From fa279b91cec68abcc1301bd41aa241cb0de23989 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Wed, 2 Dec 2015 22:10:09 -0800
Subject: [PATCH] Add option to delete all blocks on workspace.

---
 blockly_compressed.js       | 63 +++++++++++++++++++------------------
 core/block_svg.js           | 24 +++++++-------
 core/workspace_svg.js       | 45 ++++++++++++++++++++++++--
 demos/code/code.js          |  2 +-
 demos/code/msg/ar.js        |  1 -
 demos/code/msg/be-tarask.js |  1 -
 demos/code/msg/br.js        |  1 -
 demos/code/msg/ca.js        |  1 -
 demos/code/msg/cs.js        |  1 -
 demos/code/msg/da.js        |  1 -
 demos/code/msg/de.js        |  1 -
 demos/code/msg/el.js        |  1 -
 demos/code/msg/en.js        |  1 -
 demos/code/msg/es.js        |  1 -
 demos/code/msg/fa.js        |  1 -
 demos/code/msg/fr.js        |  1 -
 demos/code/msg/he.js        |  1 -
 demos/code/msg/hrx.js       |  1 -
 demos/code/msg/hu.js        |  1 -
 demos/code/msg/ia.js        |  1 -
 demos/code/msg/is.js        |  1 -
 demos/code/msg/it.js        |  1 -
 demos/code/msg/ja.js        |  1 -
 demos/code/msg/ko.js        |  1 -
 demos/code/msg/mk.js        |  1 -
 demos/code/msg/ms.js        |  3 +-
 demos/code/msg/nb.js        |  1 -
 demos/code/msg/nl.js        |  1 -
 demos/code/msg/oc.js        |  1 -
 demos/code/msg/pl.js        |  1 -
 demos/code/msg/pms.js       |  1 -
 demos/code/msg/pt-br.js     |  1 -
 demos/code/msg/ro.js        |  1 -
 demos/code/msg/ru.js        |  1 -
 demos/code/msg/sc.js        |  1 -
 demos/code/msg/sk.js        |  1 -
 demos/code/msg/sr.js        |  1 -
 demos/code/msg/sv.js        |  1 -
 demos/code/msg/ta.js        |  1 -
 demos/code/msg/th.js        |  1 -
 demos/code/msg/tlh.js       |  1 -
 demos/code/msg/tr.js        |  1 -
 demos/code/msg/uk.js        |  1 -
 demos/code/msg/vi.js        |  1 -
 demos/code/msg/zh-hans.js   |  1 -
 demos/code/msg/zh-hant.js   |  1 -
 msg/js/ar.js                |  1 +
 msg/js/az.js                |  1 +
 msg/js/bcc.js               |  1 +
 msg/js/be-tarask.js         |  1 +
 msg/js/bg.js                |  1 +
 msg/js/bn.js                |  1 +
 msg/js/br.js                |  1 +
 msg/js/ca.js                |  1 +
 msg/js/cs.js                |  1 +
 msg/js/da.js                |  1 +
 msg/js/de.js                |  1 +
 msg/js/el.js                |  1 +
 msg/js/en.js                |  1 +
 msg/js/es.js                |  1 +
 msg/js/fa.js                |  1 +
 msg/js/fi.js                |  1 +
 msg/js/fr.js                |  1 +
 msg/js/he.js                |  1 +
 msg/js/hi.js                |  1 +
 msg/js/hrx.js               |  1 +
 msg/js/hu.js                |  1 +
 msg/js/ia.js                |  1 +
 msg/js/id.js                |  1 +
 msg/js/is.js                |  1 +
 msg/js/it.js                |  1 +
 msg/js/ja.js                |  1 +
 msg/js/ko.js                |  1 +
 msg/js/lb.js                |  1 +
 msg/js/lrc.js               |  1 +
 msg/js/lt.js                |  1 +
 msg/js/mk.js                |  1 +
 msg/js/ms.js                |  1 +
 msg/js/nb.js                |  3 +-
 msg/js/nl.js                |  1 +
 msg/js/oc.js                |  1 +
 msg/js/pl.js                |  1 +
 msg/js/pms.js               |  1 +
 msg/js/pt-br.js             |  1 +
 msg/js/pt.js                |  1 +
 msg/js/ro.js                |  1 +
 msg/js/ru.js                |  1 +
 msg/js/sc.js                |  1 +
 msg/js/shn.js               |  1 +
 msg/js/sk.js                |  1 +
 msg/js/sq.js                |  1 +
 msg/js/sr.js                |  1 +
 msg/js/sv.js                |  1 +
 msg/js/ta.js                |  1 +
 msg/js/tcy.js               |  1 +
 msg/js/th.js                |  1 +
 msg/js/tl.js                |  1 +
 msg/js/tlh.js               |  1 +
 msg/js/tr.js                |  1 +
 msg/js/uk.js                |  1 +
 msg/js/vi.js                |  1 +
 msg/js/zh-hans.js           |  1 +
 msg/js/zh-hant.js           |  1 +
 msg/json/ar.json            |  1 +
 msg/json/be-tarask.json     |  1 +
 msg/json/br.json            |  1 +
 msg/json/ca.json            |  1 +
 msg/json/cs.json            |  1 +
 msg/json/da.json            |  1 +
 msg/json/de.json            |  1 +
 msg/json/el.json            |  1 +
 msg/json/en.json            |  3 +-
 msg/json/es.json            |  1 +
 msg/json/fa.json            |  1 +
 msg/json/fr.json            |  1 +
 msg/json/he.json            |  1 +
 msg/json/hrx.json           |  1 +
 msg/json/hu.json            |  1 +
 msg/json/ia.json            |  1 +
 msg/json/is.json            |  1 +
 msg/json/it.json            |  1 +
 msg/json/ja.json            |  1 +
 msg/json/ko.json            |  1 +
 msg/json/mk.json            |  1 +
 msg/json/ms.json            |  1 +
 msg/json/nb.json            |  3 +-
 msg/json/nl.json            |  1 +
 msg/json/oc.json            |  1 +
 msg/json/pl.json            |  1 +
 msg/json/pms.json           |  1 +
 msg/json/pt-br.json         |  1 +
 msg/json/qqq.json           |  8 +----
 msg/json/ro.json            |  1 +
 msg/json/ru.json            |  1 +
 msg/json/sc.json            |  1 +
 msg/json/sk.json            |  1 +
 msg/json/sr.json            |  1 +
 msg/json/sv.json            |  1 +
 msg/json/ta.json            |  1 +
 msg/json/th.json            |  1 +
 msg/json/tlh.json           |  1 +
 msg/json/tr.json            |  1 +
 msg/json/uk.json            |  1 +
 msg/json/vi.json            |  1 +
 msg/json/zh-hans.json       |  1 +
 msg/json/zh-hant.json       |  1 +
 msg/messages.js             |  2 ++
 147 files changed, 194 insertions(+), 99 deletions(-)

diff --git a/blockly_compressed.js b/blockly_compressed.js
index ce9480345..89d445b27 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -58,8 +58,8 @@ goog.string.escapeChar=function(a){if(a in goog.string.jsEscapeCache_)return goo
 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){var c=new RegExp(goog.string.regExpEscape(b),"");return a.replace(c,"")};
 goog.string.removeAll=function(a,b){var c=new RegExp(goog.string.regExpEscape(b),"g");return a.replace(c,"")};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]||"",l=RegExp("(\\d*)(\\D*)","g"),q=RegExp("(\\d*)(\\D*)","g");do{var m=l.exec(h)||["","",""],p=q.exec(k)||["","",""];if(0==m[0].length&&0==p[0].length)break;var c=0==m[1].length?0:parseInt(m[1],10),n=0==p[1].length?0:parseInt(p[1],10),c=goog.string.compareElements_(c,n)||goog.string.compareElements_(0==
-m[2].length,0==p[2].length)||goog.string.compareElements_(m[2],p[2])}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.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]||"",l=RegExp("(\\d*)(\\D*)","g"),p=RegExp("(\\d*)(\\D*)","g");do{var m=l.exec(h)||["","",""],q=p.exec(k)||["","",""];if(0==m[0].length&&0==q[0].length)break;var c=0==m[1].length?0:parseInt(m[1],10),n=0==q[1].length?0:parseInt(q[1],10),c=goog.string.compareElements_(c,n)||goog.string.compareElements_(0==
+m[2].length,0==q[2].length)||goog.string.compareElements_(m[2],q[2])}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.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]+(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;
@@ -511,7 +511,7 @@ goog.ui.ControlRenderer.TOGGLE_ARIA_STATE_MAP_=goog.object.create(goog.a11y.aria
 goog.a11y.aria.State.SELECTED);goog.ui.ControlRenderer.prototype.getAriaRole=function(){};goog.ui.ControlRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom(goog.dom.TagName.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,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 q=a.getExtraClassNames();q&&l.push.apply(l,q);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&&!q&&!k||goog.dom.classlist.set(b,l.join(" "));return b};
+(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 p=a.getExtraClassNames();p&&l.push.apply(l,p);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&&!p&&!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)};
@@ -865,8 +865,8 @@ this.anchorX_:c.viewLeft+c.viewWidth<this.anchorX_+a+this.width_+Blockly.BlockSv
 Blockly.Bubble.prototype.positionBubble_=function(){this.bubbleGroup_.setAttribute("transform","translate("+(this.workspace_.RTL?this.anchorX_-this.relativeLeft_-this.width_:this.anchorX_+this.relativeLeft_)+","+(this.relativeTop_+this.anchorY_)+")")};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_());Blockly.fireUiEvent(this.bubbleGroup_,"resize")};
-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),q=this.getBubbleSize(),h=(q.width+q.height)/Blockly.Bubble.ARROW_THICKNESS,h=Math.min(h,q.width,q.height)/2,q=1-Blockly.Bubble.ANCHOR_RADIUS/f,d=b+
-q*d,e=c+q*e,q=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"+q+","+m);a.push("C"+(q+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.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),p=this.getBubbleSize(),h=(p.width+p.height)/Blockly.Bubble.ARROW_THICKNESS,h=Math.min(h,p.width,p.height)/2,p=1-Blockly.Bubble.ANCHOR_RADIUS/f,d=b+
+p*d,e=c+p*e,p=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"+p+","+m);a.push("C"+(p+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.png_="";Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconX_=0;Blockly.Icon.prototype.iconY_=0;
 Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.createSvgElement("g",{"class":"blocklyIconGroup"},null),Blockly.createSvgElement("image",{width:this.SIZE,height:this.SIZE},this.iconGroup_).setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",this.png_),this.block_.getSvgRoot().appendChild(this.iconGroup_),Blockly.bindEvent_(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(){this.block_.isInFlyout||!this.block_.isEditable()?Blockly.addClass_(this.iconGroup_,"blocklyIconGroupReadonly"):Blockly.removeClass_(this.iconGroup_,"blocklyIconGroupReadonly")};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};
@@ -895,8 +895,8 @@ Blockly.Connection.prototype.moveTo=function(a,b){this.inDB_&&this.db_.removeCon
 Blockly.Connection.prototype.highlight=function(){var a;this.type==Blockly.INPUT_VALUE||this.type==Blockly.OUTPUT_VALUE?(a=this.sourceBlock_.RTL?-Blockly.BlockSvg.TAB_WIDTH:Blockly.BlockSvg.TAB_WIDTH,a="m 0,0 v 5 c 0,10 "+-a+",-8 "+-a+",7.5 s "+a+",-2.5 "+a+",7.5 v 5"):a=this.sourceBlock_.RTL?"m 20,0 h -5 "+Blockly.BlockSvg.NOTCH_PATH_RIGHT+" h -5":"m -20,0 h 5 "+Blockly.BlockSvg.NOTCH_PATH_LEFT+" h 5";var b=this.sourceBlock_.getRelativeToSurfaceXY();Blockly.Connection.highlightedPath_=Blockly.createSvgElement("path",
 {"class":"blocklyHighlightedConnectionPath",d:a,transform:"translate("+(this.x_-b.x)+","+(this.y_-b.y)+")"},this.sourceBlock_.getSvgRoot())};Blockly.Connection.prototype.unhighlight=function(){goog.dom.removeNode(Blockly.Connection.highlightedPath_);delete Blockly.Connection.highlightedPath_};
 Blockly.Connection.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.getRelativeXY_(d);c.getSvgRoot().setAttribute("transform","translate("+(d.x-a)+","+(d.y-b)+")");c.moveConnections_(-a,-b)}};
-Blockly.Connection.prototype.closest=function(a,b,c){function d(b){b=e[b];if((b.type==Blockly.OUTPUT_VALUE||b.type==Blockly.PREVIOUS_STATEMENT)&&b.targetConnection||b.type==Blockly.INPUT_VALUE&&b.targetConnection&&!b.targetBlock().isMovable()&&!b.targetBlock().isShadow()||!q.checkType_(b))return!0;var c=b.sourceBlock_;do{if(l==c)return!0;c=c.getParent()}while(c);var d=f-b.x_,c=g-b.y_,d=Math.sqrt(d*d+c*c);d<=a&&(k=b,a=d);return Math.abs(c)<a}if(this.targetConnection)return{connection:null,radius:a};
-var e=this.dbOpposite_,f=this.x_+b,g=this.y_+c;b=0;for(var h=c=e.length-2;b<h;)e[h].y_<g?b=h:c=h,h=Math.floor((b+c)/2);c=b=h;var k=null,l=this.sourceBlock_,q=this;if(e.length){for(;0<=b&&d(b);)b--;do c++;while(c<e.length&&d(c))}return{connection:k,radius:a}};
+Blockly.Connection.prototype.closest=function(a,b,c){function d(b){b=e[b];if((b.type==Blockly.OUTPUT_VALUE||b.type==Blockly.PREVIOUS_STATEMENT)&&b.targetConnection||b.type==Blockly.INPUT_VALUE&&b.targetConnection&&!b.targetBlock().isMovable()&&!b.targetBlock().isShadow()||!p.checkType_(b))return!0;var c=b.sourceBlock_;do{if(l==c)return!0;c=c.getParent()}while(c);var d=f-b.x_,c=g-b.y_,d=Math.sqrt(d*d+c*c);d<=a&&(k=b,a=d);return Math.abs(c)<a}if(this.targetConnection)return{connection:null,radius:a};
+var e=this.dbOpposite_,f=this.x_+b,g=this.y_+c;b=0;for(var h=c=e.length-2;b<h;)e[h].y_<g?b=h:c=h,h=Math.floor((b+c)/2);c=b=h;var k=null,l=this.sourceBlock_,p=this;if(e.length){for(;0<=b&&d(b);)b--;do c++;while(c<e.length&&d(c))}return{connection:k,radius:a}};
 Blockly.Connection.prototype.checkType_=function(a){var b=this.targetBlock();if(b&&!b.isMovable()&&!this.sourceBlock_.isMovable()||(b=a.targetBlock())&&!b.isMovable()&&!a.sourceBlock_.isMovable())return!1;if(!this.check_||!a.check_)return!0;for(b=0;b<this.check_.length;b++)if(-1!=a.check_.indexOf(this.check_[b]))return!0;return!1};
 Blockly.Connection.prototype.setCheck=function(a){a?(goog.isArray(a)||(a=[a]),this.check_=a,this.targetConnection&&!this.checkType_(this.targetConnection)&&(this.isSuperior()?this.targetBlock().setParent(null):this.sourceBlock_.setParent(null),this.sourceBlock_.bumpNeighbours_())):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(a){function b(b){var f=d-c[b].x_,g=e-c[b].y_;Math.sqrt(f*f+g*g)<=a&&k.push(c[b]);return g<a}for(var c=this.dbOpposite_,d=this.x_,e=this.y_,f=0,g=c.length-2,h=g;f<h;)c[h].y_<e?f=h:g=h,h=Math.floor((f+g)/2);var g=f=h,k=[];if(c.length){for(;0<=f&&b(f);)f--;do g++;while(g<c.length&&b(g))}return k};Blockly.Connection.prototype.setHidden=function(a){(this.hidden_=a)&&this.inDB_?this.db_.removeConnection_(this):a||this.inDB_||this.db_.addConnection_(this)};
@@ -974,8 +974,8 @@ Blockly.Xml.domToPrettyText=function(a){a=Blockly.Xml.domToText(a).split("<");fo
 Blockly.Xml.textToDom=function(a){a=(new DOMParser).parseFromString(a,"text/xml");if(!a||!a.firstChild||"xml"!=a.firstChild.nodeName.toLowerCase()||a.firstChild!==a.lastChild)throw"Blockly.Xml.textToDom did not obtain a valid XML tree.";return a.firstChild};
 Blockly.Xml.domToWorkspace=function(a,b){var c;a.RTL&&(c=a.getWidth());Blockly.Field.startCache();for(var d=b.childNodes.length,e=0;e<d;e++){var f=b.childNodes[e],g=f.nodeName.toLowerCase();if("block"==g||"shadow"==g){var g=Blockly.Xml.domToBlock(a,f),h=parseInt(f.getAttribute("x"),10),f=parseInt(f.getAttribute("y"),10);isNaN(h)||isNaN(f)||g.moveBy(a.RTL?c-h:h,f)}}Blockly.Field.stopCache()};
 Blockly.Xml.domToBlock=function(a,b,c){var d=Blockly.Xml.domToBlockHeadless_(a,b,c);if(a.rendered){d.setConnectionsHidden(!0);a=d.getDescendants();for(b=a.length-1;0<=b;b--)a[b].initSvg();for(b=a.length-1;0<=b;b--)a[b].render(!1);setTimeout(function(){d.workspace&&d.setConnectionsHidden(!1)},1);d.updateDisabled();Blockly.fireUiEvent(window,"resize")}return d};
-Blockly.Xml.domToBlockHeadless_=function(a,b,c){var d=null,e=b.getAttribute("type");if(!e)throw"Block type unspecified: \n"+b.outerHTML;var f=b.getAttribute("id");if(c&&f){d=Blockly.Block.getById(f,a);if(!d)throw"Couldn't get Block with id: "+f;f=d.getParent();d.workspace&&d.dispose(!0,!1,!0);d.fill(a,e);d.parent_=f}else d=Blockly.Block.obtain(a,e);for(var g=null,f=0,h;h=b.childNodes[f];f++)if(3!=h.nodeType){for(var k=g=null,l=0,q;q=h.childNodes[l];l++)1==q.nodeType&&("block"==q.nodeName.toLowerCase()?
-g=q:"shadow"==q.nodeName.toLowerCase()&&(k=q));!g&&k&&(g=k);l=h.getAttribute("name");switch(h.nodeName.toLowerCase()){case "mutation":d.domToMutation&&(d.domToMutation(h),d.initSvg&&d.initSvg());break;case "comment":d.setCommentText(h.textContent);var m=h.getAttribute("pinned");m&&setTimeout(function(){d.comment&&d.comment.setVisible&&d.comment.setVisible("true"==m)},1);g=parseInt(h.getAttribute("w"),10);h=parseInt(h.getAttribute("h"),10);!isNaN(g)&&!isNaN(h)&&d.comment&&d.comment.setVisible&&d.comment.setBubbleSize(g,
+Blockly.Xml.domToBlockHeadless_=function(a,b,c){var d=null,e=b.getAttribute("type");if(!e)throw"Block type unspecified: \n"+b.outerHTML;var f=b.getAttribute("id");if(c&&f){d=Blockly.Block.getById(f,a);if(!d)throw"Couldn't get Block with id: "+f;f=d.getParent();d.workspace&&d.dispose(!0,!1,!0);d.fill(a,e);d.parent_=f}else d=Blockly.Block.obtain(a,e);for(var g=null,f=0,h;h=b.childNodes[f];f++)if(3!=h.nodeType){for(var k=g=null,l=0,p;p=h.childNodes[l];l++)1==p.nodeType&&("block"==p.nodeName.toLowerCase()?
+g=p:"shadow"==p.nodeName.toLowerCase()&&(k=p));!g&&k&&(g=k);l=h.getAttribute("name");switch(h.nodeName.toLowerCase()){case "mutation":d.domToMutation&&(d.domToMutation(h),d.initSvg&&d.initSvg());break;case "comment":d.setCommentText(h.textContent);var m=h.getAttribute("pinned");m&&setTimeout(function(){d.comment&&d.comment.setVisible&&d.comment.setVisible("true"==m)},1);g=parseInt(h.getAttribute("w"),10);h=parseInt(h.getAttribute("h"),10);!isNaN(g)&&!isNaN(h)&&d.comment&&d.comment.setVisible&&d.comment.setBubbleSize(g,
 h);break;case "data":d.data=h.textContent;break;case "title":case "field":g=d.getField(l);if(!g){console.warn("Ignoring non-existent field "+l+" in block "+e);break}g.setValue(h.textContent);break;case "value":case "statement":h=d.getInput(l);if(!h){console.warn("Ignoring non-existent input "+l+" in block "+e);break}k&&h.connection.setShadowDom(k);if(g)if(g=Blockly.Xml.domToBlockHeadless_(a,g,c),g.outputConnection)h.connection.connect(g.outputConnection);else if(g.previousConnection)h.connection.connect(g.previousConnection);
 else throw"Child block does not have output or previous statement.";break;case "next":k&&d.nextConnection&&d.nextConnection.setShadowDom(k);if(g){if(!d.nextConnection)throw"Next statement does not exist.";if(d.nextConnection.targetConnection)throw"Next statement is already connected.";g=Blockly.Xml.domToBlockHeadless_(a,g,c);if(!g.previousConnection)throw"Next block does not have previous statement.";d.nextConnection.connect(g.previousConnection)}break;default:console.warn("Ignoring unknown tag: "+
 h.nodeName)}}(a=b.getAttribute("inline"))&&d.setInputsInline("true"==a);(a=b.getAttribute("disabled"))&&d.setDisabled("true"==a);(a=b.getAttribute("deletable"))&&d.setDeletable("true"==a);(a=b.getAttribute("movable"))&&d.setMovable("true"==a);(a=b.getAttribute("editable"))&&d.setEditable("true"==a);(a=b.getAttribute("collapsed"))&&d.setCollapsed("true"==a);"shadow"==b.nodeName.toLowerCase()&&d.setShadow(!0);d.validate&&d.validate();return d};
@@ -1002,8 +1002,9 @@ Blockly.WorkspaceSvg.prototype.onMouseDown_=function(a){this.markFocused();Block
 a.clientY,this.startDragMetrics=this.getMetrics(),this.startScrollX=this.scrollX,this.startScrollY=this.scrollY,"mouseup"in Blockly.bindEvent_.TOUCH_MAP&&(Blockly.onTouchUpWrapper_=Blockly.bindEvent_(document,"mouseup",null,Blockly.onMouseUp_)),Blockly.onMouseMoveWrapper_=Blockly.bindEvent_(document,"mousemove",null,Blockly.onMouseMove_)),a.stopPropagation())};
 Blockly.WorkspaceSvg.prototype.startDrag=function(a,b,c){a=Blockly.mouseToSvg(a,this.options.svg);a.x/=this.scale;a.y/=this.scale;this.dragDeltaX_=b-a.x;this.dragDeltaY_=c-a.y};Blockly.WorkspaceSvg.prototype.moveDrag=function(a){a=Blockly.mouseToSvg(a,this.options.svg);a.x/=this.scale;a.y/=this.scale;return new goog.math.Coordinate(this.dragDeltaX_+a.x,this.dragDeltaY_+a.y)};
 Blockly.WorkspaceSvg.prototype.onMouseWheel_=function(a){Blockly.terminateDrag_();var b=0<a.deltaY?-1:1,c=Blockly.mouseToSvg(a,this.options.svg);this.zoom(c.x,c.y,b);a.preventDefault()};Blockly.WorkspaceSvg.prototype.cleanUp_=function(){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.fireUiEvent(window,"resize");this.fireChangeEvent()};
-Blockly.WorkspaceSvg.prototype.showContextMenu_=function(a){if(!this.options.readOnly){var b=[],c=this.getTopBlocks(!0),d={};d.text=Blockly.Msg.CLEAN_UP;d.enabled=1<c.length;d.callback=this.cleanUp_.bind(this);b.push(d);if(this.options.collapse){for(var e=d=!1,f=0;f<c.length;f++)for(var g=c[f];g;)g.isCollapsed()?d=!0:e=!0,g=g.getNextBlock();var h=function(a){for(var b=0,d=0;d<c.length;d++)for(var e=c[d];e;)setTimeout(e.setCollapsed.bind(e,a),b),e=e.getNextBlock(),b+=10},e={enabled:e};e.text=Blockly.Msg.COLLAPSE_ALL;
-e.callback=function(){h(!0)};b.push(e);d={enabled:d};d.text=Blockly.Msg.EXPAND_ALL;d.callback=function(){h(!1)};b.push(d)}Blockly.ContextMenu.show(a,b,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.showContextMenu_=function(a){function b(a){if(a.isDeletable())p=p.concat(a.getDescendants());else{a=a.getChildren();for(var c=0;c<a.length;c++)b(a[c])}}function c(){var a=p.shift();a&&(a.workspace?(a.dispose(!1,!0),setTimeout(c,10)):c())}if(!this.options.readOnly){var d=[],e=this.getTopBlocks(!0),f={};f.text=Blockly.Msg.CLEAN_UP;f.enabled=1<e.length;f.callback=this.cleanUp_.bind(this);d.push(f);if(this.options.collapse){for(var g=f=!1,h=0;h<e.length;h++)for(var k=e[h];k;)k.isCollapsed()?
+f=!0:g=!0,k=k.getNextBlock();var l=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},g={enabled:g};g.text=Blockly.Msg.COLLAPSE_ALL;g.callback=function(){l(!0)};d.push(g);f={enabled:f};f.text=Blockly.Msg.EXPAND_ALL;f.callback=function(){l(!1)};d.push(f)}for(var p=[],h=0;h<e.length;h++)b(e[h]);f={text:1>=p.length?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(p.length)),enabled:0<p.length,callback:function(){(2>
+p.length||window.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1",String(p.length))))&&c()}};d.push(f);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];c?(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()):this.options.parentWorkspace&&this.options.parentWorkspace.playAudio(a,b)};
 Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.parseToolboxTree_(a)){if(!this.options.languageTree)throw"Existing toolbox is null.  Can't create new toolbox.";if(this.options.hasCategories){if(!this.toolbox_)throw"Existing toolbox has no categories.  Can't change mode.";this.options.languageTree=a;this.toolbox_.populate_(a);this.toolbox_.addColour_()}else{if(!this.flyout_)throw"Existing toolbox has categories.  Can't change mode.";this.options.languageTree=a;this.flyout_.show(a.childNodes)}}else if(this.options.languageTree)throw"Can't nullify an existing toolbox.";
@@ -1089,7 +1090,7 @@ 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(){b.dispose(!0,!0)}};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){a?this.addDragging():this.removeDragging();for(var b=0;b<this.childBlocks_.length;b++)this.childBlocks_[b].setDragging_(a)};
 Blockly.BlockSvg.prototype.onMouseMove_=function(a){var b=this,c=this.workspace;Blockly.doCommand(function(){if(!("mousemove"==a.type&&1>=a.clientX&&0==a.clientY&&0==a.button)){Blockly.removeAllRanges();var d=b.getRelativeToSurfaceXY(),e=c.moveDrag(a),f=b.getSvgRoot();1==Blockly.dragMode_&&goog.math.Coordinate.distance(d,e)*c.scale>Blockly.DRAG_RADIUS&&(Blockly.dragMode_=2,Blockly.longStop_(),f.translate_="",f.skew_="",b.parentBlock_&&(b.setParent(null),b.disconnectUiEffect()),b.setDragging_(!0),
-c.recordDeleteAreas());if(2==Blockly.dragMode_){var g=d.x-b.dragStartXY_.x,d=d.y-b.dragStartXY_.y;f.translate_="translate("+e.x+","+e.y+")";f.setAttribute("transform",f.translate_+f.skew_);for(e=0;e<b.draggedBubbles_.length;e++)f=b.draggedBubbles_[e],f.bubble.setIconLocation(f.x+g,f.y+d);for(var f=b.getConnections_(!1),h=null,k=null,l=Blockly.SNAP_RADIUS,e=0;e<f.length;e++){var q=f[e],m=q.closest(l,g,d);m.connection&&(h=m.connection,k=q,l=m.radius)}Blockly.highlightedConnection_&&Blockly.highlightedConnection_!=
+c.recordDeleteAreas());if(2==Blockly.dragMode_){var g=d.x-b.dragStartXY_.x,d=d.y-b.dragStartXY_.y;f.translate_="translate("+e.x+","+e.y+")";f.setAttribute("transform",f.translate_+f.skew_);for(e=0;e<b.draggedBubbles_.length;e++)f=b.draggedBubbles_[e],f.bubble.setIconLocation(f.x+g,f.y+d);for(var f=b.getConnections_(!1),h=null,k=null,l=Blockly.SNAP_RADIUS,e=0;e<f.length;e++){var p=f[e],m=p.closest(l,g,d);m.connection&&(h=m.connection,k=p,l=m.radius)}Blockly.highlightedConnection_&&Blockly.highlightedConnection_!=
 h&&(Blockly.highlightedConnection_.unhighlight(),Blockly.highlightedConnection_=null,Blockly.localConnection_=null);h&&h!=Blockly.highlightedConnection_&&(h.highlight(),Blockly.highlightedConnection_=h,Blockly.localConnection_=k);b.isDeletable()&&c.isDeleteArea(a)}}a.stopPropagation()})};Blockly.BlockSvg.prototype.updateMovable=function(){this.isMovable()?Blockly.addClass_(this.svgGroup_,"blocklyDraggable"):Blockly.removeClass_(this.svgGroup_,"blocklyDraggable")};
 Blockly.BlockSvg.prototype.setMovable=function(a){Blockly.BlockSvg.superClass_.setMovable.call(this,a);this.updateMovable()};Blockly.BlockSvg.prototype.setEditable=function(a){Blockly.BlockSvg.superClass_.setEditable.call(this,a);if(this.rendered)for(a=0;a<this.icons_.length;a++)this.icons_[a].updateEditable()};Blockly.BlockSvg.prototype.setShadow=function(a){Blockly.BlockSvg.superClass_.setShadow.call(this,a);this.updateColour()};Blockly.BlockSvg.prototype.getSvgRoot=function(){return this.svgGroup_};
 Blockly.BlockSvg.SEP_SPACE_X=10;Blockly.BlockSvg.SEP_SPACE_Y=10;Blockly.BlockSvg.INLINE_PADDING_Y=5;Blockly.BlockSvg.MIN_BLOCK_Y=25;Blockly.BlockSvg.TAB_HEIGHT=20;Blockly.BlockSvg.TAB_WIDTH=8;Blockly.BlockSvg.NOTCH_WIDTH=30;Blockly.BlockSvg.CORNER_RADIUS=8;Blockly.BlockSvg.START_HAT=!1;Blockly.BlockSvg.START_HAT_PATH="c 30,-15 70,-15 100,0";Blockly.BlockSvg.START_HAT_HIGHLIGHT_LTR="c 17.8,-9.2 45.3,-14.9 75,-8.7 M 100.5,0.5";Blockly.BlockSvg.START_HAT_HIGHLIGHT_RTL="m 25,-8.7 c 29.7,-6.2 57.2,-0.5 75,8.7";
@@ -1117,26 +1118,26 @@ e.setWarningText(a,c))},100)}else{this.isInFlyout&&(a=null);d=this.getSurroundPa
 Blockly.BlockSvg.prototype.addSelect=function(){Blockly.addClass_(this.svgGroup_,"blocklySelected");this.svgGroup_.parentNode.appendChild(this.svgGroup_)};Blockly.BlockSvg.prototype.removeSelect=function(){Blockly.removeClass_(this.svgGroup_,"blocklySelected")};Blockly.BlockSvg.prototype.addDragging=function(){Blockly.addClass_(this.svgGroup_,"blocklyDragging")};Blockly.BlockSvg.prototype.removeDragging=function(){Blockly.removeClass_(this.svgGroup_,"blocklyDragging")};
 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);!1!==a&&((a=this.getParent())?a.render(!0):Blockly.fireUiEvent(window,"resize"));Blockly.Field.stopCache();Blockly.Realtime.blockChanged(this)};
 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&&(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,l=this.getInputsInline()&&!this.isCollapsed(),q=0,m;m=b[q];q++)if(m.isVisible()){var p;l&&k&&k!=Blockly.NEXT_STATEMENT&&m.type!=Blockly.NEXT_STATEMENT?p=c[c.length-1]:(k=m.type,p=[],p.type=l&&m.type!=
-Blockly.NEXT_STATEMENT?Blockly.BlockSvg.INLINE:m.type,p.height=0,c.push(p));p.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.targetConnection){var n=m.connection.targetBlock().getHeightWidth();m.renderHeight=Math.max(m.renderHeight,n.height);m.renderWidth=Math.max(m.renderWidth,n.width)}l||q!=b.length-1?!l&&m.type==Blockly.INPUT_VALUE&&b[q+1]&&b[q+1].type==
-Blockly.NEXT_STATEMENT&&m.renderHeight--:m.renderHeight--;p.height=Math.max(p.height,m.renderHeight);m.fieldWidth=0;1==c.length&&(m.fieldWidth+=this.RTL?-a:a);for(var n=!1,r=0,t;t=m.fieldRow[r];r++){0!=r&&(m.fieldWidth+=Blockly.BlockSvg.SEP_SPACE_X);var u=t.getSize();t.renderWidth=u.width;t.renderSep=n&&t.EDITABLE?Blockly.BlockSvg.SEP_SPACE_X:0;m.fieldWidth+=t.renderWidth+t.renderSep;p.height=Math.max(p.height,u.height);n=t.EDITABLE}p.type!=Blockly.BlockSvg.INLINE&&(p.type==Blockly.NEXT_STATEMENT?
-(g=!0,e=Math.max(e,m.fieldWidth)):(p.type==Blockly.INPUT_VALUE?f=!0:p.type==Blockly.DUMMY_INPUT&&(h=!0),d=Math.max(d,m.fieldWidth)))}for(a=0;p=c[a];a++)if(p.thicker=!1,p.type==Blockly.BlockSvg.INLINE)for(b=0;m=p[b];b++)if(m.type==Blockly.INPUT_VALUE){p.height+=2*Blockly.BlockSvg.INLINE_PADDING_Y;p.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.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(),p=0,m;m=b[p];p++)if(m.isVisible()){var q;l&&k&&k!=Blockly.NEXT_STATEMENT&&m.type!=Blockly.NEXT_STATEMENT?q=c[c.length-1]:(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.targetConnection){var n=m.connection.targetBlock().getHeightWidth();m.renderHeight=Math.max(m.renderHeight,n.height);m.renderWidth=Math.max(m.renderWidth,n.width)}l||p!=b.length-1?!l&&m.type==Blockly.INPUT_VALUE&&b[p+1]&&b[p+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 n=!1,r=0,t;t=m.fieldRow[r];r++){0!=r&&(m.fieldWidth+=Blockly.BlockSvg.SEP_SPACE_X);var u=t.getSize();t.renderWidth=u.width;t.renderSep=n&&t.EDITABLE?Blockly.BlockSvg.SEP_SPACE_X:0;m.fieldWidth+=t.renderWidth+t.renderSep;q.height=Math.max(q.height,u.height);n=t.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;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,b.rightEdge=Math.max(b.rightEdge,100));this.getNextBlock()&&(this.squareBottomLeftCorner_=
 !0)}var d=this.getRelativeToSurfaceXY(),e=[],f=[],c=[],g=[];this.renderDrawTop_(e,c,d,b.rightEdge);var h=this.renderDrawRight_(e,c,f,g,d,b,a);this.renderDrawBottom_(e,c,d,h);this.renderDrawLeft_(e,c,d,h);d=e.join(" ")+"\n"+f.join(" ");this.svgPath_.setAttribute("d",d);this.svgPathDark_.setAttribute("d",d);d=c.join(" ")+"\n"+g.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.renderDrawTop_=function(a,b,c,d){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.moveTo(c.x+(this.RTL?-Blockly.BlockSvg.NOTCH_WIDTH:Blockly.BlockSvg.NOTCH_WIDTH),c.y));a.push("H",d);b.push("H",d-.5);this.width=d};
-Blockly.BlockSvg.prototype.renderDrawRight_=function(a,b,c,d,e,f,g){for(var h,k=0,l,q,m=0,p;p=f[m];m++){h=Blockly.BlockSvg.SEP_SPACE_X;0==m&&(h+=this.RTL?-g:g);b.push("M",f.rightEdge-.5+","+(k+.5));if(this.isCollapsed()){var n=p[0];l=k;this.renderFields_(n.fieldRow,h,l);a.push(Blockly.BlockSvg.JAGGED_TEETH);b.push("h 8");n=p.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(p.type==
-Blockly.BlockSvg.INLINE){for(var r=0;n=p[r];r++)l=k,p.thicker&&(l+=Blockly.BlockSvg.INLINE_PADDING_Y),h=this.renderFields_(n.fieldRow,h,l),n.type!=Blockly.DUMMY_INPUT&&(h+=n.renderWidth+Blockly.BlockSvg.SEP_SPACE_X),n.type==Blockly.INPUT_VALUE&&(c.push("M",h-Blockly.BlockSvg.SEP_SPACE_X+","+(k+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+
+Blockly.BlockSvg.prototype.renderDrawRight_=function(a,b,c,d,e,f,g){for(var h,k=0,l,p,m=0,q;q=f[m];m++){h=Blockly.BlockSvg.SEP_SPACE_X;0==m&&(h+=this.RTL?-g:g);b.push("M",f.rightEdge-.5+","+(k+.5));if(this.isCollapsed()){var n=q[0];l=k;this.renderFields_(n.fieldRow,h,l);a.push(Blockly.BlockSvg.JAGGED_TEETH);b.push("h 8");n=q.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(q.type==
+Blockly.BlockSvg.INLINE){for(var r=0;n=q[r];r++)l=k,q.thicker&&(l+=Blockly.BlockSvg.INLINE_PADDING_Y),h=this.renderFields_(n.fieldRow,h,l),n.type!=Blockly.DUMMY_INPUT&&(h+=n.renderWidth+Blockly.BlockSvg.SEP_SPACE_X),n.type==Blockly.INPUT_VALUE&&(c.push("M",h-Blockly.BlockSvg.SEP_SPACE_X+","+(k+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",h-Blockly.BlockSvg.SEP_SPACE_X-2.5+Blockly.BlockSvg.TAB_WIDTH-n.renderWidth+","+(k+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",h-Blockly.BlockSvg.SEP_SPACE_X+.5+","+(k+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",h-n.renderWidth-Blockly.BlockSvg.SEP_SPACE_X+.9+","+(k+Blockly.BlockSvg.INLINE_PADDING_Y+Blockly.BlockSvg.TAB_HEIGHT-.7)),d.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),l=this.RTL?e.x-h-Blockly.BlockSvg.TAB_WIDTH+Blockly.BlockSvg.SEP_SPACE_X+n.renderWidth+1:e.x+h+Blockly.BlockSvg.TAB_WIDTH-Blockly.BlockSvg.SEP_SPACE_X-n.renderWidth-1,q=e.y+k+Blockly.BlockSvg.INLINE_PADDING_Y+1,n.connection.moveTo(l,q),n.connection.targetConnection&&n.connection.tighten_());h=Math.max(h,
-f.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?(n=p[0],l=k,n.align!=Blockly.ALIGN_LEFT&&(r=f.rightEdge-n.fieldWidth-Blockly.BlockSvg.TAB_WIDTH-2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),a.push(Blockly.BlockSvg.TAB_PATH_DOWN),r=p.height-Blockly.BlockSvg.TAB_HEIGHT,a.push("v",r),this.RTL?
-(b.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),b.push("v",r+.5)):(b.push("M",f.rightEdge-5+","+(k+Blockly.BlockSvg.TAB_HEIGHT-.7)),b.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),l=e.x+(this.RTL?-f.rightEdge-1:f.rightEdge+1),q=e.y+k,n.connection.moveTo(l,q),n.connection.targetConnection&&(n.connection.tighten_(),this.width=Math.max(this.width,f.rightEdge+n.connection.targetBlock().getHeightWidth().width-Blockly.BlockSvg.TAB_WIDTH+1))):p.type==Blockly.DUMMY_INPUT?(n=p[0],l=k,n.align!=Blockly.ALIGN_LEFT&&
-(r=f.rightEdge-n.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,f.hasValue&&(r-=Blockly.BlockSvg.TAB_WIDTH),n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),a.push("v",p.height),this.RTL&&b.push("v",p.height-1)):p.type==Blockly.NEXT_STATEMENT&&(n=p[0],0==m&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),k+=Blockly.BlockSvg.SEP_SPACE_Y),l=k,n.align!=Blockly.ALIGN_LEFT&&(r=f.statementEdge-n.fieldWidth-
-2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),h=f.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",f.rightEdge),this.RTL?(b.push("M",h-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(k+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+","+(k+p.height-Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR)),b.push("H",f.rightEdge-.5),l=e.x+(this.RTL?-h:h+1),q=e.y+k+1,n.connection.moveTo(l,q),n.connection.targetConnection&&(n.connection.tighten_(),
-this.width=Math.max(this.width,f.statementEdge+n.connection.targetBlock().getHeightWidth().width)),m==f.length-1||f[m+1].type==Blockly.NEXT_STATEMENT)&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),k+=Blockly.BlockSvg.SEP_SPACE_Y);k+=p.height}f.length||(k=Blockly.BlockSvg.MIN_BLOCK_Y,a.push("V",k),this.RTL&&b.push("V",k-1));return k};
+2-n.renderWidth),d.push("M",h-n.renderWidth-Blockly.BlockSvg.SEP_SPACE_X+.9+","+(k+Blockly.BlockSvg.INLINE_PADDING_Y+Blockly.BlockSvg.TAB_HEIGHT-.7)),d.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),l=this.RTL?e.x-h-Blockly.BlockSvg.TAB_WIDTH+Blockly.BlockSvg.SEP_SPACE_X+n.renderWidth+1:e.x+h+Blockly.BlockSvg.TAB_WIDTH-Blockly.BlockSvg.SEP_SPACE_X-n.renderWidth-1,p=e.y+k+Blockly.BlockSvg.INLINE_PADDING_Y+1,n.connection.moveTo(l,p),n.connection.targetConnection&&n.connection.tighten_());h=Math.max(h,
+f.rightEdge);this.width=Math.max(this.width,h);a.push("H",h);b.push("H",h-.5);a.push("v",q.height);this.RTL&&b.push("v",q.height-1)}else q.type==Blockly.INPUT_VALUE?(n=q[0],l=k,n.align!=Blockly.ALIGN_LEFT&&(r=f.rightEdge-n.fieldWidth-Blockly.BlockSvg.TAB_WIDTH-2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),a.push(Blockly.BlockSvg.TAB_PATH_DOWN),r=q.height-Blockly.BlockSvg.TAB_HEIGHT,a.push("v",r),this.RTL?
+(b.push(Blockly.BlockSvg.TAB_PATH_DOWN_HIGHLIGHT_RTL),b.push("v",r+.5)):(b.push("M",f.rightEdge-5+","+(k+Blockly.BlockSvg.TAB_HEIGHT-.7)),b.push("l",.46*Blockly.BlockSvg.TAB_WIDTH+",-2.1")),l=e.x+(this.RTL?-f.rightEdge-1:f.rightEdge+1),p=e.y+k,n.connection.moveTo(l,p),n.connection.targetConnection&&(n.connection.tighten_(),this.width=Math.max(this.width,f.rightEdge+n.connection.targetBlock().getHeightWidth().width-Blockly.BlockSvg.TAB_WIDTH+1))):q.type==Blockly.DUMMY_INPUT?(n=q[0],l=k,n.align!=Blockly.ALIGN_LEFT&&
+(r=f.rightEdge-n.fieldWidth-2*Blockly.BlockSvg.SEP_SPACE_X,f.hasValue&&(r-=Blockly.BlockSvg.TAB_WIDTH),n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),a.push("v",q.height),this.RTL&&b.push("v",q.height-1)):q.type==Blockly.NEXT_STATEMENT&&(n=q[0],0==m&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),k+=Blockly.BlockSvg.SEP_SPACE_Y),l=k,n.align!=Blockly.ALIGN_LEFT&&(r=f.statementEdge-n.fieldWidth-
+2*Blockly.BlockSvg.SEP_SPACE_X,n.align==Blockly.ALIGN_RIGHT?h+=r:n.align==Blockly.ALIGN_CENTRE&&(h+=r/2)),this.renderFields_(n.fieldRow,h,l),h=f.statementEdge+Blockly.BlockSvg.NOTCH_WIDTH,a.push("H",h),a.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER),a.push("v",q.height-2*Blockly.BlockSvg.CORNER_RADIUS),a.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER),a.push("H",f.rightEdge),this.RTL?(b.push("M",h-Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.DISTANCE_45_OUTSIDE+","+(k+Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),
+b.push(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL),b.push("v",q.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+","+(k+q.height-Blockly.BlockSvg.DISTANCE_45_OUTSIDE)),b.push(Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR)),b.push("H",f.rightEdge-.5),l=e.x+(this.RTL?-h:h+1),p=e.y+k+1,n.connection.moveTo(l,p),n.connection.targetConnection&&(n.connection.tighten_(),
+this.width=Math.max(this.width,f.statementEdge+n.connection.targetBlock().getHeightWidth().width)),m==f.length-1||f[m+1].type==Blockly.NEXT_STATEMENT)&&(a.push("v",Blockly.BlockSvg.SEP_SPACE_Y),this.RTL&&b.push("v",Blockly.BlockSvg.SEP_SPACE_Y-1),k+=Blockly.BlockSvg.SEP_SPACE_Y);k+=q.height}f.length||(k=Blockly.BlockSvg.MIN_BLOCK_Y,a.push("V",k),this.RTL&&b.push("V",k-1));return k};
 Blockly.BlockSvg.prototype.renderDrawBottom_=function(a,b,c,d){this.height=d+1;this.nextConnection&&(a.push("H",Blockly.BlockSvg.NOTCH_WIDTH+(this.RTL?.5:-.5)+" "+Blockly.BlockSvg.NOTCH_PATH_RIGHT),this.nextConnection.moveTo(this.RTL?c.x-Blockly.BlockSvg.NOTCH_WIDTH:c.x+Blockly.BlockSvg.NOTCH_WIDTH,c.y+d+1),this.nextConnection.targetConnection&&this.nextConnection.tighten_(),this.height+=4);this.squareBottomLeftCorner_?(a.push("H 0"),this.RTL||b.push("M","0.5,"+(d-.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+","+(d-Blockly.BlockSvg.DISTANCE_45_INSIDE)),b.push("A",Blockly.BlockSvg.CORNER_RADIUS-.5+","+(Blockly.BlockSvg.CORNER_RADIUS-.5)+" 0 0,1 0.5,"+(d-Blockly.BlockSvg.CORNER_RADIUS))))};
 Blockly.BlockSvg.prototype.renderDrawLeft_=function(a,b,c,d){this.outputConnection?(this.outputConnection.moveTo(c.x,c.y),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*Blockly.BlockSvg.TAB_WIDTH+
@@ -1197,7 +1198,7 @@ Blockly.Names.prototype.getName=function(a,b){var c=a.toLowerCase()+"_"+b,d=b==B
 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="PROCEDURE";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,"");a=Blockly.Procedures.findLegalName(a,this.sourceBlock_);for(var b=this.sourceBlock_.workspace.getAllBlocks(),c=0;c<b.length;c++)b[c].renameProcedure&&b[c].renameProcedure(this.text_,a);return a};
-Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var h=a[d][0],k=a[d][1],l=goog.dom.createDom("block");l.setAttribute("type",b);l.setAttribute("gap",16);var q=goog.dom.createDom("mutation");q.setAttribute("name",h);l.appendChild(q);for(h=0;h<k.length;h++){var m=goog.dom.createDom("arg");m.setAttribute("name",k[h]);q.appendChild(m)}c.push(l)}}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 h=a[d][0],k=a[d][1],l=goog.dom.createDom("block");l.setAttribute("type",b);l.setAttribute("gap",16);var p=goog.dom.createDom("mutation");p.setAttribute("name",h);l.appendChild(p);for(h=0;h<k.length;h++){var m=goog.dom.createDom("arg");m.setAttribute("name",k[h]);p.appendChild(m)}c.push(l)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=goog.dom.createDom("block");d.setAttribute("type","procedures_defnoreturn");
 d.setAttribute("gap",16);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=goog.dom.createDom("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),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.disposeCallers=function(a,b){for(var c=Blockly.Procedures.getCallers(a,b),d=0;d<c.length;d++)c[d].dispose(!0,!1)};Blockly.Procedures.mutateCallers=function(a,b,c,d){a=Blockly.Procedures.getCallers(a,b);for(b=0;b<a.length;b++)a[b].setProcedureParameters(c,d)};
 Blockly.Procedures.getDefinition=function(a,b){for(var c=b.getAllBlocks(),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.Flyout=function(a){var b=this;a.getMetrics=function(){return b.getMetrics_()};a.setMetrics=function(a){return b.setMetrics_(a)};this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.RTL=!!a.RTL;this.eventWrappers_=[];this.buttons_=[];this.listeners_=[]};Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.SCROLLBAR_PADDING=2;Blockly.Flyout.prototype.width_=0;Blockly.Flyout.prototype.height_=0;
@@ -1264,15 +1265,15 @@ Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDi
 Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.DIV.style.height="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.dispose_=null,goog.dom.removeChildren(Blockly.WidgetDiv.DIV))};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};
 Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};Blockly.WidgetDiv.position=function(a,b,c,d,e){b<d.y&&(b=d.y);e?a>c.width+d.x&&(a=c.width+d.x):a<d.x&&(a=d.x);Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c.height-b+d.y+"px"};Blockly.inject=function(a,b){goog.isString(a)&&(a=document.getElementById(a));if(!goog.dom.contains(document,a))throw"Error: container is not in current document.";var c=Blockly.parseOptions_(b||{}),d,e=function(){var b=Blockly.createDom_(a,c);d=Blockly.createMainWorkspace_(b,c);Blockly.init_(d);d.markFocused();Blockly.bindEvent_(b,"focus",d,d.markFocused)};if(c.enableRealtime){var f=document.getElementById("realtime");f&&(f.style.display="block");Blockly.Realtime.startRealtime(e,a,c.realtimeOptions)}else e();
 return d};Blockly.parseToolboxTree_=function(a){a?("string"!=typeof a&&"undefined"==typeof XSLTProcessor&&(a=a.outerHTML),"string"==typeof a&&(a=Blockly.Xml.textToDom(a))):a=null;return a};
-Blockly.parseOptions_=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.parseToolboxTree_(a.toolbox),d=Boolean(c&&c.getElementsByTagName("category").length),e=a.trashcan,void 0===e&&(e=d),f=a.collapse,void 0===f&&(f=d),g=a.comments,void 0===g&&(g=d),h=a.disable,void 0===h&&(h=d),k=a.sounds,void 0===k&&(k=!0);var l=a.scrollbars;void 0===l&&(l=d);var q=a.css;void 0===q&&(q=!0);var m=a.grid||{},p={};p.spacing=parseFloat(m.spacing)||0;p.colour=m.colour||"#888";
-p.length=parseFloat(m.length)||1;p.snap=0<p.spacing&&!!m.snap;m="https://blockly-demo.appspot.com/static/media/";a.media?m=a.media:a.path&&(m=a.path+"media/");var n=a.zoom||{},r={};r.controls=void 0===n.controls?!1:!!n.controls;r.wheel=void 0===n.wheel?!1:!!n.wheel;r.startScale=void 0===n.startScale?1:parseFloat(n.startScale);r.maxScale=void 0===n.maxScale?3:parseFloat(n.maxScale);r.minScale=void 0===n.minScale?.3:parseFloat(n.minScale);r.scaleSpeed=void 0===n.scaleSpeed?1.2:parseFloat(n.scaleSpeed);
-n=!!a.realtime;return{RTL:!!a.rtl,collapse:f,comments:g,disable:h,readOnly:b,maxBlocks:a.maxBlocks||Infinity,pathToMedia:m,hasCategories:d,hasScrollbars:l,hasTrashcan:e,hasSounds:k,hasCss:q,languageTree:c,gridOptions:p,zoomOptions:r,enableRealtime:n,realtimeOptions:n?a.realtimeOptions:void 0}};
+Blockly.parseOptions_=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.parseToolboxTree_(a.toolbox),d=Boolean(c&&c.getElementsByTagName("category").length),e=a.trashcan,void 0===e&&(e=d),f=a.collapse,void 0===f&&(f=d),g=a.comments,void 0===g&&(g=d),h=a.disable,void 0===h&&(h=d),k=a.sounds,void 0===k&&(k=!0);var l=a.scrollbars;void 0===l&&(l=d);var p=a.css;void 0===p&&(p=!0);var m=a.grid||{},q={};q.spacing=parseFloat(m.spacing)||0;q.colour=m.colour||"#888";
+q.length=parseFloat(m.length)||1;q.snap=0<q.spacing&&!!m.snap;m="https://blockly-demo.appspot.com/static/media/";a.media?m=a.media:a.path&&(m=a.path+"media/");var n=a.zoom||{},r={};r.controls=void 0===n.controls?!1:!!n.controls;r.wheel=void 0===n.wheel?!1:!!n.wheel;r.startScale=void 0===n.startScale?1:parseFloat(n.startScale);r.maxScale=void 0===n.maxScale?3:parseFloat(n.maxScale);r.minScale=void 0===n.minScale?.3:parseFloat(n.minScale);r.scaleSpeed=void 0===n.scaleSpeed?1.2:parseFloat(n.scaleSpeed);
+n=!!a.realtime;return{RTL:!!a.rtl,collapse:f,comments:g,disable:h,readOnly:b,maxBlocks:a.maxBlocks||Infinity,pathToMedia:m,hasCategories:d,hasScrollbars:l,hasTrashcan:e,hasSounds:k,hasCss:p,languageTree:c,gridOptions:q,zoomOptions:r,enableRealtime:n,realtimeOptions:n?a.realtimeOptions:void 0}};
 Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");goog.ui.Component.setDefaultRightToLeft(b.RTL);Blockly.Css.inject(b.hasCss,b.pathToMedia);var c=Blockly.createSvgElement("svg",{xmlns:"http://www.w3.org/2000/svg","xmlns:html":"http://www.w3.org/1999/xhtml","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklySvg"},a),d=Blockly.createSvgElement("defs",{},c),e=String(Math.random()).substring(2),f=Blockly.createSvgElement("filter",{id:"blocklyEmbossFilter"+e},d);Blockly.createSvgElement("feGaussianBlur",
 {"in":"SourceAlpha",stdDeviation:1,result:"blur"},f);var g=Blockly.createSvgElement("feSpecularLighting",{"in":"blur",surfaceScale:1,specularConstant:.5,specularExponent:10,"lighting-color":"white",result:"specOut"},f);Blockly.createSvgElement("fePointLight",{x:-5E3,y:-1E4,z:2E4},g);Blockly.createSvgElement("feComposite",{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},f);Blockly.createSvgElement("feComposite",{"in":"SourceGraphic",in2:"specOut",operator:"arithmetic",k1:0,k2:1,k3:1,
 k4:0},f);b.embossFilterId=f.id;f=Blockly.createSvgElement("pattern",{id:"blocklyDisabledPattern"+e,patternUnits:"userSpaceOnUse",width:10,height:10},d);Blockly.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},f);Blockly.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},f);b.disabledPatternId=f.id;d=Blockly.createSvgElement("pattern",{id:"blocklyGridPattern"+e,patternUnits:"userSpaceOnUse"},d);0<b.gridOptions.length&&0<b.gridOptions.spacing&&(Blockly.createSvgElement("line",
 {stroke:b.gridOptions.colour},d),1<b.gridOptions.length&&Blockly.createSvgElement("line",{stroke:b.gridOptions.colour},d));b.gridPattern=d;return b.svg=c};
 Blockly.createMainWorkspace_=function(a,b){b.parentWorkspace=null;b.getMetrics=Blockly.getMainWorkspaceMetrics_;b.setMetrics=Blockly.setMainWorkspaceMetrics_;var c=new Blockly.WorkspaceSvg(b);c.scale=b.zoomOptions.startScale;a.appendChild(c.createDom("blocklyMainBackground"));c.translate(0,0);c.markFocused();b.readOnly||b.hasScrollbars||c.addChangeListener(function(){if(0==Blockly.dragMode_){var a=c.getMetrics(),e=a.viewLeft+a.absoluteLeft,f=a.viewTop+a.absoluteTop;if(a.contentTop<f||a.contentTop+
-a.contentHeight>a.viewHeight+f||a.contentLeft<(b.RTL?a.viewLeft:e)||a.contentLeft+a.contentWidth>(b.RTL?a.viewWidth:a.viewWidth+e))for(var g=c.getTopBlocks(!1),h=0,k;k=g[h];h++){var l=k.getRelativeToSurfaceXY(),q=k.getHeightWidth(),m=f+25-q.height-l.y;0<m&&k.moveBy(0,m);m=f+a.viewHeight-25-l.y;0>m&&k.moveBy(0,m);m=25+e-l.x-(b.RTL?0:q.width);0<m&&k.moveBy(m,0);m=e+a.viewWidth-25-l.x+(b.RTL?q.width:0);0>m&&k.moveBy(m,0)}}});Blockly.svgResize(c);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();
+a.contentHeight>a.viewHeight+f||a.contentLeft<(b.RTL?a.viewLeft:e)||a.contentLeft+a.contentWidth>(b.RTL?a.viewWidth:a.viewWidth+e))for(var g=c.getTopBlocks(!1),h=0,k;k=g[h];h++){var l=k.getRelativeToSurfaceXY(),p=k.getHeightWidth(),m=f+25-p.height-l.y;0<m&&k.moveBy(0,m);m=f+a.viewHeight-25-l.y;0>m&&k.moveBy(0,m);m=25+e-l.x-(b.RTL?0:p.width);0<m&&k.moveBy(m,0);m=e+a.viewWidth-25-l.x+(b.RTL?p.width:0);0>m&&k.moveBy(m,0)}}});Blockly.svgResize(c);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();
 return c};
 Blockly.init_=function(a){var b=a.options;Blockly.bindEvent_(a.options.svg,"contextmenu",null,function(a){Blockly.isTargetInput_(a)||a.preventDefault()});Blockly.bindEvent_(window,"resize",null,function(){Blockly.svgResize(a)});Blockly.documentEventsBound_||(Blockly.bindEvent_(document,"keydown",null,Blockly.onKeyDown_),Blockly.bindEvent_(document,"touchend",null,Blockly.longStop_),Blockly.bindEvent_(document,"touchcancel",null,Blockly.longStop_),document.addEventListener("mouseup",Blockly.onMouseUp_,!1),
 goog.userAgent.IPAD&&Blockly.bindEvent_(window,"orientationchange",document,function(){Blockly.fireUiEvent(window,"resize")}),Blockly.documentEventsBound_=!0);if(b.languageTree)if(a.toolbox_)a.toolbox_.init(a);else if(a.flyout_){a.flyout_.init(a);a.flyout_.show(b.languageTree.childNodes);a.scrollX=a.flyout_.width_;b.RTL&&(a.scrollX*=-1);var c="translate("+a.scrollX+",0)";a.getCanvas().setAttribute("transform",c);a.getBubbleCanvas().setAttribute("transform",c)}b.hasScrollbars&&(a.scrollbar=new Blockly.ScrollbarPair(a),
@@ -1304,5 +1305,5 @@ Blockly.duplicate_=function(a){var b=Blockly.clipboardXml_,c=Blockly.clipboardSo
 Blockly.getMainWorkspaceMetrics_=function(){var a=Blockly.svgSize(this.options.svg);this.toolbox_&&(a.width-=this.toolbox_.width);var b=Blockly.Flyout.prototype.CORNER_RADIUS-1,c=a.width-b,d=a.height-b;try{var e=this.getCanvas().getBBox()}catch(l){return null}var 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),e=Math.max(k+g+d/2,k+d)):(b=e.x,c=b+e.width,f=e.y,e=f+e.height);d=0;!this.RTL&&
 this.toolbox_&&(d=this.toolbox_.width);return{viewHeight:a.height,viewWidth:a.width,contentHeight:e-f,contentWidth:c-b,viewTop:-this.scrollY,viewLeft:-this.scrollX,contentTop:f,contentLeft:b,absoluteTop:0,absoluteLeft:d}};
 Blockly.setMainWorkspaceMetrics_=function(a){if(!this.scrollbar)throw"Attempt to set main 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&&
-this.updateGridPattern_())};Blockly.doCommand=function(a){Blockly.Realtime.isEnabled?Blockly.Realtime.doCommand(a):a()};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};goog.global.Blockly||(goog.global.Blockly={});goog.global.Blockly.getMainWorkspace=Blockly.getMainWorkspace;
+this.updateGridPattern_())};Blockly.doCommand=function(a){Blockly.Realtime.isEnabled()?Blockly.Realtime.doCommand(a):a()};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};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/core/block_svg.js b/core/block_svg.js
index 0ffdf93ca..fd9ed41ac 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -547,7 +547,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
   }
   // Save the current block in a variable for use in closures.
   var block = this;
-  var options = [];
+  var menuOptions = [];
 
   if (this.isDeletable() && this.isMovable() && !block.isInFlyout) {
     // Option to duplicate this block.
@@ -561,7 +561,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
     if (this.getDescendants().length > this.workspace.remainingCapacity()) {
       duplicateOption.enabled = false;
     }
-    options.push(duplicateOption);
+    menuOptions.push(duplicateOption);
 
     if (this.isEditable() && !this.collapsed_ &&
         this.workspace.options.comments) {
@@ -578,7 +578,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
           block.setCommentText('');
         };
       }
-      options.push(commentOption);
+      menuOptions.push(commentOption);
     }
 
     // Option to make block inline.
@@ -595,7 +595,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
           inlineOption.callback = function() {
             block.setInputsInline(!isInline);
           };
-          options.push(inlineOption);
+          menuOptions.push(inlineOption);
           break;
         }
       }
@@ -609,14 +609,14 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
         expandOption.callback = function() {
           block.setCollapsed(false);
         };
-        options.push(expandOption);
+        menuOptions.push(expandOption);
       } else {
         var collapseOption = {enabled: true};
         collapseOption.text = Blockly.Msg.COLLAPSE_BLOCK;
         collapseOption.callback = function() {
           block.setCollapsed(true);
         };
-        options.push(collapseOption);
+        menuOptions.push(collapseOption);
       }
     }
 
@@ -630,7 +630,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
           block.setDisabled(!block.disabled);
         }
       };
-      options.push(disableOption);
+      menuOptions.push(disableOption);
     }
 
     // Option to delete this block.
@@ -649,7 +649,7 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
         block.dispose(true, true);
       }
     };
-    options.push(deleteOption);
+    menuOptions.push(deleteOption);
   }
 
   // Option to get help.
@@ -659,14 +659,14 @@ Blockly.BlockSvg.prototype.showContextMenu_ = function(e) {
   helpOption.callback = function() {
     block.showHelp_();
   };
-  options.push(helpOption);
+  menuOptions.push(helpOption);
 
-  // Allow the block to add or modify options.
+  // Allow the block to add or modify menuOptions.
   if (this.customContextMenu && !block.isInFlyout) {
-    this.customContextMenu(options);
+    this.customContextMenu(menuOptions);
   }
 
-  Blockly.ContextMenu.show(e, options, this.RTL);
+  Blockly.ContextMenu.show(e, menuOptions, this.RTL);
   Blockly.ContextMenu.currentBlock = this;
 };
 
diff --git a/core/workspace_svg.js b/core/workspace_svg.js
index 04f7422b5..321aef384 100644
--- a/core/workspace_svg.js
+++ b/core/workspace_svg.js
@@ -703,7 +703,7 @@ Blockly.WorkspaceSvg.prototype.showContextMenu_ = function(e) {
   menuOptions.push(cleanOption);
 
   // Add a little animation to collapsing and expanding.
-  var COLLAPSE_DELAY = 10;
+  var DELAY = 10;
   if (this.options.collapse) {
     var hasCollapsedBlocks = false;
     var hasExpandedBlocks = false;
@@ -731,7 +731,7 @@ Blockly.WorkspaceSvg.prototype.showContextMenu_ = function(e) {
         while (block) {
           setTimeout(block.setCollapsed.bind(block, shouldCollapse), ms);
           block = block.getNextBlock();
-          ms += COLLAPSE_DELAY;
+          ms += DELAY;
         }
       }
     };
@@ -753,6 +753,47 @@ Blockly.WorkspaceSvg.prototype.showContextMenu_ = function(e) {
     menuOptions.push(expandOption);
   }
 
+  // Option to delete all blocks.
+  // Count the number of blocks that are deletable.
+  var deleteList = [];
+  function addDeletableBlocks(block) {
+    if (block.isDeletable()) {
+      deleteList = deleteList.concat(block.getDescendants());
+    } else {
+      var children = block.getChildren();
+      for (var i = 0; i < children.length; i++) {
+        addDeletableBlocks(children[i]);
+      }
+    }
+  }
+  for (var i = 0; i < topBlocks.length; i++) {
+    addDeletableBlocks(topBlocks[i]);
+  }
+  var deleteOption = {
+    text: deleteList.length <= 1 ? Blockly.Msg.DELETE_BLOCK :
+        Blockly.Msg.DELETE_X_BLOCKS.replace('%1', String(deleteList.length)),
+    enabled: deleteList.length > 0,
+    callback: function() {
+      if (deleteList.length < 2 ||
+          window.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace('%1',
+          String(deleteList.length)))) {
+        deleteNext();
+      }
+    }
+  };
+  function deleteNext() {
+    var block = deleteList.shift();
+    if (block) {
+      if (block.workspace) {
+        block.dispose(false, true);
+        setTimeout(deleteNext, DELAY);
+      } else {
+        deleteNext();
+      }
+    }
+  }
+  menuOptions.push(deleteOption);
+
   Blockly.ContextMenu.show(e, menuOptions, this.RTL);
 };
 
diff --git a/demos/code/code.js b/demos/code/code.js
index 0bb7571cb..8880463cd 100644
--- a/demos/code/code.js
+++ b/demos/code/code.js
@@ -515,7 +515,7 @@ Code.runJS = function() {
 Code.discard = function() {
   var count = Code.workspace.getAllBlocks().length;
   if (count < 2 ||
-      window.confirm(MSG['discard'].replace('%1', count))) {
+      window.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace('%1', count))) {
     Code.workspace.clear();
     window.location.hash = '';
   }
diff --git a/demos/code/msg/ar.js b/demos/code/msg/ar.js
index bba0f5b60..952198b21 100644
--- a/demos/code/msg/ar.js
+++ b/demos/code/msg/ar.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "شغل البرنامج المعرف بواسطة البلوكات في مساحة العمل.",
   badCode: "خطأ في البرنامج:\n %1",
   timeout: "تم تجاوز الحد الأقصى لتكرارات التنفيذ .",
-  discard: "حذف كل بلوكات %1؟",
   trashTooltip: "تجاهل كل البلوكات.",
   catLogic: "منطق",
   catLoops: "الحلقات",
diff --git a/demos/code/msg/be-tarask.js b/demos/code/msg/be-tarask.js
index 613ecb542..5c8d72264 100644
--- a/demos/code/msg/be-tarask.js
+++ b/demos/code/msg/be-tarask.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Запусьціце праграму, вызначаную блёкамі ў працоўнай вобласьці.",
   badCode: "Памылка праграмы:\n%1",
   timeout: "Перавышана максымальная колькасьць ітэрацыяў.",
-  discard: "Выдаліць усе блёкі %1?",
   trashTooltip: "Выдаліць усе блёкі.",
   catLogic: "Лёгіка",
   catLoops: "Петлі",
diff --git a/demos/code/msg/br.js b/demos/code/msg/br.js
index 8cbbeb4b5..321e28e58 100644
--- a/demos/code/msg/br.js
+++ b/demos/code/msg/br.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Lañsañ ar programm termenet gant ar bloc'hadoù en takad labour.",
   badCode: "Fazi programm :\n%1",
   timeout: "Tizhet eo bet an niver brasañ a iteradurioù seveniñ aotreet.",
-  discard: "Diverkañ an holl vloc'hoù %1 ?",
   trashTooltip: "Disteurel an holl vloc'hoù.",
   catLogic: "Poell",
   catLoops: "Boukloù",
diff --git a/demos/code/msg/ca.js b/demos/code/msg/ca.js
index 33cf9c34d..2b6d9738e 100644
--- a/demos/code/msg/ca.js
+++ b/demos/code/msg/ca.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Executa el programa definit pels blocs de l'àrea de treball.",
   badCode: "Error de programa:\n %1",
   timeout: "S'ha superat el nombre màxim d'iteracions d'execució.",
-  discard: "Esborrar els %1 blocs?",
   trashTooltip: "Descarta tots els blocs.",
   catLogic: "Lògica",
   catLoops: "Bucles",
diff --git a/demos/code/msg/cs.js b/demos/code/msg/cs.js
index b1232a632..1026511e3 100644
--- a/demos/code/msg/cs.js
+++ b/demos/code/msg/cs.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "",
   badCode: "Chyba programu:\n%1",
   timeout: "Maximum execution iterations exceeded.",
-  discard: "Odstranit všechny bloky %1?",
   trashTooltip: "Zahodit všechny bloky.",
   catLogic: "Logika",
   catLoops: "Smyčky",
diff --git a/demos/code/msg/da.js b/demos/code/msg/da.js
index 7d5cbdf70..089450b2d 100644
--- a/demos/code/msg/da.js
+++ b/demos/code/msg/da.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Kør programmet, der er defineret af blokkene i arbejdsområdet.",
   badCode: "Programfejl:\n%1",
   timeout: "Maksimale antal udførelsesgentagelser overskredet.",
-  discard: "Slet alle %1 blokke?",
   trashTooltip: "Kassér alle blokke.",
   catLogic: "Logik",
   catLoops: "Løkker",
diff --git a/demos/code/msg/de.js b/demos/code/msg/de.js
index 2d6562062..422f9187d 100644
--- a/demos/code/msg/de.js
+++ b/demos/code/msg/de.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Das Programm ausführen, das von den Bausteinen im Arbeitsbereich definiert ist.",
   badCode: "Programmfehler:\n%1",
   timeout: "Die maximalen Ausführungswiederholungen wurden überschritten.",
-  discard: "Alle %1 Bausteine löschen?",
   trashTooltip: "Alle Bausteine verwerfen.",
   catLogic: "Logik",
   catLoops: "Schleifen",
diff --git a/demos/code/msg/el.js b/demos/code/msg/el.js
index 3e128ad5b..c63b7a685 100644
--- a/demos/code/msg/el.js
+++ b/demos/code/msg/el.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Εκτελεί το πρόγραμμα που ορίζεται από τα μπλοκ στον χώρο εργασίας.",
   badCode: "Σφάλμα προγράμματος:\n%1",
   timeout: "Υπέρβαση μέγιστου αριθμού επαναλήψεων.",
-  discard: "Να διαγραφούν και τα %1 μπλοκ?",
   trashTooltip: "Απόρριψη όλων των μπλοκ.",
   catLogic: "Λογική",
   catLoops: "Επαναλήψεις",
diff --git a/demos/code/msg/en.js b/demos/code/msg/en.js
index 8432b75ff..8d52cf333 100644
--- a/demos/code/msg/en.js
+++ b/demos/code/msg/en.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Run the program defined by the blocks in the workspace.",
   badCode: "Program error:\n%1",
   timeout: "Maximum execution iterations exceeded.",
-  discard: "Delete all %1 blocks?",
   trashTooltip: "Discard all blocks.",
   catLogic: "Logic",
   catLoops: "Loops",
diff --git a/demos/code/msg/es.js b/demos/code/msg/es.js
index 8d60c3157..24358e368 100644
--- a/demos/code/msg/es.js
+++ b/demos/code/msg/es.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Ejecute el programa definido por los bloques en el área de trabajo.",
   badCode: "Error del programa:\n%1",
   timeout: "Se excedio el máximo de iteraciones ejecutadas permitidas.",
-  discard: "¿Eliminar todos los bloques %1?",
   trashTooltip: "Descartar todos los bloques.",
   catLogic: "Lógica",
   catLoops: "Secuencias",
diff --git a/demos/code/msg/fa.js b/demos/code/msg/fa.js
index f604e9fea..96dd966b0 100644
--- a/demos/code/msg/fa.js
+++ b/demos/code/msg/fa.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "اجرای برنامهٔ تعریف‌شده توسط بلوک‌ها در فضای کار.",
   badCode: "خطای برنامه:\n%1",
   timeout: "حداکثر تکرارهای اجرا رد شده‌است.",
-  discard: "حذف همهٔ بلاک‌های %1؟",
   trashTooltip: "دورریختن همهٔ بلوک‌ها.",
   catLogic: "منطق",
   catLoops: "حلقه‌ها",
diff --git a/demos/code/msg/fr.js b/demos/code/msg/fr.js
index 17e91474d..60181131a 100644
--- a/demos/code/msg/fr.js
+++ b/demos/code/msg/fr.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Lancer le programme défini par les blocs dans l’espace de travail.",
   badCode: "Erreur du programme :\n%1",
   timeout: "Nombre maximum d’itérations d’exécution dépassé.",
-  discard: "Supprimer tous les %1 blocs ?",
   trashTooltip: "Jeter tous les blocs.",
   catLogic: "Logique",
   catLoops: "Boucles",
diff --git a/demos/code/msg/he.js b/demos/code/msg/he.js
index d11982c41..dc2826620 100644
--- a/demos/code/msg/he.js
+++ b/demos/code/msg/he.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "הרצת התכנית שהוגדרה על ידי קטעי הקוד שבמרחב העבודה.",
   badCode: "שגיאה בתכנית: %1",
   timeout: "חריגה ממספר פעולות חוזרות אפשריות.",
-  discard: "האם למחוק את כל %1 קטעי הקוד?",
   trashTooltip: "השלך את כל קטעי הקוד.",
   catLogic: "לוגיקה",
   catLoops: "לולאות",
diff --git a/demos/code/msg/hrx.js b/demos/code/msg/hrx.js
index 11f790c27..ca0dea3fc 100644
--- a/demos/code/msg/hrx.js
+++ b/demos/code/msg/hrx.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Das Programm ausfüahre, das von den Bausten im Oorweitsbereich definiert ist.",
   badCode: "Programmfehler:\n%1",
   timeout: "Die maximale Ausführungswiederholunge woore üwerschritt.",
-  discard: "All %1 Bausten lösche?",
   trashTooltip: "All Bausten verwerfe.",
   catLogic: "Logik",
   catLoops: "Schleife",
diff --git a/demos/code/msg/hu.js b/demos/code/msg/hu.js
index a2f2c5081..eee186863 100644
--- a/demos/code/msg/hu.js
+++ b/demos/code/msg/hu.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Program futtatása.",
   badCode: "Program hiba:\n%1",
   timeout: "A program elérte a maximális végrehajtási időt.",
-  discard: "Az összes %1 blokk törlése?",
   trashTooltip: "Összes blokk törlése.",
   catLogic: "Logikai műveletek",
   catLoops: "Ciklusok",
diff --git a/demos/code/msg/ia.js b/demos/code/msg/ia.js
index a5557c221..5938458bb 100644
--- a/demos/code/msg/ia.js
+++ b/demos/code/msg/ia.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Executar le programma definite per le blocos in le spatio de travalio.",
   badCode: "Error del programma:\n%1",
   timeout: "Le numero de iterationes executate ha excedite le maximo.",
-  discard: "Deler tote le %1 blocos?",
   trashTooltip: "Abandonar tote le blocos.",
   catLogic: "Logica",
   catLoops: "Buclas",
diff --git a/demos/code/msg/is.js b/demos/code/msg/is.js
index b1035b159..fa5c40d80 100644
--- a/demos/code/msg/is.js
+++ b/demos/code/msg/is.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Keyra forritið sem kubbarnir á vinnusvæðinu mynda.",
   badCode: "Villa í forriti:\n%1",
   timeout: "Forritið hefur endurtekið sig of oft.",
-  discard: "Eyða öllum %1 kubbunum?",
   trashTooltip: "Fleygja öllum kubbum.",
   catLogic: "Rökvísi",
   catLoops: "Lykkjur",
diff --git a/demos/code/msg/it.js b/demos/code/msg/it.js
index 6fba6493e..cd69b66b3 100644
--- a/demos/code/msg/it.js
+++ b/demos/code/msg/it.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Esegui il programma definito dai blocchi nell'area di lavoro.",
   badCode: "Errore programma:\n%1",
   timeout: "È stato superato il numero massimo consentito di interazioni eseguite.",
-  discard: "Cancellare tutti i %1 blocchi?",
   trashTooltip: "Elimina tutti i blocchi.",
   catLogic: "Logica",
   catLoops: "Cicli",
diff --git a/demos/code/msg/ja.js b/demos/code/msg/ja.js
index 9ff356ccd..6d5041982 100644
--- a/demos/code/msg/ja.js
+++ b/demos/code/msg/ja.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "ブロックで作成したプログラムを実行します。",
   badCode: "プログラムのエラー:\n%1",
   timeout: "命令の実行回数が制限値を超えました。",
-  discard: "%1 個すべてのブロックを消しますか?",
   trashTooltip: "すべてのブロックを消します。",
   catLogic: "論理",
   catLoops: "繰り返し",
diff --git a/demos/code/msg/ko.js b/demos/code/msg/ko.js
index 24edd7d69..990cb6f23 100644
--- a/demos/code/msg/ko.js
+++ b/demos/code/msg/ko.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "작업 공간에서 블록으로 정의된 프로그램을 실행합니다.",
   badCode: "프로그램 오류:\n%1",
   timeout: "최대 실행 반복을 초과했습니다.",
-  discard: "모든 블록 %1개를 삭제하겠습니까?",
   trashTooltip: "모든 블록을 버립니다.",
   catLogic: "논리",
   catLoops: "반복",
diff --git a/demos/code/msg/mk.js b/demos/code/msg/mk.js
index f1c58afb6..cc344a69c 100644
--- a/demos/code/msg/mk.js
+++ b/demos/code/msg/mk.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Пушти го програмот определен од блокчињата во работниот простор.",
   badCode: "Грешка во програмот:\n%1",
   timeout: "Го надминавте допуштениот број на повторувања во извршувањето.",
-  discard: "Да ги избришам сите %1 блокчиња?",
   trashTooltip: "Отстрани ги сите блокчиња.",
   catLogic: "Логика",
   catLoops: "Јамки",
diff --git a/demos/code/msg/ms.js b/demos/code/msg/ms.js
index f08c1caf2..f3801cd0b 100644
--- a/demos/code/msg/ms.js
+++ b/demos/code/msg/ms.js
@@ -5,8 +5,7 @@ var MSG = {
   runTooltip: "Jalankan aturcara yang ditetapkan oleh blok-blok di dalam ruang kerja.",
   badCode: "Ralat atur cara:\n%1",
   timeout: "Takat maksimum lelaran pelaksanaan dicecah.",
-  discard: "Hapuskan kesemua %1 blok?",
-  trashTooltip: "Buang semua blok.",
+  trashTooltip: "Buang semua Blok.",
   catLogic: "Logik",
   catLoops: "Gelung",
   catMath: "Matematik",
diff --git a/demos/code/msg/nb.js b/demos/code/msg/nb.js
index 409fe08b8..60ac0394d 100644
--- a/demos/code/msg/nb.js
+++ b/demos/code/msg/nb.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Kjør programmet definert av blokken i arbeidsområdet.",
   badCode: "Programfeil:\n%1",
   timeout: "Det maksimale antallet utførte looper er oversteget.",
-  discard: "Slett alle %1 blokker?",
   trashTooltip: "Fjern alle blokker",
   catLogic: "Logikk",
   catLoops: "Looper",
diff --git a/demos/code/msg/nl.js b/demos/code/msg/nl.js
index c9c394c9f..339a5e882 100644
--- a/demos/code/msg/nl.js
+++ b/demos/code/msg/nl.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Voer het programma uit dat met de blokken in de werkruimte is gemaakt.",
   badCode: "Programmafout:\n%1",
   timeout: "Het maximale aantal iteraties is overschreden.",
-  discard: "Alle %1 blokken verwijderen?",
   trashTooltip: "Alle blokken verwijderen",
   catLogic: "Logica",
   catLoops: "Lussen",
diff --git a/demos/code/msg/oc.js b/demos/code/msg/oc.js
index 29d29d9ad..c184ac8fb 100644
--- a/demos/code/msg/oc.js
+++ b/demos/code/msg/oc.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Aviar lo programa definit pels blòts dins l’espaci de trabalh.",
   badCode: "Error del programa :\n%1",
   timeout: "Nombre maximum d’iteracions d’execucion depassat.",
-  discard: "Suprimir totes los %1 blòts ?",
   trashTooltip: "Getar totes los blòts.",
   catLogic: "Logic",
   catLoops: "Boclas",
diff --git a/demos/code/msg/pl.js b/demos/code/msg/pl.js
index c8ca562f3..83bb05d2f 100644
--- a/demos/code/msg/pl.js
+++ b/demos/code/msg/pl.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Uruchom program zdefinowany przez bloki w obszarze roboczym",
   badCode: "Błąd programu:\n%1",
   timeout: "Maksymalna liczba iteracji wykonywań przekroczona",
-  discard: "Usunąć wszystkie %1 bloki?",
   trashTooltip: "Odrzuć wszystkie bloki.",
   catLogic: "Logika",
   catLoops: "Pętle",
diff --git a/demos/code/msg/pms.js b/demos/code/msg/pms.js
index 27edbc879..a7704f764 100644
--- a/demos/code/msg/pms.js
+++ b/demos/code/msg/pms.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Fé andé ël programa definì dai blòch ant lë spassi ëd travaj.",
   badCode: "Eror dël programa:\n%1",
   timeout: "Nùmer màssim d'arpetission d'esecussion sorpassà.",
-  discard: "Scancelé tuti ij %1 blòch?",
   trashTooltip: "Scarté tuti ij blòch.",
   catLogic: "Lògica",
   catLoops: "Liasse",
diff --git a/demos/code/msg/pt-br.js b/demos/code/msg/pt-br.js
index 470761735..9b18d6360 100644
--- a/demos/code/msg/pt-br.js
+++ b/demos/code/msg/pt-br.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Execute o programa definido pelos blocos na área de trabalho.",
   badCode: "Erro no programa:\n%1",
   timeout: "Máximo de iterações de execução excedido.",
-  discard: "Apagar todos os %1 blocos?",
   trashTooltip: "Descartar todos os blocos.",
   catLogic: "Lógica",
   catLoops: "Laços",
diff --git a/demos/code/msg/ro.js b/demos/code/msg/ro.js
index 7ffe7b470..cd3de11d7 100644
--- a/demos/code/msg/ro.js
+++ b/demos/code/msg/ro.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Execută programul definit de către blocuri în spațiul de lucru.",
   badCode: "Eroare de program:\n%1",
   timeout: "Numărul maxim de iterații a fost depășit.",
-  discard: "Ștergi toate cele %1 (de) blocuri?",
   trashTooltip: "Șterge toate blocurile.",
   catLogic: "Logic",
   catLoops: "Bucle",
diff --git a/demos/code/msg/ru.js b/demos/code/msg/ru.js
index 0d972687f..389e9052a 100644
--- a/demos/code/msg/ru.js
+++ b/demos/code/msg/ru.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Запустить программу, заданную блоками в рабочей области.",
   badCode: "Ошибка программы:\n%1",
   timeout: "Превышено максимальное количество итераций.",
-  discard: "Удалить все блоки (%1)?",
   trashTooltip: "Удалить все блоки.",
   catLogic: "Логические",
   catLoops: "Циклы",
diff --git a/demos/code/msg/sc.js b/demos/code/msg/sc.js
index f0015a82a..82f94d61d 100644
--- a/demos/code/msg/sc.js
+++ b/demos/code/msg/sc.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Arròllia su programa cumpostu de is brocus in s'àrea de traballu.",
   badCode: "Errori in su Programa:\n%1",
   timeout: "Giai lòmpius a su màssimu numeru de repicus.",
-  discard: "Scancellu su %1 de is brocus?",
   trashTooltip: "Boganci totu is brocus.",
   catLogic: "Lògica",
   catLoops: "Lòrigas",
diff --git a/demos/code/msg/sk.js b/demos/code/msg/sk.js
index 08282ac28..3917df293 100644
--- a/demos/code/msg/sk.js
+++ b/demos/code/msg/sk.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Spustiť program, zložený z dielcov na pracovnej ploche.",
   badCode: "Chyba v programe:\n%1",
   timeout: "Bol prekročený maximálny počet opakovaní.",
-  discard: "Zmazať všetkých %1 dielcov?",
   trashTooltip: "Zahodiť všetky dielce.",
   catLogic: "Logika",
   catLoops: "Cykly",
diff --git a/demos/code/msg/sr.js b/demos/code/msg/sr.js
index cb29673ed..f9a026ca0 100644
--- a/demos/code/msg/sr.js
+++ b/demos/code/msg/sr.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Покрените програм заснован на блоковима у радном простору.",
   badCode: "Грешка у програму:\n%1",
   timeout: "Достигнут је максималан број понављања у извршавању.",
-  discard: "Обрисати %1 блокова?",
   trashTooltip: "Одбаците све блокове.",
   catLogic: "Логика",
   catLoops: "Петље",
diff --git a/demos/code/msg/sv.js b/demos/code/msg/sv.js
index d92e9415e..4134a4c7d 100644
--- a/demos/code/msg/sv.js
+++ b/demos/code/msg/sv.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Kör programmet som definierats av blocken i arbetsytan.",
   badCode: "Programfel:\n%1",
   timeout: "Det maximala antalet utförda loopar har överskridits.",
-  discard: "Radera alla %1 block?",
   trashTooltip: "Släng alla block.",
   catLogic: "Logik",
   catLoops: "Loopar",
diff --git a/demos/code/msg/ta.js b/demos/code/msg/ta.js
index 2be9f9ee3..ff472e2b7 100644
--- a/demos/code/msg/ta.js
+++ b/demos/code/msg/ta.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "பணிமனை நினைவகத்தில் இயக்குக", //Run the program defined by the blocks in the workspace.
   badCode: "கணினி நிரல் கோளாறு:\n%1",
   timeout: "அதிகபட்ச அடுக்கின் அளவை மீரியது", //max iters reached/exceeded
-  discard: "அனைத்து %1 நிரல் துண்டுகளையும் அழிக்கவா??",
   trashTooltip: "நீக்கு",
   catLogic: "தர்க வகை",
   catLoops: "மடக்கு வாக்கியம்",
diff --git a/demos/code/msg/th.js b/demos/code/msg/th.js
index c6c3c2666..1ac36245b 100644
--- a/demos/code/msg/th.js
+++ b/demos/code/msg/th.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "เรียกใช้โปรแกรมตามที่กำหนดไว้ด้วยบล็อกที่อยู่ในพื้นที่ทำงาน",
   badCode: "โปรแกรมเกิดข้อผิดพลาด:\n%1",
   timeout: "โปรแกรมทำงานซ้ำคำสั่งเดิมมากเกินไป",
-  discard: "ต้องการลบบล็อกทั้ง %1 บล็อกใช่หรือไม่?",
   trashTooltip: "ยกเลิกบล็อกทั้งหมด",
   catLogic: "ตรรกะ",
   catLoops: "การวนซ้ำ",
diff --git a/demos/code/msg/tlh.js b/demos/code/msg/tlh.js
index 6347575bb..8d0c056f9 100644
--- a/demos/code/msg/tlh.js
+++ b/demos/code/msg/tlh.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "",
   badCode: "Qagh:\n%1",
   timeout: "tlhoy nI'qu' poH.",
-  discard: "Hoch %1 ngoghmey Qaw'?",
   trashTooltip: "",
   catLogic: "meq",
   catLoops: "vIHtaHbogh ghomey",
diff --git a/demos/code/msg/tr.js b/demos/code/msg/tr.js
index 2cf29b0aa..144830092 100644
--- a/demos/code/msg/tr.js
+++ b/demos/code/msg/tr.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Çalışma alanında bloklar tarafından tanımlanan programını çalıştırın.",
   badCode: "Program hatası:\n %1",
   timeout: "Maksimum yürütme yinelemeleri aşıldı.",
-  discard: "Tüm %1 blok silinsin mi?",
   trashTooltip: "Bütün blokları at.",
   catLogic: "Mantık",
   catLoops: "Döngüler",
diff --git a/demos/code/msg/uk.js b/demos/code/msg/uk.js
index 8e7d6434a..6b3462721 100644
--- a/demos/code/msg/uk.js
+++ b/demos/code/msg/uk.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Запустіть програму, визначену блоками у робочій області.",
   badCode: "Помилка програми:\n%1",
   timeout: "Максимальне виконання ітерацій перевищено.",
-  discard: "Вилучити всі блоки %1?",
   trashTooltip: "Відкинути всі блоки.",
   catLogic: "Логіка",
   catLoops: "Петлі",
diff --git a/demos/code/msg/vi.js b/demos/code/msg/vi.js
index 38be4e562..952d024b4 100644
--- a/demos/code/msg/vi.js
+++ b/demos/code/msg/vi.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "Chạy chương trình.",
   badCode: "'Lỗi chương trình:\n%1",
   timeout: "Đã vượt quá số lần lặp cho phép.",
-  discard: "Xóa hết %1 mảnh?",
   trashTooltip: "Xóa tất cả mọi mảnh.",
   catLogic: "Logic",
   catLoops: "Vòng lặp",
diff --git a/demos/code/msg/zh-hans.js b/demos/code/msg/zh-hans.js
index 37aec45d4..abf8a6589 100644
--- a/demos/code/msg/zh-hans.js
+++ b/demos/code/msg/zh-hans.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "于工作区中运行块所定义的程式。",
   badCode: "程序错误：\n%1",
   timeout: "超过最大执行行数。",
-  discard: "删除所有%1块吗？",
   trashTooltip: "放弃所有块。",
   catLogic: "逻辑",
   catLoops: "循环",
diff --git a/demos/code/msg/zh-hant.js b/demos/code/msg/zh-hant.js
index 1f7211834..48a8b5272 100644
--- a/demos/code/msg/zh-hant.js
+++ b/demos/code/msg/zh-hant.js
@@ -5,7 +5,6 @@ var MSG = {
   runTooltip: "於工作區中執行積木組所定義的程式。",
   badCode: "程式錯誤：\n%1",
   timeout: "超過最大執行數。",
-  discard: "刪除共%1個積木？",
   trashTooltip: "捨棄所有積木。",
   catLogic: "邏輯",
   catLoops: "迴圈",
diff --git a/msg/js/ar.js b/msg/js/ar.js
index fb332b0e0..1989ba870 100644
--- a/msg/js/ar.js
+++ b/msg/js/ar.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "اكرّر حتى";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "اكرّر طالما";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "بما ان القيمة خاطئة, نفّذ بعض الأوامر.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "بما ان القيمة صحيحة, نفّذ بعض الأوامر.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "حذف كل بلوكات %1؟";
 Blockly.Msg.DELETE_BLOCK = "إحذف القطعة";
 Blockly.Msg.DELETE_X_BLOCKS = "إحذف قطع %1";
 Blockly.Msg.DISABLE_BLOCK = "عطّل القطعة";
diff --git a/msg/js/az.js b/msg/js/az.js
index 9a2c4581c..3242bd7c3 100644
--- a/msg/js/az.js
+++ b/msg/js/az.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "təkrar et, ta ki";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "təkrar et, hələ ki";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Hələ ki, qiymət \"yalan\"dır, bəzi əmrləri yerinə yetir.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Hələ ki, qiymət \"doğru\"dur, bəzi əmrləri yerinə yetir.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Bloku sil";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 bloku sil";
 Blockly.Msg.DISABLE_BLOCK = "Bloku söndür";
diff --git a/msg/js/bcc.js b/msg/js/bcc.js
index ac8dad1b8..0ebe78739 100644
--- a/msg/js/bcc.js
+++ b/msg/js/bcc.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "تکرار تا";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "تکرار در حالی که";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "حذف بلوک";
 Blockly.Msg.DELETE_X_BLOCKS = "حذف بلوک‌های %1";
 Blockly.Msg.DISABLE_BLOCK = "غیرفعال‌سازی بلوک";
diff --git a/msg/js/be-tarask.js b/msg/js/be-tarask.js
index 8053fdb5b..d5413c39f 100644
--- a/msg/js/be-tarask.js
+++ b/msg/js/be-tarask.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "паўтараць, пакул
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "паўтараць, пакуль";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Пакуль значэньне хлусьня, выконваць пэўныя апэрацыі.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Пакуль значэньне ісьціна, выконваць пэўныя апэрацыі.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Выдаліць усе блёкі %1?";
 Blockly.Msg.DELETE_BLOCK = "Выдаліць блёк";
 Blockly.Msg.DELETE_X_BLOCKS = "Выдаліць %1 блёкі";
 Blockly.Msg.DISABLE_BLOCK = "Адключыць блёк";
diff --git a/msg/js/bg.js b/msg/js/bg.js
index 0abb7925f..6a18fb631 100644
--- a/msg/js/bg.js
+++ b/msg/js/bg.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "повтаряй докато"
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "повтаряй докато е вярно, че";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Докато стойността е лъжа, изпълнявай командите.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Докато стойността е истина, изпълнявай командите.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Изтрий блок";
 Blockly.Msg.DELETE_X_BLOCKS = "Изтрий %1 блока";
 Blockly.Msg.DISABLE_BLOCK = "Деактивирай блок";
diff --git a/msg/js/bn.js b/msg/js/bn.js
index 482424bc5..3ac3d33e4 100644
--- a/msg/js/bn.js
+++ b/msg/js/bn.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repeat until";  // untranslate
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repeat while";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";  // untranslated
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "ব্লকটি মুছে ফেল";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 ব্লক অপসারণ কর";
 Blockly.Msg.DISABLE_BLOCK = "ব্লকটি বিকল কর";
diff --git a/msg/js/br.js b/msg/js/br.js
index 29da61315..087995506 100644
--- a/msg/js/br.js
+++ b/msg/js/br.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "adober betek";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "adober keit ha ma";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Keit ha ma vez faos un dalvoudenn,seveniñ urzhioù zo neuze.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Keit ha ma vez gwir un dalvoudenn, seveniñ urzhioù zo neuze.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Diverkañ an holl vloc'hoù %1 ?";
 Blockly.Msg.DELETE_BLOCK = "Dilemel ar bloc'h";
 Blockly.Msg.DELETE_X_BLOCKS = "Dilemel %1 bloc'h";
 Blockly.Msg.DISABLE_BLOCK = "Diweredekaat ar bloc'h";
diff --git a/msg/js/ca.js b/msg/js/ca.js
index 7701eef47..186f297f2 100644
--- a/msg/js/ca.js
+++ b/msg/js/ca.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repetir fins que";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repetir mentre";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Mentre un valor sigui fals, llavors executar unes sentències.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Mentre un valor sigui cert, llavors executar unes sentències.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Esborrar els %1 blocs?";
 Blockly.Msg.DELETE_BLOCK = "Esborra bloc";
 Blockly.Msg.DELETE_X_BLOCKS = "Esborra %1 blocs";
 Blockly.Msg.DISABLE_BLOCK = "Desactiva bloc";
diff --git a/msg/js/cs.js b/msg/js/cs.js
index 91e1d6a8b..fcef6014f 100644
--- a/msg/js/cs.js
+++ b/msg/js/cs.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "opakovat dokud";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "opakovat když";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Dokud je hodnota nepravdivá, prováděj určité příkazy.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Dokud je hodnota pravdivá, prováděj určité příkazy.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Odstranit všechny bloky %1?";
 Blockly.Msg.DELETE_BLOCK = "Odstranit blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Odstranit %1 bloky";
 Blockly.Msg.DISABLE_BLOCK = "Zakázat blok";
diff --git a/msg/js/da.js b/msg/js/da.js
index a1032e39b..d247181e8 100644
--- a/msg/js/da.js
+++ b/msg/js/da.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "gentag indtil";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "gentag sålænge";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Udfør nogle kommandoer, sålænge en værdi er falsk.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Udfør nogle kommandoer, sålænge en værdi er sand.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Slet alle %1 blokke?";
 Blockly.Msg.DELETE_BLOCK = "Slet blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Slet %1 blokke";
 Blockly.Msg.DISABLE_BLOCK = "Deaktivér blok";
diff --git a/msg/js/de.js b/msg/js/de.js
index e16b1e22d..81d0b7fae 100644
--- a/msg/js/de.js
+++ b/msg/js/de.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "Wiederhole bis";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "Wiederhole solange";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Führe die Anweisung solange aus wie die Bedingung falsch (false) ist.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Führe die Anweisung solange aus wie die Bedingung wahr (true) ist.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Alle %1 Bausteine löschen?";
 Blockly.Msg.DELETE_BLOCK = "Block löschen";
 Blockly.Msg.DELETE_X_BLOCKS = "Block %1 löschen";
 Blockly.Msg.DISABLE_BLOCK = "Block deaktivieren";
diff --git a/msg/js/el.js b/msg/js/el.js
index 532e5ede9..4623cc7ab 100644
--- a/msg/js/el.js
+++ b/msg/js/el.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "επανάλαβε μέχρι"
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "επανάλαβε ενώ";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Ενόσω μια τιμή είναι ψευδής, τότε εκτελεί κάποιες εντολές.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Ενόσω μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Να διαγραφούν και τα %1 μπλοκ?";
 Blockly.Msg.DELETE_BLOCK = "Διέγραψε Το Μπλοκ";
 Blockly.Msg.DELETE_X_BLOCKS = "Διέγραψε %1 Μπλοκ";
 Blockly.Msg.DISABLE_BLOCK = "Απενεργοποίησε Το Μπλοκ";
diff --git a/msg/js/en.js b/msg/js/en.js
index afbf89b4f..01eece443 100644
--- a/msg/js/en.js
+++ b/msg/js/en.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repeat until";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repeat while";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";
 Blockly.Msg.DELETE_BLOCK = "Delete Block";
 Blockly.Msg.DELETE_X_BLOCKS = "Delete %1 Blocks";
 Blockly.Msg.DISABLE_BLOCK = "Disable Block";
diff --git a/msg/js/es.js b/msg/js/es.js
index 1ba7e1e04..78ce68bcb 100644
--- a/msg/js/es.js
+++ b/msg/js/es.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repetir hasta";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repetir mientras";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Mientras un valor sea falso, entonces hacer algunas declaraciones.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Mientras un valor sea verdadero, entonces hacer algunas declaraciones.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "¿Eliminar todos los bloques %1?";
 Blockly.Msg.DELETE_BLOCK = "Eliminar bloque";
 Blockly.Msg.DELETE_X_BLOCKS = "Eliminar %1 bloques";
 Blockly.Msg.DISABLE_BLOCK = "Desactivar bloque";
diff --git a/msg/js/fa.js b/msg/js/fa.js
index acb08e787..bc9fa2985 100644
--- a/msg/js/fa.js
+++ b/msg/js/fa.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "تکرار تا زمانی ک
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "تکرار در حالی که";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "حذف همهٔ بلاک‌های %1؟";
 Blockly.Msg.DELETE_BLOCK = "حذف بلوک";
 Blockly.Msg.DELETE_X_BLOCKS = "حذف بلوک‌های %1";
 Blockly.Msg.DISABLE_BLOCK = "غیرفعال‌سازی بلوک";
diff --git a/msg/js/fi.js b/msg/js/fi.js
index 7dfe3260a..119936919 100644
--- a/msg/js/fi.js
+++ b/msg/js/fi.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "toista kunnes";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "toista niin kauan kuin";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Niin kauan kuin arvo on epätosi, suorita joukko lausekkeita.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Niin kauan kuin arvo on tosi, suorita joukko lausekkeita.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Poista lohko";
 Blockly.Msg.DELETE_X_BLOCKS = "Poista %1 lohkoa";
 Blockly.Msg.DISABLE_BLOCK = "Passivoi lohko";
diff --git a/msg/js/fr.js b/msg/js/fr.js
index 7aa47b619..a73b60091 100644
--- a/msg/js/fr.js
+++ b/msg/js/fr.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "répéter jusqu’à";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "répéter tant que";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Tant qu’une valeur est fausse, alors exécuter certains ordres.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Tant qu’une valeur est vraie, alors exécuter certains ordres.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Supprimer tous les %1 blocs ?";
 Blockly.Msg.DELETE_BLOCK = "Supprimer le bloc";
 Blockly.Msg.DELETE_X_BLOCKS = "Supprimer %1 blocs";
 Blockly.Msg.DISABLE_BLOCK = "Désactiver le bloc";
diff --git a/msg/js/he.js b/msg/js/he.js
index b8673cae2..69ee95dc8 100644
--- a/msg/js/he.js
+++ b/msg/js/he.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "חזור עד ש...";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "חזור כל עוד";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "בזמן שהערך שווה לשגוי, תעשה מספר חישובים.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "כל עוד הערך הוא אמת, לעשות כמה פעולות.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "האם למחוק את כל %1 קטעי הקוד?";
 Blockly.Msg.DELETE_BLOCK = "מחק קטע קוד";
 Blockly.Msg.DELETE_X_BLOCKS = "מחק %1 קטעי קוד";
 Blockly.Msg.DISABLE_BLOCK = "נטרל קטע קוד";
diff --git a/msg/js/hi.js b/msg/js/hi.js
index de94cdd80..6da60abbe 100644
--- a/msg/js/hi.js
+++ b/msg/js/hi.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "दोहराएँ जब 
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "दोहराएँ जब कि";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "जब तक मान फॉल्स है, तब तक कुछ स्टेट्मेंट्स चलाएँ।";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "जब तक मान ट्रू है, तब तक कुछ स्टेट्मेंट्स चलाएँ।";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "ब्लॉक हटाएँ";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 ब्लॉक हटाएँ";
 Blockly.Msg.DISABLE_BLOCK = "ब्लॉक को अक्षम करें";
diff --git a/msg/js/hrx.js b/msg/js/hrx.js
index 4aee762d9..f0e75c40f 100644
--- a/msg/js/hrx.js
+++ b/msg/js/hrx.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "Repetiere bis";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "Repetier solang";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Füahr die Oonweisung solang aus wie die Bedingung falsch (false) ist.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Füahr die Oonweisung solang aus wie die Bedingung woahr (true) ist.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "All %1 Bausten lösche?";
 Blockly.Msg.DELETE_BLOCK = "Block lösche";
 Blockly.Msg.DELETE_X_BLOCKS = "Block %1 lösche";
 Blockly.Msg.DISABLE_BLOCK = "Block deaktivieren";
diff --git a/msg/js/hu.js b/msg/js/hu.js
index 89488fcc0..eeb576ba2 100644
--- a/msg/js/hu.js
+++ b/msg/js/hu.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ismételd amíg nem";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ismételd amíg";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Amíg a feltétel hamis, végrehajtja az utasításokat.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Amíg a feltétel igaz, végrehajtja az utasításokat.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Az összes %1 blokk törlése?";
 Blockly.Msg.DELETE_BLOCK = "Blokk törlése";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 blokk törlése";
 Blockly.Msg.DISABLE_BLOCK = "Blokk letiltása";
diff --git a/msg/js/ia.js b/msg/js/ia.js
index 2eccaf32e..ad1446909 100644
--- a/msg/js/ia.js
+++ b/msg/js/ia.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repeter usque a";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repeter durante que";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Durante que un valor es false, exequer certe instructiones.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Durante que un valor es ver, exequer certe instructiones.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Deler tote le %1 blocos?";
 Blockly.Msg.DELETE_BLOCK = "Deler bloco";
 Blockly.Msg.DELETE_X_BLOCKS = "Deler %1 blocos";
 Blockly.Msg.DISABLE_BLOCK = "Disactivar bloco";
diff --git a/msg/js/id.js b/msg/js/id.js
index 050574433..df44a08ec 100644
--- a/msg/js/id.js
+++ b/msg/js/id.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "Ulangi sampai";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "Ulangi jika";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Jika sementara nilai tidak  benar (false), maka lakukan beberapa perintah.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Jika sementara nilai benar (true), maka lakukan beberapa perintah.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Hapus Blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Hapus %1 Blok";
 Blockly.Msg.DISABLE_BLOCK = "Nonaktifkan Blok";
diff --git a/msg/js/is.js b/msg/js/is.js
index 9ab93ab48..9fca185f3 100644
--- a/msg/js/is.js
+++ b/msg/js/is.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "endurtaka þar til";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "endurtaka á meðan";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Endurtaka eitthvað á meðan gildi er ósatt.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Endurtaka eitthvað á meðan gildi er satt.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Eyða öllum %1 kubbunum?";
 Blockly.Msg.DELETE_BLOCK = "Eyða kubbi";
 Blockly.Msg.DELETE_X_BLOCKS = "Eyða %1 kubbum";
 Blockly.Msg.DISABLE_BLOCK = "Óvirkja kubb";
diff --git a/msg/js/it.js b/msg/js/it.js
index 954a50bfc..b3cc3ea71 100644
--- a/msg/js/it.js
+++ b/msg/js/it.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ripeti fino a che";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ripeti mentre";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Finché un valore è falso, esegue alcune istruzioni.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Finché un valore è vero, esegue alcune istruzioni.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Cancellare tutti i %1 blocchi?";
 Blockly.Msg.DELETE_BLOCK = "Cancella blocco";
 Blockly.Msg.DELETE_X_BLOCKS = "Cancella %1 blocchi";
 Blockly.Msg.DISABLE_BLOCK = "Disattiva blocco";
diff --git a/msg/js/ja.js b/msg/js/ja.js
index 21f467b2c..c18e9850a 100644
--- a/msg/js/ja.js
+++ b/msg/js/ja.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "までを繰り返します";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "つつその間、繰り返す4";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "値は false のあいだ、いくつかのステートメントを行います。";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "値は true のあいだ、いくつかのステートメントを行います。";
+Blockly.Msg.DELETE_ALL_BLOCKS = "%1 個すべてのブロックを消しますか?";
 Blockly.Msg.DELETE_BLOCK = "ブロックを消す";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 個のブロックを消す";
 Blockly.Msg.DISABLE_BLOCK = "ブロックを無効にします。";
diff --git a/msg/js/ko.js b/msg/js/ko.js
index 2befbb747..9c17e1d39 100644
--- a/msg/js/ko.js
+++ b/msg/js/ko.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "다음까지 반복";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "동안 반복";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "값이 거짓일 때, 몇가지 선언을 합니다.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "값이 참일 때, 몇가지 선언을 합니다.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "모든 블록 %1개를 삭제하겠습니까?";
 Blockly.Msg.DELETE_BLOCK = "블록 삭제";
 Blockly.Msg.DELETE_X_BLOCKS = "블록 %1 삭제";
 Blockly.Msg.DISABLE_BLOCK = "블록 비활성화";
diff --git a/msg/js/lb.js b/msg/js/lb.js
index af1e27338..f1dce6646 100644
--- a/msg/js/lb.js
+++ b/msg/js/lb.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "widderhuele bis";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repeat while";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";  // untranslated
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Block läschen";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 Bléck läschen";
 Blockly.Msg.DISABLE_BLOCK = "Block desaktivéieren";
diff --git a/msg/js/lrc.js b/msg/js/lrc.js
index 0639113af..9a48e971d 100644
--- a/msg/js/lrc.js
+++ b/msg/js/lrc.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "تا تکرار کو";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "تا تکرار کو";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";  // untranslated
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "پاکسا کردن برشت";
 Blockly.Msg.DELETE_X_BLOCKS = "پاکسا کردن%1 د برشتیا";
 Blockly.Msg.DISABLE_BLOCK = "ناکشتگر کردن برشت";
diff --git a/msg/js/lt.js b/msg/js/lt.js
index abf953312..ce28cf8f4 100644
--- a/msg/js/lt.js
+++ b/msg/js/lt.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "kartok, kol pasieksi";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "kartok kol";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Kartoja veiksmus, kol bus pasiekta nurodyta sąlyga.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Kartoja veiksmus, kol sąlyga tenkinama.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Ištrinti bloką";
 Blockly.Msg.DELETE_X_BLOCKS = "Ištrinti %1 blokus";
 Blockly.Msg.DISABLE_BLOCK = "Išjungti bloką";
diff --git a/msg/js/mk.js b/msg/js/mk.js
index 6a5613066..56e064156 100644
--- a/msg/js/mk.js
+++ b/msg/js/mk.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "повторувај сè до
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "повторувај додека";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Додека вредноста е невистинита, исполнува наредби.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Додека вредноста е вистинита, исполнува наредби.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Да ги избришам сите %1 блокчиња?";
 Blockly.Msg.DELETE_BLOCK = "Избриши блок";
 Blockly.Msg.DELETE_X_BLOCKS = "Избриши %1 блока";
 Blockly.Msg.DISABLE_BLOCK = "Исклучи блок";
diff --git a/msg/js/ms.js b/msg/js/ms.js
index 0cf42bc5e..670c671be 100644
--- a/msg/js/ms.js
+++ b/msg/js/ms.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ulangi sehingga";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ulangi apabila";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Lakukan beberapa perintah apabila nilainya palsu (false).";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Lakukan beberapa perintah apabila nilainya benar (true).";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Hapuskan kesemua %1 blok?";
 Blockly.Msg.DELETE_BLOCK = "Hapuskan Blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Hapuskan %1 Blok";
 Blockly.Msg.DISABLE_BLOCK = "Matikan Blok";
diff --git a/msg/js/nb.js b/msg/js/nb.js
index 67562f477..ce376ec69 100644
--- a/msg/js/nb.js
+++ b/msg/js/nb.js
@@ -62,8 +62,9 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "gjenta til";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "gjenta mens";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Så lenge et utsagn ikke stemmer, gjør noen instruksjoner.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Så lenge et utsagn stemmer, utfør noen instruksjoner.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Slett alle %1 blokker?";
 Blockly.Msg.DELETE_BLOCK = "Slett blokk";
-Blockly.Msg.DELETE_X_BLOCKS = "Slett %1 blokk(er)";
+Blockly.Msg.DELETE_X_BLOCKS = "Slett %1 blokker";
 Blockly.Msg.DISABLE_BLOCK = "Deaktiver blokk";
 Blockly.Msg.DUPLICATE_BLOCK = "duplikat";
 Blockly.Msg.ENABLE_BLOCK = "Aktiver blokk";
diff --git a/msg/js/nl.js b/msg/js/nl.js
index a10d9567a..db6e1dbc3 100644
--- a/msg/js/nl.js
+++ b/msg/js/nl.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "herhalen totdat";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "herhalen zolang";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Terwijl een waarde onwaar is de volgende opdrachten uitvoeren.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Terwijl een waarde waar is de volgende opdrachten uitvoeren.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Alle %1 blokken verwijderen?";
 Blockly.Msg.DELETE_BLOCK = "Blok verwijderen";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 blokken verwijderen";
 Blockly.Msg.DISABLE_BLOCK = "Blok uitschakelen";
diff --git a/msg/js/oc.js b/msg/js/oc.js
index c6dd8b767..716657afc 100644
--- a/msg/js/oc.js
+++ b/msg/js/oc.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repetir fins a";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repetir tant que";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";  // untranslated
+Blockly.Msg.DELETE_ALL_BLOCKS = "Suprimir totes los %1 blòts ?";
 Blockly.Msg.DELETE_BLOCK = "Suprimir lo blòt";
 Blockly.Msg.DELETE_X_BLOCKS = "Suprimir %1 blòts";
 Blockly.Msg.DISABLE_BLOCK = "Desactivar lo blòt";
diff --git a/msg/js/pl.js b/msg/js/pl.js
index e51f2fcbd..5148cbc78 100644
--- a/msg/js/pl.js
+++ b/msg/js/pl.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "powtarzaj aż";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "powtarzaj dopóki";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Gdy wartość jest nieprawdziwa, wykonaj kilka instrukcji.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Gdy wartość jest prawdziwa, wykonaj kilka instrukcji.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Usunąć wszystkie %1 bloki?";
 Blockly.Msg.DELETE_BLOCK = "Usuń blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Usunąć %1 bloki(ów)";
 Blockly.Msg.DISABLE_BLOCK = "Wyłącz blok";
diff --git a/msg/js/pms.js b/msg/js/pms.js
index a759e28be..99a2d26fc 100644
--- a/msg/js/pms.js
+++ b/msg/js/pms.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "arpete fin-a a";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "arpete antramentre che";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Cand un valor a l'é fàuss, eseguì chèiche anstrussion.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Cand un valor a l'é ver, eseguì chèiche anstrussion.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Scancelé tuti ij %1 blòch?";
 Blockly.Msg.DELETE_BLOCK = "Scancelé ël blòch";
 Blockly.Msg.DELETE_X_BLOCKS = "Scancelé %1 blòch";
 Blockly.Msg.DISABLE_BLOCK = "Disativé ël blòch";
diff --git a/msg/js/pt-br.js b/msg/js/pt-br.js
index 9fa2e74fb..4a07bc521 100644
--- a/msg/js/pt-br.js
+++ b/msg/js/pt-br.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repita até";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repita enquanto";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Enquanto um valor for falso, então faça algumas instruções.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Enquanto um valor for verdadeiro, então faça algumas instruções.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Apagar todos os %1 blocos?";
 Blockly.Msg.DELETE_BLOCK = "Remover bloco";
 Blockly.Msg.DELETE_X_BLOCKS = "Remover %1 blocos";
 Blockly.Msg.DISABLE_BLOCK = "Desabilitar bloco";
diff --git a/msg/js/pt.js b/msg/js/pt.js
index 8f2e84c07..5e4d56ac1 100644
--- a/msg/js/pt.js
+++ b/msg/js/pt.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repita até";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repita enquanto";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Enquanto um valor for falso, então faça algumas instruções.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Enquanto um valor for verdadeiro, então faça algumas instruções.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Remover Bloco";
 Blockly.Msg.DELETE_X_BLOCKS = "Remover %1 Blocos";
 Blockly.Msg.DISABLE_BLOCK = "Desabilitar Bloco";
diff --git a/msg/js/ro.js b/msg/js/ro.js
index d52c2548b..2d47703f4 100644
--- a/msg/js/ro.js
+++ b/msg/js/ro.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "Repetaţi până când";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repetă în timp ce";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "În timp ce o valoare este adevărat, atunci face unele declaraţii.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "În timp ce o valoare este adevărat, atunci face unele declaraţii.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Ștergi toate cele %1 (de) blocuri?";
 Blockly.Msg.DELETE_BLOCK = "Șterge Bloc";
 Blockly.Msg.DELETE_X_BLOCKS = "Ștergeți %1 Blocuri";
 Blockly.Msg.DISABLE_BLOCK = "Dezactivaţi bloc";
diff --git a/msg/js/ru.js b/msg/js/ru.js
index 96714f7c4..c060ba3b8 100644
--- a/msg/js/ru.js
+++ b/msg/js/ru.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "повторять, пока 
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "повторять, пока";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Пока значение ложно, выполняет команды";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Пока значение истинно, выполняет команды.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Удалить все блоки (%1)?";
 Blockly.Msg.DELETE_BLOCK = "Удалить блок";
 Blockly.Msg.DELETE_X_BLOCKS = "Удалить %1 блоков";
 Blockly.Msg.DISABLE_BLOCK = "Отключить блок";
diff --git a/msg/js/sc.js b/msg/js/sc.js
index 00d7a9eca..113414a61 100644
--- a/msg/js/sc.js
+++ b/msg/js/sc.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "repiti fintzas";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "repiti interis";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Interis su valori est frassu, tandu fai pariga de cumandus.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Interis su valori est berus, tandu fai pariga de cumandus.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Scancellu su %1 de is brocus?";
 Blockly.Msg.DELETE_BLOCK = "Fùlia Blocu";
 Blockly.Msg.DELETE_X_BLOCKS = "Fulia %1 Blocus";
 Blockly.Msg.DISABLE_BLOCK = "Disabìlita Blocu";
diff --git a/msg/js/shn.js b/msg/js/shn.js
index 1f14ed0e0..310d1c64c 100644
--- a/msg/js/shn.js
+++ b/msg/js/shn.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "တိုၵ်ႉလိုမ
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ၶၢဝ်းတိုၵ်ႉလိုမ်ႉ";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) ဢမ်ႇမၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ် ၵမ်ႈၽွင်ႈ";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢၼ်ႇမႅၼ်ႈယဝ်ႉၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ်ၵမ်ႈၽွင်ႈ";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "မွတ်ႇပလွၵ်ႉ";
 Blockly.Msg.DELETE_X_BLOCKS = "မွတ်ႇပလွၵ်ႉ %1";
 Blockly.Msg.DISABLE_BLOCK = "ဢမ်ႇၸၢင်ႈပလွၵ်ႉ";
diff --git a/msg/js/sk.js b/msg/js/sk.js
index f127d8db1..de8b0609a 100644
--- a/msg/js/sk.js
+++ b/msg/js/sk.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "opakuj kým nebude";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "opakuj kým";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Kým je hodnota nepravdivá, vykonávaj príkazy.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Kým je hodnota pravdivá, vykonávaj príkazy.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Zmazať všetkých %1 dielcov?";
 Blockly.Msg.DELETE_BLOCK = "Odstrániť blok";
 Blockly.Msg.DELETE_X_BLOCKS = "Odstrániť %1 blokov";
 Blockly.Msg.DISABLE_BLOCK = "Vypnúť blok";
diff --git a/msg/js/sq.js b/msg/js/sq.js
index 79ccfbcfe..f7f875b0c 100644
--- a/msg/js/sq.js
+++ b/msg/js/sq.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "përsërit derisa";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "përsërit përderisa";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Përderisa një vlerë është e pasaktë, atëherë ekzekuto disa fjali.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Përderisa një vlerë është e saktë, atëherë ekzekuto disa fjali.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "Fshij bllokun";
 Blockly.Msg.DELETE_X_BLOCKS = "Fshij %1 blloqe";
 Blockly.Msg.DISABLE_BLOCK = "Çaktivizo bllokun";
diff --git a/msg/js/sr.js b/msg/js/sr.js
index e903b755c..351b94b6d 100644
--- a/msg/js/sr.js
+++ b/msg/js/sr.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "понављати до";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "понављати док";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Док вредност није тачна, онда извршити неке наредбе.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Док је вредност тачна, онда извршите неке наредбе.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Обрисати %1 блокова?";
 Blockly.Msg.DELETE_BLOCK = "Обриши блок";
 Blockly.Msg.DELETE_X_BLOCKS = "Обриши %1 блокова";
 Blockly.Msg.DISABLE_BLOCK = "Онемогући блок";
diff --git a/msg/js/sv.js b/msg/js/sv.js
index 2944f863e..b75dc7f89 100644
--- a/msg/js/sv.js
+++ b/msg/js/sv.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "upprepa tills";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "upprepa medan";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Medan ett värde är falskt, utför några kommandon.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Medan ett värde är sant, utför några kommandon.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Radera alla %1 block?";
 Blockly.Msg.DELETE_BLOCK = "Radera block";
 Blockly.Msg.DELETE_X_BLOCKS = "Radera %1 block";
 Blockly.Msg.DISABLE_BLOCK = "Inaktivera block";
diff --git a/msg/js/ta.js b/msg/js/ta.js
index 2e3e7458e..096ef5bc5 100644
--- a/msg/js/ta.js
+++ b/msg/js/ta.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "பலமுரை திர
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "பலமுரை திரும்ப செய் (வரை)";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "மாறி பொய் ஆக உள்ள வரை, கட்டளைகளை இயக்கு";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை இயக்கு";
+Blockly.Msg.DELETE_ALL_BLOCKS = "அனைத்து %1 நிரல் துண்டுகளையும் அழிக்கவா??";
 Blockly.Msg.DELETE_BLOCK = "உறுப்பை நீக்கு";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 உறுப்பை நீக்கு";
 Blockly.Msg.DISABLE_BLOCK = "உறுப்பை இயங்காது செய்";
diff --git a/msg/js/tcy.js b/msg/js/tcy.js
index 1c213b925..7da3f42fa 100644
--- a/msg/js/tcy.js
+++ b/msg/js/tcy.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ಬುಕ್ಕೊ ಮುಟ
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ಬುಕ್ಕೊ ಅಂಚನೇ";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "ಈ ತಿರ್ತ್‍ದ ತಪ್ಪಾದುಂಡು, ಬುಕ್ಕೊದ ಕೆಲವು ಹೇಳಿಕೆಲೆನ್ ಮಲ್ಪಪುಲ";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "ಈ ತಿರ್ತ್‌ದ ಸರಿ ಇತ್ತ್ಂಡಲಾ, ಬುಕ್ಕೊದ ಕೆಲವು ಹೇಳಿಕೆಲೆನ್ ಮಲ್ಪುಲ";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "ಮಾಜಯರ ತಡೆಯಾತ್ಂಡ್";
 Blockly.Msg.DELETE_X_BLOCKS = "ಮಾಜಯರ ಶೇಕಡಾ ೧ ತಡೆಯಾತ್ಂಡ್";
 Blockly.Msg.DISABLE_BLOCK = "ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಾದ್ ತಡೆಪತ್ತುನೆ";
diff --git a/msg/js/th.js b/msg/js/th.js
index 74657e856..f603b9cc7 100644
--- a/msg/js/th.js
+++ b/msg/js/th.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ทำซ้ำจนกระ
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ทำซ้ำตราบเท่าที่";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "ตราบเท่าที่ค่าเป็นเท็จ ก็จะทำบางคำสั่ง";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "ตราบเท่าที่ค่าเป็นจริง ก็จะทำบางคำสั่ง";
+Blockly.Msg.DELETE_ALL_BLOCKS = "ต้องการลบบล็อกทั้ง %1 บล็อกใช่หรือไม่?";
 Blockly.Msg.DELETE_BLOCK = "ลบบล็อก";
 Blockly.Msg.DELETE_X_BLOCKS = "ลบ %1 บล็อก";
 Blockly.Msg.DISABLE_BLOCK = "ปิดใช้งานบล็อก";
diff --git a/msg/js/tl.js b/msg/js/tl.js
index 1ba08222b..d3acb1be8 100644
--- a/msg/js/tl.js
+++ b/msg/js/tl.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "ulitin hanggang";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "ulitin habang";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Habang ang value ay false, gagawin ang ibang statements.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Habang ang value ay true, gagawin ang ibang statements.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Delete all %1 blocks?";  // untranslated
 Blockly.Msg.DELETE_BLOCK = "burahin ang bloke";
 Blockly.Msg.DELETE_X_BLOCKS = "burahin %1 ng bloke";
 Blockly.Msg.DISABLE_BLOCK = "Ipangwalang bisa ang Block";
diff --git a/msg/js/tlh.js b/msg/js/tlh.js
index ff985695e..be8c6f651 100644
--- a/msg/js/tlh.js
+++ b/msg/js/tlh.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "teHpa' qaSmoH";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "teHtaHvIS qaSmoH";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "While a value is false, then do some statements.";  // untranslated
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "While a value is true, then do some statements.";  // untranslated
+Blockly.Msg.DELETE_ALL_BLOCKS = "Hoch %1 ngoghmey Qaw'?";
 Blockly.Msg.DELETE_BLOCK = "ngogh Qaw'";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 ngoghmey Qaw'";
 Blockly.Msg.DISABLE_BLOCK = "ngogh Qotlh";
diff --git a/msg/js/tr.js b/msg/js/tr.js
index 0f3646454..5c321ec34 100644
--- a/msg/js/tr.js
+++ b/msg/js/tr.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "kadar tekrarla";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "tekrar ederken";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Bir değer yanlış olduğunda bazı beyanlarda bulun.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Bir değer doğru olduğunda bazı beyanlarda bulun.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Tüm %1 blok silinsin mi?";
 Blockly.Msg.DELETE_BLOCK = "Bloğu Sil";
 Blockly.Msg.DELETE_X_BLOCKS = "%1 Blokları Sil";
 Blockly.Msg.DISABLE_BLOCK = "Bloğu Devre Dışı Bırak";
diff --git a/msg/js/uk.js b/msg/js/uk.js
index 49bb9a396..45ae03dad 100644
--- a/msg/js/uk.js
+++ b/msg/js/uk.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "повторювати, док
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "повторювати поки";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Поки значення хибне, виконувати певні дії.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Поки значення істинне, виконувати певні дії.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Вилучити всі блоки %1?";
 Blockly.Msg.DELETE_BLOCK = "Видалити блок";
 Blockly.Msg.DELETE_X_BLOCKS = "Видалити %1 блоків";
 Blockly.Msg.DISABLE_BLOCK = "Вимкнути блок";
diff --git a/msg/js/vi.js b/msg/js/vi.js
index ba07eddae..6beef725c 100644
--- a/msg/js/vi.js
+++ b/msg/js/vi.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "lặp lại cho đến khi";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "lặp lại trong khi";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "Miễn là điều kiện còn sai, thì thực hiện các lệnh.  Khi điều kiện đúng thì ngưng.";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "Miễn là điều kiện còn đúng, thì thực hiện các lệnh.";
+Blockly.Msg.DELETE_ALL_BLOCKS = "Xóa hết %1 mảnh?";
 Blockly.Msg.DELETE_BLOCK = "Xóa Mảnh Này";
 Blockly.Msg.DELETE_X_BLOCKS = "Xóa %1 Mảnh";
 Blockly.Msg.DISABLE_BLOCK = "Ngưng Tác Dụng";
diff --git a/msg/js/zh-hans.js b/msg/js/zh-hans.js
index a0966cc6b..c0774e79e 100644
--- a/msg/js/zh-hans.js
+++ b/msg/js/zh-hans.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "重复直到";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "重复当";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "只要值为假，执行一些语句。";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "只要值为真，执行一些语句。";
+Blockly.Msg.DELETE_ALL_BLOCKS = "删除所有%1块吗？";
 Blockly.Msg.DELETE_BLOCK = "删除块";
 Blockly.Msg.DELETE_X_BLOCKS = "删除 %1 块";
 Blockly.Msg.DISABLE_BLOCK = "禁用块";
diff --git a/msg/js/zh-hant.js b/msg/js/zh-hant.js
index db7090e82..7aa421025 100644
--- a/msg/js/zh-hant.js
+++ b/msg/js/zh-hant.js
@@ -62,6 +62,7 @@ Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL = "重複 直到";
 Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE = "重複 當";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL = "當值為否時，執行一些語句";
 Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE = "當值為真時，執行一些語句";
+Blockly.Msg.DELETE_ALL_BLOCKS = "刪除共%1個積木？";
 Blockly.Msg.DELETE_BLOCK = "刪除積木";
 Blockly.Msg.DELETE_X_BLOCKS = "刪除 %1 塊積木";
 Blockly.Msg.DISABLE_BLOCK = "停用積木";
diff --git a/msg/json/ar.json b/msg/json/ar.json
index 2d0ff1060..3afd05a1e 100644
--- a/msg/json/ar.json
+++ b/msg/json/ar.json
@@ -14,6 +14,7 @@
 	"INLINE_INPUTS": "ادخال خطي",
 	"DELETE_BLOCK": "إحذف القطعة",
 	"DELETE_X_BLOCKS": "إحذف قطع %1",
+	"DELETE_ALL_BLOCKS": "حذف كل بلوكات %1؟",
 	"COLLAPSE_BLOCK": "إخفاء القطعة",
 	"COLLAPSE_ALL": "إخفاء القطع",
 	"EXPAND_BLOCK": "وسٌّع القطعة",
diff --git a/msg/json/be-tarask.json b/msg/json/be-tarask.json
index cf8599e1c..dd94e0c0d 100644
--- a/msg/json/be-tarask.json
+++ b/msg/json/be-tarask.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Унутраныя ўваходы",
 	"DELETE_BLOCK": "Выдаліць блёк",
 	"DELETE_X_BLOCKS": "Выдаліць %1 блёкі",
+	"DELETE_ALL_BLOCKS": "Выдаліць усе блёкі %1?",
 	"CLEAN_UP": "Ачысьціць блёкі",
 	"COLLAPSE_BLOCK": "Згарнуць блёк",
 	"COLLAPSE_ALL": "Згарнуць блёкі",
diff --git a/msg/json/br.json b/msg/json/br.json
index e036d121a..cc3169326 100644
--- a/msg/json/br.json
+++ b/msg/json/br.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Monedoù enlinenn",
 	"DELETE_BLOCK": "Dilemel ar bloc'h",
 	"DELETE_X_BLOCKS": "Dilemel %1 bloc'h",
+	"DELETE_ALL_BLOCKS": "Diverkañ an holl vloc'hoù %1 ?",
 	"COLLAPSE_BLOCK": "Bihanaat ar bloc'h",
 	"COLLAPSE_ALL": "Bihanaat ar bloc'hoù",
 	"EXPAND_BLOCK": "Astenn ar bloc'h",
diff --git a/msg/json/ca.json b/msg/json/ca.json
index f6167e9dc..4cd96ce5d 100644
--- a/msg/json/ca.json
+++ b/msg/json/ca.json
@@ -14,6 +14,7 @@
 	"INLINE_INPUTS": "Entrades en línia",
 	"DELETE_BLOCK": "Esborra bloc",
 	"DELETE_X_BLOCKS": "Esborra %1 blocs",
+	"DELETE_ALL_BLOCKS": "Esborrar els %1 blocs?",
 	"COLLAPSE_BLOCK": "Contraure bloc",
 	"COLLAPSE_ALL": "Contraure blocs",
 	"EXPAND_BLOCK": "Expandir bloc",
diff --git a/msg/json/cs.json b/msg/json/cs.json
index a97f63d23..4a6222ae3 100644
--- a/msg/json/cs.json
+++ b/msg/json/cs.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "Vložené vstupy",
 	"DELETE_BLOCK": "Odstranit blok",
 	"DELETE_X_BLOCKS": "Odstranit %1 bloky",
+	"DELETE_ALL_BLOCKS": "Odstranit všechny bloky %1?",
 	"COLLAPSE_BLOCK": "Skrýt blok",
 	"COLLAPSE_ALL": "Skrýt bloky",
 	"EXPAND_BLOCK": "Rozbalení bloku",
diff --git a/msg/json/da.json b/msg/json/da.json
index ba9bcb77f..5d2fbe570 100644
--- a/msg/json/da.json
+++ b/msg/json/da.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Indlejrede inputs",
 	"DELETE_BLOCK": "Slet blok",
 	"DELETE_X_BLOCKS": "Slet %1 blokke",
+	"DELETE_ALL_BLOCKS": "Slet alle %1 blokke?",
 	"COLLAPSE_BLOCK": "Fold blokken sammen",
 	"COLLAPSE_ALL": "Fold blokkene sammen",
 	"EXPAND_BLOCK": "Fold blokken ud",
diff --git a/msg/json/de.json b/msg/json/de.json
index e8df3245c..53db0a8a6 100644
--- a/msg/json/de.json
+++ b/msg/json/de.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "interne Eingänge",
 	"DELETE_BLOCK": "Block löschen",
 	"DELETE_X_BLOCKS": "Block %1 löschen",
+	"DELETE_ALL_BLOCKS": "Alle %1 Bausteine löschen?",
 	"CLEAN_UP": "Blöcke aufräumen",
 	"COLLAPSE_BLOCK": "Block zusammenfalten",
 	"COLLAPSE_ALL": "Alle Blöcke zusammenfalten",
diff --git a/msg/json/el.json b/msg/json/el.json
index 8bb1b4867..50d55e190 100644
--- a/msg/json/el.json
+++ b/msg/json/el.json
@@ -20,6 +20,7 @@
 	"INLINE_INPUTS": "Εσωτερικές Είσοδοι",
 	"DELETE_BLOCK": "Διέγραψε Το Μπλοκ",
 	"DELETE_X_BLOCKS": "Διέγραψε %1 Μπλοκ",
+	"DELETE_ALL_BLOCKS": "Να διαγραφούν και τα %1 μπλοκ?",
 	"COLLAPSE_BLOCK": "Σύμπτυξε Το Μπλοκ",
 	"COLLAPSE_ALL": "Σύμπτυξτε Όλα Τα Μπλοκ",
 	"EXPAND_BLOCK": "Επέκτεινε Το Μπλοκ",
diff --git a/msg/json/en.json b/msg/json/en.json
index a57b6fecc..09485d8c5 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2015-10-09 19:19:49.745918",
+		"lastupdated": "2015-12-02 17:58:14.123458",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
@@ -14,6 +14,7 @@
 	"INLINE_INPUTS": "Inline Inputs",
 	"DELETE_BLOCK": "Delete Block",
 	"DELETE_X_BLOCKS": "Delete %1 Blocks",
+	"DELETE_ALL_BLOCKS": "Delete all %1 blocks?",
 	"CLEAN_UP": "Clean up Blocks",
 	"COLLAPSE_BLOCK": "Collapse Block",
 	"COLLAPSE_ALL": "Collapse Blocks",
diff --git a/msg/json/es.json b/msg/json/es.json
index 08342e46b..191e2e076 100644
--- a/msg/json/es.json
+++ b/msg/json/es.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "Entradas en línea",
 	"DELETE_BLOCK": "Eliminar bloque",
 	"DELETE_X_BLOCKS": "Eliminar %1 bloques",
+	"DELETE_ALL_BLOCKS": "¿Eliminar todos los bloques %1?",
 	"CLEAN_UP": "Limpiar los bloques",
 	"COLLAPSE_BLOCK": "Contraer bloque",
 	"COLLAPSE_ALL": "Contraer bloques",
diff --git a/msg/json/fa.json b/msg/json/fa.json
index 43f7c29c3..6b4d24f8c 100644
--- a/msg/json/fa.json
+++ b/msg/json/fa.json
@@ -18,6 +18,7 @@
 	"INLINE_INPUTS": "ورودی‌های درون خطی",
 	"DELETE_BLOCK": "حذف بلوک",
 	"DELETE_X_BLOCKS": "حذف بلوک‌های %1",
+	"DELETE_ALL_BLOCKS": "حذف همهٔ بلاک‌های %1؟",
 	"COLLAPSE_BLOCK": "فروپاشی بلوک",
 	"COLLAPSE_ALL": "فروپاشی بلوک‌ها",
 	"EXPAND_BLOCK": "گسترش بلوک",
diff --git a/msg/json/fr.json b/msg/json/fr.json
index 8a6772e6b..eb0e3ec6d 100644
--- a/msg/json/fr.json
+++ b/msg/json/fr.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "Entrées en ligne",
 	"DELETE_BLOCK": "Supprimer le bloc",
 	"DELETE_X_BLOCKS": "Supprimer %1 blocs",
+	"DELETE_ALL_BLOCKS": "Supprimer tous les %1 blocs ?",
 	"CLEAN_UP": "Nettoyer les blocs",
 	"COLLAPSE_BLOCK": "Réduire le bloc",
 	"COLLAPSE_ALL": "Réduire les blocs",
diff --git a/msg/json/he.json b/msg/json/he.json
index f0d260bc8..8dd1bbd89 100644
--- a/msg/json/he.json
+++ b/msg/json/he.json
@@ -21,6 +21,7 @@
 	"INLINE_INPUTS": "קלטים פנימיים",
 	"DELETE_BLOCK": "מחק קטע קוד",
 	"DELETE_X_BLOCKS": "מחק %1 קטעי קוד",
+	"DELETE_ALL_BLOCKS": "האם למחוק את כל %1 קטעי הקוד?",
 	"COLLAPSE_BLOCK": "צמצם קטע קוד",
 	"COLLAPSE_ALL": "צמצם קטעי קוד",
 	"EXPAND_BLOCK": "הרחב קטע קוד",
diff --git a/msg/json/hrx.json b/msg/json/hrx.json
index 61748a5fe..39a3f37ad 100644
--- a/msg/json/hrx.json
+++ b/msg/json/hrx.json
@@ -12,6 +12,7 @@
 	"INLINE_INPUTS": "interne Ingänge",
 	"DELETE_BLOCK": "Block lösche",
 	"DELETE_X_BLOCKS": "Block %1 lösche",
+	"DELETE_ALL_BLOCKS": "All %1 Bausten lösche?",
 	"COLLAPSE_BLOCK": "Block zusammerfalte",
 	"COLLAPSE_ALL": "Blocke zusammerfalte",
 	"EXPAND_BLOCK": "Block entfalte",
diff --git a/msg/json/hu.json b/msg/json/hu.json
index 9cf6fe18f..1eabaf104 100644
--- a/msg/json/hu.json
+++ b/msg/json/hu.json
@@ -21,6 +21,7 @@
 	"INLINE_INPUTS": "Belső kapcsolatok",
 	"DELETE_BLOCK": "Blokk törlése",
 	"DELETE_X_BLOCKS": "%1 blokk törlése",
+	"DELETE_ALL_BLOCKS": "Az összes %1 blokk törlése?",
 	"COLLAPSE_BLOCK": "Blokk összecsukása",
 	"COLLAPSE_ALL": "Blokkok összecsukása",
 	"EXPAND_BLOCK": "Blokk kibontása",
diff --git a/msg/json/ia.json b/msg/json/ia.json
index 71174bc12..a0324f702 100644
--- a/msg/json/ia.json
+++ b/msg/json/ia.json
@@ -12,6 +12,7 @@
 	"INLINE_INPUTS": "Entrata interne",
 	"DELETE_BLOCK": "Deler bloco",
 	"DELETE_X_BLOCKS": "Deler %1 blocos",
+	"DELETE_ALL_BLOCKS": "Deler tote le %1 blocos?",
 	"COLLAPSE_BLOCK": "Plicar bloco",
 	"COLLAPSE_ALL": "Plicar blocos",
 	"EXPAND_BLOCK": "Displicar bloco",
diff --git a/msg/json/is.json b/msg/json/is.json
index 0a3235dad..9d67725af 100644
--- a/msg/json/is.json
+++ b/msg/json/is.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Innri inntök",
 	"DELETE_BLOCK": "Eyða kubbi",
 	"DELETE_X_BLOCKS": "Eyða %1 kubbum",
+	"DELETE_ALL_BLOCKS": "Eyða öllum %1 kubbunum?",
 	"COLLAPSE_BLOCK": "Loka kubbi",
 	"COLLAPSE_ALL": "Loka kubbum",
 	"EXPAND_BLOCK": "Opna kubb",
diff --git a/msg/json/it.json b/msg/json/it.json
index e5c72d8d4..2fa1238c4 100644
--- a/msg/json/it.json
+++ b/msg/json/it.json
@@ -18,6 +18,7 @@
 	"INLINE_INPUTS": "Ingressi in linea",
 	"DELETE_BLOCK": "Cancella blocco",
 	"DELETE_X_BLOCKS": "Cancella %1 blocchi",
+	"DELETE_ALL_BLOCKS": "Cancellare tutti i %1 blocchi?",
 	"CLEAN_UP": "Pulisci i blocchi",
 	"COLLAPSE_BLOCK": "Comprimi blocco",
 	"COLLAPSE_ALL": "Comprimi blocchi",
diff --git a/msg/json/ja.json b/msg/json/ja.json
index 60610e0c9..57c33ce00 100644
--- a/msg/json/ja.json
+++ b/msg/json/ja.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "インライン入力",
 	"DELETE_BLOCK": "ブロックを消す",
 	"DELETE_X_BLOCKS": "%1 個のブロックを消す",
+	"DELETE_ALL_BLOCKS": "%1 個すべてのブロックを消しますか?",
 	"CLEAN_UP": "ブロックの整理",
 	"COLLAPSE_BLOCK": "ブロックを折りたたむ",
 	"COLLAPSE_ALL": "ブロックを折りたたむ",
diff --git a/msg/json/ko.json b/msg/json/ko.json
index a499ba10d..f0d147d01 100644
--- a/msg/json/ko.json
+++ b/msg/json/ko.json
@@ -19,6 +19,7 @@
 	"INLINE_INPUTS": "내부 입력",
 	"DELETE_BLOCK": "블록 삭제",
 	"DELETE_X_BLOCKS": "블록 %1 삭제",
+	"DELETE_ALL_BLOCKS": "모든 블록 %1개를 삭제하겠습니까?",
 	"COLLAPSE_BLOCK": "블록 축소",
 	"COLLAPSE_ALL": "블록 축소",
 	"EXPAND_BLOCK": "블록 확장",
diff --git a/msg/json/mk.json b/msg/json/mk.json
index ed1d2d136..4cb890cf0 100644
--- a/msg/json/mk.json
+++ b/msg/json/mk.json
@@ -12,6 +12,7 @@
 	"INLINE_INPUTS": "Внатрешен внос",
 	"DELETE_BLOCK": "Избриши блок",
 	"DELETE_X_BLOCKS": "Избриши %1 блока",
+	"DELETE_ALL_BLOCKS": "Да ги избришам сите %1 блокчиња?",
 	"COLLAPSE_BLOCK": "Собери блок",
 	"COLLAPSE_ALL": "Собери блокови",
 	"EXPAND_BLOCK": "Рашири го блокови",
diff --git a/msg/json/ms.json b/msg/json/ms.json
index 092276abf..2ee094a97 100644
--- a/msg/json/ms.json
+++ b/msg/json/ms.json
@@ -14,6 +14,7 @@
 	"INLINE_INPUTS": "Input Sebaris",
 	"DELETE_BLOCK": "Hapuskan Blok",
 	"DELETE_X_BLOCKS": "Hapuskan %1 Blok",
+	"DELETE_ALL_BLOCKS": "Hapuskan kesemua %1 blok?",
 	"COLLAPSE_BLOCK": "Lipat Blok",
 	"COLLAPSE_ALL": "Lipat Blok²",
 	"EXPAND_BLOCK": "Buka Blok",
diff --git a/msg/json/nb.json b/msg/json/nb.json
index 1283be5ce..9deec013e 100644
--- a/msg/json/nb.json
+++ b/msg/json/nb.json
@@ -14,7 +14,8 @@
 	"EXTERNAL_INPUTS": "Eksterne kilder",
 	"INLINE_INPUTS": "Interne kilder",
 	"DELETE_BLOCK": "Slett blokk",
-	"DELETE_X_BLOCKS": "Slett %1 blokk(er)",
+	"DELETE_X_BLOCKS": "Slett %1 blokker",
+	"DELETE_ALL_BLOCKS": "Slett alle %1 blokker?",
 	"COLLAPSE_BLOCK": "Skjul blokk",
 	"COLLAPSE_ALL": "Skjul blokker",
 	"EXPAND_BLOCK": "Utvid blokk",
diff --git a/msg/json/nl.json b/msg/json/nl.json
index 7b3cb0b91..4ed0e2aea 100644
--- a/msg/json/nl.json
+++ b/msg/json/nl.json
@@ -18,6 +18,7 @@
 	"INLINE_INPUTS": "Inline invoer",
 	"DELETE_BLOCK": "Blok verwijderen",
 	"DELETE_X_BLOCKS": "%1 blokken verwijderen",
+	"DELETE_ALL_BLOCKS": "Alle %1 blokken verwijderen?",
 	"CLEAN_UP": "Blokken opschonen",
 	"COLLAPSE_BLOCK": "Blok inklappen",
 	"COLLAPSE_ALL": "Blokken inklappen",
diff --git a/msg/json/oc.json b/msg/json/oc.json
index 1532f3a4e..1e505fe20 100644
--- a/msg/json/oc.json
+++ b/msg/json/oc.json
@@ -12,6 +12,7 @@
 	"INLINE_INPUTS": "Entradas en linha",
 	"DELETE_BLOCK": "Suprimir lo blòt",
 	"DELETE_X_BLOCKS": "Suprimir %1 blòts",
+	"DELETE_ALL_BLOCKS": "Suprimir totes los %1 blòts ?",
 	"COLLAPSE_BLOCK": "Redusir lo blòt",
 	"COLLAPSE_ALL": "Redusir los blòts",
 	"EXPAND_BLOCK": "Desvolopar lo blòt",
diff --git a/msg/json/pl.json b/msg/json/pl.json
index 8f7f8ffda..6815f4648 100644
--- a/msg/json/pl.json
+++ b/msg/json/pl.json
@@ -20,6 +20,7 @@
 	"INLINE_INPUTS": "Wbudowane wejscia",
 	"DELETE_BLOCK": "Usuń blok",
 	"DELETE_X_BLOCKS": "Usunąć %1 bloki(ów)",
+	"DELETE_ALL_BLOCKS": "Usunąć wszystkie %1 bloki?",
 	"COLLAPSE_BLOCK": "Zwiń blok",
 	"COLLAPSE_ALL": "Zwiń bloki",
 	"EXPAND_BLOCK": "Rozwiń blok",
diff --git a/msg/json/pms.json b/msg/json/pms.json
index 2ab9301ce..84ae288a7 100644
--- a/msg/json/pms.json
+++ b/msg/json/pms.json
@@ -13,6 +13,7 @@
 	"INLINE_INPUTS": "Imission an linia",
 	"DELETE_BLOCK": "Scancelé ël blòch",
 	"DELETE_X_BLOCKS": "Scancelé %1 blòch",
+	"DELETE_ALL_BLOCKS": "Scancelé tuti ij %1 blòch?",
 	"CLEAN_UP": "Dëscancelé ij blòch",
 	"COLLAPSE_BLOCK": "Arduve ël blòch",
 	"COLLAPSE_ALL": "Arduve ij blòch",
diff --git a/msg/json/pt-br.json b/msg/json/pt-br.json
index 8b5a6eec7..b0b8feb2e 100644
--- a/msg/json/pt-br.json
+++ b/msg/json/pt-br.json
@@ -23,6 +23,7 @@
 	"INLINE_INPUTS": "Entradas incorporadas",
 	"DELETE_BLOCK": "Remover bloco",
 	"DELETE_X_BLOCKS": "Remover %1 blocos",
+	"DELETE_ALL_BLOCKS": "Apagar todos os %1 blocos?",
 	"CLEAN_UP": "Limpar blocos",
 	"COLLAPSE_BLOCK": "Recolher bloco",
 	"COLLAPSE_ALL": "Recolher blocos",
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index 7a64af91f..47e103089 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -1,11 +1,4 @@
 {
-	"@metadata": {
-		"authors": [
-			"Espertus",
-			"Liuxinyu970226",
-			"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 - Botton 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}}",
@@ -15,6 +8,7 @@
 	"INLINE_INPUTS": "context menu - Change from 'internal' to 'external' mode for displaying blocks used as inputs to the selected block.  See [[Translating:Blockly#context_menus]].",
 	"DELETE_BLOCK": "context menu - Permanently delete the selected block.",
 	"DELETE_X_BLOCKS": "context menu - Permanently delete the %1 selected blocks.\n\nParameters:\n* %1 - an integer greater than 1.",
+	"DELETE_ALL_BLOCKS": "confirmation prompt - Question the user if they really wanted to permanently delete all %1 blocks.\n\nParameters:\n* %1 - an integer greater than 1.",
 	"CLEAN_UP": "context menu - Reposition all the blocks so that they form a neat line.",
 	"COLLAPSE_BLOCK": "context menu - Make the appearance of the selected block smaller by hiding some information about it.",
 	"COLLAPSE_ALL": "context menu - Make the appearance of all blocks smaller by hiding some information about it.  Use the same terminology as in the previous message.",
diff --git a/msg/json/ro.json b/msg/json/ro.json
index 3fdc6e7b5..b3ad25bdb 100644
--- a/msg/json/ro.json
+++ b/msg/json/ro.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "Intrări în linie",
 	"DELETE_BLOCK": "Șterge Bloc",
 	"DELETE_X_BLOCKS": "Ștergeți %1 Blocuri",
+	"DELETE_ALL_BLOCKS": "Ștergi toate cele %1 (de) blocuri?",
 	"COLLAPSE_BLOCK": "Restrange blocul",
 	"COLLAPSE_ALL": "Restrange blocurile",
 	"EXPAND_BLOCK": "Extinde bloc",
diff --git a/msg/json/ru.json b/msg/json/ru.json
index 0b936ed1d..1937d594f 100644
--- a/msg/json/ru.json
+++ b/msg/json/ru.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "Вставки внутри",
 	"DELETE_BLOCK": "Удалить блок",
 	"DELETE_X_BLOCKS": "Удалить %1 блоков",
+	"DELETE_ALL_BLOCKS": "Удалить все блоки (%1)?",
 	"CLEAN_UP": "Убрать блоки",
 	"COLLAPSE_BLOCK": "Свернуть блок",
 	"COLLAPSE_ALL": "Свернуть блоки",
diff --git a/msg/json/sc.json b/msg/json/sc.json
index 596788640..1a09218a9 100644
--- a/msg/json/sc.json
+++ b/msg/json/sc.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Intradas in lìnia",
 	"DELETE_BLOCK": "Fùlia Blocu",
 	"DELETE_X_BLOCKS": "Fulia %1 Blocus",
+	"DELETE_ALL_BLOCKS": "Scancellu su %1 de is brocus?",
 	"COLLAPSE_BLOCK": "Serra e astringhe Blocu",
 	"COLLAPSE_ALL": "Serra e astringhe Boocos",
 	"EXPAND_BLOCK": "Aberi Blocu",
diff --git a/msg/json/sk.json b/msg/json/sk.json
index 5be412a6b..c4f920cba 100644
--- a/msg/json/sk.json
+++ b/msg/json/sk.json
@@ -15,6 +15,7 @@
 	"INLINE_INPUTS": "Riadkové vstupy",
 	"DELETE_BLOCK": "Odstrániť blok",
 	"DELETE_X_BLOCKS": "Odstrániť %1 blokov",
+	"DELETE_ALL_BLOCKS": "Zmazať všetkých %1 dielcov?",
 	"COLLAPSE_BLOCK": "Zvinúť blok",
 	"COLLAPSE_ALL": "Zvinúť bloky",
 	"EXPAND_BLOCK": "Rozvinúť blok",
diff --git a/msg/json/sr.json b/msg/json/sr.json
index 6c7194347..dc36013d3 100644
--- a/msg/json/sr.json
+++ b/msg/json/sr.json
@@ -13,6 +13,7 @@
 	"INLINE_INPUTS": "Унутрашњи улази",
 	"DELETE_BLOCK": "Обриши блок",
 	"DELETE_X_BLOCKS": "Обриши %1 блокова",
+	"DELETE_ALL_BLOCKS": "Обрисати %1 блокова?",
 	"COLLAPSE_BLOCK": "Скупи блок",
 	"COLLAPSE_ALL": "Скупи блокове",
 	"EXPAND_BLOCK": "Прошири блок",
diff --git a/msg/json/sv.json b/msg/json/sv.json
index 8a8c4e140..f3077eb1f 100644
--- a/msg/json/sv.json
+++ b/msg/json/sv.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "Radinmatning",
 	"DELETE_BLOCK": "Radera block",
 	"DELETE_X_BLOCKS": "Radera %1 block",
+	"DELETE_ALL_BLOCKS": "Radera alla %1 block?",
 	"CLEAN_UP": "Rada upp block",
 	"COLLAPSE_BLOCK": "Fäll ihop block",
 	"COLLAPSE_ALL": "Fäll ihop block",
diff --git a/msg/json/ta.json b/msg/json/ta.json
index 2383ac44d..03b31352e 100644
--- a/msg/json/ta.json
+++ b/msg/json/ta.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "சூழமைவில் உள்ளீடு",
 	"DELETE_BLOCK": "உறுப்பை நீக்கு",
 	"DELETE_X_BLOCKS": "%1 உறுப்பை நீக்கு",
+	"DELETE_ALL_BLOCKS": "அனைத்து %1 நிரல் துண்டுகளையும் அழிக்கவா??",
 	"COLLAPSE_BLOCK": "உறுப்பை மரை",
 	"COLLAPSE_ALL": "உறுப்புகளை மரை",
 	"EXPAND_BLOCK": "உறுப்பை காட்டு",
diff --git a/msg/json/th.json b/msg/json/th.json
index 17780ccc9..5041fb8ed 100644
--- a/msg/json/th.json
+++ b/msg/json/th.json
@@ -14,6 +14,7 @@
 	"INLINE_INPUTS": "อินพุตในบรรทัด",
 	"DELETE_BLOCK": "ลบบล็อก",
 	"DELETE_X_BLOCKS": "ลบ %1 บล็อก",
+	"DELETE_ALL_BLOCKS": "ต้องการลบบล็อกทั้ง %1 บล็อกใช่หรือไม่?",
 	"COLLAPSE_BLOCK": "ย่อบล็อก",
 	"COLLAPSE_ALL": "ย่อบล็อก",
 	"EXPAND_BLOCK": "ขยายบล็อก",
diff --git a/msg/json/tlh.json b/msg/json/tlh.json
index be9cfe665..632dd2bfd 100644
--- a/msg/json/tlh.json
+++ b/msg/json/tlh.json
@@ -13,6 +13,7 @@
 	"INLINE_INPUTS": "qoD rar",
 	"DELETE_BLOCK": "ngogh Qaw'",
 	"DELETE_X_BLOCKS": "%1 ngoghmey Qaw'",
+	"DELETE_ALL_BLOCKS": "Hoch %1 ngoghmey Qaw'?",
 	"COLLAPSE_BLOCK": "ngogh DejmoH",
 	"COLLAPSE_ALL": "ngoghmey DejmoH",
 	"EXPAND_BLOCK": "ngogh DejHa'moH",
diff --git a/msg/json/tr.json b/msg/json/tr.json
index 0677fb81c..fc23c6f84 100644
--- a/msg/json/tr.json
+++ b/msg/json/tr.json
@@ -20,6 +20,7 @@
 	"INLINE_INPUTS": "Satır içi girdiler",
 	"DELETE_BLOCK": "Bloğu Sil",
 	"DELETE_X_BLOCKS": "%1 Blokları Sil",
+	"DELETE_ALL_BLOCKS": "Tüm %1 blok silinsin mi?",
 	"CLEAN_UP": "Blokları temizle",
 	"COLLAPSE_BLOCK": "Blok'u Daralt",
 	"COLLAPSE_ALL": "Blokları Daralt",
diff --git a/msg/json/uk.json b/msg/json/uk.json
index 277a5b92e..d7586bb7b 100644
--- a/msg/json/uk.json
+++ b/msg/json/uk.json
@@ -17,6 +17,7 @@
 	"INLINE_INPUTS": "Вбудовані входи",
 	"DELETE_BLOCK": "Видалити блок",
 	"DELETE_X_BLOCKS": "Видалити %1 блоків",
+	"DELETE_ALL_BLOCKS": "Вилучити всі блоки %1?",
 	"COLLAPSE_BLOCK": "Згорнути блок",
 	"COLLAPSE_ALL": "Згорнути блоки",
 	"EXPAND_BLOCK": "Розгорнути блок",
diff --git a/msg/json/vi.json b/msg/json/vi.json
index 8fbe00167..ecf1e23fa 100644
--- a/msg/json/vi.json
+++ b/msg/json/vi.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "Chỗ Gắn Cùng Dòng",
 	"DELETE_BLOCK": "Xóa Mảnh Này",
 	"DELETE_X_BLOCKS": "Xóa %1 Mảnh",
+	"DELETE_ALL_BLOCKS": "Xóa hết %1 mảnh?",
 	"COLLAPSE_BLOCK": "Thu Nhỏ Mảnh",
 	"COLLAPSE_ALL": "Thu Nhỏ Mọi Mảnh",
 	"EXPAND_BLOCK": "Mở Lớn Mảnh",
diff --git a/msg/json/zh-hans.json b/msg/json/zh-hans.json
index a075c4bcb..e77f9f118 100644
--- a/msg/json/zh-hans.json
+++ b/msg/json/zh-hans.json
@@ -19,6 +19,7 @@
 	"INLINE_INPUTS": "单行输入",
 	"DELETE_BLOCK": "删除块",
 	"DELETE_X_BLOCKS": "删除 %1 块",
+	"DELETE_ALL_BLOCKS": "删除所有%1块吗？",
 	"CLEAN_UP": "清理块",
 	"COLLAPSE_BLOCK": "折叠块",
 	"COLLAPSE_ALL": "折叠块",
diff --git a/msg/json/zh-hant.json b/msg/json/zh-hant.json
index c54e0b424..3429d32d1 100644
--- a/msg/json/zh-hant.json
+++ b/msg/json/zh-hant.json
@@ -16,6 +16,7 @@
 	"INLINE_INPUTS": "單行輸入",
 	"DELETE_BLOCK": "刪除積木",
 	"DELETE_X_BLOCKS": "刪除 %1 塊積木",
+	"DELETE_ALL_BLOCKS": "刪除共%1個積木？",
 	"COLLAPSE_BLOCK": "收合積木",
 	"COLLAPSE_ALL": "收合積木",
 	"EXPAND_BLOCK": "展開積木",
diff --git a/msg/messages.js b/msg/messages.js
index 47fb47773..564e0f781 100644
--- a/msg/messages.js
+++ b/msg/messages.js
@@ -70,6 +70,8 @@ Blockly.Msg.INLINE_INPUTS = 'Inline Inputs';
 Blockly.Msg.DELETE_BLOCK = 'Delete Block';
 /// context menu - Permanently delete the %1 selected blocks.\n\nParameters:\n* %1 - an integer greater than 1.
 Blockly.Msg.DELETE_X_BLOCKS = 'Delete %1 Blocks';
+/// confirmation prompt - Question the user if they really wanted to permanently delete all %1 blocks.\n\nParameters:\n* %1 - an integer greater than 1.
+Blockly.Msg.DELETE_ALL_BLOCKS = 'Delete all %1 blocks?';
 /// context menu - Reposition all the blocks so that they form a neat line.
 Blockly.Msg.CLEAN_UP = 'Clean up Blocks';
 /// context menu - Make the appearance of the selected block smaller by hiding some information about it.