diff --git a/blockly_compressed.js b/blockly_compressed.js
index 0ed3d3880..4ab110990 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -22,10 +22,10 @@ return!0},goog.maybeProcessDeferredPath_=function(a){if(a in goog.dependencies_.
 a;c.defer=!1;c.async=!1;b.head.appendChild(c)},goog.writeScriptTag_=function(a,b){if(goog.inHtmlDocument_()){var c=goog.global.document;if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&"complete"==c.readyState){if(/\bdeps.js$/.test(a))return!1;throw Error('Cannot write "'+a+'" after document load');}if(void 0===b)if(goog.IS_OLD_IE_){goog.oldIeWaiting_=!0;var d=" onreadystatechange='goog.onScriptLoad_(this, "+ ++goog.lastNonModuleScriptIndex_+")' ";c.write('<script type="text/javascript" src="'+a+'"'+
 d+">\x3c/script>")}else goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING?goog.appendScriptSrcNode_(a):goog.writeScriptSrcNode_(a);else c.write('<script type="text/javascript">'+goog.protectScriptTag_(b)+"\x3c/script>");return!0}return!1},goog.protectScriptTag_=function(a){return a.replace(/<\/(SCRIPT)/ig,"\\x3c/$1")},goog.needsTranspile_=function(a){if("always"==goog.TRANSPILE)return!0;if("never"==goog.TRANSPILE)return!1;goog.requiresTranspilation_||(goog.requiresTranspilation_=goog.createRequiresTranspilation_());
 if(a in goog.requiresTranspilation_)return goog.requiresTranspilation_[a];throw Error("Unknown language mode: "+a);},goog.requiresTranspilation_=null,goog.lastNonModuleScriptIndex_=0,goog.onScriptLoad_=function(a,b){"complete"==a.readyState&&goog.lastNonModuleScriptIndex_==b&&goog.loadQueuedModules_();return!0},goog.writeScripts_=function(a){function b(a){if(!(a in e.written||a in e.visited)){e.visited[a]=!0;if(a in e.requires)for(var f in e.requires[a])if(!goog.isProvided_(f))if(f in e.nameToPath)b(e.nameToPath[f]);
-else throw Error("Undefined nameToPath for "+f);a in d||(d[a]=!0,c.push(a))}}var c=[],d={},e=goog.dependencies_;b(a);for(a=0;a<c.length;a++){var f=c[a];goog.dependencies_.written[f]=!0}var g=goog.moduleLoaderState_;goog.moduleLoaderState_=null;for(a=0;a<c.length;a++)if(f=c[a]){var h=e.loadFlags[f]||{},k=goog.needsTranspile_(h.lang||"es3");"goog"==h.module||k?goog.importProcessedScript_(goog.basePath+f,"goog"==h.module,k):goog.importScript_(goog.basePath+f)}else throw goog.moduleLoaderState_=g,Error("Undefined script input");
-goog.moduleLoaderState_=g},goog.getPathFromDeps_=function(a){return a in goog.dependencies_.nameToPath?goog.dependencies_.nameToPath[a]:null},goog.findBasePath_(),goog.global.CLOSURE_NO_DEPS||goog.importScript_(goog.basePath+"deps.js"));goog.hasBadLetScoping=null;goog.useSafari10Workaround=function(){if(null==goog.hasBadLetScoping){var a;try{a=!eval('"use strict";let x = 1; function f() { return typeof x; };f() == "number";')}catch(b){a=!1}goog.hasBadLetScoping=a}return goog.hasBadLetScoping};
+else throw Error("Undefined nameToPath for "+f);a in d||(d[a]=!0,c.push(a))}}var c=[],d={},e=goog.dependencies_;b(a);for(var f=0;f<c.length;f++)a=c[f],goog.dependencies_.written[a]=!0;var g=goog.moduleLoaderState_;goog.moduleLoaderState_=null;for(f=0;f<c.length;f++)if(a=c[f]){var h=e.loadFlags[a]||{},k=goog.needsTranspile_(h.lang||"es3");"goog"==h.module||k?goog.importProcessedScript_(goog.basePath+a,"goog"==h.module,k):goog.importScript_(goog.basePath+a)}else throw goog.moduleLoaderState_=g,Error("Undefined script input");
+goog.moduleLoaderState_=g},goog.getPathFromDeps_=function(a){return a in goog.dependencies_.nameToPath?goog.dependencies_.nameToPath[a]:null},goog.findBasePath_(),goog.global.CLOSURE_NO_DEPS||goog.importScript_(goog.basePath+"deps.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:void 0,declareLegacyNamespace:!1};var c;if(goog.isFunction(a))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)throw Error('Invalid module name "'+d+'"');goog.moduleLoaderState_.declareLegacyNamespace?
+goog.loadModule=function(a){var b=goog.moduleLoaderState_;try{goog.moduleLoaderState_={moduleName:void 0,declareLegacyNamespace:!1};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)throw Error('Invalid module name "'+d+'"');goog.moduleLoaderState_.declareLegacyNamespace?
 goog.constructNamespace_(d,c):goog.SEAL_MODULE_EXPORTS&&Object.seal&&"object"==typeof c&&null!=c&&Object.seal(c);goog.loadedModules_[d]=c}finally{goog.moduleLoaderState_=b}};goog.loadModuleFromSource_=function(a){eval(a);return{}};goog.normalizePath_=function(a){a=a.split("/");for(var b=0;b<a.length;)"."==a[b]?a.splice(b,1):b&&".."==a[b]&&a[b-1]&&".."!=a[b-1]?a.splice(--b,2):b++;return a.join("/")};
 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.retrieveAndExec_=function(a,b,c){if(!COMPILED){var d=a;a=goog.normalizePath_(a);var e=goog.global.CLOSURE_IMPORT_SCRIPT||goog.writeScriptTag_,f=goog.loadFileSync_(a);if(null==f)throw Error('Load of "'+a+'" failed');c&&(f=goog.transpile_.call(goog.global,f,a));f=b?goog.wrapModule_(a,f):f+("\n//# sourceURL="+a);goog.IS_OLD_IE_&&goog.oldIeWaiting_?(goog.dependencies_.deferred[d]=f,goog.queuedModules_.push(d)):e(a,f)}};
@@ -60,22 +60,22 @@ goog.string.htmlEscape=function(a,b){if(b)a=a.replace(goog.string.AMP_RE_,"&amp;
 "&lt;"));-1!=a.indexOf(">")&&(a=a.replace(goog.string.GT_RE_,"&gt;"));-1!=a.indexOf('"')&&(a=a.replace(goog.string.QUOT_RE_,"&quot;"));-1!=a.indexOf("'")&&(a=a.replace(goog.string.SINGLE_QUOTE_RE_,"&#39;"));-1!=a.indexOf("\x00")&&(a=a.replace(goog.string.NULL_RE_,"&#0;"));goog.string.DETECT_DOUBLE_ESCAPING&&-1!=a.indexOf("e")&&(a=a.replace(goog.string.E_RE_,"&#101;"))}return a};goog.string.AMP_RE_=/&/g;goog.string.LT_RE_=/</g;goog.string.GT_RE_=/>/g;goog.string.QUOT_RE_=/"/g;
 goog.string.SINGLE_QUOTE_RE_=/'/g;goog.string.NULL_RE_=/\x00/g;goog.string.E_RE_=/e/g;goog.string.ALL_RE_=goog.string.DETECT_DOUBLE_ESCAPING?/[\x00&<>"'e]/:/[\x00&<>"']/;goog.string.unescapeEntities=function(a){return goog.string.contains(a,"&")?!goog.string.FORCE_NON_DOM_HTML_UNESCAPING&&"document"in goog.global?goog.string.unescapeEntitiesUsingDom_(a):goog.string.unescapePureXmlEntities_(a):a};
 goog.string.unescapeEntitiesWithDocument=function(a,b){return goog.string.contains(a,"&")?goog.string.unescapeEntitiesUsingDom_(a,b):a};
-goog.string.unescapeEntitiesUsingDom_=function(a,b){var c={"&amp;":"&","&lt;":"<","&gt;":">","&quot;":'"'},d;d=b?b.createElement("div"):goog.global.document.createElement("div");return a.replace(goog.string.HTML_ENTITY_PATTERN_,function(a,b){var e=c[a];if(e)return e;if("#"==b.charAt(0)){var f=Number("0"+b.substr(1));isNaN(f)||(e=String.fromCharCode(f))}e||(d.innerHTML=a+" ",e=d.firstChild.nodeValue.slice(0,-1));return c[a]=e})};
+goog.string.unescapeEntitiesUsingDom_=function(a,b){var c={"&amp;":"&","&lt;":"<","&gt;":">","&quot;":'"'};var d=b?b.createElement("div"):goog.global.document.createElement("div");return a.replace(goog.string.HTML_ENTITY_PATTERN_,function(a,b){var e=c[a];if(e)return e;if("#"==b.charAt(0)){var f=Number("0"+b.substr(1));isNaN(f)||(e=String.fromCharCode(f))}e||(d.innerHTML=a+" ",e=d.firstChild.nodeValue.slice(0,-1));return c[a]=e})};
 goog.string.unescapePureXmlEntities_=function(a){return a.replace(/&([^;]+);/g,function(a,c){switch(c){case "amp":return"&";case "lt":return"<";case "gt":return">";case "quot":return'"';default:if("#"==c.charAt(0)){var b=Number("0"+c.substr(1));if(!isNaN(b))return String.fromCharCode(b)}return a}})};goog.string.HTML_ENTITY_PATTERN_=/&([^;\s<&]+);?/g;goog.string.whitespaceEscape=function(a,b){return goog.string.newLineToBr(a.replace(/  /g," &#160;"),b)};
 goog.string.preserveSpaces=function(a){return a.replace(/(^|[\n ]) /g,"$1"+goog.string.Unicode.NBSP)};goog.string.stripQuotes=function(a,b){for(var c=b.length,d=0;d<c;d++){var e=1==c?b:b.charAt(d);if(a.charAt(0)==e&&a.charAt(a.length-1)==e)return a.substring(1,a.length-1)}return a};goog.string.truncate=function(a,b,c){c&&(a=goog.string.unescapeEntities(a));a.length>b&&(a=a.substring(0,b-3)+"...");c&&(a=goog.string.htmlEscape(a));return a};
 goog.string.truncateMiddle=function(a,b,c,d){c&&(a=goog.string.unescapeEntities(a));if(d&&a.length>b){d>b&&(d=b);var e=a.length-d;a=a.substring(0,b-d)+"..."+a.substring(e)}else a.length>b&&(d=Math.floor(b/2),e=a.length-d,a=a.substring(0,d+b%2)+"..."+a.substring(e));c&&(a=goog.string.htmlEscape(a));return a};goog.string.specialEscapeChars_={"\x00":"\\0","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\x0B":"\\x0B",'"':'\\"',"\\":"\\\\","<":"<"};goog.string.jsEscapeCache_={"'":"\\'"};
 goog.string.quote=function(a){a=String(a);for(var b=['"'],c=0;c<a.length;c++){var d=a.charAt(c),e=d.charCodeAt(0);b[c+1]=goog.string.specialEscapeChars_[d]||(31<e&&127>e?d:goog.string.escapeChar(d))}b.push('"');return b.join("")};goog.string.escapeString=function(a){for(var b=[],c=0;c<a.length;c++)b[c]=goog.string.escapeChar(a.charAt(c));return b.join("")};
-goog.string.escapeChar=function(a){if(a in goog.string.jsEscapeCache_)return goog.string.jsEscapeCache_[a];if(a in goog.string.specialEscapeChars_)return goog.string.jsEscapeCache_[a]=goog.string.specialEscapeChars_[a];var b,c=a.charCodeAt(0);if(31<c&&127>c)b=a;else{if(256>c){if(b="\\x",16>c||256<c)b+="0"}else b="\\u",4096>c&&(b+="0");b+=c.toString(16).toUpperCase()}return goog.string.jsEscapeCache_[a]=b};goog.string.contains=function(a,b){return-1!=a.indexOf(b)};
+goog.string.escapeChar=function(a){if(a in goog.string.jsEscapeCache_)return goog.string.jsEscapeCache_[a];if(a in goog.string.specialEscapeChars_)return goog.string.jsEscapeCache_[a]=goog.string.specialEscapeChars_[a];var b=a.charCodeAt(0);if(31<b&&127>b)var c=a;else{if(256>b){if(c="\\x",16>b||256<b)c+="0"}else c="\\u",4096>b&&(c+="0");c+=b.toString(16).toUpperCase()}return goog.string.jsEscapeCache_[a]=c};goog.string.contains=function(a,b){return-1!=a.indexOf(b)};
 goog.string.caseInsensitiveContains=function(a,b){return goog.string.contains(a.toLowerCase(),b.toLowerCase())};goog.string.countOf=function(a,b){return a&&b?a.split(b).length-1:0};goog.string.removeAt=function(a,b,c){var d=a;0<=b&&b<a.length&&0<c&&(d=a.substr(0,b)+a.substr(b+c,a.length-b-c));return d};goog.string.remove=function(a,b){return a.replace(b,"")};goog.string.removeAll=function(a,b){var c=new RegExp(goog.string.regExpEscape(b),"g");return a.replace(c,"")};
 goog.string.replaceAll=function(a,b,c){b=new RegExp(goog.string.regExpEscape(b),"g");return a.replace(b,c.replace(/\$/g,"$$$$"))};goog.string.regExpEscape=function(a){return String(a).replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g,"\\$1").replace(/\x08/g,"\\x08")};goog.string.repeat=String.prototype.repeat?function(a,b){return a.repeat(b)}:function(a,b){return Array(b+1).join(a)};
 goog.string.padNumber=function(a,b,c){a=goog.isDef(c)?a.toFixed(c):String(a);c=a.indexOf(".");-1==c&&(c=a.length);return goog.string.repeat("0",Math.max(0,b-c))+a};goog.string.makeSafe=function(a){return null==a?"":String(a)};goog.string.buildString=function(a){return Array.prototype.join.call(arguments,"")};goog.string.getRandomString=function(){return Math.floor(2147483648*Math.random()).toString(36)+Math.abs(Math.floor(2147483648*Math.random())^goog.now()).toString(36)};
-goog.string.compareVersions=function(a,b){for(var c=0,d=goog.string.trim(String(a)).split("."),e=goog.string.trim(String(b)).split("."),f=Math.max(d.length,e.length),g=0;0==c&&g<f;g++){var h=d[g]||"",k=e[g]||"";do{h=/(\d*)(\D*)(.*)/.exec(h)||["","","",""];k=/(\d*)(\D*)(.*)/.exec(k)||["","","",""];if(0==h[0].length&&0==k[0].length)break;var c=0==h[1].length?0:parseInt(h[1],10),m=0==k[1].length?0:parseInt(k[1],10),c=goog.string.compareElements_(c,m)||goog.string.compareElements_(0==h[2].length,0==k[2].length)||
+goog.string.compareVersions=function(a,b){for(var c=0,d=goog.string.trim(String(a)).split("."),e=goog.string.trim(String(b)).split("."),f=Math.max(d.length,e.length),g=0;0==c&&g<f;g++){var h=d[g]||"",k=e[g]||"";do{h=/(\d*)(\D*)(.*)/.exec(h)||["","","",""];k=/(\d*)(\D*)(.*)/.exec(k)||["","","",""];if(0==h[0].length&&0==k[0].length)break;var c=0==h[1].length?0:parseInt(h[1],10),l=0==k[1].length?0:parseInt(k[1],10),c=goog.string.compareElements_(c,l)||goog.string.compareElements_(0==h[2].length,0==k[2].length)||
 goog.string.compareElements_(h[2],k[2]),h=h[3],k=k[3]}while(0==c)}return c};goog.string.compareElements_=function(a,b){return a<b?-1:a>b?1:0};goog.string.hashCode=function(a){for(var b=0,c=0;c<a.length;++c)b=31*b+a.charCodeAt(c)>>>0;return b};goog.string.uniqueStringCounter_=2147483648*Math.random()|0;goog.string.createUniqueString=function(){return"goog_"+goog.string.uniqueStringCounter_++};goog.string.toNumber=function(a){var b=Number(a);return 0==b&&goog.string.isEmptyOrWhitespace(a)?NaN:b};
 goog.string.isLowerCamelCase=function(a){return/^[a-z]+([A-Z][a-z]*)*$/.test(a)};goog.string.isUpperCamelCase=function(a){return/^([A-Z][a-z]*)+$/.test(a)};goog.string.toCamelCase=function(a){return String(a).replace(/\-([a-z])/g,function(a,c){return c.toUpperCase()})};goog.string.toSelectorCase=function(a){return String(a).replace(/([A-Z])/g,"-$1").toLowerCase()};
 goog.string.toTitleCase=function(a,b){var c=goog.isString(b)?goog.string.regExpEscape(b):"\\s";return a.replace(new RegExp("(^"+(c?"|["+c+"]+":"")+")([a-z])","g"),function(a,b,c){return b+c.toUpperCase()})};goog.string.capitalize=function(a){return String(a.charAt(0)).toUpperCase()+String(a.substr(1)).toLowerCase()};goog.string.parseInt=function(a){isFinite(a)&&(a=String(a));return goog.isString(a)?/^\s*-?0x/i.test(a)?parseInt(a,16):parseInt(a,10):NaN};
 goog.string.splitLimit=function(a,b,c){a=a.split(b);for(var d=[];0<c&&a.length;)d.push(a.shift()),c--;a.length&&d.push(a.join(b));return d};goog.string.lastComponent=function(a,b){if(b)"string"==typeof b&&(b=[b]);else return a;for(var c=-1,d=0;d<b.length;d++)if(""!=b[d]){var e=a.lastIndexOf(b[d]);e>c&&(c=e)}return-1==c?a:a.slice(c+1)};
 goog.string.editDistance=function(a,b){var c=[],d=[];if(a==b)return 0;if(!a.length||!b.length)return Math.max(a.length,b.length);for(var e=0;e<b.length+1;e++)c[e]=e;for(e=0;e<a.length;e++){d[0]=e+1;for(var f=0;f<b.length;f++)d[f+1]=Math.min(d[f]+1,c[f+1]+1,c[f]+Number(a[e]!=b[f]));for(f=0;f<c.length;f++)c[f]=d[f]}return d[b.length]};goog.asserts={};goog.asserts.ENABLE_ASSERTS=goog.DEBUG;goog.asserts.AssertionError=function(a,b){b.unshift(a);goog.debug.Error.call(this,goog.string.subs.apply(null,b));b.shift();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;
-goog.asserts.doAssertFailure_=function(a,b,c,d){var e="Assertion failed";if(c)var e=e+(": "+c),f=d;else a&&(e+=": "+a,f=b);a=new goog.asserts.AssertionError(""+e,f||[]);goog.asserts.errorHandler_(a)};goog.asserts.setErrorHandler=function(a){goog.asserts.ENABLE_ASSERTS&&(goog.asserts.errorHandler_=a)};goog.asserts.assert=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!a&&goog.asserts.doAssertFailure_("",null,b,Array.prototype.slice.call(arguments,2));return a};
+goog.asserts.doAssertFailure_=function(a,b,c,d){var e="Assertion failed";if(c){e+=": "+c;var f=d}else a&&(e+=": "+a,f=b);a=new goog.asserts.AssertionError(""+e,f||[]);goog.asserts.errorHandler_(a)};goog.asserts.setErrorHandler=function(a){goog.asserts.ENABLE_ASSERTS&&(goog.asserts.errorHandler_=a)};goog.asserts.assert=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!a&&goog.asserts.doAssertFailure_("",null,b,Array.prototype.slice.call(arguments,2));return a};
 goog.asserts.fail=function(a,b){goog.asserts.ENABLE_ASSERTS&&goog.asserts.errorHandler_(new goog.asserts.AssertionError("Failure"+(a?": "+a:""),Array.prototype.slice.call(arguments,1)))};goog.asserts.assertNumber=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!goog.isNumber(a)&&goog.asserts.doAssertFailure_("Expected number but got %s: %s.",[goog.typeOf(a),a],b,Array.prototype.slice.call(arguments,2));return a};
 goog.asserts.assertString=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!goog.isString(a)&&goog.asserts.doAssertFailure_("Expected string but got %s: %s.",[goog.typeOf(a),a],b,Array.prototype.slice.call(arguments,2));return a};goog.asserts.assertFunction=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!goog.isFunction(a)&&goog.asserts.doAssertFailure_("Expected function but got %s: %s.",[goog.typeOf(a),a],b,Array.prototype.slice.call(arguments,2));return a};
 goog.asserts.assertObject=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!goog.isObject(a)&&goog.asserts.doAssertFailure_("Expected object but got %s: %s.",[goog.typeOf(a),a],b,Array.prototype.slice.call(arguments,2));return a};goog.asserts.assertArray=function(a,b,c){goog.asserts.ENABLE_ASSERTS&&!goog.isArray(a)&&goog.asserts.doAssertFailure_("Expected array but got %s: %s.",[goog.typeOf(a),a],b,Array.prototype.slice.call(arguments,2));return a};
@@ -100,7 +100,7 @@ goog.array.removeLast=function(a,b){var c=goog.array.lastIndexOf(a,b);return 0<=
 goog.array.concat=function(a){return Array.prototype.concat.apply([],arguments)};goog.array.join=function(a){return Array.prototype.concat.apply([],arguments)};goog.array.toArray=function(a){var b=a.length;if(0<b){for(var c=Array(b),d=0;d<b;d++)c[d]=a[d];return c}return[]};goog.array.clone=goog.array.toArray;goog.array.extend=function(a,b){for(var c=1;c<arguments.length;c++){var d=arguments[c];if(goog.isArrayLike(d)){var e=a.length||0,f=d.length||0;a.length=e+f;for(var g=0;g<f;g++)a[e+g]=d[g]}else a.push(d)}};
 goog.array.splice=function(a,b,c,d){goog.asserts.assert(null!=a.length);return Array.prototype.splice.apply(a,goog.array.slice(arguments,1))};goog.array.slice=function(a,b,c){goog.asserts.assert(null!=a.length);return 2>=arguments.length?Array.prototype.slice.call(a,b):Array.prototype.slice.call(a,b,c)};
 goog.array.removeDuplicates=function(a,b,c){b=b||a;var d=function(a){return goog.isObject(a)?"o"+goog.getUid(a):(typeof a).charAt(0)+a};c=c||d;for(var d={},e=0,f=0;f<a.length;){var g=a[f++],h=c(g);Object.prototype.hasOwnProperty.call(d,h)||(d[h]=!0,b[e++]=g)}b.length=e};goog.array.binarySearch=function(a,b,c){return goog.array.binarySearch_(a,c||goog.array.defaultCompare,!1,b)};goog.array.binarySelect=function(a,b,c){return goog.array.binarySearch_(a,b,!0,void 0,c)};
-goog.array.binarySearch_=function(a,b,c,d,e){for(var f=0,g=a.length,h;f<g;){var k=f+g>>1,m;m=c?b.call(e,a[k],k,a):b(d,a[k]);0<m?f=k+1:(g=k,h=!m)}return h?f:~f};goog.array.sort=function(a,b){a.sort(b||goog.array.defaultCompare)};goog.array.stableSort=function(a,b){for(var c=Array(a.length),d=0;d<a.length;d++)c[d]={index:d,value:a[d]};var e=b||goog.array.defaultCompare;goog.array.sort(c,function(a,b){return e(a.value,b.value)||a.index-b.index});for(d=0;d<a.length;d++)a[d]=c[d].value};
+goog.array.binarySearch_=function(a,b,c,d,e){for(var f=0,g=a.length,h;f<g;){var k=f+g>>1;var l=c?b.call(e,a[k],k,a):b(d,a[k]);0<l?f=k+1:(g=k,h=!l)}return h?f:~f};goog.array.sort=function(a,b){a.sort(b||goog.array.defaultCompare)};goog.array.stableSort=function(a,b){for(var c=Array(a.length),d=0;d<a.length;d++)c[d]={index:d,value:a[d]};var e=b||goog.array.defaultCompare;goog.array.sort(c,function(a,b){return e(a.value,b.value)||a.index-b.index});for(d=0;d<a.length;d++)a[d]=c[d].value};
 goog.array.sortByKey=function(a,b,c){var d=c||goog.array.defaultCompare;goog.array.sort(a,function(a,c){return d(b(a),b(c))})};goog.array.sortObjectsByKey=function(a,b,c){goog.array.sortByKey(a,function(a){return a[b]},c)};goog.array.isSorted=function(a,b,c){b=b||goog.array.defaultCompare;for(var d=1;d<a.length;d++){var e=b(a[d-1],a[d]);if(0<e||0==e&&c)return!1}return!0};
 goog.array.equals=function(a,b,c){if(!goog.isArrayLike(a)||!goog.isArrayLike(b)||a.length!=b.length)return!1;var d=a.length;c=c||goog.array.defaultCompareEquality;for(var e=0;e<d;e++)if(!c(a[e],b[e]))return!1;return!0};goog.array.compare3=function(a,b,c){c=c||goog.array.defaultCompare;for(var d=Math.min(a.length,b.length),e=0;e<d;e++){var f=c(a[e],b[e]);if(0!=f)return f}return goog.array.defaultCompare(a.length,b.length)};goog.array.defaultCompare=function(a,b){return a>b?1:a<b?-1:0};
 goog.array.inverseDefaultCompare=function(a,b){return-goog.array.defaultCompare(a,b)};goog.array.defaultCompareEquality=function(a,b){return a===b};goog.array.binaryInsert=function(a,b,c){c=goog.array.binarySearch(a,b,c);return 0>c?(goog.array.insertAt(a,b,-(c+1)),!0):!1};goog.array.binaryRemove=function(a,b,c){b=goog.array.binarySearch(a,b,c);return 0<=b?goog.array.removeAt(a,b):!1};
@@ -118,7 +118,8 @@ goog.object.set=function(a,b,c){a[b]=c};goog.object.setIfUndefined=function(a,b,
 goog.object.unsafeClone=function(a){var b=goog.typeOf(a);if("object"==b||"array"==b){if(goog.isFunction(a.clone))return a.clone();var b="array"==b?[]:{},c;for(c in a)b[c]=goog.object.unsafeClone(a[c]);return b}return a};goog.object.transpose=function(a){var b={},c;for(c in a)b[a[c]]=c;return b};goog.object.PROTOTYPE_FIELDS_="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" ");
 goog.object.extend=function(a,b){for(var c,d,e=1;e<arguments.length;e++){d=arguments[e];for(c in d)a[c]=d[c];for(var f=0;f<goog.object.PROTOTYPE_FIELDS_.length;f++)c=goog.object.PROTOTYPE_FIELDS_[f],Object.prototype.hasOwnProperty.call(d,c)&&(a[c]=d[c])}};
 goog.object.create=function(a){var b=arguments.length;if(1==b&&goog.isArray(arguments[0]))return goog.object.create.apply(null,arguments[0]);if(b%2)throw Error("Uneven number of arguments");for(var c={},d=0;d<b;d+=2)c[arguments[d]]=arguments[d+1];return c};goog.object.createSet=function(a){var b=arguments.length;if(1==b&&goog.isArray(arguments[0]))return goog.object.createSet.apply(null,arguments[0]);for(var c={},d=0;d<b;d++)c[arguments[d]]=!0;return c};
-goog.object.createImmutableView=function(a){var b=a;Object.isFrozen&&!Object.isFrozen(a)&&(b=Object.create(a),Object.freeze(b));return b};goog.object.isImmutableView=function(a){return!!Object.isFrozen&&Object.isFrozen(a)};goog.object.getAllPropertyNames=function(a,b){if(!a)return[];if(!Object.getOwnPropertyNames||!Object.getPrototypeOf)return goog.object.getKeys(a);for(var c={},d=a;d&&(d!==Object.prototype||b);){for(var e=Object.getOwnPropertyNames(d),f=0;f<e.length;f++)c[e[f]]=!0;d=Object.getPrototypeOf(d)}return goog.object.getKeys(c)};goog.labs.userAgent.browser={};goog.labs.userAgent.browser.matchOpera_=function(){return goog.labs.userAgent.util.matchUserAgent("Opera")};goog.labs.userAgent.browser.matchIE_=function(){return goog.labs.userAgent.util.matchUserAgent("Trident")||goog.labs.userAgent.util.matchUserAgent("MSIE")};goog.labs.userAgent.browser.matchEdge_=function(){return goog.labs.userAgent.util.matchUserAgent("Edge")};goog.labs.userAgent.browser.matchFirefox_=function(){return goog.labs.userAgent.util.matchUserAgent("Firefox")};
+goog.object.createImmutableView=function(a){var b=a;Object.isFrozen&&!Object.isFrozen(a)&&(b=Object.create(a),Object.freeze(b));return b};goog.object.isImmutableView=function(a){return!!Object.isFrozen&&Object.isFrozen(a)};
+goog.object.getAllPropertyNames=function(a,b,c){if(!a)return[];if(!Object.getOwnPropertyNames||!Object.getPrototypeOf)return goog.object.getKeys(a);for(var d={};a&&(a!==Object.prototype||b)&&(a!==Function.prototype||c);){for(var e=Object.getOwnPropertyNames(a),f=0;f<e.length;f++)d[e[f]]=!0;a=Object.getPrototypeOf(a)}return goog.object.getKeys(d)};goog.labs.userAgent.browser={};goog.labs.userAgent.browser.matchOpera_=function(){return goog.labs.userAgent.util.matchUserAgent("Opera")};goog.labs.userAgent.browser.matchIE_=function(){return goog.labs.userAgent.util.matchUserAgent("Trident")||goog.labs.userAgent.util.matchUserAgent("MSIE")};goog.labs.userAgent.browser.matchEdge_=function(){return goog.labs.userAgent.util.matchUserAgent("Edge")};goog.labs.userAgent.browser.matchFirefox_=function(){return goog.labs.userAgent.util.matchUserAgent("Firefox")};
 goog.labs.userAgent.browser.matchSafari_=function(){return goog.labs.userAgent.util.matchUserAgent("Safari")&&!(goog.labs.userAgent.browser.matchChrome_()||goog.labs.userAgent.browser.matchCoast_()||goog.labs.userAgent.browser.matchOpera_()||goog.labs.userAgent.browser.matchEdge_()||goog.labs.userAgent.browser.isSilk()||goog.labs.userAgent.util.matchUserAgent("Android"))};goog.labs.userAgent.browser.matchCoast_=function(){return goog.labs.userAgent.util.matchUserAgent("Coast")};
 goog.labs.userAgent.browser.matchIosWebview_=function(){return(goog.labs.userAgent.util.matchUserAgent("iPad")||goog.labs.userAgent.util.matchUserAgent("iPhone"))&&!goog.labs.userAgent.browser.matchSafari_()&&!goog.labs.userAgent.browser.matchChrome_()&&!goog.labs.userAgent.browser.matchCoast_()&&goog.labs.userAgent.util.matchUserAgent("AppleWebKit")};
 goog.labs.userAgent.browser.matchChrome_=function(){return(goog.labs.userAgent.util.matchUserAgent("Chrome")||goog.labs.userAgent.util.matchUserAgent("CriOS"))&&!goog.labs.userAgent.browser.matchEdge_()};goog.labs.userAgent.browser.matchAndroidBrowser_=function(){return goog.labs.userAgent.util.matchUserAgent("Android")&&!(goog.labs.userAgent.browser.isChrome()||goog.labs.userAgent.browser.isFirefox()||goog.labs.userAgent.browser.isOpera()||goog.labs.userAgent.browser.isSilk())};
@@ -132,7 +133,7 @@ goog.labs.userAgent.engine.getVersion=function(){var a=goog.labs.userAgent.util.
 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){var c=goog.array.find(a,function(a){return b==a[0]});return c&&c[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.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+([^\);]+)(\)|;)/,
+goog.labs.userAgent.platform.getVersion=function(){var a=goog.labs.userAgent.util.getUserAgent();var 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.getNavigator=function(){return goog.global.navigator||null};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;
@@ -182,13 +183,13 @@ goog.events.hasListener=function(a,b,c){if(goog.events.Listenable.isImplementedB
 goog.events.fireListeners=function(a,b,c,d){return goog.events.Listenable.isImplementedBy(a)?a.fireListeners(b,c,d):goog.events.fireListeners_(a,b,c,d)};goog.events.fireListeners_=function(a,b,c,d){var e=!0;if(a=goog.events.getListenerMap_(a))if(b=a.listeners[b.toString()])for(b=b.concat(),a=0;a<b.length;a++){var f=b[a];f&&f.capture==c&&!f.removed&&(f=goog.events.fireListener(f,d),e=e&&!1!==f)}return e};
 goog.events.fireListener=function(a,b){var c=a.listener,d=a.handler||a.src;a.callOnce&&goog.events.unlistenByKey(a);return c.call(d,b)};goog.events.getTotalListenerCount=function(){return goog.events.listenerCountEstimate_};goog.events.dispatchEvent=function(a,b){goog.asserts.assert(goog.events.Listenable.isImplementedBy(a),"Can not use goog.events.dispatchEvent with non-goog.events.Listenable instance.");return a.dispatchEvent(b)};
 goog.events.protectBrowserEventEntryPoint=function(a){goog.events.handleBrowserEvent_=a.protectEntryPoint(goog.events.handleBrowserEvent_)};
-goog.events.handleBrowserEvent_=function(a,b){if(a.removed)return!0;if(!goog.events.BrowserFeature.HAS_W3C_EVENT_SUPPORT){var c=b||goog.getObjectByName("window.event"),d=new goog.events.BrowserEvent(c,this),e=!0;if(goog.events.CAPTURE_SIMULATION_MODE==goog.events.CaptureSimulationMode.ON){if(!goog.events.isMarkedIeEvent_(c)){goog.events.markIeEvent_(c);for(var c=[],f=d.currentTarget;f;f=f.parentNode)c.push(f);for(var f=a.type,g=c.length-1;!d.propagationStopped_&&0<=g;g--){d.currentTarget=c[g];var h=
-goog.events.fireListeners_(c[g],f,!0,d),e=e&&h}for(g=0;!d.propagationStopped_&&g<c.length;g++)d.currentTarget=c[g],h=goog.events.fireListeners_(c[g],f,!1,d),e=e&&h}}else e=goog.events.fireListener(a,d);return e}return goog.events.fireListener(a,new goog.events.BrowserEvent(b,this))};goog.events.markIeEvent_=function(a){var b=!1;if(0==a.keyCode)try{a.keyCode=-1;return}catch(c){b=!0}if(b||void 0==a.returnValue)a.returnValue=!0};goog.events.isMarkedIeEvent_=function(a){return 0>a.keyCode||void 0!=a.returnValue};
-goog.events.uniqueIdCounter_=0;goog.events.getUniqueId=function(a){return a+"_"+goog.events.uniqueIdCounter_++};goog.events.getListenerMap_=function(a){a=a[goog.events.LISTENER_MAP_PROP_];return a instanceof goog.events.ListenerMap?a:null};goog.events.LISTENER_WRAPPER_PROP_="__closure_events_fn_"+(1E9*Math.random()>>>0);
+goog.events.handleBrowserEvent_=function(a,b){var c;if(a.removed)return!0;if(!goog.events.BrowserFeature.HAS_W3C_EVENT_SUPPORT){var d=b||goog.getObjectByName("window.event");var e=new goog.events.BrowserEvent(d,this);var f=!0;if(goog.events.CAPTURE_SIMULATION_MODE==goog.events.CaptureSimulationMode.ON){if(!goog.events.isMarkedIeEvent_(d)){goog.events.markIeEvent_(d);d=[];for(c=e.currentTarget;c;c=c.parentNode)d.push(c);c=a.type;for(var g=d.length-1;!e.propagationStopped_&&0<=g;g--){e.currentTarget=
+d[g];var h=goog.events.fireListeners_(d[g],c,!0,e);f=f&&h}for(g=0;!e.propagationStopped_&&g<d.length;g++)e.currentTarget=d[g],h=goog.events.fireListeners_(d[g],c,!1,e),f=f&&h}}else f=goog.events.fireListener(a,e);return f}return goog.events.fireListener(a,new goog.events.BrowserEvent(b,this))};goog.events.markIeEvent_=function(a){var b=!1;if(0==a.keyCode)try{a.keyCode=-1;return}catch(c){b=!0}if(b||void 0==a.returnValue)a.returnValue=!0};
+goog.events.isMarkedIeEvent_=function(a){return 0>a.keyCode||void 0!=a.returnValue};goog.events.uniqueIdCounter_=0;goog.events.getUniqueId=function(a){return a+"_"+goog.events.uniqueIdCounter_++};goog.events.getListenerMap_=function(a){a=a[goog.events.LISTENER_MAP_PROP_];return a instanceof goog.events.ListenerMap?a:null};goog.events.LISTENER_WRAPPER_PROP_="__closure_events_fn_"+(1E9*Math.random()>>>0);
 goog.events.wrapListener=function(a){goog.asserts.assert(a,"Listener can not be null.");if(goog.isFunction(a))return a;goog.asserts.assert(a.handleEvent,"An object listener must have handleEvent method.");a[goog.events.LISTENER_WRAPPER_PROP_]||(a[goog.events.LISTENER_WRAPPER_PROP_]=function(b){return a.handleEvent(b)});return a[goog.events.LISTENER_WRAPPER_PROP_]};goog.debug.entryPointRegistry.register(function(a){goog.events.handleBrowserEvent_=a(goog.events.handleBrowserEvent_)});goog.math={};goog.math.randomInt=function(a){return Math.floor(Math.random()*a)};goog.math.uniformRandom=function(a,b){return a+Math.random()*(b-a)};goog.math.clamp=function(a,b,c){return Math.min(Math.max(a,b),c)};goog.math.modulo=function(a,b){var c=a%b;return 0>c*b?c+b:c};goog.math.lerp=function(a,b,c){return a+c*(b-a)};goog.math.nearlyEquals=function(a,b,c){return Math.abs(a-b)<=(c||1E-6)};goog.math.standardAngle=function(a){return goog.math.modulo(a,360)};
 goog.math.standardAngleInRadians=function(a){return goog.math.modulo(a,2*Math.PI)};goog.math.toRadians=function(a){return a*Math.PI/180};goog.math.toDegrees=function(a){return 180*a/Math.PI};goog.math.angleDx=function(a,b){return b*Math.cos(goog.math.toRadians(a))};goog.math.angleDy=function(a,b){return b*Math.sin(goog.math.toRadians(a))};goog.math.angle=function(a,b,c,d){return goog.math.standardAngle(goog.math.toDegrees(Math.atan2(d-b,c-a)))};
 goog.math.angleDifference=function(a,b){var c=goog.math.standardAngle(b)-goog.math.standardAngle(a);180<c?c-=360:-180>=c&&(c=360+c);return c};goog.math.sign=function(a){return 0<a?1:0>a?-1:a};
-goog.math.longestCommonSubsequence=function(a,b,c,d){c=c||function(a,b){return a==b};d=d||function(b,c){return a[b]};for(var e=a.length,f=b.length,g=[],h=0;h<e+1;h++)g[h]=[],g[h][0]=0;for(var k=0;k<f+1;k++)g[0][k]=0;for(h=1;h<=e;h++)for(k=1;k<=f;k++)c(a[h-1],b[k-1])?g[h][k]=g[h-1][k-1]+1:g[h][k]=Math.max(g[h-1][k],g[h][k-1]);for(var m=[],h=e,k=f;0<h&&0<k;)c(a[h-1],b[k-1])?(m.unshift(d(h-1,k-1)),h--,k--):g[h-1][k]>g[h][k-1]?h--:k--;return m};
+goog.math.longestCommonSubsequence=function(a,b,c,d){c=c||function(a,b){return a==b};d=d||function(b,c){return a[b]};for(var e=a.length,f=b.length,g=[],h=0;h<e+1;h++)g[h]=[],g[h][0]=0;for(var k=0;k<f+1;k++)g[0][k]=0;for(h=1;h<=e;h++)for(k=1;k<=f;k++)c(a[h-1],b[k-1])?g[h][k]=g[h-1][k-1]+1:g[h][k]=Math.max(g[h-1][k],g[h][k-1]);for(var l=[],h=e,k=f;0<h&&0<k;)c(a[h-1],b[k-1])?(l.unshift(d(h-1,k-1)),h--,k--):g[h-1][k]>g[h][k-1]?h--:k--;return l};
 goog.math.sum=function(a){return goog.array.reduce(arguments,function(a,c){return a+c},0)};goog.math.average=function(a){return goog.math.sum.apply(null,arguments)/arguments.length};goog.math.sampleVariance=function(a){var b=arguments.length;if(2>b)return 0;var c=goog.math.average.apply(null,arguments);return goog.math.sum.apply(null,goog.array.map(arguments,function(a){return Math.pow(a-c,2)}))/(b-1)};goog.math.standardDeviation=function(a){return Math.sqrt(goog.math.sampleVariance.apply(null,arguments))};
 goog.math.isInt=function(a){return isFinite(a)&&0==a%1};goog.math.isFiniteNumber=function(a){return isFinite(a)};goog.math.isNegativeZero=function(a){return 0==a&&0>1/a};goog.math.log10Floor=function(a){if(0<a){var b=Math.round(Math.log(a)*Math.LOG10E);return b-(parseFloat("1e"+b)>a?1:0)}return 0==a?-Infinity:NaN};goog.math.safeFloor=function(a,b){goog.asserts.assert(!goog.isDef(b)||0<b);return Math.floor(a+(b||2E-15))};
 goog.math.safeCeil=function(a,b){goog.asserts.assert(!goog.isDef(b)||0<b);return Math.ceil(a-(b||2E-15))};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,
@@ -269,15 +270,15 @@ else if(goog.isString(c))c=goog.html.SafeUrl.sanitize(c).getTypedStringValue();e
 goog.html.SafeHtml.getStyleValue_=function(a){if(!goog.isObject(a))throw Error('The "style" attribute requires goog.html.SafeStyle or map of style properties, '+typeof a+" given: "+a);a instanceof goog.html.SafeStyle||(a=goog.html.SafeStyle.create(a));return goog.html.SafeStyle.unwrap(a)};goog.html.SafeHtml.createWithDir=function(a,b,c,d){b=goog.html.SafeHtml.create(b,c,d);b.dir_=a;return b};
 goog.html.SafeHtml.concat=function(a){var b=goog.i18n.bidi.Dir.NEUTRAL,c="",d=function(a){goog.isArray(a)?goog.array.forEach(a,d):(a=goog.html.SafeHtml.htmlEscape(a),c+=goog.html.SafeHtml.unwrap(a),a=a.getDirection(),b==goog.i18n.bidi.Dir.NEUTRAL?b=a:a!=goog.i18n.bidi.Dir.NEUTRAL&&b!=a&&(b=null))};goog.array.forEach(arguments,d);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(c,b)};
 goog.html.SafeHtml.concatWithDir=function(a,b){var c=goog.html.SafeHtml.concat(goog.array.slice(arguments,1));c.dir_=a;return c};goog.html.SafeHtml.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse=function(a,b){return(new goog.html.SafeHtml).initSecurityPrivateDoNotAccessOrElse_(a,b)};goog.html.SafeHtml.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a,b){this.privateDoNotAccessOrElseSafeHtmlWrappedValue_=a;this.dir_=b;return this};
-goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse=function(a,b,c){var d=null,e;e="<"+a+goog.html.SafeHtml.stringifyAttributes(a,b);goog.isDefAndNotNull(c)?goog.isArray(c)||(c=[c]):c=[];goog.dom.tags.isVoidTag(a.toLowerCase())?(goog.asserts.assert(!c.length,"Void tag <"+a+"> does not allow content."),e+=">"):(d=goog.html.SafeHtml.concat(c),e+=">"+goog.html.SafeHtml.unwrap(d)+"</"+a+">",d=d.getDirection());(a=b&&b.dir)&&(d=/^(ltr|rtl|auto)$/i.test(a)?goog.i18n.bidi.Dir.NEUTRAL:null);
-return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(e,d)};goog.html.SafeHtml.stringifyAttributes=function(a,b){var c="";if(b)for(var d in b){if(!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(d))throw Error('Invalid attribute name "'+d+'".');var e=b[d];goog.isDefAndNotNull(e)&&(c+=" "+goog.html.SafeHtml.getAttrNameAndValue_(a,d,e))}return c};
+goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse=function(a,b,c){var d=null;var e="<"+a+goog.html.SafeHtml.stringifyAttributes(a,b);goog.isDefAndNotNull(c)?goog.isArray(c)||(c=[c]):c=[];goog.dom.tags.isVoidTag(a.toLowerCase())?(goog.asserts.assert(!c.length,"Void tag <"+a+"> does not allow content."),e+=">"):(d=goog.html.SafeHtml.concat(c),e+=">"+goog.html.SafeHtml.unwrap(d)+"</"+a+">",d=d.getDirection());(a=b&&b.dir)&&(d=/^(ltr|rtl|auto)$/i.test(a)?goog.i18n.bidi.Dir.NEUTRAL:
+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.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.safe.assertIsHTMLAnchorElement_(a);var c;c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.href=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setImageSrc=function(a,b){goog.dom.safe.assertIsHTMLImageElement_(a);var c;c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.src=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setEmbedSrc=function(a,b){goog.dom.safe.assertIsHTMLEmbedElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};
+goog.dom.safe.setAnchorHref=function(a,b){goog.dom.safe.assertIsHTMLAnchorElement_(a);var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.href=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setImageSrc=function(a,b){goog.dom.safe.assertIsHTMLImageElement_(a);var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.src=goog.html.SafeUrl.unwrap(c)};goog.dom.safe.setEmbedSrc=function(a,b){goog.dom.safe.assertIsHTMLEmbedElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};
 goog.dom.safe.setFrameSrc=function(a,b){goog.dom.safe.assertIsHTMLFrameElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setIframeSrc=function(a,b){goog.dom.safe.assertIsHTMLIFrameElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setIframeSrcdoc=function(a,b){goog.dom.safe.assertIsHTMLIFrameElement_(a);a.srcdoc=goog.html.SafeHtml.unwrap(b)};
 goog.dom.safe.setLinkHrefAndRel=function(a,b,c){goog.dom.safe.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.sanitize(b).getTypedStringValue()};
-goog.dom.safe.setObjectData=function(a,b){goog.dom.safe.assertIsHTMLObjectElement_(a);a.data=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setScriptSrc=function(a,b){goog.dom.safe.assertIsHTMLScriptElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setLocationHref=function(a,b){goog.dom.safe.assertIsLocation_(a);var c;c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.href=goog.html.SafeUrl.unwrap(c)};
+goog.dom.safe.setObjectData=function(a,b){goog.dom.safe.assertIsHTMLObjectElement_(a);a.data=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setScriptSrc=function(a,b){goog.dom.safe.assertIsHTMLScriptElement_(a);a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setLocationHref=function(a,b){goog.dom.safe.assertIsLocation_(a);var c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.href=goog.html.SafeUrl.unwrap(c)};
 goog.dom.safe.openInWindow=function(a,b,c,d,e){a=a instanceof goog.html.SafeUrl?a:goog.html.SafeUrl.sanitize(a);return(b||window).open(goog.html.SafeUrl.unwrap(a),c?goog.string.Const.unwrap(c):"",d,e)};
 goog.dom.safe.assertIsLocation_=function(a){goog.asserts.ENABLE_ASSERTS&&"undefined"!=typeof Location&&"undefined"!=typeof Element&&goog.asserts.assert(a&&(a instanceof Location||!(a instanceof Element)),"Argument is not a Location (or a non-Element mock); got: %s",goog.dom.safe.debugStringForType_(a));return a};
 goog.dom.safe.assertIsHTMLAnchorElement_=function(a){goog.asserts.ENABLE_ASSERTS&&"undefined"!=typeof HTMLAnchorElement&&"undefined"!=typeof Location&&"undefined"!=typeof Element&&goog.asserts.assert(a&&(a instanceof HTMLAnchorElement||!(a instanceof Location||a instanceof Element)),"Argument is not a HTMLAnchorElement (or a non-Element mock); got: %s",goog.dom.safe.debugStringForType_(a));return a};
@@ -304,8 +305,8 @@ goog.math.Size.prototype.scaleToCover=function(a){a=this.aspectRatio()<=a.aspect
 goog.dom.getElementHelper_=function(a,b){return goog.isString(b)?a.getElementById(b):b};goog.dom.getRequiredElement=function(a){return goog.dom.getRequiredElementHelper_(document,a)};goog.dom.getRequiredElementHelper_=function(a,b){goog.asserts.assertString(b);var c=goog.dom.getElementHelper_(a,b);return c=goog.asserts.assertElement(c,"No element found with id: "+b)};goog.dom.$=goog.dom.getElement;goog.dom.getElementsByTagName=function(a,b){return(b||document).getElementsByTagName(String(a))};
 goog.dom.getElementsByTagNameAndClass=function(a,b,c){return goog.dom.getElementsByTagNameAndClass_(document,a,b,c)};goog.dom.getElementsByClass=function(a,b){var c=b||document;return goog.dom.canUseQuerySelector_(c)?c.querySelectorAll("."+a):goog.dom.getElementsByTagNameAndClass_(document,"*",a,b)};
 goog.dom.getElementByClass=function(a,b){var c=b||document;return(c.getElementsByClassName?c.getElementsByClassName(a)[0]:goog.dom.canUseQuerySelector_(c)?c.querySelector("."+a):goog.dom.getElementsByTagNameAndClass_(document,"*",a,b)[0])||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.$$=goog.dom.getElementsByTagNameAndClass;goog.dom.setProperties=function(a,b){goog.object.forEach(b,function(b,d){"style"==d?a.style.cssText=b:"class"==d?a.className=b:"for"==d?a.htmlFor=b:goog.dom.DIRECT_ATTRIBUTE_MAP_.hasOwnProperty(d)?a.setAttribute(goog.dom.DIRECT_ATTRIBUTE_MAP_[d],b):goog.string.startsWith(d,"aria-")||goog.string.startsWith(d,"data-")?a.setAttribute(d,b):a[d]=b})};
+goog.dom.getElementsByTagNameAndClass_=function(a,b,c,d){a=d||a;var e=b&&"*"!=b?String(b).toUpperCase():"";if(goog.dom.canUseQuerySelector_(a)&&(e||c))return a.querySelectorAll(e+(c?"."+c:""));if(c&&a.getElementsByClassName){d=a.getElementsByClassName(c);if(e){a={};for(var f=b=0,g;g=d[f];f++)e==g.nodeName&&(a[b++]=g);a.length=b;return a}return d}d=a.getElementsByTagName(e||"*");if(c){a={};for(f=b=0;g=d[f];f++)e=g.className,"function"==typeof e.split&&goog.array.contains(e.split(/\s+/),c)&&(a[b++]=
+g);a.length=b;return a}return d};goog.dom.$$=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.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){var c=b.body,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{var b=d.scrollHeight,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()};
@@ -313,7 +314,7 @@ goog.dom.getDocumentScroll=function(){return goog.dom.getDocumentScroll_(documen
 goog.dom.getDocumentScrollElement_=function(a){return a.scrollingElement?a.scrollingElement:!goog.userAgent.WEBKIT&&goog.dom.isCss1CompatMode_(a)?a.documentElement:a.body||a.documentElement};goog.dom.getWindow=function(a){return a?goog.dom.getWindow_(a):window};goog.dom.getWindow_=function(a){return a.parentWindow||a.defaultView};goog.dom.createDom=function(a,b,c){return goog.dom.createDom_(document,arguments)};
 goog.dom.createDom_=function(a,b){var c=String(b[0]),d=b[1];if(!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES&&d&&(d.name||d.type)){c=["<",c];d.name&&c.push(' name="',goog.string.htmlEscape(d.name),'"');if(d.type){c.push(' type="',goog.string.htmlEscape(d.type),'"');var e={};goog.object.extend(e,d);delete e.type;d=e}c.push(">");c=c.join("")}c=a.createElement(c);d&&(goog.isString(d)?c.className=d:goog.isArray(d)?c.className=d.join(" "):goog.dom.setProperties(c,d));2<b.length&&goog.dom.append_(a,
 c,b,2);return c};goog.dom.append_=function(a,b,c,d){function e(c){c&&b.appendChild(goog.isString(c)?a.createTextNode(c):c)}for(;d<c.length;d++){var f=c[d];goog.isArrayLike(f)&&!goog.dom.isNodeLike(f)?goog.array.forEach(goog.dom.isNodeList(f)?goog.array.toArray(f):f,e):e(f)}};goog.dom.$dom=goog.dom.createDom;goog.dom.createElement=function(a){return goog.dom.createElement_(document,a)};goog.dom.createElement_=function(a,b){return a.createElement(String(b))};goog.dom.createTextNode=function(a){return document.createTextNode(String(a))};
-goog.dom.createTable=function(a,b,c){return goog.dom.createTable_(document,a,b,!!c)};goog.dom.createTable_=function(a,b,c,d){for(var e=goog.dom.createElement_(a,"TABLE"),f=e.appendChild(goog.dom.createElement_(a,"TBODY")),g=0;g<b;g++){for(var h=goog.dom.createElement_(a,"TR"),k=0;k<c;k++){var m=goog.dom.createElement_(a,"TD");d&&goog.dom.setTextContent(m,goog.string.Unicode.NBSP);h.appendChild(m)}f.appendChild(h)}return e};
+goog.dom.createTable=function(a,b,c){return goog.dom.createTable_(document,a,b,!!c)};goog.dom.createTable_=function(a,b,c,d){for(var e=goog.dom.createElement_(a,"TABLE"),f=e.appendChild(goog.dom.createElement_(a,"TBODY")),g=0;g<b;g++){for(var h=goog.dom.createElement_(a,"TR"),k=0;k<c;k++){var l=goog.dom.createElement_(a,"TD");d&&goog.dom.setTextContent(l,goog.string.Unicode.NBSP);h.appendChild(l)}f.appendChild(h)}return e};
 goog.dom.constHtmlToNode=function(a){var b=goog.array.map(arguments,goog.string.Const.unwrap),b=goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract(goog.string.Const.from("Constant HTML string, that gets turned into a Node later, so it will be automatically balanced."),b.join(""));return goog.dom.safeHtmlToNode(b)};goog.dom.safeHtmlToNode=function(a){return goog.dom.safeHtmlToNode_(document,a)};
 goog.dom.safeHtmlToNode_=function(a,b){var c=goog.dom.createElement_(a,"DIV");goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT?(goog.dom.safe.setInnerHtml(c,goog.html.SafeHtml.concat(goog.html.SafeHtml.BR,b)),c.removeChild(c.firstChild)):goog.dom.safe.setInnerHtml(c,b);return goog.dom.childrenToNode_(a,c)};goog.dom.childrenToNode_=function(a,b){if(1==b.childNodes.length)return b.removeChild(b.firstChild);for(var c=a.createDocumentFragment();b.firstChild;)c.appendChild(b.firstChild);return c};
 goog.dom.isCss1CompatMode=function(){return goog.dom.isCss1CompatMode_(document)};goog.dom.isCss1CompatMode_=function(a){return goog.dom.COMPAT_MODE_KNOWN_?goog.dom.ASSUME_STANDARDS_MODE:"CSS1Compat"==a.compatMode};goog.dom.canHaveChildren=function(a){if(a.nodeType!=goog.dom.NodeType.ELEMENT)return!1;switch(a.tagName){case "APPLET":case "AREA":case "BASE":case "BR":case "COL":case "COMMAND":case "EMBED":case "FRAME":case "HR":case "IMG":case "INPUT":case "IFRAME":case "ISINDEX":case "KEYGEN":case "LINK":case "NOFRAMES":case "NOSCRIPT":case "META":case "OBJECT":case "PARAM":case "SCRIPT":case "SOURCE":case "STYLE":case "TRACK":case "WBR":return!1}return!0};
@@ -379,14 +380,14 @@ goog.style.getVendorStyleName_=function(a,b){var c=goog.string.toCamelCase(b);re
 goog.style.getComputedStyle=function(a,b){var c=goog.dom.getOwnerDocument(a);return c.defaultView&&c.defaultView.getComputedStyle&&(c=c.defaultView.getComputedStyle(a,null))?c[b]||c.getPropertyValue(b)||"":""};goog.style.getCascadedStyle=function(a,b){return a.currentStyle?a.currentStyle[b]:null};goog.style.getStyle_=function(a,b){return goog.style.getComputedStyle(a,b)||goog.style.getCascadedStyle(a,b)||a.style&&a.style[b]};
 goog.style.getComputedBoxSizing=function(a){return goog.style.getStyle_(a,"boxSizing")||goog.style.getStyle_(a,"MozBoxSizing")||goog.style.getStyle_(a,"WebkitBoxSizing")||null};goog.style.getComputedPosition=function(a){return goog.style.getStyle_(a,"position")};goog.style.getBackgroundColor=function(a){return goog.style.getStyle_(a,"backgroundColor")};goog.style.getComputedOverflowX=function(a){return goog.style.getStyle_(a,"overflowX")};
 goog.style.getComputedOverflowY=function(a){return goog.style.getStyle_(a,"overflowY")};goog.style.getComputedZIndex=function(a){return goog.style.getStyle_(a,"zIndex")};goog.style.getComputedTextAlign=function(a){return goog.style.getStyle_(a,"textAlign")};goog.style.getComputedCursor=function(a){return goog.style.getStyle_(a,"cursor")};goog.style.getComputedTransform=function(a){var b=goog.style.getVendorStyleName_(a,"transform");return goog.style.getStyle_(a,b)||goog.style.getStyle_(a,"transform")};
-goog.style.setPosition=function(a,b,c){var d;b instanceof goog.math.Coordinate?(d=b.x,b=b.y):(d=b,b=c);a.style.left=goog.style.getPixelStyleValue_(d,!1);a.style.top=goog.style.getPixelStyleValue_(b,!1)};goog.style.getPosition=function(a){return new goog.math.Coordinate(a.offsetLeft,a.offsetTop)};
+goog.style.setPosition=function(a,b,c){if(b instanceof goog.math.Coordinate){var d=b.x;b=b.y}else d=b,b=c;a.style.left=goog.style.getPixelStyleValue_(d,!1);a.style.top=goog.style.getPixelStyleValue_(b,!1)};goog.style.getPosition=function(a){return new goog.math.Coordinate(a.offsetLeft,a.offsetTop)};
 goog.style.getClientViewportElement=function(a){a=a?goog.dom.getOwnerDocument(a):goog.dom.getDocument();return!goog.userAgent.IE||goog.userAgent.isDocumentModeOrHigher(9)||goog.dom.getDomHelper(a).isCss1CompatMode()?a.documentElement:a.body};goog.style.getViewportPageOffset=function(a){var b=a.body;a=a.documentElement;return new goog.math.Coordinate(b.scrollLeft||a.scrollLeft,b.scrollTop||a.scrollTop)};
-goog.style.getBoundingClientRect_=function(a){var b;try{b=a.getBoundingClientRect()}catch(c){return{left:0,top:0,right:0,bottom:0}}goog.userAgent.IE&&a.ownerDocument.body&&(a=a.ownerDocument,b.left-=a.documentElement.clientLeft+a.body.clientLeft,b.top-=a.documentElement.clientTop+a.body.clientTop);return b};
+goog.style.getBoundingClientRect_=function(a){try{var b=a.getBoundingClientRect()}catch(c){return{left:0,top:0,right:0,bottom:0}}goog.userAgent.IE&&a.ownerDocument.body&&(a=a.ownerDocument,b.left-=a.documentElement.clientLeft+a.body.clientLeft,b.top-=a.documentElement.clientTop+a.body.clientTop);return b};
 goog.style.getOffsetParent=function(a){if(goog.userAgent.IE&&!goog.userAgent.isDocumentModeOrHigher(8))return goog.asserts.assert(a&&"offsetParent"in a),a.offsetParent;var b=goog.dom.getOwnerDocument(a),c=goog.style.getStyle_(a,"position"),d="fixed"==c||"absolute"==c;for(a=a.parentNode;a&&a!=b;a=a.parentNode)if(a.nodeType==goog.dom.NodeType.DOCUMENT_FRAGMENT&&a.host&&(a=a.host),c=goog.style.getStyle_(a,"position"),d=d&&"static"==c&&a!=b.documentElement&&a!=b.body,!d&&(a.scrollWidth>a.clientWidth||
 a.scrollHeight>a.clientHeight||"fixed"==c||"absolute"==c||"relative"==c))return a;return null};
 goog.style.getVisibleRectForElement=function(a){for(var b=new goog.math.Box(0,Infinity,Infinity,0),c=goog.dom.getDomHelper(a),d=c.getDocument().body,e=c.getDocument().documentElement,f=c.getDocumentScrollElement();a=goog.style.getOffsetParent(a);)if(!(goog.userAgent.IE&&0==a.clientWidth||goog.userAgent.WEBKIT&&0==a.clientHeight&&a==d)&&a!=d&&a!=e&&"visible"!=goog.style.getStyle_(a,"overflow")){var g=goog.style.getPageOffset(a),h=goog.style.getClientLeftTop(a);g.x+=h.x;g.y+=h.y;b.top=Math.max(b.top,
 g.y);b.right=Math.min(b.right,g.x+a.clientWidth);b.bottom=Math.min(b.bottom,g.y+a.clientHeight);b.left=Math.max(b.left,g.x)}d=f.scrollLeft;f=f.scrollTop;b.left=Math.max(b.left,d);b.top=Math.max(b.top,f);c=c.getViewportSize();b.right=Math.min(b.right,d+c.width);b.bottom=Math.min(b.bottom,f+c.height);return 0<=b.top&&0<=b.left&&b.bottom>b.top&&b.right>b.left?b:null};
-goog.style.getContainerOffsetToScrollInto=function(a,b,c){var d=b||goog.dom.getDocumentScrollElement(),e=goog.style.getPageOffset(a),f=goog.style.getPageOffset(d),g=goog.style.getBorderBox(d);d==goog.dom.getDocumentScrollElement()?(b=e.x-d.scrollLeft,e=e.y-d.scrollTop,goog.userAgent.IE&&!goog.userAgent.isDocumentModeOrHigher(10)&&(b+=g.left,e+=g.top)):(b=e.x-f.x-g.left,e=e.y-f.y-g.top);g=goog.style.getSizeWithDisplay_(a);a=d.clientWidth-g.width;g=d.clientHeight-g.height;f=d.scrollLeft;d=d.scrollTop;
+goog.style.getContainerOffsetToScrollInto=function(a,b,c){var d=b||goog.dom.getDocumentScrollElement();var e=goog.style.getPageOffset(a);var f=goog.style.getPageOffset(d),g=goog.style.getBorderBox(d);d==goog.dom.getDocumentScrollElement()?(b=e.x-d.scrollLeft,e=e.y-d.scrollTop,goog.userAgent.IE&&!goog.userAgent.isDocumentModeOrHigher(10)&&(b+=g.left,e+=g.top)):(b=e.x-f.x-g.left,e=e.y-f.y-g.top);g=goog.style.getSizeWithDisplay_(a);a=d.clientWidth-g.width;g=d.clientHeight-g.height;f=d.scrollLeft;d=d.scrollTop;
 c?(f+=b-a/2,d+=e-g/2):(f+=Math.min(b,Math.max(b-a,0)),d+=Math.min(e,Math.max(e-g,0)));return new goog.math.Coordinate(f,d)};goog.style.scrollIntoContainerView=function(a,b,c){b=b||goog.dom.getDocumentScrollElement();a=goog.style.getContainerOffsetToScrollInto(a,b,c);b.scrollLeft=a.x;b.scrollTop=a.y};goog.style.getClientLeftTop=function(a){return new goog.math.Coordinate(a.clientLeft,a.clientTop)};
 goog.style.getPageOffset=function(a){var b=goog.dom.getOwnerDocument(a);goog.asserts.assertObject(a,"Parameter is required");var c=new goog.math.Coordinate(0,0),d=goog.style.getClientViewportElement(b);if(a==d)return c;a=goog.style.getBoundingClientRect_(a);b=goog.dom.getDomHelper(b).getDocumentScroll();c.x=a.left+b.x;c.y=a.top+b.y;return c};goog.style.getPageOffsetLeft=function(a){return goog.style.getPageOffset(a).x};goog.style.getPageOffsetTop=function(a){return goog.style.getPageOffset(a).y};
 goog.style.getFramedPageOffset=function(a,b){var c=new goog.math.Coordinate(0,0),d=goog.dom.getWindow(goog.dom.getOwnerDocument(a));if(!goog.reflect.canAccessProperty(d,"parent"))return c;var e=a;do{var f=d==b?goog.style.getPageOffset(e):goog.style.getClientPositionForElement_(goog.asserts.assert(e));c.x+=f.x;c.y+=f.y}while(d&&d!=b&&d!=d.parent&&(e=d.frameElement)&&(d=d.parent));return c};
@@ -400,7 +401,7 @@ goog.style.getBounds=function(a){var b=goog.style.getPageOffset(a);a=goog.style.
 goog.style.getOpacity=function(a){goog.asserts.assert(a);var b=a.style;a="";"opacity"in b?a=b.opacity:"MozOpacity"in b?a=b.MozOpacity:"filter"in b&&(b=b.filter.match(/alpha\(opacity=([\d.]+)\)/))&&(a=String(b[1]/100));return""==a?a:Number(a)};goog.style.setOpacity=function(a,b){goog.asserts.assert(a);var c=a.style;"opacity"in c?c.opacity=b:"MozOpacity"in c?c.MozOpacity=b:"filter"in c&&(c.filter=""===b?"":"alpha(opacity="+100*Number(b)+")")};
 goog.style.setTransparentBackgroundImage=function(a,b){var c=a.style;goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?c.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+b+'", sizingMethod="crop")':(c.backgroundImage="url("+b+")",c.backgroundPosition="top left",c.backgroundRepeat="no-repeat")};goog.style.clearTransparentBackgroundImage=function(a){a=a.style;"filter"in a?a.filter="":a.backgroundImage="none"};
 goog.style.showElement=function(a,b){goog.style.setElementShown(a,b)};goog.style.setElementShown=function(a,b){a.style.display=b?"":"none"};goog.style.isElementShown=function(a){return"none"!=a.style.display};goog.style.installStyles=function(a,b){return goog.style.installSafeStyleSheet(goog.html.legacyconversions.safeStyleSheetFromString(a),b)};
-goog.style.installSafeStyleSheet=function(a,b){var c=goog.dom.getDomHelper(b),d,e=c.getDocument();goog.userAgent.IE&&e.createStyleSheet?(d=e.createStyleSheet(),goog.style.setSafeStyleSheet(d,a)):(e=c.getElementsByTagNameAndClass("HEAD")[0],e||(d=c.getElementsByTagNameAndClass("BODY")[0],e=c.createDom("HEAD"),d.parentNode.insertBefore(e,d)),d=c.createDom("STYLE"),goog.style.setSafeStyleSheet(d,a),c.appendChild(e,d));return d};
+goog.style.installSafeStyleSheet=function(a,b){var c=goog.dom.getDomHelper(b),d=c.getDocument();if(goog.userAgent.IE&&d.createStyleSheet){var e=d.createStyleSheet();goog.style.setSafeStyleSheet(e,a)}else d=c.getElementsByTagNameAndClass("HEAD")[0],d||(e=c.getElementsByTagNameAndClass("BODY")[0],d=c.createDom("HEAD"),e.parentNode.insertBefore(d,e)),e=c.createDom("STYLE"),goog.style.setSafeStyleSheet(e,a),c.appendChild(d,e);return e};
 goog.style.uninstallStyles=function(a){goog.dom.removeNode(a.ownerNode||a.owningElement||a)};goog.style.setStyles=function(a,b){goog.style.setSafeStyleSheet(a,goog.html.legacyconversions.safeStyleSheetFromString(b))};goog.style.setSafeStyleSheet=function(a,b){var c=goog.html.SafeStyleSheet.unwrap(b);goog.userAgent.IE&&goog.isDef(a.cssText)?a.cssText=c:a.innerHTML=c};
 goog.style.setPreWrap=function(a){a=a.style;goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?(a.whiteSpace="pre",a.wordWrap="break-word"):a.whiteSpace=goog.userAgent.GECKO?"-moz-pre-wrap":"pre-wrap"};goog.style.setInlineBlock=function(a){a=a.style;a.position="relative";goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?(a.zoom="1",a.display="inline"):a.display="inline-block"};goog.style.isRightToLeft=function(a){return"rtl"==goog.style.getStyle_(a,"direction")};
 goog.style.unselectableStyle_=goog.userAgent.GECKO?"MozUserSelect":goog.userAgent.WEBKIT||goog.userAgent.EDGE?"WebkitUserSelect":null;goog.style.isUnselectable=function(a){return goog.style.unselectableStyle_?"none"==a.style[goog.style.unselectableStyle_].toLowerCase():goog.userAgent.IE||goog.userAgent.OPERA?"on"==a.getAttribute("unselectable"):!1};
@@ -412,17 +413,17 @@ b.left-b.right-a.right,c.height-a.top-b.top-b.bottom-a.bottom)};
 goog.style.setContentBoxSize=function(a,b){var c=goog.dom.getOwnerDocument(a),d=goog.dom.getDomHelper(c).isCss1CompatMode();if(!goog.userAgent.IE||goog.userAgent.isVersionOrHigher("10")||d&&goog.userAgent.isVersionOrHigher("8"))goog.style.setBoxSizingSize_(a,b,"content-box");else if(c=a.style,d)c.pixelWidth=b.width,c.pixelHeight=b.height;else{var d=goog.style.getPaddingBox(a),e=goog.style.getBorderBox(a);c.pixelWidth=b.width+e.left+d.left+d.right+e.right;c.pixelHeight=b.height+e.top+d.top+d.bottom+
 e.bottom}};goog.style.setBoxSizingSize_=function(a,b,c){a=a.style;goog.userAgent.GECKO?a.MozBoxSizing=c:goog.userAgent.WEBKIT?a.WebkitBoxSizing=c:a.boxSizing=c;a.width=Math.max(b.width,0)+"px";a.height=Math.max(b.height,0)+"px"};goog.style.getIePixelValue_=function(a,b,c,d){if(/^\d+px?$/.test(b))return parseInt(b,10);var e=a.style[c],f=a.runtimeStyle[c];a.runtimeStyle[c]=a.currentStyle[c];a.style[c]=b;b=a.style[d];a.style[c]=e;a.runtimeStyle[c]=f;return+b};
 goog.style.getIePixelDistance_=function(a,b){var c=goog.style.getCascadedStyle(a,b);return c?goog.style.getIePixelValue_(a,c,"left","pixelLeft"):0};
-goog.style.getBox_=function(a,b){if(goog.userAgent.IE){var c=goog.style.getIePixelDistance_(a,b+"Left"),d=goog.style.getIePixelDistance_(a,b+"Right"),e=goog.style.getIePixelDistance_(a,b+"Top"),f=goog.style.getIePixelDistance_(a,b+"Bottom");return new goog.math.Box(e,d,f,c)}c=goog.style.getComputedStyle(a,b+"Left");d=goog.style.getComputedStyle(a,b+"Right");e=goog.style.getComputedStyle(a,b+"Top");f=goog.style.getComputedStyle(a,b+"Bottom");return new goog.math.Box(parseFloat(e),parseFloat(d),parseFloat(f),
-parseFloat(c))};goog.style.getPaddingBox=function(a){return goog.style.getBox_(a,"padding")};goog.style.getMarginBox=function(a){return goog.style.getBox_(a,"margin")};goog.style.ieBorderWidthKeywords_={thin:2,medium:4,thick:6};
+goog.style.getBox_=function(a,b){if(goog.userAgent.IE){var c=goog.style.getIePixelDistance_(a,b+"Left");var d=goog.style.getIePixelDistance_(a,b+"Right");var e=goog.style.getIePixelDistance_(a,b+"Top");var f=goog.style.getIePixelDistance_(a,b+"Bottom");return new goog.math.Box(e,d,f,c)}c=goog.style.getComputedStyle(a,b+"Left");d=goog.style.getComputedStyle(a,b+"Right");e=goog.style.getComputedStyle(a,b+"Top");f=goog.style.getComputedStyle(a,b+"Bottom");return new goog.math.Box(parseFloat(e),parseFloat(d),
+parseFloat(f),parseFloat(c))};goog.style.getPaddingBox=function(a){return goog.style.getBox_(a,"padding")};goog.style.getMarginBox=function(a){return goog.style.getBox_(a,"margin")};goog.style.ieBorderWidthKeywords_={thin:2,medium:4,thick:6};
 goog.style.getIePixelBorder_=function(a,b){if("none"==goog.style.getCascadedStyle(a,b+"Style"))return 0;var c=goog.style.getCascadedStyle(a,b+"Width");return c in goog.style.ieBorderWidthKeywords_?goog.style.ieBorderWidthKeywords_[c]:goog.style.getIePixelValue_(a,c,"left","pixelLeft")};
-goog.style.getBorderBox=function(a){if(goog.userAgent.IE&&!goog.userAgent.isDocumentModeOrHigher(9)){var b=goog.style.getIePixelBorder_(a,"borderLeft"),c=goog.style.getIePixelBorder_(a,"borderRight"),d=goog.style.getIePixelBorder_(a,"borderTop");a=goog.style.getIePixelBorder_(a,"borderBottom");return new goog.math.Box(d,c,a,b)}b=goog.style.getComputedStyle(a,"borderLeftWidth");c=goog.style.getComputedStyle(a,"borderRightWidth");d=goog.style.getComputedStyle(a,"borderTopWidth");a=goog.style.getComputedStyle(a,
+goog.style.getBorderBox=function(a){if(goog.userAgent.IE&&!goog.userAgent.isDocumentModeOrHigher(9)){var b=goog.style.getIePixelBorder_(a,"borderLeft");var c=goog.style.getIePixelBorder_(a,"borderRight");var d=goog.style.getIePixelBorder_(a,"borderTop");a=goog.style.getIePixelBorder_(a,"borderBottom");return new goog.math.Box(d,c,a,b)}b=goog.style.getComputedStyle(a,"borderLeftWidth");c=goog.style.getComputedStyle(a,"borderRightWidth");d=goog.style.getComputedStyle(a,"borderTopWidth");a=goog.style.getComputedStyle(a,
 "borderBottomWidth");return new goog.math.Box(parseFloat(d),parseFloat(c),parseFloat(a),parseFloat(b))};goog.style.getFontFamily=function(a){var b=goog.dom.getOwnerDocument(a),c="";if(b.body.createTextRange&&goog.dom.contains(b,a)){b=b.body.createTextRange();b.moveToElementText(a);try{c=b.queryCommandValue("FontName")}catch(d){c=""}}c||(c=goog.style.getStyle_(a,"fontFamily"));a=c.split(",");1<a.length&&(c=a[0]);return goog.string.stripQuotes(c,"\"'")};goog.style.lengthUnitRegex_=/[^\d]+$/;
 goog.style.getLengthUnits=function(a){return(a=a.match(goog.style.lengthUnitRegex_))&&a[0]||null};goog.style.ABSOLUTE_CSS_LENGTH_UNITS_={cm:1,"in":1,mm:1,pc:1,pt:1};goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_={em:1,ex:1};
 goog.style.getFontSize=function(a){var b=goog.style.getStyle_(a,"fontSize"),c=goog.style.getLengthUnits(b);if(b&&"px"==c)return parseInt(b,10);if(goog.userAgent.IE){if(String(c)in goog.style.ABSOLUTE_CSS_LENGTH_UNITS_)return goog.style.getIePixelValue_(a,b,"left","pixelLeft");if(a.parentNode&&a.parentNode.nodeType==goog.dom.NodeType.ELEMENT&&String(c)in goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_)return a=a.parentNode,c=goog.style.getStyle_(a,"fontSize"),goog.style.getIePixelValue_(a,b==c?"1em":b,
 "left","pixelLeft")}c=goog.dom.createDom("SPAN",{style:"visibility:hidden;position:absolute;line-height:0;padding:0;margin:0;border:0;height:1em;"});goog.dom.appendChild(a,c);b=c.offsetHeight;goog.dom.removeNode(c);return b};goog.style.parseStyleAttribute=function(a){var b={};goog.array.forEach(a.split(/\s*;\s*/),function(a){var c=a.match(/\s*([\w-]+)\s*\:(.+)/);c&&(a=c[1],c=goog.string.trim(c[2]),b[goog.string.toCamelCase(a.toLowerCase())]=c)});return b};
 goog.style.toStyleAttribute=function(a){var b=[];goog.object.forEach(a,function(a,d){b.push(goog.string.toSelectorCase(d),":",a,";")});return b.join("")};goog.style.setFloat=function(a,b){a.style[goog.userAgent.IE?"styleFloat":"cssFloat"]=b};goog.style.getFloat=function(a){return a.style[goog.userAgent.IE?"styleFloat":"cssFloat"]||""};
 goog.style.getScrollbarWidth=function(a){var b=goog.dom.createElement("DIV");a&&(b.className=a);b.style.cssText="overflow:auto;position:absolute;top:0;width:100px;height:100px";a=goog.dom.createElement("DIV");goog.style.setSize(a,"200px","200px");b.appendChild(a);goog.dom.appendChild(goog.dom.getDocument().body,b);a=b.offsetWidth-b.clientWidth;goog.dom.removeNode(b);return a};goog.style.MATRIX_TRANSLATION_REGEX_=/matrix\([0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, ([0-9\.\-]+)p?x?, ([0-9\.\-]+)p?x?\)/;
-goog.style.getCssTranslation=function(a){a=goog.style.getComputedTransform(a);return a?(a=a.match(goog.style.MATRIX_TRANSLATION_REGEX_))?new goog.math.Coordinate(parseFloat(a[1]),parseFloat(a[2])):new goog.math.Coordinate(0,0):new goog.math.Coordinate(0,0)};goog.Thenable=function(){};goog.Thenable.prototype.then=function(a,b,c){};goog.Thenable.IMPLEMENTED_BY_PROP="$goog_Thenable";goog.Thenable.addImplementation=function(a){a.prototype.then=a.prototype.then;COMPILED?a.prototype[goog.Thenable.IMPLEMENTED_BY_PROP]=!0:a.prototype.$goog_Thenable=!0};goog.Thenable.isImplementedBy=function(a){if(!a)return!1;try{return COMPILED?!!a[goog.Thenable.IMPLEMENTED_BY_PROP]:!!a.$goog_Thenable}catch(b){return!1}};goog.async={};goog.async.FreeList=function(a,b,c){this.limit_=c;this.create_=a;this.reset_=b;this.occupants_=0;this.head_=null};goog.async.FreeList.prototype.get=function(){var a;0<this.occupants_?(this.occupants_--,a=this.head_,this.head_=a.next,a.next=null):a=this.create_();return a};goog.async.FreeList.prototype.put=function(a){this.reset_(a);this.occupants_<this.limit_&&(this.occupants_++,a.next=this.head_,this.head_=a)};goog.async.FreeList.prototype.occupants=function(){return this.occupants_};goog.async.WorkQueue=function(){this.workTail_=this.workHead_=null};goog.async.WorkQueue.DEFAULT_MAX_UNUSED=100;goog.async.WorkQueue.freelist_=new goog.async.FreeList(function(){return new goog.async.WorkItem},function(a){a.reset()},goog.async.WorkQueue.DEFAULT_MAX_UNUSED);goog.async.WorkQueue.prototype.add=function(a,b){var c=this.getUnusedItem_();c.set(a,b);this.workTail_?this.workTail_.next=c:(goog.asserts.assert(!this.workHead_),this.workHead_=c);this.workTail_=c};
+goog.style.getCssTranslation=function(a){a=goog.style.getComputedTransform(a);return a?(a=a.match(goog.style.MATRIX_TRANSLATION_REGEX_))?new goog.math.Coordinate(parseFloat(a[1]),parseFloat(a[2])):new goog.math.Coordinate(0,0):new goog.math.Coordinate(0,0)};goog.Thenable=function(){};goog.Thenable.prototype.then=function(a,b,c){};goog.Thenable.IMPLEMENTED_BY_PROP="$goog_Thenable";goog.Thenable.addImplementation=function(a){a.prototype.then=a.prototype.then;COMPILED?a.prototype[goog.Thenable.IMPLEMENTED_BY_PROP]=!0:a.prototype.$goog_Thenable=!0};goog.Thenable.isImplementedBy=function(a){if(!a)return!1;try{return COMPILED?!!a[goog.Thenable.IMPLEMENTED_BY_PROP]:!!a.$goog_Thenable}catch(b){return!1}};goog.async={};goog.async.FreeList=function(a,b,c){this.limit_=c;this.create_=a;this.reset_=b;this.occupants_=0;this.head_=null};goog.async.FreeList.prototype.get=function(){if(0<this.occupants_){this.occupants_--;var a=this.head_;this.head_=a.next;a.next=null}else a=this.create_();return a};goog.async.FreeList.prototype.put=function(a){this.reset_(a);this.occupants_<this.limit_&&(this.occupants_++,a.next=this.head_,this.head_=a)};goog.async.FreeList.prototype.occupants=function(){return this.occupants_};goog.async.WorkQueue=function(){this.workTail_=this.workHead_=null};goog.async.WorkQueue.DEFAULT_MAX_UNUSED=100;goog.async.WorkQueue.freelist_=new goog.async.FreeList(function(){return new goog.async.WorkItem},function(a){a.reset()},goog.async.WorkQueue.DEFAULT_MAX_UNUSED);goog.async.WorkQueue.prototype.add=function(a,b){var c=this.getUnusedItem_();c.set(a,b);this.workTail_?this.workTail_.next=c:(goog.asserts.assert(!this.workHead_),this.workHead_=c);this.workTail_=c};
 goog.async.WorkQueue.prototype.remove=function(){var a=null;this.workHead_&&(a=this.workHead_,this.workHead_=this.workHead_.next,this.workHead_||(this.workTail_=null),a.next=null);return a};goog.async.WorkQueue.prototype.returnUnused=function(a){goog.async.WorkQueue.freelist_.put(a)};goog.async.WorkQueue.prototype.getUnusedItem_=function(){return goog.async.WorkQueue.freelist_.get()};goog.async.WorkItem=function(){this.next=this.scope=this.fn=null};
 goog.async.WorkItem.prototype.set=function(a,b){this.fn=a;this.scope=b;this.next=null};goog.async.WorkItem.prototype.reset=function(){this.next=this.scope=this.fn=null};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))};
@@ -463,13 +464,13 @@ goog.Promise.prototype.removeUnhandledRejection_=function(){if(0<goog.Promise.UN
 goog.Promise.addUnhandledRejection_=function(a,b){0<goog.Promise.UNHANDLED_REJECTION_DELAY?a.unhandledRejectionId_=goog.global.setTimeout(function(){a.appendLongStack_(b);goog.Promise.handleRejection_.call(null,b)},goog.Promise.UNHANDLED_REJECTION_DELAY):0==goog.Promise.UNHANDLED_REJECTION_DELAY&&(a.hadUnhandledRejection_=!0,goog.async.run(function(){a.hadUnhandledRejection_&&(a.appendLongStack_(b),goog.Promise.handleRejection_.call(null,b))}))};goog.Promise.handleRejection_=goog.async.throwException;
 goog.Promise.setUnhandledRejectionHandler=function(a){goog.Promise.handleRejection_=a};goog.Promise.CancellationError=function(a){goog.debug.Error.call(this,a)};goog.inherits(goog.Promise.CancellationError,goog.debug.Error);goog.Promise.CancellationError.prototype.name="cancel";goog.Promise.Resolver_=function(a,b,c){this.promise=a;this.resolve=b;this.reject=c};goog.events.EventTarget=function(){goog.Disposable.call(this);this.eventTargetListeners_=new goog.events.ListenerMap(this);this.actualEventTarget_=this;this.parentEventTarget_=null};goog.inherits(goog.events.EventTarget,goog.Disposable);goog.events.Listenable.addImplementation(goog.events.EventTarget);goog.events.EventTarget.MAX_ANCESTORS_=1E3;goog.events.EventTarget.prototype.getParentEventTarget=function(){return this.parentEventTarget_};
 goog.events.EventTarget.prototype.setParentEventTarget=function(a){this.parentEventTarget_=a};goog.events.EventTarget.prototype.addEventListener=function(a,b,c,d){goog.events.listen(this,a,b,c,d)};goog.events.EventTarget.prototype.removeEventListener=function(a,b,c,d){goog.events.unlisten(this,a,b,c,d)};
-goog.events.EventTarget.prototype.dispatchEvent=function(a){this.assertInitialized_();var b,c=this.getParentEventTarget();if(c){b=[];for(var d=1;c;c=c.getParentEventTarget())b.push(c),goog.asserts.assert(++d<goog.events.EventTarget.MAX_ANCESTORS_,"infinite loop")}return goog.events.EventTarget.dispatchEventInternal_(this.actualEventTarget_,a,b)};
+goog.events.EventTarget.prototype.dispatchEvent=function(a){this.assertInitialized_();var b=this.getParentEventTarget();if(b){var c=[];for(var d=1;b;b=b.getParentEventTarget())c.push(b),goog.asserts.assert(++d<goog.events.EventTarget.MAX_ANCESTORS_,"infinite loop")}return goog.events.EventTarget.dispatchEventInternal_(this.actualEventTarget_,a,c)};
 goog.events.EventTarget.prototype.disposeInternal=function(){goog.events.EventTarget.superClass_.disposeInternal.call(this);this.removeAllListeners();this.parentEventTarget_=null};goog.events.EventTarget.prototype.listen=function(a,b,c,d){this.assertInitialized_();return this.eventTargetListeners_.add(String(a),b,!1,c,d)};goog.events.EventTarget.prototype.listenOnce=function(a,b,c,d){return this.eventTargetListeners_.add(String(a),b,!0,c,d)};
 goog.events.EventTarget.prototype.unlisten=function(a,b,c,d){return this.eventTargetListeners_.remove(String(a),b,c,d)};goog.events.EventTarget.prototype.unlistenByKey=function(a){return this.eventTargetListeners_.removeByKey(a)};goog.events.EventTarget.prototype.removeAllListeners=function(a){return this.eventTargetListeners_?this.eventTargetListeners_.removeAll(a):0};
 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){var c=goog.isDef(a)?String(a):void 0;return this.eventTargetListeners_.hasListener(c,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)}var e=!0,f;if(c)for(var g=c.length-1;!b.propagationStopped_&&0<=g;g--)f=b.currentTarget=c[g],e=f.fireListeners(d,!0,b)&&e;b.propagationStopped_||(f=b.currentTarget=a,e=f.fireListeners(d,!0,b)&&e,b.propagationStopped_||(e=f.fireListeners(d,!1,b)&&e));
-if(c)for(g=0;!b.propagationStopped_&&g<c.length;g++)f=b.currentTarget=c[g],e=f.fireListeners(d,!1,b)&&e;return e};goog.Timer=function(a,b){goog.events.EventTarget.call(this);this.interval_=a||1;this.timerObject_=b||goog.Timer.defaultTimerObject;this.boundTick_=goog.bind(this.tick_,this);this.last_=goog.now()};goog.inherits(goog.Timer,goog.events.EventTarget);goog.Timer.MAX_TIMEOUT_=2147483647;goog.Timer.INVALID_TIMEOUT_ID_=-1;goog.Timer.prototype.enabled=!1;goog.Timer.defaultTimerObject=goog.global;goog.Timer.intervalScale=.8;goog.Timer.prototype.timer_=null;goog.Timer.prototype.getInterval=function(){return this.interval_};
+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)}var 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.Timer=function(a,b){goog.events.EventTarget.call(this);this.interval_=a||1;this.timerObject_=b||goog.Timer.defaultTimerObject;this.boundTick_=goog.bind(this.tick_,this);this.last_=goog.now()};goog.inherits(goog.Timer,goog.events.EventTarget);goog.Timer.MAX_TIMEOUT_=2147483647;goog.Timer.INVALID_TIMEOUT_ID_=-1;goog.Timer.prototype.enabled=!1;goog.Timer.defaultTimerObject=goog.global;goog.Timer.intervalScale=.8;goog.Timer.prototype.timer_=null;goog.Timer.prototype.getInterval=function(){return this.interval_};
 goog.Timer.prototype.setInterval=function(a){this.interval_=a;this.timer_&&this.enabled?(this.stop(),this.start()):this.timer_&&this.stop()};
 goog.Timer.prototype.tick_=function(){if(this.enabled){var a=goog.now()-this.last_;0<a&&a<this.interval_*goog.Timer.intervalScale?this.timer_=this.timerObject_.setTimeout(this.boundTick_,this.interval_-a):(this.timer_&&(this.timerObject_.clearTimeout(this.timer_),this.timer_=null),this.dispatchTick(),this.enabled&&(this.timer_=this.timerObject_.setTimeout(this.boundTick_,this.interval_),this.last_=goog.now()))}};goog.Timer.prototype.dispatchTick=function(){this.dispatchEvent(goog.Timer.TICK)};
 goog.Timer.prototype.start=function(){this.enabled=!0;this.timer_||(this.timer_=this.timerObject_.setTimeout(this.boundTick_,this.interval_),this.last_=goog.now())};goog.Timer.prototype.stop=function(){this.enabled=!1;this.timer_&&(this.timerObject_.clearTimeout(this.timer_),this.timer_=null)};goog.Timer.prototype.disposeInternal=function(){goog.Timer.superClass_.disposeInternal.call(this);this.stop();delete this.timerObject_};goog.Timer.TICK="tick";
@@ -541,9 +542,9 @@ goog.events.KeyHandler.keyIdentifier_={Up:goog.events.KeyCodes.UP,Down:goog.even
 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,d,e=b.altKey;goog.userAgent.IE&&a.type==goog.events.EventType.KEYPRESS?(c=this.keyCode_,d=c!=goog.events.KeyCodes.ENTER&&c!=goog.events.KeyCodes.ESC?b.keyCode:0):(goog.userAgent.WEBKIT||goog.userAgent.EDGE)&&a.type==goog.events.EventType.KEYPRESS?(c=this.keyCode_,d=0<=b.charCode&&63232>b.charCode&&goog.events.KeyCodes.isCharacterKey(c)?b.charCode:0):goog.userAgent.OPERA&&!goog.userAgent.WEBKIT?(c=this.keyCode_,d=
-goog.events.KeyCodes.isCharacterKey(c)?b.keyCode:0):(c=b.keyCode||this.keyCode_,d=b.charCode||0,goog.events.KeyHandler.SAVE_ALT_FOR_KEYPRESS_&&(e=this.altKey_),goog.userAgent.MAC&&d==goog.events.KeyCodes.QUESTION_MARK&&c==goog.events.KeyCodes.WIN_KEY&&(c=goog.events.KeyCodes.SLASH));var f=c=goog.events.KeyCodes.normalizeKeyCode(c);c?63232<=c&&c in goog.events.KeyHandler.safariKey_?f=goog.events.KeyHandler.safariKey_[c]:25==c&&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,d,a,b);b.altKey=e;this.dispatchEvent(b)};goog.events.KeyHandler.prototype.getElement=function(){return this.element_};
+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_};
 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.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)};
@@ -564,8 +565,8 @@ goog.ui.ContainerRenderer.prototype.getClassNames=function(a){var b=this.getCssC
 goog.ui.ControlRenderer.TOGGLE_ARIA_STATE_MAP_=goog.object.create(goog.a11y.aria.Role.BUTTON,goog.a11y.aria.State.PRESSED,goog.a11y.aria.Role.CHECKBOX,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.MENU_ITEM,goog.a11y.aria.State.SELECTED,goog.a11y.aria.Role.MENU_ITEM_CHECKBOX,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.MENU_ITEM_RADIO,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.RADIO,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.TAB,goog.a11y.aria.State.SELECTED,goog.a11y.aria.Role.TREEITEM,
 goog.a11y.aria.State.SELECTED);goog.ui.ControlRenderer.prototype.getAriaRole=function(){};goog.ui.ControlRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom("DIV",this.getClassNames(a).join(" "),a.getContent())};goog.ui.ControlRenderer.prototype.getContentElement=function(a){return a};
 goog.ui.ControlRenderer.prototype.enableClassName=function(a,b,c){if(a=a.getElement?a.getElement():a){var d=[b];goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("7")&&(d=this.getAppliedCombinedClassNames_(goog.dom.classlist.get(a),b),d.push(b));goog.dom.classlist.enableAll(a,d,c)}};goog.ui.ControlRenderer.prototype.enableExtraClassName=function(a,b,c){this.enableClassName(a,b,c)};goog.ui.ControlRenderer.prototype.canDecorate=function(a){return!0};
-goog.ui.ControlRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);var c=this.getContentElement(b);c&&c.firstChild?a.setContentInternal(c.firstChild.nextSibling?goog.array.clone(c.childNodes):c.firstChild):a.setContentInternal(null);var d=0,e=this.getCssClass(),f=this.getStructuralCssClass(),g=!1,h=!1,k=!1,m=goog.array.toArray(goog.dom.classlist.get(b));goog.array.forEach(m,function(a){g||a!=e?h||a!=f?d|=this.getStateFromClass(a):h=!0:(g=!0,f==e&&(h=!0));this.getStateFromClass(a)==goog.ui.Component.State.DISABLED&&
-(goog.asserts.assertElement(c),goog.dom.isFocusableTabIndex(c)&&goog.dom.setFocusableTabIndex(c,!1))},this);a.setStateInternal(d);g||(m.push(e),f==e&&(h=!0));h||m.push(f);var p=a.getExtraClassNames();p&&m.push.apply(m,p);if(goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("7")){var l=this.getAppliedCombinedClassNames_(m);0<l.length&&(m.push.apply(m,l),k=!0)}g&&h&&!p&&!k||goog.dom.classlist.set(b,m.join(" "));return b};
+goog.ui.ControlRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);var c=this.getContentElement(b);c&&c.firstChild?a.setContentInternal(c.firstChild.nextSibling?goog.array.clone(c.childNodes):c.firstChild):a.setContentInternal(null);var d=0,e=this.getCssClass(),f=this.getStructuralCssClass(),g=!1,h=!1,k=!1,l=goog.array.toArray(goog.dom.classlist.get(b));goog.array.forEach(l,function(a){g||a!=e?h||a!=f?d|=this.getStateFromClass(a):h=!0:(g=!0,f==e&&(h=!0));this.getStateFromClass(a)==goog.ui.Component.State.DISABLED&&
+(goog.asserts.assertElement(c),goog.dom.isFocusableTabIndex(c)&&goog.dom.setFocusableTabIndex(c,!1))},this);a.setStateInternal(d);g||(l.push(e),f==e&&(h=!0));h||l.push(f);var n=a.getExtraClassNames();n&&l.push.apply(l,n);if(goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("7")){var m=this.getAppliedCombinedClassNames_(l);0<m.length&&(l.push.apply(l,m),k=!0)}g&&h&&!n&&!k||goog.dom.classlist.set(b,l.join(" "));return b};
 goog.ui.ControlRenderer.prototype.initializeDom=function(a){a.isRightToLeft()&&this.setRightToLeft(a.getElement(),!0);a.isEnabled()&&this.setFocusable(a,a.isVisible())};goog.ui.ControlRenderer.prototype.setAriaRole=function(a,b){var c=b||this.getAriaRole();if(c){goog.asserts.assert(a,"The element passed as a first parameter cannot be null.");var d=goog.a11y.aria.getRole(a);c!=d&&goog.a11y.aria.setRole(a,c)}};
 goog.ui.ControlRenderer.prototype.setAriaStates=function(a,b){goog.asserts.assert(a);goog.asserts.assert(b);var c=a.getAriaLabel();goog.isDefAndNotNull(c)&&this.setAriaLabel(b,c);a.isVisible()||goog.a11y.aria.setState(b,goog.a11y.aria.State.HIDDEN,!a.isVisible());a.isEnabled()||this.updateAriaState(b,goog.ui.Component.State.DISABLED,!a.isEnabled());a.isSupportedState(goog.ui.Component.State.SELECTED)&&this.updateAriaState(b,goog.ui.Component.State.SELECTED,a.isSelected());a.isSupportedState(goog.ui.Component.State.CHECKED)&&
 this.updateAriaState(b,goog.ui.Component.State.CHECKED,a.isChecked());a.isSupportedState(goog.ui.Component.State.OPENED)&&this.updateAriaState(b,goog.ui.Component.State.OPENED,a.isOpen())};goog.ui.ControlRenderer.prototype.setAriaLabel=function(a,b){goog.a11y.aria.setLabel(a,b)};goog.ui.ControlRenderer.prototype.setAllowTextSelection=function(a,b){goog.style.setUnselectable(a,!b,!goog.userAgent.IE&&!goog.userAgent.OPERA)};
@@ -689,13 +690,13 @@ goog.color.isValidColor=function(a){var b=goog.color.prependHashIfNecessaryHelpe
 goog.color.normalizeHex=function(a){if(!goog.color.isValidHexColor_(a))throw Error("'"+a+"' is not a valid hex color");4==a.length&&(a=a.replace(goog.color.hexTripletRe_,"#$1$1$2$2$3$3"));return a.toLowerCase()};goog.color.hexToRgb=function(a){a=goog.color.normalizeHex(a);var b=parseInt(a.substr(1,2),16),c=parseInt(a.substr(3,2),16);a=parseInt(a.substr(5,2),16);return[b,c,a]};
 goog.color.rgbToHex=function(a,b,c){a=Number(a);b=Number(b);c=Number(c);if(a!=(a&255)||b!=(b&255)||c!=(c&255))throw Error('"('+a+","+b+","+c+'") is not a valid RGB color');a=goog.color.prependZeroIfNecessaryHelper(a.toString(16));b=goog.color.prependZeroIfNecessaryHelper(b.toString(16));c=goog.color.prependZeroIfNecessaryHelper(c.toString(16));return"#"+a+b+c};goog.color.rgbArrayToHex=function(a){return goog.color.rgbToHex(a[0],a[1],a[2])};
 goog.color.rgbToHsl=function(a,b,c){a/=255;b/=255;c/=255;var d=Math.max(a,b,c),e=Math.min(a,b,c),f=0,g=0,h=.5*(d+e);d!=e&&(d==a?f=60*(b-c)/(d-e):d==b?f=60*(c-a)/(d-e)+120:d==c&&(f=60*(a-b)/(d-e)+240),g=0<h&&.5>=h?(d-e)/(2*h):(d-e)/(2-2*h));return[Math.round(f+360)%360,g,h]};goog.color.rgbArrayToHsl=function(a){return goog.color.rgbToHsl(a[0],a[1],a[2])};goog.color.hueToRgb_=function(a,b,c){0>c?c+=1:1<c&&--c;return 1>6*c?a+6*(b-a)*c:1>2*c?b:2>3*c?a+(b-a)*(2/3-c)*6:a};
-goog.color.hslToRgb=function(a,b,c){a/=360;if(0==b)c=b=a=255*c;else{var d,e;e=.5>c?c*(1+b):c+b-b*c;d=2*c-e;c=255*goog.color.hueToRgb_(d,e,a+1/3);b=255*goog.color.hueToRgb_(d,e,a);a=255*goog.color.hueToRgb_(d,e,a-1/3)}return[Math.round(c),Math.round(b),Math.round(a)]};goog.color.hslArrayToRgb=function(a){return goog.color.hslToRgb(a[0],a[1],a[2])};goog.color.validHexColorRe_=/^#(?:[0-9a-f]{3}){1,2}$/i;goog.color.isValidHexColor_=function(a){return goog.color.validHexColorRe_.test(a)};
+goog.color.hslToRgb=function(a,b,c){a/=360;if(0==b)c=b=a=255*c;else{var d=.5>c?c*(1+b):c+b-b*c;var e=2*c-d;c=255*goog.color.hueToRgb_(e,d,a+1/3);b=255*goog.color.hueToRgb_(e,d,a);a=255*goog.color.hueToRgb_(e,d,a-1/3)}return[Math.round(c),Math.round(b),Math.round(a)]};goog.color.hslArrayToRgb=function(a){return goog.color.hslToRgb(a[0],a[1],a[2])};goog.color.validHexColorRe_=/^#(?:[0-9a-f]{3}){1,2}$/i;goog.color.isValidHexColor_=function(a){return goog.color.validHexColorRe_.test(a)};
 goog.color.normalizedHexColorRe_=/^#[0-9a-f]{6}$/;goog.color.isNormalizedHexColor_=function(a){return goog.color.normalizedHexColorRe_.test(a)};goog.color.rgbColorRe_=/^(?:rgb)?\((0|[1-9]\d{0,2}),\s?(0|[1-9]\d{0,2}),\s?(0|[1-9]\d{0,2})\)$/i;goog.color.isValidRgbColor_=function(a){var b=a.match(goog.color.rgbColorRe_);if(b){a=Number(b[1]);var c=Number(b[2]),b=Number(b[3]);if(0<=a&&255>=a&&0<=c&&255>=c&&0<=b&&255>=b)return[a,c,b]}return[]};
 goog.color.prependZeroIfNecessaryHelper=function(a){return 1==a.length?"0"+a:a};goog.color.prependHashIfNecessaryHelper=function(a){return"#"==a.charAt(0)?a:"#"+a};goog.color.rgbStyle_=function(a){return"rgb("+a.join(",")+")"};
 goog.color.hsvToRgb=function(a,b,c){var d=0,e=0,f=0;if(0==b)f=e=d=c;else{var g=Math.floor(a/60),h=a/60-g;a=c*(1-b);var k=c*(1-b*h);b=c*(1-b*(1-h));switch(g){case 1:d=k;e=c;f=a;break;case 2:d=a;e=c;f=b;break;case 3:d=a;e=k;f=c;break;case 4:d=b;e=a;f=c;break;case 5:d=c;e=a;f=k;break;case 6:case 0:d=c,e=b,f=a}}return[Math.floor(d),Math.floor(e),Math.floor(f)]};
 goog.color.rgbToHsv=function(a,b,c){var d=Math.max(Math.max(a,b),c),e=Math.min(Math.min(a,b),c);if(e==d)e=a=0;else{var f=d-e,e=f/d;a=60*(a==d?(b-c)/f:b==d?2+(c-a)/f:4+(a-b)/f);0>a&&(a+=360);360<a&&(a-=360)}return[a,e,d]};goog.color.rgbArrayToHsv=function(a){return goog.color.rgbToHsv(a[0],a[1],a[2])};goog.color.hsvArrayToRgb=function(a){return goog.color.hsvToRgb(a[0],a[1],a[2])};goog.color.hexToHsl=function(a){a=goog.color.hexToRgb(a);return goog.color.rgbToHsl(a[0],a[1],a[2])};
 goog.color.hslToHex=function(a,b,c){return goog.color.rgbArrayToHex(goog.color.hslToRgb(a,b,c))};goog.color.hslArrayToHex=function(a){return goog.color.rgbArrayToHex(goog.color.hslToRgb(a[0],a[1],a[2]))};goog.color.hexToHsv=function(a){return goog.color.rgbArrayToHsv(goog.color.hexToRgb(a))};goog.color.hsvToHex=function(a,b,c){return goog.color.rgbArrayToHex(goog.color.hsvToRgb(a,b,c))};goog.color.hsvArrayToHex=function(a){return goog.color.hsvToHex(a[0],a[1],a[2])};
-goog.color.hslDistance=function(a,b){var c,d;c=.5>=a[2]?a[1]*a[2]:a[1]*(1-a[2]);d=.5>=b[2]?b[1]*b[2]:b[1]*(1-b[2]);return(a[2]-b[2])*(a[2]-b[2])+c*c+d*d-2*c*d*Math.cos(2*(a[0]/360-b[0]/360)*Math.PI)};goog.color.blend=function(a,b,c){c=goog.math.clamp(c,0,1);return[Math.round(c*a[0]+(1-c)*b[0]),Math.round(c*a[1]+(1-c)*b[1]),Math.round(c*a[2]+(1-c)*b[2])]};goog.color.darken=function(a,b){return goog.color.blend([0,0,0],a,b)};goog.color.lighten=function(a,b){return goog.color.blend([255,255,255],a,b)};
+goog.color.hslDistance=function(a,b){var c=.5>=a[2]?a[1]*a[2]:a[1]*(1-a[2]);var d=.5>=b[2]?b[1]*b[2]:b[1]*(1-b[2]);return(a[2]-b[2])*(a[2]-b[2])+c*c+d*d-2*c*d*Math.cos(2*(a[0]/360-b[0]/360)*Math.PI)};goog.color.blend=function(a,b,c){c=goog.math.clamp(c,0,1);return[Math.round(c*a[0]+(1-c)*b[0]),Math.round(c*a[1]+(1-c)*b[1]),Math.round(c*a[2]+(1-c)*b[2])]};goog.color.darken=function(a,b){return goog.color.blend([0,0,0],a,b)};goog.color.lighten=function(a,b){return goog.color.blend([255,255,255],a,b)};
 goog.color.highContrast=function(a,b){for(var c=[],d=0;d<b.length;d++)c.push({color:b[d],diff:goog.color.yiqBrightnessDiff_(b[d],a)+goog.color.colorDiff_(b[d],a)});c.sort(function(a,b){return b.diff-a.diff});return c[0].color};goog.color.yiqBrightness_=function(a){return Math.round((299*a[0]+587*a[1]+114*a[2])/1E3)};goog.color.yiqBrightnessDiff_=function(a,b){return Math.abs(goog.color.yiqBrightness_(a)-goog.color.yiqBrightness_(b))};
 goog.color.colorDiff_=function(a,b){return Math.abs(a[0]-b[0])+Math.abs(a[1]-b[1])+Math.abs(a[2]-b[2])};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");};
@@ -709,7 +710,7 @@ goog.iter.equals=function(a,b,c){a=goog.iter.zipLongest({},a,b);var d=c||goog.ar
 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){var d;try{d=c.next(),b=!0}catch(m){if(m!==goog.iter.StopIteration)throw m;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.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};
@@ -721,14 +722,14 @@ goog.iter.combinationsWithReplacement=function(a,b){function c(a){return d[a]}va
 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(){var a;if(this.started_){if(!this.node||this.constrained&&0==this.depth)throw goog.iter.StopIteration;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.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?b.join(" "):null,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,
+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){var e=[];var f=goog.dom.getDomHelper(a);for(var 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_};
@@ -764,30 +765,30 @@ goog.events.FocusHandler.prototype.handleEvent=function(a){var b=a.getBrowserEve
 goog.structs.getKeys=function(a){if(a.getKeys&&"function"==typeof a.getKeys)return a.getKeys();if(!a.getValues||"function"!=typeof a.getValues){if(goog.isArrayLike(a)||goog.isString(a)){var b=[];a=a.length;for(var c=0;c<a;c++)b.push(c);return b}return goog.object.getKeys(a)}};
 goog.structs.contains=function(a,b){return a.contains&&"function"==typeof a.contains?a.contains(b):a.containsValue&&"function"==typeof a.containsValue?a.containsValue(b):goog.isArrayLike(a)||goog.isString(a)?goog.array.contains(a,b):goog.object.containsValue(a,b)};goog.structs.isEmpty=function(a){return a.isEmpty&&"function"==typeof a.isEmpty?a.isEmpty():goog.isArrayLike(a)||goog.isString(a)?goog.array.isEmpty(a):goog.object.isEmpty(a)};
 goog.structs.clear=function(a){a.clear&&"function"==typeof a.clear?a.clear():goog.isArrayLike(a)?goog.array.clear(a):goog.object.clear(a)};goog.structs.forEach=function(a,b,c){if(a.forEach&&"function"==typeof a.forEach)a.forEach(b,c);else if(goog.isArrayLike(a)||goog.isString(a))goog.array.forEach(a,b,c);else for(var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length,g=0;g<f;g++)b.call(c,e[g],d&&d[g],a)};
-goog.structs.filter=function(a,b,c){if("function"==typeof a.filter)return a.filter(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.filter(a,b,c);var d,e=goog.structs.getKeys(a),f=goog.structs.getValues(a),g=f.length;if(e){d={};for(var h=0;h<g;h++)b.call(c,f[h],e[h],a)&&(d[e[h]]=f[h])}else for(d=[],h=0;h<g;h++)b.call(c,f[h],void 0,a)&&d.push(f[h]);return d};
-goog.structs.map=function(a,b,c){if("function"==typeof a.map)return a.map(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.map(a,b,c);var d,e=goog.structs.getKeys(a),f=goog.structs.getValues(a),g=f.length;if(e){d={};for(var h=0;h<g;h++)d[e[h]]=b.call(c,f[h],e[h],a)}else for(d=[],h=0;h<g;h++)d[h]=b.call(c,f[h],void 0,a);return d};
+goog.structs.filter=function(a,b,c){if("function"==typeof a.filter)return a.filter(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.filter(a,b,c);var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length;if(d){var g={};for(var h=0;h<f;h++)b.call(c,e[h],d[h],a)&&(g[d[h]]=e[h])}else for(g=[],h=0;h<f;h++)b.call(c,e[h],void 0,a)&&g.push(e[h]);return g};
+goog.structs.map=function(a,b,c){if("function"==typeof a.map)return a.map(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.map(a,b,c);var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length;if(d){var g={};for(var h=0;h<f;h++)g[d[h]]=b.call(c,e[h],d[h],a)}else for(g=[],h=0;h<f;h++)g[h]=b.call(c,e[h],void 0,a);return g};
 goog.structs.some=function(a,b,c){if("function"==typeof a.some)return a.some(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.some(a,b,c);for(var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length,g=0;g<f;g++)if(b.call(c,e[g],d&&d[g],a))return!0;return!1};
 goog.structs.every=function(a,b,c){if("function"==typeof a.every)return a.every(b,c);if(goog.isArrayLike(a)||goog.isString(a))return goog.array.every(a,b,c);for(var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length,g=0;g<f;g++)if(!b.call(c,e[g],d&&d[g],a))return!1;return!0};goog.structs.Collection=function(){};goog.structs.Map=function(a,b){this.map_={};this.keys_=[];this.version_=this.count_=0;var c=arguments.length;if(1<c){if(c%2)throw Error("Uneven number of arguments");for(var d=0;d<c;d+=2)this.set(arguments[d],arguments[d+1])}else a&&this.addAll(a)};goog.structs.Map.prototype.getCount=function(){return this.count_};goog.structs.Map.prototype.getValues=function(){this.cleanupKeysArray_();for(var a=[],b=0;b<this.keys_.length;b++)a.push(this.map_[this.keys_[b]]);return a};
 goog.structs.Map.prototype.getKeys=function(){this.cleanupKeysArray_();return this.keys_.concat()};goog.structs.Map.prototype.containsKey=function(a){return goog.structs.Map.hasKey_(this.map_,a)};goog.structs.Map.prototype.containsValue=function(a){for(var b=0;b<this.keys_.length;b++){var c=this.keys_[b];if(goog.structs.Map.hasKey_(this.map_,c)&&this.map_[c]==a)return!0}return!1};
 goog.structs.Map.prototype.equals=function(a,b){if(this===a)return!0;if(this.count_!=a.getCount())return!1;var c=b||goog.structs.Map.defaultEquals;this.cleanupKeysArray_();for(var d,e=0;d=this.keys_[e];e++)if(!c(this.get(d),a.get(d)))return!1;return!0};goog.structs.Map.defaultEquals=function(a,b){return a===b};goog.structs.Map.prototype.isEmpty=function(){return 0==this.count_};goog.structs.Map.prototype.clear=function(){this.map_={};this.version_=this.count_=this.keys_.length=0};
 goog.structs.Map.prototype.remove=function(a){return goog.structs.Map.hasKey_(this.map_,a)?(delete this.map_[a],this.count_--,this.version_++,this.keys_.length>2*this.count_&&this.cleanupKeysArray_(),!0):!1};
-goog.structs.Map.prototype.cleanupKeysArray_=function(){if(this.count_!=this.keys_.length){for(var a=0,b=0;a<this.keys_.length;){var c=this.keys_[a];goog.structs.Map.hasKey_(this.map_,c)&&(this.keys_[b++]=c);a++}this.keys_.length=b}if(this.count_!=this.keys_.length){for(var d={},b=a=0;a<this.keys_.length;)c=this.keys_[a],goog.structs.Map.hasKey_(d,c)||(this.keys_[b++]=c,d[c]=1),a++;this.keys_.length=b}};
-goog.structs.Map.prototype.get=function(a,b){return goog.structs.Map.hasKey_(this.map_,a)?this.map_[a]:b};goog.structs.Map.prototype.set=function(a,b){goog.structs.Map.hasKey_(this.map_,a)||(this.count_++,this.keys_.push(a),this.version_++);this.map_[a]=b};goog.structs.Map.prototype.addAll=function(a){var b;a instanceof goog.structs.Map?(b=a.getKeys(),a=a.getValues()):(b=goog.object.getKeys(a),a=goog.object.getValues(a));for(var c=0;c<b.length;c++)this.set(b[c],a[c])};
+goog.structs.Map.prototype.cleanupKeysArray_=function(){var a,b;if(this.count_!=this.keys_.length){for(a=b=0;b<this.keys_.length;){var c=this.keys_[b];goog.structs.Map.hasKey_(this.map_,c)&&(this.keys_[a++]=c);b++}this.keys_.length=a}if(this.count_!=this.keys_.length){var d={};for(a=b=0;b<this.keys_.length;)c=this.keys_[b],goog.structs.Map.hasKey_(d,c)||(this.keys_[a++]=c,d[c]=1),b++;this.keys_.length=a}};
+goog.structs.Map.prototype.get=function(a,b){return goog.structs.Map.hasKey_(this.map_,a)?this.map_[a]:b};goog.structs.Map.prototype.set=function(a,b){goog.structs.Map.hasKey_(this.map_,a)||(this.count_++,this.keys_.push(a),this.version_++);this.map_[a]=b};goog.structs.Map.prototype.addAll=function(a){if(a instanceof goog.structs.Map){var b=a.getKeys();a=a.getValues()}else b=goog.object.getKeys(a),a=goog.object.getValues(a);for(var c=0;c<b.length;c++)this.set(b[c],a[c])};
 goog.structs.Map.prototype.forEach=function(a,b){for(var c=this.getKeys(),d=0;d<c.length;d++){var e=c[d],f=this.get(e);a.call(b,f,e,this)}};goog.structs.Map.prototype.clone=function(){return new goog.structs.Map(this)};goog.structs.Map.prototype.transpose=function(){for(var a=new goog.structs.Map,b=0;b<this.keys_.length;b++){var c=this.keys_[b];a.set(this.map_[c],c)}return a};
 goog.structs.Map.prototype.toObject=function(){this.cleanupKeysArray_();for(var a={},b=0;b<this.keys_.length;b++){var c=this.keys_[b];a[c]=this.map_[c]}return a};goog.structs.Map.prototype.getKeyIterator=function(){return this.__iterator__(!0)};goog.structs.Map.prototype.getValueIterator=function(){return this.__iterator__(!1)};
 goog.structs.Map.prototype.__iterator__=function(a){this.cleanupKeysArray_();var b=0,c=this.version_,d=this,e=new goog.iter.Iterator;e.next=function(){if(c!=d.version_)throw Error("The map has changed since the iterator was created");if(b>=d.keys_.length)throw goog.iter.StopIteration;var e=d.keys_[b++];return a?e:d.map_[e]};return e};goog.structs.Map.hasKey_=function(a,b){return Object.prototype.hasOwnProperty.call(a,b)};goog.structs.Set=function(a){this.map_=new goog.structs.Map;a&&this.addAll(a)};goog.structs.Set.getKey_=function(a){var b=typeof a;return"object"==b&&a||"function"==b?"o"+goog.getUid(a):b.substr(0,1)+a};goog.structs.Set.prototype.getCount=function(){return this.map_.getCount()};goog.structs.Set.prototype.add=function(a){this.map_.set(goog.structs.Set.getKey_(a),a)};goog.structs.Set.prototype.addAll=function(a){a=goog.structs.getValues(a);for(var b=a.length,c=0;c<b;c++)this.add(a[c])};
 goog.structs.Set.prototype.removeAll=function(a){a=goog.structs.getValues(a);for(var b=a.length,c=0;c<b;c++)this.remove(a[c])};goog.structs.Set.prototype.remove=function(a){return this.map_.remove(goog.structs.Set.getKey_(a))};goog.structs.Set.prototype.clear=function(){this.map_.clear()};goog.structs.Set.prototype.isEmpty=function(){return this.map_.isEmpty()};goog.structs.Set.prototype.contains=function(a){return this.map_.containsKey(goog.structs.Set.getKey_(a))};
 goog.structs.Set.prototype.containsAll=function(a){return goog.structs.every(a,this.contains,this)};goog.structs.Set.prototype.intersection=function(a){var b=new goog.structs.Set;a=goog.structs.getValues(a);for(var c=0;c<a.length;c++){var d=a[c];this.contains(d)&&b.add(d)}return b};goog.structs.Set.prototype.difference=function(a){var b=this.clone();b.removeAll(a);return b};goog.structs.Set.prototype.getValues=function(){return this.map_.getValues()};goog.structs.Set.prototype.clone=function(){return new goog.structs.Set(this)};
-goog.structs.Set.prototype.equals=function(a){return this.getCount()==goog.structs.getCount(a)&&this.isSubsetOf(a)};goog.structs.Set.prototype.isSubsetOf=function(a){var b=goog.structs.getCount(a);if(this.getCount()>b)return!1;!(a instanceof goog.structs.Set)&&5<b&&(a=new goog.structs.Set(a));return goog.structs.every(this,function(b){return goog.structs.contains(a,b)})};goog.structs.Set.prototype.__iterator__=function(a){return this.map_.__iterator__(!1)};goog.debug.LOGGING_ENABLED=goog.DEBUG;goog.debug.FORCE_SLOPPY_STACKS=!1;goog.debug.catchErrors=function(a,b,c){c=c||goog.global;var d=c.onerror,e=!!b;goog.userAgent.WEBKIT&&!goog.userAgent.isVersionOrHigher("535.3")&&(e=!e);c.onerror=function(b,c,h,k,m){d&&d(b,c,h,k,m);a({message:b,fileName:c,line:h,col:k,error:m});return e}};
+goog.structs.Set.prototype.equals=function(a){return this.getCount()==goog.structs.getCount(a)&&this.isSubsetOf(a)};goog.structs.Set.prototype.isSubsetOf=function(a){var b=goog.structs.getCount(a);if(this.getCount()>b)return!1;!(a instanceof goog.structs.Set)&&5<b&&(a=new goog.structs.Set(a));return goog.structs.every(this,function(b){return goog.structs.contains(a,b)})};goog.structs.Set.prototype.__iterator__=function(a){return this.map_.__iterator__(!1)};goog.debug.LOGGING_ENABLED=goog.DEBUG;goog.debug.FORCE_SLOPPY_STACKS=!1;goog.debug.catchErrors=function(a,b,c){c=c||goog.global;var d=c.onerror,e=!!b;goog.userAgent.WEBKIT&&!goog.userAgent.isVersionOrHigher("535.3")&&(e=!e);c.onerror=function(b,c,h,k,l){d&&d(b,c,h,k,l);a({message:b,fileName:c,line:h,col:k,error:l});return e}};
 goog.debug.expose=function(a,b){if("undefined"==typeof a)return"undefined";if(null==a)return"NULL";var c=[],d;for(d in a)if(b||!goog.isFunction(a[d])){var e=d+" = ";try{e+=a[d]}catch(f){e+="*** "+f+" ***"}c.push(e)}return c.join("\n")};
-goog.debug.deepExpose=function(a,b){var c=[],d=function(a,f,g){var e=f+"  ";g=new goog.structs.Set(g);try{if(goog.isDef(a))if(goog.isNull(a))c.push("NULL");else if(goog.isString(a))c.push('"'+a.replace(/\n/g,"\n"+f)+'"');else if(goog.isFunction(a))c.push(String(a).replace(/\n/g,"\n"+f));else if(goog.isObject(a))if(g.contains(a))c.push("*** reference loop detected ***");else{g.add(a);c.push("{");for(var k in a)if(b||!goog.isFunction(a[k]))c.push("\n"),c.push(e),c.push(k+" = "),d(a[k],e,g);c.push("\n"+
-f+"}")}else c.push(a);else c.push("undefined")}catch(m){c.push("*** "+m+" ***")}};d(a,"",new goog.structs.Set);return c.join("")};goog.debug.exposeArray=function(a){for(var b=[],c=0;c<a.length;c++)goog.isArray(a[c])?b.push(goog.debug.exposeArray(a[c])):b.push(a[c]);return"[ "+b.join(", ")+" ]"};
-goog.debug.normalizeErrorObject=function(a){var b=goog.getObjectByName("window.location.href");if(goog.isString(a))return{message:a,name:"Unknown error",lineNumber:"Not available",fileName:b,stack:"Not available"};var c,d,e=!1;try{c=a.lineNumber||a.line||"Not available"}catch(f){c="Not available",e=!0}try{d=a.fileName||a.filename||a.sourceURL||goog.global.$googDebugFname||b}catch(f){d="Not available",e=!0}return!e&&a.lineNumber&&a.fileName&&a.stack&&a.message&&a.name?a:{message:a.message||"Not available",
-name:a.name||"UnknownError",lineNumber:c,fileName:d,stack:a.stack||"Not available"}};goog.debug.enhanceError=function(a,b){var c;a instanceof Error?c=a:(c=Error(a),Error.captureStackTrace&&Error.captureStackTrace(c,goog.debug.enhanceError));c.stack||(c.stack=goog.debug.getStacktrace(goog.debug.enhanceError));if(b){for(var d=0;c["message"+d];)++d;c["message"+d]=String(b)}return c};
+goog.debug.deepExpose=function(a,b){var c=[],d=[],e={},f=function(a,g){var h=g+"  ";try{if(goog.isDef(a))if(goog.isNull(a))c.push("NULL");else if(goog.isString(a))c.push('"'+a.replace(/\n/g,"\n"+g)+'"');else if(goog.isFunction(a))c.push(String(a).replace(/\n/g,"\n"+g));else if(goog.isObject(a)){goog.hasUid(a)||d.push(a);var k=goog.getUid(a);if(e[k])c.push("*** reference loop detected (id="+k+") ***");else{e[k]=!0;c.push("{");for(var m in a)if(b||!goog.isFunction(a[m]))c.push("\n"),c.push(h),c.push(m+
+" = "),f(a[m],h);c.push("\n"+g+"}");delete e[k]}}else c.push(a);else c.push("undefined")}catch(q){c.push("*** "+q+" ***")}};f(a,"");for(var g=0;g<d.length;g++)goog.removeUid(d[g]);return c.join("")};goog.debug.exposeArray=function(a){for(var b=[],c=0;c<a.length;c++)goog.isArray(a[c])?b.push(goog.debug.exposeArray(a[c])):b.push(a[c]);return"[ "+b.join(", ")+" ]"};
+goog.debug.normalizeErrorObject=function(a){var b=goog.getObjectByName("window.location.href");if(goog.isString(a))return{message:a,name:"Unknown error",lineNumber:"Not available",fileName:b,stack:"Not available"};var c=!1;try{var d=a.lineNumber||a.line||"Not available"}catch(f){d="Not available",c=!0}try{var e=a.fileName||a.filename||a.sourceURL||goog.global.$googDebugFname||b}catch(f){e="Not available",c=!0}return!c&&a.lineNumber&&a.fileName&&a.stack&&a.message&&a.name?a:{message:a.message||"Not available",
+name:a.name||"UnknownError",lineNumber:d,fileName:e,stack:a.stack||"Not available"}};goog.debug.enhanceError=function(a,b){if(a instanceof Error)var c=a;else c=Error(a),Error.captureStackTrace&&Error.captureStackTrace(c,goog.debug.enhanceError);c.stack||(c.stack=goog.debug.getStacktrace(goog.debug.enhanceError));if(b){for(var d=0;c["message"+d];)++d;c["message"+d]=String(b)}return c};
 goog.debug.getStacktraceSimple=function(a){if(!goog.debug.FORCE_SLOPPY_STACKS){var b=goog.debug.getNativeStackTrace_(goog.debug.getStacktraceSimple);if(b)return b}for(var b=[],c=arguments.callee.caller,d=0;c&&(!a||d<a);){b.push(goog.debug.getFunctionName(c));b.push("()\n");try{c=c.caller}catch(e){b.push("[exception trying to get caller]\n");break}d++;if(d>=goog.debug.MAX_STACK_DEPTH){b.push("[...long stack...]");break}}a&&d>=a?b.push("[...reached max depth limit...]"):b.push("[end]");return b.join("")};
 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;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.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.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.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_};
@@ -830,13 +831,13 @@ goog.ui.tree.BaseNode.prototype.getChildren=function(){var a=[];this.forEachChil
 goog.ui.tree.BaseNode.prototype.isLastSibling=function(){return!this.nextSibling_};goog.ui.tree.BaseNode.prototype.isSelected=function(){return this.selected_};goog.ui.tree.BaseNode.prototype.select=function(){var a=this.getTree();a&&a.setSelectedItem(this)};goog.ui.tree.BaseNode.prototype.deselect=goog.nullFunction;
 goog.ui.tree.BaseNode.prototype.setSelectedInternal=function(a){if(this.selected_!=a){this.selected_=a;this.updateRow();var b=this.getElement();b&&(goog.a11y.aria.setState(b,"selected",a),a&&(a=this.getTree().getElement(),goog.asserts.assert(a,"The DOM element for the tree cannot be null"),goog.a11y.aria.setState(a,"activedescendant",this.getId())))}};goog.ui.tree.BaseNode.prototype.getExpanded=function(){return this.expanded_};
 goog.ui.tree.BaseNode.prototype.setExpandedInternal=function(a){this.expanded_=a};
-goog.ui.tree.BaseNode.prototype.setExpanded=function(a){var b=a!=this.expanded_;if(!b||this.dispatchEvent(a?goog.ui.tree.BaseNode.EventType.BEFORE_EXPAND:goog.ui.tree.BaseNode.EventType.BEFORE_COLLAPSE)){var c;this.expanded_=a;c=this.getTree();var d=this.getElement();if(this.hasChildren()){if(!a&&c&&this.contains(c.getSelectedItem())&&this.select(),d){if(c=this.getChildrenElement())if(goog.style.setElementShown(c,a),goog.a11y.aria.setState(d,goog.a11y.aria.State.EXPANDED,a),a&&this.isInDocument()&&
+goog.ui.tree.BaseNode.prototype.setExpanded=function(a){var b=a!=this.expanded_;if(!b||this.dispatchEvent(a?goog.ui.tree.BaseNode.EventType.BEFORE_EXPAND:goog.ui.tree.BaseNode.EventType.BEFORE_COLLAPSE)){this.expanded_=a;var c=this.getTree();var d=this.getElement();if(this.hasChildren()){if(!a&&c&&this.contains(c.getSelectedItem())&&this.select(),d){if(c=this.getChildrenElement())if(goog.style.setElementShown(c,a),goog.a11y.aria.setState(d,goog.a11y.aria.State.EXPANDED,a),a&&this.isInDocument()&&
 !c.hasChildNodes()){var e=[];this.forEachChild(function(a){e.push(a.toSafeHtml())});goog.dom.safe.setInnerHtml(c,goog.html.SafeHtml.concat(e));this.forEachChild(function(a){a.enterDocument()})}this.updateExpandIcon()}}else(c=this.getChildrenElement())&&goog.style.setElementShown(c,!1);d&&this.updateIcon_();b&&this.dispatchEvent(a?goog.ui.tree.BaseNode.EventType.EXPAND:goog.ui.tree.BaseNode.EventType.COLLAPSE)}};goog.ui.tree.BaseNode.prototype.toggle=function(){this.setExpanded(!this.getExpanded())};
 goog.ui.tree.BaseNode.prototype.expand=function(){this.setExpanded(!0)};goog.ui.tree.BaseNode.prototype.collapse=function(){this.setExpanded(!1)};goog.ui.tree.BaseNode.prototype.collapseChildren=function(){this.forEachChild(function(a){a.collapseAll()})};goog.ui.tree.BaseNode.prototype.collapseAll=function(){this.collapseChildren();this.collapse()};goog.ui.tree.BaseNode.prototype.expandChildren=function(){this.forEachChild(function(a){a.expandAll()})};
 goog.ui.tree.BaseNode.prototype.expandAll=function(){this.expandChildren();this.expand()};goog.ui.tree.BaseNode.prototype.reveal=function(){var a=this.getParent();a&&(a.setExpanded(!0),a.reveal())};goog.ui.tree.BaseNode.prototype.setIsUserCollapsible=function(a){(this.isUserCollapsible_=a)||this.expand();this.getElement()&&this.updateExpandIcon()};goog.ui.tree.BaseNode.prototype.isUserCollapsible=function(){return this.isUserCollapsible_};
 goog.ui.tree.BaseNode.prototype.toSafeHtml=function(){var a=this.getTree(),b=!a.getShowLines()||a==this.getParent()&&!a.getShowRootLines()?this.config_.cssChildrenNoLines:this.config_.cssChildren,a=this.getExpanded()&&this.hasChildren(),b={"class":b,style:this.getLineStyle()},c=[];a&&this.forEachChild(function(a){c.push(a.toSafeHtml())});a=goog.html.SafeHtml.create("div",b,c);return goog.html.SafeHtml.create("div",{"class":this.config_.cssItem,id:this.getId()},[this.getRowSafeHtml(),a])};
 goog.ui.tree.BaseNode.prototype.getPixelIndent_=function(){return Math.max(0,(this.getDepth()-1)*this.config_.indentWidth)};goog.ui.tree.BaseNode.prototype.getRowSafeHtml=function(){var a={};a["padding-"+(this.isRightToLeft()?"right":"left")]=this.getPixelIndent_()+"px";var a={"class":this.getRowClassName(),style:a},b=[this.getExpandIconSafeHtml(),this.getIconSafeHtml(),this.getLabelSafeHtml()];return goog.html.SafeHtml.create("div",a,b)};
-goog.ui.tree.BaseNode.prototype.getRowClassName=function(){var a;a=this.isSelected()?" "+this.config_.cssSelectedRow:"";return this.config_.cssTreeRow+a};goog.ui.tree.BaseNode.prototype.getLabelSafeHtml=function(){var a=goog.html.SafeHtml.create("span",{"class":this.config_.cssItemLabel,title:this.getToolTip()||null},this.getSafeHtml());return goog.html.SafeHtml.concat(a,goog.html.SafeHtml.create("span",{},this.getAfterLabelSafeHtml()))};goog.ui.tree.BaseNode.prototype.getAfterLabelHtml=function(){return goog.html.SafeHtml.unwrap(this.getAfterLabelSafeHtml())};
+goog.ui.tree.BaseNode.prototype.getRowClassName=function(){var a=this.isSelected()?" "+this.config_.cssSelectedRow:"";return this.config_.cssTreeRow+a};goog.ui.tree.BaseNode.prototype.getLabelSafeHtml=function(){var a=goog.html.SafeHtml.create("span",{"class":this.config_.cssItemLabel,title:this.getToolTip()||null},this.getSafeHtml());return goog.html.SafeHtml.concat(a,goog.html.SafeHtml.create("span",{},this.getAfterLabelSafeHtml()))};goog.ui.tree.BaseNode.prototype.getAfterLabelHtml=function(){return goog.html.SafeHtml.unwrap(this.getAfterLabelSafeHtml())};
 goog.ui.tree.BaseNode.prototype.getAfterLabelSafeHtml=function(){return this.afterLabelHtml_};goog.ui.tree.BaseNode.prototype.setAfterLabelSafeHtml=function(a){this.afterLabelHtml_=a;var b=this.getAfterLabelElement();b&&goog.dom.safe.setInnerHtml(b,a)};goog.ui.tree.BaseNode.prototype.getIconSafeHtml=function(){return goog.html.SafeHtml.create("span",{style:{display:"inline-block"},"class":this.getCalculatedIconClass()})};goog.ui.tree.BaseNode.prototype.getCalculatedIconClass=goog.abstractMethod;
 goog.ui.tree.BaseNode.prototype.getExpandIconSafeHtml=function(){return goog.html.SafeHtml.create("span",{type:"expand",style:{display:"inline-block"},"class":this.getExpandIconClass()})};
 goog.ui.tree.BaseNode.prototype.getExpandIconClass=function(){var a=this.getTree(),b=!a.getShowLines()||a==this.getParent()&&!a.getShowRootLines(),c=this.config_,d=new goog.string.StringBuffer;d.append(c.cssTreeIcon," ",c.cssExpandTreeIcon," ");if(this.hasChildren()){var e=0;a.getShowExpandIcons()&&this.isUserCollapsible_&&(e=this.getExpanded()?2:1);b||(e=this.isLastSibling()?e+4:e+8);switch(e){case 1:d.append(c.cssExpandTreeIconPlus);break;case 2:d.append(c.cssExpandTreeIconMinus);break;case 4:d.append(c.cssExpandTreeIconL);
@@ -849,8 +850,8 @@ goog.ui.tree.BaseNode.prototype.getText=function(){return goog.string.unescapeEn
 goog.ui.tree.BaseNode.prototype.setToolTip=function(a){this.toolTip_=a;var b=this.getLabelElement();b&&(b.title=a)};goog.ui.tree.BaseNode.prototype.getToolTip=function(){return this.toolTip_};goog.ui.tree.BaseNode.prototype.updateRow=function(){var a=this.getRowElement();a&&(a.className=this.getRowClassName())};
 goog.ui.tree.BaseNode.prototype.updateExpandIcon=function(){var a=this.getExpandIconElement();a&&(a.className=this.getExpandIconClass());if(a=this.getChildrenElement())a.style.backgroundPosition=this.getBackgroundPosition()};goog.ui.tree.BaseNode.prototype.updateIcon_=function(){this.getIconElement().className=this.getCalculatedIconClass()};
 goog.ui.tree.BaseNode.prototype.onMouseDown=function(a){"expand"==a.target.getAttribute("type")&&this.hasChildren()?this.isUserCollapsible_&&this.toggle():(this.select(),this.updateRow())};goog.ui.tree.BaseNode.prototype.onClick_=goog.events.Event.preventDefault;goog.ui.tree.BaseNode.prototype.onDoubleClick_=function(a){"expand"==a.target.getAttribute("type")&&this.hasChildren()||this.isUserCollapsible_&&this.toggle()};
-goog.ui.tree.BaseNode.prototype.onKeyDown=function(a){var b=!0;switch(a.keyCode){case goog.events.KeyCodes.RIGHT:if(a.altKey)break;this.hasChildren()&&(this.getExpanded()?this.getFirstChild().select():this.setExpanded(!0));break;case goog.events.KeyCodes.LEFT:if(a.altKey)break;if(this.hasChildren()&&this.getExpanded()&&this.isUserCollapsible_)this.setExpanded(!1);else{var c=this.getParent(),d=this.getTree();c&&(d.getShowRootNode()||c!=d)&&c.select()}break;case goog.events.KeyCodes.DOWN:(c=this.getNextShownNode())&&
-c.select();break;case goog.events.KeyCodes.UP:(c=this.getPreviousShownNode())&&c.select();break;default:b=!1}b&&(a.preventDefault(),(d=this.getTree())&&d.clearTypeAhead());return b};goog.ui.tree.BaseNode.prototype.getLastShownDescendant=function(){return this.getExpanded()&&this.hasChildren()?this.getLastChild().getLastShownDescendant():this};
+goog.ui.tree.BaseNode.prototype.onKeyDown=function(a){var b=!0;switch(a.keyCode){case goog.events.KeyCodes.RIGHT:if(a.altKey)break;this.hasChildren()&&(this.getExpanded()?this.getFirstChild().select():this.setExpanded(!0));break;case goog.events.KeyCodes.LEFT:if(a.altKey)break;if(this.hasChildren()&&this.getExpanded()&&this.isUserCollapsible_)this.setExpanded(!1);else{var c=this.getParent();var d=this.getTree();c&&(d.getShowRootNode()||c!=d)&&c.select()}break;case goog.events.KeyCodes.DOWN:(d=this.getNextShownNode())&&
+d.select();break;case goog.events.KeyCodes.UP:(d=this.getPreviousShownNode())&&d.select();break;default:b=!1}b&&(a.preventDefault(),(d=this.getTree())&&d.clearTypeAhead());return b};goog.ui.tree.BaseNode.prototype.getLastShownDescendant=function(){return this.getExpanded()&&this.hasChildren()?this.getLastChild().getLastShownDescendant():this};
 goog.ui.tree.BaseNode.prototype.getNextShownNode=function(){if(this.hasChildren()&&this.getExpanded())return this.getFirstChild();for(var a=this,b;a!=this.getTree();){b=a.getNextSibling();if(null!=b)return b;a=a.getParent()}return null};goog.ui.tree.BaseNode.prototype.getPreviousShownNode=function(){var a=this.getPreviousSibling();if(null!=a)return a.getLastShownDescendant();var a=this.getParent(),b=this.getTree();return!b.getShowRootNode()&&a==b||this==b?null:a};
 goog.ui.tree.BaseNode.prototype.getClientData=goog.ui.tree.BaseNode.prototype.getModel;goog.ui.tree.BaseNode.prototype.setClientData=goog.ui.tree.BaseNode.prototype.setModel;goog.ui.tree.BaseNode.prototype.getConfig=function(){return this.config_};goog.ui.tree.BaseNode.prototype.setTreeInternal=function(a){this.tree!=a&&(this.tree=a,a.setNode(this),this.forEachChild(function(b){b.setTreeInternal(a)}))};
 goog.ui.tree.BaseNode.defaultConfig={indentWidth:19,cssRoot:"goog-tree-root goog-tree-item",cssHideRoot:"goog-tree-hide-root",cssItem:"goog-tree-item",cssChildren:"goog-tree-children",cssChildrenNoLines:"goog-tree-children-nolines",cssTreeRow:"goog-tree-row",cssItemLabel:"goog-tree-item-label",cssTreeIcon:"goog-tree-icon",cssExpandTreeIcon:"goog-tree-expand-icon",cssExpandTreeIconPlus:"goog-tree-expand-icon-plus",cssExpandTreeIconMinus:"goog-tree-expand-icon-minus",cssExpandTreeIconTPlus:"goog-tree-expand-icon-tplus",
@@ -862,7 +863,7 @@ goog.structs.Trie.prototype.getChildNode_=function(a){for(var b=this,c=0;c<a.len
 goog.structs.Trie.prototype.getValues=function(){var a=[];this.getValuesInternal_(a);return a};goog.structs.Trie.prototype.getValuesInternal_=function(a){void 0!==this.value_&&a.push(this.value_);for(var b in this.childNodes_)this.childNodes_[b].getValuesInternal_(a)};goog.structs.Trie.prototype.getKeys=function(a){var b=[];if(a){for(var c=this,d=0;d<a.length;d++){var e=a.charAt(d);if(!c.childNodes_[e])return[];c=c.childNodes_[e]}c.getKeysInternal_(a,b)}else this.getKeysInternal_("",b);return b};
 goog.structs.Trie.prototype.getKeysInternal_=function(a,b){void 0!==this.value_&&b.push(a);for(var c in this.childNodes_)this.childNodes_[c].getKeysInternal_(a+c,b)};goog.structs.Trie.prototype.containsKey=function(a){return void 0!==this.get(a)};goog.structs.Trie.prototype.containsPrefix=function(a){return 0==a.length?!this.isEmpty():!!this.getChildNode_(a)};
 goog.structs.Trie.prototype.containsValue=function(a){if(this.value_===a)return!0;for(var b in this.childNodes_)if(this.childNodes_[b].containsValue(a))return!0;return!1};goog.structs.Trie.prototype.clear=function(){this.childNodes_={};this.value_=void 0};
-goog.structs.Trie.prototype.remove=function(a){for(var b=this,c=[],d=0;d<a.length;d++){var e=a.charAt(d);if(!b.childNodes_[e])throw Error('The collection does not have the key "'+a+'"');c.push([b,e]);b=b.childNodes_[e]}a=b.value_;for(delete b.value_;0<c.length;)if(e=c.pop(),b=e[0],e=e[1],b.childNodes_[e].isEmpty())delete b.childNodes_[e];else break;return a};goog.structs.Trie.prototype.clone=function(){return new goog.structs.Trie(this)};goog.structs.Trie.prototype.getCount=function(){return goog.structs.getCount(this.getValues())};
+goog.structs.Trie.prototype.remove=function(a){for(var b,c=this,d=[],e=0;e<a.length;e++){b=a.charAt(e);if(!c.childNodes_[b])throw Error('The collection does not have the key "'+a+'"');d.push([c,b]);c=c.childNodes_[b]}a=c.value_;for(delete c.value_;0<d.length;)if(b=d.pop(),c=b[0],b=b[1],c.childNodes_[b].isEmpty())delete c.childNodes_[b];else break;return a};goog.structs.Trie.prototype.clone=function(){return new goog.structs.Trie(this)};goog.structs.Trie.prototype.getCount=function(){return goog.structs.getCount(this.getValues())};
 goog.structs.Trie.prototype.isEmpty=function(){return void 0===this.value_&&goog.object.isEmpty(this.childNodes_)};goog.ui.tree.TypeAhead=function(){this.nodeMap_=new goog.structs.Trie;this.buffer_="";this.matchingNodes_=this.matchingLabels_=null;this.matchingNodeIndex_=this.matchingLabelIndex_=0};goog.ui.tree.TypeAhead.Offset={DOWN:1,UP:-1};
 goog.ui.tree.TypeAhead.prototype.handleNavigation=function(a){var b=!1;switch(a.keyCode){case goog.events.KeyCodes.DOWN:case goog.events.KeyCodes.UP:a.ctrlKey&&(this.jumpTo_(a.keyCode==goog.events.KeyCodes.DOWN?goog.ui.tree.TypeAhead.Offset.DOWN:goog.ui.tree.TypeAhead.Offset.UP),b=!0);break;case goog.events.KeyCodes.BACKSPACE:a=this.buffer_.length-1;b=!0;0<a?(this.buffer_=this.buffer_.substring(0,a),this.jumpToLabel_(this.buffer_)):0==a?this.buffer_="":b=!1;break;case goog.events.KeyCodes.ESC:this.buffer_=
 "",b=!0}return b};goog.ui.tree.TypeAhead.prototype.handleTypeAheadChar=function(a){var b=!1;a.ctrlKey||a.altKey||(a=String.fromCharCode(a.charCode||a.keyCode).toLowerCase(),goog.string.isUnicodeChar(a)&&(" "!=a||this.buffer_)&&(this.buffer_+=a,b=this.jumpToLabel_(this.buffer_)));return b};
@@ -870,7 +871,7 @@ goog.ui.tree.TypeAhead.prototype.setNodeInMap=function(a){var b=a.getText();if(b
 goog.ui.tree.TypeAhead.prototype.removeNodeFromMap=function(a){var b=a.getText();if(b&&!goog.string.isEmptyOrWhitespace(goog.string.makeSafe(b))){var b=b.toLowerCase(),c=this.nodeMap_.get(b);if(c){for(var d=a.getChildCount(),e=0;e<d;e++)this.removeNodeFromMap(a.getChildAt(e));goog.array.remove(c,a);c.length||this.nodeMap_.remove(b)}}};
 goog.ui.tree.TypeAhead.prototype.jumpToLabel_=function(a){var b=!1;(a=this.nodeMap_.getKeys(a))&&a.length&&(this.matchingLabelIndex_=this.matchingNodeIndex_=0,b=this.nodeMap_.get(a[0]),b=this.selectMatchingNode_(b))&&(this.matchingLabels_=a);return b};
 goog.ui.tree.TypeAhead.prototype.jumpTo_=function(a){var b=!1,c=this.matchingLabels_;if(c){var b=null,d=!1;if(this.matchingNodes_){var e=this.matchingNodeIndex_+a;0<=e&&e<this.matchingNodes_.length?(this.matchingNodeIndex_=e,b=this.matchingNodes_):d=!0}b||(e=this.matchingLabelIndex_+a,0<=e&&e<c.length&&(this.matchingLabelIndex_=e),c.length>this.matchingLabelIndex_&&(b=this.nodeMap_.get(c[this.matchingLabelIndex_])),b&&b.length&&d&&(this.matchingNodeIndex_=a==goog.ui.tree.TypeAhead.Offset.UP?b.length-
-1:0));if(b=this.selectMatchingNode_(b))this.matchingLabels_=c}return b};goog.ui.tree.TypeAhead.prototype.selectMatchingNode_=function(a){var b;a&&(this.matchingNodeIndex_<a.length&&(b=a[this.matchingNodeIndex_],this.matchingNodes_=a),b&&(b.reveal(),b.select()));return!!b};goog.ui.tree.TypeAhead.prototype.clear=function(){this.buffer_=""};goog.ui.tree.TreeControl=function(a,b,c){goog.ui.tree.BaseNode.call(this,a,b,c);this.setExpandedInternal(!0);this.setSelectedInternal(!0);this.selectedItem_=this;this.typeAhead_=new goog.ui.tree.TypeAhead;this.focusHandler_=this.keyHandler_=null;this.logger_=goog.log.getLogger("this");this.focused_=!1;this.focusedNode_=null;this.showRootLines_=this.showRootNode_=this.showExpandIcons_=this.showLines_=!0;if(goog.userAgent.IE)try{document.execCommand("BackgroundImageCache",!1,!0)}catch(d){goog.log.warning(this.logger_,
+1:0));if(b=this.selectMatchingNode_(b))this.matchingLabels_=c}return b};goog.ui.tree.TypeAhead.prototype.selectMatchingNode_=function(a){if(a){if(this.matchingNodeIndex_<a.length){var b=a[this.matchingNodeIndex_];this.matchingNodes_=a}b&&(b.reveal(),b.select())}return!!b};goog.ui.tree.TypeAhead.prototype.clear=function(){this.buffer_=""};goog.ui.tree.TreeControl=function(a,b,c){goog.ui.tree.BaseNode.call(this,a,b,c);this.setExpandedInternal(!0);this.setSelectedInternal(!0);this.selectedItem_=this;this.typeAhead_=new goog.ui.tree.TypeAhead;this.focusHandler_=this.keyHandler_=null;this.logger_=goog.log.getLogger("this");this.focused_=!1;this.focusedNode_=null;this.showRootLines_=this.showRootNode_=this.showExpandIcons_=this.showLines_=!0;if(goog.userAgent.IE)try{document.execCommand("BackgroundImageCache",!1,!0)}catch(d){goog.log.warning(this.logger_,
 "Failed to enable background image cache")}};goog.inherits(goog.ui.tree.TreeControl,goog.ui.tree.BaseNode);goog.ui.tree.TreeControl.prototype.getTree=function(){return this};goog.ui.tree.TreeControl.prototype.getDepth=function(){return 0};goog.ui.tree.TreeControl.prototype.reveal=function(){};goog.ui.tree.TreeControl.prototype.handleFocus_=function(a){this.focused_=!0;goog.dom.classlist.add(goog.asserts.assert(this.getElement()),"focused");this.selectedItem_&&this.selectedItem_.select()};
 goog.ui.tree.TreeControl.prototype.handleBlur_=function(a){this.focused_=!1;goog.dom.classlist.remove(goog.asserts.assert(this.getElement()),"focused")};goog.ui.tree.TreeControl.prototype.hasFocus=function(){return this.focused_};goog.ui.tree.TreeControl.prototype.getExpanded=function(){return!this.showRootNode_||goog.ui.tree.TreeControl.superClass_.getExpanded.call(this)};
 goog.ui.tree.TreeControl.prototype.setExpanded=function(a){this.showRootNode_?goog.ui.tree.TreeControl.superClass_.setExpanded.call(this,a):this.setExpandedInternal(a)};goog.ui.tree.TreeControl.prototype.getExpandIconSafeHtml=function(){return goog.html.SafeHtml.EMPTY};goog.ui.tree.TreeControl.prototype.getIconElement=function(){var a=this.getRowElement();return a?a.firstChild:null};goog.ui.tree.TreeControl.prototype.getExpandIconElement=function(){return null};
@@ -904,7 +905,7 @@ Blockly.Workspace.prototype.dispose=function(){this.listeners_.length=0;this.cle
 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){var d=a.getRelativeToSurfaceXY(),e=b.getRelativeToSurfaceXY();return d.y+c*d.x-(e.y+c*e.x)})}return b};
 Blockly.Workspace.prototype.getAllBlocks=function(){for(var a=this.getTopBlocks(!1),b=0;b<a.length;b++)a.push.apply(a,a[b].getChildren());return a};Blockly.Workspace.prototype.clear=function(){var a=Blockly.Events.getGroup();for(a||Blockly.Events.setGroup(!0);this.topBlocks_.length;)this.topBlocks_[0].dispose();a||Blockly.Events.setGroup(!1);this.variableList.length=0};
 Blockly.Workspace.prototype.updateVariableList=function(a){if(!this.isFlyout){a&&(this.variableList.length=0);a=Blockly.Variables.allUsedVariables(this);for(var b=0;b<a.length;b++)this.createVariable(a[b])}};
-Blockly.Workspace.prototype.renameVariable=function(a,b){var c=this.variableIndexOf(a),d=this.variableIndexOf(b);if(-1!=d&&this.variableList[d]!=b)var e=this.variableList[d];Blockly.Events.setGroup(!0);for(var f=this.getAllBlocks(),g=0;g<f.length;g++)f[g].renameVar(a,b),e&&f[g].renameVar(e,b);Blockly.Events.setGroup(!1);c==d||-1!=c&&-1==d?this.variableList[c]=b:-1!=c&&-1!=d?(this.variableList[d]=b,this.variableList.splice(c,1)):(this.variableList.push(b),console.log("Tried to rename an non-existent variable."))};
+Blockly.Workspace.prototype.renameVariable=function(a,b){var c,d=this.variableIndexOf(a),e=this.variableIndexOf(b);-1!=e&&this.variableList[e]!=b&&(c=this.variableList[e]);Blockly.Events.setGroup(!0);for(var f=this.getAllBlocks(),g=0;g<f.length;g++)f[g].renameVar(a,b),c&&f[g].renameVar(c,b);Blockly.Events.setGroup(!1);d==e||-1!=d&&-1==e?this.variableList[d]=b:-1!=d&&-1!=e?(this.variableList[e]=b,this.variableList.splice(d,1)):(this.variableList.push(b),console.log("Tried to rename an non-existent variable."))};
 Blockly.Workspace.prototype.createVariable=function(a){-1==this.variableIndexOf(a)&&this.variableList.push(a)};Blockly.Workspace.prototype.getVariableUses=function(a){for(var b=[],c=this.getAllBlocks(),d=0;d<c.length;d++){var e=c[d].getVars();if(e)for(var f=0;f<e.length;f++){var g=e[f];g&&Blockly.Names.equals(g,a)&&b.push(c[d])}}return b};
 Blockly.Workspace.prototype.deleteVariable=function(a){if(-1!=this.variableIndexOf(a)){for(var b=this.getVariableUses(a),c=0,d;d=b[c];c++)if("procedures_defnoreturn"==d.type||"procedures_defreturn"==d.type){b=d.getFieldValue("NAME");Blockly.alert(Blockly.Msg.CANNOT_DELETE_VARIABLE_PROCEDURE.replace("%1",a).replace("%2",b));return}var e=this;1<b.length?Blockly.confirm(Blockly.Msg.DELETE_VARIABLE_CONFIRMATION.replace("%1",b.length).replace("%2",a),function(b){b&&e.deleteVariableInternal_(a)}):this.deleteVariableInternal_(a)}};
 Blockly.Workspace.prototype.deleteVariableInternal_=function(a){var b=this.getVariableUses(a);a=this.variableIndexOf(a);Blockly.Events.setGroup(!0);for(var c=0;c<b.length;c++)b[c].dispose(!0,!1);Blockly.Events.setGroup(!1);this.variableList.splice(a,1)};Blockly.Workspace.prototype.variableIndexOf=function(a){for(var b=0,c;c=this.variableList[b];b++)if(Blockly.Names.equals(c,a))return b;return-1};Blockly.Workspace.prototype.getWidth=function(){return 0};
@@ -928,8 +929,8 @@ this.width_+Blockly.BlockSvg.SEP_SPACE_X+Blockly.Scrollbar.scrollbarThickness&&(
 Blockly.Bubble.prototype.positionBubble_=function(){var a=this.anchorXY_.x,a=this.workspace_.RTL?a-(this.relativeLeft_+this.width_):a+this.relativeLeft_;this.bubbleGroup_.setAttribute("transform","translate("+a+","+(this.relativeTop_+this.anchorXY_.y)+")")};Blockly.Bubble.prototype.getBubbleSize=function(){return{width:this.width_,height:this.height_}};
 Blockly.Bubble.prototype.setBubbleSize=function(a,b){var c=2*Blockly.Bubble.BORDER_WIDTH;a=Math.max(a,c+45);b=Math.max(b,c+20);this.width_=a;this.height_=b;this.bubbleBack_.setAttribute("width",a);this.bubbleBack_.setAttribute("height",b);this.resizeGroup_&&(this.workspace_.RTL?this.resizeGroup_.setAttribute("transform","translate("+2*Blockly.Bubble.BORDER_WIDTH+","+(b-c)+") scale(-1 1)"):this.resizeGroup_.setAttribute("transform","translate("+(a-c)+","+(b-c)+")"));this.rendered_&&(this.autoLayout_&&
 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),m=Math.cos(h),p=this.getBubbleSize(),h=(p.width+p.height)/Blockly.Bubble.ARROW_THICKNESS,h=Math.min(h,p.width,p.height)/4,p=1-Blockly.Bubble.ANCHOR_RADIUS/f,d=b+
-p*d,e=c+p*e,p=b+h*m,l=c+h*k,b=b-h*m,c=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"+p+","+l);a.push("C"+(p+f)+","+(l+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.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,m=c+h*k,b=b-h*l,c=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.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())};
@@ -948,28 +949,28 @@ Blockly.Comment.prototype.dispose=function(){Blockly.Events.isEnabled()&&this.se
 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 m;Blockly.Events.isEnabled()&&(m=new Blockly.Events.Move(d));Blockly.Connection.connectReciprocally_(b,a);d.setParent(c);m&&(m.recordNew(),Blockly.Events.fire(m))};
+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.Move(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);Blockly.highlightedConnection_==this&&(Blockly.highlightedConnection_=null);Blockly.localConnection_==this&&(Blockly.localConnection_=null);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.prototype.canConnectWithReason_=function(a){if(!a)return Blockly.Connection.REASON_TARGET_NULL;if(this.isSuperior()){var b=this.sourceBlock_;var 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.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};
 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=a,d;d=Blockly.Connection.singleConnection_(c,b);)if(c=d.targetBlock(),!c||c.isShadow())return d;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.");var b,c;this.isSuperior()?(b=this.sourceBlock_,c=a.getSourceBlock(),a=this):(b=a.getSourceBlock(),c=this.sourceBlock_);this.disconnectInternal_(b,c);a.respawnShadow_()};
+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.disconnectInternal_=function(a,b){var c;Blockly.Events.isEnabled()&&(c=new Blockly.Events.Move(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,b=this.sourceBlock_;if(b)if(b.outputConnection==this)a="Output Connection of ";else if(b.previousConnection==this)a="Previous Connection of ";else if(b.nextConnection==this)a="Next Connection of ";else if(a=goog.array.find(b.inputList,function(a){return a.connection==this},this))a='Input "'+a.name+'" connection on ';else return console.warn("Connection not actually connected to sourceBlock_"),"Orphan Connection";else return"Orphan Connection";
-return a+b.toDevString()};
+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()};
 // Copyright 2017 Google Inc.  Apache License 2.0
 Blockly.Extensions={};Blockly.Extensions.ALL_={};Blockly.Extensions.MUTATOR_PROPERTIES_=["domToMutation","mutationToDom","compose","decompose"];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){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");Blockly.Extensions.checkHasFunction_(e,b,"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_(a,b,'Error after applying mutator "'+a+'": ');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.apply=function(a,b,c){var d,e=Blockly.Extensions.ALL_[a];if(!goog.isFunction(e))throw Error('Error: Extension "'+a+'" not found.');c?Blockly.Extensions.checkNoMutatorProperties_(a,b):d=Blockly.Extensions.getMutatorProperties_(b);e.apply(b);if(c)Blockly.Extensions.checkBlockHasMutatorProperties_(a,b,'Error after applying mutator "'+a+'": ');else if(!Blockly.Extensions.mutatorPropertiesMatch_(d,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.hasOwnProperty(c))throw Error(a+'missing required property "'+c+'"');if("function"!==typeof b[c])throw Error(a+'" required property "'+c+'" must be a function');};
 Blockly.Extensions.checkNoMutatorProperties_=function(a,b){for(var c=0;c<Blockly.Extensions.MUTATOR_PROPERTIES_.length;c++){var d=Blockly.Extensions.MUTATOR_PROPERTIES_[c];if(b.hasOwnProperty(d))throw Error('Error: tried to apply mutation "'+a+'" to a block that already has a "'+d+'" function.  Block id: '+b.id);}};
 Blockly.Extensions.checkMutatorDialog_=function(a,b){var c=a.hasOwnProperty("compose"),d=a.hasOwnProperty("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};
@@ -1007,13 +1008,13 @@ Blockly.Input.prototype.setVisible=function(a){var b=[];if(this.visible_==a)retu
 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.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.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.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&&m.push(d[a]);return g<b}for(var d=this,e=a.x_,f=a.y_,g=0,h=d.length-2,k=h;g<k;)d[k].y_<f?g=k:h=k,k=Math.floor((g+h)/2);var m=[],h=g=k;if(d.length){for(;0<=g&&c(g);)g--;do h++;while(h<d.length&&c(h))}return m};Blockly.ConnectionDB.prototype.isInYRange_=function(a,b,c){return Math.abs(this[a].y_-b)<=c};
+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&&l.push(d[a]);return g<b}for(var d=this,e=a.x_,f=a.y_,g=0,h=d.length-2,k=h;g<k;)d[k].y_<f?g=k:h=k,k=Math.floor((g+h)/2);var l=[],h=g=k;if(d.length){for(;0<=g&&c(g);)g--;do h++;while(h<d.length&&c(h))}return l};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.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_TRASH=1;Blockly.DELETE_AREA_TOOLBOX=2;Blockly.VARIABLE_CATEGORY_NAME="VARIABLE";Blockly.PROCEDURE_CATEGORY_NAME="PROCEDURE";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 m=!!a.rtl,p=a.horizontalLayout;void 0===p&&(p=!1);var l=a.toolboxPosition,l="end"===l?!1:!0,l=p?l?Blockly.TOOLBOX_AT_TOP:Blockly.TOOLBOX_AT_BOTTOM:l==
-m?Blockly.TOOLBOX_AT_RIGHT:Blockly.TOOLBOX_AT_LEFT,n=a.scrollbars;void 0===n&&(n=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=m;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=n;this.hasTrashcan=e;this.hasSounds=k;this.hasCss=
-q;this.horizontalLayout=p;this.languageTree=c;this.gridOptions=Blockly.Options.parseGridOptions_(a);this.zoomOptions=Blockly.Options.parseZoomOptions_(a);this.toolboxPosition=l};Blockly.Options.prototype.parentWorkspace=null;Blockly.Options.prototype.setMetrics=null;Blockly.Options.prototype.getMetrics=null;
+Blockly.TOOLBOX_AT_LEFT=2;Blockly.TOOLBOX_AT_RIGHT=3;Blockly.DELETE_AREA_TRASH=1;Blockly.DELETE_AREA_TOOLBOX=2;Blockly.VARIABLE_CATEGORY_NAME="VARIABLE";Blockly.PROCEDURE_CATEGORY_NAME="PROCEDURE";Blockly.Options=function(a){var b,c,d,e,f,g=!!a.readOnly;if(g){var h=null;var k=b=c=d=e=f=!1}else h=Blockly.Options.parseToolboxTree(a.toolbox),f=!(!h||!h.getElementsByTagName("category").length),e=a.trashcan,void 0===e&&(e=f),d=a.collapse,void 0===d&&(d=f),c=a.comments,void 0===c&&(c=f),b=a.disable,void 0===b&&(b=f),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;var q=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=f);var t=a.css;void 0===t&&(t=!0);var r="https://blockly-demo.appspot.com/static/media/";a.media?r=a.media:a.path&&(r=a.path+"media/");m=void 0===a.oneBasedIndex?!0:!!a.oneBasedIndex;this.RTL=l;this.oneBasedIndex=m;this.collapse=d;this.comments=c;this.disable=b;this.readOnly=g;this.maxBlocks=a.maxBlocks||Infinity;this.pathToMedia=r;this.hasCategories=f;this.hasScrollbars=p;this.hasTrashcan=e;this.hasSounds=k;this.hasCss=
+t;this.horizontalLayout=n;this.languageTree=h;this.gridOptions=Blockly.Options.parseGridOptions_(a);this.zoomOptions=Blockly.Options.parseZoomOptions_(a);this.toolboxPosition=q};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};
@@ -1054,16 +1055,16 @@ Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};Blockly.Trashcan.
 Blockly.utils.removeClass=function(a,b){var c=a.getAttribute("class");if(-1==(" "+c+" ").indexOf(" "+b+" "))return!1;for(var c=c.split(/\s+/),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,d;a;){var e=Blockly.utils.getRelativeXY(a);d=Blockly.utils.getScale_(a);b=b*d+e.x;c=c*d+e.y;if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv "))break;a=a.parentNode}return new goog.math.Coordinate(b,c)};Blockly.utils.getScale_=function(a){var b=1;(a=a.getAttribute("transform"))&&(a=a.match(Blockly.utils.getScale_.REGEXP_))&&a[0]&&(b=parseFloat(a[0]));return b};
+(b.y+=parseFloat(c[3]))));return b};Blockly.utils.getInjectionDivXY_=function(a){for(var b,c=0,d=0;a;){var e=Blockly.utils.getRelativeXY(a);b=Blockly.utils.getScale_(a);c=c*b+e.x;d=d*b+e.y;if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv "))break;a=a.parentNode}return new goog.math.Coordinate(c,d)};Blockly.utils.getScale_=function(a){var b=1;(a=a.getAttribute("transform"))&&(a=a.match(Blockly.utils.getScale_.REGEXP_))&&a[0]&&(b=parseFloat(a[0]));return b};
 Blockly.utils.getRelativeXY.XY_REGEX_=/translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*\))?/;Blockly.utils.getScale_REGEXP_=/scale\(\s*([-+\d.e]+)\s*\)/;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;for(var c=0,d=b||Blockly.utils.shortestStringLength(a),e=0;e<d;e++){for(var f=a[0][e],g=1;g<a.length;g++)if(f!=a[g][e])return c;" "==f&&(c=e+1)}for(g=1;g<a.length;g++)if((f=a[g][e])&&" "!=f)return c;return d};
-Blockly.utils.commonWordSuffix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;for(var c=0,d=b||Blockly.utils.shortestStringLength(a),e=0;e<d;e++){for(var f=a[0].substr(-e-1,1),g=1;g<a.length;g++)if(f!=a[g].substr(-e-1,1))return c;" "==f&&(c=e+1)}for(g=1;g<a.length;g++)if((f=a[g].charAt(a[g].length-e-1))&&" "!=f)return c;return d};Blockly.utils.tokenizeInterpolation=function(a){return Blockly.utils.tokenizeInterpolation_(a,!0)};
+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;for(var c=0,d=b||Blockly.utils.shortestStringLength(a),e=0;e<d;e++){var f=a[0][e];for(var g=1;g<a.length;g++)if(f!=a[g][e])return c;" "==f&&(c=e+1)}for(g=1;g<a.length;g++)if((f=a[g][e])&&" "!=f)return c;return d};
+Blockly.utils.commonWordSuffix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;for(var c=0,d=b||Blockly.utils.shortestStringLength(a),e=0;e<d;e++){var f=a[0].substr(-e-1,1);for(var g=1;g<a.length;g++)if(f!=a[g].substr(-e-1,1))return c;" "==f&&(c=e+1)}for(g=1;g<a.length;g++)if((f=a[g].charAt(a[g].length-e-1))&&" "!=f)return c;return d};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=/%{BKY_([a-zA-Z][a-zA-Z0-9_]*)}/g,d=c.exec(a);null!=d;){var e=d[1];null==Blockly.Msg[e]&&(console.log("WARNING: No message string for %{BKY_"+e+"}."),b=!1);a=a.substring(d.index+e.length+1);d=c.exec(a)}return b};
-Blockly.utils.tokenizeInterpolation_=function(a,b){var c=[],d=a.split("");d.push("");for(var e=0,f=[],g=null,h=0;h<d.length;h++){var k=d[h];0==e?"%"==k?((k=f.join(""))&&c.push(k),f.length=0,e=1):f.push(k):1==e?"%"==k?(f.push(k),e=0):b&&"0"<=k&&"9">=k?(e=2,g=k,(k=f.join(""))&&c.push(k),f.length=0):"{"==k?e=3:(f.push("%",k),e=0):2==e?"0"<=k&&"9">=k?g+=k:(c.push(parseInt(g,10)),h--,e=0):3==e&&(""==k?(f.splice(0,0,"%{"),h--,e=0):"}"!=k?f.push(k):(e=f.join(""),/[a-zA-Z][a-zA-Z0-9_]*/.test(e)?(k=e.toUpperCase(),
-(k=goog.string.startsWith(k,"BKY_")?k.substring(4):null)&&k in Blockly.Msg?(e=Blockly.Msg[k],goog.isString(e)?Array.prototype.push.apply(c,Blockly.utils.tokenizeInterpolation(e)):b?c.push(String(e)):c.push(e)):c.push("%{"+e+"}")):c.push("%{"+e+"}"),e=f.length=0))}(k=f.join(""))&&c.push(k);d=[];for(h=f.length=0;h<c.length;++h)"string"==typeof c[h]?f.push(c[h]):((k=f.join(""))&&d.push(k),f.length=0,d.push(c[h]));(k=f.join(""))&&d.push(k);f.length=0;return d};
+Blockly.utils.tokenizeInterpolation_=function(a,b){var c=[],d=a.split("");d.push("");for(var e=0,f=[],g=null,h=0;h<d.length;h++){var k=d[h];0==e?"%"==k?((k=f.join(""))&&c.push(k),f.length=0,e=1):f.push(k):1==e?"%"==k?(f.push(k),e=0):b&&"0"<=k&&"9">=k?(e=2,g=k,(k=f.join(""))&&c.push(k),f.length=0):"{"==k?e=3:(f.push("%",k),e=0):2==e?"0"<=k&&"9">=k?g+=k:(c.push(parseInt(g,10)),h--,e=0):3==e&&(""==k?(f.splice(0,0,"%{"),h--,e=0):"}"!=k?f.push(k):(k=f.join(""),/[a-zA-Z][a-zA-Z0-9_]*/.test(k)?(e=k.toUpperCase(),
+(e=goog.string.startsWith(e,"BKY_")?e.substring(4):null)&&e in Blockly.Msg?(k=Blockly.Msg[e],goog.isString(k)?Array.prototype.push.apply(c,Blockly.utils.tokenizeInterpolation(k)):b?c.push(String(k)):c.push(k)):c.push("%{"+k+"}")):c.push("%{"+k+"}"),e=f.length=0))}(k=f.join(""))&&c.push(k);d=[];for(h=f.length=0;h<c.length;++h)"string"==typeof c[h]?f.push(c[h]):((k=f.join(""))&&d.push(k),f.length=0,d.push(c[h]));(k=f.join(""))&&d.push(k);f.length=0;return d};
 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){for(var c=a.split("\n"),d=0;d<c.length;d++)c[d]=Blockly.utils.wrapLine_(c[d],b);return c.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);var e,d=-Infinity,f,g=1;do{e=d;f=a;for(var h=[],k=c.length/g,m=1,d=0;d<c.length-1;d++)m<(d+1.5)/k?(m++,h[d]=!0):h[d]=!1;h=Blockly.utils.wrapMutate_(c,h,b);d=Blockly.utils.wrapScore_(c,h,b);a=Blockly.utils.wrapToText_(c,h);g++}while(d>e);return f};
+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);var d=-Infinity,e=1;do{var f=d;var g=a;for(var h=[],k=c.length/e,l=1,d=0;d<c.length-1;d++)l<(d+1.5)/k?(l++,h[d]=!0):h[d]=!1;h=Blockly.utils.wrapMutate_(c,h,b);d=Blockly.utils.wrapScore_(c,h,b);a=Blockly.utils.wrapToText_(c,h);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);
@@ -1074,21 +1075,21 @@ Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){a=a.toF
 Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){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){for(var c=goog.dom.createDom("xml"),d=a.getTopBlocks(!0),e=0,f;f=d[e];e++)c.appendChild(Blockly.Xml.blockToDomWithXY(f,b));return c};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.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)}for(var d=0,e;e=a.inputList[d];d++)for(var f=0,g;g=e.fieldRow[f];f++)if(g.name&&g.EDITABLE){var h=goog.dom.createDom("field",null,g.getValue());h.setAttribute("name",g.name);c.appendChild(h)}if(d=a.getCommentText())d=goog.dom.createDom("comment",
-null,d),"object"==typeof a.comment&&(d.setAttribute("pinned",a.comment.isVisible()),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));for(d=0;e=a.inputList[d];d++){var k;g=!0;e.type!=Blockly.DUMMY_INPUT&&(h=e.connection.targetBlock(),e.type==Blockly.INPUT_VALUE?k=goog.dom.createDom("value"):e.type==Blockly.NEXT_STATEMENT&&(k=goog.dom.createDom("statement")),f=e.connection.getShadowDom(),
-!f||h&&h.isShadow()||k.appendChild(Blockly.Xml.cloneShadow_(f)),h&&(k.appendChild(Blockly.Xml.blockToDom(h,b)),g=!1),k.setAttribute("name",e.name),g||c.appendChild(k))}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(d=a.getNextBlock())k=goog.dom.createDom("next",null,Blockly.Xml.blockToDom(d,b)),c.appendChild(k);f=a.nextConnection&&a.nextConnection.getShadowDom();!f||d&&d.isShadow()||k.appendChild(Blockly.Xml.cloneShadow_(f));return c};
+Blockly.Xml.blockToDom=function(a,b){var c,d=goog.dom.createDom(a.isShadow()?"shadow":"block");d.setAttribute("type",a.type);b||d.setAttribute("id",a.id);if(a.mutationToDom){var e=a.mutationToDom();e&&(e.hasChildNodes()||e.hasAttributes())&&d.appendChild(e)}for(var e=0,f;f=a.inputList[e];e++){var g=0;for(var h;h=f.fieldRow[g];g++)if(h.name&&h.EDITABLE){var k=goog.dom.createDom("field",null,h.getValue());k.setAttribute("name",h.name);d.appendChild(k)}}if(e=a.getCommentText())e=goog.dom.createDom("comment",
+null,e),"object"==typeof a.comment&&(e.setAttribute("pinned",a.comment.isVisible()),f=a.comment.getBubbleSize(),e.setAttribute("h",f.height),e.setAttribute("w",f.width)),d.appendChild(e);a.data&&(e=goog.dom.createDom("data",null,a.data),d.appendChild(e));for(e=0;f=a.inputList[e];e++)h=!0,f.type!=Blockly.DUMMY_INPUT&&(k=f.connection.targetBlock(),f.type==Blockly.INPUT_VALUE?c=goog.dom.createDom("value"):f.type==Blockly.NEXT_STATEMENT&&(c=goog.dom.createDom("statement")),g=f.connection.getShadowDom(),
+!g||k&&k.isShadow()||c.appendChild(Blockly.Xml.cloneShadow_(g)),k&&(c.appendChild(Blockly.Xml.blockToDom(k,b)),h=!1),c.setAttribute("name",f.name),h||d.appendChild(c));a.inputsInlineDefault!=a.inputsInline&&d.setAttribute("inline",a.inputsInline);a.isCollapsed()&&d.setAttribute("collapsed",!0);a.disabled&&d.setAttribute("disabled",!0);a.isDeletable()||a.isShadow()||d.setAttribute("deletable",!1);a.isMovable()||a.isShadow()||d.setAttribute("movable",!1);a.isEditable()||d.setAttribute("editable",!1);
+if(e=a.getNextBlock())c=goog.dom.createDom("next",null,Blockly.Xml.blockToDom(e,b)),d.appendChild(c);g=a.nextConnection&&a.nextConnection.getShadowDom();!g||e&&e.isShadow()||c.appendChild(Blockly.Xml.cloneShadow_(g));return d};
 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)};
 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.textToDom=function(a){(a=(new DOMParser).parseFromString(a,"text/xml"))&&a.firstChild&&"xml"==a.firstChild.nodeName.toLowerCase()&&a.firstChild===a.lastChild||goog.asserts.fail("Blockly.Xml.textToDom did not obtain a valid XML tree.");return a.firstChild};
 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);for(var g=0;g<e;g++){var h=a.childNodes[g],k=h.nodeName.toLowerCase();if("block"==k||"shadow"==k&&!Blockly.Events.recordUndo){k=Blockly.Xml.domToBlock(h,
-b);c.push(k.id);var m=parseInt(h.getAttribute("x"),10),h=parseInt(h.getAttribute("y"),10);isNaN(m)||isNaN(h)||k.moveBy(b.RTL?d-m:m,h)}else"shadow"==k&&goog.asserts.fail("Shadow block cannot be a top-level block.")}f||Blockly.Events.setGroup(!1);Blockly.Field.stopCache();b.updateVariableList(!1);b.setResizesEnabled&&b.setResizesEnabled(!0);return c};
-Blockly.Xml.appendDomToWorkspace=function(a,b){var c;if(b.hasOwnProperty("scale")){var d=Blockly.BlockSvg.TAB_WIDTH;try{Blockly.BlockSvg.TAB_WIDTH=0,c=b.getBlocksBoundingBox()}finally{Blockly.BlockSvg.TAB_WIDTH=d}}d=Blockly.Xml.domToWorkspace(a,b);if(c&&c.height){var e,f;e=c.y+c.height;f=c.x;var g=Infinity,h=Infinity;for(c=0;c<d.length;c++){var k=b.getBlockById(d[c]).getRelativeToSurfaceXY();k.y<h&&(h=k.y);k.x<g&&(g=k.x)}e=e-h+Blockly.BlockSvg.SEP_SPACE_Y;f-=g;var m;b.RTL&&(m=b.getWidth());for(c=
-0;c<d.length;c++)b.getBlockById(d[c]).moveBy(b.RTL?m-f:f,e)}return d};
+b);c.push(k.id);var l=parseInt(h.getAttribute("x"),10),h=parseInt(h.getAttribute("y"),10);isNaN(l)||isNaN(h)||k.moveBy(b.RTL?d-l:l,h)}else"shadow"==k&&goog.asserts.fail("Shadow block cannot be a top-level block.")}f||Blockly.Events.setGroup(!1);Blockly.Field.stopCache();b.updateVariableList(!1);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}}c=Blockly.Xml.domToWorkspace(a,b);if(d&&d.height){var e=d.y+d.height;var f=d.x;var g=Infinity,h=Infinity;for(d=0;d<c.length;d++){var k=b.getBlockById(c[d]).getRelativeToSurfaceXY();k.y<h&&(h=k.y);k.x<g&&(g=k.x)}e=e-h+Blockly.BlockSvg.SEP_SPACE_Y;f-=g;var l;b.RTL&&(l=b.getWidth());for(d=0;d<
+c.length;d++)b.getBlockById(c[d]).moveBy(b.RTL?l-f:f,e)}return c};
 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();try{var d=Blockly.Xml.domToBlockHeadless_(a,b);if(b.rendered){d.setConnectionsHidden(!0);for(var e=d.getDescendants(),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()}}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&
 Blockly.Events.fire(new Blockly.Events.Create(d));return d};
-Blockly.Xml.domToBlockHeadless_=function(a,b){var c=null,d=a.getAttribute("type");goog.asserts.assert(d,"Block type unspecified: %s",a.outerHTML);for(var e=a.getAttribute("id"),c=b.newBlock(d,e),f=null,e=0,g;g=a.childNodes[e];e++)if(3!=g.nodeType){for(var h=f=null,k=0,m;m=g.childNodes[k];k++)1==m.nodeType&&("block"==m.nodeName.toLowerCase()?f=m:"shadow"==m.nodeName.toLowerCase()&&(h=m));!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 p=g.getAttribute("pinned");p&&!c.isInFlyout&&setTimeout(function(){c.comment&&c.comment.setVisible&&c.comment.setVisible("true"==p)},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":f=c.getField(k);if(!f){console.warn("Ignoring non-existent field "+
+Blockly.Xml.domToBlockHeadless_=function(a,b){var c=null,d=a.getAttribute("type");goog.asserts.assert(d,"Block type unspecified: %s",a.outerHTML);for(var e=a.getAttribute("id"),c=b.newBlock(d,e),f=null,e=0,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":f=c.getField(k);if(!f){console.warn("Ignoring non-existent field "+
 k+" in block "+d);break}f.setValue(g.textContent);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);f&&(f=Blockly.Xml.domToBlockHeadless_(f,b),f.outputConnection?g.connection.connect(f.outputConnection):f.previousConnection?g.connection.connect(f.previousConnection):goog.asserts.fail("Child block does not have output or previous statement."));break;case "next":h&&c.nextConnection&&c.nextConnection.setShadowDom(h);
 f&&(goog.asserts.assert(c.nextConnection,"Next statement does not exist."),goog.asserts.assert(!c.nextConnection.isConnected(),"Next statement is already connected."),f=Blockly.Xml.domToBlockHeadless_(f,b),goog.asserts.assert(f.previousConnection,"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);(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()){d=c.getChildren();for(e=0;g=d[e];e++)goog.asserts.assert(g.isShadow(),"Shadow block not allowed non-shadow child.");goog.asserts.assert(0==c.getVars().length,"Shadow blocks cannot have variable fields.");c.setShadow(!0)}return c};
@@ -1125,8 +1126,8 @@ Blockly.WorkspaceSvg.prototype.setupDragSurface=function(){if(this.useWorkspaceD
 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)(c=void 0===b||b)?-1==this.highlightedBlocks_.indexOf(d)&&this.highlightedBlocks_.push(d):goog.array.remove(this.highlightedBlocks_,d),d.setHighlighted(c)};
-Blockly.WorkspaceSvg.prototype.paste=function(a){if(this.rendered&&!(a.getElementsByTagName("block").length>=this.remainingCapacity())){Blockly.terminateDrag_();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)for(var k=b.getConnections_(!1),
-f=0,m;m=k[f];f++)if(m.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.Create(b));b.select()}};
+Blockly.WorkspaceSvg.prototype.paste=function(a){if(this.rendered&&!(a.getElementsByTagName("block").length>=this.remainingCapacity())){Blockly.terminateDrag_();Blockly.Events.disable();try{var b=Blockly.Xml.domToBlock(a,this);var c=parseInt(a.getAttribute("x"),10),d=parseInt(a.getAttribute("y"),10);if(!isNaN(c)&&!isNaN(d)){this.RTL&&(c=-c);do{var e=!1;var f=this.getAllBlocks();a=0;for(var g;g=f[a];a++){var h=g.getRelativeToSurfaceXY();if(1>=Math.abs(c-h.x)&&1>=Math.abs(d-h.y)){e=!0;break}}if(!e){var k=
+b.getConnections_(!1);a=0;for(var l;l=k[a];a++)if(l.closest(Blockly.SNAP_RADIUS,new goog.math.Coordinate(c,d)).connection){e=!0;break}}e&&(c=this.RTL?c-Blockly.SNAP_RADIUS:c+Blockly.SNAP_RADIUS,d+=2*Blockly.SNAP_RADIUS)}while(e);b.moveBy(c,d)}}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&!b.isShadow()&&Blockly.Events.fire(new Blockly.Events.Create(b));b.select()}};
 Blockly.WorkspaceSvg.prototype.createVariable=function(a){Blockly.WorkspaceSvg.superClass_.createVariable.call(this,a);this.toolbox_&&this.toolbox_.flyout_&&!Blockly.Flyout.startFlyout_&&this.toolbox_.refreshSelection()};Blockly.WorkspaceSvg.prototype.recordDeleteAreas=function(){this.deleteAreaTrash_=this.trashcan?this.trashcan.getClientRect():null;this.deleteAreaToolbox_=this.flyout_?this.flyout_.getClientRect():this.toolbox_?this.toolbox_.getClientRect():null};
 Blockly.WorkspaceSvg.prototype.isDeleteArea=function(a){a=new goog.math.Coordinate(a.clientX,a.clientY);return this.deleteAreaTrash_&&this.deleteAreaTrash_.contains(a)?Blockly.DELETE_AREA_TRASH:this.deleteAreaToolbox_&&this.deleteAreaToolbox_.contains(a)?Blockly.DELETE_AREA_TOOLBOX:null};
 Blockly.WorkspaceSvg.prototype.onMouseDown_=function(a){this.markFocused();Blockly.utils.isTargetInput(a)?Blockly.Touch.clearTouchIdentifier():(Blockly.terminateDrag_(),Blockly.hideChaff(),a.target&&a.target.nodeName&&("svg"==a.target.nodeName.toLowerCase()||a.target==this.svgBackground_)&&Blockly.selected&&!this.options.readOnly&&Blockly.selected.unselect(),Blockly.utils.isRightButton(a)?(this.showContextMenu_(a),Blockly.onMouseUp_(a),Blockly.Touch.clearTouchIdentifier()):this.scrollbar?(this.dragMode_=
@@ -1136,9 +1137,9 @@ Blockly.WorkspaceSvg.prototype.moveDrag=function(a){a=Blockly.utils.mouseToSvg(a
 Blockly.WorkspaceSvg.prototype.onMouseWheel_=function(a){Blockly.terminateDrag_();var b=-a.deltaY/50,c=Blockly.utils.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());this.zoom(c.x,c.y,b);a.preventDefault()};
 Blockly.WorkspaceSvg.prototype.getBlocksBoundingBox=function(){var a=this.getTopBlocks(!1);if(!a.length)return{x:0,y:0,width:0,height:0};for(var b=a[0].getBoundingRectangle(),c=1;c<a.length;c++){var d=a[c].getBoundingRectangle();d.topLeft.x<b.topLeft.x&&(b.topLeft.x=d.topLeft.x);d.bottomRight.x>b.bottomRight.x&&(b.bottomRight.x=d.bottomRight.x);d.topLeft.y<b.topLeft.y&&(b.topLeft.y=d.topLeft.y);d.bottomRight.y>b.bottomRight.y&&(b.bottomRight.y=d.bottomRight.y)}return{x:b.topLeft.x,y:b.topLeft.y,width:b.bottomRight.x-
 b.topLeft.x,height:b.bottomRight.y-b.topLeft.y}};Blockly.WorkspaceSvg.prototype.cleanUp=function(){Blockly.Events.setGroup(!0);for(var a=this.getTopBlocks(!0),b=0,c=0,d;d=a[c];c++){var e=d.getRelativeToSurfaceXY();d.moveBy(-e.x,b-e.y);d.snapToGrid();b=d.getRelativeToSurfaceXY().y+d.getHeightWidth().height+Blockly.BlockSvg.MIN_BLOCK_Y}Blockly.Events.setGroup(!1);this.resizeContents()};
-Blockly.WorkspaceSvg.prototype.showContextMenu_=function(a){function b(a){if(a.isDeletable())l=l.concat(a.getDescendants());else{a=a.getChildren();for(var c=0;c<a.length;c++)b(a[c])}}function c(){Blockly.Events.setGroup(f);var a=l.shift();a&&(a.workspace?(a.dispose(!1,!0),setTimeout(c,10)):c());Blockly.Events.setGroup(!1)}if(!this.options.readOnly&&!this.isFlyout){var d=[],e=this.getTopBlocks(!0),f=Blockly.utils.genUid(),g={};g.text=Blockly.Msg.UNDO;g.enabled=0<this.undoStack_.length;g.callback=this.undo.bind(this,
-!1);d.push(g);g={};g.text=Blockly.Msg.REDO;g.enabled=0<this.redoStack_.length;g.callback=this.undo.bind(this,!0);d.push(g);this.scrollbar&&(g={},g.text=Blockly.Msg.CLEAN_UP,g.enabled=1<e.length,g.callback=this.cleanUp.bind(this),d.push(g));if(this.options.collapse){for(var h=g=!1,k=0;k<e.length;k++)for(var m=e[k];m;)m.isCollapsed()?g=!0:h=!0,m=m.getNextBlock();var p=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},h={enabled:h};
-h.text=Blockly.Msg.COLLAPSE_ALL;h.callback=function(){p(!0)};d.push(h);g={enabled:g};g.text=Blockly.Msg.EXPAND_ALL;g.callback=function(){p(!1)};d.push(g)}for(var l=[],k=0;k<e.length;k++)b(e[k]);g={text:1==l.length?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(l.length)),enabled:0<l.length,callback:function(){2>l.length?c():Blockly.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1",l.length),function(a){a&&c()})}};d.push(g);Blockly.ContextMenu.show(a,d,this.RTL)}};
+Blockly.WorkspaceSvg.prototype.showContextMenu_=function(a){function b(a){if(a.isDeletable())m=m.concat(a.getDescendants());else{a=a.getChildren();for(var c=0;c<a.length;c++)b(a[c])}}function c(){Blockly.Events.setGroup(f);var a=m.shift();a&&(a.workspace?(a.dispose(!1,!0),setTimeout(c,10)):c());Blockly.Events.setGroup(!1)}if(!this.options.readOnly&&!this.isFlyout){var d=[],e=this.getTopBlocks(!0),f=Blockly.utils.genUid(),g={};g.text=Blockly.Msg.UNDO;g.enabled=0<this.undoStack_.length;g.callback=this.undo.bind(this,
+!1);d.push(g);g={};g.text=Blockly.Msg.REDO;g.enabled=0<this.redoStack_.length;g.callback=this.undo.bind(this,!0);d.push(g);this.scrollbar&&(g={},g.text=Blockly.Msg.CLEAN_UP,g.enabled=1<e.length,g.callback=this.cleanUp.bind(this),d.push(g));if(this.options.collapse){for(var h=g=!1,k=0;k<e.length;k++)for(var l=e[k];l;)l.isCollapsed()?g=!0:h=!0,l=l.getNextBlock();var n=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},h={enabled:h};
+h.text=Blockly.Msg.COLLAPSE_ALL;h.callback=function(){n(!0)};d.push(h);g={enabled:g};g.text=Blockly.Msg.EXPAND_ALL;g.callback=function(){n(!1)};d.push(g)}for(var m=[],k=0;k<e.length;k++)b(e[k]);g={text:1==m.length?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(m.length)),enabled:0<m.length,callback:function(){2>m.length?c():Blockly.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1",m.length),function(a){a&&c()})}};d.push(g);Blockly.ContextMenu.show(a,d,this.RTL)}};
 Blockly.WorkspaceSvg.prototype.loadAudio_=function(a,b){if(a.length){try{var c=new window.Audio}catch(h){return}for(var d,e=0;e<a.length;e++){var f=a[e],g=f.match(/\.(\w+)$/);if(g&&c.canPlayType("audio/"+g[1])){d=new window.Audio(f);break}}d&&d.play&&(this.SOUNDS_[b]=d)}};Blockly.WorkspaceSvg.prototype.preloadAudio_=function(){for(var a in this.SOUNDS_){var b=this.SOUNDS_[a];b.volume=.01;b.play();b.pause();if(goog.userAgent.IPAD||goog.userAgent.IPHONE)break}};
 Blockly.WorkspaceSvg.prototype.playAudio=function(a,b){var c=this.SOUNDS_[a];if(c){var d=new Date;d-this.lastSound_<Blockly.SOUND_LIMIT||(this.lastSound_=d,c=goog.userAgent.DOCUMENT_MODE&&9===goog.userAgent.DOCUMENT_MODE||goog.userAgent.IPAD||goog.userAgent.ANDROID?c:c.cloneNode(),c.volume=void 0===b?1:b,c.play())}else this.options.parentWorkspace&&this.options.parentWorkspace.playAudio(a,b)};
 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=
@@ -1150,25 +1151,25 @@ Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.scrollbar){var a=
 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.updateGridPattern_();this.scrollbar?this.scrollbar.resize():this.translate(this.scrollX,this.scrollY);Blockly.hideChaff(!1);this.flyout_&&this.flyout_.reflow()};
 Blockly.WorkspaceSvg.prototype.updateGridPattern_=function(){if(this.options.gridPattern){var a=this.options.gridOptions.spacing*this.scale||100;this.options.gridPattern.setAttribute("width",a);this.options.gridPattern.setAttribute("height",a);var a=Math.floor(this.options.gridOptions.spacing/2)+.5,b=a-this.options.gridOptions.length/2,c=a+this.options.gridOptions.length/2,d=this.options.gridPattern.firstChild,e=d&&d.nextSibling,a=a*this.scale,b=b*this.scale,c=c*this.scale;d&&(d.setAttribute("stroke-width",
 this.scale),d.setAttribute("x1",b),d.setAttribute("y1",a),d.setAttribute("x2",c),d.setAttribute("y2",a));e&&(e.setAttribute("stroke-width",this.scale),e.setAttribute("x1",a),e.setAttribute("y1",b),e.setAttribute("x2",a),e.setAttribute("y2",c))}};
-Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_=function(){var a=Blockly.svgSize(this.getParentSvg());if(this.toolbox_)if(this.toolboxPosition==Blockly.TOOLBOX_AT_TOP||this.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM)a.height-=this.toolbox_.getHeight();else if(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT)a.width-=this.toolbox_.getWidth();var b=Blockly.Flyout.prototype.CORNER_RADIUS-1,c=a.width-b,d=a.height-b,e=this.getBlocksBoundingBox(),f=e.width*
-this.scale,g=e.height*this.scale,h=e.x*this.scale,k=e.y*this.scale;this.scrollbar?(b=Math.min(h-c/2,h+f-c),c=Math.max(h+f+c/2,h+c),f=Math.min(k-d/2,k+g-d),d=Math.max(k+g+d/2,k+d)):(b=e.x,c=b+e.width,f=e.y,d=f+e.height);e=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(e=this.toolbox_.getWidth());g=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_TOP&&(g=this.toolbox_.getHeight());return{viewHeight:a.height,viewWidth:a.width,contentHeight:d-f,contentWidth:c-b,viewTop:-this.scrollY,
-viewLeft:-this.scrollX,contentTop:f,contentLeft:b,absoluteTop:g,absoluteLeft:e,toolboxWidth:this.toolbox_?this.toolbox_.getWidth():0,toolboxHeight:this.toolbox_?this.toolbox_.getHeight():0,flyoutWidth:this.flyout_?this.flyout_.getWidth():0,flyoutHeight:this.flyout_?this.flyout_.getHeight():0,toolboxPosition:this.toolboxPosition}};
+Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_=function(){var a=Blockly.svgSize(this.getParentSvg());if(this.toolbox_)if(this.toolboxPosition==Blockly.TOOLBOX_AT_TOP||this.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM)a.height-=this.toolbox_.getHeight();else if(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT)a.width-=this.toolbox_.getWidth();var b=Blockly.Flyout.prototype.CORNER_RADIUS-1;var c=a.width-b;var d=a.height-b;var e=this.getBlocksBoundingBox();
+var f=e.width*this.scale;var g=e.height*this.scale,h=e.x*this.scale,k=e.y*this.scale;this.scrollbar?(b=Math.min(h-c/2,h+f-c),f=Math.max(h+f+c/2,h+c),c=Math.min(k-d/2,k+g-d),d=Math.max(k+g+d/2,k+d)):(b=e.x,f=b+e.width,c=e.y,d=c+e.height);e=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(e=this.toolbox_.getWidth());g=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_TOP&&(g=this.toolbox_.getHeight());return{viewHeight:a.height,viewWidth:a.width,contentHeight:d-c,contentWidth:f-
+b,viewTop:-this.scrollY,viewLeft:-this.scrollX,contentTop:c,contentLeft:b,absoluteTop:g,absoluteLeft:e,toolboxWidth:this.toolbox_?this.toolbox_.getWidth():0,toolboxHeight:this.toolbox_?this.toolbox_.getHeight():0,flyoutWidth:this.flyout_?this.flyout_.getWidth():0,flyoutHeight:this.flyout_?this.flyout_.getHeight():0,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.options.gridPattern&&(this.options.gridPattern.setAttribute("x",a),this.options.gridPattern.setAttribute("y",
 b),(goog.userAgent.IE||goog.userAgent.EDGE)&&this.updateGridPattern_())};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.prototype.getToolboxCategoryCallback=function(a){return(a=this.toolboxCategoryCallbacks_[a])?a:null};Blockly.WorkspaceSvg.prototype.removeToolboxCategoryCallback=function(a){this.toolboxCategoryCallbacks_[a]=null};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;
 Blockly.Mutator.prototype.drawIcon_=function(a){Blockly.utils.createSvgElement("rect",{"class":"blocklyIconShape",rx:"4",ry:"4",height:"16",width:"16"},a);Blockly.utils.createSvgElement("path",{"class":"blocklyIconSymbol",d:"m4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 -0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z"},a);
 Blockly.utils.createSvgElement("circle",{"class":"blocklyIconShape",r:"2.7",cx:"8",cy:"8"},a)};Blockly.Mutator.prototype.iconClick_=function(a){this.block_.isEditable()&&Blockly.Icon.prototype.iconClick_.call(this,a)};
-Blockly.Mutator.prototype.createEditor_=function(){this.svgDialog_=Blockly.utils.createSvgElement("svg",{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);if(this.quarkNames_.length)for(var a=goog.dom.createDom("xml"),b=0,c;c=this.quarkNames_[b];b++)a.appendChild(goog.dom.createDom("block",{type:c}));else a=null;a={languageTree:a,parentWorkspace:this.block_.workspace,pathToMedia:this.block_.workspace.options.pathToMedia,RTL:this.block_.RTL,toolboxPosition:this.block_.RTL?Blockly.TOOLBOX_AT_RIGHT:
+Blockly.Mutator.prototype.createEditor_=function(){this.svgDialog_=Blockly.utils.createSvgElement("svg",{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);if(this.quarkNames_.length){var a=goog.dom.createDom("xml");for(var b=0,c;c=this.quarkNames_[b];b++)a.appendChild(goog.dom.createDom("block",{type:c}))}else a=null;a={languageTree:a,parentWorkspace:this.block_.workspace,pathToMedia:this.block_.workspace.options.pathToMedia,RTL:this.block_.RTL,toolboxPosition:this.block_.RTL?Blockly.TOOLBOX_AT_RIGHT:
 Blockly.TOOLBOX_AT_LEFT,horizontalLayout:!1,getMetrics:this.getFlyoutMetrics_.bind(this),setMetrics:null};this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isMutator=!0;a=this.workspace_.addFlyout_("g");b=this.workspace_.createDom("blocklyMutatorBackground");b.insertBefore(a,this.workspace_.svgBlockCanvas_);this.svgDialog_.appendChild(b);return this.svgDialog_};
 Blockly.Mutator.prototype.updateEditable=function(){this.block_.isInFlyout||(this.block_.isEditable()?this.iconGroup_&&Blockly.utils.removeClass(this.iconGroup_,"blocklyIconGroupReadonly"):(this.setVisible(!1),this.iconGroup_&&Blockly.utils.addClass(this.iconGroup_,"blocklyIconGroupReadonly")));Blockly.Icon.prototype.updateEditable.call(this)};
-Blockly.Mutator.prototype.resizeBubble_=function(){var a=2*Blockly.Bubble.BORDER_WIDTH,b=this.workspace_.getCanvas().getBBox(),c;c=this.block_.RTL?-b.x:b.width+b.x;b=b.height+3*a;if(this.workspace_.flyout_)var d=this.workspace_.flyout_.getMetrics_(),b=Math.max(b,d.contentHeight+20);c+=3*a;if(Math.abs(this.workspaceWidth_-c)>a||Math.abs(this.workspaceHeight_-b)>a)this.workspaceWidth_=c,this.workspaceHeight_=b,this.bubble_.setBubbleSize(c+a,b+a),this.svgDialog_.setAttribute("width",this.workspaceWidth_),
+Blockly.Mutator.prototype.resizeBubble_=function(){var a=2*Blockly.Bubble.BORDER_WIDTH,b=this.workspace_.getCanvas().getBBox();var c=this.block_.RTL?-b.x:b.width+b.x;b=b.height+3*a;if(this.workspace_.flyout_)var d=this.workspace_.flyout_.getMetrics_(),b=Math.max(b,d.contentHeight+20);c+=3*a;if(Math.abs(this.workspaceWidth_-c)>a||Math.abs(this.workspaceHeight_-b)>a)this.workspaceWidth_=c,this.workspaceHeight_=b,this.bubble_.setBubbleSize(c+a,b+a),this.svgDialog_.setAttribute("width",this.workspaceWidth_),
 this.svgDialog_.setAttribute("height",this.workspaceHeight_);this.block_.RTL&&(a="translate("+this.workspaceWidth_+",0)",this.workspace_.getCanvas().setAttribute("transform",a));this.workspace_.resize()};
-Blockly.Mutator.prototype.setVisible=function(a){if(a!=this.isVisible())if(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"mutatorOpen",!a,a)),a){this.bubble_=new Blockly.Bubble(this.block_.workspace,this.createEditor_(),this.block_.svgPath_,this.iconXY_,null,null);if(a=this.workspace_.options.languageTree)this.workspace_.flyout_.init(this.workspace_),this.workspace_.flyout_.show(a.childNodes);this.rootBlock_=this.block_.decompose(this.workspace_);a=this.rootBlock_.getDescendants();for(var b=
-0,c;c=a[b];b++)c.render();this.rootBlock_.setMovable(!1);this.rootBlock_.setDeletable(!1);this.workspace_.flyout_?(a=2*this.workspace_.flyout_.CORNER_RADIUS,b=this.workspace_.flyout_.width_+a):b=a=16;this.block_.RTL&&(b=-b);this.rootBlock_.moveBy(b,a);if(this.block_.saveConnections){var d=this;this.block_.saveConnections(this.rootBlock_);this.sourceListener_=function(){d.block_.saveConnections(d.rootBlock_)};this.block_.workspace.addChangeListener(this.sourceListener_)}this.resizeBubble_();this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));
-this.updateColour()}else this.svgDialog_=null,this.workspace_.dispose(),this.rootBlock_=this.workspace_=null,this.bubble_.dispose(),this.bubble_=null,this.workspaceHeight_=this.workspaceWidth_=0,this.sourceListener_&&(this.block_.workspace.removeChangeListener(this.sourceListener_),this.sourceListener_=null)};
-Blockly.Mutator.prototype.workspaceChanged_=function(){if(Blockly.dragMode_==Blockly.DRAG_NONE)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.Change(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.resizeBubble_();Blockly.Events.setGroup(!1)}};Blockly.Mutator.prototype.getFlyoutMetrics_=function(){return{viewHeight:this.workspaceHeight_,viewWidth:this.workspaceWidth_,absoluteTop:0,absoluteLeft:0}};
+Blockly.Mutator.prototype.setVisible=function(a){if(a!=this.isVisible())if(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"mutatorOpen",!a,a)),a){this.bubble_=new Blockly.Bubble(this.block_.workspace,this.createEditor_(),this.block_.svgPath_,this.iconXY_,null,null);if(a=this.workspace_.options.languageTree)this.workspace_.flyout_.init(this.workspace_),this.workspace_.flyout_.show(a.childNodes);this.rootBlock_=this.block_.decompose(this.workspace_);a=this.rootBlock_.getDescendants();var b=0;
+for(var c;c=a[b];b++)c.render();this.rootBlock_.setMovable(!1);this.rootBlock_.setDeletable(!1);this.workspace_.flyout_?(b=2*this.workspace_.flyout_.CORNER_RADIUS,a=this.workspace_.flyout_.width_+b):a=b=16;this.block_.RTL&&(a=-a);this.rootBlock_.moveBy(a,b);if(this.block_.saveConnections){var d=this;this.block_.saveConnections(this.rootBlock_);this.sourceListener_=function(){d.block_.saveConnections(d.rootBlock_)};this.block_.workspace.addChangeListener(this.sourceListener_)}this.resizeBubble_();
+this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));this.updateColour()}else this.svgDialog_=null,this.workspace_.dispose(),this.rootBlock_=this.workspace_=null,this.bubble_.dispose(),this.bubble_=null,this.workspaceHeight_=this.workspaceWidth_=0,this.sourceListener_&&(this.block_.workspace.removeChangeListener(this.sourceListener_),this.sourceListener_=null)};
+Blockly.Mutator.prototype.workspaceChanged_=function(){var a;if(Blockly.dragMode_==Blockly.DRAG_NONE)for(var b=this.workspace_.getTopBlocks(!1),c=0;a=b[c];c++){var d=a.getRelativeToSurfaceXY(),e=a.getHeightWidth();20>d.y+e.height&&a.moveBy(0,20-e.height-d.y)}if(this.rootBlock_.workspace==this.workspace_){Blockly.Events.setGroup(!0);a=this.block_;b=(b=a.mutationToDom())&&Blockly.Xml.domToText(b);c=a.rendered;a.rendered=!1;a.compose(this.rootBlock_);a.rendered=c;a.initSvg();c=(c=a.mutationToDom())&&
+Blockly.Xml.domToText(c);if(b!=c){Blockly.Events.fire(new Blockly.Events.Change(a,"mutation",null,b,c));var f=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(f);a.bumpNeighbours_();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)}a.rendered&&a.render();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)};goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.Mutator||(goog.global.Blockly.Mutator={});goog.global.Blockly.Mutator.reconnect=Blockly.Mutator.reconnect;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};
@@ -1182,11 +1183,11 @@ this.inputList.length=0;for(var d=this.getConnections_(!0),b=0;b<d.length;b++){v
 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))}};
 Blockly.Block.prototype.getConnections_=function(){var 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,b=this;do a=b,b=a.parentBlock_;while(b);return a};Blockly.Block.prototype.getChildren=function(){return this.childBlocks_};
+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(){return this.childBlocks_};
 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.getDescendants=function(){for(var a=[this],b,c=0;b=this.childBlocks_[c];c++)a.push.apply(a,b.getDescendants());return a};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.setConnectionsHidden=function(a){var b;if(!a&&this.isCollapsed())this.outputConnection&&this.outputConnection.setHidden(a),this.previousConnection&&this.previousConnection.setHidden(a),this.nextConnection&&(this.nextConnection.setHidden(a),(b=this.nextConnection.targetBlock())&&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.setColour=function(a){var b=Number(a);if(isNaN(b))if(goog.isString(a)&&a.match(/^#[0-9a-fA-F]{6}$/))this.colour_=a;else throw"Invalid colour: "+a;else this.colour_=Blockly.hueToRgb(b)};
 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.getVars=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.FieldVariable&&a.push(e.getValue());return a};Blockly.Block.prototype.renameVar=function(a,b){for(var c=0,d;d=this.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)f instanceof Blockly.FieldVariable&&Blockly.Names.equals(a,f.getValue())&&f.setValue(b)};Blockly.Block.prototype.getFieldValue=function(a){return(a=this.getField(a))?a.getValue():null};
@@ -1200,14 +1201,14 @@ Blockly.Block.prototype.setDisabled=function(a){this.disabled!=a&&(Blockly.Event
 Blockly.Block.prototype.setCollapsed=function(a){this.collapsed_!=a&&(Blockly.Events.fire(new Blockly.Events.Change(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.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){goog.asserts.assert(void 0==a.output||void 0==a.previousStatement,"Must not have both an output and a previousStatement.");if(void 0!==a.colour){var b=a.colour,b=goog.isString(b)?Blockly.utils.replaceMessageReferences(b):b;this.setColour(b)}for(b=0;void 0!==a["message"+b];)this.interpolate_(a["message"+b],a["args"+b]||[],a["lastDummyAlign"+b]),b++;void 0!==a.inputsInline&&this.setInputsInline(a.inputsInline);void 0!==a.output&&this.setOutput(!0,a.output);
+Blockly.Block.prototype.jsonInit=function(a){goog.asserts.assert(void 0==a.output||void 0==a.previousStatement,"Must not have both an output and a previousStatement.");if(void 0!==a.colour){var b=a.colour;b=goog.isString(b)?Blockly.utils.replaceMessageReferences(b):b;this.setColour(b)}for(b=0;void 0!==a["message"+b];)this.interpolate_(a["message"+b],a["args"+b]||[],a["lastDummyAlign"+b]),b++;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&&(b=a.tooltip,b=Blockly.utils.replaceMessageReferences(b),this.setTooltip(b));void 0!==a.enableContextMenu&&(b=a.enableContextMenu,this.contextMenu=!!b);void 0!==a.helpUrl&&(b=a.helpUrl,b=Blockly.utils.replaceMessageReferences(b),this.setHelpUrl(b));goog.isString(a.extensions)&&(console.warn("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.mixin=function(a,b){if(goog.isDef(b)&&!goog.isBoolean(b))throw Error("opt_disableCheck must be a boolean if provided");if(!b){var c=[],d;for(d in a)void 0!==this[d]&&c.push(d);if(c.length)throw Error("Mixin will overwrite block members: "+JSON.stringify(c));}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];"number"==typeof h?(goog.asserts.assert(0<h&&h<=b.length,"Message index %%s out of range.",h),goog.asserts.assert(!e[h],"Message index %%s duplicated.",h),e[h]=!0,f++,a.push(b[h-1])):(h=h.trim())&&a.push(h)}goog.asserts.assert(f==b.length,'block "%s": Message does not reference all %s arg(s).',this.type,b.length);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);break;case "input_dummy":d=
-this.appendDummyInput(e.name);break;case "field_label":f=Blockly.Block.newFieldLabelFromJson_(e);break;case "field_input":f=Blockly.Block.newFieldTextInputFromJson_(e);break;case "field_angle":f=new Blockly.FieldAngle(e.angle);break;case "field_checkbox":f=new Blockly.FieldCheckbox(e.checked?"TRUE":"FALSE");break;case "field_colour":f=new Blockly.FieldColour(e.colour);break;case "field_variable":f=Blockly.Block.newFieldVariableFromJson_(e);break;case "field_dropdown":f=new Blockly.FieldDropdown(e.options);
-break;case "field_image":f=Blockly.Block.newFieldImageFromJson_(e);break;case "field_number":f=new Blockly.FieldNumber(e.value,e.min,e.max,e.precision);break;case "field_date":if(Blockly.FieldDate){f=new Blockly.FieldDate(e.date);break}default:e.alt&&(e=e.alt,h=!0)}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.interpolate_=function(a,b,c){var d=Blockly.utils.tokenizeInterpolation(a);var e=[];var f=0;a=[];for(var g=0;g<d.length;g++){var h=d[g];"number"==typeof h?(goog.asserts.assert(0<h&&h<=b.length,"Message index %%s out of range.",h),goog.asserts.assert(!e[h],"Message index %%s duplicated.",h),e[h]=!0,f++,a.push(b[h-1])):(h=h.trim())&&a.push(h)}goog.asserts.assert(f==b.length,'block "%s": Message does not reference all %s arg(s).',this.type,b.length);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(f=a[g],"string"==typeof f)b.push([f,void 0]);else{d=h=null;do if(e=!1,"string"==typeof f)h=new Blockly.FieldLabel(f);else switch(f.type){case "input_value":d=this.appendValueInput(f.name);break;case "input_statement":d=this.appendStatementInput(f.name);break;case "input_dummy":d=
+this.appendDummyInput(f.name);break;case "field_label":h=Blockly.Block.newFieldLabelFromJson_(f);break;case "field_input":h=Blockly.Block.newFieldTextInputFromJson_(f);break;case "field_angle":h=new Blockly.FieldAngle(f.angle);break;case "field_checkbox":h=new Blockly.FieldCheckbox(f.checked?"TRUE":"FALSE");break;case "field_colour":h=new Blockly.FieldColour(f.colour);break;case "field_variable":h=Blockly.Block.newFieldVariableFromJson_(f);break;case "field_dropdown":h=new Blockly.FieldDropdown(f.options);
+break;case "field_image":h=Blockly.Block.newFieldImageFromJson_(f);break;case "field_number":h=new Blockly.FieldNumber(f.value,f.min,f.max,f.precision);break;case "field_date":if(Blockly.FieldDate){h=new Blockly.FieldDate(f.date);break}default:f.alt&&(f=f.alt,e=!0)}while(e);if(h)b.push([h,f.name]);else if(d){f.check&&d.setCheck(f.check);f.align&&d.setAlign(c[f.align]);for(e=0;e<b.length;e++)d.appendField(b[e][0],b[e][1]);b.length=0}}};
 Blockly.Block.newFieldImageFromJson_=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.Block.newFieldLabelFromJson_=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabel(b,a["class"])};
 Blockly.Block.newFieldTextInputFromJson_=function(a){var b=Blockly.utils.replaceMessageReferences(a.text),b=new Blockly.FieldTextInput(b,a["class"]);"boolean"==typeof a.spellcheck&&b.setSpellcheck(a.spellcheck);return b};Blockly.Block.newFieldVariableFromJson_=function(a){a=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(a)};
 Blockly.Block.prototype.appendInput_=function(a,b){var c=null;if(a==Blockly.INPUT_VALUE||a==Blockly.NEXT_STATEMENT)c=this.makeConnection_(a);c=new Blockly.Input(a,b,this,c);this.inputList.push(c);return c};
@@ -1220,13 +1221,14 @@ Blockly.Block.prototype.allInputsFilled=function(a){void 0===a&&(a=!0);if(!a&&th
 Blockly.ContextMenu.show=function(a,b,c){Blockly.WidgetDiv.show(Blockly.ContextMenu,c,null);if(b.length){var d=new goog.ui.Menu;d.setRightToLeft(c);for(var e=0,f;f=b[e];e++){var g=new goog.ui.MenuItem(f.text);g.setRightToLeft(c);d.addChild(g,!0);g.setEnabled(f.enabled);f.enabled&&(goog.events.listen(g,goog.ui.Component.EventType.ACTION,f.callback),g.handleContextMenu=function(a){goog.events.dispatchEvent(this,goog.ui.Component.EventType.ACTION)})}goog.events.listen(d,goog.ui.Component.EventType.ACTION,
 Blockly.ContextMenu.hide);b=goog.dom.getViewportSize();e=goog.style.getViewportPageOffset(document);d.render(Blockly.WidgetDiv.DIV);var h=d.getElement();Blockly.utils.addClass(h,"blocklyContextMenu");Blockly.bindEventWithChecks_(h,"contextmenu",null,Blockly.utils.noEvent);f=goog.style.getSize(h);var g=a.clientX+e.x,k=a.clientY+e.y;a.clientY+f.height>=b.height&&(k-=f.height);c?f.width>=a.clientX&&(g+=f.width):a.clientX+f.width>=b.width&&(g-=f.width);Blockly.WidgetDiv.position(g,k,b,e,c);d.setAllowAutoFocus(!0);
 setTimeout(function(){h.focus()},1);Blockly.ContextMenu.currentBlock=null}else Blockly.ContextMenu.hide()};Blockly.ContextMenu.hide=function(){Blockly.WidgetDiv.hideIfOwner(Blockly.ContextMenu);Blockly.ContextMenu.currentBlock=null};
-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.Create(c));c.select()}};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.ContextMenu.callbackFactory=function(a,b){return function(){Blockly.Events.disable();try{var c=Blockly.Xml.domToBlock(b,a.workspace);var 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.Create(c));c.select()}};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(Blockly.dragMode_==Blockly.DRAG_NONE){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.closest=function(a,b,c){return this.dbOpposite_.searchForClosest(this,a,b,c)};
-Blockly.RenderedConnection.prototype.highlight=function(){var a;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){var c;b.isCollapsed()?(c=[],b.outputConnection&&c.push(b.outputConnection),b.nextConnection&&c.push(b.nextConnection),b.previousConnection&&c.push(b.previousConnection)):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.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.hideAll=function(){this.setHidden(!0);if(this.targetConnection)for(var a=this.targetBlock().getDescendants(),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())};
@@ -1249,7 +1251,7 @@ Blockly.BlockSvg.prototype.moveToDragSurface_=function(){if(this.useDragSurface_
 Blockly.BlockSvg.prototype.clearTransformAttributes_=function(){Blockly.utils.removeAttribute(this.getSvgRoot(),"transform")};
 Blockly.BlockSvg.prototype.snapToGrid=function(){if(this.workspace&&Blockly.dragMode_==Blockly.DRAG_NONE&&!this.getParent()&&!this.isInFlyout&&this.workspace.options.gridOptions&&this.workspace.options.gridOptions.snap){var a=this.workspace.options.gridOptions.spacing,b=a/2,c=this.getRelativeToSurfaceXY(),d=Math.round((c.x-b)/a)*a+b-c.x,a=Math.round((c.y-b)/a)*a+b-c.y,d=Math.round(d),a=Math.round(a);0==d&&0==a||this.moveBy(d,a)}};
 Blockly.BlockSvg.prototype.getHeightWidth=function(){var a=this.height,b=this.width,c=this.getNextBlock();c?(c=c.getHeightWidth(),a+=c.height-4,b=Math.max(b,c.width)):this.nextConnection||this.outputConnection||(a+=2);return{height:a,width:b}};
-Blockly.BlockSvg.prototype.getBoundingRectangle=function(){var a=this.getRelativeToSurfaceXY(this),b=this.outputConnection?Blockly.BlockSvg.TAB_WIDTH:0,c=this.getHeightWidth(),d;this.RTL?(d=new goog.math.Coordinate(a.x-(c.width-b),a.y),a=new goog.math.Coordinate(a.x+b,a.y+c.height)):(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.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){for(var c=[],d=0,e;e=this.inputList[d];d++){for(var f=0,g;g=e.fieldRow[f];f++)g instanceof Blockly.FieldTextInput&&c.push(g);e.connection&&(e=e.connection.targetBlock())&&c.push(e)}d=c.indexOf(a);-1==d&&(d=b?-1:c.length);(c=c[b?d+1:d-1])?c instanceof Blockly.Field?c.showEditor_():c.tab(null,b):(c=this.getParent())&&c.tab(this,b)};
 Blockly.BlockSvg.prototype.onMouseDown_=function(a){if(!this.workspace.options.readOnly)if(this.isInFlyout)"touchstart"==a.type&&Blockly.utils.isRightButton(a)&&(Blockly.Flyout.blockRightClick_(a,this),a.stopPropagation(),a.preventDefault());else{this.isInMutator&&this.workspace.resize();this.workspace.updateScreenCalculationsIfScrolled();this.workspace.markFocused();Blockly.terminateDrag_();this.select();Blockly.hideChaff();if(Blockly.utils.isRightButton(a))this.showContextMenu_(a),Blockly.Touch.clearTouchIdentifier();
@@ -1264,7 +1266,7 @@ d.callback=function(){b.setCommentText(null)}):(d.text=Blockly.Msg.ADD_COMMENT,d
 Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(d)),enabled:!0,callback:function(){Blockly.Events.setGroup(!0);b.dispose(!0,!0);Blockly.Events.setGroup(!1)}};c.push(d)}d={enabled:!(goog.isFunction(this.helpUrl)?!this.helpUrl():!this.helpUrl)};d.text=Blockly.Msg.HELP;d.callback=function(){b.showHelp_()};c.push(d);this.customContextMenu&&!b.isInFlyout&&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.onMouseMove_=function(a){if("mousemove"==a.type&&1>=a.clientX&&0==a.clientY&&0==a.button)a.stopPropagation();else{var b=this.getRelativeToSurfaceXY(),c=this.workspace.moveDrag(a);if(Blockly.dragMode_==Blockly.DRAG_STICKY&&goog.math.Coordinate.distance(b,c)*this.workspace.scale>Blockly.DRAG_RADIUS){Blockly.dragMode_=Blockly.DRAG_FREE;Blockly.longStop_();this.workspace.setResizesEnabled(!1);var d=!!this.parentBlock_,e=!Blockly.DRAG_STACK;if(a.altKey||a.ctrlKey||a.metaKey)e=
+Blockly.BlockSvg.prototype.onMouseMove_=function(a){if("mousemove"==a.type&&1>=a.clientX&&0==a.clientY&&0==a.button)a.stopPropagation();else{var b=this.getRelativeToSurfaceXY(),c=this.workspace.moveDrag(a);if(Blockly.dragMode_==Blockly.DRAG_STICKY&&goog.math.Coordinate.distance(b,c)*this.workspace.scale>Blockly.DRAG_RADIUS){Blockly.dragMode_=Blockly.DRAG_FREE;Blockly.longStop_();this.workspace.setResizesEnabled(!1);var d=!!this.parentBlock_;var e=!Blockly.DRAG_STACK;if(a.altKey||a.ctrlKey||a.metaKey)e=
 !e;this.unplug(e);d&&(d=this.getSvgRoot(),d.translate_="translate("+c.x+","+c.y+")",this.disconnectUiEffect());this.setDragging_(!0);this.moveToDragSurface_()}if(Blockly.dragMode_==Blockly.DRAG_FREE){b=goog.math.Coordinate.difference(b,this.dragStartXY_);d=this.getSvgRoot();this.useDragSurface_?this.workspace.blockDragSurface_.translateSurface(c.x,c.y):(d.translate_="translate("+c.x+","+c.y+")",d.setAttribute("transform",d.translate_+d.skew_));for(c=0;c<this.draggedBubbles_.length;c++)d=this.draggedBubbles_[c],
 d.bubble.setIconLocation(goog.math.Coordinate.sum(d,b));d=this.getConnections_(!1);(c=this.lastConnectionInStack_())&&c!=this.nextConnection&&d.push(c);for(var f=e=null,g=Blockly.SNAP_RADIUS,c=0;c<d.length;c++){var h=d[c],k=h.closest(g,b);k.connection&&(e=k.connection,f=h,g=k.radius)}Blockly.highlightedConnection_&&Blockly.highlightedConnection_!=e&&(Blockly.highlightedConnection_.unhighlight(),Blockly.highlightedConnection_=null,Blockly.localConnection_=null);!this.updateCursor_(a,e)&&e&&e!=Blockly.highlightedConnection_&&
 (e.highlight(),Blockly.highlightedConnection_=e,Blockly.localConnection_=f)}a.stopPropagation();a.preventDefault()}};
@@ -1304,27 +1306,27 @@ Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR="a "+(Blockly.BlockSvg.C
 Blockly.BlockSvg.prototype.render=function(a){Blockly.Field.startCache();this.rendered=!0;var b=Blockly.BlockSvg.SEP_SPACE_X;this.RTL&&(b=-b);for(var c=this.getIcons(),d=0;d<c.length;d++)b=c[d].renderIcon(b);b+=this.RTL?Blockly.BlockSvg.SEP_SPACE_X:-Blockly.BlockSvg.SEP_SPACE_X;c=this.renderCompute_(b);this.renderDraw_(b,c);this.renderMoveConnections_();!1!==a&&((a=this.getParent())?a.render(!0):this.workspace.resizeContents());Blockly.Field.stopCache()};
 Blockly.BlockSvg.prototype.renderFields_=function(a,b,c){c+=Blockly.BlockSvg.INLINE_PADDING_Y;this.RTL&&(b=-b);for(var d=0,e;e=a[d];d++){var f=e.getSvgRoot();f&&((goog.userAgent.IE||goog.userAgent.EDGE)&&e.updateWidth(),this.RTL?(b-=e.renderSep+e.renderWidth,f.setAttribute("transform","translate("+b+","+c+")"),e.renderWidth&&(b-=Blockly.BlockSvg.SEP_SPACE_X)):(f.setAttribute("transform","translate("+(b+e.renderSep)+","+c+")"),e.renderWidth&&(b+=e.renderSep+e.renderWidth+Blockly.BlockSvg.SEP_SPACE_X)))}return this.RTL?
 -b:b};
-Blockly.BlockSvg.prototype.renderCompute_=function(a){var b=this.inputList,c=[];c.rightEdge=a+2*Blockly.BlockSvg.SEP_SPACE_X;if(this.previousConnection||this.nextConnection)c.rightEdge=Math.max(c.rightEdge,Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.SEP_SPACE_X);for(var d=0,e=0,f=!1,g=!1,h=!1,k=void 0,m=this.getInputsInline()&&!this.isCollapsed(),p=0,l;l=b[p];p++)if(l.isVisible()){var n;m&&k&&k!=Blockly.NEXT_STATEMENT&&l.type!=Blockly.NEXT_STATEMENT?n=c[c.length-1]:(k=l.type,n=[],n.type=m&&l.type!=
-Blockly.NEXT_STATEMENT?Blockly.BlockSvg.INLINE:l.type,n.height=0,c.push(n));n.push(l);l.renderHeight=Blockly.BlockSvg.MIN_BLOCK_Y;l.renderWidth=m&&l.type==Blockly.INPUT_VALUE?Blockly.BlockSvg.TAB_WIDTH+1.25*Blockly.BlockSvg.SEP_SPACE_X:0;if(l.connection&&l.connection.isConnected()){var q=l.connection.targetBlock().getHeightWidth();l.renderHeight=Math.max(l.renderHeight,q.height);l.renderWidth=Math.max(l.renderWidth,q.width)}m||p!=b.length-1?!m&&l.type==Blockly.INPUT_VALUE&&b[p+1]&&b[p+1].type==Blockly.NEXT_STATEMENT&&
-l.renderHeight--:l.renderHeight--;n.height=Math.max(n.height,l.renderHeight);l.fieldWidth=0;1==c.length&&(l.fieldWidth+=this.RTL?-a:a);for(var q=!1,t=0,r;r=l.fieldRow[t];t++){0!=t&&(l.fieldWidth+=Blockly.BlockSvg.SEP_SPACE_X);var u=r.getSize();r.renderWidth=u.width;r.renderSep=q&&r.EDITABLE?Blockly.BlockSvg.SEP_SPACE_X:0;l.fieldWidth+=r.renderWidth+r.renderSep;n.height=Math.max(n.height,u.height);q=r.EDITABLE}n.type!=Blockly.BlockSvg.INLINE&&(n.type==Blockly.NEXT_STATEMENT?(g=!0,e=Math.max(e,l.fieldWidth)):
-(n.type==Blockly.INPUT_VALUE?f=!0:n.type==Blockly.DUMMY_INPUT&&(h=!0),d=Math.max(d,l.fieldWidth)))}for(a=0;n=c[a];a++)if(n.thicker=!1,n.type==Blockly.BlockSvg.INLINE)for(b=0;l=n[b];b++)if(l.type==Blockly.INPUT_VALUE){n.height+=2*Blockly.BlockSvg.INLINE_PADDING_Y;n.thicker=!0;break}c.statementEdge=2*Blockly.BlockSvg.SEP_SPACE_X+e;g&&(c.rightEdge=Math.max(c.rightEdge,c.statementEdge+Blockly.BlockSvg.NOTCH_WIDTH));f?c.rightEdge=Math.max(c.rightEdge,d+2*Blockly.BlockSvg.SEP_SPACE_X+Blockly.BlockSvg.TAB_WIDTH):
-h&&(c.rightEdge=Math.max(c.rightEdge,d+2*Blockly.BlockSvg.SEP_SPACE_X));c.hasValue=f;c.hasStatement=g;c.hasDummy=h;return c};
+Blockly.BlockSvg.prototype.renderCompute_=function(a){var b=this.inputList,c=[];c.rightEdge=a+2*Blockly.BlockSvg.SEP_SPACE_X;if(this.previousConnection||this.nextConnection)c.rightEdge=Math.max(c.rightEdge,Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.SEP_SPACE_X);for(var d=0,e=0,f=!1,g=!1,h=!1,k=void 0,l=this.getInputsInline()&&!this.isCollapsed(),n=0,m;m=b[n];n++)if(m.isVisible()){if(l&&k&&k!=Blockly.NEXT_STATEMENT&&m.type!=Blockly.NEXT_STATEMENT)var q=c[c.length-1];else k=m.type,q=[],q.type=l&&
+m.type!=Blockly.NEXT_STATEMENT?Blockly.BlockSvg.INLINE:m.type,q.height=0,c.push(q);q.push(m);m.renderHeight=Blockly.BlockSvg.MIN_BLOCK_Y;m.renderWidth=l&&m.type==Blockly.INPUT_VALUE?Blockly.BlockSvg.TAB_WIDTH+1.25*Blockly.BlockSvg.SEP_SPACE_X:0;if(m.connection&&m.connection.isConnected()){var p=m.connection.targetBlock().getHeightWidth();m.renderHeight=Math.max(m.renderHeight,p.height);m.renderWidth=Math.max(m.renderWidth,p.width)}l||n!=b.length-1?!l&&m.type==Blockly.INPUT_VALUE&&b[n+1]&&b[n+1].type==
+Blockly.NEXT_STATEMENT&&m.renderHeight--:m.renderHeight--;q.height=Math.max(q.height,m.renderHeight);m.fieldWidth=0;1==c.length&&(m.fieldWidth+=this.RTL?-a:a);for(var p=!1,t=0,r;r=m.fieldRow[t];t++){0!=t&&(m.fieldWidth+=Blockly.BlockSvg.SEP_SPACE_X);var u=r.getSize();r.renderWidth=u.width;r.renderSep=p&&r.EDITABLE?Blockly.BlockSvg.SEP_SPACE_X:0;m.fieldWidth+=r.renderWidth+r.renderSep;q.height=Math.max(q.height,u.height);p=r.EDITABLE}q.type!=Blockly.BlockSvg.INLINE&&(q.type==Blockly.NEXT_STATEMENT?
+(g=!0,e=Math.max(e,m.fieldWidth)):(q.type==Blockly.INPUT_VALUE?f=!0:q.type==Blockly.DUMMY_INPUT&&(h=!0),d=Math.max(d,m.fieldWidth)))}for(a=0;q=c[a];a++)if(q.thicker=!1,q.type==Blockly.BlockSvg.INLINE)for(b=0;m=q[b];b++)if(m.type==Blockly.INPUT_VALUE){q.height+=2*Blockly.BlockSvg.INLINE_PADDING_Y;q.thicker=!0;break}c.statementEdge=2*Blockly.BlockSvg.SEP_SPACE_X+e;g&&(c.rightEdge=Math.max(c.rightEdge,c.statementEdge+Blockly.BlockSvg.NOTCH_WIDTH));f?c.rightEdge=Math.max(c.rightEdge,d+2*Blockly.BlockSvg.SEP_SPACE_X+
+Blockly.BlockSvg.TAB_WIDTH):h&&(c.rightEdge=Math.max(c.rightEdge,d+2*Blockly.BlockSvg.SEP_SPACE_X));c.hasValue=f;c.hasStatement=g;c.hasDummy=h;return c};
 Blockly.BlockSvg.prototype.renderDraw_=function(a,b){this.startHat_=!1;this.height=0;if(this.outputConnection)this.squareBottomLeftCorner_=this.squareTopLeftCorner_=!0;else{this.squareBottomLeftCorner_=this.squareTopLeftCorner_=!1;if(this.previousConnection){var c=this.previousConnection.targetBlock();c&&c.getNextBlock()==this&&(this.squareTopLeftCorner_=!0)}else Blockly.BlockSvg.START_HAT&&(this.startHat_=this.squareTopLeftCorner_=!0,this.height+=Blockly.BlockSvg.START_HAT_HEIGHT,b.rightEdge=Math.max(b.rightEdge,
 100));this.getNextBlock()&&(this.squareBottomLeftCorner_=!0)}var d=[],e=[],c=[],f=[];this.renderDrawTop_(d,c,b.rightEdge);var g=this.renderDrawRight_(d,c,e,f,b,a);this.renderDrawBottom_(d,c,g);this.renderDrawLeft_(d,c);d=d.join(" ")+"\n"+e.join(" ");this.svgPath_.setAttribute("d",d);this.svgPathDark_.setAttribute("d",d);d=c.join(" ")+"\n"+f.join(" ");this.svgPathLight_.setAttribute("d",d);this.RTL&&(this.svgPath_.setAttribute("transform","scale(-1 1)"),this.svgPathLight_.setAttribute("transform",
 "scale(-1 1)"),this.svgPathDark_.setAttribute("transform","translate(1,1) scale(-1 1)"))};
 Blockly.BlockSvg.prototype.renderMoveConnections_=function(){var a=this.getRelativeToSurfaceXY();this.previousConnection&&this.previousConnection.moveToOffset(a);this.outputConnection&&this.outputConnection.moveToOffset(a);for(var b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;c&&(c.moveToOffset(a),c.isConnected()&&c.tighten_())}this.nextConnection&&(this.nextConnection.moveToOffset(a),this.nextConnection.isConnected()&&this.nextConnection.tighten_())};
 Blockly.BlockSvg.prototype.renderDrawTop_=function(a,b,c){this.squareTopLeftCorner_?(a.push("m 0,0"),b.push("m 0.5,0.5"),this.startHat_&&(a.push(Blockly.BlockSvg.START_HAT_PATH),b.push(this.RTL?Blockly.BlockSvg.START_HAT_HIGHLIGHT_RTL:Blockly.BlockSvg.START_HAT_HIGHLIGHT_LTR))):(a.push(Blockly.BlockSvg.TOP_LEFT_CORNER_START),b.push(this.RTL?Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_RTL:Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_LTR),a.push(Blockly.BlockSvg.TOP_LEFT_CORNER),b.push(Blockly.BlockSvg.TOP_LEFT_CORNER_HIGHLIGHT));
 this.previousConnection&&(a.push("H",Blockly.BlockSvg.NOTCH_WIDTH-15),b.push("H",Blockly.BlockSvg.NOTCH_WIDTH-15),a.push(Blockly.BlockSvg.NOTCH_PATH_LEFT),b.push(Blockly.BlockSvg.NOTCH_PATH_LEFT_HIGHLIGHT),this.previousConnection.setOffsetInBlock(this.RTL?-Blockly.BlockSvg.NOTCH_WIDTH:Blockly.BlockSvg.NOTCH_WIDTH,0));a.push("H",c);b.push("H",c-.5);this.width=c};
-Blockly.BlockSvg.prototype.renderDrawRight_=function(a,b,c,d,e,f){for(var g,h=0,k,m,p=0,l;l=e[p];p++){g=Blockly.BlockSvg.SEP_SPACE_X;0==p&&(g+=this.RTL?-f:f);b.push("M",e.rightEdge-.5+","+(h+.5));if(this.isCollapsed()){var n=l[0];k=h;this.renderFields_(n.fieldRow,g,k);a.push(Blockly.BlockSvg.JAGGED_TEETH);b.push("h 8");n=l.height-Blockly.BlockSvg.JAGGED_TEETH_HEIGHT;a.push("v",n);this.RTL&&(b.push("v 3.9 l 7.2,3.4 m -14.5,8.9 l 7.3,3.5"),b.push("v",n-.7));this.width+=Blockly.BlockSvg.JAGGED_TEETH_WIDTH}else if(l.type==
-Blockly.BlockSvg.INLINE){for(var q=0;n=l[q];q++)k=h,l.thicker&&(k+=Blockly.BlockSvg.INLINE_PADDING_Y),g=this.renderFields_(n.fieldRow,g,k),n.type!=Blockly.DUMMY_INPUT&&(g+=n.renderWidth+Blockly.BlockSvg.SEP_SPACE_X),n.type==Blockly.INPUT_VALUE&&(c.push("M",g-Blockly.BlockSvg.SEP_SPACE_X+","+(h+Blockly.BlockSvg.INLINE_PADDING_Y)),c.push("h",Blockly.BlockSvg.TAB_WIDTH-2-n.renderWidth),c.push(Blockly.BlockSvg.TAB_PATH_DOWN),c.push("v",n.renderHeight+1-Blockly.BlockSvg.TAB_HEIGHT),c.push("h",n.renderWidth+
-2-Blockly.BlockSvg.TAB_WIDTH),c.push("z"),this.RTL?(d.push("M",g-Blockly.BlockSvg.SEP_SPACE_X-2.5+Blockly.BlockSvg.TAB_WIDTH-n.renderWidth+","+(h+Blockly.BlockSvg.INLINE_PADDING_Y+.5)),d.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),d.push("v",n.renderHeight-Blockly.BlockSvg.TAB_HEIGHT+2.5),d.push("h",n.renderWidth-Blockly.BlockSvg.TAB_WIDTH+2)):(d.push("M",g-Blockly.BlockSvg.SEP_SPACE_X+.5+","+(h+Blockly.BlockSvg.INLINE_PADDING_Y+.5)),d.push("v",n.renderHeight+1),d.push("h",Blockly.BlockSvg.TAB_WIDTH-
-2-n.renderWidth),d.push("M",g-n.renderWidth-Blockly.BlockSvg.SEP_SPACE_X+.9+","+(h+Blockly.BlockSvg.INLINE_PADDING_Y+Blockly.BlockSvg.TAB_HEIGHT-.7)),d.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),k=this.RTL?-g-Blockly.BlockSvg.TAB_WIDTH+Blockly.BlockSvg.SEP_SPACE_X+n.renderWidth+1:g+Blockly.BlockSvg.TAB_WIDTH-Blockly.BlockSvg.SEP_SPACE_X-n.renderWidth-1,m=h+Blockly.BlockSvg.INLINE_PADDING_Y+1,n.connection.setOffsetInBlock(k,m));g=Math.max(g,e.rightEdge);this.width=Math.max(this.width,g);a.push("H",
-g);b.push("H",g-.5);a.push("v",l.height);this.RTL&&b.push("v",l.height-1)}else l.type==Blockly.INPUT_VALUE?(n=l[0],k=h,n.align!=Blockly.ALIGN_LEFT&&(q=e.rightEdge-n.fieldWidth-Blockly.BlockSvg.TAB_WIDTH-2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?g+=q:n.align==Blockly.ALIGN_CENTRE&&(g+=q/2)),this.renderFields_(n.fieldRow,g,k),a.push(Blockly.BlockSvg.TAB_PATH_DOWN),q=l.height-Blockly.BlockSvg.TAB_HEIGHT,a.push("v",q),this.RTL?(b.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),b.push("v",
-q+.5)):(b.push("M",e.rightEdge-5+","+(h+Blockly.BlockSvg.TAB_HEIGHT-.7)),b.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),k=this.RTL?-e.rightEdge-1:e.rightEdge+1,n.connection.setOffsetInBlock(k,h),n.connection.isConnected()&&(this.width=Math.max(this.width,e.rightEdge+n.connection.targetBlock().getHeightWidth().width-Blockly.BlockSvg.TAB_WIDTH+1))):l.type==Blockly.DUMMY_INPUT?(n=l[0],k=h,n.align!=Blockly.ALIGN_LEFT&&(q=e.rightEdge-n.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,e.hasValue&&(q-=Blockly.BlockSvg.TAB_WIDTH),
-n.align==Blockly.ALIGN_RIGHT?g+=q:n.align==Blockly.ALIGN_CENTRE&&(g+=q/2)),this.renderFields_(n.fieldRow,g,k),a.push("v",l.height),this.RTL&&b.push("v",l.height-1)):l.type==Blockly.NEXT_STATEMENT&&(n=l[0],0==p&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),h+=Blockly.BlockSvg.SEP_SPACE_Y),k=h,n.align!=Blockly.ALIGN_LEFT&&(q=e.statementEdge-n.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?g+=q:n.align==Blockly.ALIGN_CENTRE&&(g+=
-q/2)),this.renderFields_(n.fieldRow,g,k),g=e.statementEdge+Blockly.BlockSvg.NOTCH_WIDTH,a.push("H",g),a.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER),a.push("v",l.height-2*Blockly.BlockSvg.CORNER_RADIUS),a.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER),a.push("H",e.rightEdge),this.RTL?(b.push("M",g-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(h+Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL),b.push("v",l.height-2*Blockly.BlockSvg.CORNER_RADIUS),
-b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_RTL)):(b.push("M",g-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(h+l.height-Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR)),b.push("H",e.rightEdge-.5),k=this.RTL?-g:g+1,n.connection.setOffsetInBlock(k,h+1),n.connection.isConnected()&&(this.width=Math.max(this.width,e.statementEdge+n.connection.targetBlock().getHeightWidth().width)),p==e.length-1||e[p+1].type==
-Blockly.NEXT_STATEMENT)&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),h+=Blockly.BlockSvg.SEP_SPACE_Y);h+=l.height}e.length||(h=Blockly.BlockSvg.MIN_BLOCK_Y,a.push("V",h),this.RTL&&b.push("V",h-1));return h};
+Blockly.BlockSvg.prototype.renderDrawRight_=function(a,b,c,d,e,f){for(var g,h,k,l,n=0,m,q=0,p;p=e[q];q++){h=Blockly.BlockSvg.SEP_SPACE_X;0==q&&(h+=this.RTL?-f:f);b.push("M",e.rightEdge-.5+","+(n+.5));if(this.isCollapsed())l=p[0],k=h,h=n,this.renderFields_(l.fieldRow,k,h),a.push(Blockly.BlockSvg.JAGGED_TEETH),b.push("h 8"),l=p.height-Blockly.BlockSvg.JAGGED_TEETH_HEIGHT,a.push("v",l),this.RTL&&(b.push("v 3.9 l 7.2,3.4 m -14.5,8.9 l 7.3,3.5"),b.push("v",l-.7)),this.width+=Blockly.BlockSvg.JAGGED_TEETH_WIDTH;
+else if(p.type==Blockly.BlockSvg.INLINE){for(g=0;l=p[g];g++)k=h,h=n,p.thicker&&(h+=Blockly.BlockSvg.INLINE_PADDING_Y),h=this.renderFields_(l.fieldRow,k,h),l.type!=Blockly.DUMMY_INPUT&&(h+=l.renderWidth+Blockly.BlockSvg.SEP_SPACE_X),l.type==Blockly.INPUT_VALUE&&(c.push("M",h-Blockly.BlockSvg.SEP_SPACE_X+","+(n+Blockly.BlockSvg.INLINE_PADDING_Y)),c.push("h",Blockly.BlockSvg.TAB_WIDTH-2-l.renderWidth),c.push(Blockly.BlockSvg.TAB_PATH_DOWN),c.push("v",l.renderHeight+1-Blockly.BlockSvg.TAB_HEIGHT),c.push("h",
+l.renderWidth+2-Blockly.BlockSvg.TAB_WIDTH),c.push("z"),this.RTL?(d.push("M",h-Blockly.BlockSvg.SEP_SPACE_X-2.5+Blockly.BlockSvg.TAB_WIDTH-l.renderWidth+","+(n+Blockly.BlockSvg.INLINE_PADDING_Y+.5)),d.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),d.push("v",l.renderHeight-Blockly.BlockSvg.TAB_HEIGHT+2.5),d.push("h",l.renderWidth-Blockly.BlockSvg.TAB_WIDTH+2)):(d.push("M",h-Blockly.BlockSvg.SEP_SPACE_X+.5+","+(n+Blockly.BlockSvg.INLINE_PADDING_Y+.5)),d.push("v",l.renderHeight+1),d.push("h",Blockly.BlockSvg.TAB_WIDTH-
+2-l.renderWidth),d.push("M",h-l.renderWidth-Blockly.BlockSvg.SEP_SPACE_X+.9+","+(n+Blockly.BlockSvg.INLINE_PADDING_Y+Blockly.BlockSvg.TAB_HEIGHT-.7)),d.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),k=this.RTL?-h-Blockly.BlockSvg.TAB_WIDTH+Blockly.BlockSvg.SEP_SPACE_X+l.renderWidth+1:h+Blockly.BlockSvg.TAB_WIDTH-Blockly.BlockSvg.SEP_SPACE_X-l.renderWidth-1,m=n+Blockly.BlockSvg.INLINE_PADDING_Y+1,l.connection.setOffsetInBlock(k,m));h=Math.max(h,e.rightEdge);this.width=Math.max(this.width,h);a.push("H",
+h);b.push("H",h-.5);a.push("v",p.height);this.RTL&&b.push("v",p.height-1)}else p.type==Blockly.INPUT_VALUE?(l=p[0],k=h,h=n,l.align!=Blockly.ALIGN_LEFT&&(g=e.rightEdge-l.fieldWidth-Blockly.BlockSvg.TAB_WIDTH-2*Blockly.BlockSvg.SEP_SPACE_X,l.align==Blockly.ALIGN_RIGHT?k+=g:l.align==Blockly.ALIGN_CENTRE&&(k+=g/2)),this.renderFields_(l.fieldRow,k,h),a.push(Blockly.BlockSvg.TAB_PATH_DOWN),g=p.height-Blockly.BlockSvg.TAB_HEIGHT,a.push("v",g),this.RTL?(b.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),
+b.push("v",g+.5)):(b.push("M",e.rightEdge-5+","+(n+Blockly.BlockSvg.TAB_HEIGHT-.7)),b.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),k=this.RTL?-e.rightEdge-1:e.rightEdge+1,l.connection.setOffsetInBlock(k,n),l.connection.isConnected()&&(this.width=Math.max(this.width,e.rightEdge+l.connection.targetBlock().getHeightWidth().width-Blockly.BlockSvg.TAB_WIDTH+1))):p.type==Blockly.DUMMY_INPUT?(l=p[0],k=h,h=n,l.align!=Blockly.ALIGN_LEFT&&(g=e.rightEdge-l.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,e.hasValue&&
+(g-=Blockly.BlockSvg.TAB_WIDTH),l.align==Blockly.ALIGN_RIGHT?k+=g:l.align==Blockly.ALIGN_CENTRE&&(k+=g/2)),this.renderFields_(l.fieldRow,k,h),a.push("v",p.height),this.RTL&&b.push("v",p.height-1)):p.type==Blockly.NEXT_STATEMENT&&(l=p[0],0==q&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),n+=Blockly.BlockSvg.SEP_SPACE_Y),k=h,h=n,l.align!=Blockly.ALIGN_LEFT&&(g=e.statementEdge-l.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,l.align==Blockly.ALIGN_RIGHT?k+=
+g:l.align==Blockly.ALIGN_CENTRE&&(k+=g/2)),this.renderFields_(l.fieldRow,k,h),h=e.statementEdge+Blockly.BlockSvg.NOTCH_WIDTH,a.push("H",h),a.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER),a.push("v",p.height-2*Blockly.BlockSvg.CORNER_RADIUS),a.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER),a.push("H",e.rightEdge),this.RTL?(b.push("M",h-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(n+Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL),
+b.push("v",p.height-2*Blockly.BlockSvg.CORNER_RADIUS),b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_RTL)):(b.push("M",h-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(n+p.height-Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR)),b.push("H",e.rightEdge-.5),k=this.RTL?-h:h+1,l.connection.setOffsetInBlock(k,n+1),l.connection.isConnected()&&(this.width=Math.max(this.width,e.statementEdge+l.connection.targetBlock().getHeightWidth().width)),
+q==e.length-1||e[q+1].type==Blockly.NEXT_STATEMENT)&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),n+=Blockly.BlockSvg.SEP_SPACE_Y);n+=p.height}e.length||(n=Blockly.BlockSvg.MIN_BLOCK_Y,a.push("V",n),this.RTL&&b.push("V",n-1));return n};
 Blockly.BlockSvg.prototype.renderDrawBottom_=function(a,b,c){this.height+=c+1;this.nextConnection&&(a.push("H",Blockly.BlockSvg.NOTCH_WIDTH+(this.RTL?.5:-.5)+" "+Blockly.BlockSvg.NOTCH_PATH_RIGHT),this.nextConnection.setOffsetInBlock(this.RTL?-Blockly.BlockSvg.NOTCH_WIDTH:Blockly.BlockSvg.NOTCH_WIDTH,c+1),this.height+=4);this.squareBottomLeftCorner_?(a.push("H 0"),this.RTL||b.push("M","0.5,"+(c-.5))):(a.push("H",Blockly.BlockSvg.CORNER_RADIUS),a.push("a",Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS+
 " 0 0,1 -"+Blockly.BlockSvg.CORNER_RADIUS+",-"+Blockly.BlockSvg.CORNER_RADIUS),this.RTL||(b.push("M",Blockly.BlockSvg.DISTANCE_45_INSIDE+","+(c-Blockly.BlockSvg.DISTANCE_45_INSIDE)),b.push("A",Blockly.BlockSvg.CORNER_RADIUS-.5+","+(Blockly.BlockSvg.CORNER_RADIUS-.5)+" 0 0,1 0.5,"+(c-Blockly.BlockSvg.CORNER_RADIUS))))};
 Blockly.BlockSvg.prototype.renderDrawLeft_=function(a,b){this.outputConnection?(this.outputConnection.setOffsetInBlock(0,0),a.push("V",Blockly.BlockSvg.TAB_HEIGHT),a.push("c 0,-10 -"+Blockly.BlockSvg.TAB_WIDTH+",8 -"+Blockly.BlockSvg.TAB_WIDTH+",-7.5 s "+Blockly.BlockSvg.TAB_WIDTH+",2.5 "+Blockly.BlockSvg.TAB_WIDTH+",-7.5"),this.RTL?(b.push("M",-.25*Blockly.BlockSvg.TAB_WIDTH+",8.4"),b.push("l",-.45*Blockly.BlockSvg.TAB_WIDTH+",-2.1")):(b.push("V",Blockly.BlockSvg.TAB_HEIGHT-1.5),b.push("m",-.92*
@@ -1333,7 +1335,7 @@ Blockly.Events.fireNow_=function(){for(var a=Blockly.Events.filter(Blockly.Event
 Blockly.Events.filter=function(a,b){var c=goog.array.clone(a);b||c.reverse();for(var d=0,e;e=c[d];d++)for(var f=d+1,g;g=c[f];f++)e.type==g.type&&e.blockId==g.blockId&&e.workspaceId==g.workspaceId&&(e.type==Blockly.Events.MOVE?(e.newParentId=g.newParentId,e.newInputName=g.newInputName,e.newCoordinate=g.newCoordinate,c.splice(f,1),f--):e.type==Blockly.Events.CHANGE&&e.element==g.element&&e.name==g.name?(e.newValue=g.newValue,c.splice(f,1),f--):e.type!=Blockly.Events.UI||"click"!=g.element||"commentOpen"!=
 e.element&&"mutatorOpen"!=e.element&&"warningOpen"!=e.element||(e.newValue=g.newValue,c.splice(f,1),f--));for(d=c.length-1;0<=d;d--)c[d].isNull()&&c.splice(d,1);b||c.reverse();for(d=1;e=c[d];d++)e.type==Blockly.Events.CHANGE&&"mutation"==e.element&&c.unshift(c.splice(d,1)[0]);return c};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();for(var c=0,d;d=a[c];c++)b[c]=d.id;return b};
-Blockly.Events.fromJson=function(a,b){var c;switch(a.type){case Blockly.Events.CREATE: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.UI:c=new Blockly.Events.Ui(null);break;default:throw"Unknown event type.";}c.fromJson(a);c.workspaceId=b.id;return c};
+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.UI:c=new Blockly.Events.Ui(null);break;default:throw"Unknown event type.";}c.fromJson(a);c.workspaceId=b.id;return c};
 Blockly.Events.Abstract=function(a){a&&(this.blockId=a.id,this.workspaceId=a.workspace.id);this.group=Blockly.Events.group_;this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.blockId&&(a.blockId=this.blockId);this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.blockId=a.blockId;this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};
 Blockly.Events.Abstract.prototype.run=function(a){};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.Abstract);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};
@@ -1349,8 +1351,8 @@ Blockly.Events.Move=function(a){a&&(Blockly.Events.Move.superClass_.constructor.
 Blockly.Events.Move.prototype.toJson=function(){var a=Blockly.Events.Move.superClass_.toJson.call(this);this.newParentId&&(a.newParentId=this.newParentId);this.newInputName&&(a.newInputName=this.newInputName);this.newCoordinate&&(a.newCoordinate=Math.round(this.newCoordinate.x)+","+Math.round(this.newCoordinate.y));return a};
 Blockly.Events.Move.prototype.fromJson=function(a){Blockly.Events.Move.superClass_.fromJson.call(this,a);this.newParentId=a.newParentId;this.newInputName=a.newInputName;a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate=new goog.math.Coordinate(parseFloat(a[0]),parseFloat(a[1])))};Blockly.Events.Move.prototype.recordNew=function(){var a=this.currentLocation_();this.newParentId=a.parentId;this.newInputName=a.inputName;this.newCoordinate=a.coordinate};
 Blockly.Events.Move.prototype.currentLocation_=function(){var a=Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId),b={},c=a.getParent();if(c){if(b.parentId=c.id,a=c.getInputWithBlock(a))b.inputName=a.name}else b.coordinate=a.getRelativeToSurfaceXY();return b};Blockly.Events.Move.prototype.isNull=function(){return this.oldParentId==this.newParentId&&this.oldInputName==this.newInputName&&goog.math.Coordinate.equals(this.oldCoordinate,this.newCoordinate)};
-Blockly.Events.Move.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId),c=b.getBlockById(this.blockId);if(c){var d=a?this.newParentId:this.oldParentId,e=a?this.newInputName:this.oldInputName;a=a?this.newCoordinate:this.oldCoordinate;var f=null;if(d&&(f=b.getBlockById(d),!f)){console.warn("Can't connect to non-existant block: "+d);return}c.getParent()&&c.unplug();if(a)e=c.getRelativeToSurfaceXY(),c.moveBy(a.x-e.x,a.y-e.y);else{var c=c.outputConnection||c.previousConnection,
-g;if(e){if(b=f.getInput(e))g=b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existant input: "+e)}}else console.warn("Can't move non-existant block: "+this.blockId)};Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this,a);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.Move.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId),c=b.getBlockById(this.blockId);if(c){var d=a?this.newParentId:this.oldParentId,e=a?this.newInputName:this.oldInputName;a=a?this.newCoordinate:this.oldCoordinate;var f=null;if(d&&(f=b.getBlockById(d),!f)){console.warn("Can't connect to non-existant block: "+d);return}c.getParent()&&c.unplug();if(a)e=c.getRelativeToSurfaceXY(),c.moveBy(a.x-e.x,a.y-e.y);else{var c=c.outputConnection||c.previousConnection;
+if(e){if(b=f.getInput(e))var g=b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existant input: "+e)}}else console.warn("Can't move non-existant block: "+this.blockId)};Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this,a);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);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};
 Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){Blockly.Events.disable();if(a=Blockly.Workspace.getById(a.workspaceId).getBlockById(a.blockId))if(a.getParent()&&!a.getParent().disabled){a=a.getDescendants();for(var b=0,c;c=a[b];b++)c.setDisabled(!1)}else if((a.outputConnection||a.previousConnection)&&Blockly.dragMode_==Blockly.DRAG_NONE){do a.setDisabled(!0),a=a.getNextBlock();while(a)}Blockly.Events.enable()}};Blockly.Msg={};goog.getMsgOrig=goog.getMsg;goog.getMsg=function(a,b){var c=goog.getMsg.blocklyMsgMap[a];c&&(a=Blockly.Msg[c]);return goog.getMsgOrig(a,b)};goog.getMsg.blocklyMsgMap={Today:"TODAY"};Blockly.FieldTextInput=function(a,b){Blockly.FieldTextInput.superClass_.constructor.call(this,a,b)};goog.inherits(Blockly.FieldTextInput,Blockly.Field);Blockly.FieldTextInput.FONTSIZE=11;Blockly.FieldTextInput.prototype.CURSOR="text";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.Change(this.sourceBlock_,"field",this.name,this.text_,a)),Blockly.Field.prototype.setText.call(this,a)))};
@@ -1396,17 +1398,17 @@ this.sourceBlock_.RTL?this.textElement_.insertBefore(this.arrow_,this.textElemen
 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_))};
 Blockly.FieldImage.prototype.dispose=function(){goog.dom.removeNode(this.fieldGroup_);this.imageElement_=this.fieldGroup_=null};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.updateWidth=function(){};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.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.Variables={};Blockly.Variables.allUsedVariables=function(a){var b;if(a instanceof Blockly.Block)b=a.getDescendants();else if(a.getAllBlocks)b=a.getAllBlocks();else throw"Not Block or Workspace: "+a;a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVars();if(d)for(var e=0;e<d.length;e++){var f=d[e];f&&(a[f.toLowerCase()]=f)}}b=[];for(var g in a)b.push(a[g]);return b};
+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.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVariables=function(a){if(a instanceof Blockly.Block)var b=a.getDescendants();else if(a.getAllBlocks)b=a.getAllBlocks();else throw"Not Block or Workspace: "+a;a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVars();if(d)for(var e=0;e<d.length;e++){var f=d[e];f&&(a[f.toLowerCase()]=f)}}b=[];for(var g in a)b.push(a[g]);return b};
 Blockly.Variables.allVariables=function(a){a instanceof Blockly.Block&&console.warn("Deprecated call to Blockly.Variables.allVariables with a block instead of a workspace.  You may want Blockly.Variables.allUsedVariables");return a.variableList};
-Blockly.Variables.flyoutCategory=function(a){var b=a.variableList;b.sort(goog.string.caseInsensitiveCompare);var c=[],d=goog.dom.createDom("button");d.setAttribute("text",Blockly.Msg.NEW_VARIABLE);d.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariable(a.getTargetWorkspace())});c.push(d);if(0<b.length)for(Blockly.Blocks.variables_set&&(a=Blockly.Blocks.math_change?8:24,d='<xml><block type="variables_set" gap="'+a+'"><field name="VAR">'+
-b[0]+"</field></block></xml>",d=Blockly.Xml.textToDom(d).firstChild,c.push(d)),Blockly.Blocks.math_change&&(a=Blockly.Blocks.variables_get?20:8,d='<xml><block type="math_change" gap="'+a+'"><field name="VAR">'+b[0]+'</field><value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block></xml>',d=Blockly.Xml.textToDom(d).firstChild,c.push(d)),a=0;a<b.length;a++)Blockly.Blocks.variables_get&&(d='<xml><block type="variables_get" gap="8"><field name="VAR">'+b[a]+"</field></block></xml>",
-d=Blockly.Xml.textToDom(d).firstChild,c.push(d));return c};Blockly.Variables.generateUniqueName=function(a){a=a.variableList;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].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};
+Blockly.Variables.flyoutCategory=function(a){var b=a.variableList;b.sort(goog.string.caseInsensitiveCompare);var c=[];var d=goog.dom.createDom("button");d.setAttribute("text",Blockly.Msg.NEW_VARIABLE);d.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariable(a.getTargetWorkspace())});c.push(d);if(0<b.length)for(Blockly.Blocks.variables_set&&(a=Blockly.Blocks.math_change?8:24,d='<xml><block type="variables_set" gap="'+a+
+'"><field name="VAR">'+b[0]+"</field></block></xml>",d=Blockly.Xml.textToDom(d).firstChild,c.push(d)),Blockly.Blocks.math_change&&(a=Blockly.Blocks.variables_get?20:8,d='<xml><block type="math_change" gap="'+a+'"><field name="VAR">'+b[0]+'</field><value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block></xml>',d=Blockly.Xml.textToDom(d).firstChild,c.push(d)),a=0;a<b.length;a++)Blockly.Blocks.variables_get&&(d='<xml><block type="variables_get" gap="8"><field name="VAR">'+
+b[a]+"</field></block></xml>",d=Blockly.Xml.textToDom(d).firstChild,c.push(d));return c};Blockly.Variables.generateUniqueName=function(a){a=a.variableList;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].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};
 Blockly.Variables.createVariable=function(a,b){var c=function(d){Blockly.Variables.promptName(Blockly.Msg.NEW_VARIABLE_TITLE,d,function(d){d?-1!=a.variableIndexOf(d)?Blockly.alert(Blockly.Msg.VARIABLE_ALREADY_EXISTS.replace("%1",d.toLowerCase()),function(){c(d)}):(a.createVariable(d),b&&b(d)):b&&b(null)})};c("")};
 Blockly.Variables.promptName=function(a,b,c){Blockly.prompt(a,b,function(a){a&&(a=a.replace(/[\s\xa0]+/g," ").replace(/^ | $/g,""),a==Blockly.Msg.RENAME_VARIABLE||a==Blockly.Msg.NEW_VARIABLE)&&(a=null);c(a)})};Blockly.FieldVariable=function(a,b){Blockly.FieldVariable.superClass_.constructor.call(this,Blockly.FieldVariable.dropdownCreate,b);this.setValue(a||"")};goog.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.prototype.renameVarItemIndex_=-1;Blockly.FieldVariable.prototype.deleteVarItemIndex_=-1;Blockly.FieldVariable.prototype.init=function(){this.fieldGroup_||(Blockly.FieldVariable.superClass_.init.call(this),this.initModel())};
 Blockly.FieldVariable.prototype.initModel=function(){this.getValue()||this.setValue(Blockly.Variables.generateUniqueName(this.sourceBlock_.isInFlyout?this.sourceBlock_.workspace.targetWorkspace:this.sourceBlock_.workspace));this.sourceBlock_.isInFlyout||this.sourceBlock_.workspace.createVariable(this.getValue())};
 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.getText()};
 Blockly.FieldVariable.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_,"field",this.name,this.value_,a));this.value_=a;this.setText(a)};
-Blockly.FieldVariable.dropdownCreate=function(){var a=this.sourceBlock_&&this.sourceBlock_.workspace?this.sourceBlock_.workspace.variableList.slice(0):[],b=this.getText();b&&-1==a.indexOf(b)&&a.push(b);a.sort(goog.string.caseInsensitiveCompare);this.renameVarItemIndex_=a.length;a.push(Blockly.Msg.RENAME_VARIABLE);this.deleteVarItemIndex_=a.length;a.push(Blockly.Msg.DELETE_VARIABLE.replace("%1",b));for(var b=[],c=0;c<a.length;c++)b[c]=[a[c],a[c]];return b};
+Blockly.FieldVariable.dropdownCreate=function(){var a=this.sourceBlock_&&this.sourceBlock_.workspace?this.sourceBlock_.workspace.variableList.slice(0):[];var b=this.getText();b&&-1==a.indexOf(b)&&a.push(b);a.sort(goog.string.caseInsensitiveCompare);this.renameVarItemIndex_=a.length;a.push(Blockly.Msg.RENAME_VARIABLE);this.deleteVarItemIndex_=a.length;a.push(Blockly.Msg.DELETE_VARIABLE.replace("%1",b));for(var b=[],c=0;c<a.length;c++)b[c]=[a[c],a[c]];return b};
 Blockly.FieldVariable.prototype.onItemSelected=function(a,b){var c=b.getValue();if(this.sourceBlock_){var d=this.sourceBlock_.workspace;if(0<=this.renameVarItemIndex_&&a.getChildAt(this.renameVarItemIndex_)===b){var e=this.getText();Blockly.hideChaff();Blockly.Variables.promptName(Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",e),e,function(a){a&&d.renameVariable(e,a)});return}if(0<=this.deleteVarItemIndex_&&a.getChildAt(this.deleteVarItemIndex_)===b){d.deleteVariable(this.getText());return}c=this.callValidator(c)}null!==
 c&&this.setValue(c)};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&&this.scrubNakedValue&&(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")};
@@ -1419,17 +1421,17 @@ Blockly.Generator.prototype.addLoopTrap=function(a,b){b=b.replace(/\$/g,"$$$$");
 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;for(var c=b.join("\n").replace(this.FUNCTION_NAME_PLACEHOLDER_REGEXP_,c),d;d!=c;)d=c,c=c.replace(/^((  )*)  /gm,"$1\x00");c=c.replace(/\0/g,this.INDENT);this.definitions_[a]=c}return this.functionNames_[a]};Blockly.Generator.prototype.init=void 0;Blockly.Generator.prototype.scrub_=void 0;
 Blockly.Generator.prototype.finish=void 0;Blockly.Generator.prototype.scrubNakedValue=void 0;Blockly.Names=function(a,b){this.variablePrefix_=b||"";this.reservedDict_=Object.create(null);if(a)for(var c=a.split(","),d=0;d<c.length;d++)this.reservedDict_[c[d]]=!0;this.reset()};Blockly.Names.prototype.reset=function(){this.db_=Object.create(null);this.dbReverse_=Object.create(null)};
 Blockly.Names.prototype.getName=function(a,b){var c=a.toLowerCase()+"_"+b,d=b==Blockly.Variables.NAME_TYPE?this.variablePrefix_:"";if(c in this.db_)return d+this.db_[c];var e=this.getDistinctName(a,b);this.db_[c]=e.substr(d.length);return e};Blockly.Names.prototype.getDistinctName=function(a,b){for(var c=this.safeName_(a),d="";this.dbReverse_[c+d]||c+d in this.reservedDict_;)d=d?d+1:2;c+=d;this.dbReverse_[c]=!0;return(b==Blockly.Variables.NAME_TYPE?this.variablePrefix_:"")+c};
-Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a="unnamed";return a};Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.allProcedures=function(a){a=a.getAllBlocks();for(var b=[],c=[],d=0;d<a.length;d++)if(a[d].getProcedureDef){var e=a[d].getProcedureDef();e&&(e[2]?b.push(e):c.push(e))}c.sort(Blockly.Procedures.procTupleComparator_);b.sort(Blockly.Procedures.procTupleComparator_);return[c,b]};Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};
+Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a="unnamed";return a};Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.NAME_TYPE=Blockly.PROCEDURE_CATEOGORY_NAME;Blockly.Procedures.allProcedures=function(a){a=a.getAllBlocks();for(var b=[],c=[],d=0;d<a.length;d++)if(a[d].getProcedureDef){var e=a[d].getProcedureDef();e&&(e[2]?b.push(e):c.push(e))}c.sort(Blockly.Procedures.procTupleComparator_);b.sort(Blockly.Procedures.procTupleComparator_);return[c,b]};Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};
 Blockly.Procedures.findLegalName=function(a,b){if(b.isInFlyout)return a;for(;!Blockly.Procedures.isLegalName_(a,b.workspace,b);){var c=a.match(/^(.*?)(\d+)$/);a=c?c[1]+(parseInt(c[2],10)+1):a+"2"}return a};Blockly.Procedures.isLegalName_=function(a,b,c){b=b.getAllBlocks();for(var d=0;d<b.length;d++)if(b[d]!=c&&b[d].getProcedureDef){var e=b[d].getProcedureDef();if(Blockly.Names.equals(e[0],a))return!1}return!0};
 Blockly.Procedures.rename=function(a){a=a.replace(/^[\s\xa0]+|[\s\xa0]+$/g,"");var b=Blockly.Procedures.findLegalName(a,this.sourceBlock_),c=this.text_;if(c!=a&&c!=b){a=this.sourceBlock_.workspace.getAllBlocks();for(var d=0;d<a.length;d++)a[d].renameProcedure&&a[d].renameProcedure(c,b)}return b};
-Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var e=a[d][0],f=a[d][1],g=goog.dom.createDom("block");g.setAttribute("type",b);g.setAttribute("gap",16);var l=goog.dom.createDom("mutation");l.setAttribute("name",e);g.appendChild(l);for(e=0;e<f.length;e++){var n=goog.dom.createDom("arg");n.setAttribute("name",f[e]);l.appendChild(n)}c.push(g)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=goog.dom.createDom("block");d.setAttribute("type","procedures_defnoreturn");
+Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var e=a[d][0],f=a[d][1],g=goog.dom.createDom("block");g.setAttribute("type",b);g.setAttribute("gap",16);var m=goog.dom.createDom("mutation");m.setAttribute("name",e);g.appendChild(m);for(e=0;e<f.length;e++){var q=goog.dom.createDom("arg");q.setAttribute("name",f[e]);m.appendChild(q)}c.push(g)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=goog.dom.createDom("block");d.setAttribute("type","procedures_defnoreturn");
 d.setAttribute("gap",16);var e=goog.dom.createDom("field",null,Blockly.Msg.PROCEDURES_DEFNORETURN_PROCEDURE);e.setAttribute("name","NAME");d.appendChild(e);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=goog.dom.createDom("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),e=goog.dom.createDom("field",null,Blockly.Msg.PROCEDURES_DEFRETURN_PROCEDURE),e.setAttribute("name","NAME"),d.appendChild(e),c.push(d));Blockly.Blocks.procedures_ifreturn&&(d=goog.dom.createDom("block"),
 d.setAttribute("type","procedures_ifreturn"),d.setAttribute("gap",16),c.push(d));c.length&&c[c.length-1].setAttribute("gap",24);a=Blockly.Procedures.allProcedures(a);b(a[0],"procedures_callnoreturn");b(a[1],"procedures_callreturn");return c};Blockly.Procedures.getCallers=function(a,b){for(var c=[],d=b.getAllBlocks(),e=0;e<d.length;e++)if(d[e].getProcedureCall){var f=d[e].getProcedureCall();f&&Blockly.Names.equals(f,a)&&c.push(d[e])}return c};
 Blockly.Procedures.mutateCallers=function(a){var b=Blockly.Events.recordUndo,c=a.getProcedureDef()[0],d=a.mutationToDom(!0);a=Blockly.Procedures.getCallers(c,a.workspace);for(var c=0,e;e=a[c];c++){var f=e.mutationToDom(),f=f&&Blockly.Xml.domToText(f);e.domToMutation(d);var g=e.mutationToDom(),g=g&&Blockly.Xml.domToText(g);f!=g&&(Blockly.Events.recordUndo=!1,Blockly.Events.fire(new Blockly.Events.Change(e,"mutation",null,f,g)),Blockly.Events.recordUndo=b)}};
 Blockly.Procedures.getDefinition=function(a,b){for(var c=b.getTopBlocks(!1),d=0;d<c.length;d++)if(c[d].getProcedureDef){var e=c[d].getProcedureDef();if(e&&Blockly.Names.equals(e[0],a))return c[d]}return null};Blockly.FlyoutButton=function(a,b,c,d){this.workspace_=a;this.targetWorkspace_=b;this.text_=c.getAttribute("text");this.position_=new goog.math.Coordinate(0,0);this.isLabel_=d;this.callback_=null;a=c.getAttribute("callbackKey");this.isLabel_&&a?console.warn("Labels should not have callbacks. Label text: "+this.text_):this.isLabel_||a&&b.getButtonCallback(a)?this.callback_=b.getButtonCallback(a):console.warn("Buttons should have callbacks. Button text: "+this.text_);this.cssClass_=c.getAttribute("web-class")||
 null};Blockly.FlyoutButton.MARGIN=5;Blockly.FlyoutButton.prototype.width=0;Blockly.FlyoutButton.prototype.height=0;
-Blockly.FlyoutButton.prototype.createDom=function(){var a=this.isLabel_?"blocklyFlyoutLabel":"blocklyFlyoutButton";this.cssClass_&&(a+=" "+this.cssClass_);this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":a},this.workspace_.getCanvas());if(!this.isLabel_)var b=Blockly.utils.createSvgElement("rect",{"class":"blocklyFlyoutButtonShadow",rx:4,ry:4,x:1,y:1},this.svgGroup_);var a=Blockly.utils.createSvgElement("rect",{"class":this.isLabel_?"blocklyFlyoutLabelBackground":"blocklyFlyoutButtonBackground",
-rx:4,ry:4},this.svgGroup_),c=Blockly.utils.createSvgElement("text",{"class":this.isLabel_?"blocklyFlyoutLabelText":"blocklyText",x:0,y:0,"text-anchor":"middle"},this.svgGroup_);c.textContent=this.text_;this.width=c.getComputedTextLength()+2*Blockly.FlyoutButton.MARGIN;this.height=20;this.isLabel_||(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.prototype.createDom=function(){var a,b=this.isLabel_?"blocklyFlyoutLabel":"blocklyFlyoutButton";this.cssClass_&&(b+=" "+this.cssClass_);this.svgGroup_=Blockly.utils.createSvgElement("g",{"class":b},this.workspace_.getCanvas());this.isLabel_||(a=Blockly.utils.createSvgElement("rect",{"class":"blocklyFlyoutButtonShadow",rx:4,ry:4,x:1,y:1},this.svgGroup_));var b=Blockly.utils.createSvgElement("rect",{"class":this.isLabel_?"blocklyFlyoutLabelBackground":"blocklyFlyoutButtonBackground",
+rx:4,ry:4},this.svgGroup_),c=Blockly.utils.createSvgElement("text",{"class":this.isLabel_?"blocklyFlyoutLabelText":"blocklyText",x:0,y:0,"text-anchor":"middle"},this.svgGroup_);c.textContent=this.text_;this.width=c.getComputedTextLength()+2*Blockly.FlyoutButton.MARGIN;this.height=20;this.isLabel_||(a.setAttribute("width",this.width),a.setAttribute("height",this.height));b.setAttribute("width",this.width);b.setAttribute("height",this.height);c.setAttribute("x",this.width/2);c.setAttribute("y",this.height-
 Blockly.FlyoutButton.MARGIN);this.updateTransform_();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.getTargetWorkspace=function(){return this.targetWorkspace_};Blockly.FlyoutButton.prototype.dispose=function(){this.svgGroup_&&(goog.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.targetWorkspace_=this.workspace_=null};Blockly.FlyoutButton.prototype.onMouseUp=function(a){a.preventDefault();a.stopPropagation();Blockly.Flyout.terminateDrag_();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.horizontalLayout_=a.horizontalLayout;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.backgroundButtons_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[];this.startDragMouseX_=this.startDragMouseY_=0};Blockly.Flyout.startFlyout_=null;
 Blockly.Flyout.startDownEvent_=null;Blockly.Flyout.startBlock_=null;Blockly.Flyout.onMouseUpWrapper_=null;Blockly.Flyout.onMouseMoveWrapper_=null;Blockly.Flyout.onMouseMoveBlockWrapper_=null;Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.isVisible_=!1;Blockly.Flyout.prototype.containerVisible_=!0;Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.DRAG_RADIUS=10;Blockly.Flyout.prototype.MARGIN=Blockly.Flyout.prototype.CORNER_RADIUS;Blockly.Flyout.prototype.GAP_X=3*Blockly.Flyout.prototype.MARGIN;
@@ -1449,7 +1451,7 @@ d.join(" "))};
 Blockly.Flyout.prototype.setBackgroundPathHorizontal_=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.Flyout.prototype.scrollToStart=function(){this.scrollbar_.set(this.horizontalLayout_&&this.RTL?Infinity:0)};
 Blockly.Flyout.prototype.wheel_=function(a){var b=this.horizontalLayout_?a.deltaX:a.deltaY;if(b){goog.userAgent.GECKO&&(b*=10);var c=this.getMetrics_(),b=this.horizontalLayout_?c.viewLeft+b:c.viewTop+b,b=Math.min(b,this.horizontalLayout_?c.contentWidth-c.viewWidth:c.contentHeight-c.viewHeight),b=Math.max(b,0);this.scrollbar_.set(b)}a.preventDefault();a.stopPropagation()};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;a=this.containerVisible_?this.isVisible():!1;this.svgGroup_.style.display=a?"block":"none";this.scrollbar_.setContainerVisible(a)};
+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.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=
 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_,
@@ -1469,7 +1471,7 @@ Blockly.Flyout.prototype.determineDragIntention_=function(a,b){if(this.dragMode_
 Blockly.Flyout.prototype.isDragTowardWorkspace_=function(a,b){var c=Math.atan2(b,a)/Math.PI*180,d=this.dragAngleRange_;if(this.horizontalLayout_){if(c<90+d&&c>90-d||c>-90-d&&c<-90+d)return!0}else if(c<d&&c>-d||c<-180+d||c>180-d)return!0;return!1};
 Blockly.Flyout.prototype.createBlockFunc_=function(a){var b=this;return function(c){if(!Blockly.utils.isRightButton(c)&&!a.disabled){Blockly.Events.disable();b.targetWorkspace_.setResizesEnabled(!1);try{var d=b.placeNewBlock_(a)}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&(Blockly.Events.setGroup(!0),Blockly.Events.fire(new Blockly.Events.Create(d)));b.autoClose?b.hide():b.filterForCapacity_();if(goog.userAgent.IE||goog.userAgent.EDGE)for(var e=d.getDescendants(),f=e.length-1;0<=f;f--)e[f].render(!1);
 d.onMouseDown_(c);Blockly.dragMode_=Blockly.DRAG_FREE;d.setDragging_(!0);d.moveToDragSurface_()}}};
-Blockly.Flyout.prototype.placeNewBlock_=function(a){var b=this.targetWorkspace_,c=a.getSvgRoot();if(!c)throw"originBlock is not rendered.";var c=b.isMutator?this.workspace_.getSvgXY(c):Blockly.utils.getInjectionDivXY_(c),d=this.workspace_.scrollX,e=this.workspace_.scale;c.x+=d/e-d;this.toolboxPosition_==Blockly.TOOLBOX_AT_RIGHT&&(d=b.getMetrics().viewWidth-this.width_,e=b.scale,c.x+=d/e-d);d=this.workspace_.scrollY;e=this.workspace_.scale;c.y+=d/e-d;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&
+Blockly.Flyout.prototype.placeNewBlock_=function(a){var b=this.targetWorkspace_;var c=a.getSvgRoot();if(!c)throw"originBlock is not rendered.";c=b.isMutator?this.workspace_.getSvgXY(c):Blockly.utils.getInjectionDivXY_(c);var d=this.workspace_.scrollX;var e=this.workspace_.scale;c.x+=d/e-d;this.toolboxPosition_==Blockly.TOOLBOX_AT_RIGHT&&(d=b.getMetrics().viewWidth-this.width_,e=b.scale,c.x+=d/e-d);d=this.workspace_.scrollY;e=this.workspace_.scale;c.y+=d/e-d;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&
 (d=b.getMetrics().viewHeight-this.height_,e=b.scale,c.y+=d/e-d);a=Blockly.Xml.blockToDom(a);a=Blockly.Xml.domToBlock(a,b);e=a.getSvgRoot();if(!e)throw"block is not rendered.";e=b.isMutator?b.getSvgXY(e):Blockly.utils.getInjectionDivXY_(e);e.x+=b.scrollX/b.scale-b.scrollX;e.y+=b.scrollY/b.scale-b.scrollY;b.toolbox_&&!b.scrollbar&&(e.x+=b.toolbox_.getWidth()/b.scale,e.y+=b.toolbox_.getHeight()/b.scale);a.moveBy(c.x-e.x,c.y-e.y);return a};
 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();d.setDisabled(e.length>a)}};
 Blockly.Flyout.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect(),b=a.left,c=a.top,d=a.width,a=a.height;return this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP?new goog.math.Rect(-1E9,c-1E9,2E9,1E9+a):this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM?new goog.math.Rect(-1E9,c,2E9,1E9+a):this.toolboxPosition_==Blockly.TOOLBOX_AT_LEFT?new goog.math.Rect(b-1E9,-1E9,1E9+d,2E9):new goog.math.Rect(b,-1E9,1E9+d,2E9)};
@@ -1488,7 +1490,7 @@ Blockly.Toolbox.prototype.position=function(){var a=this.HtmlDiv;if(a){var b=thi
 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.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"));e=this.tree_.createNode(e);e.blocks=[];b.add(e);var h=g.getAttribute("custom");h?e.blocks=h:(h=this.syncTrees_(g,e,c))&&(d=h);h=Blockly.utils.replaceMessageReferences(g.getAttribute("colour"));goog.isString(h)?(h.match(/^#[0-9a-fA-F]{6}$/)?e.hexColour=h:e.hexColour=Blockly.hueToRgb(h),
 this.hasColours_=!0):e.hexColour="";"true"==g.getAttribute("expanded")?(e.blocks.length&&(d=e),e.setExpanded(!0)):e.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();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)};Blockly.Toolbox.prototype.addDeleteStyle=function(){Blockly.utils.addClass(this.HtmlDiv,"blocklyToolboxDelete")};
+Blockly.Toolbox.prototype.addColour_=function(a){for(var b=(a||this.tree_).getChildren(),c=0,d;d=b[c];c++){var e=d.getRowElement();e&&(a=this.hasColours_?"8px solid "+(d.hexColour||"#ddd"):"none",this.workspace_.RTL?e.style.borderRight=a:e.style.borderLeft=a);this.addColour_(d)}};Blockly.Toolbox.prototype.clearSelection=function(){this.tree_.setSelectedItem(null)};Blockly.Toolbox.prototype.addDeleteStyle=function(){Blockly.utils.addClass(this.HtmlDiv,"blocklyToolboxDelete")};
 Blockly.Toolbox.prototype.removeDeleteStyle=function(){Blockly.utils.removeClass(this.HtmlDiv,"blocklyToolboxDelete")};
 Blockly.Toolbox.prototype.getClientRect=function(){if(!this.HtmlDiv)return null;var a=this.HtmlDiv.getBoundingClientRect(),b=a.left,c=a.top,d=a.width,a=a.height;return this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT?new goog.math.Rect(-1E7,-1E7,1E7+b+d,2E7):this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT?new goog.math.Rect(b,-1E7,1E7+d,2E7):this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?new goog.math.Rect(-1E7,-1E7,2E7,1E7+c+a):new goog.math.Rect(0,c,2E7,1E7+d)};
 Blockly.Toolbox.prototype.refreshSelection=function(){var a=this.tree_.getSelectedItem();a&&a.blocks&&this.flyout_.show(a.blocks)};Blockly.Toolbox.TreeControl=function(a,b){this.toolbox_=a;goog.ui.tree.TreeControl.call(this,goog.html.SafeHtml.EMPTY,b)};goog.inherits(Blockly.Toolbox.TreeControl,goog.ui.tree.TreeControl);
@@ -1534,7 +1536,7 @@ e},d);Blockly.utils.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",stdDev
 {"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;d=Blockly.utils.createSvgElement("pattern",{id:"blocklyGridPattern"+e,patternUnits:"userSpaceOnUse"},
 d);0<b.gridOptions.length&&0<b.gridOptions.spacing&&(Blockly.utils.createSvgElement("line",{stroke:b.gridOptions.colour},d),1<b.gridOptions.length&&Blockly.utils.createSvgElement("line",{stroke:b.gridOptions.colour},d));b.gridPattern=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(Blockly.dragMode_==Blockly.DRAG_NONE){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),m=0,p;p=k[m];m++){var l=p.getRelativeToSurfaceXY(),n=p.getHeightWidth(),q=d+25-n.height-l.y;0<q&&p.moveBy(0,q);q=d+a.viewHeight-25-l.y;0>q&&p.moveBy(0,q);q=25+c-l.x-(b.RTL?0:n.width);0<q&&p.moveBy(q,0);l=c+a.viewWidth-25-l.x+(b.RTL?n.width:0);0>l&&p.moveBy(l,0)}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();
+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(),q=n.getHeightWidth(),p=d+25-q.height-m.y;0<p&&n.moveBy(0,p);p=d+a.viewHeight-25-m.y;0>p&&n.moveBy(0,p);p=25+c-m.x-(b.RTL?0:q.width);0<p&&n.moveBy(p,0);m=c+a.viewWidth-25-m.x+(b.RTL?q.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=
 a.flyout_.width_,b.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT&&(a.scrollX*=-1),a.translate(a.scrollX,0)));b.hasScrollbars&&(a.scrollbar=new Blockly.ScrollbarPair(a),a.scrollbar.resize());b.hasSounds&&Blockly.inject.loadSounds_(b.pathToMedia,a)};
@@ -1548,6 +1550,6 @@ Blockly.terminateDrag_=function(){Blockly.BlockSvg.terminateDrag();Blockly.Flyou
 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,c;c=a[b];b++){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)})}};
-Blockly.bindEventWithChecks_=function(a,b,c,d,e){var f=!1,g=function(a){var b=!e;a=Blockly.Touch.splitEventByTouches(a);for(var g=0,h;h=a[g];g++)if(!b||Blockly.Touch.shouldHandleEvent(h))Blockly.Touch.setClientFromTouch(h),c?d.call(c,h):d(h),f=!0};a.addEventListener(b,g,!1);var h=[[a,b,g]];if(b in Blockly.Touch.TOUCH_MAP)for(var k=function(a){g(a);f&&a.preventDefault()},m=0,p;p=Blockly.Touch.TOUCH_MAP[b][m];m++)a.addEventListener(p,k,!1),h.push([a,p,k]);return h};
-Blockly.bindEvent_=function(a,b,c,d){var e=function(a){c?d.call(c,a):d(a)};a.addEventListener(b,e,!1);var f=[[a,b,e]];if(b in Blockly.Touch.TOUCH_MAP)for(var g=function(a){if(1==a.changedTouches.length){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}e(a);a.preventDefault()},h=0,k;k=Blockly.Touch.TOUCH_MAP[b][h];h++)a.addEventListener(k,g,!1),f.push([a,k,g]);return f};Blockly.unbindEvent_=function(a){for(;a.length;){var b=a.pop(),c=b[2];b[0].removeEventListener(b[1],c,!1)}return c};
-Blockly.isNumber=function(a){return!!a.match(/^\s*-?\d+(\.\d+)?\s*$/)};goog.global.console||(goog.global.console={log:function(){},warn:function(){}});goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.getMainWorkspace=Blockly.getMainWorkspace;goog.global.Blockly.addChangeListener=Blockly.addChangeListener;
\ No newline at end of file
+Blockly.bindEventWithChecks_=function(a,b,c,d,e){var f=!1,g=function(a){var b=!e;a=Blockly.Touch.splitEventByTouches(a);for(var g=0,h;h=a[g];g++)if(!b||Blockly.Touch.shouldHandleEvent(h))Blockly.Touch.setClientFromTouch(h),c?d.call(c,h):d(h),f=!0};a.addEventListener(b,g,!1);var h=[[a,b,g]];if(b in Blockly.Touch.TOUCH_MAP)for(var k=function(a){g(a);f&&a.preventDefault()},l=0,n;n=Blockly.Touch.TOUCH_MAP[b][l];l++)a.addEventListener(n,k,!1),h.push([a,n,k]);return h};
+Blockly.bindEvent_=function(a,b,c,d){var e=function(a){c?d.call(c,a):d(a)};a.addEventListener(b,e,!1);var f=[[a,b,e]];if(b in Blockly.Touch.TOUCH_MAP)for(var g=function(a){if(1==a.changedTouches.length){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}e(a);a.preventDefault()},h=0,k;k=Blockly.Touch.TOUCH_MAP[b][h];h++)a.addEventListener(k,g,!1),f.push([a,k,g]);return f};
+Blockly.unbindEvent_=function(a){for(var b;a.length;){b=a.pop();var c=b[0],d=b[1];b=b[2];c.removeEventListener(d,b,!1)}return b};Blockly.isNumber=function(a){return!!a.match(/^\s*-?\d+(\.\d+)?\s*$/)};goog.global.console||(goog.global.console={log:function(){},warn:function(){}});goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.getMainWorkspace=Blockly.getMainWorkspace;goog.global.Blockly.addChangeListener=Blockly.addChangeListener;
\ No newline at end of file
diff --git a/blocks_compressed.js b/blocks_compressed.js
index 34ac06b75..cb1db6632 100644
--- a/blocks_compressed.js
+++ b/blocks_compressed.js
@@ -31,7 +31,7 @@ this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number")
 Blockly.Blocks.lists_getSublist={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.LISTS_GET_SUBLIST_HELPURL);this.setColour(Blockly.Blocks.lists.HUE);
 this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_SUBLIST_INPUT_IN_LIST);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_SUBLIST_TAIL);this.setInputsInline(!0);this.setOutput(!0,"Array");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT1").type==
 Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
-this.appendDummyInput("AT"+a);var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(c){var e="FROM_START"==c||"FROM_END"==c;if(e!=b){var d=this.sourceBlock_;d.updateAt_(a,e);d.setFieldValue(c,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&(this.moveInputBefore("AT1","AT2"),this.getInput("ORDINAL1")&&this.moveInputBefore("ORDINAL1","AT2"));Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.moveInputBefore("TAIL",null)}};
+this.appendDummyInput("AT"+a);var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(c){var d="FROM_START"==c||"FROM_END"==c;if(d!=b){var f=this.sourceBlock_;f.updateAt_(a,d);f.setFieldValue(c,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&(this.moveInputBefore("AT1","AT2"),this.getInput("ORDINAL1")&&this.moveInputBefore("ORDINAL1","AT2"));Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.moveInputBefore("TAIL",null)}};
 Blockly.Blocks.lists_sort={init:function(){this.jsonInit({message0:Blockly.Msg.LISTS_SORT_TITLE,args0:[{type:"field_dropdown",name:"TYPE",options:[[Blockly.Msg.LISTS_SORT_TYPE_NUMERIC,"NUMERIC"],[Blockly.Msg.LISTS_SORT_TYPE_TEXT,"TEXT"],[Blockly.Msg.LISTS_SORT_TYPE_IGNORECASE,"IGNORE_CASE"]]},{type:"field_dropdown",name:"DIRECTION",options:[[Blockly.Msg.LISTS_SORT_ORDER_ASCENDING,"1"],[Blockly.Msg.LISTS_SORT_ORDER_DESCENDING,"-1"]]},{type:"input_value",name:"LIST",check:"Array"}],output:"Array",colour:Blockly.Blocks.lists.HUE,
 tooltip:Blockly.Msg.LISTS_SORT_TOOLTIP,helpUrl:Blockly.Msg.LISTS_SORT_HELPURL})}};
 Blockly.Blocks.lists_split={init:function(){var a=this,b=new Blockly.FieldDropdown([[Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT,"SPLIT"],[Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST,"JOIN"]],function(b){a.updateType_(b)});this.setHelpUrl(Blockly.Msg.LISTS_SPLIT_HELPURL);this.setColour(Blockly.Blocks.lists.HUE);this.appendValueInput("INPUT").setCheck("String").appendField(b,"MODE");this.appendValueInput("DELIM").setCheck("String").appendField(Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER);this.setInputsInline(!0);
@@ -56,7 +56,7 @@ Blockly.Extensions.register("math_change_tooltip",Blockly.Extensions.buildToolti
 Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION=function(){this.getField("OP").setValidator(function(a){this.updateType_(a)}.bind(this))};Blockly.Extensions.registerMutator("math_modes_of_list_mutator",Blockly.Constants.Math.LIST_MODES_MUTATOR_MIXIN,Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION);Blockly.Blocks.variables={};Blockly.Constants.Variables={};Blockly.Constants.Variables.HUE=330;Blockly.Blocks.variables.HUE=Blockly.Constants.Variables.HUE;
 Blockly.defineBlocksWithJsonArray([{type:"variables_get",message0:"%1",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"}],output:null,colour:"%{BKY_VARIABLES_HUE}",helpUrl:"%{BKY_VARIABLES_GET_HELPURL}",tooltip:"%{BKY_VARIABLES_GET_TOOLTIP}",extensions:["contextMenu_variableSetterGetter"]},{type:"variables_set",message0:"%{BKY_VARIABLES_SET}",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"},{type:"input_value",name:"VALUE"}],previousStatement:null,
 nextStatement:null,colour:"%{BKY_VARIABLES_HUE}",tooltip:"%{BKY_VARIABLES_SET_TOOLTIP}",helpUrl:"%{BKY_VARIABLES_SET_HELPURL}",extensions:["contextMenu_variableSetterGetter"]}]);
-Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN={customContextMenu:function(a){if("variables_get"==this.type)var b="variables_set",c=Blockly.Msg.VARIABLES_GET_CREATE_SET;else b="variables_get",c=Blockly.Msg.VARIABLES_SET_CREATE_GET;var d={enabled:0<this.workspace.remainingCapacity()},e=this.getFieldValue("VAR");d.text=c.replace("%1",e);c=goog.dom.createDom("field",null,e);c.setAttribute("name","VAR");c=goog.dom.createDom("block",null,c);c.setAttribute("type",b);d.callback=
+Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN={customContextMenu:function(a){if("variables_get"==this.type){var b="variables_set";var c=Blockly.Msg.VARIABLES_GET_CREATE_SET}else b="variables_get",c=Blockly.Msg.VARIABLES_SET_CREATE_GET;var d={enabled:0<this.workspace.remainingCapacity()},e=this.getFieldValue("VAR");d.text=c.replace("%1",e);c=goog.dom.createDom("field",null,e);c.setAttribute("name","VAR");c=goog.dom.createDom("block",null,c);c.setAttribute("type",b);d.callback=
 Blockly.ContextMenu.callbackFactory(this,c);a.push(d)}};Blockly.Extensions.registerMixin("contextMenu_variableSetterGetter",Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);Blockly.Blocks.colour={};Blockly.Constants.Colour={};Blockly.Constants.Colour.HUE=20;Blockly.Blocks.colour.HUE=Blockly.Constants.Colour.HUE;
 Blockly.defineBlocksWithJsonArray([{type:"colour_picker",message0:"%1",args0:[{type:"field_colour",name:"COLOUR",colour:"#ff0000"}],output:"Colour",colour:"%{BKY_COLOUR_HUE}",helpUrl:"%{BKY_COLOUR_PICKER_HELPURL}",tooltip:"%{BKY_COLOUR_PICKER_TOOLTIP}",extensions:["parent_tooltip_when_inline"]},{type:"colour_random",message0:"%{BKY_COLOUR_RANDOM_TITLE}",output:"Colour",colour:"%{BKY_COLOUR_HUE}",helpUrl:"%{BKY_COLOUR_RANDOM_HELPURL}",tooltip:"%{BKY_COLOUR_RANDOM_TOOLTIP}"},{type:"colour_rgb",message0:"%{BKY_COLOUR_RGB_TITLE} %{BKY_COLOUR_RGB_RED} %1 %{BKY_COLOUR_RGB_GREEN} %2 %{BKY_COLOUR_RGB_BLUE} %3",
 args0:[{type:"input_value",name:"RED",check:"Number",align:"RIGHT"},{type:"input_value",name:"GREEN",check:"Number",align:"RIGHT"},{type:"input_value",name:"BLUE",check:"Number",align:"RIGHT"}],output:"Colour",colour:"%{BKY_COLOUR_HUE}",helpUrl:"%{BKY_COLOUR_RGB_HELPURL}",tooltip:"%{BKY_COLOUR_RGB_TOOLTIP}"},{type:"colour_blend",message0:"%{BKY_COLOUR_BLEND_TITLE} %{BKY_COLOUR_BLEND_COLOUR1} %1 %{BKY_COLOUR_BLEND_COLOUR2} %2 %{BKY_COLOUR_BLEND_RATIO} %3",args0:[{type:"input_value",name:"COLOUR1",
@@ -68,7 +68,7 @@ mutationToDom:function(a){var b=document.createElement("mutation");a&&b.setAttri
 this.arguments_.push(c.getAttribute("name"));this.updateParams_();Blockly.Procedures.mutateCallers(this);this.setStatements_("false"!==a.getAttribute("statements"))},decompose:function(a){var b=a.newBlock("procedures_mutatorcontainer");b.initSvg();this.getInput("RETURN")?b.setFieldValue(this.hasStatements_?"TRUE":"FALSE","STATEMENTS"):b.getInput("STATEMENT_INPUT").setVisible(!1);for(var c=b.getInput("STACK").connection,d=0;d<this.arguments_.length;d++){var e=a.newBlock("procedures_mutatorarg");e.initSvg();
 e.setFieldValue(this.arguments_[d],"NAME");e.oldLocation=d;c.connect(e.previousConnection);c=e.nextConnection}Blockly.Procedures.mutateCallers(this);return b},compose:function(a){this.arguments_=[];this.paramIds_=[];for(var b=a.getInputTargetBlock("STACK");b;)this.arguments_.push(b.getFieldValue("NAME")),this.paramIds_.push(b.id),b=b.nextConnection&&b.nextConnection.targetBlock();this.updateParams_();Blockly.Procedures.mutateCallers(this);a=a.getFieldValue("STATEMENTS");if(null!==a&&(a="TRUE"==a,
 this.hasStatements_!=a))if(a)this.setStatements_(!0),Blockly.Mutator.reconnect(this.statementConnection_,this,"STACK"),this.statementConnection_=null;else{a=this.getInput("STACK").connection;if(this.statementConnection_=a.targetConnection)a=a.targetBlock(),a.unplug(),a.bumpNeighbours_();this.setStatements_(!1)}},getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!1]},getVars:function(){return this.arguments_},renameVar:function(a,b){for(var c=!1,d=0;d<this.arguments_.length;d++)Blockly.Names.equals(a,
-this.arguments_[d])&&(this.arguments_[d]=b,c=!0);if(c&&(this.updateParams_(),this.mutator.isVisible()))for(var c=this.mutator.workspace_.getAllBlocks(),d=0,e;e=c[d];d++)"procedures_mutatorarg"==e.type&&Blockly.Names.equals(a,e.getFieldValue("NAME"))&&e.setFieldValue(b,"NAME")},customContextMenu:function(a){var b={enabled:!0},c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var d=goog.dom.createDom("mutation");d.setAttribute("name",c);for(var e=0;e<this.arguments_.length;e++)c=
+this.arguments_[d])&&(this.arguments_[d]=b,c=!0);if(c&&(this.updateParams_(),this.mutator.isVisible()))for(var c=this.mutator.workspace_.getAllBlocks(),d=0,e;e=c[d];d++)"procedures_mutatorarg"==e.type&&Blockly.Names.equals(a,e.getFieldValue("NAME"))&&e.setFieldValue(b,"NAME")},customContextMenu:function(a){var b={enabled:!0};var c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var d=goog.dom.createDom("mutation");d.setAttribute("name",c);for(var e=0;e<this.arguments_.length;e++)c=
 goog.dom.createDom("arg"),c.setAttribute("name",this.arguments_[e]),d.appendChild(c);d=goog.dom.createDom("block",null,d);d.setAttribute("type",this.callType_);b.callback=Blockly.ContextMenu.callbackFactory(this,d);a.push(b);if(!this.isCollapsed())for(e=0;e<this.arguments_.length;e++)b={enabled:!0},c=this.arguments_[e],b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c),d=goog.dom.createDom("field",null,c),d.setAttribute("name","VAR"),d=goog.dom.createDom("block",null,d),d.setAttribute("type",
 "variables_get"),b.callback=Blockly.ContextMenu.callbackFactory(this,d),a.push(b)},callType_:"procedures_callnoreturn"};
 Blockly.Blocks.procedures_defreturn={init:function(){var a=new Blockly.FieldTextInput("",Blockly.Procedures.rename);a.setSpellcheck(!1);this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_DEFRETURN_TITLE).appendField(a,"NAME").appendField("","PARAMS");this.appendValueInput("RETURN").setAlign(Blockly.ALIGN_RIGHT).appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setMutator(new Blockly.Mutator(["procedures_mutatorarg"]));(this.workspace.options.comments||this.workspace.options.parentWorkspace&&
@@ -78,12 +78,12 @@ callType_:"procedures_callreturn"};Blockly.Blocks.procedures_mutatorcontainer={i
 Blockly.Blocks.procedures_mutatorarg={init:function(){var a=new Blockly.FieldTextInput("x",this.validator_);this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_MUTATORARG_TITLE).appendField(a,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Blocks.procedures.HUE);this.setTooltip(Blockly.Msg.PROCEDURES_MUTATORARG_TOOLTIP);this.contextMenu=!1;a.onFinishEditing_=this.createNewVar_;a.onFinishEditing_("x")},validator_:function(a){return(a=a.replace(/[\s\xa0]+/g,
 " ").replace(/^ | $/g,""))||null},createNewVar_:function(a){var b=this.sourceBlock_;b&&b.workspace&&b.workspace.options&&b.workspace.options.parentWorkspace&&b.workspace.options.parentWorkspace.createVariable(a)}};
 Blockly.Blocks.procedures_callnoreturn={init:function(){this.appendDummyInput("TOPROW").appendField(this.id,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Blocks.procedures.HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL);this.arguments_=[];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),d=c&&c.mutator&&c.mutator.isVisible();d||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(goog.array.equals(this.arguments_,a))this.quarkIds_=b;else{if(b.length!=a.length)throw"Error: paramNames and paramIds must be the same length.";
-this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},a.join("\n")==this.arguments_.join("\n")?this.quarkIds_=b:this.quarkIds_=[]);c=this.rendered;this.rendered=!1;for(var e=0;e<this.arguments_.length;e++){var f=this.getInput("ARG"+e);f&&(f=f.connection.targetConnection,this.quarkConnections_[this.quarkIds_[e]]=f,d&&f&&-1==b.indexOf(this.quarkIds_[e])&&(f.disconnect(),f.getSourceBlock().bumpNeighbours_()))}this.arguments_=[].concat(a);this.updateShape_();if(this.quarkIds_=b)for(e=0;e<this.arguments_.length;e++)d=
-this.quarkIds_[e],d in this.quarkConnections_&&(f=this.quarkConnections_[d],Blockly.Mutator.reconnect(f,this,"ARG"+e)||delete this.quarkConnections_[d]);(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,
+"NAME"),this.setTooltip((this.outputConnection?Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP:Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP).replace("%1",b)))},setProcedureParameters_:function(a,b){var c,d=Blockly.Procedures.getDefinition(this.getProcedureCall(),this.workspace);var e=d&&d.mutator&&d.mutator.isVisible();e||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(goog.array.equals(this.arguments_,a))this.quarkIds_=b;else{if(b.length!=a.length)throw"Error: paramNames and paramIds must be the same length.";
+this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},a.join("\n")==this.arguments_.join("\n")?this.quarkIds_=b:this.quarkIds_=[]);d=this.rendered;this.rendered=!1;for(var f=0;f<this.arguments_.length;f++)if(c=this.getInput("ARG"+f))c=c.connection.targetConnection,this.quarkConnections_[this.quarkIds_[f]]=c,e&&c&&-1==b.indexOf(this.quarkIds_[f])&&(c.disconnect(),c.getSourceBlock().bumpNeighbours_());this.arguments_=[].concat(a);this.updateShape_();if(this.quarkIds_=b)for(f=0;f<this.arguments_.length;f++)e=
+this.quarkIds_[f],e in this.quarkConnections_&&(c=this.quarkConnections_[e],Blockly.Mutator.reconnect(c,this,"ARG"+f)||delete this.quarkConnections_[e]);(this.rendered=d)&&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);for(var b=[],c=[],d=0,e;e=a.childNodes[d];d++)"arg"==e.nodeName.toLowerCase()&&(b.push(e.getAttribute("name")),c.push(e.getAttribute("paramId")));this.setProcedureParameters_(b,c)},renameVar:function(a,b){for(var c=0;c<this.arguments_.length;c++)Blockly.Names.equals(a,this.arguments_[c])&&(this.arguments_[c]=b,this.getField("ARGNAME"+c).setValue(b))},onchange:function(a){if(this.workspace&&
-!this.workspace.isFlyout)if(a.type==Blockly.Events.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=goog.dom.createDom("xml");b=goog.dom.createDom("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),d=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",c.x+Blockly.SNAP_RADIUS*
+!this.workspace.isFlyout)if(a.type==Blockly.Events.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=goog.dom.createDom("xml");b=goog.dom.createDom("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),d=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",c.x+Blockly.SNAP_RADIUS*
 (this.RTL?-1:1));b.setAttribute("y",d);c=this.mutationToDom();b.appendChild(c);c=goog.dom.createDom("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.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(),d=this.workspace;b.callback=function(){var a=Blockly.Procedures.getDefinition(c,d);a&&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.Blocks.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_,
@@ -111,7 +111,7 @@ function(b){var c="FROM_START"==b||"FROM_END"==b;if(c!=a){var e=this.sourceBlock
 Blockly.Blocks.text_getSubstring={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.TEXT_GET_SUBSTRING_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);
 this.appendValueInput("STRING").setCheck("String").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_INPUT_IN_TEXT);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL);this.setInputsInline(!0);this.setOutput(!0,"String");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.TEXT_GET_SUBSTRING_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),
 b=this.getInput("AT1").type==Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
-this.appendDummyInput("AT"+a);2==a&&Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL));var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(c){var e="FROM_START"==c||"FROM_END"==c;if(e!=b){var d=this.sourceBlock_;d.updateAt_(a,e);d.setFieldValue(c,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&this.moveInputBefore("AT1","AT2")}};
+this.appendDummyInput("AT"+a);2==a&&Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL));var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(c){var d="FROM_START"==c||"FROM_END"==c;if(d!=b){var f=this.sourceBlock_;f.updateAt_(a,d);f.setFieldValue(c,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&this.moveInputBefore("AT1","AT2")}};
 Blockly.Blocks.text_changeCase={init:function(){var a=[[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_UPPERCASE,"UPPERCASE"],[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_LOWERCASE,"LOWERCASE"],[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_TITLECASE,"TITLECASE"]];this.setHelpUrl(Blockly.Msg.TEXT_CHANGECASE_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);this.appendValueInput("TEXT").setCheck("String").appendField(new Blockly.FieldDropdown(a),"CASE");this.setOutput(!0,"String");this.setTooltip(Blockly.Msg.TEXT_CHANGECASE_TOOLTIP)}};
 Blockly.Blocks.text_trim={init:function(){var a=[[Blockly.Msg.TEXT_TRIM_OPERATOR_BOTH,"BOTH"],[Blockly.Msg.TEXT_TRIM_OPERATOR_LEFT,"LEFT"],[Blockly.Msg.TEXT_TRIM_OPERATOR_RIGHT,"RIGHT"]];this.setHelpUrl(Blockly.Msg.TEXT_TRIM_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);this.appendValueInput("TEXT").setCheck("String").appendField(new Blockly.FieldDropdown(a),"MODE");this.setOutput(!0,"String");this.setTooltip(Blockly.Msg.TEXT_TRIM_TOOLTIP)}};
 Blockly.Blocks.text_print={init:function(){this.jsonInit({message0:Blockly.Msg.TEXT_PRINT_TITLE,args0:[{type:"input_value",name:"TEXT"}],previousStatement:null,nextStatement:null,colour:Blockly.Blocks.texts.HUE,tooltip:Blockly.Msg.TEXT_PRINT_TOOLTIP,helpUrl:Blockly.Msg.TEXT_PRINT_HELPURL})}};
diff --git a/core/procedures.js b/core/procedures.js
index aa8f1faa5..24de0306e 100644
--- a/core/procedures.js
+++ b/core/procedures.js
@@ -37,6 +37,13 @@ goog.require('Blockly.Names');
 goog.require('Blockly.Workspace');
 
 
+/**
+ * Constant to separate procedure names from variables and generated functions
+ * when running generators.
+ * @deprecated Use Blockly.PROCEDURE_CATEGORY_NAME
+ */
+Blockly.Procedures.NAME_TYPE = Blockly.PROCEDURE_CATEOGORY_NAME;
+
 /**
  * Find all user-created procedure definitions in a workspace.
  * @param {!Blockly.Workspace} root Root workspace.
diff --git a/core/variables.js b/core/variables.js
index e1312864b..e4d3556e7 100644
--- a/core/variables.js
+++ b/core/variables.js
@@ -36,6 +36,13 @@ goog.require('Blockly.Workspace');
 goog.require('goog.string');
 
 
+/**
+ * Constant to separate variable names from procedures and generated functions
+ * when running generators.
+ * @deprecated Use Blockly.VARIABLE_CATEGORY_NAME
+ */
+Blockly.Variables.NAME_TYPE = Blockly.VARIABLE_CATEGORY_NAME;
+
 /**
  * Find all user-created variables that are in use in the workspace.
  * For use by generators.
diff --git a/dart_compressed.js b/dart_compressed.js
index bdaa909f6..4b4c038cd 100644
--- a/dart_compressed.js
+++ b/dart_compressed.js
@@ -16,7 +16,7 @@ d&&(a=c?"-("+a+")":"-"+a,g=Blockly.Dart.ORDER_UNARY_PREFIX);g=Math.floor(g);e=Ma
 Blockly.Dart.lists_repeat=function(a){var b=Blockly.Dart.valueToCode(a,"ITEM",Blockly.Dart.ORDER_NONE)||"null";return["new List.filled("+(Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_NONE)||"0")+", "+b+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.lists_length=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+".length",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.lists_isEmpty=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+".isEmpty",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.lists_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.Dart.valueToCode(a,"FIND",Blockly.Dart.ORDER_NONE)||"''",b=(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.Dart.ORDER_ADDITIVE]:[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_getIndex=function(a){function b(){var a=Blockly.Dart.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),b="List "+a+" = "+e+";\n";e=a;return b}var c=a.getFieldValue("MODE")||"GET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Dart.valueToCode(a,"VALUE","RANDOM"==d||"FROM_END"==d?Blockly.Dart.ORDER_NONE:Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]";if(("RANDOM"!=d||"REMOVE"!=c)&&"FROM_END"!=d||e.match(/^\w+$/))switch(d){case "FIRST":if("GET"==c)return[e+".first",
+Blockly.Dart.lists_getIndex=function(a){function b(){var a=Blockly.Dart.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),b="List "+a+" = "+e+";\n";e=a;return b}var c=a.getFieldValue("MODE")||"GET";var d=a.getFieldValue("WHERE")||"FROM_START";var e=Blockly.Dart.valueToCode(a,"VALUE","RANDOM"==d||"FROM_END"==d?Blockly.Dart.ORDER_NONE:Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]";if(("RANDOM"!=d||"REMOVE"!=c)&&"FROM_END"!=d||e.match(/^\w+$/))switch(d){case "FIRST":if("GET"==c)return[e+".first",
 Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+".removeAt(0)",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeAt(0);\n";break;case "LAST":if("GET"==c)return[e+".last",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+".removeLast()",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeLast();\n";break;case "FROM_START":d=Blockly.Dart.getAdjusted(a,"AT");if("GET"==c)return[e+"["+d+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+
 ".removeAt("+d+")",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeAt("+d+");\n";break;case "FROM_END":d=Blockly.Dart.getAdjusted(a,"AT",1,!1,Blockly.Dart.ORDER_ADDITIVE);if("GET"==c)return[e+"["+e+".length - "+d+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c||"REMOVE"==c){a=e+".removeAt("+e+".length - "+d+")";if("GET_REMOVE"==c)return[a,Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return a+";\n"}break;case "RANDOM":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";
 if("REMOVE"==c)return c=Blockly.Dart.variableDB_.getDistinctName("tmp_x",Blockly.Variables.NAME_TYPE),"int "+c+" = new Math.Random().nextInt("+e+".length);\n"+(e+".removeAt("+c+");\n");if("GET"==c)return c=Blockly.Dart.provideFunction_("lists_get_random_item",["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List my_list) {","  int x = new Math.Random().nextInt(my_list.length);","  return my_list[x];","}"]),[c+"("+e+")",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return c=Blockly.Dart.provideFunction_("lists_remove_random_item",
@@ -27,22 +27,22 @@ Blockly.Dart.lists_setIndex=function(a){function b(){if(e.match(/^\w+$/))return"
 c)return e+".insert(0, "+f+");\n";break;case "LAST":if("SET"==c)return a=b(),a+(e+"["+e+".length - 1] = "+f+";\n");if("INSERT"==c)return e+".add("+f+");\n";break;case "FROM_START":d=Blockly.Dart.getAdjusted(a,"AT");if("SET"==c)return e+"["+d+"] = "+f+";\n";if("INSERT"==c)return e+".insert("+d+", "+f+");\n";break;case "FROM_END":d=Blockly.Dart.getAdjusted(a,"AT",1,!1,Blockly.Dart.ORDER_ADDITIVE);a=b();if("SET"==c)return a+(e+"["+e+".length - "+d+"] = "+f+";\n");if("INSERT"==c)return a+(e+".insert("+
 e+".length - "+d+", "+f+");\n");break;case "RANDOM":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";a=b();d=Blockly.Dart.variableDB_.getDistinctName("tmp_x",Blockly.Variables.NAME_TYPE);a+="int "+d+" = new Math.Random().nextInt("+e+".length);\n";if("SET"==c)return a+(e+"["+d+"] = "+f+";\n");if("INSERT"==c)return a+(e+".insert("+d+", "+f+");\n")}throw"Unhandled combination (lists_setIndex).";};
 Blockly.Dart.lists_getSublist=function(a){var b=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if(b.match(/^\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.Dart.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.Dart.getAdjusted(a,"AT1",1,!1,Blockly.Dart.ORDER_ADDITIVE);e=b+".length - "+e;break;case "FIRST":e="0";break;default:throw"Unhandled option (lists_getSublist).";}switch(d){case "FROM_START":var f=
-Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "LAST":break;default:throw"Unhandled option (lists_getSublist).";}a="LAST"==d?b+".sublist("+e+")":b+".sublist("+e+", "+f+")"}else e=Blockly.Dart.getAdjusted(a,"AT1"),f=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("lists_get_sublist",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(list, where1, at1, where2, at2) {","  int getAt(where, at) {",
-"    if (where == 'FROM_END') {","      at = list.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = list.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (lists_getSublist).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return list.sublist(at1, at2);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")";return[a,Blockly.Dart.ORDER_UNARY_POSTFIX]};
+Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "LAST":break;default:throw"Unhandled option (lists_getSublist).";}f="LAST"==d?b+".sublist("+e+")":b+".sublist("+e+", "+f+")"}else e=Blockly.Dart.getAdjusted(a,"AT1"),f=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("lists_get_sublist",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(list, where1, at1, where2, at2) {","  int getAt(where, at) {",
+"    if (where == 'FROM_END') {","      at = list.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = list.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (lists_getSublist).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return list.sublist(at1, at2);","}"]),f=a+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")";return[f,Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.lists_sort=function(a){var b=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");return[Blockly.Dart.provideFunction_("lists_sort",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(list, type, direction) {","  var compareFuncs = {",'    "NUMERIC": (a, b) => direction * a.compareTo(b),','    "TEXT": (a, b) => direction * a.toString().compareTo(b.toString()),','    "IGNORE_CASE": ',"       (a, b) => direction * ",
 "      a.toString().toLowerCase().compareTo(b.toString().toLowerCase())","  };","  list = new List.from(list);","  var compare = compareFuncs[type];","  list.sort(compare);","  return list;","}"])+"("+b+', "'+a+'", '+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.lists_split=function(a){var b=Blockly.Dart.valueToCode(a,"INPUT",Blockly.Dart.ORDER_UNARY_POSTFIX),c=Blockly.Dart.valueToCode(a,"DELIM",Blockly.Dart.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw"Unknown mode: "+a;return[b+"."+a+"("+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_reverse=function(a){return["new List.from("+(Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]")+".reversed)",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.math={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.math_number=function(a){a=parseFloat(a.getFieldValue("NUM"));var b;Infinity==a?(a="double.INFINITY",b=Blockly.Dart.ORDER_UNARY_POSTFIX):-Infinity==a?(a="-double.INFINITY",b=Blockly.Dart.ORDER_UNARY_PREFIX):b=0>a?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_ATOMIC;return[a,b]};
+Blockly.Dart.lists_reverse=function(a){return["new List.from("+(Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]")+".reversed)",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.math={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.math_number=function(a){a=parseFloat(a.getFieldValue("NUM"));if(Infinity==a){a="double.INFINITY";var b=Blockly.Dart.ORDER_UNARY_POSTFIX}else-Infinity==a?(a="-double.INFINITY",b=Blockly.Dart.ORDER_UNARY_PREFIX):b=0>a?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_ATOMIC;return[a,b]};
 Blockly.Dart.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Dart.ORDER_ADDITIVE],MINUS:[" - ",Blockly.Dart.ORDER_ADDITIVE],MULTIPLY:[" * ",Blockly.Dart.ORDER_MULTIPLICATIVE],DIVIDE:[" / ",Blockly.Dart.ORDER_MULTIPLICATIVE],POWER:[null,Blockly.Dart.ORDER_NONE]}[a.getFieldValue("OP")],c=b[0],b=b[1],d=Blockly.Dart.valueToCode(a,"A",b)||"0";a=Blockly.Dart.valueToCode(a,"B",b)||"0";return c?[d+c+a,b]:(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",["Math.pow("+d+", "+a+
 ")",Blockly.Dart.ORDER_UNARY_POSTFIX])};
-Blockly.Dart.math_single=function(a){var b=a.getFieldValue("OP"),c;if("NEG"==b)return a=Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_PREFIX)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.Dart.ORDER_UNARY_PREFIX];Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";a="ABS"==b||"ROUND"==b.substring(0,5)?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_POSTFIX)||"0":"SIN"==b||"COS"==b||"TAN"==b?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_MULTIPLICATIVE)||
-"0":Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_NONE)||"0";switch(b){case "ABS":c=a+".abs()";break;case "ROOT":c="Math.sqrt("+a+")";break;case "LN":c="Math.log("+a+")";break;case "EXP":c="Math.exp("+a+")";break;case "POW10":c="Math.pow(10,"+a+")";break;case "ROUND":c=a+".round()";break;case "ROUNDUP":c=a+".ceil()";break;case "ROUNDDOWN":c=a+".floor()";break;case "SIN":c="Math.sin("+a+" / 180 * Math.PI)";break;case "COS":c="Math.cos("+a+" / 180 * Math.PI)";break;case "TAN":c="Math.tan("+a+
+Blockly.Dart.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_PREFIX)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.Dart.ORDER_UNARY_PREFIX];Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";a="ABS"==b||"ROUND"==b.substring(0,5)?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_POSTFIX)||"0":"SIN"==b||"COS"==b||"TAN"==b?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_MULTIPLICATIVE)||"0":
+Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_NONE)||"0";switch(b){case "ABS":var c=a+".abs()";break;case "ROOT":c="Math.sqrt("+a+")";break;case "LN":c="Math.log("+a+")";break;case "EXP":c="Math.exp("+a+")";break;case "POW10":c="Math.pow(10,"+a+")";break;case "ROUND":c=a+".round()";break;case "ROUNDUP":c=a+".ceil()";break;case "ROUNDDOWN":c=a+".floor()";break;case "SIN":c="Math.sin("+a+" / 180 * Math.PI)";break;case "COS":c="Math.cos("+a+" / 180 * Math.PI)";break;case "TAN":c="Math.tan("+a+
 " / 180 * Math.PI)"}if(c)return[c,Blockly.Dart.ORDER_UNARY_POSTFIX];switch(b){case "LOG10":c="Math.log("+a+") / Math.log(10)";break;case "ASIN":c="Math.asin("+a+") / Math.PI * 180";break;case "ACOS":c="Math.acos("+a+") / Math.PI * 180";break;case "ATAN":c="Math.atan("+a+") / Math.PI * 180";break;default:throw"Unknown math operator: "+b;}return[c,Blockly.Dart.ORDER_MULTIPLICATIVE]};
 Blockly.Dart.math_constant=function(a){var b={PI:["Math.PI",Blockly.Dart.ORDER_UNARY_POSTFIX],E:["Math.E",Blockly.Dart.ORDER_UNARY_POSTFIX],GOLDEN_RATIO:["(1 + Math.sqrt(5)) / 2",Blockly.Dart.ORDER_MULTIPLICATIVE],SQRT2:["Math.SQRT2",Blockly.Dart.ORDER_UNARY_POSTFIX],SQRT1_2:["Math.SQRT1_2",Blockly.Dart.ORDER_UNARY_POSTFIX],INFINITY:["double.INFINITY",Blockly.Dart.ORDER_ATOMIC]};a=a.getFieldValue("CONSTANT");"INFINITY"!=a&&(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;");
 return b[a]};
-Blockly.Dart.math_number_property=function(a){var b=Blockly.Dart.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!b)return["false",Blockly.Python.ORDER_ATOMIC];var c=a.getFieldValue("PROPERTY"),d;if("PRIME"==c)return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",[Blockly.Dart.provideFunction_("math_isPrime",["bool "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;",
-"  }","  // False if n is null, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.","  if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.Dart.ORDER_UNARY_POSTFIX];switch(c){case "EVEN":d=b+
-" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Dart.valueToCode(a,"DIVISOR",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!a)return["false",Blockly.Python.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Dart.ORDER_EQUALITY]};
+Blockly.Dart.math_number_property=function(a){var b=Blockly.Dart.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!b)return["false",Blockly.Python.ORDER_ATOMIC];var c=a.getFieldValue("PROPERTY");if("PRIME"==c)return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",[Blockly.Dart.provideFunction_("math_isPrime",["bool "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;",
+"  }","  // False if n is null, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.","  if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.Dart.ORDER_UNARY_POSTFIX];switch(c){case "EVEN":var d=
+b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Dart.valueToCode(a,"DIVISOR",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!a)return["false",Blockly.Python.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Dart.ORDER_EQUALITY]};
 Blockly.Dart.math_change=function(a){var b=Blockly.Dart.valueToCode(a,"DELTA",Blockly.Dart.ORDER_ADDITIVE)||"0";a=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);return a+" = ("+a+" is num ? "+a+" : 0) + "+b+";\n"};Blockly.Dart.math_round=Blockly.Dart.math_single;Blockly.Dart.math_trig=Blockly.Dart.math_single;
 Blockly.Dart.math_on_list=function(a){var b=a.getFieldValue("OP");a=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]";switch(b){case "SUM":b=Blockly.Dart.provideFunction_("math_sum",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  num sumVal = 0;","  myList.forEach((num entry) {sumVal += entry;});","  return sumVal;","}"]);b=b+"("+a+")";break;case "MIN":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_min",
 ["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  if (myList.isEmpty) return null;","  num minVal = myList[0];","  myList.forEach((num entry) {minVal = Math.min(minVal, entry);});","  return minVal;","}"]);b=b+"("+a+")";break;case "MAX":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_max",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  if (myList.isEmpty) return null;","  num maxVal = myList[0];",
@@ -73,24 +73,24 @@ Blockly.Dart.text_isEmpty=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE"
 Blockly.Dart.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.Dart.valueToCode(a,"FIND",Blockly.Dart.ORDER_NONE)||"''",b=(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.Dart.ORDER_ADDITIVE]:[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''";switch(b){case "FIRST":return[c+"[0]",Blockly.Dart.ORDER_UNARY_POSTFIX];case "FROM_START":return a=Blockly.Dart.getAdjusted(a,"AT"),[c+"["+a+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];case "LAST":case "FROM_END":return a=Blockly.Dart.getAdjusted(a,"AT",1),b=Blockly.Dart.provideFunction_("text_get_from_end",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+
 "(String text, num x) {","  return text[text.length - x];","}"]),[b+"("+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX];case "RANDOM":return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",b=Blockly.Dart.provideFunction_("text_random_letter",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String text) {","  int x = new Math.Random().nextInt(text.length);","  return text[x];","}"]),[b+"("+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]}throw"Unhandled option (text_charAt).";};
-Blockly.Dart.text_getSubstring=function(a){var b=Blockly.Dart.valueToCode(a,"STRING",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)a=b;else if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.Dart.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.Dart.getAdjusted(a,"AT1",1,!1,Blockly.Dart.ORDER_ADDITIVE);e=b+".length - "+e;break;case "FIRST":e="0";break;default:throw"Unhandled option (text_getSubstring).";
-}switch(d){case "FROM_START":var f=Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "LAST":break;default:throw"Unhandled option (text_getSubstring).";}a="LAST"==d?b+".substring("+e+")":b+".substring("+e+", "+f+")"}else e=Blockly.Dart.getAdjusted(a,"AT1"),f=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("text_get_substring",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+
-"(text, where1, at1, where2, at2) {","  int getAt(where, at) {","    if (where == 'FROM_END') {","      at = text.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = text.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (text_getSubstring).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return text.substring(at1, at2);","}"])+"("+b+", '"+c+"', "+
-e+", '"+d+"', "+f+")";return[a,Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.Dart.valueToCode(a,"TEXT",b?Blockly.Dart.ORDER_UNARY_POSTFIX:Blockly.Dart.ORDER_NONE)||"''";return[b?a+b:Blockly.Dart.provideFunction_("text_toTitleCase",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String str) {","  RegExp exp = new RegExp(r'\\b');","  List<String> list = str.split(exp);","  final title = new StringBuffer();","  for (String part in list) {",
-"    if (part.length > 0) {","      title.write(part[0].toUpperCase());","      if (part.length > 0) {","        title.write(part.substring(1).toLowerCase());","      }","    }","  }","  return title.toString();","}"])+"("+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
+Blockly.Dart.text_getSubstring=function(a){var b=Blockly.Dart.valueToCode(a,"STRING",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)var e=b;else if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var f=Blockly.Dart.getAdjusted(a,"AT1");break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT1",1,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "FIRST":f="0";break;default:throw"Unhandled option (text_getSubstring).";
+}switch(d){case "FROM_START":e=Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":e=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);e=b+".length - "+e;break;case "LAST":break;default:throw"Unhandled option (text_getSubstring).";}e="LAST"==d?b+".substring("+f+")":b+".substring("+f+", "+e+")"}else f=Blockly.Dart.getAdjusted(a,"AT1"),e=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("text_get_substring",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(text, where1, at1, where2, at2) {",
+"  int getAt(where, at) {","    if (where == 'FROM_END') {","      at = text.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = text.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (text_getSubstring).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return text.substring(at1, at2);","}"]),e=a+"("+b+", '"+c+"', "+f+", '"+d+"', "+e+")";return[e,
+Blockly.Dart.ORDER_UNARY_POSTFIX]};
+Blockly.Dart.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.Dart.valueToCode(a,"TEXT",b?Blockly.Dart.ORDER_UNARY_POSTFIX:Blockly.Dart.ORDER_NONE)||"''";b?b=a+b:(b=Blockly.Dart.provideFunction_("text_toTitleCase",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String str) {","  RegExp exp = new RegExp(r'\\b');","  List<String> list = str.split(exp);","  final title = new StringBuffer();","  for (String part in list) {",
+"    if (part.length > 0) {","      title.write(part[0].toUpperCase());","      if (part.length > 0) {","        title.write(part.substring(1).toLowerCase());","      }","    }","  }","  return title.toString();","}"]),b=b+"("+a+")");return[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.text_trim=function(a){var b={LEFT:".replaceFirst(new RegExp(r'^\\s+'), '')",RIGHT:".replaceFirst(new RegExp(r'\\s+$'), '')",BOTH:".trim()"}[a.getFieldValue("MODE")];return[(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+b,Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_print=function(a){return"print("+(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_NONE)||"''")+");\n"};
 Blockly.Dart.text_prompt_ext=function(a){Blockly.Dart.definitions_.import_dart_html="import 'dart:html' as Html;";var b="Html.window.prompt("+(a.getField("TEXT")?Blockly.Dart.quote_(a.getFieldValue("TEXT")):Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_NONE)||"''")+", '')";"NUMBER"==a.getFieldValue("TYPE")&&(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",b="Math.parseDouble("+b+")");return[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_prompt=Blockly.Dart.text_prompt_ext;
 Blockly.Dart.text_count=function(a){var b=Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''";a=Blockly.Dart.valueToCode(a,"SUB",Blockly.Dart.ORDER_NONE)||"''";return[Blockly.Dart.provideFunction_("text_count",["int "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String haystack, String needle) {","  if (needle.length == 0) {","    return haystack.length + 1;","  }","  int index = 0;","  int count = 0;","  while (index != -1) {","    index = haystack.indexOf(needle, index);","    if (index != -1) {",
 "      count++;","     index += needle.length;","    }","  }","  return count;","}"])+"("+b+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_replace=function(a){var b=Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''",c=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_NONE)||"''";a=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_NONE)||"''";return[b+".replaceAll("+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.text_reverse=function(a){return["new String.fromCharCodes("+(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+".runes.toList().reversed)",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.loops={};
-Blockly.Dart.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.Dart.valueToCode(a,"TIMES",Blockly.Dart.ORDER_ASSIGNMENT)||"0",c=Blockly.Dart.statementToCode(a,"DO"),c=Blockly.Dart.addLoopTrap(c,a.id);a="";var d=Blockly.Dart.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.Dart.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),a+="var "+e+" = "+b+";\n");
-return a+("for (int "+d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.Dart.controls_repeat=Blockly.Dart.controls_repeat_ext;Blockly.Dart.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Dart.valueToCode(a,"BOOL",b?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO"),d=Blockly.Dart.addLoopTrap(d,a.id);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.Dart.controls_for=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_ASSIGNMENT)||"0",d=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_ASSIGNMENT)||"0",e=Blockly.Dart.valueToCode(a,"BY",Blockly.Dart.ORDER_ASSIGNMENT)||"1",f=Blockly.Dart.statementToCode(a,"DO"),f=Blockly.Dart.addLoopTrap(f,a.id);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=parseFloat(c)<=
+Blockly.Dart.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.Dart.valueToCode(a,"TIMES",Blockly.Dart.ORDER_ASSIGNMENT)||"0";var c=Blockly.Dart.statementToCode(a,"DO"),c=Blockly.Dart.addLoopTrap(c,a.id),d="",e=Blockly.Dart.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE);a=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(a=Blockly.Dart.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),d+="var "+a+" = "+b+";\n");
+return d+("for (int "+e+" = 0; "+e+" < "+a+"; "+e+"++) {\n"+c+"}\n")};Blockly.Dart.controls_repeat=Blockly.Dart.controls_repeat_ext;Blockly.Dart.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Dart.valueToCode(a,"BOOL",b?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO"),d=Blockly.Dart.addLoopTrap(d,a.id);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
+Blockly.Dart.controls_for=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);var c=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_ASSIGNMENT)||"0";var d=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_ASSIGNMENT)||"0",e=Blockly.Dart.valueToCode(a,"BY",Blockly.Dart.ORDER_ASSIGNMENT)||"1",f=Blockly.Dart.statementToCode(a,"DO"),f=Blockly.Dart.addLoopTrap(f,a.id);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=parseFloat(c)<=
 parseFloat(d);a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(parseFloat(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.Dart.variableDB_.getDistinctName(b+"_start",Blockly.Variables.NAME_TYPE),a+="var "+g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.Dart.variableDB_.getDistinctName(b+"_end",Blockly.Variables.NAME_TYPE),a+="var "+c+" = "+d+";\n"),d=Blockly.Dart.variableDB_.getDistinctName(b+
 "_inc",Blockly.Variables.NAME_TYPE),a+="num "+d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("("+e+").abs();\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.Dart.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
 Blockly.Dart.controls_forEach=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_ASSIGNMENT)||"[]",d=Blockly.Dart.statementToCode(a,"DO"),d=Blockly.Dart.addLoopTrap(d,a.id);return"for (var "+b+" in "+c+") {\n"+d+"}\n"};
-Blockly.Dart.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.Dart.logic={};Blockly.Dart.controls_if=function(a){var b=0,c="",d,e;do e=Blockly.Dart.valueToCode(a,"IF"+b,Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO"+b),c+=(0<b?"else ":"")+"if ("+e+") {\n"+d+"}",++b;while(a.getInput("IF"+b));a.getInput("ELSE")&&(d=Blockly.Dart.statementToCode(a,"ELSE"),c+=" else {\n"+d+"}");return c+"\n"};Blockly.Dart.controls_ifelse=Blockly.Dart.controls_if;
+Blockly.Dart.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.Dart.logic={};Blockly.Dart.controls_if=function(a){var b=0,c="";do{var d=Blockly.Dart.valueToCode(a,"IF"+b,Blockly.Dart.ORDER_NONE)||"false";var e=Blockly.Dart.statementToCode(a,"DO"+b);c+=(0<b?"else ":"")+"if ("+d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));a.getInput("ELSE")&&(e=Blockly.Dart.statementToCode(a,"ELSE"),c+=" else {\n"+e+"}");return c+"\n"};Blockly.Dart.controls_ifelse=Blockly.Dart.controls_if;
 Blockly.Dart.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.Dart.ORDER_EQUALITY:Blockly.Dart.ORDER_RELATIONAL,d=Blockly.Dart.valueToCode(a,"A",c)||"0";a=Blockly.Dart.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
 Blockly.Dart.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.Dart.ORDER_LOGICAL_AND:Blockly.Dart.ORDER_LOGICAL_OR,d=Blockly.Dart.valueToCode(a,"A",c);a=Blockly.Dart.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.Dart.logic_negate=function(a){var b=Blockly.Dart.ORDER_UNARY_PREFIX;return["!"+(Blockly.Dart.valueToCode(a,"BOOL",b)||"true"),b]};
 Blockly.Dart.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.logic_null=function(a){return["null",Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.logic_ternary=function(a){var b=Blockly.Dart.valueToCode(a,"IF",Blockly.Dart.ORDER_CONDITIONAL)||"false",c=Blockly.Dart.valueToCode(a,"THEN",Blockly.Dart.ORDER_CONDITIONAL)||"null";a=Blockly.Dart.valueToCode(a,"ELSE",Blockly.Dart.ORDER_CONDITIONAL)||"null";return[b+" ? "+c+" : "+a,Blockly.Dart.ORDER_CONDITIONAL]};
\ No newline at end of file
diff --git a/javascript_compressed.js b/javascript_compressed.js
index a2fca918a..ff19c58fd 100644
--- a/javascript_compressed.js
+++ b/javascript_compressed.js
@@ -18,29 +18,29 @@ d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.JavaScript.ORDER_ADDITION}else
 Blockly.JavaScript.lists_repeat=function(a){var b=Blockly.JavaScript.provideFunction_("listsRepeat",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(value, n) {","  var array = [];","  for (var i = 0; i < n; i++) {","    array[i] = value;","  }","  return array;","}"]),c=Blockly.JavaScript.valueToCode(a,"ITEM",Blockly.JavaScript.ORDER_COMMA)||"null";a=Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_COMMA)||"0";return[b+"("+c+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.lists_length=function(a){return[(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+".length",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.lists_isEmpty=function(a){return["!"+(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+".length",Blockly.JavaScript.ORDER_LOGICAL_NOT]};
 Blockly.JavaScript.lists_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.JavaScript.valueToCode(a,"FIND",Blockly.JavaScript.ORDER_NONE)||"''",b=(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.JavaScript.ORDER_ADDITION]:[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.JavaScript.valueToCode(a,"VALUE","RANDOM"==c?Blockly.JavaScript.ORDER_COMMA:Blockly.JavaScript.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".shift()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".shift();\n";break;case "LAST":if("GET"==b)return[d+".slice(-1)[0]",Blockly.JavaScript.ORDER_MEMBER];
-if("GET_REMOVE"==b)return[d+".pop()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".pop();\n";break;case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT");if("GET"==b)return[d+"["+a+"]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);\n";break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT",1,!0);if("GET"==b)return[d+".slice("+a+")[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];
-if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);";break;case "RANDOM":d=Blockly.JavaScript.provideFunction_("listsGetRandomItem",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(list, remove) {","  var x = Math.floor(Math.random() * list.length);","  if (remove) {","    return list.splice(x, 1)[0];","  } else {","    return list[x];","  }","}"])+"("+d+", "+("GET"!=b)+")";if("GET"==b||"GET_REMOVE"==b)return[d,
-Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+";\n"}throw"Unhandled combination (lists_getIndex).";};
+Blockly.JavaScript.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START";var d=Blockly.JavaScript.valueToCode(a,"VALUE","RANDOM"==c?Blockly.JavaScript.ORDER_COMMA:Blockly.JavaScript.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".shift()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".shift();\n";break;case "LAST":if("GET"==b)return[d+".slice(-1)[0]",
+Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".pop();\n";break;case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT");if("GET"==b)return[d+"["+a+"]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);\n";break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT",1,!0);if("GET"==b)return[d+".slice("+
+a+")[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);";break;case "RANDOM":d=Blockly.JavaScript.provideFunction_("listsGetRandomItem",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(list, remove) {","  var x = Math.floor(Math.random() * list.length);","  if (remove) {","    return list.splice(x, 1)[0];","  } else {","    return list[x];","  }","}"])+"("+d+
+", "+("GET"!=b)+")";if("GET"==b||"GET_REMOVE"==b)return[d,Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+";\n"}throw"Unhandled combination (lists_getIndex).";};
 Blockly.JavaScript.lists_setIndex=function(a){function b(){if(c.match(/^\w+$/))return"";var a=Blockly.JavaScript.variableDB_.getDistinctName("tmpList",Blockly.Variables.NAME_TYPE),b="var "+a+" = "+c+";\n";c=a;return b}var c=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",d=a.getFieldValue("MODE")||"GET",e=a.getFieldValue("WHERE")||"FROM_START",f=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_ASSIGNMENT)||"null";switch(e){case "FIRST":if("SET"==d)return c+
 "[0] = "+f+";\n";if("INSERT"==d)return c+".unshift("+f+");\n";break;case "LAST":if("SET"==d)return a=b(),a+(c+"["+c+".length - 1] = "+f+";\n");if("INSERT"==d)return c+".push("+f+");\n";break;case "FROM_START":e=Blockly.JavaScript.getAdjusted(a,"AT");if("SET"==d)return c+"["+e+"] = "+f+";\n";if("INSERT"==d)return c+".splice("+e+", 0, "+f+");\n";break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b();if("SET"==d)return a+(c+"["+c+".length - "+e+
 "] = "+f+";\n");if("INSERT"==d)return a+(c+".splice("+c+".length - "+e+", 0, "+f+");\n");break;case "RANDOM":a=b();e=Blockly.JavaScript.variableDB_.getDistinctName("tmpX",Blockly.Variables.NAME_TYPE);a+="var "+e+" = Math.floor(Math.random() * "+c+".length);\n";if("SET"==d)return a+(c+"["+e+"] = "+f+";\n");if("INSERT"==d)return a+(c+".splice("+e+", 0, "+f+");\n")}throw"Unhandled combination (lists_setIndex).";};
 Blockly.JavaScript.lists.getIndex_=function(a,b,c){return"FIRST"==b?"0":"FROM_END"==b?a+".length - 1 - "+c:"LAST"==b?a+".length - 1":c};
-Blockly.JavaScript.lists_getSublist=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)b+=".slice(0)";else if(b.match(/^\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+e;break;case "FIRST":e=
-"0";break;default:throw"Unhandled option (lists_getSublist).";}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw"Unhandled option (lists_getSublist).";}b=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=Blockly.JavaScript.lists.getIndex_,
-g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"},b=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"])+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==d||"FROM_START"==
-d?", "+a:"")+")"}return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+Blockly.JavaScript.lists_getSublist=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)var e=b+".slice(0)";else if(b.match(/^\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+e;break;case "FIRST":e=
+"0";break;default:throw"Unhandled option (lists_getSublist).";}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw"Unhandled option (lists_getSublist).";}e=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=Blockly.JavaScript.lists.getIndex_;
+var g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"};f=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"]);e=f+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==
+d||"FROM_START"==d?", "+a:"")+")"}return[e,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.lists_sort=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"[]",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");var d=Blockly.JavaScript.provideFunction_("listsGetSortCompare",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(type, direction) {","  var compareFuncs = {",'    "NUMERIC": function(a, b) {',"        return parseFloat(a) - parseFloat(b); },",'    "TEXT": function(a, b) {',"        return a.toString() > b.toString() ? 1 : -1; },",
 '    "IGNORE_CASE": function(a, b) {',"        return a.toString().toLowerCase() > b.toString().toLowerCase() ? 1 : -1; },","  };","  var compare = compareFuncs[type];","  return function(a, b) { return compare(a, b) * direction; }","}"]);return[b+".slice().sort("+d+'("'+a+'", '+c+"))",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.lists_split=function(a){var b=Blockly.JavaScript.valueToCode(a,"INPUT",Blockly.JavaScript.ORDER_MEMBER),c=Blockly.JavaScript.valueToCode(a,"DELIM",Blockly.JavaScript.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw"Unknown mode: "+a;return[b+"."+a+"("+c+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.lists_reverse=function(a){return[(Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"[]")+".slice().reverse()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.math={};Blockly.JavaScript.math_number=function(a){return[parseFloat(a.getFieldValue("NUM")),Blockly.JavaScript.ORDER_ATOMIC]};
 Blockly.JavaScript.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.JavaScript.ORDER_ADDITION],MINUS:[" - ",Blockly.JavaScript.ORDER_SUBTRACTION],MULTIPLY:[" * ",Blockly.JavaScript.ORDER_MULTIPLICATION],DIVIDE:[" / ",Blockly.JavaScript.ORDER_DIVISION],POWER:[null,Blockly.JavaScript.ORDER_COMMA]}[a.getFieldValue("OP")],c=b[0],b=b[1],d=Blockly.JavaScript.valueToCode(a,"A",b)||"0";a=Blockly.JavaScript.valueToCode(a,"B",b)||"0";return c?[d+c+a,b]:["Math.pow("+d+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.math_single=function(a){var b=a.getFieldValue("OP"),c;if("NEG"==b)return a=Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.JavaScript.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_DIVISION)||"0":Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_NONE)||"0";switch(b){case "ABS":c="Math.abs("+a+")";break;case "ROOT":c="Math.sqrt("+
+Blockly.JavaScript.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.JavaScript.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_DIVISION)||"0":Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_NONE)||"0";switch(b){case "ABS":var c="Math.abs("+a+")";break;case "ROOT":c="Math.sqrt("+
 a+")";break;case "LN":c="Math.log("+a+")";break;case "EXP":c="Math.exp("+a+")";break;case "POW10":c="Math.pow(10,"+a+")";break;case "ROUND":c="Math.round("+a+")";break;case "ROUNDUP":c="Math.ceil("+a+")";break;case "ROUNDDOWN":c="Math.floor("+a+")";break;case "SIN":c="Math.sin("+a+" / 180 * Math.PI)";break;case "COS":c="Math.cos("+a+" / 180 * Math.PI)";break;case "TAN":c="Math.tan("+a+" / 180 * Math.PI)"}if(c)return[c,Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(b){case "LOG10":c="Math.log("+a+
 ") / Math.log(10)";break;case "ASIN":c="Math.asin("+a+") / Math.PI * 180";break;case "ACOS":c="Math.acos("+a+") / Math.PI * 180";break;case "ATAN":c="Math.atan("+a+") / Math.PI * 180";break;default:throw"Unknown math operator: "+b;}return[c,Blockly.JavaScript.ORDER_DIVISION]};
 Blockly.JavaScript.math_constant=function(a){return{PI:["Math.PI",Blockly.JavaScript.ORDER_MEMBER],E:["Math.E",Blockly.JavaScript.ORDER_MEMBER],GOLDEN_RATIO:["(1 + Math.sqrt(5)) / 2",Blockly.JavaScript.ORDER_DIVISION],SQRT2:["Math.SQRT2",Blockly.JavaScript.ORDER_MEMBER],SQRT1_2:["Math.SQRT1_2",Blockly.JavaScript.ORDER_MEMBER],INFINITY:["Infinity",Blockly.JavaScript.ORDER_ATOMIC]}[a.getFieldValue("CONSTANT")]};
-Blockly.JavaScript.math_number_property=function(a){var b=Blockly.JavaScript.valueToCode(a,"NUMBER_TO_CHECK",Blockly.JavaScript.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY"),d;if("PRIME"==c)return[Blockly.JavaScript.provideFunction_("mathIsPrime",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
-"  if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(c){case "EVEN":d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=
+Blockly.JavaScript.math_number_property=function(a){var b=Blockly.JavaScript.valueToCode(a,"NUMBER_TO_CHECK",Blockly.JavaScript.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.JavaScript.provideFunction_("mathIsPrime",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
+"  if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=
 b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.JavaScript.valueToCode(a,"DIVISOR",Blockly.JavaScript.ORDER_MODULUS)||"0",d=b+" % "+a+" == 0"}return[d,Blockly.JavaScript.ORDER_EQUALITY]};Blockly.JavaScript.math_change=function(a){var b=Blockly.JavaScript.valueToCode(a,"DELTA",Blockly.JavaScript.ORDER_ADDITION)||"0";a=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);return a+" = (typeof "+a+" == 'number' ? "+a+" : 0) + "+b+";\n"};
 Blockly.JavaScript.math_round=Blockly.JavaScript.math_single;Blockly.JavaScript.math_trig=Blockly.JavaScript.math_single;
 Blockly.JavaScript.math_on_list=function(a){var b=a.getFieldValue("OP");switch(b){case "SUM":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]";a+=".reduce(function(x, y) {return x + y;})";break;case "MIN":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_COMMA)||"[]";a="Math.min.apply(null, "+a+")";break;case "MAX":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_COMMA)||"[]";a="Math.max.apply(null, "+a+")";break;case "AVERAGE":b=Blockly.JavaScript.provideFunction_("mathMean",
@@ -70,24 +70,25 @@ Blockly.JavaScript.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END"
 Blockly.JavaScript.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.JavaScript.valueToCode(a,"VALUE","RANDOM"==b?Blockly.JavaScript.ORDER_NONE:Blockly.JavaScript.ORDER_MEMBER)||"''";switch(b){case "FIRST":return[c+".charAt(0)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "LAST":return[c+".slice(-1)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "FROM_START":return a=Blockly.JavaScript.getAdjusted(a,"AT"),[c+".charAt("+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "FROM_END":return a=
 Blockly.JavaScript.getAdjusted(a,"AT",1,!0),[c+".slice("+a+").charAt(0)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "RANDOM":return[Blockly.JavaScript.provideFunction_("textRandomLetter",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(text) {","  var x = Math.floor(Math.random() * text.length);","  return text[x];","}"])+"("+c+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]}throw"Unhandled option (text_charAt).";};
 Blockly.JavaScript.text.getIndex_=function(a,b,c){return"FIRST"==b?"0":"FROM_END"==b?a+".length - 1 - "+c:"LAST"==b?a+".length - 1":c};
-Blockly.JavaScript.text_getSubstring=function(a){var b=Blockly.JavaScript.valueToCode(a,"STRING",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d)if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"LAST"!=c&&"FROM_END"!=d&&"LAST"!=d){switch(c){case "FROM_START":var e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+e;break;
-case "FIRST":e="0";break;default:throw"Unhandled option (text_getSubstring).";}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw"Unhandled option (text_getSubstring).";}b=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=Blockly.JavaScript.text.getIndex_,
-g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"},b=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"])+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==d||"FROM_START"==
-d?", "+a:"")+")"}return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.JavaScript.valueToCode(a,"TEXT",b?Blockly.JavaScript.ORDER_MEMBER:Blockly.JavaScript.ORDER_NONE)||"''";return[b?a+b:Blockly.JavaScript.provideFunction_("textToTitleCase",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(str) {","  return str.replace(/\\S+/g,","      function(txt) {return txt[0].toUpperCase() + txt.substring(1).toLowerCase();});","}"])+
-"("+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_trim=function(a){var b={LEFT:".replace(/^[\\s\\xa0]+/, '')",RIGHT:".replace(/[\\s\\xa0]+$/, '')",BOTH:".trim()"}[a.getFieldValue("MODE")];return[(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''")+b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_print=function(a){return"window.alert("+(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+");\n"};
-Blockly.JavaScript.text_prompt_ext=function(a){var b="window.prompt("+(a.getField("TEXT")?Blockly.JavaScript.quote_(a.getFieldValue("TEXT")):Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="parseFloat("+b+")");return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_prompt=Blockly.JavaScript.text_prompt_ext;
+Blockly.JavaScript.text_getSubstring=function(a){var b=Blockly.JavaScript.valueToCode(a,"STRING",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)var e=b;else if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"LAST"!=c&&"FROM_END"!=d&&"LAST"!=d){switch(c){case "FROM_START":e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+
+e;break;case "FIRST":e="0";break;default:throw"Unhandled option (text_getSubstring).";}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw"Unhandled option (text_getSubstring).";}e=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=Blockly.JavaScript.text.getIndex_;
+var g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"};f=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"]);e=f+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==
+d||"FROM_START"==d?", "+a:"")+")"}return[e,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+Blockly.JavaScript.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.JavaScript.valueToCode(a,"TEXT",b?Blockly.JavaScript.ORDER_MEMBER:Blockly.JavaScript.ORDER_NONE)||"''";b?b=a+b:(b=Blockly.JavaScript.provideFunction_("textToTitleCase",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(str) {","  return str.replace(/\\S+/g,","      function(txt) {return txt[0].toUpperCase() + txt.substring(1).toLowerCase();});",
+"}"]),b=b+"("+a+")");return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_trim=function(a){var b={LEFT:".replace(/^[\\s\\xa0]+/, '')",RIGHT:".replace(/[\\s\\xa0]+$/, '')",BOTH:".trim()"}[a.getFieldValue("MODE")];return[(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''")+b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+Blockly.JavaScript.text_print=function(a){return"window.alert("+(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+");\n"};Blockly.JavaScript.text_prompt_ext=function(a){var b="window.prompt("+(a.getField("TEXT")?Blockly.JavaScript.quote_(a.getFieldValue("TEXT")):Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="parseFloat("+b+")");return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+Blockly.JavaScript.text_prompt=Blockly.JavaScript.text_prompt_ext;
 Blockly.JavaScript.text_count=function(a){var b=Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''";a=Blockly.JavaScript.valueToCode(a,"SUB",Blockly.JavaScript.ORDER_NONE)||"''";return[Blockly.JavaScript.provideFunction_("textCount",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle) {","  if (needle.length === 0) {","    return haystack.length + 1;","  } else {","    return haystack.split(needle).length - 1;","  }","}"])+"("+b+", "+a+")",Blockly.JavaScript.ORDER_SUBTRACTION]};
 Blockly.JavaScript.text_replace=function(a){var b=Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''",c=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_NONE)||"''";a=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_NONE)||"''";return[Blockly.JavaScript.provideFunction_("textReplace",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle, replacement) {",'  needle = needle.replace(/([-()\\[\\]{}+?*.$\\^|,:#<!\\\\])/g,"\\\\$1")',
 '                 .replace(/\\x08/g,"\\\\x08");',"  return haystack.replace(new RegExp(needle, 'g'), replacement);","}"])+"("+b+", "+c+", "+a+")",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.text_reverse=function(a){return[(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''")+".split('').reverse().join('')",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.loops={};
-Blockly.JavaScript.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.JavaScript.valueToCode(a,"TIMES",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",c=Blockly.JavaScript.statementToCode(a,"DO"),c=Blockly.JavaScript.addLoopTrap(c,a.id);a="";var d=Blockly.JavaScript.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.JavaScript.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),
-a+="var "+e+" = "+b+";\n");return a+("for (var "+d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.JavaScript.controls_repeat=Blockly.JavaScript.controls_repeat_ext;
+Blockly.JavaScript.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.JavaScript.valueToCode(a,"TIMES",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0";var c=Blockly.JavaScript.statementToCode(a,"DO"),c=Blockly.JavaScript.addLoopTrap(c,a.id),d="",e=Blockly.JavaScript.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE);a=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(a=Blockly.JavaScript.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),
+d+="var "+a+" = "+b+";\n");return d+("for (var "+e+" = 0; "+e+" < "+a+"; "+e+"++) {\n"+c+"}\n")};Blockly.JavaScript.controls_repeat=Blockly.JavaScript.controls_repeat_ext;
 Blockly.JavaScript.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.JavaScript.valueToCode(a,"BOOL",b?Blockly.JavaScript.ORDER_LOGICAL_NOT:Blockly.JavaScript.ORDER_NONE)||"false",d=Blockly.JavaScript.statementToCode(a,"DO"),d=Blockly.JavaScript.addLoopTrap(d,a.id);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.JavaScript.controls_for=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",d=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",e=Blockly.JavaScript.valueToCode(a,"BY",Blockly.JavaScript.ORDER_ASSIGNMENT)||"1",f=Blockly.JavaScript.statementToCode(a,"DO"),f=Blockly.JavaScript.addLoopTrap(f,a.id);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&
-Blockly.isNumber(e)){var g=parseFloat(c)<=parseFloat(d);a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(parseFloat(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.JavaScript.variableDB_.getDistinctName(b+"_start",Blockly.Variables.NAME_TYPE),a+="var "+g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.JavaScript.variableDB_.getDistinctName(b+"_end",Blockly.Variables.NAME_TYPE),
+Blockly.JavaScript.controls_for=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);var c=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0";var d=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",e=Blockly.JavaScript.valueToCode(a,"BY",Blockly.JavaScript.ORDER_ASSIGNMENT)||"1",f=Blockly.JavaScript.statementToCode(a,"DO"),f=Blockly.JavaScript.addLoopTrap(f,a.id);if(Blockly.isNumber(c)&&
+Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=parseFloat(c)<=parseFloat(d);a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(parseFloat(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.JavaScript.variableDB_.getDistinctName(b+"_start",Blockly.Variables.NAME_TYPE),a+="var "+g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.JavaScript.variableDB_.getDistinctName(b+"_end",Blockly.Variables.NAME_TYPE),
 a+="var "+c+" = "+d+";\n"),d=Blockly.JavaScript.variableDB_.getDistinctName(b+"_inc",Blockly.Variables.NAME_TYPE),a+="var "+d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("Math.abs("+e+");\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.JavaScript.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
 Blockly.JavaScript.controls_forEach=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_ASSIGNMENT)||"[]",d=Blockly.JavaScript.statementToCode(a,"DO"),d=Blockly.JavaScript.addLoopTrap(d,a.id);a="";var e=c;c.match(/^\w+$/)||(e=Blockly.JavaScript.variableDB_.getDistinctName(b+"_list",Blockly.Variables.NAME_TYPE),a+="var "+e+" = "+c+";\n");c=Blockly.JavaScript.variableDB_.getDistinctName(b+
-"_index",Blockly.Variables.NAME_TYPE);d=Blockly.JavaScript.INDENT+b+" = "+e+"["+c+"];\n"+d;return a+("for (var "+c+" in "+e+") {\n"+d+"}\n")};Blockly.JavaScript.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.JavaScript.logic={};Blockly.JavaScript.controls_if=function(a){var b=0,c="",d,e;do e=Blockly.JavaScript.valueToCode(a,"IF"+b,Blockly.JavaScript.ORDER_NONE)||"false",d=Blockly.JavaScript.statementToCode(a,"DO"+b),c+=(0<b?" else ":"")+"if ("+e+") {\n"+d+"}",++b;while(a.getInput("IF"+b));a.getInput("ELSE")&&(d=Blockly.JavaScript.statementToCode(a,"ELSE"),c+=" else {\n"+d+"}");return c+"\n"};Blockly.JavaScript.controls_ifelse=Blockly.JavaScript.controls_if;
+"_index",Blockly.Variables.NAME_TYPE);d=Blockly.JavaScript.INDENT+b+" = "+e+"["+c+"];\n"+d;return a+("for (var "+c+" in "+e+") {\n"+d+"}\n")};Blockly.JavaScript.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.JavaScript.logic={};Blockly.JavaScript.controls_if=function(a){var b=0,c="";do{var d=Blockly.JavaScript.valueToCode(a,"IF"+b,Blockly.JavaScript.ORDER_NONE)||"false";var e=Blockly.JavaScript.statementToCode(a,"DO"+b);c+=(0<b?" else ":"")+"if ("+d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));a.getInput("ELSE")&&(e=Blockly.JavaScript.statementToCode(a,"ELSE"),c+=" else {\n"+e+"}");return c+"\n"};Blockly.JavaScript.controls_ifelse=Blockly.JavaScript.controls_if;
 Blockly.JavaScript.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.JavaScript.ORDER_EQUALITY:Blockly.JavaScript.ORDER_RELATIONAL,d=Blockly.JavaScript.valueToCode(a,"A",c)||"0";a=Blockly.JavaScript.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
 Blockly.JavaScript.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.JavaScript.ORDER_LOGICAL_AND:Blockly.JavaScript.ORDER_LOGICAL_OR,d=Blockly.JavaScript.valueToCode(a,"A",c);a=Blockly.JavaScript.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};
 Blockly.JavaScript.logic_negate=function(a){var b=Blockly.JavaScript.ORDER_LOGICAL_NOT;return["!"+(Blockly.JavaScript.valueToCode(a,"BOOL",b)||"true"),b]};Blockly.JavaScript.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.logic_null=function(a){return["null",Blockly.JavaScript.ORDER_ATOMIC]};
diff --git a/lua_compressed.js b/lua_compressed.js
index 9f3a9189b..395ce8777 100644
--- a/lua_compressed.js
+++ b/lua_compressed.js
@@ -13,8 +13,8 @@ Blockly.Lua.lists_repeat=function(a){var b=Blockly.Lua.provideFunction_("create_
 Blockly.Lua.lists_length=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"{}"),Blockly.Lua.ORDER_UNARY]};Blockly.Lua.lists_isEmpty=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"{}")+" == 0",Blockly.Lua.ORDER_RELATIONAL]};
 Blockly.Lua.lists_indexOf=function(a){var b=Blockly.Lua.valueToCode(a,"FIND",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"{}";return[("FIRST"==a.getFieldValue("END")?Blockly.Lua.provideFunction_("first_index",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t, elem)","  for k, v in ipairs(t) do","    if v == elem then","      return k","    end","  end","  return 0","end"]):Blockly.Lua.provideFunction_("last_index",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+
 "(t, elem)","  for i = #t, 1, -1 do","    if t[i] == elem then","      return i","    end","  end","  return 0","end"]))+"("+c+", "+b+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.lists.getIndex_=function(a,b,c){return"FIRST"==b?"1":"FROM_END"==b?"#"+a+" + 1 - "+c:"LAST"==b?"#"+a:"RANDOM"==b?"math.random(#"+a+")":c};
-Blockly.Lua.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_HIGH)||"{}",e=Blockly.Lua.lists.getIndex_;if("LAST"!=c&&"FROM_END"!=c&&"RANDOM"!=c||d.match(/^\w+$/)){f="GET"==b&&"FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE;a=Blockly.Lua.valueToCode(a,"AT",f)||"1";a=e(d,c,a);if("GET"==b)return[d+"["+a+"]",Blockly.Lua.ORDER_HIGH];c="table.remove("+d+", "+a+")";return"GET_REMOVE"==
-b?[c,Blockly.Lua.ORDER_HIGH]:c+"\n"}if("REMOVE"==b){var f="FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE;a=Blockly.Lua.valueToCode(a,"AT",f)||"1";b=Blockly.Lua.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE);a=e(b,c,a);return b+" = "+d+"\ntable.remove("+b+", "+a+")\n"}a=Blockly.Lua.valueToCode(a,"AT",Blockly.Lua.ORDER_NONE)||"1";return[("GET"==b?Blockly.Lua.provideFunction_("list_get_"+c.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t"+("FROM_END"==
+Blockly.Lua.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET";var c=a.getFieldValue("WHERE")||"FROM_START";var d=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_HIGH)||"{}",e=Blockly.Lua.lists.getIndex_;if("LAST"!=c&&"FROM_END"!=c&&"RANDOM"!=c||d.match(/^\w+$/)){var f="GET"==b&&"FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE;a=Blockly.Lua.valueToCode(a,"AT",f)||"1";a=e(d,c,a);if("GET"==b)return[d+"["+a+"]",Blockly.Lua.ORDER_HIGH];c="table.remove("+d+", "+a+")";return"GET_REMOVE"==
+b?[c,Blockly.Lua.ORDER_HIGH]:c+"\n"}if("REMOVE"==b)return f="FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE,a=Blockly.Lua.valueToCode(a,"AT",f)||"1",b=Blockly.Lua.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),a=e(b,c,a),b+" = "+d+"\ntable.remove("+b+", "+a+")\n";a=Blockly.Lua.valueToCode(a,"AT",Blockly.Lua.ORDER_NONE)||"1";return[("GET"==b?Blockly.Lua.provideFunction_("list_get_"+c.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t"+("FROM_END"==
 c||"FROM_START"==c?", at)":")"),"  return t["+e("t",c,"at")+"]","end"]):Blockly.Lua.provideFunction_("list_remove_"+c.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t"+("FROM_END"==c||"FROM_START"==c?", at)":")"),"  return table.remove(t, "+e("t",c,"at")+")","end"]))+"("+d+("FROM_END"==c||"FROM_START"==c?", "+a:"")+")",Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.lists_setIndex=function(a){var b=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_HIGH)||"{}",c=a.getFieldValue("MODE")||"SET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Lua.valueToCode(a,"AT",Blockly.Lua.ORDER_ADDITIVE)||"1";a=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"None";var f=Blockly.Lua.lists.getIndex_,g="";if(("LAST"==d||"FROM_END"==d||"RANDOM"==d)&&!b.match(/^\w+$/))var h=Blockly.Lua.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),g=
 h+" = "+b+"\n",b=h;g="SET"==c?g+(b+"["+f(b,d,e)+"] = "+a):g+("table.insert("+b+", "+(f(b,d,e)+("LAST"==d?" + 1":""))+", "+a+")");return g+"\n"};
@@ -29,8 +29,8 @@ Blockly.Lua.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Lua.ORDER_ADDI
 Blockly.Lua.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_UNARY)||"0",["-"+a,Blockly.Lua.ORDER_UNARY];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0":Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_NONE)||"0";switch(b){case "ABS":b="math.abs("+a+")";break;case "ROOT":b="math.sqrt("+a+")";break;case "LN":b="math.log("+a+")";break;case "LOG10":b="math.log10("+a+")";break;
 case "EXP":b="math.exp("+a+")";break;case "POW10":b="math.pow(10,"+a+")";break;case "ROUND":b="math.floor("+a+" + .5)";break;case "ROUNDUP":b="math.ceil("+a+")";break;case "ROUNDDOWN":b="math.floor("+a+")";break;case "SIN":b="math.sin(math.rad("+a+"))";break;case "COS":b="math.cos(math.rad("+a+"))";break;case "TAN":b="math.tan(math.rad("+a+"))";break;case "ASIN":b="math.deg(math.asin("+a+"))";break;case "ACOS":b="math.deg(math.acos("+a+"))";break;case "ATAN":b="math.deg(math.atan("+a+"))";break;default:throw"Unknown math operator: "+
 b;}return[b,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.math_constant=function(a){return{PI:["math.pi",Blockly.Lua.ORDER_HIGH],E:["math.exp(1)",Blockly.Lua.ORDER_HIGH],GOLDEN_RATIO:["(1 + math.sqrt(5)) / 2",Blockly.Lua.ORDER_MULTIPLICATIVE],SQRT2:["math.sqrt(2)",Blockly.Lua.ORDER_HIGH],SQRT1_2:["math.sqrt(1 / 2)",Blockly.Lua.ORDER_HIGH],INFINITY:["math.huge",Blockly.Lua.ORDER_HIGH]}[a.getFieldValue("CONSTANT")]};
-Blockly.Lua.math_number_property=function(a){var b=Blockly.Lua.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY"),d;if("PRIME"==c)return[Blockly.Lua.provideFunction_("math_isPrime",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(n)","  -- https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if n == 2 or n == 3 then","    return true","  end","  -- False if n is NaN, negative, is 1, or not whole.","  -- And false if n is divisible by 2 or 3.",
-"  if not(n > 1) or n % 1 ~= 0 or n % 2 == 0 or n % 3 == 0 then","    return false","  end","  -- Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for x = 6, math.sqrt(n) + 1.5, 6 do","    if n % (x - 1) == 0 or n % (x + 1) == 0 then","      return false","    end","  end","  return true","end"])+"("+b+")",Blockly.Lua.ORDER_HIGH];switch(c){case "EVEN":d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=
+Blockly.Lua.math_number_property=function(a){var b=Blockly.Lua.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.Lua.provideFunction_("math_isPrime",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(n)","  -- https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if n == 2 or n == 3 then","    return true","  end","  -- False if n is NaN, negative, is 1, or not whole.","  -- And false if n is divisible by 2 or 3.",
+"  if not(n > 1) or n % 1 ~= 0 or n % 2 == 0 or n % 3 == 0 then","    return false","  end","  -- Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for x = 6, math.sqrt(n) + 1.5, 6 do","    if n % (x - 1) == 0 or n % (x + 1) == 0 then","      return false","    end","  end","  return true","end"])+"("+b+")",Blockly.Lua.ORDER_HIGH];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=
 b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Lua.valueToCode(a,"DIVISOR",Blockly.Lua.ORDER_MULTIPLICATIVE);if(!a||"0"==a)return["nil",Blockly.Lua.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Lua.ORDER_RELATIONAL]};Blockly.Lua.math_change=function(a){var b=Blockly.Lua.valueToCode(a,"DELTA",Blockly.Lua.ORDER_ADDITIVE)||"0";a=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);return a+" = "+a+" + "+b+"\n"};Blockly.Lua.math_round=Blockly.Lua.math_single;
 Blockly.Lua.math_trig=Blockly.Lua.math_single;
 Blockly.Lua.math_on_list=function(a){function b(){return Blockly.Lua.provideFunction_("math_sum",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  local result = 0","  for _, v in ipairs(t) do","    result = result + v","  end","  return result","end"])}var c=a.getFieldValue("OP");a=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}";switch(c){case "SUM":c=b();break;case "MIN":c=Blockly.Lua.provideFunction_("math_min",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)",
@@ -51,29 +51,29 @@ c||(c="");for(var e=[],f=0;f<a.arguments_.length;f++)e[f]=Blockly.Lua.variableDB
 Blockly.Lua.procedures_callreturn=function(a){for(var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("NAME"),Blockly.Procedures.NAME_TYPE),c=[],d=0;d<a.arguments_.length;d++)c[d]=Blockly.Lua.valueToCode(a,"ARG"+d,Blockly.Lua.ORDER_NONE)||"nil";return[b+"("+c.join(", ")+")",Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.procedures_callnoreturn=function(a){for(var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("NAME"),Blockly.Procedures.NAME_TYPE),c=[],d=0;d<a.arguments_.length;d++)c[d]=Blockly.Lua.valueToCode(a,"ARG"+d,Blockly.Lua.ORDER_NONE)||"nil";return b+"("+c.join(", ")+")\n"};
 Blockly.Lua.procedures_ifreturn=function(a){var b="if "+(Blockly.Lua.valueToCode(a,"CONDITION",Blockly.Lua.ORDER_NONE)||"false")+" then\n";a.hasReturnValue_?(a=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"nil",b+="  return "+a+"\n"):b+="  return\n";return b+"end\n"};Blockly.Lua.texts={};Blockly.Lua.text=function(a){return[Blockly.Lua.quote_(a.getFieldValue("TEXT")),Blockly.Lua.ORDER_ATOMIC]};
-Blockly.Lua.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.Lua.ORDER_ATOMIC];if(1==a.itemCount_)return["tostring("+(Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_NONE)||"''")+")",Blockly.Lua.ORDER_HIGH];if(2==a.itemCount_){var b=Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_CONCATENATION)||"''";a=Blockly.Lua.valueToCode(a,"ADD1",Blockly.Lua.ORDER_CONCATENATION)||"''";return[b+" .. "+a,Blockly.Lua.ORDER_CONCATENATION]}for(var b=[],c=0;c<a.itemCount_;c++)b[c]=Blockly.Lua.valueToCode(a,
-"ADD"+c,Blockly.Lua.ORDER_NONE)||"''";a="table.concat({"+b.join(", ")+"})";return[a,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_append=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_CONCATENATION)||"''";return b+" = "+b+" .. "+a+"\n"};Blockly.Lua.text_length=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"''"),Blockly.Lua.ORDER_UNARY]};
+Blockly.Lua.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.Lua.ORDER_ATOMIC];if(1==a.itemCount_)return a=Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_NONE)||"''",["tostring("+a+")",Blockly.Lua.ORDER_HIGH];if(2==a.itemCount_){var b=Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_CONCATENATION)||"''";a=Blockly.Lua.valueToCode(a,"ADD1",Blockly.Lua.ORDER_CONCATENATION)||"''";return[b+" .. "+a,Blockly.Lua.ORDER_CONCATENATION]}b=[];for(var c=0;c<a.itemCount_;c++)b[c]=Blockly.Lua.valueToCode(a,
+"ADD"+c,Blockly.Lua.ORDER_NONE)||"''";return["table.concat({"+b.join(", ")+"})",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_append=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_CONCATENATION)||"''";return b+" = "+b+" .. "+a+"\n"};Blockly.Lua.text_length=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"''"),Blockly.Lua.ORDER_UNARY]};
 Blockly.Lua.text_isEmpty=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"''")+" == 0",Blockly.Lua.ORDER_RELATIONAL]};
 Blockly.Lua.text_indexOf=function(a){var b=Blockly.Lua.valueToCode(a,"FIND",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"''";return[("FIRST"==a.getFieldValue("END")?Blockly.Lua.provideFunction_("firstIndexOf",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, substr) ","  local i = string.find(str, substr, 1, true)","  if i == nil then","    return 0","  else","    return i","  end","end"]):Blockly.Lua.provideFunction_("lastIndexOf",["function "+
 Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, substr)","  local i = string.find(string.reverse(str), string.reverse(substr), 1, true)","  if i then","    return #str + 2 - i - #substr","  end","  return 0","end"]))+"("+c+", "+b+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.Lua.valueToCode(a,"AT","FROM_END"==b?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";a=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"''";if("RANDOM"==b)b=Blockly.Lua.provideFunction_("text_random_letter",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local index = math.random(string.len(str))","  return string.sub(str, index, index)","end"]),a=b+"("+a+")";else{if("FIRST"==
+Blockly.Lua.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START";var c=Blockly.Lua.valueToCode(a,"AT","FROM_END"==b?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";a=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"''";if("RANDOM"==b)b=Blockly.Lua.provideFunction_("text_random_letter",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local index = math.random(string.len(str))","  return string.sub(str, index, index)","end"]),a=b+"("+a+")";else{if("FIRST"==
 b)c="1";else if("LAST"==b)c="-1";else if("FROM_START"!=b)if("FROM_END"==b)c="-"+c;else throw"Unhandled option (text_charAt).";c.match(/^-?\w*$/)?a="string.sub("+a+", "+c+", "+c+")":(b=Blockly.Lua.provideFunction_("text_char_at",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, index)","  return string.sub(str, index, index)","end"]),a=b+"("+a+", "+c+")")}return[a,Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.text_getSubstring=function(a){var b=Blockly.Lua.valueToCode(a,"STRING",Blockly.Lua.ORDER_NONE)||"''",c=a.getFieldValue("WHERE1"),d=Blockly.Lua.valueToCode(a,"AT1","FROM_END"==c?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";if("FIRST"==c)c=1;else if("FROM_START"==c)c=d;else if("FROM_END"==c)c="-"+d;else throw"Unhandled option (text_getSubstring)";d=a.getFieldValue("WHERE2");a=Blockly.Lua.valueToCode(a,"AT2","FROM_END"==d?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";if("LAST"==
-d)a=-1;else if("FROM_START"!=d)if("FROM_END"==d)a="-"+a;else throw"Unhandled option (text_getSubstring)";return["string.sub("+b+", "+c+", "+a+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.text_changeCase=function(a){var b=a.getFieldValue("CASE");a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";if("UPPERCASE"==b)var c="string.upper";else"LOWERCASE"==b?c="string.lower":"TITLECASE"==b&&(c=Blockly.Lua.provideFunction_("text_titlecase",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local buf = {}","  local inWord = false","  for i = 1, #str do","    local c = string.sub(str, i, i)","    if inWord then","      table.insert(buf, string.lower(c))",
-'      if string.find(c, "%s") then',"        inWord = false","      end","    else","      table.insert(buf, string.upper(c))","      inWord = true","    end","  end","  return table.concat(buf)","end"]));return[c+"("+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_trim=function(a){var b={LEFT:"^%s*(,-)",RIGHT:"(.-)%s*$",BOTH:"^%s*(.-)%s*$"}[a.getFieldValue("MODE")];return["string.gsub("+(Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''")+', "'+b+'", "%1")',Blockly.Lua.ORDER_HIGH]};
+Blockly.Lua.text_getSubstring=function(a){var b=Blockly.Lua.valueToCode(a,"STRING",Blockly.Lua.ORDER_NONE)||"''";var c=a.getFieldValue("WHERE1");var d=Blockly.Lua.valueToCode(a,"AT1","FROM_END"==c?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";if("FIRST"==c)c=1;else if("FROM_START"==c)c=d;else if("FROM_END"==c)c="-"+d;else throw"Unhandled option (text_getSubstring)";d=a.getFieldValue("WHERE2");a=Blockly.Lua.valueToCode(a,"AT2","FROM_END"==d?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";
+if("LAST"==d)a=-1;else if("FROM_START"!=d)if("FROM_END"==d)a="-"+a;else throw"Unhandled option (text_getSubstring)";return["string.sub("+b+", "+c+", "+a+")",Blockly.Lua.ORDER_HIGH]};
+Blockly.Lua.text_changeCase=function(a){var b,c=a.getFieldValue("CASE");a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";"UPPERCASE"==c?b="string.upper":"LOWERCASE"==c?b="string.lower":"TITLECASE"==c&&(b=Blockly.Lua.provideFunction_("text_titlecase",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local buf = {}","  local inWord = false","  for i = 1, #str do","    local c = string.sub(str, i, i)","    if inWord then","      table.insert(buf, string.lower(c))",'      if string.find(c, "%s") then',
+"        inWord = false","      end","    else","      table.insert(buf, string.upper(c))","      inWord = true","    end","  end","  return table.concat(buf)","end"]));return[b+"("+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_trim=function(a){var b={LEFT:"^%s*(,-)",RIGHT:"(.-)%s*$",BOTH:"^%s*(.-)%s*$"}[a.getFieldValue("MODE")];return["string.gsub("+(Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''")+', "'+b+'", "%1")',Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.text_print=function(a){return"print("+(Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''")+")\n"};
-Blockly.Lua.text_prompt_ext=function(a){var b=a.getField("TEXT")?Blockly.Lua.quote_(a.getFieldValue("TEXT")):Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''",b=Blockly.Lua.provideFunction_("text_prompt",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(msg)","  io.write(msg)","  io.flush()","  return io.read()","end"])+"("+b+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="tonumber("+b+", 10)");return[b,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_prompt=Blockly.Lua.text_prompt_ext;
+Blockly.Lua.text_prompt_ext=function(a){var b=a.getField("TEXT")?Blockly.Lua.quote_(a.getFieldValue("TEXT")):Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";b=Blockly.Lua.provideFunction_("text_prompt",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(msg)","  io.write(msg)","  io.flush()","  return io.read()","end"])+"("+b+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="tonumber("+b+", 10)");return[b,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_prompt=Blockly.Lua.text_prompt_ext;
 Blockly.Lua.text_count=function(a){var b=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";a=Blockly.Lua.valueToCode(a,"SUB",Blockly.Lua.ORDER_NONE)||"''";return[Blockly.Lua.provideFunction_("text_count",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle)","  if #needle == 0 then","    return #haystack + 1","  end","  local i = 1","  local count = 0","  while true do","    i = string.find(haystack, needle, i, true)","    if i == nil then","      break","    end","    count = count + 1",
 "    i = i + #needle","  end","  return count","end"])+"("+b+", "+a+")",Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.text_replace=function(a){var b=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"''";a=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"''";return[Blockly.Lua.provideFunction_("text_replace",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle, replacement)","  local buf = {}","  local i = 1","  while i <= #haystack do","    if string.sub(haystack, i, i + #needle - 1) == needle then","      for j = 1, #replacement do",
 "        table.insert(buf, string.sub(replacement, j, j))","      end","      i = i + #needle","    else","      table.insert(buf, string.sub(haystack, i, i))","      i = i + 1","    end","  end","  return table.concat(buf)","end"])+"("+b+", "+c+", "+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_reverse=function(a){return["string.reverse("+(Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_HIGH)||"''")+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.loops={};Blockly.Lua.CONTINUE_STATEMENT="goto continue\n";Blockly.Lua.addContinueLabel=function(a){return-1<a.indexOf(Blockly.Lua.CONTINUE_STATEMENT)?a+Blockly.Lua.INDENT+"::continue::\n":a};Blockly.Lua.controls_repeat=function(a){var b=parseInt(a.getFieldValue("TIMES"),10);a=Blockly.Lua.statementToCode(a,"DO")||"";a=Blockly.Lua.addContinueLabel(a);return"for "+Blockly.Lua.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE)+" = 1, "+b+" do\n"+a+"end\n"};
 Blockly.Lua.controls_repeat_ext=function(a){var b=Blockly.Lua.valueToCode(a,"TIMES",Blockly.Lua.ORDER_NONE)||"0",b=Blockly.isNumber(b)?parseInt(b,10):"math.floor("+b+")";a=Blockly.Lua.statementToCode(a,"DO")||"\n";a=Blockly.Lua.addContinueLabel(a);return"for "+Blockly.Lua.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE)+" = 1, "+b+" do\n"+a+"end\n"};
 Blockly.Lua.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Lua.valueToCode(a,"BOOL",b?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"false",d=Blockly.Lua.statementToCode(a,"DO")||"\n",d=Blockly.Lua.addLoopTrap(d,a.id),d=Blockly.Lua.addContinueLabel(d);b&&(c="not "+c);return"while "+c+" do\n"+d+"end\n"};
-Blockly.Lua.controls_for=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"0",d=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"0",e=Blockly.Lua.valueToCode(a,"BY",Blockly.Lua.ORDER_NONE)||"1",f=Blockly.Lua.statementToCode(a,"DO")||"\n",f=Blockly.Lua.addLoopTrap(f,a.id),f=Blockly.Lua.addContinueLabel(f);a="";var g;Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)?(g=
-parseFloat(c)<=parseFloat(d),e=Math.abs(parseFloat(e)),g=(g?"":"-")+e):(a="",g=Blockly.Lua.variableDB_.getDistinctName(b+"_inc",Blockly.Variables.NAME_TYPE),a+=g+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+"\n"):a+("math.abs("+e+")\n"),a=a+("if ("+c+") > ("+d+") then\n")+(Blockly.Lua.INDENT+g+" = -"+g+"\n"),a+="end\n");return a+("for "+b+" = "+c+", "+d+", "+g)+(" do\n"+f+"end\n")};
+Blockly.Lua.controls_for=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"0",d=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"0",e=Blockly.Lua.valueToCode(a,"BY",Blockly.Lua.ORDER_NONE)||"1",f=Blockly.Lua.statementToCode(a,"DO")||"\n",f=Blockly.Lua.addLoopTrap(f,a.id),f=Blockly.Lua.addContinueLabel(f);a="";if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=
+parseFloat(c)<=parseFloat(d);e=Math.abs(parseFloat(e));g=(g?"":"-")+e}else a="",g=Blockly.Lua.variableDB_.getDistinctName(b+"_inc",Blockly.Variables.NAME_TYPE),a+=g+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+"\n"):a+("math.abs("+e+")\n"),a=a+("if ("+c+") > ("+d+") then\n")+(Blockly.Lua.INDENT+g+" = -"+g+"\n"),a+="end\n";return a+("for "+b+" = "+c+", "+d+", "+g)+(" do\n"+f+"end\n")};
 Blockly.Lua.controls_forEach=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}";a=Blockly.Lua.statementToCode(a,"DO")||"\n";a=Blockly.Lua.addContinueLabel(a);return"for _, "+b+" in ipairs("+c+") do \n"+a+"end\n"};
-Blockly.Lua.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break\n";case "CONTINUE":return Blockly.Lua.CONTINUE_STATEMENT}throw"Unknown flow statement.";};Blockly.Lua.logic={};Blockly.Lua.controls_if=function(a){var b=0,c="",d,e;do e=Blockly.Lua.valueToCode(a,"IF"+b,Blockly.Lua.ORDER_NONE)||"false",d=Blockly.Lua.statementToCode(a,"DO"+b),c+=(0<b?"else":"")+"if "+e+" then\n"+d,++b;while(a.getInput("IF"+b));a.getInput("ELSE")&&(d=Blockly.Lua.statementToCode(a,"ELSE"),c+="else\n"+d);return c+"end\n"};Blockly.Lua.controls_ifelse=Blockly.Lua.controls_if;
+Blockly.Lua.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break\n";case "CONTINUE":return Blockly.Lua.CONTINUE_STATEMENT}throw"Unknown flow statement.";};Blockly.Lua.logic={};Blockly.Lua.controls_if=function(a){var b=0,c="";do{var d=Blockly.Lua.valueToCode(a,"IF"+b,Blockly.Lua.ORDER_NONE)||"false";var e=Blockly.Lua.statementToCode(a,"DO"+b);c+=(0<b?"else":"")+"if "+d+" then\n"+e;++b}while(a.getInput("IF"+b));a.getInput("ELSE")&&(e=Blockly.Lua.statementToCode(a,"ELSE"),c+="else\n"+e);return c+"end\n"};Blockly.Lua.controls_ifelse=Blockly.Lua.controls_if;
 Blockly.Lua.logic_compare=function(a){var b={EQ:"==",NEQ:"~=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c=Blockly.Lua.valueToCode(a,"A",Blockly.Lua.ORDER_RELATIONAL)||"0";a=Blockly.Lua.valueToCode(a,"B",Blockly.Lua.ORDER_RELATIONAL)||"0";return[c+" "+b+" "+a,Blockly.Lua.ORDER_RELATIONAL]};
 Blockly.Lua.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"and":"or",c="and"==b?Blockly.Lua.ORDER_AND:Blockly.Lua.ORDER_OR,d=Blockly.Lua.valueToCode(a,"A",c);a=Blockly.Lua.valueToCode(a,"B",c);if(d||a){var e="and"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.Lua.logic_negate=function(a){return["not "+(Blockly.Lua.valueToCode(a,"BOOL",Blockly.Lua.ORDER_UNARY)||"true"),Blockly.Lua.ORDER_UNARY]};
 Blockly.Lua.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.logic_null=function(a){return["nil",Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.logic_ternary=function(a){var b=Blockly.Lua.valueToCode(a,"IF",Blockly.Lua.ORDER_AND)||"false",c=Blockly.Lua.valueToCode(a,"THEN",Blockly.Lua.ORDER_AND)||"nil";a=Blockly.Lua.valueToCode(a,"ELSE",Blockly.Lua.ORDER_OR)||"nil";return[b+" and "+c+" or "+a,Blockly.Lua.ORDER_OR]};
\ No newline at end of file
diff --git a/msg/js/bn.js b/msg/js/bn.js
index 59ed21269..68420972b 100644
--- a/msg/js/bn.js
+++ b/msg/js/bn.js
@@ -74,16 +74,16 @@ Blockly.Msg.EXPAND_BLOCK = "ব্লকটি সম্প্রসারিত
 Blockly.Msg.EXTERNAL_INPUTS = "বহি:স্থ ইনপুট";
 Blockly.Msg.HELP = "সাহায্য";
 Blockly.Msg.INLINE_INPUTS = "সারি ইনপুট";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
+Blockly.Msg.IOS_CANCEL = "বাতিল";
+Blockly.Msg.IOS_ERROR = "ত্রুটি";
+Blockly.Msg.IOS_OK = "ঠিক আছে";
 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_BUTTON = "যোগ";
 Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Add Variable";  // untranslated
-Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Delete";  // untranslated
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "অপসারণ";
 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
diff --git a/msg/js/br.js b/msg/js/br.js
index 9f38a2fe1..e340a7a7b 100644
--- a/msg/js/br.js
+++ b/msg/js/br.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.br');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Ouzhpennañ un evezhiadenn";
-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 = "Ne ch'aller ket dilemel an argemm \"%1\" dre m'eo lod eus dielfennadur an arc'hwel \"%2\"";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Kemmañ an dalvoudenn :";
 Blockly.Msg.CLEAN_UP = "Naetaat ar bloc'hoù";
 Blockly.Msg.COLLAPSE_ALL = "Bihanaat ar bloc'hoù";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Astenn ar bloc'h";
 Blockly.Msg.EXTERNAL_INPUTS = "Monedoù diavaez";
 Blockly.Msg.HELP = "Skoazell";
 Blockly.Msg.INLINE_INPUTS = "Monedoù enlinenn";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Nullañ";
+Blockly.Msg.IOS_ERROR = "Fazi";
+Blockly.Msg.IOS_OK = "Mat eo";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Ouzhpennañ ur moned";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Urzhioù aotreet";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "An arc'hwel-mañ en eus monedoù eiladet.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "MONEDOÙ";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Ouzhpennañ";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Ouzhpennañ un argemm";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Diverkañ";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Ne c'hallit ket implijout un anv argemm goullo.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Adenvel";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Anv an argemenn";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "krouiñ ur roll goullo";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Distreiñ ul listenn, 0 a hirder, n'eus enrolladenn ebet enni";
diff --git a/msg/js/de.js b/msg/js/de.js
index 01b1268d6..973505f4d 100644
--- a/msg/js/de.js
+++ b/msg/js/de.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.de');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Kommentar hinzufügen";
-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 = "Die Variable „%1“ kann nicht gelöscht werden, da sie Teil der Definition der Funktion „%2“ ist.";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Wert ändern:";
 Blockly.Msg.CLEAN_UP = "Bausteine aufräumen";
 Blockly.Msg.COLLAPSE_ALL = "Alle Bausteine zusammenfalten";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Baustein entfalten";
 Blockly.Msg.EXTERNAL_INPUTS = "externe Eingänge";
 Blockly.Msg.HELP = "Hilfe";
 Blockly.Msg.INLINE_INPUTS = "interne Eingänge";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Abbrechen";
+Blockly.Msg.IOS_ERROR = "Fehler";
+Blockly.Msg.IOS_OK = "OKAY";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Parameter hinzufügen";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Anweisungen erlauben";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "Diese Funktion hat doppelte Parameter.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "PARAMETER";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Hinzufügen";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Variable hinzufügen";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Löschen";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Du kannst keinen leeren Variablennamen verwenden.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Umbenennen";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Name der Variable";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "erzeuge eine leere Liste";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Erzeugt eine leere Liste ohne Inhalt.";
diff --git a/msg/js/es.js b/msg/js/es.js
index e6175223a..035bb6cb1 100644
--- a/msg/js/es.js
+++ b/msg/js/es.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.es');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Añadir comentario";
-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 = "No se puede eliminar la variable \"%1\" porque es parte de la definición de la función \"%2\"";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Cambiar el valor:";
 Blockly.Msg.CLEAN_UP = "Limpiar los bloques";
 Blockly.Msg.COLLAPSE_ALL = "Contraer bloques";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Expandir bloque";
 Blockly.Msg.EXTERNAL_INPUTS = "Entradas externas";
 Blockly.Msg.HELP = "Ayuda";
 Blockly.Msg.INLINE_INPUTS = "Entradas en línea";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Cancelar";
+Blockly.Msg.IOS_ERROR = "Error";
+Blockly.Msg.IOS_OK = "Aceptar";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ añadir entrada";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Permitir declaraciones";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "Esta función tiene entradas duplicadas.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "ENTRADAS";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Añadir";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ añadir variable";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Borrar";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "No puedes usar un nombre de variable vacío.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Renombrar";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Nombre de la variable";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crear lista vacía";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Devuelve una lista, de longitud 0, sin ningún dato";
@@ -362,7 +362,7 @@ Blockly.Msg.TEXT_JOIN_TITLE_CREATEWITH = "crear texto con";
 Blockly.Msg.TEXT_JOIN_TOOLTIP = "Crear un fragmento de texto al unir cualquier número de elementos.";
 Blockly.Msg.TEXT_LENGTH_HELPURL = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
 Blockly.Msg.TEXT_LENGTH_TITLE = "longitud de %1";
-Blockly.Msg.TEXT_LENGTH_TOOLTIP = "Devuelve el número de letras (incluyendo espacios) en el texto proporcionado.";
+Blockly.Msg.TEXT_LENGTH_TOOLTIP = "Devuelve el número de letras (espacios incluidos) del texto proporcionado.";
 Blockly.Msg.TEXT_PRINT_HELPURL = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
 Blockly.Msg.TEXT_PRINT_TITLE = "imprimir %1";
 Blockly.Msg.TEXT_PRINT_TOOLTIP = "Imprimir el texto, número u otro valor especificado.";
diff --git a/msg/js/fr.js b/msg/js/fr.js
index 4af696852..e297081ac 100644
--- a/msg/js/fr.js
+++ b/msg/js/fr.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.fr');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Ajouter un commentaire";
-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 = "Impossible de supprimer la variable '%1' parce qu’elle fait partie de la définition de la fonction '%2'";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Modifier la valeur :";
 Blockly.Msg.CLEAN_UP = "Nettoyer les blocs";
 Blockly.Msg.COLLAPSE_ALL = "Réduire les blocs";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Développer le bloc";
 Blockly.Msg.EXTERNAL_INPUTS = "Entrées externes";
 Blockly.Msg.HELP = "Aide";
 Blockly.Msg.INLINE_INPUTS = "Entrées en ligne";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Annuler";
+Blockly.Msg.IOS_ERROR = "Erreur";
+Blockly.Msg.IOS_OK = "OK";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Ajouter une entrée";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Ordres autorisés";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "Cette fonction a des entrées dupliquées.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "ENTRÉES";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Ajouter";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Ajouter une variable";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Supprimer";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Vous ne pouvez pas utiliser un nom de variable vide.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Renommer";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Nom de la variable";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "créer une liste vide";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Renvoyer une liste, de longueur 0, ne contenant aucun enregistrement";
diff --git a/msg/js/it.js b/msg/js/it.js
index 743b2f7cf..68fe66c23 100644
--- a/msg/js/it.js
+++ b/msg/js/it.js
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Espandi blocco";
 Blockly.Msg.EXTERNAL_INPUTS = "Ingressi esterni";
 Blockly.Msg.HELP = "Aiuto";
 Blockly.Msg.INLINE_INPUTS = "Ingressi in linea";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Add Input";  // untranslated
-Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Allow statements";  // untranslated
+Blockly.Msg.IOS_CANCEL = "Annulla";
+Blockly.Msg.IOS_ERROR = "Errore";
+Blockly.Msg.IOS_OK = "OK";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Aggiungi input";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Consenti dichiarazioni";
 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_INPUTS = "INPUTS";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Aggiungi";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Aggiungi variabile";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Cancella";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Non puoi utilizzare un nome di variabile vuoto.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Rinomina";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Nome variabile";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crea lista vuota";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Restituisce una lista, di lunghezza 0, contenente nessun record di dati";
diff --git a/msg/js/ko.js b/msg/js/ko.js
index 7f8111e77..aec72d5ac 100644
--- a/msg/js/ko.js
+++ b/msg/js/ko.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.ko');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "댓글 추가";
-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 = "'%2' 함수 정의의 일부이기 때문에 '%1' 변수를 삭제할 수 없습니다";
 Blockly.Msg.CHANGE_VALUE_TITLE = "값 바꾸기:";
 Blockly.Msg.CLEAN_UP = "블록 정리";
 Blockly.Msg.COLLAPSE_ALL = "블록 축소";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "블록 확장";
 Blockly.Msg.EXTERNAL_INPUTS = "외부 입력";
 Blockly.Msg.HELP = "도움말";
 Blockly.Msg.INLINE_INPUTS = "내부 입력";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Add Input";  // untranslated
+Blockly.Msg.IOS_CANCEL = "취소";
+Blockly.Msg.IOS_ERROR = "오류";
+Blockly.Msg.IOS_OK = "확인";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ 입력 추가";
 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_DUPLICATE_INPUTS_ERROR = "이 기능은 중복된 입력이 있습니다.";
 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_VARIABLES_ADD_BUTTON = "추가";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ 변수 추가";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "삭제";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "비어있는 변수 이름을 사용할 수 없습니다.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "이름 바꾸기";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "변수 이름";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "빈 리스트 생성";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "데이터 레코드가 없는, 길이가 0인 목록을 반환합니다.";
diff --git a/msg/js/lb.js b/msg/js/lb.js
index 56294ac64..0a0a35adc 100644
--- a/msg/js/lb.js
+++ b/msg/js/lb.js
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Block opklappen";
 Blockly.Msg.EXTERNAL_INPUTS = "External Inputs";  // untranslated
 Blockly.Msg.HELP = "Hëllef";
 Blockly.Msg.INLINE_INPUTS = "Inline Inputs";  // untranslated
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
+Blockly.Msg.IOS_CANCEL = "Ofbriechen";
+Blockly.Msg.IOS_ERROR = "Feeler";
+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_VARIABLES_ADD_BUTTON = "Derbäisetzen";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Variabel derbäisetzen";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Läschen";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Dir kënnt keen eidelen Numm fir eng Variabel benotzen.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Ëmbenennen";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Numm vun der Variabel";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
diff --git a/msg/js/lv.js b/msg/js/lv.js
index 39f1d9822..dd4ffa9bd 100644
--- a/msg/js/lv.js
+++ b/msg/js/lv.js
@@ -74,18 +74,18 @@ Blockly.Msg.EXPAND_BLOCK = "Izvērst bloku";
 Blockly.Msg.EXTERNAL_INPUTS = "Ārējie ievaddati";
 Blockly.Msg.HELP = "Palīdzība";
 Blockly.Msg.INLINE_INPUTS = "Iekšējie ievaddati";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
+Blockly.Msg.IOS_CANCEL = "Atcelt";
+Blockly.Msg.IOS_ERROR = "Kļūda";
+Blockly.Msg.IOS_OK = "Labi";
 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_BUTTON = "Pievienot";
 Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Add Variable";  // untranslated
-Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Delete";  // untranslated
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Dzēst";
 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_RENAME_BUTTON = "Pārsaukt";
 Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Variable name";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "izveidot tukšu sarakstu";
diff --git a/msg/js/pms.js b/msg/js/pms.js
index e51c758c6..ffdd17e33 100644
--- a/msg/js/pms.js
+++ b/msg/js/pms.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.pms');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Gionté un coment";
-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 = "As peul nen eliminesse la variàbil '%1' përchè a l'é part ëd la definission dla fonsion '%2'";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Modifiché ël valor:";
 Blockly.Msg.CLEAN_UP = "Dëscancelé ij blòch";
 Blockly.Msg.COLLAPSE_ALL = "Arduve ij blòch";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Dësvlupé ël blòch";
 Blockly.Msg.EXTERNAL_INPUTS = "Imission esterne";
 Blockly.Msg.HELP = "Agiut";
 Blockly.Msg.INLINE_INPUTS = "Imission an linia";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Anulé";
+Blockly.Msg.IOS_ERROR = "Eror";
+Blockly.Msg.IOS_OK = "Va bin";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Gionté n'imission";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Përmëtte le diciairassion";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "Costa imission a dj'imission duplicà.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "IMISSION";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Gionté";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Gionté na variàbil";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Eliminé";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "A peul nen dovré un nòm ëd variàbil veuid.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Arnominé";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Nòm ëd la variàbil";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "creé na lista veuida";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Smon-e na lista, ëd longheur 0, ch'a conten gnun-a argistrassion";
diff --git a/msg/js/pt-br.js b/msg/js/pt-br.js
index 3f46132bd..a6b968906 100644
--- a/msg/js/pt-br.js
+++ b/msg/js/pt-br.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.pt.br');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Adicionar comentário";
-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 = "Funcoes'%n1' nao podem ser deletadas porque faz parte das definicoes'%2'";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Mudar valor:";
 Blockly.Msg.CLEAN_UP = "Limpar blocos";
 Blockly.Msg.COLLAPSE_ALL = "Colapsar Blocos";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Expandir bloco";
 Blockly.Msg.EXTERNAL_INPUTS = "Entradas externas";
 Blockly.Msg.HELP = "Ajuda";
 Blockly.Msg.INLINE_INPUTS = "Entradas incorporadas";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
+Blockly.Msg.IOS_CANCEL = "blockly:IOS Cancelar/pt-br";
 Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
+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_DELETE_BUTTON = "Deletar";
 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_VARIABLES_RENAME_BUTTON = "Blockly:Renomear varioas botoens/pt-br";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Nome variavel";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "criar lista vazia";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Retorna uma lista, de tamanho 0, contendo nenhum registro";
diff --git a/msg/js/ro.js b/msg/js/ro.js
index b8bd62d24..ab063ff22 100644
--- a/msg/js/ro.js
+++ b/msg/js/ro.js
@@ -272,7 +272,7 @@ Blockly.Msg.MATH_TRIG_ACOS = "arccos";
 Blockly.Msg.MATH_TRIG_ASIN = "arcsin";
 Blockly.Msg.MATH_TRIG_ATAN = "arctg";
 Blockly.Msg.MATH_TRIG_COS = "cos";
-Blockly.Msg.MATH_TRIG_HELPURL = "https://ko.wikipedia.org/wiki/삼각함수";
+Blockly.Msg.MATH_TRIG_HELPURL = "https://ro.wikipedia.org/wiki/Funcții_trigonometrice";
 Blockly.Msg.MATH_TRIG_SIN = "sin";
 Blockly.Msg.MATH_TRIG_TAN = "tg";
 Blockly.Msg.MATH_TRIG_TOOLTIP_ACOS = "Returnează arccosinusul unui număr.";
@@ -298,7 +298,7 @@ Blockly.Msg.PROCEDURES_DEFNORETURN_HELPURL = "https://en.wikipedia.org/wiki/Proc
 Blockly.Msg.PROCEDURES_DEFNORETURN_PROCEDURE = "fă ceva";
 Blockly.Msg.PROCEDURES_DEFNORETURN_TITLE = "la";
 Blockly.Msg.PROCEDURES_DEFNORETURN_TOOLTIP = "Crează o funcţie cu nici o ieşire.";
-Blockly.Msg.PROCEDURES_DEFRETURN_HELPURL = "https://ko.wikipedia.org/wiki/함수_(프로그래밍)";
+Blockly.Msg.PROCEDURES_DEFRETURN_HELPURL = "https://ro.wikipedia.org/wiki/Subrutină";
 Blockly.Msg.PROCEDURES_DEFRETURN_RETURN = "returnează";
 Blockly.Msg.PROCEDURES_DEFRETURN_TOOLTIP = "Creează o funcţie cu o ieşire.";
 Blockly.Msg.PROCEDURES_DEF_DUPLICATE_WARNING = "Atenţie: Această funcţie are parametri duplicaţi.";
diff --git a/msg/js/sv.js b/msg/js/sv.js
index 4c278fb65..558bd2b45 100644
--- a/msg/js/sv.js
+++ b/msg/js/sv.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.sv');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Lägg till kommentar";
-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 = "Kan inte radera variabeln '%1' eftersom den är en del av definition för funktionen '%2'";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Ändra värde:";
 Blockly.Msg.CLEAN_UP = "Rada upp block";
 Blockly.Msg.COLLAPSE_ALL = "Fäll ihop block";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Fäll ut block";
 Blockly.Msg.EXTERNAL_INPUTS = "Externa inmatningar";
 Blockly.Msg.HELP = "Hjälp";
 Blockly.Msg.INLINE_INPUTS = "Radinmatning";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "Avbryt";
+Blockly.Msg.IOS_ERROR = "Fel";
+Blockly.Msg.IOS_OK = "OK";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ Lägg till inmatning";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "Tillåt kommandon";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "Denna funktion har dubblettinmatningar.";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "INMATNINGAR";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Lägg till";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Lägg till variabel";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Radera";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Du kan inte använda ett tomt variabelnamn.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Döp om";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Variabelnamn";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "skapa tom lista";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Ger tillbaka en lista utan någon data, alltså med längden 0";
diff --git a/msg/js/tr.js b/msg/js/tr.js
index 569f5c19c..82d12cefc 100644
--- a/msg/js/tr.js
+++ b/msg/js/tr.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.tr');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "Yorum Ekle";
-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 = "'%1' değişkeni, '%2' fonksiyonunun tanımının bir parçası olduğu için silinemez";
 Blockly.Msg.CHANGE_VALUE_TITLE = "Değeri değiştir:";
 Blockly.Msg.CLEAN_UP = "Blokları temizle";
 Blockly.Msg.COLLAPSE_ALL = "Blokları Daralt";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "Bloğu Genişlet";
 Blockly.Msg.EXTERNAL_INPUTS = "Harici Girişler";
 Blockly.Msg.HELP = "Yardım";
 Blockly.Msg.INLINE_INPUTS = "Satır içi girdiler";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
+Blockly.Msg.IOS_CANCEL = "İptal";
+Blockly.Msg.IOS_ERROR = "Hata";
+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_INPUTS = "Girdiler";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "Ekle";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ Değişkeni ekle";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "Sil";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "Değişken adı kısmı boş bırakılamaz.";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "Yeniden adlandır";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "Değişken adı";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Boş liste oluştur";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Veri kaydı içermeyen uzunluğu 0 olan bir listeyi verir";
diff --git a/msg/js/zh-hans.js b/msg/js/zh-hans.js
index 5aa7bfcab..05b91c3d4 100644
--- a/msg/js/zh-hans.js
+++ b/msg/js/zh-hans.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.zh.hans');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "添加注释";
-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 = "不能删除变量“%1”，因为它是功能“%2”定义的一部分";
 Blockly.Msg.CHANGE_VALUE_TITLE = "更改值：";
 Blockly.Msg.CLEAN_UP = "整理块";
 Blockly.Msg.COLLAPSE_ALL = "折叠块";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "展开块";
 Blockly.Msg.EXTERNAL_INPUTS = "外部输入";
 Blockly.Msg.HELP = "帮助";
 Blockly.Msg.INLINE_INPUTS = "单行输入";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "取消";
+Blockly.Msg.IOS_ERROR = "错误";
+Blockly.Msg.IOS_OK = "确定";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+添加输入";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "允许声明";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "此功能有重复输入内容。";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "输入";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "添加";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+添加变量";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "删除";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "您不能使用空变量名称。";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "重命名";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "变量名称";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "创建空列表";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "返回一个列表，长度为 0，不包含任何数据记录";
diff --git a/msg/js/zh-hant.js b/msg/js/zh-hant.js
index b71b0683d..842f592d0 100644
--- a/msg/js/zh-hant.js
+++ b/msg/js/zh-hant.js
@@ -7,7 +7,7 @@ goog.provide('Blockly.Msg.zh.hant');
 goog.require('Blockly.Msg');
 
 Blockly.Msg.ADD_COMMENT = "加入註解";
-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 = "無法刪除變數「%1」，因為這是功能「%2」定義的一部份內容";
 Blockly.Msg.CHANGE_VALUE_TITLE = "修改值：";
 Blockly.Msg.CLEAN_UP = "整理積木";
 Blockly.Msg.COLLAPSE_ALL = "收合積木";
@@ -74,19 +74,19 @@ Blockly.Msg.EXPAND_BLOCK = "展開積木";
 Blockly.Msg.EXTERNAL_INPUTS = "多行輸入";
 Blockly.Msg.HELP = "幫助";
 Blockly.Msg.INLINE_INPUTS = "單行輸入";
-Blockly.Msg.IOS_CANCEL = "Cancel";  // untranslated
-Blockly.Msg.IOS_ERROR = "Error";  // untranslated
-Blockly.Msg.IOS_OK = "OK";  // untranslated
-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_CANCEL = "取消";
+Blockly.Msg.IOS_ERROR = "錯誤";
+Blockly.Msg.IOS_OK = "確定";
+Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = "+ 添加輸入";
+Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = "允許聲明";
+Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = "此功能有重複輸入內容。";
+Blockly.Msg.IOS_PROCEDURES_INPUTS = "輸入";
+Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = "添加";
+Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = "+ 添加變數";
+Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = "刪除";
+Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = "您不能使用不帶名的變數名稱。";
+Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = "重新命名";
+Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = "變數名稱";
 Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "建立空的清單";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "返回一個長度（項目數量）為 0 的清單，不包含任何資料記錄";
diff --git a/msg/json/en.json b/msg/json/en.json
index 620f1d70e..a0e277077 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2017-04-24 16:26:37.852564",
+		"lastupdated": "2017-05-03 12:38:29.522161",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index 1b020b39d..5ce05e9c6 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -1,12 +1,4 @@
 {
-	"@metadata": {
-		"authors": [
-			"Espertus",
-			"Liuxinyu970226",
-			"Robby",
-			"Shirayuki"
-		]
-	},
 	"VARIABLES_DEFAULT_NAME": "default name - A simple, general default name for a variable, preferably short. For more context, see [[Translating:Blockly#infrequent_message_types]].\n{{Identical|Item}}",
 	"TODAY": "button text - Button that sets a calendar to today's date.\n{{Identical|Today}}",
 	"DUPLICATE_BLOCK": "context menu - Make a copy of the selected block (and any blocks it contains).\n{{Identical|Duplicate}}",
@@ -85,17 +77,17 @@
 	"CONTROLS_IF_IF_TOOLTIP": "tooltip - Describes [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "tooltip - Describes the 'else if' subblock during [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
 	"CONTROLS_IF_ELSE_TOOLTIP": "tooltip - Describes the 'else' subblock during [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
-	"IOS_OK": "button text - Text on a button inside a dialogue window, which will accept or acknowledge the contents of the dialogue when pressed.\n{{Identical|OK}}",
-	"IOS_CANCEL": "button text - Text on a button inside a dialogue window, which will close or cancel the dialogue when pressed.\n{{Identical|Cancel}}",
-	"IOS_ERROR": "alert - Title text for an error dialogue.\n{{Identical|Error}}",
+	"IOS_OK": "button text - Text on a button inside a dialogue window, which will accept or acknowledge the contents of the dialogue when pressed.",
+	"IOS_CANCEL": "button text - Text on a button inside a dialogue window, which will close or cancel the dialogue when pressed.",
+	"IOS_ERROR": "alert - Title text for an error dialogue.",
 	"IOS_PROCEDURES_INPUTS": "header text - Title of a section that displays a list of parameters (aka. 'inputs') that have been defined for a procedure. This is used inside a dialogue window to configure a procedure.",
 	"IOS_PROCEDURES_ADD_INPUT": "button text - Text on a button which will add a parameter (aka. 'input') to a procedure. This is used inside a dialogue window to configure a procedure. NOTE: The '+' should be preserved at the beginning of the text.",
 	"IOS_PROCEDURES_ALLOW_STATEMENTS": "option text - Text describing an option to allow statements to be added within a procedure. This is used inside a dialogue window to configure a procedure.",
 	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "alert - Error message when duplicate parameters (aka. 'inputs') have been defined on a procedure. This is used inside a dialogue window to configure procedure parameters.",
 	"IOS_VARIABLES_ADD_VARIABLE": "button text - Text on a button which will open a variable creation dialogue when pressed. NOTE: The '+' should be preserved at the beginning of the text.",
 	"IOS_VARIABLES_ADD_BUTTON": "button text - Text on a button inside a variable creation dialogue, which will add a variable when pressed.",
-	"IOS_VARIABLES_RENAME_BUTTON": "button text - Text on a button inside a variable rename dialogue, which will rename a variable when pressed.\n{{Identical|Rename}}",
-	"IOS_VARIABLES_DELETE_BUTTON": "button text - Text on a button inside a variable deletion dialogue, which will delete a variable when pressed.\n{{Identical|Delete}}",
+	"IOS_VARIABLES_RENAME_BUTTON": "button text - Text on a button inside a variable rename dialogue, which will rename a variable when pressed.",
+	"IOS_VARIABLES_DELETE_BUTTON": "button text - Text on a button inside a variable deletion dialogue, which will delete a variable when pressed.",
 	"IOS_VARIABLES_VARIABLE_NAME": "placeholder text - Placeholder text used inside a text input, where a variable name should be entered.",
 	"IOS_VARIABLES_EMPTY_NAME_ERROR": "alert - Error message that is displayed when the user attempts to create a variable without a name.",
 	"LOGIC_COMPARE_HELPURL": "url - Information about comparisons.",
diff --git a/php_compressed.js b/php_compressed.js
index 87436e22e..75158b1cd 100644
--- a/php_compressed.js
+++ b/php_compressed.js
@@ -12,12 +12,12 @@ Blockly.PHP.init=function(a){Blockly.PHP.definitions_=Object.create(null);Blockl
 Blockly.PHP.finish=function(a){var b=[],c;for(c in Blockly.PHP.definitions_)b.push(Blockly.PHP.definitions_[c]);delete Blockly.PHP.definitions_;delete Blockly.PHP.functionNames_;Blockly.PHP.variableDB_.reset();return b.join("\n\n")+"\n\n\n"+a};Blockly.PHP.scrubNakedValue=function(a){return a+";\n"};Blockly.PHP.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/'/g,"\\'");return"'"+a+"'"};
 Blockly.PHP.scrub_=function(a,b){var c="";if(!a.outputConnection||!a.outputConnection.targetConnection){var d=a.getCommentText();(d=Blockly.utils.wrap(d,Blockly.PHP.COMMENT_WRAP-3))&&(c+=Blockly.PHP.prefixLines(d,"// ")+"\n");for(var e=0;e<a.inputList.length;e++)a.inputList[e].type==Blockly.INPUT_VALUE&&(d=a.inputList[e].connection.targetBlock())&&(d=Blockly.PHP.allNestedComments(d))&&(c+=Blockly.PHP.prefixLines(d,"// "))}e=a.nextConnection&&a.nextConnection.targetBlock();e=Blockly.PHP.blockToCode(e);
 return c+b+e};
-Blockly.PHP.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.PHP.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var g=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_ADDITION)||g:0>c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_SUBTRACTION)||g:d?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_UNARY_NEGATION)||g:Blockly.PHP.valueToCode(a,b,e)||g;if(Blockly.isNumber(a))a=parseFloat(a)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var f=Blockly.PHP.ORDER_ADDITION}else 0>c&&
-(a=a+" - "+-c,f=Blockly.PHP.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,f=Blockly.PHP.ORDER_UNARY_NEGATION);f=Math.floor(f);e=Math.floor(e);f&&e>=f&&(a="("+a+")")}return a};Blockly.PHP.lists={};Blockly.PHP.lists_create_empty=function(a){return["array()",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,"ADD"+c,Blockly.PHP.ORDER_COMMA)||"null";b="array("+b.join(", ")+")";return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
+Blockly.PHP.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.PHP.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_ADDITION)||f:0>c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_SUBTRACTION)||f:d?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_UNARY_NEGATION)||f:Blockly.PHP.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseFloat(a)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.PHP.ORDER_ADDITION}else 0>c&&
+(a=a+" - "+-c,g=Blockly.PHP.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.PHP.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.PHP.lists={};Blockly.PHP.lists_create_empty=function(a){return["array()",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,"ADD"+c,Blockly.PHP.ORDER_COMMA)||"null";b="array("+b.join(", ")+")";return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_repeat=function(a){var b=Blockly.PHP.provideFunction_("lists_repeat",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($value, $count) {","  $array = array();","  for ($index = 0; $index < $count; $index++) {","    $array[] = $value;","  }","  return $array;","}"]),c=Blockly.PHP.valueToCode(a,"ITEM",Blockly.PHP.ORDER_COMMA)||"null";a=Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_COMMA)||"0";return[b+"("+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_length=function(a){var b=Blockly.PHP.provideFunction_("length",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($value) {","  if (is_string($value)) {","    return strlen($value);","  } else {","    return count($value);","  }","}"]);a=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";return[b+"("+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_isEmpty=function(a){return["empty("+(Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_indexOf=function(a){var b=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"[]";if(a.workspace.options.oneBasedIndex)var d=" 0",e=" + 1";else d=" -1",e="";return[("FIRST"==a.getFieldValue("END")?Blockly.PHP.provideFunction_("indexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($haystack, $needle) {","  for ($index = 0; $index < count($haystack); $index++) {","    if ($haystack[$index] == $needle) return $index"+
+Blockly.PHP.lists_indexOf=function(a){var b=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"[]";if(a.workspace.options.oneBasedIndex){var d=" 0";var e=" + 1"}else d=" -1",e="";return[("FIRST"==a.getFieldValue("END")?Blockly.PHP.provideFunction_("indexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($haystack, $needle) {","  for ($index = 0; $index < count($haystack); $index++) {","    if ($haystack[$index] == $needle) return $index"+
 e+";","  }","  return "+d+";","}"]):Blockly.PHP.provideFunction_("lastIndexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($haystack, $needle) {","  $last = "+d+";","  for ($index = 0; $index < count($haystack); $index++) {","    if ($haystack[$index] == $needle) $last = $index"+e+";","  }","  return $last;","}"]))+"("+c+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET";switch(a.getFieldValue("WHERE")||"FROM_START"){case "FIRST":if("GET"==b){var c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"array()";return[c+"[0]",Blockly.PHP.ORDER_MEMBER]}if("GET_REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["array_shift("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||
 "array()","array_shift("+c+");\n";break;case "LAST":if("GET"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["end("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["array_pop("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()","array_pop("+c+");\n";break;case "FROM_START":var d=Blockly.PHP.getAdjusted(a,
@@ -25,24 +25,24 @@ Blockly.PHP.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET";swit
 "VALUE",Blockly.PHP.ORDER_COMMA)||"array()",d=Blockly.PHP.getAdjusted(a,"AT",1,!0),["array_slice("+c+", "+d+", 1)[0]",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b||"REMOVE"==b){c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()";d=Blockly.PHP.getAdjusted(a,"AT",1,!1,Blockly.PHP.ORDER_SUBTRACTION);c="array_splice("+c+", count("+c+") - "+d+", 1)[0]";if("GET_REMOVE"==b)return[c,Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c+";\n"}break;case "RANDOM":c=Blockly.PHP.valueToCode(a,
 "VALUE",Blockly.PHP.ORDER_NONE)||"array()";if("GET"==b)return b=Blockly.PHP.provideFunction_("lists_get_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list) {","  return $list[rand(0,count($list)-1)];","}"]),[b+"("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b)return b=Blockly.PHP.provideFunction_("lists_get_remove_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list) {","  $x = rand(0,count($list)-1);","  unset($list[$x]);","  return array_values($list);",
 "}"]),[b+"("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return b=Blockly.PHP.provideFunction_("lists_remove_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list) {","  unset($list[rand(0,count($list)-1)]);","}"]),b+"("+c+");\n"}throw"Unhandled combination (lists_getIndex).";};
-Blockly.PHP.lists_setIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"null";switch(c){case "FIRST":if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"[0] = "+d+";\n";if("INSERT"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()","array_unshift("+c+", "+d+");\n";break;case "LAST":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||
-"array()";if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_last_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $value) {","  $list[count($list) - 1] = $value;","}"]),b+"("+c+", "+d+");\n";if("INSERT"==b)return"array_push("+c+", "+d+");\n";break;case "FROM_START":var e=Blockly.PHP.getAdjusted(a,"AT");if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"["+e+"] = "+d+";\n";if("INSERT"==b)return c=Blockly.PHP.valueToCode(a,"LIST",
-Blockly.PHP.ORDER_COMMA)||"array()","array_splice("+c+", "+e+", 0, "+d+");\n";break;case "FROM_END":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()";e=Blockly.PHP.getAdjusted(a,"AT",1);if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_from_end",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $at, $value) {","  $list[count($list) - $at] = $value;","}"]),b+"("+c+", "+e+", "+d+");\n";if("INSERT"==b)return b=Blockly.PHP.provideFunction_("lists_insert_from_end",
+Blockly.PHP.lists_setIndex=function(a){var b=a.getFieldValue("MODE")||"GET";var c=a.getFieldValue("WHERE")||"FROM_START";var d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"null";switch(c){case "FIRST":if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"[0] = "+d+";\n";if("INSERT"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()","array_unshift("+c+", "+d+");\n";break;case "LAST":c=Blockly.PHP.valueToCode(a,
+"LIST",Blockly.PHP.ORDER_COMMA)||"array()";if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_last_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $value) {","  $list[count($list) - 1] = $value;","}"]),b+"("+c+", "+d+");\n";if("INSERT"==b)return"array_push("+c+", "+d+");\n";break;case "FROM_START":var e=Blockly.PHP.getAdjusted(a,"AT");if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"["+e+"] = "+d+";\n";if("INSERT"==b)return c=
+Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()","array_splice("+c+", "+e+", 0, "+d+");\n";break;case "FROM_END":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()";e=Blockly.PHP.getAdjusted(a,"AT",1);if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_from_end",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $at, $value) {","  $list[count($list) - $at] = $value;","}"]),b+"("+c+", "+e+", "+d+");\n";if("INSERT"==b)return b=Blockly.PHP.provideFunction_("lists_insert_from_end",
 ["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $at, $value) {","  return array_splice($list, count($list) - $at, 0, $value);","}"]),b+"("+c+", "+e+", "+d+");\n";break;case "RANDOM":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_REFERENCE)||"array()";c.match(/^\$\w+$/)?a="":(a=Blockly.PHP.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),e=a+" = &"+c+";\n",c=a,a=e);e=Blockly.PHP.variableDB_.getDistinctName("tmp_x",Blockly.Variables.NAME_TYPE);a+=e+" = rand(0, count("+
 c+")-1);\n";if("SET"==b)return a+(c+"["+e+"] = "+d+";\n");if("INSERT"==b)return a+("array_splice("+c+", "+e+", 0, "+d+");\n")}throw"Unhandled combination (lists_setIndex).";};
-Blockly.PHP.lists_getSublist=function(a){var b=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d)if(b.match(/^\$\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.PHP.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.PHP.getAdjusted(a,"AT1",1,!1,Blockly.PHP.ORDER_SUBTRACTION);e="count("+b+") - "+e;break;case "FIRST":e="0";break;default:throw"Unhandled option (lists_getSublist).";
-}switch(d){case "FROM_START":a=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c=a+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");c+=" + 1";break;case "FROM_END":a=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c="count("+b+") - "+a+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");break;case "LAST":c="count("+b+") - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+
-e+")");break;default:throw"Unhandled option (lists_getSublist).";}b="array_slice("+b+", "+e+", "+c+")"}else e=Blockly.PHP.getAdjusted(a,"AT1"),a=Blockly.PHP.getAdjusted(a,"AT2"),b=Blockly.PHP.provideFunction_("lists_get_sublist",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = count($list) - 1 - $at1;","  } else if ($where1 == 'FIRST') {","    $at1 = 0;","  } else if ($where1 != 'FROM_START'){","    throw new Exception('Unhandled option (lists_get_sublist).');",
-"  }","  $length = 0;","  if ($where2 == 'FROM_START') {","    $length = $at2 - $at1 + 1;","  } else if ($where2 == 'FROM_END') {","    $length = count($list) - $at1 - $at2;","  } else if ($where2 == 'LAST') {","    $length = count($list) - $at1;","  } else {","    throw new Exception('Unhandled option (lists_get_sublist).');","  }","  return array_slice($list, $at1, $length);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")";return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
+Blockly.PHP.lists_getSublist=function(a){var b=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()";var c=a.getFieldValue("WHERE1");var d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)var e=b;else if(b.match(/^\$\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":e=Blockly.PHP.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.PHP.getAdjusted(a,"AT1",1,!1,Blockly.PHP.ORDER_SUBTRACTION);e="count("+b+") - "+e;break;case "FIRST":e="0";break;default:throw"Unhandled option (lists_getSublist).";
+}switch(d){case "FROM_START":var f=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c=f+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");c+=" + 1";break;case "FROM_END":f=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c="count("+b+") - "+f+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");break;case "LAST":c="count("+b+") - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+
+e+")");break;default:throw"Unhandled option (lists_getSublist).";}e="array_slice("+b+", "+e+", "+c+")"}else e=Blockly.PHP.getAdjusted(a,"AT1"),f=Blockly.PHP.getAdjusted(a,"AT2"),a=Blockly.PHP.provideFunction_("lists_get_sublist",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = count($list) - 1 - $at1;","  } else if ($where1 == 'FIRST') {","    $at1 = 0;","  } else if ($where1 != 'FROM_START'){","    throw new Exception('Unhandled option (lists_get_sublist).');",
+"  }","  $length = 0;","  if ($where2 == 'FROM_START') {","    $length = $at2 - $at1 + 1;","  } else if ($where2 == 'FROM_END') {","    $length = count($list) - $at1 - $at2;","  } else if ($where2 == 'LAST') {","    $length = count($list) - $at1;","  } else {","    throw new Exception('Unhandled option (lists_get_sublist).');","  }","  return array_slice($list, $at1, $length);","}"]),e=a+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")";return[e,Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_sort=function(a){var b=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");return[Blockly.PHP.provideFunction_("lists_sort",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list, $type, $direction) {","  $sortCmpFuncs = array(",'    "NUMERIC" => "strnatcasecmp",','    "TEXT" => "strcmp",','    "IGNORE_CASE" => "strcasecmp"',"  );","  $sortCmp = $sortCmpFuncs[$type];","  $list2 = $list;","  usort($list2, $sortCmp);",
 "  if ($direction == -1) {","    $list2 = array_reverse($list2);","  }","  return $list2;","}"])+"("+b+', "'+a+'", '+c+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists_split=function(a){var b=Blockly.PHP.valueToCode(a,"INPUT",Blockly.PHP.ORDER_COMMA),c=Blockly.PHP.valueToCode(a,"DELIM",Blockly.PHP.ORDER_COMMA)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="explode";else if("JOIN"==a)b||(b="array()"),a="implode";else throw"Unknown mode: "+a;return[a+"("+c+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.lists_reverse=function(a){return["array_reverse("+(Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"[]")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.math={};Blockly.PHP.math_number=function(a){a=parseFloat(a.getFieldValue("NUM"));Infinity==a?a="INF":-Infinity==a&&(a="-INF");return[a,Blockly.PHP.ORDER_ATOMIC]};
 Blockly.PHP.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.PHP.ORDER_ADDITION],MINUS:[" - ",Blockly.PHP.ORDER_SUBTRACTION],MULTIPLY:[" * ",Blockly.PHP.ORDER_MULTIPLICATION],DIVIDE:[" / ",Blockly.PHP.ORDER_DIVISION],POWER:[" ** ",Blockly.PHP.ORDER_POWER]}[a.getFieldValue("OP")],c=b[0],b=b[1],d=Blockly.PHP.valueToCode(a,"A",b)||"0";a=Blockly.PHP.valueToCode(a,"B",b)||"0";return[d+c+a,b]};
-Blockly.PHP.math_single=function(a){var b=a.getFieldValue("OP"),c;if("NEG"==b)return a=Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.PHP.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_DIVISION)||"0":Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_NONE)||"0";switch(b){case "ABS":c="abs("+a+")";break;case "ROOT":c="sqrt("+a+")";break;case "LN":c="log("+a+")";break;case "EXP":c="exp("+
+Blockly.PHP.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.PHP.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_DIVISION)||"0":Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_NONE)||"0";switch(b){case "ABS":var c="abs("+a+")";break;case "ROOT":c="sqrt("+a+")";break;case "LN":c="log("+a+")";break;case "EXP":c="exp("+
 a+")";break;case "POW10":c="pow(10,"+a+")";break;case "ROUND":c="round("+a+")";break;case "ROUNDUP":c="ceil("+a+")";break;case "ROUNDDOWN":c="floor("+a+")";break;case "SIN":c="sin("+a+" / 180 * pi())";break;case "COS":c="cos("+a+" / 180 * pi())";break;case "TAN":c="tan("+a+" / 180 * pi())"}if(c)return[c,Blockly.PHP.ORDER_FUNCTION_CALL];switch(b){case "LOG10":c="log("+a+") / log(10)";break;case "ASIN":c="asin("+a+") / pi() * 180";break;case "ACOS":c="acos("+a+") / pi() * 180";break;case "ATAN":c="atan("+
 a+") / pi() * 180";break;default:throw"Unknown math operator: "+b;}return[c,Blockly.PHP.ORDER_DIVISION]};Blockly.PHP.math_constant=function(a){return{PI:["M_PI",Blockly.PHP.ORDER_ATOMIC],E:["M_E",Blockly.PHP.ORDER_ATOMIC],GOLDEN_RATIO:["(1 + sqrt(5)) / 2",Blockly.PHP.ORDER_DIVISION],SQRT2:["M_SQRT2",Blockly.PHP.ORDER_ATOMIC],SQRT1_2:["M_SQRT1_2",Blockly.PHP.ORDER_ATOMIC],INFINITY:["INF",Blockly.PHP.ORDER_ATOMIC]}[a.getFieldValue("CONSTANT")]};
-Blockly.PHP.math_number_property=function(a){var b=Blockly.PHP.valueToCode(a,"NUMBER_TO_CHECK",Blockly.PHP.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY"),d;if("PRIME"==c)return[Blockly.PHP.provideFunction_("math_isPrime",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if ($n == 2 || $n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
-"  if (!is_numeric($n) || $n <= 1 || $n % 1 != 0 || $n % 2 == 0 || $n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for ($x = 6; $x <= sqrt($n) + 1; $x += 6) {","    if ($n % ($x - 1) == 0 || $n % ($x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(c){case "EVEN":d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d="is_int("+b+")";break;case "POSITIVE":d=
+Blockly.PHP.math_number_property=function(a){var b=Blockly.PHP.valueToCode(a,"NUMBER_TO_CHECK",Blockly.PHP.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.PHP.provideFunction_("math_isPrime",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if ($n == 2 || $n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
+"  if (!is_numeric($n) || $n <= 1 || $n % 1 != 0 || $n % 2 == 0 || $n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for ($x = 6; $x <= sqrt($n) + 1; $x += 6) {","    if ($n % ($x - 1) == 0 || $n % ($x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d="is_int("+b+")";break;case "POSITIVE":d=
 b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.PHP.valueToCode(a,"DIVISOR",Blockly.PHP.ORDER_MODULUS)||"0",d=b+" % "+a+" == 0"}return[d,Blockly.PHP.ORDER_EQUALITY]};Blockly.PHP.math_change=function(a){var b=Blockly.PHP.valueToCode(a,"DELTA",Blockly.PHP.ORDER_ADDITION)||"0";return Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE)+" += "+b+";\n"};Blockly.PHP.math_round=Blockly.PHP.math_single;Blockly.PHP.math_trig=Blockly.PHP.math_single;
 Blockly.PHP.math_on_list=function(a){var b=a.getFieldValue("OP");switch(b){case "SUM":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="array_sum("+a+")";break;case "MIN":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="min("+a+")";break;case "MAX":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="max("+a+")";break;case "AVERAGE":b=Blockly.PHP.provideFunction_("math_mean",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+
 "($myList) {","  return array_sum($myList) / count($myList);","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||"array()";a=b+"("+a+")";break;case "MEDIAN":b=Blockly.PHP.provideFunction_("math_median",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($arr) {","  sort($arr,SORT_NUMERIC);","  return (count($arr) % 2) ? $arr[floor(count($arr)/2)] : ","      ($arr[floor(count($arr)/2)] + $arr[floor(count($arr)/2) - 1]) / 2;","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||
@@ -57,31 +57,31 @@ Blockly.PHP.colour_rgb=function(a){var b=Blockly.PHP.valueToCode(a,"RED",Blockly
 Blockly.PHP.colour_blend=function(a){var b=Blockly.PHP.valueToCode(a,"COLOUR1",Blockly.PHP.ORDER_COMMA)||"'#000000'",c=Blockly.PHP.valueToCode(a,"COLOUR2",Blockly.PHP.ORDER_COMMA)||"'#000000'";a=Blockly.PHP.valueToCode(a,"RATIO",Blockly.PHP.ORDER_COMMA)||.5;return[Blockly.PHP.provideFunction_("colour_blend",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($c1, $c2, $ratio) {","  $ratio = max(min($ratio, 1), 0);","  $r1 = hexdec(substr($c1, 1, 2));","  $g1 = hexdec(substr($c1, 3, 2));","  $b1 = hexdec(substr($c1, 5, 2));",
 "  $r2 = hexdec(substr($c2, 1, 2));","  $g2 = hexdec(substr($c2, 3, 2));","  $b2 = hexdec(substr($c2, 5, 2));","  $r = round($r1 * (1 - $ratio) + $r2 * $ratio);","  $g = round($g1 * (1 - $ratio) + $g2 * $ratio);","  $b = round($b1 * (1 - $ratio) + $b2 * $ratio);","  $hex = '#';","  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);","  return $hex;","}"])+"("+b+", "+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.procedures={};
 Blockly.PHP.procedures_defreturn=function(a){for(var b=[],c=0,d;d=a.workspace.variableList[c];c++)-1==a.arguments_.indexOf(d)&&b.push(Blockly.PHP.variableDB_.getName(d,Blockly.Variables.NAME_TYPE));b=b.length?"  global "+b.join(", ")+";\n":"";d=Blockly.PHP.variableDB_.getName(a.getFieldValue("NAME"),Blockly.Procedures.NAME_TYPE);var e=Blockly.PHP.statementToCode(a,"STACK");Blockly.PHP.STATEMENT_PREFIX&&(e=Blockly.PHP.prefixLines(Blockly.PHP.STATEMENT_PREFIX.replace(/%1/g,"'"+a.id+"'"),Blockly.PHP.INDENT)+
-e);Blockly.PHP.INFINITE_LOOP_TRAP&&(e=Blockly.PHP.INFINITE_LOOP_TRAP.replace(/%1/g,"'"+a.id+"'")+e);var g=Blockly.PHP.valueToCode(a,"RETURN",Blockly.PHP.ORDER_NONE)||"";g&&(g="  return "+g+";\n");for(var f=[],c=0;c<a.arguments_.length;c++)f[c]=Blockly.PHP.variableDB_.getName(a.arguments_[c],Blockly.Variables.NAME_TYPE);b="function "+d+"("+f.join(", ")+") {\n"+b+e+g+"}";b=Blockly.PHP.scrub_(a,b);Blockly.PHP.definitions_["%"+d]=b;return null};Blockly.PHP.procedures_defnoreturn=Blockly.PHP.procedures_defreturn;
+e);Blockly.PHP.INFINITE_LOOP_TRAP&&(e=Blockly.PHP.INFINITE_LOOP_TRAP.replace(/%1/g,"'"+a.id+"'")+e);var f=Blockly.PHP.valueToCode(a,"RETURN",Blockly.PHP.ORDER_NONE)||"";f&&(f="  return "+f+";\n");for(var g=[],c=0;c<a.arguments_.length;c++)g[c]=Blockly.PHP.variableDB_.getName(a.arguments_[c],Blockly.Variables.NAME_TYPE);b="function "+d+"("+g.join(", ")+") {\n"+b+e+f+"}";b=Blockly.PHP.scrub_(a,b);Blockly.PHP.definitions_["%"+d]=b;return null};Blockly.PHP.procedures_defnoreturn=Blockly.PHP.procedures_defreturn;
 Blockly.PHP.procedures_callreturn=function(a){for(var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("NAME"),Blockly.Procedures.NAME_TYPE),c=[],d=0;d<a.arguments_.length;d++)c[d]=Blockly.PHP.valueToCode(a,"ARG"+d,Blockly.PHP.ORDER_COMMA)||"null";return[b+"("+c.join(", ")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.procedures_callnoreturn=function(a){for(var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("NAME"),Blockly.Procedures.NAME_TYPE),c=[],d=0;d<a.arguments_.length;d++)c[d]=Blockly.PHP.valueToCode(a,"ARG"+d,Blockly.PHP.ORDER_COMMA)||"null";return b+"("+c.join(", ")+");\n"};
 Blockly.PHP.procedures_ifreturn=function(a){var b="if ("+(Blockly.PHP.valueToCode(a,"CONDITION",Blockly.PHP.ORDER_NONE)||"false")+") {\n";a.hasReturnValue_?(a=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"null",b+="  return "+a+";\n"):b+="  return;\n";return b+"}\n"};Blockly.PHP.texts={};Blockly.PHP.text=function(a){return[Blockly.PHP.quote_(a.getFieldValue("TEXT")),Blockly.PHP.ORDER_ATOMIC]};
-Blockly.PHP.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.PHP.ORDER_ATOMIC];if(1==a.itemCount_)return[Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_NONE)||"''",Blockly.PHP.ORDER_FUNCTION_CALL];if(2==a.itemCount_){var b=Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_NONE)||"''";a=Blockly.PHP.valueToCode(a,"ADD1",Blockly.PHP.ORDER_NONE)||"''";return[b+" . "+a,Blockly.PHP.ORDER_ADDITION]}for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,"ADD"+
-c,Blockly.PHP.ORDER_COMMA)||"''";a="implode('', array("+b.join(",")+"))";return[a,Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_append=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);a=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_ASSIGNMENT)||"''";return b+" .= "+a+";\n"};
+Blockly.PHP.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.PHP.ORDER_ATOMIC];if(1==a.itemCount_)return a=Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_NONE)||"''",[a,Blockly.PHP.ORDER_FUNCTION_CALL];if(2==a.itemCount_){var b=Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_NONE)||"''";a=Blockly.PHP.valueToCode(a,"ADD1",Blockly.PHP.ORDER_NONE)||"''";return[b+" . "+a,Blockly.PHP.ORDER_ADDITION]}b=Array(a.itemCount_);for(var c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,
+"ADD"+c,Blockly.PHP.ORDER_COMMA)||"''";return["implode('', array("+b.join(",")+"))",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_append=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);a=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_ASSIGNMENT)||"''";return b+" .= "+a+";\n"};
 Blockly.PHP.text_length=function(a){var b=Blockly.PHP.provideFunction_("length",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($value) {","  if (is_string($value)) {","    return strlen($value);","  } else {","    return count($value);","  }","}"]);a=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";return[b+"("+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_isEmpty=function(a){return["empty("+(Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"strpos":"strrpos",c=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",d=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex)var e=" 0",g=" + 1";else e=" -1",g="";return[Blockly.PHP.provideFunction_("FIRST"==a.getFieldValue("END")?"text_indexOf":"text_lastIndexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $search) {","  $pos = "+b+"($text, $search);",
-"  return $pos === false ? "+e+" : $pos"+g+";","}"])+"("+d+", "+c+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
+Blockly.PHP.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"strpos":"strrpos",c=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",d=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex){var e=" 0";var f=" + 1"}else e=" -1",f="";return[Blockly.PHP.provideFunction_("FIRST"==a.getFieldValue("END")?"text_indexOf":"text_lastIndexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $search) {","  $pos = "+b+"($text, $search);",
+"  return $pos === false ? "+e+" : $pos"+f+";","}"])+"("+d+", "+c+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.PHP.valueToCode(a,"VALUE","RANDOM"==b?Blockly.PHP.ORDER_NONE:Blockly.PHP.ORDER_COMMA)||"''";switch(b){case "FIRST":return["substr("+c+", 0, 1)",Blockly.PHP.ORDER_FUNCTION_CALL];case "LAST":return["substr("+c+", -1)",Blockly.PHP.ORDER_FUNCTION_CALL];case "FROM_START":return a=Blockly.PHP.getAdjusted(a,"AT"),["substr("+c+", "+a+", 1)",Blockly.PHP.ORDER_FUNCTION_CALL];case "FROM_END":return a=Blockly.PHP.getAdjusted(a,
 "AT",1,!0),["substr("+c+", "+a+", 1)",Blockly.PHP.ORDER_FUNCTION_CALL];case "RANDOM":return[Blockly.PHP.provideFunction_("text_random_letter",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text) {","  return $text[rand(0, strlen($text) - 1)];","}"])+"("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL]}throw"Unhandled option (text_charAt).";};
-Blockly.PHP.text_getSubstring=function(a){var b=Blockly.PHP.valueToCode(a,"STRING",Blockly.PHP.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d){var e=Blockly.PHP.getAdjusted(a,"AT1");a=Blockly.PHP.getAdjusted(a,"AT2");b=Blockly.PHP.provideFunction_("text_get_substring",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = strlen($text) - 1 - $at1;","  } else if ($where1 == 'FIRST') {",
-"    $at1 = 0;","  } else if ($where1 != 'FROM_START'){","    throw new Exception('Unhandled option (text_get_substring).');","  }","  $length = 0;","  if ($where2 == 'FROM_START') {","    $length = $at2 - $at1 + 1;","  } else if ($where2 == 'FROM_END') {","    $length = strlen($text) - $at1 - $at2;","  } else if ($where2 == 'LAST') {","    $length = strlen($text) - $at1;","  } else {","    throw new Exception('Unhandled option (text_get_substring).');","  }","  return substr($text, $at1, $length);",
-"}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")"}return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_changeCase=function(a){var b=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''";if("UPPERCASE"==a.getFieldValue("CASE"))var c="strtoupper("+b+")";else"LOWERCASE"==a.getFieldValue("CASE")?c="strtolower("+b+")":"TITLECASE"==a.getFieldValue("CASE")&&(c="ucwords(strtolower("+b+"))");return[c,Blockly.PHP.ORDER_FUNCTION_CALL]};
+Blockly.PHP.text_getSubstring=function(a){var b=Blockly.PHP.valueToCode(a,"STRING",Blockly.PHP.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)var e=b;else{e=Blockly.PHP.getAdjusted(a,"AT1");var f=Blockly.PHP.getAdjusted(a,"AT2");a=Blockly.PHP.provideFunction_("text_get_substring",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = strlen($text) - 1 - $at1;",
+"  } else if ($where1 == 'FIRST') {","    $at1 = 0;","  } else if ($where1 != 'FROM_START'){","    throw new Exception('Unhandled option (text_get_substring).');","  }","  $length = 0;","  if ($where2 == 'FROM_START') {","    $length = $at2 - $at1 + 1;","  } else if ($where2 == 'FROM_END') {","    $length = strlen($text) - $at1 - $at2;","  } else if ($where2 == 'LAST') {","    $length = strlen($text) - $at1;","  } else {","    throw new Exception('Unhandled option (text_get_substring).');","  }",
+"  return substr($text, $at1, $length);","}"]);e=a+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")"}return[e,Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_changeCase=function(a){var b,c=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''";"UPPERCASE"==a.getFieldValue("CASE")?b="strtoupper("+c+")":"LOWERCASE"==a.getFieldValue("CASE")?b="strtolower("+c+")":"TITLECASE"==a.getFieldValue("CASE")&&(b="ucwords(strtolower("+c+"))");return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.text_trim=function(a){var b={LEFT:"ltrim",RIGHT:"rtrim",BOTH:"trim"}[a.getFieldValue("MODE")];a=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''";return[b+"("+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_print=function(a){return"print("+(Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''")+");\n"};
 Blockly.PHP.text_prompt_ext=function(a){var b="readline("+(a.getField("TEXT")?Blockly.PHP.quote_(a.getFieldValue("TEXT")):Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''")+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="floatval("+b+")");return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_prompt=Blockly.PHP.text_prompt_ext;
 Blockly.PHP.text_count=function(a){var b=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''";a=Blockly.PHP.valueToCode(a,"SUB",Blockly.PHP.ORDER_NONE)||"''";return["strlen("+a+") === 0 ? strlen("+b+") + 1 : substr_count("+b+", "+a+")",Blockly.PHP.ORDER_CONDITIONAL]};
 Blockly.PHP.text_replace=function(a){var b=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''",c=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_NONE)||"''";a=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_NONE)||"''";return["str_replace("+c+", "+a+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_reverse=function(a){return["strrev("+(Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.loops={};
-Blockly.PHP.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.PHP.valueToCode(a,"TIMES",Blockly.PHP.ORDER_ASSIGNMENT)||"0",c=Blockly.PHP.statementToCode(a,"DO"),c=Blockly.PHP.addLoopTrap(c,a.id);a="";var d=Blockly.PHP.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.PHP.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),a+=e+" = "+b+";\n");return a+("for ("+
-d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.PHP.controls_repeat=Blockly.PHP.controls_repeat_ext;Blockly.PHP.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.PHP.valueToCode(a,"BOOL",b?Blockly.PHP.ORDER_LOGICAL_NOT:Blockly.PHP.ORDER_NONE)||"false",d=Blockly.PHP.statementToCode(a,"DO"),d=Blockly.PHP.addLoopTrap(d,a.id);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.PHP.controls_for=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_ASSIGNMENT)||"0",d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"0",e=Blockly.PHP.valueToCode(a,"BY",Blockly.PHP.ORDER_ASSIGNMENT)||"1",g=Blockly.PHP.statementToCode(a,"DO"),g=Blockly.PHP.addLoopTrap(g,a.id);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var f=parseFloat(c)<=parseFloat(d);
-a="for ("+b+" = "+c+"; "+b+(f?" <= ":" >= ")+d+"; "+b;b=Math.abs(parseFloat(e));a=(1==b?a+(f?"++":"--"):a+((f?" += ":" -= ")+b))+(") {\n"+g+"}\n")}else a="",f=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(f=Blockly.PHP.variableDB_.getDistinctName(b+"_start",Blockly.Variables.NAME_TYPE),a+=f+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.PHP.variableDB_.getDistinctName(b+"_end",Blockly.Variables.NAME_TYPE),a+=c+" = "+d+";\n"),d=Blockly.PHP.variableDB_.getDistinctName(b+"_inc",Blockly.Variables.NAME_TYPE),
-a+=d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("abs("+e+");\n"),a=a+("if ("+f+" > "+c+") {\n")+(Blockly.PHP.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+f+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+g+"}\n";return a};
+Blockly.PHP.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.PHP.valueToCode(a,"TIMES",Blockly.PHP.ORDER_ASSIGNMENT)||"0";var c=Blockly.PHP.statementToCode(a,"DO"),c=Blockly.PHP.addLoopTrap(c,a.id),d="",e=Blockly.PHP.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE);a=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(a=Blockly.PHP.variableDB_.getDistinctName("repeat_end",Blockly.Variables.NAME_TYPE),d+=a+" = "+b+";\n");return d+("for ("+
+e+" = 0; "+e+" < "+a+"; "+e+"++) {\n"+c+"}\n")};Blockly.PHP.controls_repeat=Blockly.PHP.controls_repeat_ext;Blockly.PHP.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.PHP.valueToCode(a,"BOOL",b?Blockly.PHP.ORDER_LOGICAL_NOT:Blockly.PHP.ORDER_NONE)||"false",d=Blockly.PHP.statementToCode(a,"DO"),d=Blockly.PHP.addLoopTrap(d,a.id);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
+Blockly.PHP.controls_for=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);var c=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_ASSIGNMENT)||"0";var d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"0",e=Blockly.PHP.valueToCode(a,"BY",Blockly.PHP.ORDER_ASSIGNMENT)||"1",f=Blockly.PHP.statementToCode(a,"DO"),f=Blockly.PHP.addLoopTrap(f,a.id);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=parseFloat(c)<=parseFloat(d);
+a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(parseFloat(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.PHP.variableDB_.getDistinctName(b+"_start",Blockly.Variables.NAME_TYPE),a+=g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.PHP.variableDB_.getDistinctName(b+"_end",Blockly.Variables.NAME_TYPE),a+=c+" = "+d+";\n"),d=Blockly.PHP.variableDB_.getDistinctName(b+"_inc",Blockly.Variables.NAME_TYPE),
+a+=d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("abs("+e+");\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.PHP.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
 Blockly.PHP.controls_forEach=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_ASSIGNMENT)||"[]",d=Blockly.PHP.statementToCode(a,"DO"),d=Blockly.PHP.addLoopTrap(d,a.id);return""+("foreach ("+c+" as "+b+") {\n"+d+"}\n")};
-Blockly.PHP.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.PHP.logic={};Blockly.PHP.controls_if=function(a){var b=0,c="",d,e;do e=Blockly.PHP.valueToCode(a,"IF"+b,Blockly.PHP.ORDER_NONE)||"false",d=Blockly.PHP.statementToCode(a,"DO"+b),c+=(0<b?" else ":"")+"if ("+e+") {\n"+d+"}",++b;while(a.getInput("IF"+b));a.getInput("ELSE")&&(d=Blockly.PHP.statementToCode(a,"ELSE"),c+=" else {\n"+d+"}");return c+"\n"};Blockly.PHP.controls_ifelse=Blockly.PHP.controls_if;
+Blockly.PHP.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break;\n";case "CONTINUE":return"continue;\n"}throw"Unknown flow statement.";};Blockly.PHP.logic={};Blockly.PHP.controls_if=function(a){var b=0,c="";do{var d=Blockly.PHP.valueToCode(a,"IF"+b,Blockly.PHP.ORDER_NONE)||"false";var e=Blockly.PHP.statementToCode(a,"DO"+b);c+=(0<b?" else ":"")+"if ("+d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));a.getInput("ELSE")&&(e=Blockly.PHP.statementToCode(a,"ELSE"),c+=" else {\n"+e+"}");return c+"\n"};Blockly.PHP.controls_ifelse=Blockly.PHP.controls_if;
 Blockly.PHP.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.PHP.ORDER_EQUALITY:Blockly.PHP.ORDER_RELATIONAL,d=Blockly.PHP.valueToCode(a,"A",c)||"0";a=Blockly.PHP.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
 Blockly.PHP.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.PHP.ORDER_LOGICAL_AND:Blockly.PHP.ORDER_LOGICAL_OR,d=Blockly.PHP.valueToCode(a,"A",c);a=Blockly.PHP.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.PHP.logic_negate=function(a){var b=Blockly.PHP.ORDER_LOGICAL_NOT;return["!"+(Blockly.PHP.valueToCode(a,"BOOL",b)||"true"),b]};
 Blockly.PHP.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.logic_null=function(a){return["null",Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.logic_ternary=function(a){var b=Blockly.PHP.valueToCode(a,"IF",Blockly.PHP.ORDER_CONDITIONAL)||"false",c=Blockly.PHP.valueToCode(a,"THEN",Blockly.PHP.ORDER_CONDITIONAL)||"null";a=Blockly.PHP.valueToCode(a,"ELSE",Blockly.PHP.ORDER_CONDITIONAL)||"null";return[b+" ? "+c+" : "+a,Blockly.PHP.ORDER_CONDITIONAL]};
\ No newline at end of file
diff --git a/python_compressed.js b/python_compressed.js
index d520ce0a4..5a2f7cc44 100644
--- a/python_compressed.js
+++ b/python_compressed.js
@@ -14,29 +14,29 @@ Blockly.Python.scrub_=function(a,b){var c="";if(!a.outputConnection||!a.outputCo
 e=Blockly.Python.blockToCode(e);return c+b+e};Blockly.Python.getAdjustedInt=function(a,b,c,d){c=c||0;a.workspace.options.oneBasedIndex&&c--;var e=a.workspace.options.oneBasedIndex?"1":"0";a=Blockly.Python.valueToCode(a,b,c?Blockly.Python.ORDER_ADDITIVE:Blockly.Python.ORDER_NONE)||e;Blockly.isNumber(a)?(a=parseInt(a,10)+c,d&&(a=-a)):(a=0<c?"int("+a+" + "+c+")":0>c?"int("+a+" - "+-c+")":"int("+a+")",d&&(a="-"+a));return a};Blockly.Python.lists={};Blockly.Python.lists_create_empty=function(a){return["[]",Blockly.Python.ORDER_ATOMIC]};Blockly.Python.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.Python.valueToCode(a,"ADD"+c,Blockly.Python.ORDER_NONE)||"None";return["["+b.join(", ")+"]",Blockly.Python.ORDER_ATOMIC]};
 Blockly.Python.lists_repeat=function(a){var b=Blockly.Python.valueToCode(a,"ITEM",Blockly.Python.ORDER_NONE)||"None";a=Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_MULTIPLICATIVE)||"0";return["["+b+"] * "+a,Blockly.Python.ORDER_MULTIPLICATIVE]};Blockly.Python.lists_length=function(a){return["len("+(Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"[]")+")",Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.lists_isEmpty=function(a){return["not len("+(Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"[]")+")",Blockly.Python.ORDER_LOGICAL_NOT]};
-Blockly.Python.lists_indexOf=function(a){var b=Blockly.Python.valueToCode(a,"FIND",Blockly.Python.ORDER_NONE)||"[]",c=Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex)var d=" 0",e=" + 1",f="";else d=" -1",e="",f=" - 1";if("FIRST"==a.getFieldValue("END"))return a=Blockly.Python.provideFunction_("first_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = my_list.index(elem)"+e,"  except: index ="+d,"  return index"]),
-[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL];a=Blockly.Python.provideFunction_("last_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = len(my_list) - my_list[::-1].index(elem)"+f,"  except: index ="+d,"  return index"]);return[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.Python.valueToCode(a,"VALUE","RANDOM"==c?Blockly.Python.ORDER_NONE:Blockly.Python.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop(0)",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop(0)\n";break;case "LAST":if("GET"==b)return[d+"[-1]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==
+Blockly.Python.lists_indexOf=function(a){var b=Blockly.Python.valueToCode(a,"FIND",Blockly.Python.ORDER_NONE)||"[]",c=Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex){var d=" 0";var e=" + 1";var f=""}else d=" -1",e="",f=" - 1";if("FIRST"==a.getFieldValue("END"))return a=Blockly.Python.provideFunction_("first_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = my_list.index(elem)"+e,"  except: index ="+
+d,"  return index"]),[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL];a=Blockly.Python.provideFunction_("last_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = len(my_list) - my_list[::-1].index(elem)"+f,"  except: index ="+d,"  return index"]);return[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL]};
+Blockly.Python.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START";var d=Blockly.Python.valueToCode(a,"VALUE","RANDOM"==c?Blockly.Python.ORDER_NONE:Blockly.Python.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop(0)",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop(0)\n";break;case "LAST":if("GET"==b)return[d+"[-1]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==
 b)return[d+".pop()",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop()\n";break;case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT");if("GET"==b)return[d+"["+a+"]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop("+a+")",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop("+a+")\n";break;case "FROM_END":a=Blockly.Python.getAdjustedInt(a,"AT",1,!0);if("GET"==b)return[d+"["+a+"]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop("+a+")",
 Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop("+a+")\n";break;case "RANDOM":Blockly.Python.definitions_.import_random="import random";if("GET"==b)return["random.choice("+d+")",Blockly.Python.ORDER_FUNCTION_CALL];d=Blockly.Python.provideFunction_("lists_remove_random_item",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  x = int(random.random() * len(myList))","  return myList.pop(x)"])+"("+d+")";if("GET_REMOVE"==b)return[d,Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==
 b)return d+"\n"}throw"Unhandled combination (lists_getIndex).";};
 Blockly.Python.lists_setIndex=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]",c=a.getFieldValue("MODE")||"GET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"None";switch(d){case "FIRST":if("SET"==c)return b+"[0] = "+e+"\n";if("INSERT"==c)return b+".insert(0, "+e+")\n";break;case "LAST":if("SET"==c)return b+"[-1] = "+e+"\n";if("INSERT"==c)return b+".append("+e+")\n";break;case "FROM_START":a=Blockly.Python.getAdjustedInt(a,
 "AT");if("SET"==c)return b+"["+a+"] = "+e+"\n";if("INSERT"==c)return b+".insert("+a+", "+e+")\n";break;case "FROM_END":a=Blockly.Python.getAdjustedInt(a,"AT",1,!0);if("SET"==c)return b+"["+a+"] = "+e+"\n";if("INSERT"==c)return b+".insert("+a+", "+e+")\n";break;case "RANDOM":Blockly.Python.definitions_.import_random="import random";b.match(/^\w+$/)?a="":(a=Blockly.Python.variableDB_.getDistinctName("tmp_list",Blockly.Variables.NAME_TYPE),d=a+" = "+b+"\n",b=a,a=d);d=Blockly.Python.variableDB_.getDistinctName("tmp_x",
 Blockly.Variables.NAME_TYPE);a+=d+" = int(random.random() * len("+b+"))\n";if("SET"==c)return a+(b+"["+d+"] = "+e+"\n");if("INSERT"==c)return a+(b+".insert("+d+", "+e+")\n")}throw"Unhandled combination (lists_setIndex).";};
-Blockly.Python.lists_getSublist=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");switch(c){case "FROM_START":c=Blockly.Python.getAdjustedInt(a,"AT1");"0"==c&&(c="");break;case "FROM_END":c=Blockly.Python.getAdjustedInt(a,"AT1",1,!0);break;case "FIRST":c="";break;default:throw"Unhandled option (lists_getSublist)";}switch(d){case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT2",1);break;case "FROM_END":a=
+Blockly.Python.lists_getSublist=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]";var c=a.getFieldValue("WHERE1");var d=a.getFieldValue("WHERE2");switch(c){case "FROM_START":c=Blockly.Python.getAdjustedInt(a,"AT1");"0"==c&&(c="");break;case "FROM_END":c=Blockly.Python.getAdjustedInt(a,"AT1",1,!0);break;case "FIRST":c="";break;default:throw"Unhandled option (lists_getSublist)";}switch(d){case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT2",1);break;case "FROM_END":a=
 Blockly.Python.getAdjustedInt(a,"AT2",0,!0);Blockly.isNumber(String(a))?"0"==a&&(a=""):(Blockly.Python.definitions_.import_sys="import sys",a+=" or sys.maxsize");break;case "LAST":a="";break;default:throw"Unhandled option (lists_getSublist)";}return[b+"["+c+" : "+a+"]",Blockly.Python.ORDER_MEMBER]};
 Blockly.Python.lists_sort=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]",c=a.getFieldValue("TYPE");a="1"===a.getFieldValue("DIRECTION")?"False":"True";return[Blockly.Python.provideFunction_("lists_sort",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, type, reverse):","  def try_float(s):","    try:","      return float(s)","    except:","      return 0","  key_funcs = {",'    "NUMERIC": try_float,','    "TEXT": str,','    "IGNORE_CASE": lambda s: str(s).lower()',
 "  }","  key_func = key_funcs[type]","  list_cpy = list(my_list)","  return sorted(list_cpy, key=key_func, reverse=reverse)"])+"("+b+', "'+c+'", '+a+")",Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.lists_split=function(a){var b=a.getFieldValue("MODE");if("SPLIT"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_MEMBER)||"''",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_NONE),a=b+".split("+a+")";else if("JOIN"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_NONE)||"[]",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_MEMBER)||"''",a=a+".join("+b+")";else throw"Unknown mode: "+b;return[a,Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_reverse=function(a){return["list(reversed("+(Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]")+"))",Blockly.Python.ORDER_FUNCTION_CALL]};Blockly.Python.math={};Blockly.Python.addReservedWords("math,random,Number");Blockly.Python.math_number=function(a){a=parseFloat(a.getFieldValue("NUM"));var b;Infinity==a?(a='float("inf")',b=Blockly.Python.ORDER_FUNCTION_CALL):-Infinity==a?(a='-float("inf")',b=Blockly.Python.ORDER_UNARY_SIGN):b=0>a?Blockly.Python.ORDER_UNARY_SIGN:Blockly.Python.ORDER_ATOMIC;return[a,b]};
+Blockly.Python.lists_reverse=function(a){return["list(reversed("+(Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]")+"))",Blockly.Python.ORDER_FUNCTION_CALL]};Blockly.Python.math={};Blockly.Python.addReservedWords("math,random,Number");Blockly.Python.math_number=function(a){a=parseFloat(a.getFieldValue("NUM"));if(Infinity==a){a='float("inf")';var b=Blockly.Python.ORDER_FUNCTION_CALL}else-Infinity==a?(a='-float("inf")',b=Blockly.Python.ORDER_UNARY_SIGN):b=0>a?Blockly.Python.ORDER_UNARY_SIGN:Blockly.Python.ORDER_ATOMIC;return[a,b]};
 Blockly.Python.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Python.ORDER_ADDITIVE],MINUS:[" - ",Blockly.Python.ORDER_ADDITIVE],MULTIPLY:[" * ",Blockly.Python.ORDER_MULTIPLICATIVE],DIVIDE:[" / ",Blockly.Python.ORDER_MULTIPLICATIVE],POWER:[" ** ",Blockly.Python.ORDER_EXPONENTIATION]}[a.getFieldValue("OP")],c=b[0],b=b[1],d=Blockly.Python.valueToCode(a,"A",b)||"0";a=Blockly.Python.valueToCode(a,"B",b)||"0";return[d+c+a,b]};
-Blockly.Python.math_single=function(a){var b=a.getFieldValue("OP"),c;if("NEG"==b)return c=Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_UNARY_SIGN)||"0",["-"+c,Blockly.Python.ORDER_UNARY_SIGN];Blockly.Python.definitions_.import_math="import math";a="SIN"==b||"COS"==b||"TAN"==b?Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_MULTIPLICATIVE)||"0":Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_NONE)||"0";switch(b){case "ABS":c="math.fabs("+a+")";break;case "ROOT":c="math.sqrt("+
+Blockly.Python.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b){var c=Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_UNARY_SIGN)||"0";return["-"+c,Blockly.Python.ORDER_UNARY_SIGN]}Blockly.Python.definitions_.import_math="import math";a="SIN"==b||"COS"==b||"TAN"==b?Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_MULTIPLICATIVE)||"0":Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_NONE)||"0";switch(b){case "ABS":c="math.fabs("+a+")";break;case "ROOT":c="math.sqrt("+
 a+")";break;case "LN":c="math.log("+a+")";break;case "LOG10":c="math.log10("+a+")";break;case "EXP":c="math.exp("+a+")";break;case "POW10":c="math.pow(10,"+a+")";break;case "ROUND":c="round("+a+")";break;case "ROUNDUP":c="math.ceil("+a+")";break;case "ROUNDDOWN":c="math.floor("+a+")";break;case "SIN":c="math.sin("+a+" / 180.0 * math.pi)";break;case "COS":c="math.cos("+a+" / 180.0 * math.pi)";break;case "TAN":c="math.tan("+a+" / 180.0 * math.pi)"}if(c)return[c,Blockly.Python.ORDER_FUNCTION_CALL];switch(b){case "ASIN":c=
 "math.asin("+a+") / math.pi * 180";break;case "ACOS":c="math.acos("+a+") / math.pi * 180";break;case "ATAN":c="math.atan("+a+") / math.pi * 180";break;default:throw"Unknown math operator: "+b;}return[c,Blockly.Python.ORDER_MULTIPLICATIVE]};
 Blockly.Python.math_constant=function(a){var b={PI:["math.pi",Blockly.Python.ORDER_MEMBER],E:["math.e",Blockly.Python.ORDER_MEMBER],GOLDEN_RATIO:["(1 + math.sqrt(5)) / 2",Blockly.Python.ORDER_MULTIPLICATIVE],SQRT2:["math.sqrt(2)",Blockly.Python.ORDER_MEMBER],SQRT1_2:["math.sqrt(1.0 / 2)",Blockly.Python.ORDER_MEMBER],INFINITY:["float('inf')",Blockly.Python.ORDER_ATOMIC]};a=a.getFieldValue("CONSTANT");"INFINITY"!=a&&(Blockly.Python.definitions_.import_math="import math");return b[a]};
-Blockly.Python.math_number_property=function(a){var b=Blockly.Python.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Python.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY"),d;if("PRIME"==c)return Blockly.Python.definitions_.import_math="import math",Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number",[Blockly.Python.provideFunction_("math_isPrime",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(n):","  # https://en.wikipedia.org/wiki/Primality_test#Naive_methods",
+Blockly.Python.math_number_property=function(a){var b=Blockly.Python.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Python.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return Blockly.Python.definitions_.import_math="import math",Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number",[Blockly.Python.provideFunction_("math_isPrime",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(n):","  # https://en.wikipedia.org/wiki/Primality_test#Naive_methods",
 "  # If n is not a number but a string, try parsing it.","  if not isinstance(n, Number):","    try:","      n = float(n)","    except:","      return False","  if n == 2 or n == 3:","    return True","  # False if n is negative, is 1, or not whole, or if n is divisible by 2 or 3.","  if n <= 1 or n % 1 != 0 or n % 2 == 0 or n % 3 == 0:","    return False","  # Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for x in range(6, int(math.sqrt(n)) + 2, 6):","    if n % (x - 1) == 0 or n % (x + 1) == 0:",
-"      return False","  return True"])+"("+b+")",Blockly.Python.ORDER_FUNCTION_CALL];switch(c){case "EVEN":d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Python.valueToCode(a,"DIVISOR",Blockly.Python.ORDER_MULTIPLICATIVE);if(!a||"0"==a)return["False",Blockly.Python.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Python.ORDER_RELATIONAL]};
+"      return False","  return True"])+"("+b+")",Blockly.Python.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Python.valueToCode(a,"DIVISOR",Blockly.Python.ORDER_MULTIPLICATIVE);if(!a||"0"==a)return["False",Blockly.Python.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Python.ORDER_RELATIONAL]};
 Blockly.Python.math_change=function(a){Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";var b=Blockly.Python.valueToCode(a,"DELTA",Blockly.Python.ORDER_ADDITIVE)||"0";a=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE);return a+" = ("+a+" if isinstance("+a+", Number) else 0) + "+b+"\n"};Blockly.Python.math_round=Blockly.Python.math_single;Blockly.Python.math_trig=Blockly.Python.math_single;
 Blockly.Python.math_on_list=function(a){var b=a.getFieldValue("OP");a=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]";switch(b){case "SUM":b="sum("+a+")";break;case "MIN":b="min("+a+")";break;case "MAX":b="max("+a+")";break;case "AVERAGE":Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";b=Blockly.Python.provideFunction_("math_mean",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  localList = [e for e in myList if isinstance(e, Number)]",
 "  if not localList: return","  return float(sum(localList)) / len(localList)"]);b=b+"("+a+")";break;case "MEDIAN":Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";b=Blockly.Python.provideFunction_("math_median",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  localList = sorted([e for e in myList if isinstance(e, Number)])","  if not localList: return","  if len(localList) % 2 == 0:","    return (localList[len(localList) // 2 - 1] + localList[len(localList) // 2]) / 2.0",
@@ -61,19 +61,19 @@ Blockly.Python.text_length=function(a){return["len("+(Blockly.Python.valueToCode
 Blockly.Python.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"find":"rfind",c=Blockly.Python.valueToCode(a,"FIND",Blockly.Python.ORDER_NONE)||"''",b=(Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_MEMBER)||"''")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.Python.ORDER_ADDITIVE]:[b,Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_MEMBER)||"''";switch(b){case "FIRST":return[c+"[0]",Blockly.Python.ORDER_MEMBER];case "LAST":return[c+"[-1]",Blockly.Python.ORDER_MEMBER];case "FROM_START":return a=Blockly.Python.getAdjustedInt(a,"AT"),[c+"["+a+"]",Blockly.Python.ORDER_MEMBER];case "FROM_END":return a=Blockly.Python.getAdjustedInt(a,"AT",1,!0),[c+"["+a+"]",Blockly.Python.ORDER_MEMBER];case "RANDOM":return Blockly.Python.definitions_.import_random=
 "import random",[Blockly.Python.provideFunction_("text_random_letter",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(text):","  x = int(random.random() * len(text))","  return text[x];"])+"("+c+")",Blockly.Python.ORDER_FUNCTION_CALL]}throw"Unhandled option (text_charAt).";};
-Blockly.Python.text_getSubstring=function(a){var b=a.getFieldValue("WHERE1"),c=a.getFieldValue("WHERE2"),d=Blockly.Python.valueToCode(a,"STRING",Blockly.Python.ORDER_MEMBER)||"''";switch(b){case "FROM_START":b=Blockly.Python.getAdjustedInt(a,"AT1");"0"==b&&(b="");break;case "FROM_END":b=Blockly.Python.getAdjustedInt(a,"AT1",1,!0);break;case "FIRST":b="";break;default:throw"Unhandled option (text_getSubstring)";}switch(c){case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT2",1);break;case "FROM_END":a=
+Blockly.Python.text_getSubstring=function(a){var b=a.getFieldValue("WHERE1");var c=a.getFieldValue("WHERE2"),d=Blockly.Python.valueToCode(a,"STRING",Blockly.Python.ORDER_MEMBER)||"''";switch(b){case "FROM_START":b=Blockly.Python.getAdjustedInt(a,"AT1");"0"==b&&(b="");break;case "FROM_END":b=Blockly.Python.getAdjustedInt(a,"AT1",1,!0);break;case "FIRST":b="";break;default:throw"Unhandled option (text_getSubstring)";}switch(c){case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT2",1);break;case "FROM_END":a=
 Blockly.Python.getAdjustedInt(a,"AT2",0,!0);Blockly.isNumber(String(a))?"0"==a&&(a=""):(Blockly.Python.definitions_.import_sys="import sys",a+=" or sys.maxsize");break;case "LAST":a="";break;default:throw"Unhandled option (text_getSubstring)";}return[d+"["+b+" : "+a+"]",Blockly.Python.ORDER_MEMBER]};
 Blockly.Python.text_changeCase=function(a){var b={UPPERCASE:".upper()",LOWERCASE:".lower()",TITLECASE:".title()"}[a.getFieldValue("CASE")];return[(Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''")+b,Blockly.Python.ORDER_FUNCTION_CALL]};Blockly.Python.text_trim=function(a){var b={LEFT:".lstrip()",RIGHT:".rstrip()",BOTH:".strip()"}[a.getFieldValue("MODE")];return[(Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''")+b,Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.text_print=function(a){return"print("+(Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_NONE)||"''")+")\n"};
-Blockly.Python.text_prompt_ext=function(a){var b=Blockly.Python.provideFunction_("text_prompt",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(msg):","  try:","    return raw_input(msg)","  except NameError:","    return input(msg)"]),c=a.getField("TEXT")?Blockly.Python.quote_(a.getFieldValue("TEXT")):Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_NONE)||"''",b=b+"("+c+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="float("+b+")");return[b,Blockly.Python.ORDER_FUNCTION_CALL]};
+Blockly.Python.text_prompt_ext=function(a){var b=Blockly.Python.provideFunction_("text_prompt",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(msg):","  try:","    return raw_input(msg)","  except NameError:","    return input(msg)"]);var c=a.getField("TEXT")?Blockly.Python.quote_(a.getFieldValue("TEXT")):Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_NONE)||"''";c=b+"("+c+")";"NUMBER"==a.getFieldValue("TYPE")&&(c="float("+c+")");return[c,Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.text_prompt=Blockly.Python.text_prompt_ext;Blockly.Python.text_count=function(a){var b=Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''";a=Blockly.Python.valueToCode(a,"SUB",Blockly.Python.ORDER_NONE)||"''";return[b+".count("+a+")",Blockly.Python.ORDER_MEMBER]};
-Blockly.Python.text_replace=function(a){var b=Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''",c=Blockly.Python.valueToCode(a,"FROM",Blockly.Python.ORDER_NONE)||"''";a=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"''";return[b+".replace("+c+", "+a+")",Blockly.Python.ORDER_MEMBER]};Blockly.Python.text_reverse=function(a){return[(Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''")+"[::-1]",Blockly.Python.ORDER_MEMBER]};Blockly.Python.loops={};Blockly.Python.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(parseInt(a.getFieldValue("TIMES"),10)):Blockly.Python.valueToCode(a,"TIMES",Blockly.Python.ORDER_NONE)||"0",b=Blockly.isNumber(b)?parseInt(b,10):"int("+b+")",c=Blockly.Python.statementToCode(a,"DO"),c=Blockly.Python.addLoopTrap(c,a.id)||Blockly.Python.PASS;return"for "+Blockly.Python.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE)+" in range("+b+"):\n"+c};
+Blockly.Python.text_replace=function(a){var b=Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''",c=Blockly.Python.valueToCode(a,"FROM",Blockly.Python.ORDER_NONE)||"''";a=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"''";return[b+".replace("+c+", "+a+")",Blockly.Python.ORDER_MEMBER]};Blockly.Python.text_reverse=function(a){return[(Blockly.Python.valueToCode(a,"TEXT",Blockly.Python.ORDER_MEMBER)||"''")+"[::-1]",Blockly.Python.ORDER_MEMBER]};Blockly.Python.loops={};Blockly.Python.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(parseInt(a.getFieldValue("TIMES"),10)):Blockly.Python.valueToCode(a,"TIMES",Blockly.Python.ORDER_NONE)||"0";b=Blockly.isNumber(b)?parseInt(b,10):"int("+b+")";var c=Blockly.Python.statementToCode(a,"DO"),c=Blockly.Python.addLoopTrap(c,a.id)||Blockly.Python.PASS;return"for "+Blockly.Python.variableDB_.getDistinctName("count",Blockly.Variables.NAME_TYPE)+" in range("+b+"):\n"+c};
 Blockly.Python.controls_repeat=Blockly.Python.controls_repeat_ext;Blockly.Python.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Python.valueToCode(a,"BOOL",b?Blockly.Python.ORDER_LOGICAL_NOT:Blockly.Python.ORDER_NONE)||"False",d=Blockly.Python.statementToCode(a,"DO"),d=Blockly.Python.addLoopTrap(d,a.id)||Blockly.Python.PASS;b&&(c="not "+c);return"while "+c+":\n"+d};
 Blockly.Python.controls_for=function(a){var b=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Python.valueToCode(a,"FROM",Blockly.Python.ORDER_NONE)||"0",d=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"0",e=Blockly.Python.valueToCode(a,"BY",Blockly.Python.ORDER_NONE)||"1",f=Blockly.Python.statementToCode(a,"DO"),f=Blockly.Python.addLoopTrap(f,a.id)||Blockly.Python.PASS,g="",h=function(){return Blockly.Python.provideFunction_("upRange",
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 Blockly.isNumber(e))c=parseFloat(c),d=parseFloat(d),e=Math.abs(parseFloat(e)),0===c%1&&0===d%1&&0===e%1?(c<=d?(d++,a=0==c&&1==e?d:c+", "+d,1!=e&&(a+=", "+e)):(d--,a=c+", "+d+", -"+e),a="range("+a+")"):(a=c<d?h():k(),a+="("+c+", "+d+", "+e+")");else{var l=function(a,c){if(Blockly.isNumber(a))a=parseFloat(a);else if(a.match(/^\w+$/))a="float("+a+")";else{var d=Blockly.Python.variableDB_.getDistinctName(b+c,Blockly.Variables.NAME_TYPE);g+=d+" = float("+a+")\n";a=d}return a},c=l(c,"_start"),d=l(d,"_end");
 l(e,"_inc");a="number"==typeof c&&"number"==typeof d?c<d?h(c,d,e):k(c,d,e):a(c,d,e)}return g+="for "+b+" in "+a+":\n"+f};Blockly.Python.controls_forEach=function(a){var b=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.Variables.NAME_TYPE),c=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_RELATIONAL)||"[]",d=Blockly.Python.statementToCode(a,"DO"),d=Blockly.Python.addLoopTrap(d,a.id)||Blockly.Python.PASS;return"for "+b+" in "+c+":\n"+d};
-Blockly.Python.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break\n";case "CONTINUE":return"continue\n"}throw"Unknown flow statement.";};Blockly.Python.logic={};Blockly.Python.controls_if=function(a){var b=0,c="",d,e;do e=Blockly.Python.valueToCode(a,"IF"+b,Blockly.Python.ORDER_NONE)||"False",d=Blockly.Python.statementToCode(a,"DO"+b)||Blockly.Python.PASS,c+=(0==b?"if ":"elif ")+e+":\n"+d,++b;while(a.getInput("IF"+b));a.getInput("ELSE")&&(d=Blockly.Python.statementToCode(a,"ELSE")||Blockly.Python.PASS,c+="else:\n"+d);return c};Blockly.Python.controls_ifelse=Blockly.Python.controls_if;
+Blockly.Python.controls_flow_statements=function(a){switch(a.getFieldValue("FLOW")){case "BREAK":return"break\n";case "CONTINUE":return"continue\n"}throw"Unknown flow statement.";};Blockly.Python.logic={};Blockly.Python.controls_if=function(a){var b=0,c="";do{var d=Blockly.Python.valueToCode(a,"IF"+b,Blockly.Python.ORDER_NONE)||"False";var e=Blockly.Python.statementToCode(a,"DO"+b)||Blockly.Python.PASS;c+=(0==b?"if ":"elif ")+d+":\n"+e;++b}while(a.getInput("IF"+b));a.getInput("ELSE")&&(e=Blockly.Python.statementToCode(a,"ELSE")||Blockly.Python.PASS,c+="else:\n"+e);return c};Blockly.Python.controls_ifelse=Blockly.Python.controls_if;
 Blockly.Python.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c=Blockly.Python.ORDER_RELATIONAL,d=Blockly.Python.valueToCode(a,"A",c)||"0";a=Blockly.Python.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
 Blockly.Python.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"and":"or",c="and"==b?Blockly.Python.ORDER_LOGICAL_AND:Blockly.Python.ORDER_LOGICAL_OR,d=Blockly.Python.valueToCode(a,"A",c);a=Blockly.Python.valueToCode(a,"B",c);if(d||a){var e="and"==b?"True":"False";d||(d=e);a||(a=e)}else a=d="False";return[d+" "+b+" "+a,c]};Blockly.Python.logic_negate=function(a){return["not "+(Blockly.Python.valueToCode(a,"BOOL",Blockly.Python.ORDER_LOGICAL_NOT)||"True"),Blockly.Python.ORDER_LOGICAL_NOT]};
 Blockly.Python.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"True":"False",Blockly.Python.ORDER_ATOMIC]};Blockly.Python.logic_null=function(a){return["None",Blockly.Python.ORDER_ATOMIC]};