getXY(),this.newCoordinate_=null)};goog.inherits(Blockly.Events.CommentMove,Blockly.Events.CommentBase);Blockly.Events.CommentMove.prototype.recordNew=function(){if(!this.comment_)throw Error("Tried to record the new position of a comment on the same event twice.");this.newCoordinate_=this.comment_.getXY();this.comment_=null};
 Blockly.Events.CommentMove.prototype.type=Blockly.Events.COMMENT_MOVE;Blockly.Events.CommentMove.prototype.setOldCoordinate=function(a){this.oldCoordinate_=a};Blockly.Events.CommentMove.prototype.toJson=function(){var a=Blockly.Events.CommentMove.superClass_.toJson.call(this);this.newCoordinate_&&(a.newCoordinate=Math.round(this.newCoordinate_.x)+","+Math.round(this.newCoordinate_.y));return a};
 Blockly.Events.CommentMove.prototype.fromJson=function(a){Blockly.Events.CommentMove.superClass_.fromJson.call(this,a);a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate_=new goog.math.Coordinate(parseFloat(a[0]),parseFloat(a[1])))};Blockly.Events.CommentMove.prototype.isNull=function(){return goog.math.Coordinate.equals(this.oldCoordinate_,this.newCoordinate_)};
@@ -1111,8 +1055,9 @@ Blockly.DraggedConnectionManager.prototype.update=function(a,b){var c=this.close
 Blockly.DraggedConnectionManager.prototype.removeHighlighting_=function(){this.closestConnection_&&this.closestConnection_.unhighlight()};Blockly.DraggedConnectionManager.prototype.addHighlighting_=function(){this.closestConnection_&&this.closestConnection_.highlight()};Blockly.DraggedConnectionManager.prototype.initAvailableConnections_=function(){var a=this.topBlock_.getConnections_(!1),b=this.topBlock_.lastConnectionInStack();b&&b!=this.topBlock_.nextConnection&&a.push(b);return a};
 Blockly.DraggedConnectionManager.prototype.updateClosest_=function(a){var b=this.closestConnection_;this.localConnection_=this.closestConnection_=null;this.radiusConnection_=Blockly.SNAP_RADIUS;for(var c=0;c<this.availableConnections_.length;c++){var d=this.availableConnections_[c],e=d.closest(this.radiusConnection_,a);e.connection&&(this.closestConnection_=e.connection,this.localConnection_=d,this.radiusConnection_=e.radius)}return b!=this.closestConnection_};Blockly.BlockDragger=function(a,b){this.draggingBlock_=a;this.workspace_=b;this.draggedConnectionManager_=new Blockly.DraggedConnectionManager(this.draggingBlock_);this.deleteArea_=null;this.wouldDeleteBlock_=!1;this.startXY_=this.draggingBlock_.getRelativeToSurfaceXY();this.dragIconData_=Blockly.BlockDragger.initIconData_(a)};
 Blockly.BlockDragger.prototype.dispose=function(){this.startWorkspace_=this.workspace_=this.draggingBlock_=null;this.dragIconData_.length=0;this.draggedConnectionManager_&&(this.draggedConnectionManager_.dispose(),this.draggedConnectionManager_=null)};Blockly.BlockDragger.initIconData_=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++){d=d.getIcons();for(var e=0;e<d.length;e++){var f={location:d[e].getIconLocation(),icon:d[e]};b.push(f)}}return b};
-Blockly.BlockDragger.prototype.startBlockDrag=function(a,b){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.workspace_.setResizesEnabled(!1);Blockly.BlockAnimations.disconnectUiStop();if(this.draggingBlock_.getParent()||b&&this.draggingBlock_.nextConnection&&this.draggingBlock_.nextConnection.targetBlock()){this.draggingBlock_.unplug(b);var c=this.pixelsToWorkspaceUnits_(a);c=goog.math.Coordinate.sum(this.startXY_,c);this.draggingBlock_.translate(c.x,c.y);Blockly.BlockAnimations.disconnectUiEffect(this.draggingBlock_)}this.draggingBlock_.setDragging(!0);
-this.draggingBlock_.moveToDragSurface_();if(c=this.workspace_.getToolbox()){var d=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab";c.addStyle(d)}};Blockly.BlockDragger.prototype.dragBlock=function(a,b){var c=this.pixelsToWorkspaceUnits_(b),d=goog.math.Coordinate.sum(this.startXY_,c);this.draggingBlock_.moveDuringDrag(d);this.dragIcons_(c);this.deleteArea_=this.workspace_.isDeleteArea(a);this.draggedConnectionManager_.update(c,this.deleteArea_);this.updateCursorDuringBlockDrag_()};
+Blockly.BlockDragger.prototype.startBlockDrag=function(a,b){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.workspace_.isMutator&&this.draggingBlock_.bringToFront();this.workspace_.setResizesEnabled(!1);Blockly.BlockAnimations.disconnectUiStop();if(this.draggingBlock_.getParent()||b&&this.draggingBlock_.nextConnection&&this.draggingBlock_.nextConnection.targetBlock()){this.draggingBlock_.unplug(b);var c=this.pixelsToWorkspaceUnits_(a);c=goog.math.Coordinate.sum(this.startXY_,c);this.draggingBlock_.translate(c.x,
+c.y);Blockly.BlockAnimations.disconnectUiEffect(this.draggingBlock_)}this.draggingBlock_.setDragging(!0);this.draggingBlock_.moveToDragSurface_();if(c=this.workspace_.getToolbox()){var d=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab";c.addStyle(d)}};
+Blockly.BlockDragger.prototype.dragBlock=function(a,b){var c=this.pixelsToWorkspaceUnits_(b),d=goog.math.Coordinate.sum(this.startXY_,c);this.draggingBlock_.moveDuringDrag(d);this.dragIcons_(c);this.deleteArea_=this.workspace_.isDeleteArea(a);this.draggedConnectionManager_.update(c,this.deleteArea_);this.updateCursorDuringBlockDrag_()};
 Blockly.BlockDragger.prototype.endBlockDrag=function(a,b){this.dragBlock(a,b);this.dragIconData_=[];Blockly.BlockAnimations.disconnectUiStop();var c=this.pixelsToWorkspaceUnits_(b),d=goog.math.Coordinate.sum(this.startXY_,c);this.draggingBlock_.moveOffDragSurface_(d);this.maybeDeleteBlock_()||(this.draggingBlock_.moveConnections_(c.x,c.y),this.draggingBlock_.setDragging(!1),this.fireMoveEvent_(),this.draggedConnectionManager_.wouldConnectBlock()?this.draggedConnectionManager_.applyConnections():this.draggingBlock_.render(),
 this.draggingBlock_.scheduleSnapAndBump());this.workspace_.setResizesEnabled(!0);if(c=this.workspace_.getToolbox())d=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",c.removeStyle(d);Blockly.Events.setGroup(!1)};Blockly.BlockDragger.prototype.fireMoveEvent_=function(){var a=new Blockly.Events.BlockMove(this.draggingBlock_);a.oldCoordinate=this.startXY_;a.recordNew();Blockly.Events.fire(a)};
 Blockly.BlockDragger.prototype.maybeDeleteBlock_=function(){var a=this.workspace_.trashcan;this.wouldDeleteBlock_?(a&&setTimeout(a.close.bind(a),100),this.fireMoveEvent_(),this.draggingBlock_.dispose(!1,!0)):a&&a.close();return this.wouldDeleteBlock_};
@@ -1183,7 +1128,7 @@ Blockly.Grid.createDom=function(a,b,c){a=Blockly.utils.createSvgElement("pattern
 l?Blockly.TOOLBOX_AT_RIGHT:Blockly.TOOLBOX_AT_LEFT;var p=a.scrollbars;void 0===p&&(p=d);var q=a.css;void 0===q&&(q=!0);var t="https://blockly-demo.appspot.com/static/media/";a.media?t=a.media:a.path&&(t=a.path+"media/");var r=void 0===a.oneBasedIndex?!0:!!a.oneBasedIndex;this.RTL=l;this.oneBasedIndex=r;this.collapse=f;this.comments=g;this.disable=h;this.readOnly=b;this.maxBlocks=a.maxBlocks||Infinity;this.pathToMedia=t;this.hasCategories=d;this.hasScrollbars=p;this.hasTrashcan=e;this.hasSounds=k;
 this.hasCss=q;this.horizontalLayout=n;this.languageTree=c;this.gridOptions=Blockly.Options.parseGridOptions_(a);this.zoomOptions=Blockly.Options.parseZoomOptions_(a);this.toolboxPosition=m};Blockly.Options.prototype.parentWorkspace=null;Blockly.Options.prototype.setMetrics=null;Blockly.Options.prototype.getMetrics=null;
 Blockly.Options.parseZoomOptions_=function(a){a=a.zoom||{};var b={};b.controls=void 0===a.controls?!1:!!a.controls;b.wheel=void 0===a.wheel?!1:!!a.wheel;b.startScale=void 0===a.startScale?1:parseFloat(a.startScale);b.maxScale=void 0===a.maxScale?3:parseFloat(a.maxScale);b.minScale=void 0===a.minScale?.3:parseFloat(a.minScale);b.scaleSpeed=void 0===a.scaleSpeed?1.2:parseFloat(a.scaleSpeed);return b};
-Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=parseFloat(a.spacing)||0;b.colour=a.colour||"#888";b.length=parseFloat(a.length)||1;b.snap=0<b.spacing&&!!a.snap;return b};Blockly.Options.parseToolboxTree=function(a){a?("string"!=typeof a&&("undefined"==typeof XSLTProcessor&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a))):a=null;return a};Blockly.ScrollbarPair=function(a){this.workspace_=a;this.hScroll=new Blockly.Scrollbar(a,!0,!0,"blocklyMainWorkspaceScrollbar");this.vScroll=new Blockly.Scrollbar(a,!1,!0,"blocklyMainWorkspaceScrollbar");this.corner_=Blockly.utils.createSvgElement("rect",{height:Blockly.Scrollbar.scrollbarThickness,width:Blockly.Scrollbar.scrollbarThickness,"class":"blocklyScrollbarBackground"},null);Blockly.utils.insertAfter_(this.corner_,a.getBubbleCanvas())};Blockly.ScrollbarPair.prototype.oldHostMetrics_=null;
+Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=parseFloat(a.spacing)||0;b.colour=a.colour||"#888";b.length=parseFloat(a.length)||1;b.snap=0<b.spacing&&!!a.snap;return b};Blockly.Options.parseToolboxTree=function(a){a?("string"!=typeof a&&("undefined"==typeof XSLTProcessor&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a))):a=null;return a};Blockly.ScrollbarPair=function(a){this.workspace_=a;this.hScroll=new Blockly.Scrollbar(a,!0,!0,"blocklyMainWorkspaceScrollbar");this.vScroll=new Blockly.Scrollbar(a,!1,!0,"blocklyMainWorkspaceScrollbar");this.corner_=Blockly.utils.createSvgElement("rect",{height:Blockly.Scrollbar.scrollbarThickness,width:Blockly.Scrollbar.scrollbarThickness,"class":"blocklyScrollbarBackground"},null);Blockly.utils.insertAfter(this.corner_,a.getBubbleCanvas())};Blockly.ScrollbarPair.prototype.oldHostMetrics_=null;
 Blockly.ScrollbarPair.prototype.dispose=function(){this.corner_.parentNode.removeChild(this.corner_);this.oldHostMetrics_=this.workspace_=this.corner_=null;this.hScroll.dispose();this.hScroll=null;this.vScroll.dispose();this.vScroll=null};
 Blockly.ScrollbarPair.prototype.resize=function(){var a=this.workspace_.getMetrics();if(a){var b=!1,c=!1;this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft?(this.oldHostMetrics_&&this.oldHostMetrics_.contentWidth==a.contentWidth&&this.oldHostMetrics_.viewLeft==a.viewLeft&&this.oldHostMetrics_.contentLeft==a.contentLeft||(b=!0),this.oldHostMetrics_&&
 this.oldHostMetrics_.contentHeight==a.contentHeight&&this.oldHostMetrics_.viewTop==a.viewTop&&this.oldHostMetrics_.contentTop==a.contentTop||(c=!0)):c=b=!0;b&&this.hScroll.resize(a);c&&this.vScroll.resize(a);this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft||this.corner_.setAttribute("x",this.vScroll.position_.x);this.oldHostMetrics_&&this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop||this.corner_.setAttribute("y",
@@ -1201,7 +1146,7 @@ Blockly.Scrollbar.prototype.resizeContentHorizontal=function(a){this.pair_||this
 Blockly.Scrollbar.prototype.resizeViewVertical=function(a){var b=a.viewHeight-1;this.pair_&&(b-=Blockly.Scrollbar.scrollbarThickness);this.setScrollViewSize_(Math.max(0,b));b=a.absoluteLeft+.5;this.workspace_.RTL||(b+=a.viewWidth-Blockly.Scrollbar.scrollbarThickness-1);this.setPosition_(b,a.absoluteTop+.5);this.resizeContentVertical(a)};
 Blockly.Scrollbar.prototype.resizeContentVertical=function(a){this.pair_||this.setVisible(this.scrollViewSize_<a.contentHeight);this.ratio_=this.scrollViewSize_/a.contentHeight;if(-Infinity==this.ratio_||Infinity==this.ratio_||isNaN(this.ratio_))this.ratio_=0;this.setHandleLength_(Math.max(0,a.viewHeight*this.ratio_));this.setHandlePosition(this.constrainHandle_((a.viewTop-a.contentTop)*this.ratio_))};
 Blockly.Scrollbar.prototype.createDom_=function(a){var b="blocklyScrollbar"+(this.horizontal_?"Horizontal":"Vertical");a&&(b+=" "+a);this.outerSvg_=Blockly.utils.createSvgElement("svg",{"class":b},null);this.svgGroup_=Blockly.utils.createSvgElement("g",{},this.outerSvg_);this.svgBackground_=Blockly.utils.createSvgElement("rect",{"class":"blocklyScrollbarBackground"},this.svgGroup_);a=Math.floor((Blockly.Scrollbar.scrollbarThickness-5)/2);this.svgHandle_=Blockly.utils.createSvgElement("rect",{"class":"blocklyScrollbarHandle",
-rx:a,ry:a},this.svgGroup_);Blockly.utils.insertAfter_(this.outerSvg_,this.workspace_.getParentSvg())};Blockly.Scrollbar.prototype.isVisible=function(){return this.isVisible_};Blockly.Scrollbar.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Scrollbar.prototype.setVisible=function(a){var b=a!=this.isVisible();if(this.pair_)throw Error("Unable to toggle visibility of paired scrollbars.");this.isVisible_=a;b&&this.updateDisplay_()};
+rx:a,ry:a},this.svgGroup_);Blockly.utils.insertAfter(this.outerSvg_,this.workspace_.getParentSvg())};Blockly.Scrollbar.prototype.isVisible=function(){return this.isVisible_};Blockly.Scrollbar.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Scrollbar.prototype.setVisible=function(a){var b=a!=this.isVisible();if(this.pair_)throw Error("Unable to toggle visibility of paired scrollbars.");this.isVisible_=a;b&&this.updateDisplay_()};
 Blockly.Scrollbar.prototype.updateDisplay_=function(){this.containerVisible_&&this.isVisible()?this.outerSvg_.setAttribute("display","block"):this.outerSvg_.setAttribute("display","none")};
 Blockly.Scrollbar.prototype.onMouseDownBar_=function(a){this.workspace_.markFocused();Blockly.Touch.clearTouchIdentifier();this.cleanUp_();if(Blockly.utils.isRightButton(a))a.stopPropagation();else{var b=Blockly.utils.mouseToSvg(a,this.workspace_.getParentSvg(),this.workspace_.getInverseScreenCTM());b=this.horizontal_?b.x:b.y;var c=Blockly.utils.getInjectionDivXY_(this.svgHandle_);c=this.horizontal_?c.x:c.y;var d=this.handlePosition_,e=.95*this.handleLength_;b<=c?d-=e:b>=c+this.handleLength_&&(d+=
 e);this.setHandlePosition(this.constrainHandle_(d));this.onScroll_();a.stopPropagation();a.preventDefault()}};
@@ -1227,8 +1172,9 @@ a.absoluteTop-(this.BODY_HEIGHT_+this.LID_HEIGHT_)-this.bottom_,a.toolboxPositio
 Blockly.Trashcan.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect();return new goog.math.Rect(a.left+this.SPRITE_LEFT_-this.MARGIN_HOTSPOT_,a.top+this.SPRITE_TOP_-this.MARGIN_HOTSPOT_,this.WIDTH_+2*this.MARGIN_HOTSPOT_,this.LID_HEIGHT_+this.BODY_HEIGHT_+2*this.MARGIN_HOTSPOT_)};Blockly.Trashcan.prototype.setOpen_=function(a){this.isOpen!=a&&(clearTimeout(this.lidTask_),this.isOpen=a,this.animateLid_())};
 Blockly.Trashcan.prototype.animateLid_=function(){this.lidOpen_+=this.isOpen?.2:-.2;this.lidOpen_=Math.min(Math.max(this.lidOpen_,0),1);var a=45*this.lidOpen_;this.svgLid_.setAttribute("transform","rotate("+(this.workspace_.RTL?-a:a)+","+(this.workspace_.RTL?4:this.WIDTH_-4)+","+(this.LID_HEIGHT_-2)+")");this.svgGroup_.style.opacity=.4+.4*this.lidOpen_;0<this.lidOpen_&&1>this.lidOpen_&&(this.lidTask_=setTimeout(this.animateLid_.bind(this),20))};Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};
 Blockly.Trashcan.prototype.click=function(){var a=this.workspace_.startScrollX-this.workspace_.scrollX,b=this.workspace_.startScrollY-this.workspace_.scrollY;Math.sqrt(a*a+b*b)>Blockly.DRAG_RADIUS||console.log("TODO: Inspect trash.")};Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){var c=a.name.toLowerCase(),d=b.name.toLowerCase();return c<d?-1:c==d?0:1};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks();a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e];f.getId()&&(a[f.getId()]=f)}}b=[];for(var g in a)b.push(a[g]);return b};Blockly.Variables.allUsedVariables=function(){console.warn("Deprecated call to Blockly.Variables.allUsedVariables. Use Blockly.Variables.allUsedVarModels instead.\nIf this is a major issue please file a bug on GitHub.")};
-Blockly.Variables.allDeveloperVariables=function(a){var b=a.getAllBlocks();a={};for(var c=0;c<b.length;c++){var d=b[c];if(d.getDeveloperVars){d=d.getDeveloperVars();for(var e=0;e<d.length;e++)a[d[e]]=d[e]}}b=[];for(var f in a)b.push(a[f]);return b};
-Blockly.Variables.flyoutCategory=function(a){var b=[],c=goog.dom.createDom("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
+Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_={};
+Blockly.Variables.allDeveloperVariables=function(a){var b=a.getAllBlocks();a={};for(var c=0;c<b.length;c++){var d=b[c],e=d.getDeveloperVariables;!e&&d.getDeveloperVars&&(e=d.getDeveloperVars,Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]||(console.warn("Function getDeveloperVars() deprecated. Use getDeveloperVariables() (block type '"+d.type+"')"),Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]=!0));if(e)for(d=e(),e=0;e<d.length;e++)a[d[e]]=d[e]}b=[];for(var f in a)b.push(a[f]);
+return b};Blockly.Variables.flyoutCategory=function(a){var b=[],c=goog.dom.createDom("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
 Blockly.Variables.flyoutCategoryBlocks=function(a){a=a.getVariablesOfType("");a.sort(Blockly.VariableModel.compareByName);var b=[];if(0<a.length){var c=a[0];if(Blockly.Blocks.variables_set){var d=Blockly.Blocks.math_change?8:24;d='<xml><block type="variables_set" gap="'+d+'">'+Blockly.Variables.generateVariableFieldXmlString(c)+"</block></xml>";d=Blockly.Xml.textToDom(d).firstChild;b.push(d)}Blockly.Blocks.math_change&&(d=Blockly.Blocks.variables_get?20:8,d='<xml><block type="math_change" gap="'+
 d+'">'+Blockly.Variables.generateVariableFieldXmlString(c)+'<value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block></xml>',d=Blockly.Xml.textToDom(d).firstChild,b.push(d));for(c=0;d=a[c];c++)Blockly.Blocks.variables_get&&(d='<xml><block type="variables_get" gap="8">'+Blockly.Variables.generateVariableFieldXmlString(d)+"</block></xml>",d=Blockly.Xml.textToDom(d).firstChild,b.push(d))}return b};
 Blockly.Variables.generateUniqueName=function(a){a=a.getAllVariables();var b="";if(a.length)for(var c=1,d=0,e="ijkmnopqrstuvwxyzabcdefgh".charAt(d);!b;){for(var f=!1,g=0;g<a.length;g++)if(a[g].name.toLowerCase()==e){f=!0;break}f?(d++,25==d&&(d=0,c++),e="ijkmnopqrstuvwxyzabcdefgh".charAt(d),1<c&&(e+=c)):b=e}else b="i";return b};
@@ -1266,8 +1212,8 @@ Blockly.WorkspaceCommentSvg.prototype.disposeInternal_=function(){this.svgHandle
 Blockly.WorkspaceCommentSvg.prototype.blurFocus=function(){var a=this;this.focused_=!1;setTimeout(function(){a.textarea_.blur();a.removeFocus();Blockly.utils.removeClass(a.svgRectTarget_,"blocklyCommentTargetFocused");Blockly.utils.removeClass(a.svgHandleTarget_,"blocklyCommentHandleTargetFocused")},0)};Blockly.WorkspaceDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.dragGroup_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.container_=null;
 Blockly.WorkspaceDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.createSvgElement("svg",{xmlns:Blockly.SVG_NS,"xmlns:html":Blockly.HTML_NS,"xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklyWsDragSurface blocklyOverflowVisible"},null),this.container_.appendChild(this.SVG_))};
 Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){var c=a.toFixed(0),d=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.setCssTransform(this.SVG_,"translate3d("+c+"px, "+d+"px, 0px)")};Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation=function(){return Blockly.utils.getRelativeXY(this.SVG_)};
-Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.insertAfter_(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
-Blockly.utils.insertAfter_(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.setCssTransform(this.SVG_,"");this.previousSibling_=null};
+Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.insertAfter(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
+Blockly.utils.insertAfter(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.setCssTransform(this.SVG_,"");this.previousSibling_=null};
 Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){if(this.SVG_.childNodes.length)throw Error("Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a,b){var c=goog.dom.createDom("xml"),d=Blockly.Xml.variablesToDom(Blockly.Variables.allUsedVarModels(a));d.hasChildNodes()&&c.appendChild(d);var e=a.getTopComments(!0);d=0;for(var f;f=e[d];d++)c.appendChild(f.toXmlWithXY(b));e=a.getTopBlocks(!0);for(d=0;f=e[d];d++)c.appendChild(Blockly.Xml.blockToDomWithXY(f,b));return c};
 Blockly.Xml.variablesToDom=function(a){for(var b=goog.dom.createDom("variables"),c=0,d;d=a[c];c++){var e=goog.dom.createDom("variable",null,d.name);e.setAttribute("type",d.type);e.setAttribute("id",d.getId());b.appendChild(e)}return b};Blockly.Xml.blockToDomWithXY=function(a,b){var c;a.workspace.RTL&&(c=a.workspace.getWidth());var d=Blockly.Xml.blockToDom(a,b),e=a.getRelativeToSurfaceXY();d.setAttribute("x",Math.round(a.workspace.RTL?c-e.x:e.x));d.setAttribute("y",Math.round(e.y));return d};
 Blockly.Xml.fieldToDomVariable_=function(a){null==a.getValue()&&(a.initModel(),a.getValue());var b=a.getVariable();if(!b)throw Error("Tried to serialize a variable field with no variable.");var c=goog.dom.createDom("field",null,b.name);c.setAttribute("name",a.name);c.setAttribute("id",b.getId());c.setAttribute("variabletype",b.type);return c};
@@ -1304,21 +1250,21 @@ Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.zo
 Blockly.ZoomControls.prototype.createZoomInSvg_=function(a){var b=this.workspace_,c=Blockly.utils.createSvgElement("clipPath",{id:"blocklyZoominClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:32,height:32,y:43},c);a=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-32,y:-49,"clip-path":"url(#blocklyZoominClipPath"+a+")"},this.svgGroup_);a.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",b.options.pathToMedia+Blockly.SPRITE.url);
 Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.zoomCenter(1);Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
 Blockly.ZoomControls.prototype.createZoomResetSvg_=function(a){var b=this.workspace_,c=Blockly.utils.createSvgElement("clipPath",{id:"blocklyZoomresetClipPath"+a},this.svgGroup_);Blockly.utils.createSvgElement("rect",{width:32,height:32},c);a=Blockly.utils.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,y:-92,"clip-path":"url(#blocklyZoomresetClipPath"+a+")"},this.svgGroup_);a.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",b.options.pathToMedia+Blockly.SPRITE.url);
-Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.setScale(b.options.zoomOptions.startScale);b.scrollCenter();Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
+Blockly.bindEventWithChecks_(a,"mousedown",null,function(a){b.markFocused();b.setScale(b.options.zoomOptions.startScale);b.beginCanvasTransition();b.scrollCenter();setTimeout(function(){b.endCanvasTransition()},500);Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()})};
 Blockly.WorkspaceSvg=function(a,b,c){Blockly.WorkspaceSvg.superClass_.constructor.call(this,a);this.getMetrics=a.getMetrics||Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;this.setMetrics=a.setMetrics||Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;Blockly.ConnectionDB.init(this);b&&(this.blockDragSurface_=b);c&&(this.workspaceDragSurface_=c);this.useWorkspaceDragSurface_=this.workspaceDragSurface_&&Blockly.utils.is3dSupported();this.highlightedBlocks_=[];this.audioManager_=new Blockly.WorkspaceAudio(a.parentWorkspace);
 this.grid_=this.options.gridPattern?new Blockly.Grid(a.gridPattern,a.gridOptions):null;Blockly.Variables&&Blockly.Variables.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,Blockly.Variables.flyoutCategory);Blockly.VariablesDynamic&&Blockly.VariablesDynamic.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,Blockly.VariablesDynamic.flyoutCategory);Blockly.Procedures&&Blockly.Procedures.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,
-Blockly.Procedures.flyoutCategory)};goog.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isMutator=!1;Blockly.WorkspaceSvg.prototype.resizesEnabled_=!0;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;Blockly.WorkspaceSvg.prototype.startScrollX=0;Blockly.WorkspaceSvg.prototype.startScrollY=0;
-Blockly.WorkspaceSvg.prototype.dragDeltaXY_=null;Blockly.WorkspaceSvg.prototype.scale=1;Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;Blockly.WorkspaceSvg.prototype.currentGesture_=null;Blockly.WorkspaceSvg.prototype.blockDragSurface_=null;Blockly.WorkspaceSvg.prototype.workspaceDragSurface_=null;Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_=!1;Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_=!1;
+Blockly.Procedures.flyoutCategory)};goog.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isVisible_=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isMutator=!1;Blockly.WorkspaceSvg.prototype.resizesEnabled_=!0;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;Blockly.WorkspaceSvg.prototype.startScrollX=0;
+Blockly.WorkspaceSvg.prototype.startScrollY=0;Blockly.WorkspaceSvg.prototype.dragDeltaXY_=null;Blockly.WorkspaceSvg.prototype.scale=1;Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;Blockly.WorkspaceSvg.prototype.currentGesture_=null;Blockly.WorkspaceSvg.prototype.blockDragSurface_=null;Blockly.WorkspaceSvg.prototype.workspaceDragSurface_=null;Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_=!1;Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_=!1;
 Blockly.WorkspaceSvg.prototype.injectionDiv_=null;Blockly.WorkspaceSvg.prototype.lastRecordedPageScroll_=null;Blockly.WorkspaceSvg.prototype.flyoutButtonCallbacks_={};Blockly.WorkspaceSvg.prototype.toolboxCategoryCallbacks_={};Blockly.WorkspaceSvg.prototype.configureContextMenu=null;Blockly.WorkspaceSvg.prototype.targetWorkspace=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTM_=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTMDirty_=!0;
-Blockly.WorkspaceSvg.prototype.getInverseScreenCTM=function(){if(this.inverseScreenCTMDirty_){var a=this.getParentSvg().getScreenCTM();a&&(this.inverseScreenCTM_=a.inverse(),this.inverseScreenCTMDirty_=!1)}return this.inverseScreenCTM_};Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM=function(){this.inverseScreenCTMDirty_=!0};
-Blockly.WorkspaceSvg.prototype.getSvgXY=function(a){var b=0,c=0,d=1;if(goog.dom.contains(this.getCanvas(),a)||goog.dom.contains(this.getBubbleCanvas(),a))d=this.scale;do{var e=Blockly.utils.getRelativeXY(a);if(a==this.getCanvas()||a==this.getBubbleCanvas())d=1;b+=e.x*d;c+=e.y*d;a=a.parentNode}while(a&&a!=this.getParentSvg());return new goog.math.Coordinate(b,c)};Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels=function(){return Blockly.utils.getInjectionDivXY_(this.svgBlockCanvas_)};
+Blockly.WorkspaceSvg.prototype.getInverseScreenCTM=function(){if(this.inverseScreenCTMDirty_){var a=this.getParentSvg().getScreenCTM();a&&(this.inverseScreenCTM_=a.inverse(),this.inverseScreenCTMDirty_=!1)}return this.inverseScreenCTM_};Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM=function(){this.inverseScreenCTMDirty_=!0};Blockly.WorkspaceSvg.prototype.isVisible=function(){return this.isVisible_};
+Blockly.WorkspaceSvg.prototype.getSvgXY=function(a){var b=0,c=0,d=1;if(Blockly.utils.containsNode(this.getCanvas(),a)||Blockly.utils.containsNode(this.getBubbleCanvas(),a))d=this.scale;do{var e=Blockly.utils.getRelativeXY(a);if(a==this.getCanvas()||a==this.getBubbleCanvas())d=1;b+=e.x*d;c+=e.y*d;a=a.parentNode}while(a&&a!=this.getParentSvg());return new goog.math.Coordinate(b,c)};Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels=function(){return Blockly.utils.getInjectionDivXY_(this.svgBlockCanvas_)};
 Blockly.WorkspaceSvg.prototype.getInjectionDiv=function(){if(!this.injectionDiv_)for(var a=this.svgGroup_;a;){if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv ")){this.injectionDiv_=a;break}a=a.parentNode}return this.injectionDiv_};Blockly.WorkspaceSvg.prototype.setResizeHandlerWrapper=function(a){this.resizeHandlerWrapper_=a};
 Blockly.WorkspaceSvg.prototype.createDom=function(a){this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":"blocklyWorkspace"},null);a&&(this.svgBackground_=Blockly.utils.createSvgElement("rect",{height:"100%",width:"100%","class":a},this.svgGroup_),"blocklyMainBackground"==a&&this.grid_&&(this.svgBackground_.style.fill="url(#"+this.grid_.getPatternId()+")"));this.svgBlockCanvas_=Blockly.utils.createSvgElement("g",{"class":"blocklyBlockCanvas"},this.svgGroup_);this.svgBubbleCanvas_=Blockly.utils.createSvgElement("g",
 {"class":"blocklyBubbleCanvas"},this.svgGroup_);a=Blockly.Scrollbar.scrollbarThickness;this.options.hasTrashcan&&(a=this.addTrashcan_(a));this.options.zoomOptions&&this.options.zoomOptions.controls&&this.addZoomControls_(a);this.isFlyout||(Blockly.bindEventWithChecks_(this.svgGroup_,"mousedown",this,this.onMouseDown_,!1,!0),this.options.zoomOptions&&this.options.zoomOptions.wheel&&Blockly.bindEventWithChecks_(this.svgGroup_,"wheel",this,this.onMouseWheel_));this.options.hasCategories&&(this.toolbox_=
 new Blockly.Toolbox(this));this.grid_&&this.grid_.update(this.scale);this.recordDeleteAreas();return this.svgGroup_};
 Blockly.WorkspaceSvg.prototype.dispose=function(){this.rendered=!1;this.currentGesture_&&this.currentGesture_.cancel();Blockly.WorkspaceSvg.superClass_.dispose.call(this);this.svgGroup_&&(this.svgGroup_.parentNode.removeChild(this.svgGroup_),this.svgGroup_=null);this.svgBubbleCanvas_=this.svgBlockCanvas_=null;this.toolbox_&&(this.toolbox_.dispose(),this.toolbox_=null);this.flyout_&&(this.flyout_.dispose(),this.flyout_=null);this.trashcan&&(this.trashcan.dispose(),this.trashcan=null);this.scrollbar&&
-(this.scrollbar.dispose(),this.scrollbar=null);this.zoomControls_&&(this.zoomControls_.dispose(),this.zoomControls_=null);this.audioManager_&&(this.audioManager_.dispose(),this.audioManager_=null);this.grid_&&(this.grid_.dispose(),this.grid_=null);this.toolboxCategoryCallbacks_&&(this.toolboxCategoryCallbacks_=null);this.flyoutButtonCallbacks_&&(this.flyoutButtonCallbacks_=null);this.options.parentWorkspace||goog.dom.removeNode(this.getParentSvg().parentNode);this.resizeHandlerWrapper_&&(Blockly.unbindEvent_(this.resizeHandlerWrapper_),
-this.resizeHandlerWrapper_=null)};Blockly.WorkspaceSvg.prototype.newBlock=function(a,b){return new Blockly.BlockSvg(this,a,b)};Blockly.WorkspaceSvg.prototype.addTrashcan_=function(a){this.trashcan=new Blockly.Trashcan(this);var b=this.trashcan.createDom();this.svgGroup_.insertBefore(b,this.svgBlockCanvas_);return this.trashcan.init(a)};
+(this.scrollbar.dispose(),this.scrollbar=null);this.zoomControls_&&(this.zoomControls_.dispose(),this.zoomControls_=null);this.audioManager_&&(this.audioManager_.dispose(),this.audioManager_=null);this.grid_&&(this.grid_.dispose(),this.grid_=null);this.toolboxCategoryCallbacks_&&(this.toolboxCategoryCallbacks_=null);this.flyoutButtonCallbacks_&&(this.flyoutButtonCallbacks_=null);if(!this.options.parentWorkspace){var a=this.getParentSvg().parentNode;a&&a.parentNode.removeChild(a)}this.resizeHandlerWrapper_&&
+(Blockly.unbindEvent_(this.resizeHandlerWrapper_),this.resizeHandlerWrapper_=null)};Blockly.WorkspaceSvg.prototype.newBlock=function(a,b){return new Blockly.BlockSvg(this,a,b)};Blockly.WorkspaceSvg.prototype.addTrashcan_=function(a){this.trashcan=new Blockly.Trashcan(this);var b=this.trashcan.createDom();this.svgGroup_.insertBefore(b,this.svgBlockCanvas_);return this.trashcan.init(a)};
 Blockly.WorkspaceSvg.prototype.addZoomControls_=function(a){this.zoomControls_=new Blockly.ZoomControls(this);var b=this.zoomControls_.createDom();this.svgGroup_.appendChild(b);return this.zoomControls_.init(a)};
 Blockly.WorkspaceSvg.prototype.addFlyout_=function(a){var b={disabledPatternId:this.options.disabledPatternId,parentWorkspace:this,RTL:this.RTL,oneBasedIndex:this.options.oneBasedIndex,horizontalLayout:this.horizontalLayout,toolboxPosition:this.options.toolboxPosition};this.flyout_=null;this.flyout_=this.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);this.flyout_.autoClose=!1;return this.flyout_.createDom(a)};
 Blockly.WorkspaceSvg.prototype.getFlyout_=function(){return this.flyout_?this.flyout_:this.toolbox_?this.toolbox_.flyout_:null};Blockly.WorkspaceSvg.prototype.getToolbox=function(){return this.toolbox_};Blockly.WorkspaceSvg.prototype.updateScreenCalculations_=function(){this.updateInverseScreenCTM();this.recordDeleteAreas()};Blockly.WorkspaceSvg.prototype.resizeContents=function(){this.resizesEnabled_&&this.rendered&&(this.scrollbar&&this.scrollbar.resize(),this.updateInverseScreenCTM())};
@@ -1328,7 +1274,7 @@ Blockly.WorkspaceSvg.prototype.translate=function(a,b){if(this.useWorkspaceDragS
 Blockly.WorkspaceSvg.prototype.resetDragSurface=function(){if(this.useWorkspaceDragSurface_){this.isDragSurfaceActive_=!1;var a=this.workspaceDragSurface_.getSurfaceTranslation();this.workspaceDragSurface_.clearAndHide(this.svgGroup_);a="translate("+a.x+","+a.y+") scale("+this.scale+")";this.svgBlockCanvas_.setAttribute("transform",a);this.svgBubbleCanvas_.setAttribute("transform",a)}};
 Blockly.WorkspaceSvg.prototype.setupDragSurface=function(){if(this.useWorkspaceDragSurface_&&!this.isDragSurfaceActive_){this.isDragSurfaceActive_=!0;var a=this.svgBlockCanvas_.previousSibling,b=parseInt(this.getParentSvg().getAttribute("width"),10),c=parseInt(this.getParentSvg().getAttribute("height"),10),d=Blockly.utils.getRelativeXY(this.svgBlockCanvas_);this.workspaceDragSurface_.setContentsAndShow(this.svgBlockCanvas_,this.svgBubbleCanvas_,a,b,c,this.scale);this.workspaceDragSurface_.translateSurface(d.x,
 d.y)}};Blockly.WorkspaceSvg.prototype.getBlockDragSurface=function(){return this.blockDragSurface_};Blockly.WorkspaceSvg.prototype.getWidth=function(){var a=this.getMetrics();return a?a.viewWidth/this.scale:0};
-Blockly.WorkspaceSvg.prototype.setVisible=function(a){this.scrollbar&&this.scrollbar.setContainerVisible(a);this.getFlyout_()&&this.getFlyout_().setContainerVisible(a);this.getParentSvg().style.display=a?"block":"none";this.toolbox_&&(this.toolbox_.HtmlDiv.style.display=a?"block":"none");a?(this.render(),this.toolbox_&&this.toolbox_.position()):Blockly.hideChaff(!0)};Blockly.WorkspaceSvg.prototype.render=function(){for(var a=this.getAllBlocks(),b=a.length-1;0<=b;b--)a[b].render(!1)};
+Blockly.WorkspaceSvg.prototype.setVisible=function(a){this.scrollbar&&this.scrollbar.setContainerVisible(a);this.getFlyout_()&&this.getFlyout_().setContainerVisible(a);this.getParentSvg().style.display=a?"block":"none";this.toolbox_&&(this.toolbox_.HtmlDiv.style.display=a?"block":"none");a?(this.render(),this.toolbox_&&this.toolbox_.position()):Blockly.hideChaff(!0);this.isVisible_=a};Blockly.WorkspaceSvg.prototype.render=function(){for(var a=this.getAllBlocks(),b=a.length-1;0<=b;b--)a[b].render(!1)};
 Blockly.WorkspaceSvg.prototype.traceOn=function(){console.warn("Deprecated call to traceOn, delete this.")};Blockly.WorkspaceSvg.prototype.highlightBlock=function(a,b){if(void 0===b){for(var c=0,d;d=this.highlightedBlocks_[c];c++)d.setHighlighted(!1);this.highlightedBlocks_.length=0}if(d=a?this.getBlockById(a):null)(c=void 0===b||b)?-1==this.highlightedBlocks_.indexOf(d)&&this.highlightedBlocks_.push(d):Blockly.utils.arrayRemove(this.highlightedBlocks_,d),d.setHighlighted(c)};
 Blockly.WorkspaceSvg.prototype.paste=function(a){!this.rendered||a.getElementsByTagName("block").length>=this.remainingCapacity()||(this.currentGesture_&&this.currentGesture_.cancel(),"comment"==a.tagName.toLowerCase()?this.pasteWorkspaceComment_(a):this.pasteBlock_(a))};
 Blockly.WorkspaceSvg.prototype.pasteBlock_=function(a){Blockly.Events.disable();try{var b=Blockly.Xml.domToBlock(a,this),c=parseInt(a.getAttribute("x"),10),d=parseInt(a.getAttribute("y"),10);if(!isNaN(c)&&!isNaN(d)){this.RTL&&(c=-c);do{a=!1;for(var e=this.getAllBlocks(),f=0,g;g=e[f];f++){var h=g.getRelativeToSurfaceXY();if(1>=Math.abs(c-h.x)&&1>=Math.abs(d-h.y)){a=!0;break}}if(!a){var k=b.getConnections_(!1);f=0;for(var l;l=k[f];f++)if(l.closest(Blockly.SNAP_RADIUS,new goog.math.Coordinate(c,d)).connection){a=
@@ -1349,8 +1295,8 @@ Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.Options.pa
 this.options.languageTree=a;this.flyout_.show(a.childNodes)}}else if(this.options.languageTree)throw Error("Can't nullify an existing toolbox.");};Blockly.WorkspaceSvg.prototype.markFocused=function(){this.options.parentWorkspace?this.options.parentWorkspace.markFocused():(Blockly.mainWorkspace=this,this.setBrowserFocus())};Blockly.WorkspaceSvg.prototype.setBrowserFocus=function(){document.activeElement&&document.activeElement.blur();try{this.getParentSvg().focus()}catch(a){try{this.getParentSvg().parentNode.setActive()}catch(b){this.getParentSvg().parentNode.focus()}}};
 Blockly.WorkspaceSvg.prototype.zoom=function(a,b,c){var d=this.options.zoomOptions.scaleSpeed,e=this.getMetrics(),f=this.getParentSvg().createSVGPoint();f.x=a;f.y=b;f=f.matrixTransform(this.getCanvas().getCTM().inverse());a=f.x;b=f.y;f=this.getCanvas();d=Math.pow(d,c);c=this.scale*d;c>this.options.zoomOptions.maxScale?d=this.options.zoomOptions.maxScale/this.scale:c<this.options.zoomOptions.minScale&&(d=this.options.zoomOptions.minScale/this.scale);this.scale!=c&&(this.scrollbar&&(a=f.getCTM().translate(a*
 (1-d),b*(1-d)).scale(d),this.scrollX=a.e-e.absoluteLeft,this.scrollY=a.f-e.absoluteTop),this.setScale(c))};Blockly.WorkspaceSvg.prototype.zoomCenter=function(a){var b=this.getMetrics();this.zoom(b.viewWidth/2,b.viewHeight/2,a)};
-Blockly.WorkspaceSvg.prototype.zoomToFit=function(){var a=this.getMetrics(),b=this.getBlocksBoundingBox(),c=b.width;b=b.height;if(c){var d=a.viewWidth,e=a.viewHeight;this.flyout_&&(d-=this.flyout_.width_);this.scrollbar||(c+=a.contentLeft,b+=a.contentTop);this.setScale(Math.min(d/c,e/b));this.scrollCenter()}};
-Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.scrollbar){var a=this.getMetrics(),b=(a.contentWidth-a.viewWidth)/2;this.flyout_&&(b-=this.flyout_.width_/2);this.scrollbar.set(b,(a.contentHeight-a.viewHeight)/2)}else console.warn("Tried to scroll a non-scrollable workspace.")};
+Blockly.WorkspaceSvg.prototype.zoomToFit=function(){var a=this.getMetrics(),b=this.getBlocksBoundingBox(),c=b.width;b=b.height;if(c){var d=a.viewWidth,e=a.viewHeight;this.flyout_&&(d-=this.flyout_.width_);this.scrollbar||(c+=a.contentLeft,b+=a.contentTop);this.setScale(Math.min(d/c,e/b));this.scrollCenter()}};Blockly.WorkspaceSvg.prototype.beginCanvasTransition=function(){Blockly.utils.addClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.addClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};
+Blockly.WorkspaceSvg.prototype.endCanvasTransition=function(){Blockly.utils.removeClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.removeClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.scrollbar){var a=this.getMetrics(),b=(a.contentWidth-a.viewWidth)/2;this.flyout_&&(b-=this.flyout_.width_/2);this.scrollbar.set(b,(a.contentHeight-a.viewHeight)/2)}else console.warn("Tried to scroll a non-scrollable workspace.")};
 Blockly.WorkspaceSvg.prototype.centerOnBlock=function(a){if(this.scrollbar){if(a=this.getBlockById(a)){var b=a.getRelativeToSurfaceXY(),c=a.getHeightWidth(),d=this.scale;a=(b.x+(this.RTL?-1:1)*c.width/2)*d;b=(b.y+c.height/2)*d;c=this.getMetrics();a=a-c.contentLeft-c.viewWidth/2;b=b-c.contentTop-c.viewHeight/2;Blockly.hideChaff();this.scrollbar.set(a,b)}}else console.warn("Tried to scroll a non-scrollable workspace.")};
 Blockly.WorkspaceSvg.prototype.setScale=function(a){this.options.zoomOptions.maxScale&&a>this.options.zoomOptions.maxScale?a=this.options.zoomOptions.maxScale:this.options.zoomOptions.minScale&&a<this.options.zoomOptions.minScale&&(a=this.options.zoomOptions.minScale);this.scale=a;this.grid_&&this.grid_.update(this.scale);this.scrollbar?this.scrollbar.resize():this.translate(this.scrollX,this.scrollY);Blockly.hideChaff(!1);this.flyout_&&this.flyout_.reflow()};
 Blockly.WorkspaceSvg.getDimensionsPx_=function(a){var b=0,c=0;a&&(b=a.getWidth(),c=a.getHeight());return{width:b,height:c}};Blockly.WorkspaceSvg.getContentDimensions_=function(a,b){return a.scrollbar?Blockly.WorkspaceSvg.getContentDimensionsBounded_(a,b):Blockly.WorkspaceSvg.getContentDimensionsExact_(a)};
@@ -1416,8 +1362,9 @@ void 0;this.disabled=!1;this.tooltip="";this.contextMenu=!0;this.parentBlock_=nu
 this.init();this.inputsInlineDefault=this.inputsInline;if(Blockly.Events.isEnabled()){(a=Blockly.Events.getGroup())||Blockly.Events.setGroup(!0);try{Blockly.Events.fire(new Blockly.Events.BlockCreate(this))}finally{a||Blockly.Events.setGroup(!1)}}"function"==typeof this.onchange&&this.setOnChange(this.onchange)};Blockly.Block.obtain=function(a,b){console.warn("Deprecated call to Blockly.Block.obtain, use workspace.newBlock instead.");return a.newBlock(b)};Blockly.Block.prototype.data=null;
 Blockly.Block.prototype.colour_="#000000";Blockly.Block.prototype.hue_=null;
 Blockly.Block.prototype.dispose=function(a){if(this.workspace){this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);this.unplug(a);Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockDelete(this));Blockly.Events.disable();try{this.workspace&&(this.workspace.removeTopBlock(this),delete this.workspace.blockDB_[this.id],this.workspace=null);Blockly.selected==this&&(Blockly.selected=null);for(var b=this.childBlocks_.length-1;0<=b;b--)this.childBlocks_[b].dispose(!1);
-b=0;for(var c;c=this.inputList[b];b++)c.dispose();this.inputList.length=0;var d=this.getConnections_(!0);for(b=0;b<d.length;b++){var e=d[b];e.isConnected()&&e.disconnect();d[b].dispose()}}finally{Blockly.Events.enable()}}};Blockly.Block.prototype.initModel=function(){for(var a=0,b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.initModel&&d.initModel()};
-Blockly.Block.prototype.unplug=function(a){if(this.outputConnection)this.outputConnection.isConnected()&&this.outputConnection.disconnect();else if(this.previousConnection){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&b.checkType_(a)&&b.connect(a))}};
+b=0;for(var c;c=this.inputList[b];b++)c.dispose();this.inputList.length=0;var d=this.getConnections_(!0);for(b=0;b<d.length;b++){var e=d[b];e.isConnected()&&e.disconnect();d[b].dispose()}}finally{Blockly.Events.enable()}}};Blockly.Block.prototype.initModel=function(){for(var a=0,b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.initModel&&d.initModel()};Blockly.Block.prototype.unplug=function(a){this.outputConnection?this.unplugFromRow_(a):this.previousConnection&&this.unplugFromStack_(a)};
+Blockly.Block.prototype.unplugFromRow_=function(a){var b=null;this.outputConnection.isConnected()&&(b=this.outputConnection.targetConnection,this.outputConnection.disconnect());b&&a&&(a=this.getOnlyValueConnection_())&&a.isConnected()&&(a=a.targetConnection,a.checkType_(b)&&(a.disconnect(),b.connect(a)))};
+Blockly.Block.prototype.getOnlyValueConnection_=function(){for(var a=!1,b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;if(c&&c.type==Blockly.INPUT_VALUE){if(a)return null;a=c}}return a};Blockly.Block.prototype.unplugFromStack_=function(a){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&b.checkType_(a)&&b.connect(a))};
 Blockly.Block.prototype.getConnections_=function(a){a=[];this.outputConnection&&a.push(this.outputConnection);this.previousConnection&&a.push(this.previousConnection);this.nextConnection&&a.push(this.nextConnection);for(var b=0,c;c=this.inputList[b];b++)c.connection&&a.push(c.connection);return a};Blockly.Block.prototype.lastConnectionInStack=function(){for(var a=this.nextConnection;a;){var b=a.targetBlock();if(!b)return a;a=b.nextConnection}return null};Blockly.Block.prototype.bumpNeighbours_=function(){console.warn("Not expected to reach this bumpNeighbours_ function. The BlockSvg function for bumpNeighbours_ was expected to be called instead.")};
 Blockly.Block.prototype.getParent=function(){return this.parentBlock_};Blockly.Block.prototype.getInputWithBlock=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&c.connection.targetBlock()==a)return c;return null};Blockly.Block.prototype.getSurroundParent=function(){var a=this;do{var b=a;a=a.getParent();if(!a)return null}while(a.getNextBlock()==b);return a};Blockly.Block.prototype.getNextBlock=function(){return this.nextConnection&&this.nextConnection.targetBlock()};
 Blockly.Block.prototype.getRootBlock=function(){var a=this;do{var b=a;a=b.parentBlock_}while(a);return b};Blockly.Block.prototype.getChildren=function(a){if(!a)return this.childBlocks_;a=[];for(var b=0,c;c=this.inputList[b];b++)c.connection&&(c=c.connection.targetBlock())&&a.push(c);(b=this.getNextBlock())&&a.push(b);return a};
@@ -1485,7 +1432,7 @@ b[c];c++)a.render()}};Blockly.BlockSvg.prototype.tab=function(a,b){var c=this.cr
 Blockly.BlockSvg.prototype.onMouseDown_=function(a){var b=this.workspace&&this.workspace.getGesture(a);b&&b.handleBlockStart(a,this)};Blockly.BlockSvg.prototype.showHelp_=function(){var a="function"==typeof this.helpUrl?this.helpUrl():this.helpUrl;a&&window.open(a)};
 Blockly.BlockSvg.prototype.showContextMenu_=function(a){if(!this.workspace.options.readOnly&&this.contextMenu){var b=this,c=[];if(this.isDeletable()&&this.isMovable()&&!b.isInFlyout){c.push(Blockly.ContextMenu.blockDuplicateOption(b));this.isEditable()&&!this.collapsed_&&this.workspace.options.comments&&c.push(Blockly.ContextMenu.blockCommentOption(b));if(!this.collapsed_)for(var d=1;d<this.inputList.length;d++)if(this.inputList[d-1].type!=Blockly.NEXT_STATEMENT&&this.inputList[d].type!=Blockly.NEXT_STATEMENT){d=
 {enabled:!0};var e=this.getInputsInline();d.text=e?Blockly.Msg.EXTERNAL_INPUTS:Blockly.Msg.INLINE_INPUTS;d.callback=function(){b.setInputsInline(!e)};c.push(d);break}this.workspace.options.collapse&&(this.collapsed_?(d={enabled:!0},d.text=Blockly.Msg.EXPAND_BLOCK,d.callback=function(){b.setCollapsed(!1)},c.push(d)):(d={enabled:!0},d.text=Blockly.Msg.COLLAPSE_BLOCK,d.callback=function(){b.setCollapsed(!0)},c.push(d)));this.workspace.options.disable&&(d={text:this.disabled?Blockly.Msg.ENABLE_BLOCK:
-Blockly.Msg.DISABLE_BLOCK,enabled:!this.getInheritedDisabled(),callback:function(){b.setDisabled(!b.disabled)}},c.push(d));c.push(Blockly.ContextMenu.blockDeleteOption(b))}c.push(Blockly.ContextMenu.blockHelpOption(b));this.customContextMenu&&this.customContextMenu(c);Blockly.ContextMenu.show(a,c,this.RTL);Blockly.ContextMenu.currentBlock=this}};
+Blockly.Msg.DISABLE_BLOCK,enabled:!this.getInheritedDisabled(),callback:function(){var a=Blockly.Events.getGroup();a||Blockly.Events.setGroup(!0);b.setDisabled(!b.disabled);a||Blockly.Events.setGroup(!1)}},c.push(d));c.push(Blockly.ContextMenu.blockDeleteOption(b))}c.push(Blockly.ContextMenu.blockHelpOption(b));this.customContextMenu&&this.customContextMenu(c);Blockly.ContextMenu.show(a,c,this.RTL);Blockly.ContextMenu.currentBlock=this}};
 Blockly.BlockSvg.prototype.moveConnections_=function(a,b){if(this.rendered){for(var c=this.getConnections_(!1),d=0;d<c.length;d++)c[d].moveBy(a,b);c=this.getIcons();for(d=0;d<c.length;d++)c[d].computeIconLocation();for(d=0;d<this.childBlocks_.length;d++)this.childBlocks_[d].moveConnections_(a,b)}};
 Blockly.BlockSvg.prototype.setDragging=function(a){if(a){var b=this.getSvgRoot();b.translate_="";b.skew_="";Blockly.draggingConnections_=Blockly.draggingConnections_.concat(this.getConnections_(!0));Blockly.utils.addClass(this.svgGroup_,"blocklyDragging")}else Blockly.draggingConnections_=[],Blockly.utils.removeClass(this.svgGroup_,"blocklyDragging");for(b=0;b<this.childBlocks_.length;b++)this.childBlocks_[b].setDragging(a)};
 Blockly.BlockSvg.prototype.updateMovable=function(){this.isMovable()?Blockly.utils.addClass(this.svgGroup_,"blocklyDraggable"):Blockly.utils.removeClass(this.svgGroup_,"blocklyDraggable")};Blockly.BlockSvg.prototype.setMovable=function(a){Blockly.BlockSvg.superClass_.setMovable.call(this,a);this.updateMovable()};Blockly.BlockSvg.prototype.setEditable=function(a){Blockly.BlockSvg.superClass_.setEditable.call(this,a);a=this.getIcons();for(var b=0;b<a.length;b++)a[b].updateEditable()};
@@ -1570,13 +1517,14 @@ d-=Math.sin(b)*Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-e)/Math.PI)%2)
 Blockly.FieldAngle.prototype.classValidator=function(a){if(null===a)return null;a=parseFloat(a||0);if(isNaN(a))return null;a%=360;0>a&&(a+=360);a>Blockly.FieldAngle.WRAP&&(a-=360);return String(a)};Blockly.Field.register("field_angle",Blockly.FieldAngle);Blockly.FieldCheckbox=function(a,b){Blockly.FieldCheckbox.superClass_.constructor.call(this,"",b);this.setValue(a)};goog.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.fromJson=function(a){return new Blockly.FieldCheckbox(a.checked?"TRUE":"FALSE")};Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.prototype.CURSOR="default";
 Blockly.FieldCheckbox.prototype.init=function(){if(!this.fieldGroup_){Blockly.FieldCheckbox.superClass_.init.call(this);this.checkElement_=Blockly.utils.createSvgElement("text",{"class":"blocklyText blocklyCheckbox",x:-3,y:14},this.fieldGroup_);var a=document.createTextNode(Blockly.FieldCheckbox.CHECK_CHAR);this.checkElement_.appendChild(a);this.checkElement_.style.display=this.state_?"block":"none"}};Blockly.FieldCheckbox.prototype.getValue=function(){return String(this.state_).toUpperCase()};
 Blockly.FieldCheckbox.prototype.setValue=function(a){a="string"==typeof a?"TRUE"==a.toUpperCase():!!a;this.state_!==a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.state_,a)),this.state_=a,this.checkElement_&&(this.checkElement_.style.display=a?"block":"none"))};Blockly.FieldCheckbox.prototype.showEditor_=function(){var a=!this.state_;this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(String(a).toUpperCase())};
-Blockly.Field.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b){Blockly.FieldColour.superClass_.constructor.call(this,a,b);this.setText(Blockly.Field.NBSP+Blockly.Field.NBSP+Blockly.Field.NBSP)};goog.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour)};Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.columns_=0;
+Blockly.Field.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b){Blockly.FieldColour.superClass_.constructor.call(this,a,b);this.setText(Blockly.Field.NBSP+Blockly.Field.NBSP+Blockly.Field.NBSP)};goog.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour)};Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.titles_=null;Blockly.FieldColour.prototype.columns_=0;
 Blockly.FieldColour.prototype.init=function(){Blockly.FieldColour.superClass_.init.call(this);this.borderRect_.style.fillOpacity=1;this.setValue(this.getValue())};Blockly.FieldColour.prototype.CURSOR="default";Blockly.FieldColour.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldColour.superClass_.dispose.call(this)};Blockly.FieldColour.prototype.getValue=function(){return this.colour_};
-Blockly.FieldColour.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&this.colour_!=a&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.colour_,a));this.colour_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};Blockly.FieldColour.prototype.getText=function(){var a=this.colour_,b=a.match(/^#(.)\1(.)\2(.)\3$/);b&&(a="#"+b[1]+b[2]+b[3]);return a};Blockly.FieldColour.COLOURS=goog.ui.ColorPicker.SIMPLE_GRID_COLORS;
-Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a){this.colours_=a;return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
-Blockly.FieldColour.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,Blockly.FieldColour.widgetDispose_);var a=Blockly.utils.getViewportBBox(),b=this.getScaledBBox_(),c=this.createWidget_(),d=goog.style.getSize(c.getElement());Blockly.WidgetDiv.positionWithAnchor(a,b,d,this.sourceBlock_.RTL);var e=this;Blockly.FieldColour.changeEventKey_=goog.events.listen(c,goog.ui.ColorPicker.EventType.CHANGE,function(a){a=a.target.getSelectedColor()||"#000000";Blockly.WidgetDiv.hide();
-e.sourceBlock_&&(a=e.callValidator(a));null!==a&&e.setValue(a)})};Blockly.FieldColour.prototype.createWidget_=function(){var a=new goog.ui.ColorPicker;a.setSize(this.columns_||Blockly.FieldColour.COLUMNS);a.setColors(this.colours_||Blockly.FieldColour.COLOURS);a.render(Blockly.WidgetDiv.DIV);a.setSelectedColor(this.getValue());return a};Blockly.FieldColour.widgetDispose_=function(){Blockly.FieldColour.changeEventKey_&&goog.events.unlistenByKey(Blockly.FieldColour.changeEventKey_);Blockly.Events.setGroup(!1)};
-Blockly.Field.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b){"function"!=typeof a&&Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.trimOptions_();var c=this.getOptions()[0];Blockly.FieldDropdown.superClass_.constructor.call(this,c[1],b)};goog.inherits(Blockly.FieldDropdown,Blockly.Field);Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options)};Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;
+Blockly.FieldColour.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&this.colour_!=a&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,this.colour_,a));this.colour_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};Blockly.FieldColour.prototype.getText=function(){var a=this.colour_,b=a.match(/^#(.)\1(.)\2(.)\3$/);b&&(a="#"+b[1]+b[2]+b[3]);return a};Blockly.FieldColour.COLOURS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
+Blockly.FieldColour.TITLES=[];Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a,b){this.colours_=a;void 0!==b&&(this.titles_=b);return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
+Blockly.FieldColour.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,Blockly.FieldColour.widgetDispose_);var a=Blockly.utils.getViewportBBox(),b=this.getScaledBBox_(),c=this.createWidget_();Blockly.WidgetDiv.DIV.appendChild(c);var d=goog.style.getSize(c);Blockly.WidgetDiv.positionWithAnchor(a,b,d,this.sourceBlock_.RTL);Blockly.FieldColour.onUpWrapper_=Blockly.bindEvent_(c,"mouseup",this,this.onClick_)};
+Blockly.FieldColour.prototype.onClick_=function(a){(a=a.target)&&!a.label&&(a=a.parentNode);a=a&&a.label;Blockly.WidgetDiv.hide();this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(a)};
+Blockly.FieldColour.prototype.createWidget_=function(){var a=this.columns_||Blockly.FieldColour.COLUMNS,b=this.colours_||Blockly.FieldColour.COLOURS,c=this.titles_||Blockly.FieldColour.TITLES,d=this.getValue(),e=document.createElement("table");e.className="blocklyColourTable";for(var f,g=0;g<b.length;g++){0==g%a&&(f=document.createElement("tr"),e.appendChild(f));var h=document.createElement("td");f.appendChild(h);var k=document.createElement("div");h.appendChild(k);h.label=b[g];h.title=c[g]||b[g];
+k.style.backgroundColor=b[g];b[g]==d&&(k.className="blocklyColourSelected")}return e};Blockly.FieldColour.widgetDispose_=function(){Blockly.FieldColour.onUpWrapper_&&Blockly.unbindEvent_(Blockly.FieldColour.onUpWrapper_);Blockly.Events.setGroup(!1)};Blockly.Field.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b){"function"!=typeof a&&Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.trimOptions_();var c=this.getOptions()[0];Blockly.FieldDropdown.superClass_.constructor.call(this,c[1],b)};goog.inherits(Blockly.FieldDropdown,Blockly.Field);Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options)};Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;
 Blockly.FieldDropdown.ARROW_CHAR=goog.userAgent.ANDROID?"\u25bc":"\u25be";Blockly.FieldDropdown.prototype.CURSOR="default";Blockly.FieldDropdown.prototype.value_="";Blockly.FieldDropdown.prototype.imageElement_=null;Blockly.FieldDropdown.prototype.imageJson_=null;
 Blockly.FieldDropdown.prototype.init=function(){this.fieldGroup_||(this.arrow_=Blockly.utils.createSvgElement("tspan",{},null),this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL?Blockly.FieldDropdown.ARROW_CHAR+" ":" "+Blockly.FieldDropdown.ARROW_CHAR)),Blockly.FieldDropdown.superClass_.init.call(this))};Blockly.FieldDropdown.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,null);var a=this.createMenu_();this.addActionListener_(a);this.positionMenu_(a)};
 Blockly.FieldDropdown.prototype.addActionListener_=function(a){var b=this;goog.events.listen(a,goog.ui.Component.EventType.ACTION,function(a){if(a=a.target)b.onItemSelected(this,a);Blockly.WidgetDiv.hideIfOwner(b);Blockly.Events.setGroup(!1)})};
@@ -1684,7 +1632,7 @@ Blockly.VerticalFlyout.prototype.reflowInternal_=function(){this.workspace_.scal
 d.moveBy(a/this.workspace_.scale-this.MARGIN-Blockly.BlockSvg.TAB_WIDTH-e,0)),d.flyoutRect_&&this.moveRectToBlock_(d.flyoutRect_,d);if(this.RTL)for(c=0;d=this.buttons_[c];c++)b=d.getPosition().y,d.moveTo(a/this.workspace_.scale-d.width-this.MARGIN-Blockly.BlockSvg.TAB_WIDTH,b);this.width_=a;this.targetWorkspace_.resize()}};Blockly.Toolbox=function(a){this.workspace_=a;this.RTL=a.options.RTL;this.horizontalLayout_=a.options.horizontalLayout;this.toolboxPosition=a.options.toolboxPosition;this.config_={indentWidth:19,cssRoot:"blocklyTreeRoot",cssHideRoot:"blocklyHidden",cssItem:"",cssTreeRow:"blocklyTreeRow",cssItemLabel:"blocklyTreeLabel",cssTreeIcon:"blocklyTreeIcon",cssExpandedFolderIcon:"blocklyTreeIconOpen",cssFileIcon:"blocklyTreeIconNone",cssSelectedRow:"blocklyTreeSelected"};this.treeSeparatorConfig_={cssTreeRow:"blocklyTreeSeparator"};
 this.horizontalLayout_&&(this.config_.cssTreeRow+=a.RTL?" blocklyHorizontalTreeRtl":" blocklyHorizontalTree",this.treeSeparatorConfig_.cssTreeRow="blocklyTreeSeparatorHorizontal "+(a.RTL?"blocklyHorizontalTreeRtl":"blocklyHorizontalTree"),this.config_.cssTreeIcon="")};Blockly.Toolbox.prototype.width=0;Blockly.Toolbox.prototype.height=0;Blockly.Toolbox.prototype.selectedOption_=null;Blockly.Toolbox.prototype.lastCategory_=null;
 Blockly.Toolbox.prototype.init=function(){var a=this.workspace_,b=this.workspace_.getParentSvg();this.HtmlDiv=document.createElement("div");this.HtmlDiv.className="blocklyToolboxDiv";this.HtmlDiv.setAttribute("dir",a.RTL?"RTL":"LTR");b.parentNode.insertBefore(this.HtmlDiv,b);Blockly.bindEventWithChecks_(this.HtmlDiv,"mousedown",this,function(a){Blockly.utils.isRightButton(a)||a.target==this.HtmlDiv?Blockly.hideChaff(!1):Blockly.hideChaff(!0);Blockly.Touch.clearTouchIdentifier()},!1,!0);b={disabledPatternId:a.options.disabledPatternId,
-parentWorkspace:a,RTL:a.RTL,oneBasedIndex:a.options.oneBasedIndex,horizontalLayout:a.horizontalLayout,toolboxPosition:a.options.toolboxPosition};this.flyout_=null;this.flyout_=a.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);goog.dom.insertSiblingAfter(this.flyout_.createDom("svg"),this.workspace_.getParentSvg());this.flyout_.init(a);this.config_.cleardotPath=a.options.pathToMedia+"1x1.gif";this.config_.cssCollapsedFolderIcon="blocklyTreeIconClosed"+(a.RTL?"Rtl":"Ltr");
+parentWorkspace:a,RTL:a.RTL,oneBasedIndex:a.options.oneBasedIndex,horizontalLayout:a.horizontalLayout,toolboxPosition:a.options.toolboxPosition};this.flyout_=null;this.flyout_=a.horizontalLayout?new Blockly.HorizontalFlyout(b):new Blockly.VerticalFlyout(b);Blockly.utils.insertAfter(this.flyout_.createDom("svg"),this.workspace_.getParentSvg());this.flyout_.init(a);this.config_.cleardotPath=a.options.pathToMedia+"1x1.gif";this.config_.cssCollapsedFolderIcon="blocklyTreeIconClosed"+(a.RTL?"Rtl":"Ltr");
 this.tree_=b=new Blockly.Toolbox.TreeControl(this,this.config_);b.setShowRootNode(!1);b.setShowLines(!1);b.setShowExpandIcons(!1);b.setSelectedItem(null);a=this.populate_(a.options.languageTree);b.render(this.HtmlDiv);a&&b.setSelectedItem(a);this.addColour_();this.position()};Blockly.Toolbox.prototype.dispose=function(){this.flyout_.dispose();this.tree_.dispose();this.HtmlDiv.parentNode.removeChild(this.HtmlDiv);this.lastCategory_=this.workspace_=null};Blockly.Toolbox.prototype.getWidth=function(){return this.width};
 Blockly.Toolbox.prototype.getHeight=function(){return this.height};
 Blockly.Toolbox.prototype.position=function(){var a=this.HtmlDiv;if(a){var b=this.workspace_.getParentSvg();b=Blockly.svgSize(b);this.horizontalLayout_?(a.style.left="0",a.style.height="auto",a.style.width=b.width+"px",this.height=a.offsetHeight,this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?a.style.top="0":a.style.bottom="0"):(this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT?a.style.right="0":a.style.left="0",a.style.height=b.height+"px",this.width=a.offsetWidth);this.flyout_.position()}};
@@ -1704,39 +1652,38 @@ Blockly.Toolbox.TreeNode.prototype.onKeyDown=function(a){if(this.tree.toolbox_.h
 Blockly.Toolbox.TreeSeparator=function(a){Blockly.Toolbox.TreeNode.call(this,null,goog.html.SafeHtml.EMPTY,a)};goog.inherits(Blockly.Toolbox.TreeSeparator,Blockly.Toolbox.TreeNode);Blockly.Css={};Blockly.Css.Cursor={OPEN:"handopen",CLOSED:"handclosed",DELETE:"handdelete"};Blockly.Css.currentCursor_="";Blockly.Css.styleSheet_=null;Blockly.Css.mediaPath_="";
 Blockly.Css.inject=function(a,b){if(!Blockly.Css.styleSheet_){var c=".blocklyDraggable {}\n";a&&(c+=Blockly.Css.CONTENT.join("\n"),Blockly.FieldDate&&(c+=Blockly.FieldDate.CSS.join("\n")));Blockly.Css.mediaPath_=b.replace(/[\\\/]$/,"");c=c.replace(/<<<PATH>>>/g,Blockly.Css.mediaPath_);var d=document.createElement("style");document.head.insertBefore(d,document.head.firstChild);c=document.createTextNode(c);d.appendChild(c);Blockly.Css.styleSheet_=d.sheet}};Blockly.Css.setCursor=function(a){console.warn("Deprecated call to Blockly.Css.setCursor.See https://github.com/google/blockly/issues/981 for context")};
 Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;","overflow: hidden;","position: absolute;","display: block;","}",".blocklyWidgetDiv {","display: none;","position: absolute;","z-index: 99999;","}",".injectionDiv {","height: 100%;","position: relative;","overflow: hidden;","touch-action: none","}",".blocklyNonSelectable {","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","}",".blocklyWsDragSurface {","display: none;",
-"position: absolute;","top: 0;","left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);","color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;",
-"padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;","stroke-width: 1;","}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {",
-"display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;",
-"cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxGrab {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {","fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;",
-"}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;","}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;","font-size: 11pt;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {","fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {",
-"fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklyFlyoutButton {","fill: #888;","cursor: default;","}",".blocklyFlyoutButtonShadow {","fill: #666;","}",".blocklyFlyoutButton:hover {","fill: #aaa;","}",".blocklyFlyoutLabel {","cursor: default;","}",".blocklyFlyoutLabelBackground {","opacity: 0;","}",".blocklyFlyoutLabelText {","fill: #000;","}",".blocklySvg text, .blocklyBlockDragSurface text {",
-"user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;","}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {",
-"margin: 0;","padding: 0;","}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;","}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",
-".blocklySelected>.blocklyCommentTarget {","stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {","display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {",
-"stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0 1px;","width: 100%","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyTransparentBackground {","opacity: 0;","}",".blocklyMainWorkspaceScrollbar {","z-index: 20;",
-"}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {","fill: #bbb;","}",".blocklyZoom>image {","opacity: .4;","}",".blocklyZoom>image:hover {","opacity: .6;","}",".blocklyZoom>image:active {","opacity: .8;","}",
-".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyAngleCircle {","stroke: #444;","stroke-width: 1;","fill: #ddd;","fill-opacity: .8;","}",".blocklyAngleMarks {","stroke: #444;","stroke-width: 1;","}",".blocklyAngleGauge {","fill: #f88;","fill-opacity: .8;","}",".blocklyAngleLine {","stroke: #f00;",
-"stroke-width: 2;","stroke-linecap: round;","pointer-events: none;","}",".blocklyContextMenu {","border-radius: 4px;","}",".blocklyDropdownMenu {","padding: 0 !important;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px !important;","}",".blocklyToolboxDiv {","background-color: #ddd;","overflow-x: visible;","overflow-y: auto;","position: absolute;",
-"user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","z-index: 70;","-webkit-tap-highlight-color: transparent;","}",".blocklyTreeRoot {","padding: 4px 0;","}",".blocklyTreeRoot:focus {","outline: none;","}",".blocklyTreeRow {","height: 22px;","line-height: 22px;","margin-bottom: 3px;","padding-right: 8px;","white-space: nowrap;","}",".blocklyHorizontalTree {","float: left;","margin: 1px 5px 8px 0;","}",".blocklyHorizontalTreeRtl {","float: right;","margin: 1px 0 8px 5px;",
-"}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',"margin-left: 8px;","}",".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: #e4e4e4;","}",".blocklyTreeSeparator {","border-bottom: solid #e5e5e5 1px;","height: 0;","margin: 5px 0;","}",".blocklyTreeSeparatorHorizontal {","border-right: solid #e5e5e5 1px;","width: 0;","padding: 5px 0;","margin: 0 5px;","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","width: 16px;",
-"}",".blocklyTreeIconClosedLtr {","background-position: -32px -1px;","}",".blocklyTreeIconClosedRtl {","background-position: 0 -1px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedLtr {","background-position: -32px -17px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedRtl {","background-position: 0 -17px;","}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeIconNone,",".blocklyTreeSelected>.blocklyTreeIconNone {",
-"background-position: -48px -1px;","}",".blocklyTreeLabel {","cursor: default;","font-family: sans-serif;","font-size: 16px;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}",".blocklyWidgetDiv .goog-palette {","outline: none;","cursor: default;","}",".blocklyWidgetDiv .goog-palette-table {","border: 1px solid #666;","border-collapse: collapse;",
-"}",".blocklyWidgetDiv .goog-palette-cell {","height: 13px;","width: 15px;","margin: 0;","border: 0;","text-align: center;","vertical-align: middle;","border-right: 1px solid #666;","font-size: 1px;","}",".blocklyWidgetDiv .goog-palette-colorswatch {","position: relative;","height: 13px;","width: 15px;","border: 1px solid #666;","}",".blocklyWidgetDiv .goog-palette-cell-hover .goog-palette-colorswatch {","border: 1px solid #FFF;","}",".blocklyWidgetDiv .goog-palette-cell-selected .goog-palette-colorswatch {",
-"border: 1px solid #000;","color: #fff;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;","cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;",
-"margin: 0;","padding: 4px 7em 4px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl {","padding-left: 7em;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,",
-".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 3px;","padding-top: 3px;","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon {",
-"background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;",
-"}",".blocklyWidgetDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {","left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {",
-"border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
+"position: absolute;","top: 0;","left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyBlockCanvas.blocklyCanvasTransitioning,",".blocklyBubbleCanvas.blocklyCanvasTransitioning {","transition: transform .5s;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
+"color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;","padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;","stroke-width: 1;",
+"}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {","display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;",
+"}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxGrab {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {",
+"fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;","}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;","}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;","font-size: 11pt;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {",
+"fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {","fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklyFlyoutButton {","fill: #888;","cursor: default;","}",".blocklyFlyoutButtonShadow {","fill: #666;","}",".blocklyFlyoutButton:hover {","fill: #aaa;","}",".blocklyFlyoutLabel {","cursor: default;","}",
+".blocklyFlyoutLabelBackground {","opacity: 0;","}",".blocklyFlyoutLabelText {","fill: #000;","}",".blocklySvg text, .blocklyBlockDragSurface text {","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;",
+"}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {","margin: 0;","padding: 0;","}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;",
+"}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",".blocklySelected>.blocklyCommentTarget {","stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {",
+"display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {","stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0 1px;","width: 100%","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",
+".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyTransparentBackground {","opacity: 0;","}",".blocklyMainWorkspaceScrollbar {","z-index: 20;","}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {",
+"fill: #bbb;","}",".blocklyZoom>image {","opacity: .4;","}",".blocklyZoom>image:hover {","opacity: .6;","}",".blocklyZoom>image:active {","opacity: .8;","}",".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyAngleCircle {","stroke: #444;","stroke-width: 1;","fill: #ddd;","fill-opacity: .8;",
+"}",".blocklyAngleMarks {","stroke: #444;","stroke-width: 1;","}",".blocklyAngleGauge {","fill: #f88;","fill-opacity: .8;","}",".blocklyAngleLine {","stroke: #f00;","stroke-width: 2;","stroke-linecap: round;","pointer-events: none;","}",".blocklyContextMenu {","border-radius: 4px;","}",".blocklyDropdownMenu {","padding: 0 !important;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px !important;",
+"}",".blocklyToolboxDiv {","background-color: #ddd;","overflow-x: visible;","overflow-y: auto;","position: absolute;","user-select: none;","-moz-user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","z-index: 70;","-webkit-tap-highlight-color: transparent;","}",".blocklyTreeRoot {","padding: 4px 0;","}",".blocklyTreeRoot:focus {","outline: none;","}",".blocklyTreeRow {","height: 22px;","line-height: 22px;","margin-bottom: 3px;","padding-right: 8px;","white-space: nowrap;","}",
+".blocklyHorizontalTree {","float: left;","margin: 1px 5px 8px 0;","}",".blocklyHorizontalTreeRtl {","float: right;","margin: 1px 0 8px 5px;","}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',"margin-left: 8px;","}",".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: #e4e4e4;","}",".blocklyTreeSeparator {","border-bottom: solid #e5e5e5 1px;","height: 0;","margin: 5px 0;","}",".blocklyTreeSeparatorHorizontal {","border-right: solid #e5e5e5 1px;","width: 0;","padding: 5px 0;",
+"margin: 0 5px;","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","width: 16px;","}",".blocklyTreeIconClosedLtr {","background-position: -32px -1px;","}",".blocklyTreeIconClosedRtl {","background-position: 0 -1px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedLtr {","background-position: -32px -17px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedRtl {","background-position: 0 -17px;",
+"}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeIconNone,",".blocklyTreeSelected>.blocklyTreeIconNone {","background-position: -48px -1px;","}",".blocklyTreeLabel {","cursor: default;","font-family: sans-serif;","font-size: 16px;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}",".blocklyColourTable {",
+"border-collapse: collapse;","}",".blocklyColourTable>tr>td {","border: 1px solid #666;","padding: 0;","}",".blocklyColourTable>tr>td>div {","border: 1px solid #666;","height: 13px;","width: 15px;","}",".blocklyColourTable>tr>td>div:hover {","border: 1px solid #fff;","}",".blocklyColourSelected, .blocklyColourSelected:hover {","border: 1px solid #000 !important;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;",
+"cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;","padding: 4px 7em 4px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl {","padding-left: 7em;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",
+".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;",
+"filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 3px;","padding-top: 3px;","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",
+".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;","}",".blocklyWidgetDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {",
+"left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
 Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=goog.style.getViewportPageOffset(document);Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
 Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,Blockly.WidgetDiv.DIV.innerHTML="")};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
 Blockly.WidgetDiv.position=function(a,b,c,d,e){b<d.y&&(b=d.y);e?a>c.width+d.x&&(a=c.width+d.x):a<d.x&&(a=d.x);Blockly.WidgetDiv.positionInternal_(a,b,c.height)};Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};
-Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);Blockly.WidgetDiv.positionInternal_(a,e,c.height)};Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!goog.dom.contains(document,a))throw Error("Error: container is not in current document.");var c=new Blockly.Options(b||{}),d=document.createElement("div");d.className="injectionDiv";a.appendChild(d);var e=Blockly.createDom_(d,c),f=new Blockly.BlockDragSurfaceSvg(d);d=new Blockly.WorkspaceDragSurfaceSvg(d);c=Blockly.createMainWorkspace_(e,c,f,d);Blockly.init_(c);
-Blockly.mainWorkspace=c;Blockly.svgResize(c);return c};
+Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);Blockly.WidgetDiv.positionInternal_(a,e,c.height)};Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!Blockly.utils.containsNode(document,a))throw Error("Error: container is not in current document.");var c=new Blockly.Options(b||{}),d=document.createElement("div");d.className="injectionDiv";a.appendChild(d);var e=Blockly.createDom_(d,c),f=new Blockly.BlockDragSurfaceSvg(d);d=new Blockly.WorkspaceDragSurfaceSvg(d);c=Blockly.createMainWorkspace_(e,c,f,d);
+Blockly.init_(c);Blockly.mainWorkspace=c;Blockly.svgResize(c);return c};
 Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");goog.ui.Component.setDefaultRightToLeft(b.RTL);Blockly.Css.inject(b.hasCss,b.pathToMedia);var c=Blockly.utils.createSvgElement("svg",{xmlns:"http://www.w3.org/2000/svg","xmlns:html":"http://www.w3.org/1999/xhtml","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklySvg"},a),d=Blockly.utils.createSvgElement("defs",{},c),e=String(Math.random()).substring(2),f=Blockly.utils.createSvgElement("filter",{id:"blocklyEmbossFilter"+
 e},d);Blockly.utils.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",stdDeviation:1,result:"blur"},f);var g=Blockly.utils.createSvgElement("feSpecularLighting",{"in":"blur",surfaceScale:1,specularConstant:.5,specularExponent:10,"lighting-color":"white",result:"specOut"},f);Blockly.utils.createSvgElement("fePointLight",{x:-5E3,y:-1E4,z:2E4},g);Blockly.utils.createSvgElement("feComposite",{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},f);Blockly.utils.createSvgElement("feComposite",
 {"in":"SourceGraphic",in2:"specOut",operator:"arithmetic",k1:0,k2:1,k3:1,k4:0},f);b.embossFilterId=f.id;f=Blockly.utils.createSvgElement("pattern",{id:"blocklyDisabledPattern"+e,patternUnits:"userSpaceOnUse",width:10,height:10},d);Blockly.utils.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},f);Blockly.utils.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},f);b.disabledPatternId=f.id;b.gridPattern=Blockly.Grid.createDom(e,b.gridOptions,d);return c};
-Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));!b.hasCategories&&b.languageTree&&(c=e.addFlyout_("svg"),Blockly.utils.insertAfter_(c,a));e.translate(0,0);Blockly.mainWorkspace=e;b.readOnly||b.hasScrollbars||e.addChangeListener(function(){if(!e.isDragging()){var a=e.getMetrics(),c=a.viewLeft+a.absoluteLeft,d=a.viewTop+a.absoluteTop;if(a.contentTop<d||a.contentTop+
+Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));!b.hasCategories&&b.languageTree&&(c=e.addFlyout_("svg"),Blockly.utils.insertAfter(c,a));e.translate(0,0);Blockly.mainWorkspace=e;b.readOnly||b.hasScrollbars||e.addChangeListener(function(){if(!e.isDragging()){var a=e.getMetrics(),c=a.viewLeft+a.absoluteLeft,d=a.viewTop+a.absoluteTop;if(a.contentTop<d||a.contentTop+
 a.contentHeight>a.viewHeight+d||a.contentLeft<(b.RTL?a.viewLeft:c)||a.contentLeft+a.contentWidth>(b.RTL?a.viewWidth:a.viewWidth+c))for(var k=e.getTopBlocks(!1),l=0,n;n=k[l];l++){var m=n.getRelativeToSurfaceXY(),p=n.getHeightWidth(),q=d+25-p.height-m.y;0<q&&n.moveBy(0,q);q=d+a.viewHeight-25-m.y;0>q&&n.moveBy(0,q);q=25+c-m.x-(b.RTL?0:p.width);0<q&&n.moveBy(q,0);m=c+a.viewWidth-25-m.x+(b.RTL?p.width:0);0>m&&n.moveBy(m,0)}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();
 return e};
 Blockly.init_=function(a){var b=a.options,c=a.getParentSvg();Blockly.bindEventWithChecks_(c.parentNode,"contextmenu",null,function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()});c=Blockly.bindEventWithChecks_(window,"resize",null,function(){Blockly.hideChaff(!0);Blockly.svgResize(a)});a.setResizeHandlerWrapper(c);Blockly.inject.bindDocumentEvents_();b.languageTree&&(a.toolbox_?a.toolbox_.init(a):a.flyout_&&(a.flyout_.init(a),a.flyout_.show(b.languageTree.childNodes),a.flyout_.scrollToStart(),a.scrollX=
@@ -1745,9 +1692,9 @@ Blockly.inject.bindDocumentEvents_=function(){Blockly.documentEventsBound_||(Blo
 Blockly.inject.loadSounds_=function(a,b){var c=b.getAudioManager();c.load([a+"click.mp3",a+"click.wav",a+"click.ogg"],"click");c.load([a+"disconnect.wav",a+"disconnect.mp3",a+"disconnect.ogg"],"disconnect");c.load([a+"delete.mp3",a+"delete.ogg",a+"delete.wav"],"delete");var d=[],e=function(){for(;d.length;)Blockly.unbindEvent_(d.pop());c.preload()};d.push(Blockly.bindEventWithChecks_(document,"mousemove",null,e,!0));d.push(Blockly.bindEventWithChecks_(document,"touchstart",null,e,!0))};
 Blockly.updateToolbox=function(a){console.warn("Deprecated call to Blockly.updateToolbox, use workspace.updateToolbox instead.");Blockly.getMainWorkspace().updateToolbox(a)};var CLOSURE_DEFINES={"goog.DEBUG":!1};Blockly.mainWorkspace=null;Blockly.selected=null;Blockly.draggingConnections_=[];Blockly.clipboardXml_=null;Blockly.clipboardSource_=null;Blockly.cache3dSupported_=null;Blockly.hueToRgb=function(a){return goog.color.hsvToHex(a,Blockly.HSV_SATURATION,255*Blockly.HSV_VALUE)};Blockly.svgSize=function(a){return{width:a.cachedWidth_,height:a.cachedHeight_}};Blockly.resizeSvgContents=function(a){a.resizeContents()};
 Blockly.svgResize=function(a){for(;a.options.parentWorkspace;)a=a.options.parentWorkspace;var b=a.getParentSvg(),c=b.parentNode;if(c){var d=c.offsetWidth;c=c.offsetHeight;b.cachedWidth_!=d&&(b.setAttribute("width",d+"px"),b.cachedWidth_=d);b.cachedHeight_!=c&&(b.setAttribute("height",c+"px"),b.cachedHeight_=c);a.resize()}};
-Blockly.onKeyDown_=function(a){if(!Blockly.mainWorkspace.options.readOnly&&!Blockly.utils.isTargetInput(a)){var b=!1;if(27==a.keyCode)Blockly.hideChaff();else if(8==a.keyCode||46==a.keyCode){a.preventDefault();if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&(b=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&Blockly.selected.isMovable()&&(67==a.keyCode?(Blockly.hideChaff(),
-Blockly.copy_(Blockly.selected)):88!=a.keyCode||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),b=!0));86==a.keyCode?Blockly.clipboardXml_&&(Blockly.Events.setGroup(!0),a=Blockly.clipboardSource_,a.isFlyout&&(a=a.targetWorkspace),a.paste(Blockly.clipboardXml_),Blockly.Events.setGroup(!1)):90==a.keyCode&&(Blockly.hideChaff(),Blockly.mainWorkspace.undo(a.shiftKey))}b&&!Blockly.selected.workspace.isFlyout&&(Blockly.Events.setGroup(!0),Blockly.hideChaff(),Blockly.selected.dispose(!0,
-!0),Blockly.Events.setGroup(!1))}};Blockly.copy_=function(a){if(a.isComment)var b=a.toXmlWithXY();else{b=Blockly.Xml.blockToDom(a);Blockly.Xml.deleteNext(b);var c=a.getRelativeToSurfaceXY();b.setAttribute("x",a.RTL?-c.x:c.x);b.setAttribute("y",c.y)}Blockly.clipboardXml_=b;Blockly.clipboardSource_=a.workspace};
+Blockly.onKeyDown_=function(a){if(!(Blockly.mainWorkspace.options.readOnly||Blockly.utils.isTargetInput(a)||Blockly.mainWorkspace.rendered&&!Blockly.mainWorkspace.isVisible())){var b=!1;if(27==a.keyCode)Blockly.hideChaff();else if(8==a.keyCode||46==a.keyCode){a.preventDefault();if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&(b=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.mainWorkspace.isDragging())return;Blockly.selected&&Blockly.selected.isDeletable()&&
+Blockly.selected.isMovable()&&(67==a.keyCode?(Blockly.hideChaff(),Blockly.copy_(Blockly.selected)):88!=a.keyCode||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),b=!0));86==a.keyCode?Blockly.clipboardXml_&&(Blockly.Events.setGroup(!0),a=Blockly.clipboardSource_,a.isFlyout&&(a=a.targetWorkspace),a.paste(Blockly.clipboardXml_),Blockly.Events.setGroup(!1)):90==a.keyCode&&(Blockly.hideChaff(),Blockly.mainWorkspace.undo(a.shiftKey))}b&&!Blockly.selected.workspace.isFlyout&&(Blockly.Events.setGroup(!0),
+Blockly.hideChaff(),Blockly.selected.dispose(!0,!0),Blockly.Events.setGroup(!1))}};Blockly.copy_=function(a){if(a.isComment)var b=a.toXmlWithXY();else{b=Blockly.Xml.blockToDom(a);Blockly.Xml.deleteNext(b);var c=a.getRelativeToSurfaceXY();b.setAttribute("x",a.RTL?-c.x:c.x);b.setAttribute("y",c.y)}Blockly.clipboardXml_=b;Blockly.clipboardSource_=a.workspace};
 Blockly.duplicate_=function(a){var b=Blockly.clipboardXml_,c=Blockly.clipboardSource_;Blockly.copy_(a);a.workspace.paste(Blockly.clipboardXml_);Blockly.clipboardXml_=b;Blockly.clipboardSource_=c};Blockly.onContextMenu_=function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()};Blockly.hideChaff=function(a){Blockly.Tooltip.hide();Blockly.WidgetDiv.hide();a||(a=Blockly.getMainWorkspace(),a.toolbox_&&a.toolbox_.flyout_&&a.toolbox_.flyout_.autoClose&&a.toolbox_.clearSelection())};
 Blockly.addChangeListener=function(a){console.warn("Deprecated call to Blockly.addChangeListener, use workspace.addChangeListener instead.");return Blockly.getMainWorkspace().addChangeListener(a)};Blockly.getMainWorkspace=function(){return Blockly.mainWorkspace};Blockly.alert=function(a,b){window.alert(a);b&&b()};Blockly.confirm=function(a,b){b(window.confirm(a))};Blockly.prompt=function(a,b,c){c(window.prompt(a,b))};Blockly.jsonInitFactory_=function(a){return function(){this.jsonInit(a)}};
 Blockly.defineBlocksWithJsonArray=function(a){for(var b=0;b<a.length;b++){var c=a[b];if(c){var d=c.type;null==d||""===d?console.warn("Block definition #"+b+" in JSON array is missing a type attribute. Skipping."):(Blockly.Blocks[d]&&console.warn("Block definition #"+b+' in JSON array overwrites prior definition of "'+d+'".'),Blockly.Blocks[d]={init:Blockly.jsonInitFactory_(c)})}else console.warn("Block definition #"+b+" in JSON array is "+c+". Skipping.")}};
diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
index 63577fc33..c97475c91 100644
--- a/blockly_uncompressed.js
+++ b/blockly_uncompressed.js
@@ -58,7 +58,7 @@ goog.addDependency("../../../" + dir + "/core/extensions.js", ['Blockly.Extensio
 goog.addDependency("../../../" + dir + "/core/field.js", ['Blockly.Field'], ['Blockly.Events.BlockChange', 'Blockly.Gesture', 'Blockly.utils', 'goog.math.Size', 'goog.style', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_angle.js", ['Blockly.FieldAngle'], ['Blockly.FieldTextInput', 'Blockly.utils', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_checkbox.js", ['Blockly.FieldCheckbox'], ['Blockly.Field', 'Blockly.utils']);
-goog.addDependency("../../../" + dir + "/core/field_colour.js", ['Blockly.FieldColour'], ['Blockly.Field', 'Blockly.utils', 'goog.events', 'goog.style', 'goog.ui.ColorPicker']);
+goog.addDependency("../../../" + dir + "/core/field_colour.js", ['Blockly.FieldColour'], ['Blockly.Field', 'Blockly.utils', 'goog.style']);
 goog.addDependency("../../../" + dir + "/core/field_date.js", ['Blockly.FieldDate'], ['Blockly.Field', 'Blockly.utils', 'goog.date', 'goog.date.DateTime', 'goog.events', 'goog.i18n.DateTimeSymbols', 'goog.i18n.DateTimeSymbols_he', 'goog.style', 'goog.ui.DatePicker']);
 goog.addDependency("../../../" + dir + "/core/field_dropdown.js", ['Blockly.FieldDropdown'], ['Blockly.Field', 'Blockly.utils', 'Blockly.utils.uiMenu', 'goog.events', 'goog.ui.Menu', 'goog.ui.MenuItem', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_image.js", ['Blockly.FieldImage'], ['Blockly.Field', 'Blockly.utils', 'goog.math.Size']);
@@ -75,7 +75,7 @@ goog.addDependency("../../../" + dir + "/core/generator.js", ['Blockly.Generator
 goog.addDependency("../../../" + dir + "/core/gesture.js", ['Blockly.Gesture'], ['Blockly.BlockAnimations', 'Blockly.BlockDragger', 'Blockly.BubbleDragger', 'Blockly.constants', 'Blockly.Events.Ui', 'Blockly.FlyoutDragger', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.utils', 'Blockly.WorkspaceDragger', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/grid.js", ['Blockly.Grid'], ['Blockly.utils', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/icon.js", ['Blockly.Icon'], ['Blockly.utils', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/inject.js", ['Blockly.inject'], ['Blockly.BlockDragSurfaceSvg', 'Blockly.Css', 'Blockly.Grid', 'Blockly.Options', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'Blockly.WorkspaceDragSurfaceSvg', 'goog.dom', 'goog.ui.Component', 'goog.userAgent']);
+goog.addDependency("../../../" + dir + "/core/inject.js", ['Blockly.inject'], ['Blockly.BlockDragSurfaceSvg', 'Blockly.Css', 'Blockly.Grid', 'Blockly.Options', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'Blockly.WorkspaceDragSurfaceSvg', 'goog.ui.Component', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/input.js", ['Blockly.Input'], ['Blockly.Connection', 'Blockly.FieldLabel']);
 goog.addDependency("../../../" + dir + "/core/msg.js", ['Blockly.Msg'], []);
 goog.addDependency("../../../" + dir + "/core/mutator.js", ['Blockly.Mutator'], ['Blockly.Bubble', 'Blockly.Events.BlockChange', 'Blockly.Events.Ui', 'Blockly.Icon', 'Blockly.utils', 'Blockly.WorkspaceSvg', 'goog.dom']);
@@ -84,7 +84,7 @@ goog.addDependency("../../../" + dir + "/core/options.js", ['Blockly.Options'],
 goog.addDependency("../../../" + dir + "/core/procedures.js", ['Blockly.Procedures'], ['Blockly.Blocks', 'Blockly.constants', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.Names', 'Blockly.Workspace', 'goog.dom']);
 goog.addDependency("../../../" + dir + "/core/rendered_connection.js", ['Blockly.RenderedConnection'], ['Blockly.Connection', 'Blockly.utils', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/scrollbar.js", ['Blockly.Scrollbar', 'Blockly.ScrollbarPair'], ['Blockly.utils', 'goog.events.BrowserFeature', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Events.Ui', 'Blockly.Flyout', 'Blockly.HorizontalFlyout', 'Blockly.Touch', 'Blockly.utils', 'Blockly.VerticalFlyout', 'goog.dom', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
+goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Events.Ui', 'Blockly.Flyout', 'Blockly.HorizontalFlyout', 'Blockly.Touch', 'Blockly.utils', 'Blockly.VerticalFlyout', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
 goog.addDependency("../../../" + dir + "/core/tooltip.js", ['Blockly.Tooltip'], ['Blockly.utils', 'goog.dom']);
 goog.addDependency("../../../" + dir + "/core/touch.js", ['Blockly.Touch'], ['Blockly.utils', 'goog.events.BrowserFeature']);
 goog.addDependency("../../../" + dir + "/core/touch_gesture.js", ['Blockly.TouchGesture'], ['Blockly.Gesture', 'Blockly.utils', 'goog.math.Coordinate']);
@@ -103,7 +103,7 @@ goog.addDependency("../../../" + dir + "/core/workspace.js", ['Blockly.Workspace
 goog.addDependency("../../../" + dir + "/core/workspace_audio.js", ['Blockly.WorkspaceAudio'], ['goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/workspace_comment.js", ['Blockly.WorkspaceComment'], ['Blockly.Events.CommentChange', 'Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'goog.dom', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_comment_render_svg.js", ['Blockly.WorkspaceCommentSvg.render'], ['Blockly.utils', 'Blockly.WorkspaceCommentSvg', 'goog.math.Coordinate']);
-goog.addDependency("../../../" + dir + "/core/workspace_comment_svg.js", ['Blockly.WorkspaceCommentSvg'], ['Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.WorkspaceComment', 'goog.dom', 'goog.math.Coordinate']);
+goog.addDependency("../../../" + dir + "/core/workspace_comment_svg.js", ['Blockly.WorkspaceCommentSvg'], ['Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.WorkspaceComment', 'goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_drag_surface_svg.js", ['Blockly.WorkspaceDragSurfaceSvg'], ['Blockly.utils']);
 goog.addDependency("../../../" + dir + "/core/workspace_dragger.js", ['Blockly.WorkspaceDragger'], ['goog.math.Coordinate']);
 goog.addDependency("../../../" + dir + "/core/workspace_svg.js", ['Blockly.WorkspaceSvg'], ['Blockly.ConnectionDB', 'Blockly.constants', 'Blockly.Events.BlockCreate', 'Blockly.Gesture', 'Blockly.Grid', 'Blockly.Options', 'Blockly.ScrollbarPair', 'Blockly.Touch', 'Blockly.TouchGesture', 'Blockly.Trashcan', 'Blockly.utils', 'Blockly.VariablesDynamic', 'Blockly.Workspace', 'Blockly.WorkspaceAudio', 'Blockly.WorkspaceComment', 'Blockly.WorkspaceCommentSvg', 'Blockly.WorkspaceCommentSvg.render', 'Blockly.WorkspaceDragSurfaceSvg', 'Blockly.Xml', 'Blockly.ZoomControls', 'goog.dom', 'goog.math.Coordinate']);
@@ -112,6 +112,18 @@ goog.addDependency("../../../" + dir + "/core/xml.js", ['Blockly.Xml'], ['Blockl
 goog.addDependency("../../../" + dir + "/core/zoom_controls.js", ['Blockly.ZoomControls'], ['Blockly.Touch', 'Blockly.utils']);
 goog.addDependency("../../alltests.js", [], []);
 goog.addDependency("../../browser_capabilities.js", [], []);
+goog.addDependency("../../closure-deps/bin/closuremakedeps.js", [], []);
+goog.addDependency("../../closure-deps/bin/getjsversion.js", [], []);
+goog.addDependency("../../closure-deps/index.js", [], []);
+goog.addDependency("../../closure-deps/lib/depfile.js", [], []);
+goog.addDependency("../../closure-deps/lib/depgraph.js", [], []);
+goog.addDependency("../../closure-deps/lib/parser.js", [], []);
+goog.addDependency("../../closure-deps/lib/sourceerror.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/closuremakedeps_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/depfile_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/depgraph_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/parser_test.js", [], []);
+goog.addDependency("../../closure-deps/spec/tests/readme_test.js", [], []);
 goog.addDependency("../../doc/js/article.js", [], []);
 goog.addDependency("../../protractor.conf.js", [], []);
 goog.addDependency("../../protractor_spec.js", [], []);
@@ -830,7 +842,7 @@ goog.addDependency("labs/useragent/util.js", ['goog.labs.userAgent.util'], ['goo
 goog.addDependency("labs/useragent/util_test.js", ['goog.labs.userAgent.utilTest'], ['goog.functions', 'goog.labs.userAgent.testAgents', 'goog.labs.userAgent.util', 'goog.testing.PropertyReplacer', 'goog.testing.jsunit']);
 goog.addDependency("labs/useragent/verifier.js", ['goog.labs.useragent.verifier'], []);
 goog.addDependency("labs/useragent/verifier_test.js", [], []);
-goog.addDependency("loader/abstractmodulemanager.js", ['goog.loader.AbstractModuleManager', 'goog.loader.AbstractModuleManager.CallbackType', 'goog.loader.AbstractModuleManager.FailureType'], ['goog.Disposable', 'goog.module.AbstractModuleLoader', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback']);
+goog.addDependency("loader/abstractmodulemanager.js", ['goog.loader.AbstractModuleManager', 'goog.loader.AbstractModuleManager.CallbackType', 'goog.loader.AbstractModuleManager.FailureType'], ['goog.module.AbstractModuleLoader', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback']);
 goog.addDependency("loader/activemodulemanager.js", [], []);
 goog.addDependency("locale/countries.js", ['goog.locale.countries'], []);
 goog.addDependency("locale/countrylanguagenames_test.js", ['goog.locale.countryLanguageNamesTest'], ['goog.locale', 'goog.testing.jsunit']);
@@ -936,7 +948,7 @@ goog.addDependency("module/moduleloadcallback.js", ['goog.module.ModuleLoadCallb
 goog.addDependency("module/moduleloadcallback_test.js", ['goog.module.ModuleLoadCallbackTest'], ['goog.debug.ErrorHandler', 'goog.debug.entryPointRegistry', 'goog.functions', 'goog.module.ModuleLoadCallback', 'goog.testing.jsunit', 'goog.testing.recordFunction']);
 goog.addDependency("module/moduleloader.js", ['goog.module.ModuleLoader'], ['goog.Timer', 'goog.array', 'goog.events', 'goog.events.Event', 'goog.events.EventHandler', 'goog.events.EventId', 'goog.events.EventTarget', 'goog.html.TrustedResourceUrl', 'goog.labs.userAgent.browser', 'goog.log', 'goog.module.AbstractModuleLoader', 'goog.net.BulkLoader', 'goog.net.EventType', 'goog.net.jsloader', 'goog.userAgent', 'goog.userAgent.product']);
 goog.addDependency("module/moduleloader_test.js", ['goog.module.ModuleLoaderTest'], ['goog.Promise', 'goog.array', 'goog.dom', 'goog.dom.TagName', 'goog.events', 'goog.functions', 'goog.html.TrustedResourceUrl', 'goog.loader.activeModuleManager', 'goog.module.ModuleLoader', 'goog.module.ModuleManager', 'goog.net.BulkLoader', 'goog.net.XmlHttp', 'goog.object', 'goog.string.Const', 'goog.testing.PropertyReplacer', 'goog.testing.TestCase', 'goog.testing.events.EventObserver', 'goog.testing.jsunit', 'goog.userAgent']);
-goog.addDependency("module/modulemanager.js", ['goog.module.ModuleManager', 'goog.module.ModuleManager.CallbackType', 'goog.module.ModuleManager.FailureType'], ['goog.array', 'goog.asserts', 'goog.async.Deferred', 'goog.debug.Trace', 'goog.disposeAll', 'goog.loader.AbstractModuleManager', 'goog.loader.activeModuleManager', 'goog.log', 'goog.module', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback', 'goog.object']);
+goog.addDependency("module/modulemanager.js", ['goog.module.ModuleManager', 'goog.module.ModuleManager.CallbackType', 'goog.module.ModuleManager.FailureType'], ['goog.array', 'goog.asserts', 'goog.async.Deferred', 'goog.debug.Trace', 'goog.disposable.IDisposable', 'goog.disposeAll', 'goog.loader.AbstractModuleManager', 'goog.loader.activeModuleManager', 'goog.log', 'goog.module', 'goog.module.ModuleInfo', 'goog.module.ModuleLoadCallback', 'goog.object']);
 goog.addDependency("module/modulemanager_test.js", ['goog.module.ModuleManagerTest'], ['goog.array', 'goog.functions', 'goog.module.BaseModule', 'goog.module.ModuleManager', 'goog.testing', 'goog.testing.MockClock', 'goog.testing.jsunit', 'goog.testing.recordFunction']);
 goog.addDependency("module/testdata/modA_1.js", ['goog.module.testdata.modA_1'], []);
 goog.addDependency("module/testdata/modA_2.js", ['goog.module.testdata.modA_2'], ['goog.module.ModuleManager']);
diff --git a/blocks_compressed.js b/blocks_compressed.js
index 31ad46f67..c58c70f12 100644
--- a/blocks_compressed.js
+++ b/blocks_compressed.js
@@ -105,16 +105,17 @@ Blockly.Blocks.procedures_mutatorcontainer={init:function(){this.appendDummyInpu
 Blockly.Blocks.procedures_mutatorarg={init:function(){var a=new Blockly.FieldTextInput("x",this.validator_);a.oldShowEditorFn_=a.showEditor_;a.showEditor_=function(){this.createdVariables_=[];this.oldShowEditorFn_()};this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_MUTATORARG_TITLE).appendField(a,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setTooltip(Blockly.Msg.PROCEDURES_MUTATORARG_TOOLTIP);this.contextMenu=!1;a.onFinishEditing_=
 this.deleteIntermediateVars_;a.createdVariables_=[];a.onFinishEditing_("x")},validator_:function(a){var b=Blockly.Mutator.findParentWs(this.sourceBlock_.workspace);a=a.replace(/[\s\xa0]+/g," ").replace(/^ | $/g,"");if(!a)return null;var c=b.getVariable(a,"");c&&c.name!=a&&b.renameVarById(c.getId(),a);c||(c=b.createVariable(a,""))&&this.createdVariables_&&this.createdVariables_.push(c);return a},deleteIntermediateVars_:function(a){var b=Blockly.Mutator.findParentWs(this.sourceBlock_.workspace);if(b)for(var c=
 0;c<this.createdVariables_.length;c++){var e=this.createdVariables_[c];e.name!=a&&b.deleteVariableById(e.getId())}}};
-Blockly.Blocks.procedures_callnoreturn={init:function(){this.appendDummyInput("TOPROW").appendField(this.id,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.quarkConnections_={};this.quarkIds_=null},getProcedureCall:function(){return this.getFieldValue("NAME")},renameProcedure:function(a,b){Blockly.Names.equals(a,this.getProcedureCall())&&
-(this.setFieldValue(b,"NAME"),this.setTooltip((this.outputConnection?Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP:Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP).replace("%1",b)))},setProcedureParameters_:function(a,b){var c=Blockly.Procedures.getDefinition(this.getProcedureCall(),this.workspace),e=c&&c.mutator&&c.mutator.isVisible();e||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(a.join("\n")==this.arguments_.join("\n"))this.quarkIds_=b;else{if(b.length!=a.length)throw RangeError("paramNames and paramIds must be the same length.");
+Blockly.Blocks.procedures_callnoreturn={init:function(){this.appendDummyInput("TOPROW").appendField(this.id,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.quarkConnections_={};this.quarkIds_=null;this.previousDisabledState_=!1},getProcedureCall:function(){return this.getFieldValue("NAME")},renameProcedure:function(a,b){Blockly.Names.equals(a,
+this.getProcedureCall())&&(this.setFieldValue(b,"NAME"),this.setTooltip((this.outputConnection?Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP:Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP).replace("%1",b)))},setProcedureParameters_:function(a,b){var c=Blockly.Procedures.getDefinition(this.getProcedureCall(),this.workspace),e=c&&c.mutator&&c.mutator.isVisible();e||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(a.join("\n")==this.arguments_.join("\n"))this.quarkIds_=b;else{if(b.length!=a.length)throw RangeError("paramNames and paramIds must be the same length.");
 this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},this.quarkIds_=[]);c=this.rendered;this.rendered=!1;for(var d=0;d<this.arguments_.length;d++){var f=this.getInput("ARG"+d);f&&(f=f.connection.targetConnection,this.quarkConnections_[this.quarkIds_[d]]=f,e&&f&&-1==b.indexOf(this.quarkIds_[d])&&(f.disconnect(),f.getSourceBlock().bumpNeighbours_()))}this.arguments_=[].concat(a);this.argumentVarModels_=[];for(d=0;d<this.arguments_.length;d++)e=Blockly.Variables.getOrCreateVariablePackage(this.workspace,
 null,this.arguments_[d],""),this.argumentVarModels_.push(e);this.updateShape_();if(this.quarkIds_=b)for(d=0;d<this.arguments_.length;d++)e=this.quarkIds_[d],e in this.quarkConnections_&&(f=this.quarkConnections_[e],Blockly.Mutator.reconnect(f,this,"ARG"+d)||delete this.quarkConnections_[e]);(this.rendered=c)&&this.render()}},updateShape_:function(){for(var a=0;a<this.arguments_.length;a++){var b=this.getField("ARGNAME"+a);if(b){Blockly.Events.disable();try{b.setValue(this.arguments_[a])}finally{Blockly.Events.enable()}}else b=
 new Blockly.FieldLabel(this.arguments_[a]),this.appendValueInput("ARG"+a).setAlign(Blockly.ALIGN_RIGHT).appendField(b,"ARGNAME"+a).init()}for(;this.getInput("ARG"+a);)this.removeInput("ARG"+a),a++;if(a=this.getInput("TOPROW"))this.arguments_.length?this.getField("WITH")||(a.appendField(Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS,"WITH"),a.init()):this.getField("WITH")&&a.removeField("WITH")},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("name",this.getProcedureCall());
 for(var b=0;b<this.arguments_.length;b++){var c=document.createElement("arg");c.setAttribute("name",this.arguments_[b]);a.appendChild(c)}return a},domToMutation:function(a){var b=a.getAttribute("name");this.renameProcedure(this.getProcedureCall(),b);b=[];for(var c=[],e=0,d;d=a.childNodes[e];e++)"arg"==d.nodeName.toLowerCase()&&(b.push(d.getAttribute("name")),c.push(d.getAttribute("paramId")));this.setProcedureParameters_(b,c)},getVarModels:function(){return this.argumentVarModels_},onchange:function(a){if(this.workspace&&
-!this.workspace.isFlyout)if(a.type==Blockly.Events.BLOCK_CREATE&&-1!=a.ids.indexOf(this.id)){var b=this.getProcedureCall();b=Blockly.Procedures.getDefinition(b,this.workspace);!b||b.type==this.defType_&&JSON.stringify(b.arguments_)==JSON.stringify(this.arguments_)||(b=null);if(!b){Blockly.Events.setGroup(a.group);a=document.createElement("xml");b=document.createElement("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),e=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",
-c.x+Blockly.SNAP_RADIUS*(this.RTL?-1:1));b.setAttribute("y",e);c=this.mutationToDom();b.appendChild(c);c=document.createElement("field");c.setAttribute("name","NAME");c.appendChild(document.createTextNode(this.getProcedureCall()));b.appendChild(c);a.appendChild(b);Blockly.Xml.domToWorkspace(a,this.workspace);Blockly.Events.setGroup(!1)}}else a.type==Blockly.Events.BLOCK_DELETE&&(b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace),b||(Blockly.Events.setGroup(a.group),this.dispose(!0,
-!1),Blockly.Events.setGroup(!1)))},customContextMenu:function(a){var b={enabled:!0};b.text=Blockly.Msg.PROCEDURES_HIGHLIGHT_DEF;var c=this.getProcedureCall(),e=this.workspace;b.callback=function(){var a=Blockly.Procedures.getDefinition(c,e);a&&(e.centerOnBlock(a.id),a.select())};a.push(b)},defType_:"procedures_defnoreturn"};
-Blockly.Blocks.procedures_callreturn={init:function(){this.appendDummyInput("TOPROW").appendField("","NAME");this.setOutput(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL);this.arguments_=[];this.quarkConnections_={};this.quarkIds_=null},getProcedureCall:Blockly.Blocks.procedures_callnoreturn.getProcedureCall,renameProcedure:Blockly.Blocks.procedures_callnoreturn.renameProcedure,setProcedureParameters_:Blockly.Blocks.procedures_callnoreturn.setProcedureParameters_,
+!this.workspace.isFlyout&&a.recordUndo)if(a.type==Blockly.Events.BLOCK_CREATE&&-1!=a.ids.indexOf(this.id)){var b=this.getProcedureCall();b=Blockly.Procedures.getDefinition(b,this.workspace);!b||b.type==this.defType_&&JSON.stringify(b.arguments_)==JSON.stringify(this.arguments_)||(b=null);if(!b){Blockly.Events.setGroup(a.group);a=document.createElement("xml");b=document.createElement("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),e=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",
+c.x+Blockly.SNAP_RADIUS*(this.RTL?-1:1));b.setAttribute("y",e);c=this.mutationToDom();b.appendChild(c);c=document.createElement("field");c.setAttribute("name","NAME");c.appendChild(document.createTextNode(this.getProcedureCall()));b.appendChild(c);a.appendChild(b);Blockly.Xml.domToWorkspace(a,this.workspace);Blockly.Events.setGroup(!1)}}else a.type==Blockly.Events.BLOCK_DELETE?(b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace),b||(Blockly.Events.setGroup(a.group),this.dispose(!0,
+!1),Blockly.Events.setGroup(!1))):a.type==Blockly.Events.CHANGE&&"disabled"==a.element&&(b=this.getProcedureCall(),(b=Blockly.Procedures.getDefinition(b,this.workspace))&&b.id==a.blockId&&((b=Blockly.Events.getGroup())&&console.log("Saw an existing group while responding to a definition change"),Blockly.Events.setGroup(a.group),a.newValue?(this.previousDisabledState_=this.disabled,this.setDisabled(!0)):this.setDisabled(this.previousDisabledState_),Blockly.Events.setGroup(b)))},customContextMenu:function(a){var b=
+{enabled:!0};b.text=Blockly.Msg.PROCEDURES_HIGHLIGHT_DEF;var c=this.getProcedureCall(),e=this.workspace;b.callback=function(){var a=Blockly.Procedures.getDefinition(c,e);a&&(e.centerOnBlock(a.id),a.select())};a.push(b)},defType_:"procedures_defnoreturn"};
+Blockly.Blocks.procedures_callreturn={init:function(){this.appendDummyInput("TOPROW").appendField("","NAME");this.setOutput(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL);this.arguments_=[];this.quarkConnections_={};this.quarkIds_=null;this.previousDisabledState_=!1},getProcedureCall:Blockly.Blocks.procedures_callnoreturn.getProcedureCall,renameProcedure:Blockly.Blocks.procedures_callnoreturn.renameProcedure,setProcedureParameters_:Blockly.Blocks.procedures_callnoreturn.setProcedureParameters_,
 updateShape_:Blockly.Blocks.procedures_callnoreturn.updateShape_,mutationToDom:Blockly.Blocks.procedures_callnoreturn.mutationToDom,domToMutation:Blockly.Blocks.procedures_callnoreturn.domToMutation,getVarModels:Blockly.Blocks.procedures_callnoreturn.getVarModels,onchange:Blockly.Blocks.procedures_callnoreturn.onchange,customContextMenu:Blockly.Blocks.procedures_callnoreturn.customContextMenu,defType_:"procedures_defreturn"};
 Blockly.Blocks.procedures_ifreturn={init:function(){this.appendValueInput("CONDITION").setCheck("Boolean").appendField(Blockly.Msg.CONTROLS_IF_MSG_IF);this.appendValueInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setInputsInline(!0);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Msg.PROCEDURES_HUE);this.setTooltip(Blockly.Msg.PROCEDURES_IFRETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_IFRETURN_HELPURL);this.hasReturnValue_=!0},mutationToDom:function(){var a=
 document.createElement("mutation");a.setAttribute("value",Number(this.hasReturnValue_));return a},domToMutation:function(a){this.hasReturnValue_=1==a.getAttribute("value");this.hasReturnValue_||(this.removeInput("VALUE"),this.appendDummyInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN))},onchange:function(){if(this.workspace.isDragging&&!this.workspace.isDragging()){var a=!1,b=this;do{if(-1!=this.FUNCTION_TYPES.indexOf(b.type)){a=!0;break}b=b.getSurroundParent()}while(b);a?("procedures_defnoreturn"==
diff --git a/msg/js/ar.js b/msg/js/ar.js
index 64340771c..3f763c080 100644
--- a/msg/js/ar.js
+++ b/msg/js/ar.js
@@ -68,7 +68,7 @@ Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "حذف%1 1 استخدامات ا
 Blockly.Msg["DELETE_X_BLOCKS"] = "احذف %1 قطع";
 Blockly.Msg["DISABLE_BLOCK"] = "عطّل القطعة";
 Blockly.Msg["DUPLICATE_BLOCK"] = "مكرر";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
+Blockly.Msg["DUPLICATE_COMMENT"] = "تعليق مكرر";
 Blockly.Msg["ENABLE_BLOCK"] = "أعد تفعيل القطعة";
 Blockly.Msg["EXPAND_ALL"] = "وسٌّع القطع";
 Blockly.Msg["EXPAND_BLOCK"] = "وسٌّع القطعة";
@@ -144,8 +144,8 @@ Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Li
 Blockly.Msg["LISTS_REPEAT_TITLE"] = "إنشئ قائمة مع العنصر  %1 %2 مرات";
 Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "انشئ قائمة تتألف من القيمة المعطاة متكررة لعدد محدد من المرات.";
 Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
+Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "عكس %1";
+Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "عكس نسخة من القائمة.";
 Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "مثل";
 Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "أدخل في";
@@ -376,9 +376,9 @@ Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "انتظر ادخال المستخدم
 Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "انتظر ادخال المستخدم لنص ما مع اظهار رسالة";
 Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
 Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "بدل %1 ب %2 في %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
+Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "استبدل جميع حالات حدوث بعض النصوص داخل نص آخر.";
 Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
+Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "عكس %1";
 Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "يعكس ترتيب حروف النص";
 Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
 Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "حرف أو كلمة أو سطر من النص.";
@@ -399,7 +399,7 @@ Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/V
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "تعيين هذا المتغير لتكون مساوية للقيمة المدخلة.";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "المتغير '%1' موجود بالفعل";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "متغير بأسم '%1' معرف من نوع اخر : '%2'.";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
+Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "قل شيئا...";
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
 Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
diff --git a/msg/js/eu.js b/msg/js/eu.js
index 7ee23fe3c..4042d8001 100644
--- a/msg/js/eu.js
+++ b/msg/js/eu.js
@@ -10,8 +10,8 @@ Blockly.Msg["ADD_COMMENT"] = "Iruzkina gehitu";
 Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ezin da '%1' aldagaia ezabatu '%2' funtzioaren definizioaren zati delako.";
 Blockly.Msg["CHANGE_VALUE_TITLE"] = "Aldatu balioa:";
 Blockly.Msg["CLEAN_UP"] = "Blokeak garbitu";
-Blockly.Msg["COLLAPSE_ALL"] = "Collapse Blocks";  // untranslated
-Blockly.Msg["COLLAPSE_BLOCK"] = "Collapse Block";  // untranslated
+Blockly.Msg["COLLAPSE_ALL"] = "Blokeak kolapsatu";
+Blockly.Msg["COLLAPSE_BLOCK"] = "Blokea kolapsatu";
 Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1 Kolorea";
 Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2 Kolorea";
 Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";  // untranslated
@@ -32,7 +32,7 @@ Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Sortu kolorea zehaztutako gorriz, berdearek
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "begizta eten";
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "jarraitu hurrengo begizta iterazioarekin";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
+Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Agertzen den begiztatik ihes egin.";
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
 Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
@@ -44,14 +44,14 @@ Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "%1 aldagaiak hasierako zenbakiaren eta am
 Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
 Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
 Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
+Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Gehitu, ezabatu, ala berrantolatu aukeraketak \"ba\" bloke hau berrezartzeko.";
 Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "bestela";
 Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "bestela baldin eta";
 Blockly.Msg["CONTROLS_IF_MSG_IF"] = "baldin eta";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
+Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Balorea egia den bitartean, egin adierazpen batzuk.";
+Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, egin ezazu bigarren adierazpen blokea.";
+Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Lehenengo balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, bigarren balorea egia bada, egin ezazu bigarren adierazpen blokea.";
+Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Lehenengo balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, bigarren balorea egia bada, egin ezazu bigarren adierazpen blokea. Baloreetako bat ere ez bada egia, egin ezazu adierazpenen azkeneko blokea.";
 Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://eu.wikipedia.org/wiki/For_begizta";
 Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "egin";
 Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "errepikatu %1 aldiz";
@@ -64,22 +64,22 @@ Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Balorea egia den bitartean,
 Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ezabatu %1 blokeak?";
 Blockly.Msg["DELETE_BLOCK"] = "Ezabatu blokea";
 Blockly.Msg["DELETE_VARIABLE"] = "%1 parametro izena ezabatu.";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
+Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Ezabatu %2 aldagaiaren %1 erabilerak?";
 Blockly.Msg["DELETE_X_BLOCKS"] = "Ezabatu %1 bloke";
 Blockly.Msg["DISABLE_BLOCK"] = "Ezgaitu blokea";
 Blockly.Msg["DUPLICATE_BLOCK"] = "Bikoiztu";
 Blockly.Msg["DUPLICATE_COMMENT"] = "Iruzkina bikoiztu";
 Blockly.Msg["ENABLE_BLOCK"] = "Gaitu blokea";
-Blockly.Msg["EXPAND_ALL"] = "Expand Blocks";  // untranslated
-Blockly.Msg["EXPAND_BLOCK"] = "Expand Block";  // untranslated
+Blockly.Msg["EXPAND_ALL"] = "Blokeak Hedatu";
+Blockly.Msg["EXPAND_BLOCK"] = "Blokea Hedatu";
 Blockly.Msg["EXTERNAL_INPUTS"] = "Kanpoko sarrerak";
 Blockly.Msg["HELP"] = "Laguntza";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";  // untranslated
+Blockly.Msg["INLINE_INPUTS"] = "Inpuntak Linean";
 Blockly.Msg["IOS_CANCEL"] = "Utzi";
 Blockly.Msg["IOS_ERROR"] = "Errorea";
 Blockly.Msg["IOS_OK"] = "Ados";
 Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Gehitu sarrera";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
+Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Adierazpenak baimendu";
 Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Funtzio honek errepikatutako sarrerak ditu.";
 Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "SARRERAK";
 Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Gehitu";
@@ -94,30 +94,30 @@ Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Zerrenda bat itzultzen du, 0 luzera
 Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "zerrenda";
 Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
 Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
+Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "Zerrenda sortu hurrengoarekin";
 Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
 Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
 Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "lehena";
 Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
 Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
+Blockly.Msg["LISTS_GET_INDEX_GET"] = "lortu";
+Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "lortu eta kendu";
 Blockly.Msg["LISTS_GET_INDEX_LAST"] = "azkena";
 Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ausazkoa";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
+Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "kendu";
 Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Lehenengo artikulua zerrendara bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Artikulua zerrendako posizio zehatz batera bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Azken artikulua zerrendara bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Artikulu aleatorioa zerrendara bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Lehenengo artikulua zerrendako posizio zehatz batera kentzen eta bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Artikulua zerrendako posizio zehatz batera kentzen eta bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Zerrendako azken artikulua kentzen eta bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Artikulu aleatorio bat zerrendatik kentzen eta bueltatzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Lehenengo artikulua zerrendatik kentzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Artikulua zerrendako posizio zehatz batetik kentzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Azken artikulua zerrendatik kentzen du.";
+Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Artikulu aleatorioa zerrendatik kentzen du.";
 Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
 Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
 Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
@@ -127,8 +127,8 @@ Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end"
 Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
 Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
 Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
+Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 azken artikulua da.";
+Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 lehenengo artikulua da.";
 Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
 Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
 Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
@@ -147,7 +147,7 @@ Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/L
 Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
 Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
+Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "honela";
 Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_SET"] = "ezarri";
 Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
@@ -184,7 +184,7 @@ Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is sma
 Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
 Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
 Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";  // untranslated
+Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ez %1";
 Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
 Blockly.Msg["LOGIC_NULL"] = "nulu";
 Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
@@ -207,8 +207,8 @@ Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Bi zenbakien kendura ematen du."
 Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Bi zenbakien biderkadura ematen du.";
 Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
 Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
+Blockly.Msg["MATH_CHANGE_TITLE"] = "aldatu %1 %2(e)ra";
+Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Gehitu zenbakia '%1' aldagaiari.";
 Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
 Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Konstante ohikoenetako bat itzultzen du: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), edo ∞ (infinitua).";
 Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
@@ -223,8 +223,8 @@ Blockly.Msg["MATH_IS_POSITIVE"] = "positiboa da";
 Blockly.Msg["MATH_IS_PRIME"] = "zenbaki lehena da";
 Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
 Blockly.Msg["MATH_IS_WHOLE"] = "zenbaki osoa da";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
+Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
+Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2(r)en oroigarria";
 Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
 Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
 Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://eu.wikipedia.org/wiki/Zenbaki";
@@ -235,20 +235,20 @@ Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "zerrendako maximoa";
 Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "zerrendako mediana";
 Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "zerrendako minimoa";
 Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "zerrendako modak";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
+Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "zerrendako artikulu aleatorioa";
+Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "zerrendako deribazio estandarra";
 Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "zerrendaren batura";
 Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Zerrendako zenbakizko balioen batazbestekoa (aritmetikoa) itzultzen du.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
+Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Eman zerrendako zenbakirik handiena.";
+Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Eman zerrendako zenbaki media.";
+Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Eman zerrendako zenbakirik txikiena.";
+Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Bueltatu artikulurik ohikoenetarikoen zerrenda.";
+Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Itzuli zerrendako elementu aleatorioa.";
 Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
 Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Eman zerrendako zenbaki guztien batura.";
 Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
 Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
+Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "zatiki aleatorioa";
 Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
 Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
 Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
@@ -259,7 +259,7 @@ Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "gutxiagoz biribildu";
 Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "gehiagoz biribildu";
 Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zenbaki bat gehiagoz edo gutxiagoz biribildu.";
 Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://eu.wikipedia.org/wiki/Erro_karratu";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
+Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolutua";
 Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "erro karratua";
 Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Zenbaki baten balio absolutua ematen du.";
 Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
@@ -284,19 +284,19 @@ Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian)
 Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
 Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Kolore aldagaia sortu...";
 Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Zenbaki aldagaia sortu...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
+Blockly.Msg["NEW_STRING_VARIABLE"] = "Kate aldakorra sortu...";
 Blockly.Msg["NEW_VARIABLE"] = "Aldagaia sortu...";
 Blockly.Msg["NEW_VARIABLE_TITLE"] = "Aldagai berriaren izena:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
+Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Aldagai berriaren izena:";
 Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
 Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
 Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "honekin";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
+Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Azpierrutina";
 Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
+Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Azpierrutina";
 Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
 Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "honekin";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
+Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' sortu";
 Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
 Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
 Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
@@ -306,10 +306,10 @@ Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no outp
 Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
 Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "itzuli";
 Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
+Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Abisua: Funtzio honek parametro bikoiztuak dauzka.";
 Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
 Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
+Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Balioa egiazkoa bada, orduan itzuli bigarren baliora.";
 Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
 Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "sarreraren izena:";
 Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
@@ -332,16 +332,16 @@ Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hartu # letra bukaeratik";
 Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hartu # letra";
 Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
 Blockly.Msg["TEXT_CHARAT_LAST"] = "hartu azkenengo letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
+Blockly.Msg["TEXT_CHARAT_RANDOM"] = "letra aleatorioa lortu";
 Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
 Blockly.Msg["TEXT_CHARAT_TITLE"] = "testuan %1 %2";
 Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
 Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
 Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
 Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
+Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Gehitu artikulu bat testura.";
 Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "elkartu";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
+Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Gehitu, ezabatu, ala berrantolatu aukeraketak testu bloke hau berrezartzeko.";
 Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
 Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
 Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
@@ -361,10 +361,10 @@ Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Te
 Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 hutsik dago";
 Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
 Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
+Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "Testua sortu hurrengoarekin";
 Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
 Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
+Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1(r)en luzeera";
 Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
 Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
 Blockly.Msg["TEXT_PRINT_TITLE"] = "inprimatu %1";
@@ -378,10 +378,10 @@ Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Te
 Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
 Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
 Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
+Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1(e)ri buelta eman";
 Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
+Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
+Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Letra bat, hitza edo testuko lerroa.";
 Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
 Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
 Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
@@ -399,7 +399,7 @@ Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/V
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
 Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "%1 parametro izena dagoeneko existitzen da";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "%1 izeneko aldagaia dagoeneko existitzen da %2 motako beste aldagai batekin.";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
+Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Esan zerbait...";
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
 Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
diff --git a/msg/js/ia.js b/msg/js/ia.js
index 7a8953e44..92ff7d1e7 100644
--- a/msg/js/ia.js
+++ b/msg/js/ia.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.ia');
 goog.require('Blockly.Msg');
 
 Blockly.Msg["ADD_COMMENT"] = "Adder commento";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
+Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Impossibile deler le variabile '%1' perque illo face parte del definition del function '%2'";
 Blockly.Msg["CHANGE_VALUE_TITLE"] = "Cambiar valor:";
 Blockly.Msg["CLEAN_UP"] = "Rangiar le blocos";
 Blockly.Msg["COLLAPSE_ALL"] = "Plicar blocos";
@@ -63,12 +63,12 @@ Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Durante que un valor es fals
 Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Durante que un valor es ver, exequer certe instructiones.";
 Blockly.Msg["DELETE_ALL_BLOCKS"] = "Deler tote le %1 blocos?";
 Blockly.Msg["DELETE_BLOCK"] = "Deler bloco";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
+Blockly.Msg["DELETE_VARIABLE"] = "Deler le variabile '%1'";
+Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Deler %1 usos del variabile '%2'?";
 Blockly.Msg["DELETE_X_BLOCKS"] = "Deler %1 blocos";
 Blockly.Msg["DISABLE_BLOCK"] = "Disactivar bloco";
 Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
+Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicar commento";
 Blockly.Msg["ENABLE_BLOCK"] = "Activar bloco";
 Blockly.Msg["EXPAND_ALL"] = "Displicar blocos";
 Blockly.Msg["EXPAND_BLOCK"] = "Displicar bloco";
@@ -78,16 +78,16 @@ Blockly.Msg["INLINE_INPUTS"] = "Entrata interne";
 Blockly.Msg["IOS_CANCEL"] = "Cancellar";
 Blockly.Msg["IOS_ERROR"] = "Error";
 Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
+Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Adder entrata";
+Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitter declarationes";
+Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Iste function ha entratas duplicate.";
+Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRATAS";
+Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Adder";
+Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Adder variabile";
+Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Deler";
+Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Non es possibile usar un nomine de variabile vacue.";
+Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renominar";
+Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nomine del variabile";
 Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crear un lista vacue";
 Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Retorna un lista, de longitude 0, sin datos.";
@@ -144,8 +144,8 @@ Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Li
 Blockly.Msg["LISTS_REPEAT_TITLE"] = "crear lista con elemento %1 repetite %2 vices";
 Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crea un lista que contine le valor fornite, repetite le numero specificate de vices.";
 Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
+Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverter %1";
+Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverter un copia de un lista.";
 Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "a";
 Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserer in";
@@ -176,7 +176,7 @@ Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
 Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
 Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Retorna o ver o false.";
 Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ver";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
+Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ia.wikipedia.org/wiki/Inequalitate_(mathematica)";
 Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Retornar ver si le duo entratas es equal.";
 Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Retornar ver si le prime entrata es major que le secunde.";
 Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Retornar ver si le prime entrata es major que o equal al secunde.";
@@ -209,7 +209,7 @@ Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retornar le prime numero elevate
 Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
 Blockly.Msg["MATH_CHANGE_TITLE"] = "cambiar %1 per %2";
 Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Adder un numero al variabile '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
+Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ia.wikipedia.org/wiki/Constante_mathematic";
 Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retornar un del constantes commun: π (3,141…), e (2,718…), φ (1,618…), sqrt(2) (1,414…), sqrt(½) (0,707…) o ∞ (infinite).";
 Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
 Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limitar %1 inter %2 e %3";
@@ -282,12 +282,12 @@ Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retornar le arcotangente de un numero."
 Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retornar le cosino de un grado (non radiano).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retornar le sino de un grado (non radiano).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retornar le tangente de un grado (non radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
+Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crear variabile de color...";
+Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crear variabile numeric...";
+Blockly.Msg["NEW_STRING_VARIABLE"] = "Crear variabile textual...";
 Blockly.Msg["NEW_VARIABLE"] = "Crear variabile...";
 Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nomine del nove variabile:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
+Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nove typo de variabile:";
 Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
 Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permitter declarationes";
 Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
@@ -334,11 +334,11 @@ Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Tex
 Blockly.Msg["TEXT_CHARAT_LAST"] = "prender le ultime littera";
 Blockly.Msg["TEXT_CHARAT_RANDOM"] = "prender un littera aleatori";
 Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
+Blockly.Msg["TEXT_CHARAT_TITLE"] = "in le texto %1 %2";
 Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Retorna le littera presente al position specificate.";
 Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
+Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "contar %1 in %2";
+Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Contar quante vices un texto occurre intra un altere texto.";
 Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Adder un elemento al texto.";
 Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
 Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Adde, remove o reordina sectiones pro reconfigurar iste bloco de texto.";
@@ -375,11 +375,11 @@ Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Peter un texto al usator.";
 Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "peter un numero con le message";
 Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "peter un texto con le message";
 Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
+Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "reimplaciar %1 per %2 in %3";
+Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Reimplaciar tote le occurrentias de un texto intra un altere texto.";
 Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
+Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverter %1";
+Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverte le ordine del characteres in le texto.";
 Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
 Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Un littera, parola o linea de texto.";
 Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
@@ -397,9 +397,9 @@ Blockly.Msg["VARIABLES_SET"] = "mitter %1 a %2";
 Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crear 'prender %1'";
 Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Mitte iste variabile al valor del entrata.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variabile named '%1' already exists.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
+Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Un variabile con le nomine '%1' jam existe.";
+Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Un variabile con le nomine '%1' jam existe pro un altere typo: '%2'.";
+Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Dice qualcosa...";
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
 Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
diff --git a/msg/js/ja.js b/msg/js/ja.js
index fc200f94a..dc3eb35fb 100644
--- a/msg/js/ja.js
+++ b/msg/js/ja.js
@@ -68,7 +68,7 @@ Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1か所で使われている変
 Blockly.Msg["DELETE_X_BLOCKS"] = "%1 個のブロックを削除";
 Blockly.Msg["DISABLE_BLOCK"] = "ブロックを無効にする";
 Blockly.Msg["DUPLICATE_BLOCK"] = "複製";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
+Blockly.Msg["DUPLICATE_COMMENT"] = "コメントを複製";
 Blockly.Msg["ENABLE_BLOCK"] = "ブロックを有効にする";
 Blockly.Msg["EXPAND_ALL"] = "ブロックを展開する";
 Blockly.Msg["EXPAND_BLOCK"] = "ブロックを展開する";
@@ -399,7 +399,7 @@ Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/V
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "この入力を変数と等しくなるように設定します。";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "変数名 '%1' は既に存在しています。";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%2' 型の '%1' という名前の変数が既に存在します。";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
+Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "ここへ入力";
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
 Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
diff --git a/msg/js/ko.js b/msg/js/ko.js
index d5eadee4d..ab0143141 100644
--- a/msg/js/ko.js
+++ b/msg/js/ko.js
@@ -142,7 +142,7 @@ Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1의 길이";
 Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "목록의 길이를 반환합니다.";
 Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
 Blockly.Msg["LISTS_REPEAT_TITLE"] = "%1을 %2번 넣어, 리스트 생성";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "원하는 값을, 원하는 갯수 만큼 넣어, 목록을 생성합니다.";
+Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "지정된 값을, 지정된 개수 만큼 넣어, 목록을 생성합니다.";
 Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
 Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
 Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
diff --git a/msg/js/nl.js b/msg/js/nl.js
index 98c0e6f5e..9379478cd 100644
--- a/msg/js/nl.js
+++ b/msg/js/nl.js
@@ -6,7 +6,7 @@ goog.provide('Blockly.Msg.nl');
 
 goog.require('Blockly.Msg');
 
-Blockly.Msg["ADD_COMMENT"] = "Reactie toevoegen";
+Blockly.Msg["ADD_COMMENT"] = "Opmerking toevoegen";
 Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "De variabele \"%1\" kan niet verwijderd worden omdat die onderdeel uitmaakt van de definitie van de functie \"%2\"";
 Blockly.Msg["CHANGE_VALUE_TITLE"] = "Waarde wijzigen:";
 Blockly.Msg["CLEAN_UP"] = "Blokken opschonen";
@@ -68,7 +68,7 @@ Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1 gebruiken van de variabele \"%
 Blockly.Msg["DELETE_X_BLOCKS"] = "%1 blokken verwijderen";
 Blockly.Msg["DISABLE_BLOCK"] = "Blok uitschakelen";
 Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicaat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicaat Commentaar";
+Blockly.Msg["DUPLICATE_COMMENT"] = "Opmerking dupliceren";
 Blockly.Msg["ENABLE_BLOCK"] = "Blok inschakelen";
 Blockly.Msg["EXPAND_ALL"] = "Blokken uitvouwen";
 Blockly.Msg["EXPAND_BLOCK"] = "Blok uitvouwen";
diff --git a/msg/js/pt.js b/msg/js/pt.js
index 1da915b3d..665b0aa60 100644
--- a/msg/js/pt.js
+++ b/msg/js/pt.js
@@ -378,7 +378,7 @@ Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Te
 Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "substituir %1 por %2 em %3";
 Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Substituir todas as ocorrências de um certo texto dentro de algum outro texto.";
 Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";
+Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverter %1";
 Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverte a ordem dos caracteres no texto.";
 Blockly.Msg["TEXT_TEXT_HELPURL"] = "http://pt.wikipedia.org/wiki/Cadeia_de_caracteres";
 Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Uma letra, palavra ou linha de texto.";
diff --git a/msg/js/sr.js b/msg/js/sr.js
index bfb913739..355a8173b 100644
--- a/msg/js/sr.js
+++ b/msg/js/sr.js
@@ -7,9 +7,9 @@ goog.provide('Blockly.Msg.sr');
 goog.require('Blockly.Msg');
 
 Blockly.Msg["ADD_COMMENT"] = "Додај коментар";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Не могу да обришем варијаблу ’%1’ јер је део дефиниције функције ’%2’";
+Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Не могу да избришем променљиву ’%1’ јер је део дефиниције функције ’%2’";
 Blockly.Msg["CHANGE_VALUE_TITLE"] = "Промени вредност:";
-Blockly.Msg["CLEAN_UP"] = "Уклони блокове";
+Blockly.Msg["CLEAN_UP"] = "Очисти блокове";
 Blockly.Msg["COLLAPSE_ALL"] = "Скупи блокове";
 Blockly.Msg["COLLAPSE_BLOCK"] = "Скупи блок";
 Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "боја 1";
@@ -17,12 +17,12 @@ Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "боја 2";
 Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
 Blockly.Msg["COLOUR_BLEND_RATIO"] = "однос";
 Blockly.Msg["COLOUR_BLEND_TITLE"] = "помешај";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Помешати две боје заједно са датим односом (0.0 - 1.0).";
+Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Меша две боје заједно са датим односом (0.0 - 1.0).";
 Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://sr.wikipedia.org/wiki/Боја";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Изаберите боју са палете.";
+Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Одаберите боју са палете.";
 Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
 Blockly.Msg["COLOUR_RANDOM_TITLE"] = "случајна боја";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Изаберите боју насумице.";
+Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Одаберите боју насумично.";
 Blockly.Msg["COLOUR_RGB_BLUE"] = "плава";
 Blockly.Msg["COLOUR_RGB_GREEN"] = "зелена";
 Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
@@ -54,40 +54,40 @@ Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ако је прва вредност т
 Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ако је прва вредност тачна, онда изврши први блок наредби, у супротном, ако је друга вредност тачна , изврши други блок наредби. Ако ни једна од вредности није тачна, изврши последнји блок наредби.";
 Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://sr.wikipedia.org/wiki/For_петља";
 Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "изврши";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "понови %1 пута";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Одрадити неке наредбе неколико пута.";
+Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "понови пута: %1";
+Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Изврши неке наредбе неколико пута.";
 Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
 Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "понављати до";
 Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "понављати док";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Док вредност није тачна, онда извршити неке наредбе.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Док је вредност тачна, онда извршите неке наредбе.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Да обришем свих %1 блокова?";
-Blockly.Msg["DELETE_BLOCK"] = "Обриши блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Обриши променљиву '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Да обришем %1 употреба променљиве '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Обриши %1 блокова";
+Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Док је вредност нетачна, извршава неке наредбе.";
+Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Док је вредност тачна, извршава неке наредбе.";
+Blockly.Msg["DELETE_ALL_BLOCKS"] = "Да избришем све блокове: %1?";
+Blockly.Msg["DELETE_BLOCK"] = "Избриши блок";
+Blockly.Msg["DELETE_VARIABLE"] = "Избриши променљиву ’%1’";
+Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Да избришем %1 употреба променљиве ’%2’?";
+Blockly.Msg["DELETE_X_BLOCKS"] = "Избриши %1 блокова";
 Blockly.Msg["DISABLE_BLOCK"] = "Онемогући блок";
 Blockly.Msg["DUPLICATE_BLOCK"] = "Дуплирај";
 Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
 Blockly.Msg["ENABLE_BLOCK"] = "Омогући блок";
 Blockly.Msg["EXPAND_ALL"] = "Прошири блокове";
 Blockly.Msg["EXPAND_BLOCK"] = "Прошири блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Спољни улази";
+Blockly.Msg["EXTERNAL_INPUTS"] = "Спољашњи улази";
 Blockly.Msg["HELP"] = "Помоћ";
-Blockly.Msg["INLINE_INPUTS"] = "Унутрашњи улази";
+Blockly.Msg["INLINE_INPUTS"] = "Редни улази";
 Blockly.Msg["IOS_CANCEL"] = "Откажи";
 Blockly.Msg["IOS_ERROR"] = "Грешка";
 Blockly.Msg["IOS_OK"] = "У реду";
 Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Додај унос";
 Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дозволи изјаве";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ова функција има дуплициране уносе.";
+Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ова функција има дуплиране уносе.";
 Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "УНОСИ";
 Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Додај";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Додај варијаблу";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Обриши";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Не можете да користите празно име варијабле.";
+Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Додај променљиву";
+Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Избриши";
+Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Не можете да користите празно име променљиве.";
 Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Преименуј";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Име варијабле";
+Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Име променљиве";
 Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "направи празан списак";
 Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "враћа листу, дужине 0, не садржавајући  евиденцију података";
@@ -227,8 +227,8 @@ Blockly.Msg["MATH_MODULO_HELPURL"] = "https://sr.wikipedia.org/wiki/Конгру
 Blockly.Msg["MATH_MODULO_TITLE"] = "подсетник од %1 ÷ %2";
 Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Враћа подсетник од дељења два броја.";
 Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Неки број.";
+Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://sr.wikipedia.org/wiki/Број";
+Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Број.";
 Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
 Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "просек списка";
 Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "макс. списка";
@@ -282,12 +282,12 @@ Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Враћа аркус тангенс б
 Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Враћа косинус степена (не радијан).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Враћа синус степена (не радијан).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Враћа тангенс степена (не радијан).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Направи варијаблу боје...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Направи бројевну бројевну...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Направи стринг варијаблу...";
+Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Направи променљиву боје...";
+Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Направи променљиву броја...";
+Blockly.Msg["NEW_STRING_VARIABLE"] = "Направи променљиву ниске...";
 Blockly.Msg["NEW_VARIABLE"] = "Направи променљиву…";
 Blockly.Msg["NEW_VARIABLE_TITLE"] = "Име нове променљиве:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Нови тип варијабле:";
+Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Нови тип променљиве:";
 Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
 Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дозволити изреке";
 Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "са:";
@@ -318,7 +318,7 @@ Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Да додате, укл
 Blockly.Msg["REDO"] = "Понови";
 Blockly.Msg["REMOVE_COMMENT"] = "Уклони коментар";
 Blockly.Msg["RENAME_VARIABLE"] = "Преименуј променљиву…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Преименуј све „%1“ променљиве у:";
+Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Преименуј све ’%1’ променљиве у:";
 Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
 Blockly.Msg["TEXT_APPEND_TITLE"] = "на %1 додај текст %2";
 Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Додајте текст на променљиву „%1“.";
@@ -397,8 +397,8 @@ Blockly.Msg["VARIABLES_SET"] = "постави %1 у %2";
 Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Направи „преузми %1“";
 Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Поставља променљиву тако да буде једнака улазу.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Променљива под именом '%1' већ постоји.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Варијабла по имену '%1' већ постоји за други тип: '%2'.";
+Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Променљива под именом ’%1’ већ постоји.";
+Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Променљива под именом ’%1’ већ постоји за други тип: ’%2’.";
 Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
diff --git a/msg/js/vi.js b/msg/js/vi.js
index 24cb17abe..1e4a7a302 100644
--- a/msg/js/vi.js
+++ b/msg/js/vi.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.vi');
 goog.require('Blockly.Msg');
 
 Blockly.Msg["ADD_COMMENT"] = "Thêm Chú Giải";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
+Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Không thể xóa giá trị '%1' vì nó được bao gồm trong định nghĩa của chức năng '%2'";
 Blockly.Msg["CHANGE_VALUE_TITLE"] = "Thay giá trị thành:";
 Blockly.Msg["CLEAN_UP"] = "Sắp xếp lại các khối";
 Blockly.Msg["COLLAPSE_ALL"] = "Thu Nhỏ Mọi Mảnh";
@@ -40,7 +40,7 @@ Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "với mỗi thành phần %1 trong danh
 Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Trong một danh sách, lấy từng thành phần, gán vào biến \"%1\", rồi thực hiện một số lệnh.";
 Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
 Blockly.Msg["CONTROLS_FOR_TITLE"] = "đếm theo %1 từ %2 đến %3 mỗi lần thêm %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Đếm từ số đầu đến số cuối. Khi đến mỗi số, gán số vào biến \"%1\" rồi thực hiện các lệnh.";
+Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Cho biến '%1' lấy các giá trị từ số bắt đầu đến số kết thúc, đếm theo khoảng thời gian đã chỉ định và thực hiện các khối được chỉ định.";
 Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Thêm một điều kiện vào mảnh nếu.";
 Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Cuối cùng, khi không điều kiện nào đúng.";
 Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
@@ -63,8 +63,8 @@ Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Miễn là điều kiện c
 Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Miễn là điều kiện còn đúng, thì thực hiện các lệnh.";
 Blockly.Msg["DELETE_ALL_BLOCKS"] = "Xóa hết %1 mảnh?";
 Blockly.Msg["DELETE_BLOCK"] = "Xóa Mảnh Này";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
+Blockly.Msg["DELETE_VARIABLE"] = "Xóa giá trị '%1'";
+Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Xóa %1 lần dùng của giá trị '%2'?";
 Blockly.Msg["DELETE_X_BLOCKS"] = "Xóa %1 Mảnh";
 Blockly.Msg["DISABLE_BLOCK"] = "Ngưng Tác Dụng";
 Blockly.Msg["DUPLICATE_BLOCK"] = "Tạo Bản Sao";
@@ -78,10 +78,10 @@ Blockly.Msg["INLINE_INPUTS"] = "Chỗ Gắn Cùng Dòng";
 Blockly.Msg["IOS_CANCEL"] = "Hủy bỏ";
 Blockly.Msg["IOS_ERROR"] = "Lỗi";
 Blockly.Msg["IOS_OK"] = "Đồng ý";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
+Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Thêm đầu vào";
+Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Cho phép báo cáo";
 Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Hàm này có chứa các input trùng nhau.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
+Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "NHẬP VÀO";
 Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Thêm";
 Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Thêm biến";
 Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Xóa";
@@ -145,7 +145,7 @@ Blockly.Msg["LISTS_REPEAT_TITLE"] = "tạo danh sách gồm một vật %1 lặp
 Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Tạo danh sách gồm một số lượng vật nhất định với mỗi vật đều giống nhau.";
 Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
 Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "đảo ngược %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
+Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Đảo ngược bản sao chép của một danh sách.";
 Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "giá trị";
 Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "chèn vào vị trí";
@@ -158,18 +158,18 @@ Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Đặt giá trị của thà
 Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Đặt giá trị của thành tố ở vị trí ấn định trong một danh sách.";
 Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Đặt giá trị của thành tố cuối cùng trong danh sách.";
 Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Đặt giá trị của thành tố ngẫu nhiên trong danh sách.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
+Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
 Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "tăng dần";
 Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "giảm dần";
 Blockly.Msg["LISTS_SORT_TITLE"] = "sắp xếp %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
+Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sắp xếp một bản sao của một danh sách.";
 Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "chữ cái, không phân biệt hoa/thường";
 Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "số";
 Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "chữ cái";
 Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
 Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "tạo danh sách từ văn bản";
 Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "tạo văn bản từ danh sách";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Liên kết một danh sách các văn bản vào một văn bản, cách nhau bằng dấu phân cách.";
 Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Tách văn bản thành một danh sách các văn bản nhỏ, ngắt bởi các ký tự phân cách.";
 Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "với ký tự phân cách";
 Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "sai";
@@ -282,12 +282,12 @@ Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Hoàn trả Arctang của một góc (t
 Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Hoàn trả Cos của một góc (theo độ).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Hoàn trả Sin của một góc (theo độ).";
 Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Hoàn trả Tang của một góc (theo độ).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
+Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Tạo một giá trị màu sắc...";
+Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Tạo một giá trị số...";
+Blockly.Msg["NEW_STRING_VARIABLE"] = "Tạo một giá trị dạng chuỗi...";
 Blockly.Msg["NEW_VARIABLE"] = "Tạo biến...";
 Blockly.Msg["NEW_VARIABLE_TITLE"] = "Tên của biến mới:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
+Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Kiểu giá trị mới:";
 Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
 Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "cho phép báo cáo";
 Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "với:";
@@ -376,7 +376,7 @@ Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Xin người dùng nhập vào con s
 Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Xin người dùng nhập vào văn bản với dòng hướng dẫn";
 Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
 Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "thay thế %1 bằng %2 trong %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
+Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Thay thế tất cả các lần xuất hiện của văn bản bằng văn bản khác.";
 Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
 Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "đảo ngược %1";
 Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Đảo ngược thứ tự của các chữ cái trong văn bản.";
@@ -398,7 +398,7 @@ Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Tạo mảnh \"lấy %1\"";
 Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Đặt giá trị của biến này thành...";
 Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Một biến có tên '%1' đã tồn tại.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
+Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Giá trị '%1' đã tồn tại dưới dạng: '%2'.";
 Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Hãy nói gì đó...";
 Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
 Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];