From 7a92facc3a4e0c7fb05999cb38050a20711a0378 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Wed, 13 Jul 2016 16:58:43 -0700
Subject: [PATCH 01/17] Fix angle field.

---
 core/field_angle.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/field_angle.js b/core/field_angle.js
index 9cb5675f4..422191730 100644
--- a/core/field_angle.js
+++ b/core/field_angle.js
@@ -205,7 +205,7 @@ Blockly.FieldAngle.prototype.onMouseMove = function(e) {
     angle = Math.round(angle / Blockly.FieldAngle.ROUND) *
         Blockly.FieldAngle.ROUND;
   }
-  angle = Blockly.FieldAngle.angleValidator(angle);
+  angle = Blockly.FieldAngle.classValidator(angle);
   Blockly.FieldTextInput.htmlInput_.value = angle;
   this.setValue(angle);
   this.validate_();

From 85f2ae87619c04b234479f8e9da290a3a7483f43 Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Thu, 14 Jul 2016 11:50:05 -0700
Subject: [PATCH 02/17] Set active descendant correctly for toolbox tree.
 Change roles to 'tree' where appropriate.

---
 accessible/toolbox.component.js   | 16 ++++++++++++----
 accessible/workspace.component.js |  2 +-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/accessible/toolbox.component.js b/accessible/toolbox.component.js
index 081803103..99f9a1bd5 100644
--- a/accessible/toolbox.component.js
+++ b/accessible/toolbox.component.js
@@ -29,10 +29,10 @@ blocklyApp.ToolboxComponent = ng.core
     template: `
       <h3 #toolboxTitle id="blockly-toolbox-title">Toolbox</h3>
       <ol #tree
-          id="blockly-toolbox-tree" role="group" class="blocklyTree"
+          id="blockly-toolbox-tree" role="tree" class="blocklyTree"
           *ngIf="toolboxCategories && toolboxCategories.length > 0" tabIndex="0"
           [attr.aria-labelledby]="toolboxTitle.id"
-          [attr.aria-activedescendant]="tree.getAttribute('aria-activedescendant') || tree.id + '-node0' "
+          [attr.aria-activedescendant]="getActiveDescId()"
           (keydown)="treeService.onKeypress($event, tree)">
         <template [ngIf]="xmlHasCategories">
           <li #parent
@@ -106,11 +106,19 @@ blocklyApp.ToolboxComponent = ng.core
     ngAfterViewInit: function() {
       // If this is a top-level tree in the toolbox, set its active
       // descendant after the ids have been computed.
+      // Note that a timeout is needed here in order to trigger Angular
+      // change detection.
       if (this.xmlHasCategories) {
-        this.treeService.setActiveDesc(
-            'blockly-toolbox-tree-node0', 'blockly-toolbox-tree');
+        var that = this;
+        setTimeout(function() {
+          that.treeService.setActiveDesc(
+              'blockly-toolbox-tree-node0', 'blockly-toolbox-tree');
+        });
       }
     },
+    getActiveDescId: function() {
+      return this.treeService.getActiveDescId('blockly-toolbox-tree');
+    },
     getToolboxWorkspace: function(categoryNode) {
       if (categoryNode.attributes && categoryNode.attributes.name) {
         var categoryName = categoryNode.attributes.name.value;
diff --git a/accessible/workspace.component.js b/accessible/workspace.component.js
index 38e50fae5..1efc6ee7a 100644
--- a/accessible/workspace.component.js
+++ b/accessible/workspace.component.js
@@ -47,7 +47,7 @@ blocklyApp.WorkspaceComponent = ng.core
 
     <div *ngIf="workspace">
       <ol #tree *ngFor="#block of workspace.topBlocks_; #i = index"
-          tabIndex="0" role="group" class="blocklyTree blocklyWorkspaceTree"
+          tabIndex="0" role="tree" class="blocklyTree blocklyWorkspaceTree"
           [attr.aria-activedescendant]="getActiveDescId(tree.id)"
           [attr.aria-labelledby]="workspaceTitle.id"
           (keydown)="onKeypress($event, tree)">

From cc6252cc0028973516f2a7faf67cd67bce35d4ff Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Thu, 14 Jul 2016 15:52:58 -0700
Subject: [PATCH 03/17] Set activedescendant correctly on workspace trees.

---
 accessible/workspace-tree.component.js | 20 ++++++++++++--------
 accessible/workspace.component.js      |  4 ++--
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/accessible/workspace-tree.component.js b/accessible/workspace-tree.component.js
index 5c7f4dc5f..83dda119b 100644
--- a/accessible/workspace-tree.component.js
+++ b/accessible/workspace-tree.component.js
@@ -266,14 +266,18 @@ blocklyApp.WorkspaceTreeComponent = ng.core
     },
     ngAfterViewInit: function() {
       // If this is a top-level tree in the workspace, set its id and active
-      // descendant.
-      if (this.tree && this.isTopLevel && !this.tree.id) {
-        this.tree.id = this.utilsService.generateUniqueId();
-      }
-      if (this.tree && this.isTopLevel &&
-          !this.treeService.getActiveDescId(this.tree.id)) {
-        this.treeService.setActiveDesc(this.idMap['blockRoot'], this.tree.id);
-      }
+      // descendant. (Note that a timeout is needed here in order to trigger
+      // Angular change detection.)
+      var that = this;
+      setTimeout(function() {
+        if (that.tree && that.isTopLevel && !that.tree.id) {
+          that.tree.id = that.utilsService.generateUniqueId();
+        }
+        if (that.tree && that.isTopLevel &&
+            !that.treeService.getActiveDescId(that.tree.id)) {
+          that.treeService.setActiveDesc(that.idMap['blockRoot'], that.tree.id);
+        }
+      });
     },
     generateAriaLabelledByAttr: function(mainLabel, secondLabel, isDisabled) {
       return this.utilsService.generateAriaLabelledByAttr(
diff --git a/accessible/workspace.component.js b/accessible/workspace.component.js
index 1efc6ee7a..42eb84d4e 100644
--- a/accessible/workspace.component.js
+++ b/accessible/workspace.component.js
@@ -75,8 +75,8 @@ blocklyApp.WorkspaceComponent = ng.core
     clearWorkspace: function() {
       this.workspace.clear();
     },
-    getActiveDescId: function(tree) {
-      return this.treeService.getActiveDescId(tree.id);
+    getActiveDescId: function(treeId) {
+      return this.treeService.getActiveDescId(treeId);
     },
     onWorkspaceToolbarKeypress: function(e) {
       this.treeService.onWorkspaceToolbarKeypress(

From 74e905c611a71702aa2436305b3479ec595e8ea7 Mon Sep 17 00:00:00 2001
From: Rodrigo Queiro <rodrigoq@google.com>
Date: Fri, 15 Jul 2016 10:35:45 +0200
Subject: [PATCH 04/17] Check flyout in isDragging()

We also have to record startFlyout_ on background scrolls - before
dragMode_ wasn't being reset by terminateDrag() for background scrolls,
which would suppress clicks from that point on.

Fixes #476.
---
 core/flyout.js        | 1 +
 core/workspace_svg.js | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/flyout.js b/core/flyout.js
index 0647b7219..0d1fa0407 100644
--- a/core/flyout.js
+++ b/core/flyout.js
@@ -774,6 +774,7 @@ Blockly.Flyout.prototype.onMouseDown_ = function(e) {
   this.dragMode_ = Blockly.DRAG_FREE;
   this.startDragMouseY_ = e.clientY;
   this.startDragMouseX_ = e.clientX;
+  Blockly.Flyout.startFlyout_ = this;
   Blockly.Flyout.onMouseMoveWrapper_ = Blockly.bindEvent_(document, 'mousemove',
       this, this.onMouseMove_);
   Blockly.Flyout.onMouseUpWrapper_ = Blockly.bindEvent_(document, 'mouseup',
diff --git a/core/workspace_svg.js b/core/workspace_svg.js
index b61c43742..bb04e15bf 100644
--- a/core/workspace_svg.js
+++ b/core/workspace_svg.js
@@ -715,11 +715,13 @@ Blockly.WorkspaceSvg.prototype.moveDrag = function(e) {
 };
 
 /**
- * Is the user currently dragging a block or scrolling the workspace?
+ * Is the user currently dragging a block or scrolling the flyout/workspace?
  * @return {boolean} True if currently dragging or scrolling.
  */
 Blockly.WorkspaceSvg.prototype.isDragging = function() {
   return Blockly.dragMode_ == Blockly.DRAG_FREE ||
+      (Blockly.Flyout.startFlyout_ &&
+          Blockly.Flyout.startFlyout_.dragMode_ == Blockly.DRAG_FREE) ||
       this.dragMode_ == Blockly.DRAG_FREE;
 };
 

From be98f29e18a0c3a5eb1071449165997f3aa8597b Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Fri, 15 Jul 2016 14:43:43 -0700
Subject: [PATCH 05/17] Add support for Home and End keys for navigating the
 toolbox and workspace trees.

---
 accessible/tree.service.js | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/accessible/tree.service.js b/accessible/tree.service.js
index e464bc788..2c7c54d1e 100644
--- a/accessible/tree.service.js
+++ b/accessible/tree.service.js
@@ -222,9 +222,21 @@ blocklyApp.TreeService = ng.core
         }
         e.preventDefault();
         e.stopPropagation();
-      } else if (e.keyCode >= 37 && e.keyCode <= 40) {
-        // Arrow keys.
-        if (e.keyCode == 37) {
+      } else if (e.keyCode >= 35 && e.keyCode <= 40) {
+        // End, home, and arrow keys.
+        if (e.keyCode == 35) {
+          // End key. Go to the last sibling in the subtree.
+          var finalSibling = this.getFinalSibling(activeDesc);
+          if (finalSibling) {
+            this.setActiveDesc(finalSibling.id, treeId);
+          }
+        } else if (e.keyCode == 36) {
+          // Home key. Go to the first sibling in the subtree.
+          var initialSibling = this.getInitialSibling(activeDesc);
+          if (initialSibling) {
+            this.setActiveDesc(initialSibling.id, treeId);
+          }
+        } else if (e.keyCode == 37) {
           // Left arrow key. Go up a level, if possible.
           var nextNode = activeDesc.parentNode;
           if (this.isButtonOrFieldNode_(activeDesc)) {
@@ -278,6 +290,26 @@ blocklyApp.TreeService = ng.core
         return null;
       }
     },
+    getFinalSibling: function(element) {
+      while (true) {
+        var nextSibling = this.getNextSibling(element);
+        if (nextSibling && nextSibling.id != element.id) {
+          element = nextSibling;
+        } else {
+          return element;
+        }
+      }
+    },
+    getInitialSibling: function(element) {
+      while (true) {
+        var previousSibling = this.getPreviousSibling(element);
+        if (previousSibling && previousSibling.id != element.id) {
+          element = previousSibling;
+        } else {
+          return element;
+        }
+      }
+    },
     getNextSibling: function(element) {
       if (element.nextElementSibling) {
         // If there is a sibling, find the list element child of the sibling.

From 4f498dc99c13ac11b3d008e92875c1087dc2f198 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 15 Jul 2016 14:55:00 -0700
Subject: [PATCH 06/17] Make tooltips reflect from-end indexing behaviour.

---
 blocks/lists.js       | 10 ++--------
 blocks/text.js        | 12 +++++++++++-
 core/workspace_svg.js |  2 +-
 3 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/blocks/lists.js b/blocks/lists.js
index 0d23db05f..55dfac025 100644
--- a/blocks/lists.js
+++ b/blocks/lists.js
@@ -389,12 +389,9 @@ Blockly.Blocks['lists_getIndex'] = {
           tooltip = Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM;
           break;
       }
-      if (where == 'FROM_START') {
+      if (where == 'FROM_START' || where == 'FROM_END') {
         tooltip += '  ' + Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP
             .replace('%1', Blockly.Blocks.ONE_BASED_INDEXING ? '#1' : '#0');
-      } else if (where == 'FROM_END') {
-        tooltip += '  ' + Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP
-            .replace('%1', '#1');  // The end is always 1-indexed.
       }
       return tooltip;
     });
@@ -552,12 +549,9 @@ Blockly.Blocks['lists_setIndex'] = {
           tooltip = Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM;
           break;
       }
-      if (where == 'FROM_START') {
+      if (where == 'FROM_START' || where == 'FROM_END') {
         tooltip += '  ' + Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP
             .replace('%1', Blockly.Blocks.ONE_BASED_INDEXING ? '#1' : '#0');
-      } else if (where == 'FROM_END') {
-        tooltip += '  ' + Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP
-            .replace('%1', '#1');  // The end is always 1-indexed.
       }
       return tooltip;
     });
diff --git a/blocks/text.js b/blocks/text.js
index 23ff52b32..c26bb578b 100644
--- a/blocks/text.js
+++ b/blocks/text.js
@@ -349,7 +349,17 @@ Blockly.Blocks['text_charAt'] = {
     this.appendDummyInput('AT');
     this.setInputsInline(true);
     this.updateAt_(true);
-    this.setTooltip(Blockly.Msg.TEXT_CHARAT_TOOLTIP);
+    // Assign 'this' to a variable for use in the tooltip closure below.
+    var thisBlock = this;
+    this.setTooltip(function() {
+      var where = thisBlock.getFieldValue('WHERE');
+      var tooltip = Blockly.Msg.TEXT_CHARAT_TOOLTIP;
+      if (where == 'FROM_START' || where == 'FROM_END') {
+        tooltip += '  ' + Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP
+            .replace('%1', Blockly.Blocks.ONE_BASED_INDEXING ? '#1' : '#0');
+      }
+      return tooltip;
+    });
   },
   /**
    * Create XML to represent whether there is an 'AT' input.
diff --git a/core/workspace_svg.js b/core/workspace_svg.js
index b61c43742..73bd6afe1 100644
--- a/core/workspace_svg.js
+++ b/core/workspace_svg.js
@@ -984,7 +984,7 @@ Blockly.WorkspaceSvg.prototype.preloadAudio_ = function() {
 };
 
 /**
- * Play an audio file at specified value.  If volume is not specified,
+ * Play a named sound at specified volume.  If volume is not specified,
  * use full volume (1).
  * @param {string} name Name of sound.
  * @param {number=} opt_volume Volume of sound (0-1).

From 311907cb6a339953891a19aa733a4eb10f404a3b Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Fri, 15 Jul 2016 16:40:22 -0700
Subject: [PATCH 07/17] Disable input fields in the toolbox.

---
 accessible/field.component.js        | 8 +++++---
 accessible/toolbox-tree.component.js | 4 ++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/accessible/field.component.js b/accessible/field.component.js
index bb6b4cf07..9b1a35143 100644
--- a/accessible/field.component.js
+++ b/accessible/field.component.js
@@ -31,7 +31,8 @@ blocklyApp.FieldComponent = ng.core
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isTextInput()"
         [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-argument-input', idMap['input'])"
         [attr.aria-level]="level" aria-selected=false>
-      <input [id]="idMap['input']" [ngModel]="field.getValue()" (ngModelChange)="field.setValue($event)">
+      <input [id]="idMap['input']" [ngModel]="field.getValue()" (ngModelChange)="field.setValue($event)"
+             [disabled]="disabled">
     </li>
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isDropdown()"
         [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-argument-menu', idMap['label'])"
@@ -41,7 +42,8 @@ blocklyApp.FieldComponent = ng.core
         <li [id]="idMap[optionValue]" role="treeitem" *ngFor="#optionValue of getOptions()"
             [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap[optionValue + 'Button'], 'blockly-button')"
             [attr.aria-level]="level+1" aria-selected=false>
-          <button [id]="idMap[optionValue + 'Button']" (click)="handleDropdownChange(field, optionValue)">
+          <button [id]="idMap[optionValue + 'Button']" (click)="handleDropdownChange(field, optionValue)"
+                  [disabled]="disabled">
             {{optionText[optionValue]}}
           </button>
         </li>
@@ -59,7 +61,7 @@ blocklyApp.FieldComponent = ng.core
       </label>
     </li>
     `,
-    inputs: ['field', 'level', 'index', 'parentId'],
+    inputs: ['field', 'level', 'index', 'parentId', 'disabled'],
     pipes: [blocklyApp.TranslatePipe]
   })
   .Class({
diff --git a/accessible/toolbox-tree.component.js b/accessible/toolbox-tree.component.js
index 64320458d..15dfa220a 100644
--- a/accessible/toolbox-tree.component.js
+++ b/accessible/toolbox-tree.component.js
@@ -72,8 +72,8 @@ blocklyApp.ToolboxTreeComponent = ng.core
         </li>
         <div *ngFor="#inputBlock of block.inputList; #i=index">
           <blockly-field *ngFor="#field of inputBlock.fieldRow; #j=index"
-                      [attr.aria-level]="level+1" [field]="field"
-                      [level]="level+1">
+                         [attr.aria-level]="level+1" [field]="field"
+                         [level]="level+1" [disabled]="true">
           </blockly-field>
           <blockly-toolbox-tree *ngIf="inputBlock.connection && inputBlock.connection.targetBlock()"
                                 [block]="inputBlock.connection.targetBlock()"

From b318eb6504e102f40d6cf2dad0b78bc066c4aad5 Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Fri, 15 Jul 2016 16:54:03 -0700
Subject: [PATCH 08/17] Implement correct keystroke handling for text input
 fields.

---
 accessible/tree.service.js | 154 +++++++++++++++++++++----------------
 1 file changed, 87 insertions(+), 67 deletions(-)

diff --git a/accessible/tree.service.js b/accessible/tree.service.js
index 2c7c54d1e..4bc9f4156 100644
--- a/accessible/tree.service.js
+++ b/accessible/tree.service.js
@@ -200,76 +200,96 @@ blocklyApp.TreeService = ng.core
         return;
       }
 
-      var isFocusingIntoField = false;
+      if (document.activeElement.tagName == 'INPUT') {
+        // For input fields, only Esc and Tab keystrokes are handled specially.
+        if (e.keyCode == 27 || e.keyCode == 9) {
+          // For Esc and Tab keys, the focus is removed from the input field.
+          this.focusOnCurrentTree_(treeId);
 
-      if (e.keyCode == 13) {
-        // Enter key. The user wants to interact with a child.
-        if (activeDesc.children.length == 1) {
-          var child = activeDesc.children[0];
-          if (child.tagName == 'BUTTON') {
-            child.click();
-            this.isFocusingIntoField = true;
-          } else if (child.tagName == 'INPUT') {
-            child.focus();
+          // In addition, for Tab keys, the user tabs to the previous/next tree.
+          if (e.keyCode == 9) {
+            if (e.shiftKey) {
+              this.focusOnPreviousTree_(treeId);
+            } else {
+              this.focusOnNextTree_(treeId);
+            }
           }
-        }
-      } else if (e.keyCode == 9) {
-        // Tab key.
-        if (e.shiftKey) {
-          this.focusOnPreviousTree_(treeId);
-        } else {
-          this.focusOnNextTree_(treeId);
-        }
-        e.preventDefault();
-        e.stopPropagation();
-      } else if (e.keyCode >= 35 && e.keyCode <= 40) {
-        // End, home, and arrow keys.
-        if (e.keyCode == 35) {
-          // End key. Go to the last sibling in the subtree.
-          var finalSibling = this.getFinalSibling(activeDesc);
-          if (finalSibling) {
-            this.setActiveDesc(finalSibling.id, treeId);
-          }
-        } else if (e.keyCode == 36) {
-          // Home key. Go to the first sibling in the subtree.
-          var initialSibling = this.getInitialSibling(activeDesc);
-          if (initialSibling) {
-            this.setActiveDesc(initialSibling.id, treeId);
-          }
-        } else if (e.keyCode == 37) {
-          // Left arrow key. Go up a level, if possible.
-          var nextNode = activeDesc.parentNode;
-          if (this.isButtonOrFieldNode_(activeDesc)) {
-            nextNode = nextNode.parentNode;
-          }
-          while (nextNode && nextNode.tagName != 'LI') {
-            nextNode = nextNode.parentNode;
-          }
-          if (nextNode) {
-            this.setActiveDesc(nextNode.id, treeId);
-          }
-        } else if (e.keyCode == 38) {
-          // Up arrow key. Go to the previous sibling, if possible.
-          var prevSibling = this.getPreviousSibling(activeDesc);
-          if (prevSibling) {
-            this.setActiveDesc(prevSibling.id, treeId);
-          }
-        } else if (e.keyCode == 39) {
-          // Right arrow key. Go down a level, if possible.
-          var firstChild = this.getFirstChild(activeDesc);
-          if (firstChild) {
-            this.setActiveDesc(firstChild.id, treeId);
-          }
-        } else if (e.keyCode == 40) {
-          // Down arrow key. Go to the next sibling, if possible.
-          var nextSibling = this.getNextSibling(activeDesc);
-          if (nextSibling) {
-            this.setActiveDesc(nextSibling.id, treeId);
-          }
-        }
 
-        e.preventDefault();
-        e.stopPropagation();
+          e.preventDefault();
+          e.stopPropagation();
+        }
+      } else {
+        // Outside an input field, Enter, Tab and navigation keys are all
+        // recognized.
+        if (e.keyCode == 13) {
+          // Enter key. The user wants to interact with a button or an input
+          // field.
+          if (activeDesc.children.length == 1) {
+            var child = activeDesc.children[0];
+            if (child.tagName == 'BUTTON') {
+              child.click();
+            } else if (child.tagName == 'INPUT') {
+              child.focus();
+            }
+          }
+        } else if (e.keyCode == 9) {
+          // Tab key.
+          if (e.shiftKey) {
+            this.focusOnPreviousTree_(treeId);
+          } else {
+            this.focusOnNextTree_(treeId);
+          }
+          e.preventDefault();
+          e.stopPropagation();
+        } else if (e.keyCode >= 35 && e.keyCode <= 40) {
+          // End, home, and arrow keys.
+          if (e.keyCode == 35) {
+            // End key. Go to the last sibling in the subtree.
+            var finalSibling = this.getFinalSibling(activeDesc);
+            if (finalSibling) {
+              this.setActiveDesc(finalSibling.id, treeId);
+            }
+          } else if (e.keyCode == 36) {
+            // Home key. Go to the first sibling in the subtree.
+            var initialSibling = this.getInitialSibling(activeDesc);
+            if (initialSibling) {
+              this.setActiveDesc(initialSibling.id, treeId);
+            }
+          } else if (e.keyCode == 37) {
+            // Left arrow key. Go up a level, if possible.
+            var nextNode = activeDesc.parentNode;
+            if (this.isButtonOrFieldNode_(activeDesc)) {
+              nextNode = nextNode.parentNode;
+            }
+            while (nextNode && nextNode.tagName != 'LI') {
+              nextNode = nextNode.parentNode;
+            }
+            if (nextNode) {
+              this.setActiveDesc(nextNode.id, treeId);
+            }
+          } else if (e.keyCode == 38) {
+            // Up arrow key. Go to the previous sibling, if possible.
+            var prevSibling = this.getPreviousSibling(activeDesc);
+            if (prevSibling) {
+              this.setActiveDesc(prevSibling.id, treeId);
+            }
+          } else if (e.keyCode == 39) {
+            // Right arrow key. Go down a level, if possible.
+            var firstChild = this.getFirstChild(activeDesc);
+            if (firstChild) {
+              this.setActiveDesc(firstChild.id, treeId);
+            }
+          } else if (e.keyCode == 40) {
+            // Down arrow key. Go to the next sibling, if possible.
+            var nextSibling = this.getNextSibling(activeDesc);
+            if (nextSibling) {
+              this.setActiveDesc(nextSibling.id, treeId);
+            }
+          }
+
+          e.preventDefault();
+          e.stopPropagation();
+        }
       }
     },
     getFirstChild: function(element) {

From a76635d3525fda2b4c0267234167d75e164ec340 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 15 Jul 2016 16:28:33 -0700
Subject: [PATCH 09/17] Fix line wrapping in Dart comments.

---
 generators/dart.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/generators/dart.js b/generators/dart.js
index 6fb1236d4..feec82a2c 100644
--- a/generators/dart.js
+++ b/generators/dart.js
@@ -191,6 +191,7 @@ Blockly.Dart.scrub_ = function(block, code) {
   if (!block.outputConnection || !block.outputConnection.targetConnection) {
     // Collect comment for this block.
     var comment = block.getCommentText();
+    comment = Blockly.utils.wrap(comment, Blockly.Dart.COMMENT_WRAP - 3);
     if (comment) {
       if (block.getProcedureDef) {
         // Use documentation comment for function comments.

From 5852f8e7e134584217a2e9878e97b188bdaac743 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 15 Jul 2016 16:28:39 -0700
Subject: [PATCH 10/17] Fix nested disabled blocks in disableOrphans.

---
 core/events.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/events.js b/core/events.js
index f78222d03..ac78aa3a3 100644
--- a/core/events.js
+++ b/core/events.js
@@ -802,10 +802,10 @@ Blockly.Events.disableOrphans = function(event) {
     var block = workspace.getBlockById(event.blockId);
     if (block) {
       if (block.getParent() && !block.getParent().disabled) {
-        do {
-          block.setDisabled(false);
-          block = block.getNextBlock();
-        } while (block);
+        var children = block.getDescendants();
+        for (var i = 0, child; child = children[i]; i++) {
+          child.setDisabled(false);
+        }
       } else if ((block.outputConnection || block.previousConnection) &&
                  Blockly.dragMode_ == Blockly.DRAG_NONE) {
         do {

From 8c48436c8f162171fe0572cb04a7ff181480bd61 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 15 Jul 2016 20:05:45 -0700
Subject: [PATCH 11/17] Fix validation on number field.

---
 core/field_number.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/field_number.js b/core/field_number.js
index cd773cb87..94cda5108 100644
--- a/core/field_number.js
+++ b/core/field_number.js
@@ -31,7 +31,7 @@ goog.require('goog.math');
 
 /**
  * Class for an editable number field.
- * @param {string} value The initial content of the field.
+ * @param {number|string} value The initial content of the field.
  * @param {number|string|undefined} opt_min Minimum value.
  * @param {number|string|undefined} opt_max Maximum value.
  * @param {number|string|undefined} opt_precision Precision for value.
@@ -68,7 +68,7 @@ Blockly.FieldNumber.prototype.setConstraints = function(min, max, precision) {
   this.min_ = isNaN(min) ? -Infinity : min;
   max = parseFloat(max);
   this.max_ = isNaN(max) ? Infinity : max;
-  this.setValue(this.callValidator(this.getValue));
+  this.setValue(this.callValidator(this.getValue()));
 };
 
 /**

From 5c2c4d8400e672636d33f910117683137a667a6b Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 15 Jul 2016 20:59:20 -0700
Subject: [PATCH 12/17] Refactor validators to survive aggressive Closure
 compression.

---
 core/events.js         |  3 +--
 core/field.js          | 41 +++++++++++++++++++++++------------------
 core/field_angle.js    |  5 ++---
 core/field_number.js   |  3 +--
 core/field_variable.js |  3 +--
 5 files changed, 28 insertions(+), 27 deletions(-)

diff --git a/core/events.js b/core/events.js
index ac78aa3a3..1d1e2b70e 100644
--- a/core/events.js
+++ b/core/events.js
@@ -554,8 +554,7 @@ Blockly.Events.Change.prototype.run = function(forward) {
       if (field) {
         // Run the validator for any side-effects it may have.
         // The validator's opinion on validity is ignored.
-        var validator = field.getValidator();
-        validator && validator.call(field, value);
+        field.callValidator(value);
         field.setValue(value);
       } else {
         console.warn("Can't set non-existant field: " + this.name);
diff --git a/core/field.js b/core/field.js
index b6cff255b..00a717c27 100644
--- a/core/field.js
+++ b/core/field.js
@@ -236,6 +236,15 @@ Blockly.Field.prototype.getValidator = function() {
   return this.validator_;
 };
 
+/**
+ * Validates a change.  Does nothing.  Subclasses may override this.
+ * @param {string} text The user's text.
+ * @return {string} No change needed.
+ */
+Blockly.Field.prototype.classValidator = function(text) {
+  return text;
+};
+
 /**
  * Calls the validation function for this field, as well as all the validation
  * function for the field's class and its parents.
@@ -243,25 +252,21 @@ Blockly.Field.prototype.getValidator = function() {
  * @return {?string} Revised text, or null if invalid.
  */
 Blockly.Field.prototype.callValidator = function(text) {
-  // Collect a list of validators, from Field, through to the subclass, ending
-  // with the user's validator.
-  var validators = [this.getValidator()];
-  var fieldClass = this.constructor;
-  while (fieldClass) {
-    validators.unshift(fieldClass.classValidator);
-    fieldClass = fieldClass.superClass_;
+  var classResult = this.classValidator(text);
+  if (classResult === null) {
+    // Class validator rejects value.  Game over.
+    return null;
+  } else if (classResult !== undefined) {
+    text = classResult;
   }
-  // Call each validator in turn, allowing each to rewrite or reject.
-  for (var i = 0; i < validators.length; i++) {
-    var validator = validators[i];
-    if (validator) {
-      var result = validator.call(this, text);
-      if (result === null) {
-        // Validator rejects value.  Game over.
-        return null;
-      } else if (result !== undefined) {
-        text = result;
-      }
+  var userValidator = this.getValidator();
+  if (userValidator) {
+    var userResult = userValidator(text);
+    if (userResult === null) {
+      // User validator rejects value.  Game over.
+      return null;
+    } else if (userResult !== undefined) {
+      text = userResult;
     }
   }
   return text;
diff --git a/core/field_angle.js b/core/field_angle.js
index 422191730..a294948e9 100644
--- a/core/field_angle.js
+++ b/core/field_angle.js
@@ -205,7 +205,7 @@ Blockly.FieldAngle.prototype.onMouseMove = function(e) {
     angle = Math.round(angle / Blockly.FieldAngle.ROUND) *
         Blockly.FieldAngle.ROUND;
   }
-  angle = Blockly.FieldAngle.classValidator(angle);
+  angle = this.callValidator(angle);
   Blockly.FieldTextInput.htmlInput_.value = angle;
   this.setValue(angle);
   this.validate_();
@@ -274,9 +274,8 @@ Blockly.FieldAngle.prototype.updateGraph_ = function() {
  * Ensure that only an angle may be entered.
  * @param {string} text The user's text.
  * @return {?string} A string representing a valid angle, or null if invalid.
- * @this {!Blockly.FieldAngle}
  */
-Blockly.FieldAngle.classValidator = function(text) {
+Blockly.FieldAngle.prototype.classValidator = function(text) {
   if (text === null) {
     return null;
   }
diff --git a/core/field_number.js b/core/field_number.js
index 94cda5108..3eb99d398 100644
--- a/core/field_number.js
+++ b/core/field_number.js
@@ -75,9 +75,8 @@ Blockly.FieldNumber.prototype.setConstraints = function(min, max, precision) {
  * Ensure that only a number in the correct range may be entered.
  * @param {string} text The user's text.
  * @return {?string} A string representing a valid number, or null if invalid.
- * @this {!Blockly.FieldNumber}
  */
-Blockly.FieldNumber.classValidator = function(text) {
+Blockly.FieldNumber.prototype.classValidator = function(text) {
   if (text === null) {
     return null;
   }
diff --git a/core/field_variable.js b/core/field_variable.js
index 3c6491794..f6cfd4ecb 100644
--- a/core/field_variable.js
+++ b/core/field_variable.js
@@ -127,9 +127,8 @@ Blockly.FieldVariable.dropdownCreate = function() {
  * @return {null|undefined|string} An acceptable new variable name, or null if
  *     change is to be either aborted (cancel button) or has been already
  *     handled (rename), or undefined if an existing variable was chosen.
- * @this {!Blockly.FieldVariable}
  */
-Blockly.FieldVariable.classValidator = function(text) {
+Blockly.FieldVariable.prototype.classValidator = function(text) {
   function promptName(promptText, defaultText) {
     Blockly.hideChaff();
     var newVar = window.prompt(promptText, defaultText);

From e03a4a9e30c12bc003735622cfb00b9f70d68e69 Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Mon, 18 Jul 2016 00:54:34 -0700
Subject: [PATCH 13/17] Fix creation of uneditable blocks.  Issue #324.

---
 core/field.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/field.js b/core/field.js
index 00a717c27..9060e8532 100644
--- a/core/field.js
+++ b/core/field.js
@@ -178,7 +178,7 @@ Blockly.Field.prototype.dispose = function() {
  * Add or remove the UI indicating if this field is editable or not.
  */
 Blockly.Field.prototype.updateEditable = function() {
-  if (!this.EDITABLE || !this.sourceBlock_) {
+  if (!this.EDITABLE || !this.fieldGroup_) {
     return;
   }
   if (this.sourceBlock_.isEditable()) {
@@ -261,7 +261,7 @@ Blockly.Field.prototype.callValidator = function(text) {
   }
   var userValidator = this.getValidator();
   if (userValidator) {
-    var userResult = userValidator(text);
+    var userResult = userValidator.call(this, text);
     if (userResult === null) {
       // User validator rejects value.  Game over.
       return null;

From d9a3569706894b9fbb8dcbb41ef7f7e49d8782df Mon Sep 17 00:00:00 2001
From: Rodrigo Queiro <overdrigzed@gmail.com>
Date: Mon, 18 Jul 2016 16:18:17 +0200
Subject: [PATCH 14/17] Convert createDom calls to createUntypedDom (#481)

Unless they could be converted to use goog.dom.TagName, in which case do
that. createDom is going to require goog.dom.TagName member as the
tagName parameter. This change prepares for that.
---
 blocks/loops.js         |  4 ++--
 blocks/procedures.js    | 16 ++++++++--------
 blocks/variables.js     |  4 ++--
 core/events.js          |  4 ++--
 core/field_textinput.js |  4 +++-
 core/mutator.js         |  5 +++--
 core/procedures.js      | 12 ++++++------
 core/toolbox.js         |  4 +++-
 core/tooltip.js         |  4 +++-
 core/variables.js       |  8 ++++----
 core/widgetdiv.js       |  4 +++-
 core/xml.js             | 21 ++++++++++++---------
 12 files changed, 51 insertions(+), 39 deletions(-)

diff --git a/blocks/loops.js b/blocks/loops.js
index b9bae1e80..c06a7f2de 100644
--- a/blocks/loops.js
+++ b/blocks/loops.js
@@ -178,9 +178,9 @@ Blockly.Blocks['controls_for'] = {
       var option = {enabled: true};
       var name = this.getFieldValue('VAR');
       option.text = Blockly.Msg.VARIABLES_SET_CREATE_GET.replace('%1', name);
-      var xmlField = goog.dom.createDom('field', null, name);
+      var xmlField = goog.dom.createUntypedDom('field', null, name);
       xmlField.setAttribute('name', 'VAR');
-      var xmlBlock = goog.dom.createDom('block', null, xmlField);
+      var xmlBlock = goog.dom.createUntypedDom('block', null, xmlField);
       xmlBlock.setAttribute('type', 'variables_get');
       option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
       options.push(option);
diff --git a/blocks/procedures.js b/blocks/procedures.js
index 82b383b51..17339b025 100644
--- a/blocks/procedures.js
+++ b/blocks/procedures.js
@@ -295,14 +295,14 @@ Blockly.Blocks['procedures_defnoreturn'] = {
     var option = {enabled: true};
     var name = this.getFieldValue('NAME');
     option.text = Blockly.Msg.PROCEDURES_CREATE_DO.replace('%1', name);
-    var xmlMutation = goog.dom.createDom('mutation');
+    var xmlMutation = goog.dom.createUntypedDom('mutation');
     xmlMutation.setAttribute('name', name);
     for (var i = 0; i < this.arguments_.length; i++) {
-      var xmlArg = goog.dom.createDom('arg');
+      var xmlArg = goog.dom.createUntypedDom('arg');
       xmlArg.setAttribute('name', this.arguments_[i]);
       xmlMutation.appendChild(xmlArg);
     }
-    var xmlBlock = goog.dom.createDom('block', null, xmlMutation);
+    var xmlBlock = goog.dom.createUntypedDom('block', null, xmlMutation);
     xmlBlock.setAttribute('type', this.callType_);
     option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
     options.push(option);
@@ -313,9 +313,9 @@ Blockly.Blocks['procedures_defnoreturn'] = {
         var option = {enabled: true};
         var name = this.arguments_[i];
         option.text = Blockly.Msg.VARIABLES_SET_CREATE_GET.replace('%1', name);
-        var xmlField = goog.dom.createDom('field', null, name);
+        var xmlField = goog.dom.createUntypedDom('field', null, name);
         xmlField.setAttribute('name', 'VAR');
-        var xmlBlock = goog.dom.createDom('block', null, xmlField);
+        var xmlBlock = goog.dom.createUntypedDom('block', null, xmlField);
         xmlBlock.setAttribute('type', 'variables_get');
         option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
         options.push(option);
@@ -687,8 +687,8 @@ Blockly.Blocks['procedures_callnoreturn'] = {
          *   </block>
          * </xml>
          */
-        var xml = goog.dom.createDom('xml');
-        var block = goog.dom.createDom('block');
+        var xml = goog.dom.createUntypedDom('xml');
+        var block = goog.dom.createUntypedDom('block');
         block.setAttribute('type', this.defType_);
         var xy = this.getRelativeToSurfaceXY();
         var x = xy.x + Blockly.SNAP_RADIUS * (this.RTL ? -1 : 1);
@@ -697,7 +697,7 @@ Blockly.Blocks['procedures_callnoreturn'] = {
         block.setAttribute('y', y);
         var mutation = this.mutationToDom();
         block.appendChild(mutation);
-        var field = goog.dom.createDom('field');
+        var field = goog.dom.createUntypedDom('field');
         field.setAttribute('name', 'NAME');
         field.appendChild(document.createTextNode(this.getProcedureCall()));
         block.appendChild(field);
diff --git a/blocks/variables.js b/blocks/variables.js
index 3b7d99f92..fe8eae21f 100644
--- a/blocks/variables.js
+++ b/blocks/variables.js
@@ -59,9 +59,9 @@ Blockly.Blocks['variables_get'] = {
     var option = {enabled: true};
     var name = this.getFieldValue('VAR');
     option.text = this.contextMenuMsg_.replace('%1', name);
-    var xmlField = goog.dom.createDom('field', null, name);
+    var xmlField = goog.dom.createUntypedDom('field', null, name);
     xmlField.setAttribute('name', 'VAR');
-    var xmlBlock = goog.dom.createDom('block', null, xmlField);
+    var xmlBlock = goog.dom.createUntypedDom('block', null, xmlField);
     xmlBlock.setAttribute('type', this.contextMenuType_);
     option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
     options.push(option);
diff --git a/core/events.js b/core/events.js
index 1d1e2b70e..e3556ae4d 100644
--- a/core/events.js
+++ b/core/events.js
@@ -388,7 +388,7 @@ Blockly.Events.Create.prototype.fromJson = function(json) {
 Blockly.Events.Create.prototype.run = function(forward) {
   var workspace = Blockly.Workspace.getById(this.workspaceId);
   if (forward) {
-    var xml = goog.dom.createDom('xml');
+    var xml = goog.dom.createUntypedDom('xml');
     xml.appendChild(this.xml);
     Blockly.Xml.domToWorkspace(xml, workspace);
   } else {
@@ -465,7 +465,7 @@ Blockly.Events.Delete.prototype.run = function(forward) {
       }
     }
   } else {
-    var xml = goog.dom.createDom('xml');
+    var xml = goog.dom.createUntypedDom('xml');
     xml.appendChild(this.oldXml);
     Blockly.Xml.domToWorkspace(xml, workspace);
   }
diff --git a/core/field_textinput.js b/core/field_textinput.js
index ba9375e4c..a1fe173b6 100644
--- a/core/field_textinput.js
+++ b/core/field_textinput.js
@@ -30,6 +30,7 @@ goog.require('Blockly.Field');
 goog.require('Blockly.Msg');
 goog.require('goog.asserts');
 goog.require('goog.dom');
+goog.require('goog.dom.TagName');
 goog.require('goog.userAgent');
 
 
@@ -124,7 +125,8 @@ Blockly.FieldTextInput.prototype.showEditor_ = function(opt_quietInput) {
   Blockly.WidgetDiv.show(this, this.sourceBlock_.RTL, this.widgetDispose_());
   var div = Blockly.WidgetDiv.DIV;
   // Create the input.
-  var htmlInput = goog.dom.createDom('input', 'blocklyHtmlInput');
+  var htmlInput =
+      goog.dom.createDom(goog.dom.TagName.INPUT, 'blocklyHtmlInput');
   htmlInput.setAttribute('spellcheck', this.spellcheck_);
   var fontSize =
       (Blockly.FieldTextInput.FONTSIZE * this.workspace_.scale) + 'pt';
diff --git a/core/mutator.js b/core/mutator.js
index a804b463f..d28beb49f 100644
--- a/core/mutator.js
+++ b/core/mutator.js
@@ -110,9 +110,10 @@ Blockly.Mutator.prototype.createEditor_ = function() {
       null);
   // Convert the list of names into a list of XML objects for the flyout.
   if (this.quarkNames_.length) {
-    var quarkXml = goog.dom.createDom('xml');
+    var quarkXml = goog.dom.createUntypedDom('xml');
     for (var i = 0, quarkName; quarkName = this.quarkNames_[i]; i++) {
-      quarkXml.appendChild(goog.dom.createDom('block', {'type': quarkName}));
+      quarkXml.appendChild(
+          goog.dom.createUntypedDom('block', {'type': quarkName}));
     }
   } else {
     var quarkXml = null;
diff --git a/core/procedures.js b/core/procedures.js
index beb4a17b8..aa3663319 100644
--- a/core/procedures.js
+++ b/core/procedures.js
@@ -162,21 +162,21 @@ Blockly.Procedures.flyoutCategory = function(workspace) {
   var xmlList = [];
   if (Blockly.Blocks['procedures_defnoreturn']) {
     // <block type="procedures_defnoreturn" gap="16"></block>
-    var block = goog.dom.createDom('block');
+    var block = goog.dom.createUntypedDom('block');
     block.setAttribute('type', 'procedures_defnoreturn');
     block.setAttribute('gap', 16);
     xmlList.push(block);
   }
   if (Blockly.Blocks['procedures_defreturn']) {
     // <block type="procedures_defreturn" gap="16"></block>
-    var block = goog.dom.createDom('block');
+    var block = goog.dom.createUntypedDom('block');
     block.setAttribute('type', 'procedures_defreturn');
     block.setAttribute('gap', 16);
     xmlList.push(block);
   }
   if (Blockly.Blocks['procedures_ifreturn']) {
     // <block type="procedures_ifreturn" gap="16"></block>
-    var block = goog.dom.createDom('block');
+    var block = goog.dom.createUntypedDom('block');
     block.setAttribute('type', 'procedures_ifreturn');
     block.setAttribute('gap', 16);
     xmlList.push(block);
@@ -195,14 +195,14 @@ Blockly.Procedures.flyoutCategory = function(workspace) {
       //     <arg name="x"></arg>
       //   </mutation>
       // </block>
-      var block = goog.dom.createDom('block');
+      var block = goog.dom.createUntypedDom('block');
       block.setAttribute('type', templateName);
       block.setAttribute('gap', 16);
-      var mutation = goog.dom.createDom('mutation');
+      var mutation = goog.dom.createUntypedDom('mutation');
       mutation.setAttribute('name', name);
       block.appendChild(mutation);
       for (var j = 0; j < args.length; j++) {
-        var arg = goog.dom.createDom('arg');
+        var arg = goog.dom.createUntypedDom('arg');
         arg.setAttribute('name', args[j]);
         mutation.appendChild(arg);
       }
diff --git a/core/toolbox.js b/core/toolbox.js
index ac15ed128..3ff41df95 100644
--- a/core/toolbox.js
+++ b/core/toolbox.js
@@ -28,6 +28,7 @@ goog.provide('Blockly.Toolbox');
 
 goog.require('Blockly.Flyout');
 goog.require('goog.dom');
+goog.require('goog.dom.TagName');
 goog.require('goog.events');
 goog.require('goog.events.BrowserFeature');
 goog.require('goog.html.SafeHtml');
@@ -146,7 +147,8 @@ Blockly.Toolbox.prototype.init = function() {
   var workspace = this.workspace_;
 
   // Create an HTML container for the Toolbox menu.
-  this.HtmlDiv = goog.dom.createDom('div', 'blocklyToolboxDiv');
+  this.HtmlDiv =
+      goog.dom.createDom(goog.dom.TagName.DIV, 'blocklyToolboxDiv');
   this.HtmlDiv.setAttribute('dir', workspace.RTL ? 'RTL' : 'LTR');
   document.body.appendChild(this.HtmlDiv);
 
diff --git a/core/tooltip.js b/core/tooltip.js
index 3aa828812..2ff612b7b 100644
--- a/core/tooltip.js
+++ b/core/tooltip.js
@@ -32,6 +32,7 @@
 goog.provide('Blockly.Tooltip');
 
 goog.require('goog.dom');
+goog.require('goog.dom.TagName');
 
 
 /**
@@ -120,7 +121,8 @@ Blockly.Tooltip.createDom = function() {
     return;  // Already created.
   }
   // Create an HTML container for popup overlays (e.g. editor widgets).
-  Blockly.Tooltip.DIV = goog.dom.createDom('div', 'blocklyTooltipDiv');
+  Blockly.Tooltip.DIV =
+      goog.dom.createDom(goog.dom.TagName.DIV, 'blocklyTooltipDiv');
   document.body.appendChild(Blockly.Tooltip.DIV);
 };
 
diff --git a/core/variables.js b/core/variables.js
index 450d33fcf..b6df4d123 100644
--- a/core/variables.js
+++ b/core/variables.js
@@ -108,12 +108,12 @@ Blockly.Variables.flyoutCategory = function(workspace) {
       // <block type="variables_set" gap="8">
       //   <field name="VAR">item</field>
       // </block>
-      var block = goog.dom.createDom('block');
+      var block = goog.dom.createUntypedDom('block');
       block.setAttribute('type', 'variables_set');
       if (Blockly.Blocks['variables_get']) {
         block.setAttribute('gap', 8);
       }
-      var field = goog.dom.createDom('field', null, variableList[i]);
+      var field = goog.dom.createUntypedDom('field', null, variableList[i]);
       field.setAttribute('name', 'VAR');
       block.appendChild(field);
       xmlList.push(block);
@@ -122,12 +122,12 @@ Blockly.Variables.flyoutCategory = function(workspace) {
       // <block type="variables_get" gap="24">
       //   <field name="VAR">item</field>
       // </block>
-      var block = goog.dom.createDom('block');
+      var block = goog.dom.createUntypedDom('block');
       block.setAttribute('type', 'variables_get');
       if (Blockly.Blocks['variables_set']) {
         block.setAttribute('gap', 24);
       }
-      var field = goog.dom.createDom('field', null, variableList[i]);
+      var field = goog.dom.createUntypedDom('field', null, variableList[i]);
       field.setAttribute('name', 'VAR');
       block.appendChild(field);
       xmlList.push(block);
diff --git a/core/widgetdiv.js b/core/widgetdiv.js
index 817d15bac..ac776d0ea 100644
--- a/core/widgetdiv.js
+++ b/core/widgetdiv.js
@@ -30,6 +30,7 @@ goog.provide('Blockly.WidgetDiv');
 
 goog.require('Blockly.Css');
 goog.require('goog.dom');
+goog.require('goog.dom.TagName');
 goog.require('goog.style');
 
 
@@ -61,7 +62,8 @@ Blockly.WidgetDiv.createDom = function() {
     return;  // Already created.
   }
   // Create an HTML container for popup overlays (e.g. editor widgets).
-  Blockly.WidgetDiv.DIV = goog.dom.createDom('div', 'blocklyWidgetDiv');
+  Blockly.WidgetDiv.DIV =
+      goog.dom.createDom(goog.dom.TagName.DIV, 'blocklyWidgetDiv');
   document.body.appendChild(Blockly.WidgetDiv.DIV);
 };
 
diff --git a/core/xml.js b/core/xml.js
index 95e6471c2..002d21f01 100644
--- a/core/xml.js
+++ b/core/xml.js
@@ -36,7 +36,7 @@ goog.require('goog.dom');
  * @return {!Element} XML document.
  */
 Blockly.Xml.workspaceToDom = function(workspace) {
-  var xml = goog.dom.createDom('xml');
+  var xml = goog.dom.createUntypedDom('xml');
   var blocks = workspace.getTopBlocks(true);
   for (var i = 0, block; block = blocks[i]; i++) {
     xml.appendChild(Blockly.Xml.blockToDomWithXY(block));
@@ -68,7 +68,8 @@ Blockly.Xml.blockToDomWithXY = function(block) {
  * @return {!Element} Tree of XML elements.
  */
 Blockly.Xml.blockToDom = function(block) {
-  var element = goog.dom.createDom(block.isShadow() ? 'shadow' : 'block');
+  var element = goog.dom.createUntypedDom(
+      block.isShadow() ? 'shadow' : 'block');
   element.setAttribute('type', block.type);
   element.setAttribute('id', block.id);
   if (block.mutationToDom) {
@@ -80,7 +81,8 @@ Blockly.Xml.blockToDom = function(block) {
   }
   function fieldToDom(field) {
     if (field.name && field.EDITABLE) {
-      var container = goog.dom.createDom('field', null, field.getValue());
+      var container =
+          goog.dom.createUntypedDom('field', null, field.getValue());
       container.setAttribute('name', field.name);
       element.appendChild(container);
     }
@@ -93,7 +95,8 @@ Blockly.Xml.blockToDom = function(block) {
 
   var commentText = block.getCommentText();
   if (commentText) {
-    var commentElement = goog.dom.createDom('comment', null, commentText);
+    var commentElement =
+        goog.dom.createUntypedDom('comment', null, commentText);
     if (typeof block.comment == 'object') {
       commentElement.setAttribute('pinned', block.comment.isVisible());
       var hw = block.comment.getBubbleSize();
@@ -104,7 +107,7 @@ Blockly.Xml.blockToDom = function(block) {
   }
 
   if (block.data) {
-    var dataElement = goog.dom.createDom('data', null, block.data);
+    var dataElement = goog.dom.createUntypedDom('data', null, block.data);
     element.appendChild(dataElement);
   }
 
@@ -116,9 +119,9 @@ Blockly.Xml.blockToDom = function(block) {
     } else {
       var childBlock = input.connection.targetBlock();
       if (input.type == Blockly.INPUT_VALUE) {
-        container = goog.dom.createDom('value');
+        container = goog.dom.createUntypedDom('value');
       } else if (input.type == Blockly.NEXT_STATEMENT) {
-        container = goog.dom.createDom('statement');
+        container = goog.dom.createUntypedDom('statement');
       }
       var shadow = input.connection.getShadowDom();
       if (shadow && (!childBlock || !childBlock.isShadow())) {
@@ -155,8 +158,8 @@ Blockly.Xml.blockToDom = function(block) {
 
   var nextBlock = block.getNextBlock();
   if (nextBlock) {
-    var container = goog.dom.createDom('next', null,
-        Blockly.Xml.blockToDom(nextBlock));
+    var container = goog.dom.createUntypedDom(
+        'next', null, Blockly.Xml.blockToDom(nextBlock));
     element.appendChild(container);
   }
   var shadow = block.nextConnection && block.nextConnection.getShadowDom();

From 0de625caf40e9262d848f842f94a558574a22813 Mon Sep 17 00:00:00 2001
From: Sean Lip <sll@google.com>
Date: Mon, 18 Jul 2016 16:11:29 -0700
Subject: [PATCH 15/17] Tidy up usage and formatting of aria-level (fixing an
 off-by-one error in the process).

---
 accessible/field.component.js          | 12 ++++++------
 accessible/toolbox-tree.component.js   | 20 +++++++++-----------
 accessible/toolbox.component.js        |  6 +++---
 accessible/workspace-tree.component.js | 16 ++++++++--------
 4 files changed, 26 insertions(+), 28 deletions(-)

diff --git a/accessible/field.component.js b/accessible/field.component.js
index 9b1a35143..6bc400af9 100644
--- a/accessible/field.component.js
+++ b/accessible/field.component.js
@@ -30,18 +30,18 @@ blocklyApp.FieldComponent = ng.core
     template: `
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isTextInput()"
         [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-argument-input', idMap['input'])"
-        [attr.aria-level]="level" aria-selected=false>
+        [attr.aria-level]="level" aria-selected="false">
       <input [id]="idMap['input']" [ngModel]="field.getValue()" (ngModelChange)="field.setValue($event)"
              [disabled]="disabled">
     </li>
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isDropdown()"
         [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-argument-menu', idMap['label'])"
-        [attr.aria-level]="level" aria-selected=false>
+        [attr.aria-level]="level" aria-selected="false">
       <label [id]="idMap['label']">{{'CURRENT_ARGUMENT_VALUE'|translate}} {{field.getText()}}</label>
-      <ol role="group" [attr.aria-level]="level+1">
+      <ol role="group">
         <li [id]="idMap[optionValue]" role="treeitem" *ngFor="#optionValue of getOptions()"
             [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap[optionValue + 'Button'], 'blockly-button')"
-            [attr.aria-level]="level+1" aria-selected=false>
+            [attr.aria-level]="level + 1" aria-selected="false">
           <button [id]="idMap[optionValue + 'Button']" (click)="handleDropdownChange(field, optionValue)"
                   [disabled]="disabled">
             {{optionText[optionValue]}}
@@ -50,12 +50,12 @@ blocklyApp.FieldComponent = ng.core
       </ol>
     </li>
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isCheckbox()"
-        [attr.aria-level]="level" aria-selected=false>
+        [attr.aria-level]="level" aria-selected="false">
       // Checkboxes are not currently supported.
     </li>
     <li [id]="idMap['listItem']" role="treeitem" *ngIf="isTextField() && hasVisibleText()"
         [attr.aria-labelledBy]="utilsService.generateAriaLabelledByAttr('blockly-argument-text', idMap['label'])"
-        [attr.aria-level]="level" aria-selected=false>
+        [attr.aria-level]="level" aria-selected="false">
       <label [id]="idMap['label']">
         {{field.getText()}}
       </label>
diff --git a/accessible/toolbox-tree.component.js b/accessible/toolbox-tree.component.js
index 15dfa220a..c6cc803b8 100644
--- a/accessible/toolbox-tree.component.js
+++ b/accessible/toolbox-tree.component.js
@@ -34,17 +34,16 @@ blocklyApp.ToolboxTreeComponent = ng.core
         [attr.aria-selected]="index == 0 && tree.getAttribute('aria-activedescendant') == 'blockly-toolbox-tree-node0'"
         [attr.aria-level]="level">
       <label #blockSummaryLabel [id]="idMap['blockSummaryLabel']">{{block.toString()}}</label>
-      <ol role="group" *ngIf="displayBlockMenu || block.inputList.length > 0"
-          [attr.aria-level]="level+1">
+      <ol role="group" *ngIf="displayBlockMenu || block.inputList.length > 0">
         <li #listItem class="blocklyHasChildren" [id]="idMap['listItem']"
             [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-block-menu', idMap['blockSummaryLabel'])"
             *ngIf="displayBlockMenu" role="treeitem"
-            aria-selected=false [attr.aria-level]="level+1">
+            aria-selected="false" [attr.aria-level]="level + 1">
           <label #label [id]="idMap['label']">{{'BLOCK_ACTION_LIST'|translate}}</label>
-          <ol role="group" *ngIf="displayBlockMenu"  [attr.aria-level]="level+2">
+          <ol role="group" *ngIf="displayBlockMenu">
             <li #workspaceCopy [id]="idMap['workspaceCopy']" role="treeitem"
                 [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap['workspaceCopyButton'], 'blockly-button')"
-                [attr.aria-level]="level+2" aria-selected=false>
+                [attr.aria-level]="level + 2" aria-selected="false">
               <button #workspaceCopyButton [id]="idMap['workspaceCopyButton']"
                       (click)="copyToWorkspace(block)">
                 {{'COPY_TO_WORKSPACE'|translate}}
@@ -52,7 +51,7 @@ blocklyApp.ToolboxTreeComponent = ng.core
             </li>
             <li #blockCopy [id]="idMap['blockCopy']" role="treeitem"
                 [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap['blockCopyButton'], 'blockly-button')"
-                [attr.aria-level]="level+2" aria-selected=false>
+                [attr.aria-level]="level + 2" aria-selected="false">
               <button #blockCopyButton [id]="idMap['blockCopyButton']"
                       (click)="clipboardService.copy(block, true)">
                 {{'COPY_TO_CLIPBOARD'|translate}}
@@ -60,7 +59,7 @@ blocklyApp.ToolboxTreeComponent = ng.core
             </li>
             <li #sendToSelected [id]="idMap['sendToSelected']" role="treeitem"
                 [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap['sendToSelectedButton'], 'blockly-button', !canBeCopiedToMarkedConnection(block))"
-                [attr.aria-level]="level+2" aria-selected=false>
+                [attr.aria-level]="level + 2" aria-selected="false">
               <button #sendToSelectedButton
                       [id]="idMap['sendToSelectedButton']"
                       (click)="copyToMarked(block)"
@@ -72,18 +71,17 @@ blocklyApp.ToolboxTreeComponent = ng.core
         </li>
         <div *ngFor="#inputBlock of block.inputList; #i=index">
           <blockly-field *ngFor="#field of inputBlock.fieldRow; #j=index"
-                         [attr.aria-level]="level+1" [field]="field"
-                         [level]="level+1" [disabled]="true">
+                         [field]="field" [level]="level + 1" [disabled]="true">
           </blockly-field>
           <blockly-toolbox-tree *ngIf="inputBlock.connection && inputBlock.connection.targetBlock()"
                                 [block]="inputBlock.connection.targetBlock()"
                                 [displayBlockMenu]="false"
-                                [level]="level+1">
+                                [level]="level + 1">
           </blockly-toolbox-tree>
           <li #listItem1 [id]="idMap['listItem' + i]" role="treeitem"
               *ngIf="inputBlock.connection && !inputBlock.connection.targetBlock()"
               [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-argument-text', idMap['listItem' + i + 'Label'])"
-              [attr.aria-level]="level+1" aria-selected=false>
+              [attr.aria-level]="level + 1" aria-selected="false">
             <!--TODO(madeeha): i18n here will need to happen in a different way due to the way grammar changes based on language.-->
             <label #label [id]="idMap['listItem' + i + 'Label']">
               {{utilsService.getInputTypeLabel(inputBlock.connection)}}
diff --git a/accessible/toolbox.component.js b/accessible/toolbox.component.js
index 99f9a1bd5..5319f4d50 100644
--- a/accessible/toolbox.component.js
+++ b/accessible/toolbox.component.js
@@ -39,7 +39,7 @@ blocklyApp.ToolboxComponent = ng.core
               [id]="idMap['Parent' + i]" role="treeitem"
               [ngClass]="{blocklyHasChildren: true, blocklyActiveDescendant: tree.getAttribute('aria-activedescendant') == idMap['Parent' + i]}"
               *ngFor="#category of toolboxCategories; #i=index"
-              aria-level="1" aria-selected=false
+              aria-level="1" aria-selected="false"
               [attr.aria-label]="category.attributes.name.value">
             <div *ngIf="category && category.attributes">
               <label [id]="idMap['Label' + i]" #name>
@@ -47,7 +47,7 @@ blocklyApp.ToolboxComponent = ng.core
               </label>
               <ol role="group" *ngIf="getToolboxWorkspace(category).topBlocks_.length > 0">
                 <blockly-toolbox-tree *ngFor="#block of getToolboxWorkspace(category).topBlocks_"
-                                      [level]=2 [block]="block"
+                                      [level]="2" [block]="block"
                                       [displayBlockMenu]="true"
                                       [tree]="tree">
                 </blockly-toolbox-tree>
@@ -57,7 +57,7 @@ blocklyApp.ToolboxComponent = ng.core
         </template>
         <div *ngIf="!xmlHasCategories">
           <blockly-toolbox-tree *ngFor="#block of getToolboxWorkspace(toolboxCategories[0]).topBlocks_; #i=index"
-                                [level]=1 [block]="block"
+                                [level]="1" [block]="block"
                                 [displayBlockMenu]="true"
                                 [index]="i" [tree]="tree"
                                 [noCategories]="true"
diff --git a/accessible/workspace-tree.component.js b/accessible/workspace-tree.component.js
index 83dda119b..125e95c3c 100644
--- a/accessible/workspace-tree.component.js
+++ b/accessible/workspace-tree.component.js
@@ -33,12 +33,12 @@ blocklyApp.WorkspaceTreeComponent = ng.core
         [attr.aria-level]="level" aria-selected="false">
       <label [id]="idMap['blockSummary']">{{block.toString()}}</label>
 
-      <ol role="group"  [attr.aria-level]="level + 1">
+      <ol role="group">
         <li [id]="idMap['listItem']" class="blocklyHasChildren" role="treeitem"
             [attr.aria-labelledBy]="generateAriaLabelledByAttr('blockly-block-menu', idMap['blockSummary'])"
-            [attr.aria-level]="level+1" aria-selected="false">
+            [attr.aria-level]="level + 1" aria-selected="false">
           <label [id]="idMap['label']">{{'BLOCK_ACTION_LIST'|translate}}</label>
-          <ol role="group"  [attr.aria-level]="level + 2">
+          <ol role="group">
             <li *ngFor="#buttonInfo of actionButtonsInfo"
                 [id]="idMap[buttonInfo.baseIdKey]" role="treeitem"
                 [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap[buttonInfo.baseIdKey + 'Button'], 'blockly-button', buttonInfo.isDisabled())"
@@ -52,9 +52,9 @@ blocklyApp.WorkspaceTreeComponent = ng.core
         </li>
 
         <div *ngFor="#inputBlock of block.inputList; #i = index">
-          <blockly-field *ngFor="#field of inputBlock.fieldRow" [field]="field"></blockly-field>
+          <blockly-field *ngFor="#field of inputBlock.fieldRow" [field]="field" [level]="level + 1"></blockly-field>
           <blockly-workspace-tree *ngIf="inputBlock.connection && inputBlock.connection.targetBlock()"
-                                  [block]="inputBlock.connection.targetBlock()" [level]="level"
+                                  [block]="inputBlock.connection.targetBlock()" [level]="level + 1"
                                   [tree]="tree">
           </blockly-workspace-tree>
           <li #inputList [attr.aria-level]="level + 1" [id]="idMap['inputList' + i]"
@@ -62,15 +62,15 @@ blocklyApp.WorkspaceTreeComponent = ng.core
               *ngIf="inputBlock.connection && !inputBlock.connection.targetBlock()" (keydown)="treeService.onKeypress($event, tree)">
             <!-- TODO(madeeha): i18n here will need to happen in a different way due to the way grammar changes based on language. -->
             <label [id]="idMap['inputMenuLabel' + i]"> {{utilsService.getInputTypeLabel(inputBlock.connection)}} {{utilsService.getBlockTypeLabel(inputBlock)}} needed: </label>
-            <ol role="group"  [attr.aria-level]="level + 2">
+            <ol role="group">
               <li [id]="idMap['markSpot' + i]" role="treeitem"
                   [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap['markButton' + i], 'blockly-button')"
-                  [attr.aria-level]="level + 2" aria-selected=false>
+                  [attr.aria-level]="level + 2" aria-selected="false">
                 <button [id]="idMap['markSpotButton + i']" (click)="clipboardService.markConnection(inputBlock.connection)">{{'MARK_THIS_SPOT'|translate}}</button>
               </li>
               <li [id]="idMap['paste' + i]" role="treeitem"
                   [attr.aria-labelledBy]="generateAriaLabelledByAttr(idMap['pasteButton' + i], 'blockly-button', !isCompatibleWithClipboard(inputBlock.connection))"
-                  [attr.aria-level]="level+2" aria-selected=false>
+                  [attr.aria-level]="level + 2" aria-selected="false">
                 <button [id]="idMap['pasteButton' + i]" (click)="clipboardService.pasteFromClipboard(inputBlock.connection)"
                         [disabled]="!isCompatibleWithClipboard(inputBlock.connection)">
                   {{'PASTE'|translate}}

From 877aa7522d4e1cead6cff8b0006bc10c18ec0c4f Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Tue, 19 Jul 2016 16:34:48 -0700
Subject: [PATCH 16/17] Fix mutator/warning/comment icons to highlight on mouse
 over only if they are usable.

---
 core/block_svg.js |  8 +++-----
 core/icon.js      | 11 ++++-------
 core/mutator.js   | 24 +++++++++++++++---------
 3 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/core/block_svg.js b/core/block_svg.js
index af19bb4a1..7369235d5 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -945,11 +945,9 @@ Blockly.BlockSvg.prototype.setMovable = function(movable) {
  */
 Blockly.BlockSvg.prototype.setEditable = function(editable) {
   Blockly.BlockSvg.superClass_.setEditable.call(this, editable);
-  if (this.rendered) {
-    var icons = this.getIcons();
-    for (var i = 0; i < icons.length; i++) {
-      icons[i].updateEditable();
-    }
+  var icons = this.getIcons();
+  for (var i = 0; i < icons.length; i++) {
+    icons[i].updateEditable();
   }
 };
 
diff --git a/core/icon.js b/core/icon.js
index 395c98544..b10e18148 100644
--- a/core/icon.js
+++ b/core/icon.js
@@ -78,6 +78,10 @@ Blockly.Icon.prototype.createIcon = function() {
   */
   this.iconGroup_ = Blockly.createSvgElement('g',
       {'class': 'blocklyIconGroup'}, null);
+  if (this.block_.isInFlyout) {
+    Blockly.addClass_(/** @type {!Element} */ (this.iconGroup_),
+                      'blocklyIconGroupReadonly');
+  }
   this.drawIcon_(this.iconGroup_);
 
   this.block_.getSvgRoot().appendChild(this.iconGroup_);
@@ -101,13 +105,6 @@ Blockly.Icon.prototype.dispose = function() {
  * Add or remove the UI indicating if this icon may be clicked or not.
  */
 Blockly.Icon.prototype.updateEditable = function() {
-  if (this.block_.isInFlyout || !this.block_.isEditable()) {
-    Blockly.addClass_(/** @type {!Element} */ (this.iconGroup_),
-                      'blocklyIconGroupReadonly');
-  } else {
-    Blockly.removeClass_(/** @type {!Element} */ (this.iconGroup_),
-                         'blocklyIconGroupReadonly');
-  }
 };
 
 /**
diff --git a/core/mutator.js b/core/mutator.js
index d28beb49f..8a8500cda 100644
--- a/core/mutator.js
+++ b/core/mutator.js
@@ -139,17 +139,23 @@ Blockly.Mutator.prototype.createEditor_ = function() {
  * Add or remove the UI indicating if this icon may be clicked or not.
  */
 Blockly.Mutator.prototype.updateEditable = function() {
-  if (this.block_.isEditable()) {
-    // Default behaviour for an icon.
-    Blockly.Icon.prototype.updateEditable.call(this);
-  } else {
-    // Close any mutator bubble.  Icon is not clickable.
-    this.setVisible(false);
-    if (this.iconGroup_) {
-      Blockly.addClass_(/** @type {!Element} */ (this.iconGroup_),
-                        'blocklyIconGroupReadonly');
+  if (!this.block_.isInFlyout) {
+    if (this.block_.isEditable()) {
+      if (this.iconGroup_) {
+        Blockly.removeClass_(/** @type {!Element} */ (this.iconGroup_),
+                             'blocklyIconGroupReadonly');
+      }
+    } else {
+      // Close any mutator bubble.  Icon is not clickable.
+      this.setVisible(false);
+      if (this.iconGroup_) {
+        Blockly.addClass_(/** @type {!Element} */ (this.iconGroup_),
+                          'blocklyIconGroupReadonly');
+      }
     }
   }
+  // Default behaviour for an icon.
+  Blockly.Icon.prototype.updateEditable.call(this);
 };
 
 /**

From 19005ca3bf758935cdc0347e6cd964f965ca1bab Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Tue, 19 Jul 2016 16:44:12 -0700
Subject: [PATCH 17/17] Routine recompile.

---
 blockly_compressed.js   | 208 ++++++++++++++++++++--------------------
 blockly_uncompressed.js |  15 +--
 blocks_compressed.js    |  31 +++---
 core/field.js           |   2 +-
 dart_compressed.js      |   4 +-
 msg/js/es.js            |   8 +-
 msg/js/he.js            |   4 +-
 msg/js/hu.js            |   2 +-
 msg/js/ko.js            |   6 +-
 msg/js/lb.js            |   4 +-
 msg/js/lt.js            |  32 +++----
 msg/js/pt.js            |   2 +-
 msg/js/ta.js            |   2 +-
 13 files changed, 159 insertions(+), 161 deletions(-)

diff --git a/blockly_compressed.js b/blockly_compressed.js
index 4fefd9d14..a4edc0301 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -11,22 +11,23 @@ goog.setTestOnly=function(a){if(goog.DISALLOW_TEST_ONLY_CODE)throw a=a||"",Error
 goog.getObjectByName=function(a,b){for(var c=a.split("."),d=b||goog.global,e;e=c.shift();)if(goog.isDefAndNotNull(d[e]))d=d[e];else return null;return d};goog.globalize=function(a,b){var c=b||goog.global,d;for(d in a)c[d]=a[d]};
 goog.addDependency=function(a,b,c,d){if(goog.DEPENDENCIES_ENABLED){var e;a=a.replace(/\\/g,"/");var f=goog.dependencies_;d&&"boolean"!==typeof d||(d=d?{module:"goog"}:{});for(var g=0;e=b[g];g++)f.nameToPath[e]=a,f.loadFlags[a]=d;for(d=0;b=c[d];d++)a in f.requires||(f.requires[a]={}),f.requires[a][b]=!0}};goog.ENABLE_DEBUG_LOADER=!0;goog.logToConsole_=function(a){goog.global.console&&goog.global.console.error(a)};
 goog.require=function(a){if(!COMPILED){goog.ENABLE_DEBUG_LOADER&&goog.IS_OLD_IE_&&goog.maybeProcessDeferredDep_(a);if(goog.isProvided_(a))return goog.isInModuleLoader_()?goog.module.getInternal_(a):null;if(goog.ENABLE_DEBUG_LOADER){var b=goog.getPathFromDeps_(a);if(b)return goog.writeScripts_(b),null}a="goog.require could not find: "+a;goog.logToConsole_(a);throw Error(a);}};goog.basePath="";goog.nullFunction=function(){};
-goog.abstractMethod=function(){throw Error("unimplemented abstract method");};goog.addSingletonGetter=function(a){a.getInstance=function(){if(a.instance_)return a.instance_;goog.DEBUG&&(goog.instantiatedSingletons_[goog.instantiatedSingletons_.length]=a);return a.instance_=new a}};goog.instantiatedSingletons_=[];goog.LOAD_MODULE_USING_EVAL=!0;goog.SEAL_MODULE_EXPORTS=goog.DEBUG;goog.loadedModules_={};goog.DEPENDENCIES_ENABLED=!COMPILED&&goog.ENABLE_DEBUG_LOADER;goog.ALWAYS_TRANSPILE=!1;
-goog.NEVER_TRANSPILE=!1;
+goog.abstractMethod=function(){throw Error("unimplemented abstract method");};goog.addSingletonGetter=function(a){a.getInstance=function(){if(a.instance_)return a.instance_;goog.DEBUG&&(goog.instantiatedSingletons_[goog.instantiatedSingletons_.length]=a);return a.instance_=new a}};goog.instantiatedSingletons_=[];goog.LOAD_MODULE_USING_EVAL=!0;goog.SEAL_MODULE_EXPORTS=goog.DEBUG;goog.loadedModules_={};goog.DEPENDENCIES_ENABLED=!COMPILED&&goog.ENABLE_DEBUG_LOADER;goog.TRANSPILE="detect";
+goog.TRANSPILER="transpile.js";
 goog.DEPENDENCIES_ENABLED&&(goog.dependencies_={loadFlags:{},nameToPath:{},requires:{},visited:{},written:{},deferred:{}},goog.inHtmlDocument_=function(){var a=goog.global.document;return null!=a&&"write"in a},goog.findBasePath_=function(){if(goog.isDef(goog.global.CLOSURE_BASE_PATH))goog.basePath=goog.global.CLOSURE_BASE_PATH;else if(goog.inHtmlDocument_())for(var a=goog.global.document.getElementsByTagName("SCRIPT"),b=a.length-1;0<=b;--b){var c=a[b].src,d=c.lastIndexOf("?"),d=-1==d?c.length:d;if("base.js"==
 c.substr(d-7,7)){goog.basePath=c.substr(0,d-7);break}}},goog.importScript_=function(a,b){(goog.global.CLOSURE_IMPORT_SCRIPT||goog.writeScriptTag_)(a,b)&&(goog.dependencies_.written[a]=!0)},goog.IS_OLD_IE_=!(goog.global.atob||!goog.global.document||!goog.global.document.all),goog.importProcessedScript_=function(a,b,c){goog.importScript_("",'goog.retrieveAndExec_("'+a+'", '+b+", "+c+");")},goog.queuedModules_=[],goog.wrapModule_=function(a,b){return goog.LOAD_MODULE_USING_EVAL&&goog.isDef(goog.global.JSON)?
 "goog.loadModule("+goog.global.JSON.stringify(b+"\n//# sourceURL="+a+"\n")+");":'goog.loadModule(function(exports) {"use strict";'+b+"\n;return exports});\n//# sourceURL="+a+"\n"},goog.loadQueuedModules_=function(){var a=goog.queuedModules_.length;if(0<a){var b=goog.queuedModules_;goog.queuedModules_=[];for(var c=0;c<a;c++)goog.maybeProcessDeferredPath_(b[c])}},goog.maybeProcessDeferredDep_=function(a){goog.isDeferredModule_(a)&&goog.allDepsAreAvailable_(a)&&(a=goog.getPathFromDeps_(a),goog.maybeProcessDeferredPath_(goog.basePath+
 a))},goog.isDeferredModule_=function(a){var b=(a=goog.getPathFromDeps_(a))&&goog.dependencies_.loadFlags[a]||{};return a&&("goog"==b.module||goog.needsTranspile_(b.lang))?goog.basePath+a in goog.dependencies_.deferred:!1},goog.allDepsAreAvailable_=function(a){if((a=goog.getPathFromDeps_(a))&&a in goog.dependencies_.requires)for(var b in goog.dependencies_.requires[a])if(!goog.isProvided_(b)&&!goog.isDeferredModule_(b))return!1;return!0},goog.maybeProcessDeferredPath_=function(a){if(a in goog.dependencies_.deferred){var b=
-goog.dependencies_.deferred[a];delete goog.dependencies_.deferred[a];goog.globalEval(b)}},goog.loadModuleFromUrl=function(a){goog.retrieveAndExec_(a,!0,!1)},goog.loadModule=function(a){var b=goog.moduleLoaderState_;try{goog.moduleLoaderState_={moduleName:void 0,declareLegacyNamespace:!1};var c;if(goog.isFunction(a))c=a.call(goog.global,{});else if(goog.isString(a))c=goog.loadModuleFromSource_.call(goog.global,a);else throw Error("Invalid module definition");var d=goog.moduleLoaderState_.moduleName;
-if(!goog.isString(d)||!d)throw Error('Invalid module name "'+d+'"');goog.moduleLoaderState_.declareLegacyNamespace?goog.constructNamespace_(d,c):goog.SEAL_MODULE_EXPORTS&&Object.seal&&Object.seal(c);goog.loadedModules_[d]=c}finally{goog.moduleLoaderState_=b}},goog.loadModuleFromSource_=function(a){eval(a);return{}},goog.writeScriptSrcNode_=function(a){goog.global.document.write('<script type="text/javascript" src="'+a+'">\x3c/script>')},goog.appendScriptSrcNode_=function(a){var b=goog.global.document,
-c=b.createElement("script");c.type="text/javascript";c.src=a;c.defer=!1;c.async=!1;b.head.appendChild(c)},goog.writeScriptTag_=function(a,b){if(goog.inHtmlDocument_()){var c=goog.global.document;if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&"complete"==c.readyState){if(/\bdeps.js$/.test(a))return!1;throw Error('Cannot write "'+a+'" after document load');}if(void 0===b)if(goog.IS_OLD_IE_){var d=" onreadystatechange='goog.onScriptLoad_(this, "+ ++goog.lastNonModuleScriptIndex_+")' ";c.write('<script type="text/javascript" src="'+
-a+'"'+d+">\x3c/script>")}else goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING?goog.appendScriptSrcNode_(a):goog.writeScriptSrcNode_(a);else c.write('<script type="text/javascript">'+b+"\x3c/script>");return!0}return!1},goog.needsTranspile_=function(a){if(goog.ALWAYS_TRANSPILE)return!0;if(goog.NEVER_TRANSPILE)return!1;if(!goog.transpiledLanguages_){goog.transpiledLanguages_={es5:!0,es6:!0,"es6-impl":!0};try{goog.transpiledLanguages_.es5=eval("[1,].length!=1"),eval('(()=>{"use strict";let a={};const X=class{constructor(){}x(z){return new Map([...arguments]).get(z[0])==3}};return new X().x([a,3])})()')&&
-(goog.transpiledLanguages_["es6-impl"]=!1),eval('(()=>{"use strict";class X{constructor(){if(new.target!=String)throw 1;this.x=42}}let q=Reflect.construct(X,[],String);if(q.x!=42||!(q instanceof String))throw 1;for(const a of[2,3]){if(a==2)continue;function f(z={a}){let a=0;return z.a}{function f(){return 0;}}return f()==3}})()')&&(goog.transpiledLanguages_.es6=!1)}catch(b){}}return!!goog.transpiledLanguages_[a]},goog.transpiledLanguages_=null,goog.lastNonModuleScriptIndex_=0,goog.onScriptLoad_=function(a,
-b){"complete"==a.readyState&&goog.lastNonModuleScriptIndex_==b&&goog.loadQueuedModules_();return!0},goog.writeScripts_=function(a){function b(a){if(!(a in e.written||a in e.visited)){e.visited[a]=!0;if(a in e.requires)for(var f in e.requires[a])if(!goog.isProvided_(f))if(f in e.nameToPath)b(e.nameToPath[f]);else throw Error("Undefined nameToPath for "+f);a in d||(d[a]=!0,c.push(a))}}var c=[],d={},e=goog.dependencies_;b(a);for(a=0;a<c.length;a++){var f=c[a];goog.dependencies_.written[f]=!0}var g=goog.moduleLoaderState_;
-goog.moduleLoaderState_=null;for(a=0;a<c.length;a++)if(f=c[a]){var h=e.loadFlags[f]||{},k=goog.needsTranspile_(h.lang);"goog"==h.module||k?goog.importProcessedScript_(goog.basePath+f,"goog"==h.module,k):goog.importScript_(goog.basePath+f)}else throw goog.moduleLoaderState_=g,Error("Undefined script input");goog.moduleLoaderState_=g},goog.getPathFromDeps_=function(a){return a in goog.dependencies_.nameToPath?goog.dependencies_.nameToPath[a]:null},goog.findBasePath_(),goog.global.CLOSURE_NO_DEPS||goog.importScript_(goog.basePath+
-"deps.js"));goog.normalizePath_=function(a){a=a.split("/");for(var b=0;b<a.length;)"."==a[b]?a.splice(b,1):b&&".."==a[b]&&a[b-1]&&".."!=a[b-1]?a.splice(--b,2):b++;return a.join("/")};goog.loadFileSync_=function(a){if(goog.global.CLOSURE_LOAD_FILE_SYNC)return goog.global.CLOSURE_LOAD_FILE_SYNC(a);var b=new goog.global.XMLHttpRequest;b.open("get",a,!1);b.send();return 200==b.status?b.responseText:null};
+goog.dependencies_.deferred[a];delete goog.dependencies_.deferred[a];goog.globalEval(b)}},goog.loadModuleFromUrl=function(a){goog.retrieveAndExec_(a,!0,!1)},goog.writeScriptSrcNode_=function(a){goog.global.document.write('<script type="text/javascript" src="'+a+'">\x3c/script>')},goog.appendScriptSrcNode_=function(a){var b=goog.global.document,c=b.createElement("script");c.type="text/javascript";c.src=a;c.defer=!1;c.async=!1;b.head.appendChild(c)},goog.writeScriptTag_=function(a,b){if(goog.inHtmlDocument_()){var c=
+goog.global.document;if(!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING&&"complete"==c.readyState){if(/\bdeps.js$/.test(a))return!1;throw Error('Cannot write "'+a+'" after document load');}if(void 0===b)if(goog.IS_OLD_IE_){var d=" onreadystatechange='goog.onScriptLoad_(this, "+ ++goog.lastNonModuleScriptIndex_+")' ";c.write('<script type="text/javascript" src="'+a+'"'+d+">\x3c/script>")}else goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING?goog.appendScriptSrcNode_(a):goog.writeScriptSrcNode_(a);else c.write('<script type="text/javascript">'+
+b+"\x3c/script>");return!0}return!1},goog.needsTranspile_=function(a){if("always"==goog.TRANSPILE)return!0;if("never"==goog.TRANSPILE)return!1;if(!goog.transpiledLanguages_){goog.transpiledLanguages_={es5:!0,es6:!0,"es6-impl":!0};try{goog.transpiledLanguages_.es5=eval("[1,].length!=1"),eval('(()=>{"use strict";let a={};const X=class{constructor(){}x(z){return new Map([...arguments]).get(z[0])==3}};return new X().x([a,3])})()')&&(goog.transpiledLanguages_["es6-impl"]=!1),eval('(()=>{"use strict";class X{constructor(){if(new.target!=String)throw 1;this.x=42}}let q=Reflect.construct(X,[],String);if(q.x!=42||!(q instanceof String))throw 1;for(const a of[2,3]){if(a==2)continue;function f(z={a}){let a=0;return z.a}{function f(){return 0;}}return f()==3}})()')&&
+(goog.transpiledLanguages_.es6=!1)}catch(b){}}return!!goog.transpiledLanguages_[a]},goog.transpiledLanguages_=null,goog.lastNonModuleScriptIndex_=0,goog.onScriptLoad_=function(a,b){"complete"==a.readyState&&goog.lastNonModuleScriptIndex_==b&&goog.loadQueuedModules_();return!0},goog.writeScripts_=function(a){function b(a){if(!(a in e.written||a in e.visited)){e.visited[a]=!0;if(a in e.requires)for(var f in e.requires[a])if(!goog.isProvided_(f))if(f in e.nameToPath)b(e.nameToPath[f]);else throw Error("Undefined nameToPath for "+
+f);a in d||(d[a]=!0,c.push(a))}}var c=[],d={},e=goog.dependencies_;b(a);for(a=0;a<c.length;a++){var f=c[a];goog.dependencies_.written[f]=!0}var g=goog.moduleLoaderState_;goog.moduleLoaderState_=null;for(a=0;a<c.length;a++)if(f=c[a]){var h=e.loadFlags[f]||{},k=goog.needsTranspile_(h.lang);"goog"==h.module||k?goog.importProcessedScript_(goog.basePath+f,"goog"==h.module,k):goog.importScript_(goog.basePath+f)}else throw goog.moduleLoaderState_=g,Error("Undefined script input");goog.moduleLoaderState_=
+g},goog.getPathFromDeps_=function(a){return a in goog.dependencies_.nameToPath?goog.dependencies_.nameToPath[a]:null},goog.findBasePath_(),goog.global.CLOSURE_NO_DEPS||goog.importScript_(goog.basePath+"deps.js"));
+goog.loadModule=function(a){var b=goog.moduleLoaderState_;try{goog.moduleLoaderState_={moduleName:void 0,declareLegacyNamespace:!1};var c;if(goog.isFunction(a))c=a.call(void 0,{});else if(goog.isString(a))c=goog.loadModuleFromSource_.call(void 0,a);else throw Error("Invalid module definition");var d=goog.moduleLoaderState_.moduleName;if(!goog.isString(d)||!d)throw Error('Invalid module name "'+d+'"');goog.moduleLoaderState_.declareLegacyNamespace?goog.constructNamespace_(d,c):goog.SEAL_MODULE_EXPORTS&&
+Object.seal&&Object.seal(c);goog.loadedModules_[d]=c}finally{goog.moduleLoaderState_=b}};goog.loadModuleFromSource_=function(a){eval(a);return{}};goog.normalizePath_=function(a){a=a.split("/");for(var b=0;b<a.length;)"."==a[b]?a.splice(b,1):b&&".."==a[b]&&a[b-1]&&".."!=a[b-1]?a.splice(--b,2):b++;return a.join("/")};
+goog.loadFileSync_=function(a){if(goog.global.CLOSURE_LOAD_FILE_SYNC)return goog.global.CLOSURE_LOAD_FILE_SYNC(a);try{var b=new goog.global.XMLHttpRequest;b.open("get",a,!1);b.send();return 0==b.status||200==b.status?b.responseText:null}catch(c){return null}};
 goog.retrieveAndExec_=function(a,b,c){if(!COMPILED){var d=a;a=goog.normalizePath_(a);var e=goog.global.CLOSURE_IMPORT_SCRIPT||goog.writeScriptTag_,f=goog.loadFileSync_(a);if(null==f)throw Error('Load of "'+a+'" failed');c&&(f=goog.transpile_.call(goog.global,f,a));f=b?goog.wrapModule_(a,f):f+("\n//# sourceURL="+a);goog.IS_OLD_IE_?(goog.dependencies_.deferred[d]=f,goog.queuedModules_.push(d)):e(a,f)}};
-goog.transpile_=function(a,b){var c=goog.global.$jscomp;c||(goog.global.$jscomp=c={});var d=c.transpile;if(!d){var e=goog.basePath+"transpile.js",f=goog.loadFileSync_(e);f&&(eval(f+"\n//# sourceURL="+e),c=goog.global.$jscomp,d=c.transpile)}d||(d=c.transpile=function(a,b){goog.logToConsole_(b+" requires transpilation but no transpiler was found.");return a});return d(a,b)};
+goog.transpile_=function(a,b){var c=goog.global.$jscomp;c||(goog.global.$jscomp=c={});var d=c.transpile;if(!d){var e=goog.basePath+goog.TRANSPILER,f=goog.loadFileSync_(e);f&&(eval(f+"\n//# sourceURL="+e),c=goog.global.$jscomp,d=c.transpile)}d||(d=c.transpile=function(a,b){goog.logToConsole_(b+" requires transpilation but no transpiler was found.");return a});return d(a,b)};
 goog.typeOf=function(a){var b=typeof a;if("object"==b)if(a){if(a instanceof Array)return"array";if(a instanceof Object)return b;var c=Object.prototype.toString.call(a);if("[object Window]"==c)return"object";if("[object Array]"==c||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return"array";if("[object Function]"==c||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return"function"}else return"null";
 else if("function"==b&&"undefined"==typeof a.call)return"object";return b};goog.isNull=function(a){return null===a};goog.isDefAndNotNull=function(a){return null!=a};goog.isArray=function(a){return"array"==goog.typeOf(a)};goog.isArrayLike=function(a){var b=goog.typeOf(a);return"array"==b||"object"==b&&"number"==typeof a.length};goog.isDateLike=function(a){return goog.isObject(a)&&"function"==typeof a.getFullYear};goog.isString=function(a){return"string"==typeof a};
 goog.isBoolean=function(a){return"boolean"==typeof a};goog.isNumber=function(a){return"number"==typeof a};goog.isFunction=function(a){return"function"==goog.typeOf(a)};goog.isObject=function(a){var b=typeof a;return"object"==b&&null!=a||"function"==b};goog.getUid=function(a){return a[goog.UID_PROPERTY_]||(a[goog.UID_PROPERTY_]=++goog.uidCounter_)};goog.hasUid=function(a){return!!a[goog.UID_PROPERTY_]};
@@ -191,8 +192,8 @@ goog.html.SafeHtml.unwrap=function(a){if(a instanceof goog.html.SafeHtml&&a.cons
 goog.html.SafeHtml.htmlEscape=function(a){if(a instanceof goog.html.SafeHtml)return a;var b=null;a.implementsGoogI18nBidiDirectionalString&&(b=a.getDirection());a=a.implementsGoogStringTypedString?a.getTypedStringValue():String(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.htmlEscape(a),b)};
 goog.html.SafeHtml.htmlEscapePreservingNewlines=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.newLineToBr(goog.html.SafeHtml.unwrap(a)),a.getDirection())};
 goog.html.SafeHtml.htmlEscapePreservingNewlinesAndSpaces=function(a){if(a instanceof goog.html.SafeHtml)return a;a=goog.html.SafeHtml.htmlEscape(a);return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(goog.string.whitespaceEscape(goog.html.SafeHtml.unwrap(a)),a.getDirection())};goog.html.SafeHtml.from=goog.html.SafeHtml.htmlEscape;goog.html.SafeHtml.VALID_NAMES_IN_TAG_=/^[a-zA-Z0-9-]+$/;
-goog.html.SafeHtml.URL_ATTRIBUTES_={action:!0,cite:!0,data:!0,formaction:!0,href:!0,manifest:!0,poster:!0,src:!0};goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_=goog.object.createSet(goog.dom.TagName.APPLET,goog.dom.TagName.BASE,goog.dom.TagName.EMBED,goog.dom.TagName.IFRAME,goog.dom.TagName.LINK,goog.dom.TagName.MATH,goog.dom.TagName.META,goog.dom.TagName.OBJECT,goog.dom.TagName.SCRIPT,goog.dom.TagName.STYLE,goog.dom.TagName.SVG,goog.dom.TagName.TEMPLATE);
-goog.html.SafeHtml.create=function(a,b,c){goog.html.SafeHtml.verifyTagName(a);return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(a,b,c)};goog.html.SafeHtml.verifyTagName=function(a){if(!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(a))throw Error("Invalid tag name <"+a+">.");if(a.toUpperCase()in goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_)throw Error("Tag name <"+a+"> is not allowed for SafeHtml.");};
+goog.html.SafeHtml.URL_ATTRIBUTES_={action:!0,cite:!0,data:!0,formaction:!0,href:!0,manifest:!0,poster:!0,src:!0};goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_={APPLET:!0,BASE:!0,EMBED:!0,IFRAME:!0,LINK:!0,MATH:!0,META:!0,OBJECT:!0,SCRIPT:!0,STYLE:!0,SVG:!0,TEMPLATE:!0};goog.html.SafeHtml.create=function(a,b,c){goog.html.SafeHtml.verifyTagName(a);return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse(a,b,c)};
+goog.html.SafeHtml.verifyTagName=function(a){if(!goog.html.SafeHtml.VALID_NAMES_IN_TAG_.test(a))throw Error("Invalid tag name <"+a+">.");if(a.toUpperCase()in goog.html.SafeHtml.NOT_ALLOWED_TAG_NAMES_)throw Error("Tag name <"+a+"> is not allowed for SafeHtml.");};
 goog.html.SafeHtml.createIframe=function(a,b,c,d){a&&goog.html.TrustedResourceUrl.unwrap(a);var e={};e.src=a||null;e.srcdoc=b&&goog.html.SafeHtml.unwrap(b);a=goog.html.SafeHtml.combineAttributes(e,{sandbox:""},c);return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("iframe",a,d)};
 goog.html.SafeHtml.createSandboxIframe=function(a,b,c,d){if(!goog.html.SafeHtml.canUseSandboxIframe())throw Error("The browser does not support sandboxed iframes.");var e={};e.src=a?goog.html.SafeUrl.unwrap(goog.html.SafeUrl.sanitize(a)):null;e.srcdoc=b||null;e.sandbox="";a=goog.html.SafeHtml.combineAttributes(e,{},c);return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("iframe",a,d)};
 goog.html.SafeHtml.canUseSandboxIframe=function(){return goog.global.HTMLIFrameElement&&"sandbox"in goog.global.HTMLIFrameElement.prototype};goog.html.SafeHtml.createScriptSrc=function(a,b){goog.html.TrustedResourceUrl.unwrap(a);var c=goog.html.SafeHtml.combineAttributes({src:a},{},b);return goog.html.SafeHtml.createSafeHtmlTagSecurityPrivateDoNotAccessOrElse("script",c)};
@@ -211,7 +212,15 @@ goog.dom.safe.setAnchorHref=function(a,b){var c;c=b instanceof goog.html.SafeUrl
 goog.dom.safe.setIframeSrc=function(a,b){a.src=goog.html.TrustedResourceUrl.unwrap(b)};
 goog.dom.safe.setLinkHrefAndRel=function(a,b,c){a.rel=c;goog.string.caseInsensitiveContains(c,"stylesheet")?(goog.asserts.assert(b instanceof goog.html.TrustedResourceUrl,'URL must be TrustedResourceUrl because "rel" contains "stylesheet"'),a.href=goog.html.TrustedResourceUrl.unwrap(b)):a.href=b instanceof goog.html.TrustedResourceUrl?goog.html.TrustedResourceUrl.unwrap(b):b instanceof goog.html.SafeUrl?goog.html.SafeUrl.unwrap(b):goog.html.SafeUrl.sanitize(b).getTypedStringValue()};
 goog.dom.safe.setObjectData=function(a,b){a.data=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setScriptSrc=function(a,b){a.src=goog.html.TrustedResourceUrl.unwrap(b)};goog.dom.safe.setLocationHref=function(a,b){var c;c=b instanceof goog.html.SafeUrl?b:goog.html.SafeUrl.sanitize(b);a.href=goog.html.SafeUrl.unwrap(c)};
-goog.dom.safe.openInWindow=function(a,b,c,d,e){a=a instanceof goog.html.SafeUrl?a:goog.html.SafeUrl.sanitize(a);return(b||window).open(goog.html.SafeUrl.unwrap(a),c?goog.string.Const.unwrap(c):"",d,e)};goog.math.Coordinate=function(a,b){this.x=goog.isDef(a)?a:0;this.y=goog.isDef(b)?b:0};goog.math.Coordinate.prototype.clone=function(){return new goog.math.Coordinate(this.x,this.y)};goog.DEBUG&&(goog.math.Coordinate.prototype.toString=function(){return"("+this.x+", "+this.y+")"});goog.math.Coordinate.equals=function(a,b){return a==b?!0:a&&b?a.x==b.x&&a.y==b.y:!1};goog.math.Coordinate.distance=function(a,b){var c=a.x-b.x,d=a.y-b.y;return Math.sqrt(c*c+d*d)};
+goog.dom.safe.openInWindow=function(a,b,c,d,e){a=a instanceof goog.html.SafeUrl?a:goog.html.SafeUrl.sanitize(a);return(b||window).open(goog.html.SafeUrl.unwrap(a),c?goog.string.Const.unwrap(c):"",d,e)};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
+goog.html.SafeScript.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeScriptWrappedValue_};goog.DEBUG&&(goog.html.SafeScript.prototype.toString=function(){return"SafeScript{"+this.privateDoNotAccessOrElseSafeScriptWrappedValue_+"}"});
+goog.html.SafeScript.unwrap=function(a){if(a instanceof goog.html.SafeScript&&a.constructor===goog.html.SafeScript&&a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeScriptWrappedValue_;goog.asserts.fail("expected object of type SafeScript, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeScript"};goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse=function(a){return(new goog.html.SafeScript).initSecurityPrivateDoNotAccessOrElse_(a)};
+goog.html.SafeScript.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeScriptWrappedValue_=a;return this};goog.html.SafeScript.EMPTY=goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse("");goog.html.uncheckedconversions={};goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract=function(a,b,c){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(b,c||null)};
+goog.html.uncheckedconversions.safeScriptFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmpty(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(b)};
+goog.html.uncheckedconversions.safeStyleFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)};
+goog.html.uncheckedconversions.safeStyleSheetFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b)};
+goog.html.uncheckedconversions.safeUrlFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b)};
+goog.html.uncheckedconversions.trustedResourceUrlFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(b)};goog.math.Coordinate=function(a,b){this.x=goog.isDef(a)?a:0;this.y=goog.isDef(b)?b:0};goog.math.Coordinate.prototype.clone=function(){return new goog.math.Coordinate(this.x,this.y)};goog.DEBUG&&(goog.math.Coordinate.prototype.toString=function(){return"("+this.x+", "+this.y+")"});goog.math.Coordinate.equals=function(a,b){return a==b?!0:a&&b?a.x==b.x&&a.y==b.y:!1};goog.math.Coordinate.distance=function(a,b){var c=a.x-b.x,d=a.y-b.y;return Math.sqrt(c*c+d*d)};
 goog.math.Coordinate.magnitude=function(a){return Math.sqrt(a.x*a.x+a.y*a.y)};goog.math.Coordinate.azimuth=function(a){return goog.math.angle(0,0,a.x,a.y)};goog.math.Coordinate.squaredDistance=function(a,b){var c=a.x-b.x,d=a.y-b.y;return c*c+d*d};goog.math.Coordinate.difference=function(a,b){return new goog.math.Coordinate(a.x-b.x,a.y-b.y)};goog.math.Coordinate.sum=function(a,b){return new goog.math.Coordinate(a.x+b.x,a.y+b.y)};
 goog.math.Coordinate.prototype.ceil=function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this};goog.math.Coordinate.prototype.floor=function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this};goog.math.Coordinate.prototype.round=function(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this};
 goog.math.Coordinate.prototype.translate=function(a,b){a instanceof goog.math.Coordinate?(this.x+=a.x,this.y+=a.y):(this.x+=Number(a),goog.isNumber(b)&&(this.y+=b));return this};goog.math.Coordinate.prototype.scale=function(a,b){var c=goog.isNumber(b)?b:a;this.x*=a;this.y*=c;return this};goog.math.Coordinate.prototype.rotateRadians=function(a,b){var c=b||new goog.math.Coordinate(0,0),d=this.x,e=this.y,f=Math.cos(a),g=Math.sin(a);this.x=(d-c.x)*f-(e-c.y)*g+c.x;this.y=(d-c.x)*g+(e-c.y)*f+c.y};
@@ -229,11 +238,12 @@ goog.dom.getDocumentHeight=function(){return goog.dom.getDocumentHeight_(window)
 goog.dom.getDocumentHeight_=function(a){var b=a.document,c=0;if(b){var c=b.body,d=b.documentElement;if(!d||!c)return 0;a=goog.dom.getViewportSize_(a).height;if(goog.dom.isCss1CompatMode_(b)&&d.scrollHeight)c=d.scrollHeight!=a?d.scrollHeight:d.offsetHeight;else{var b=d.scrollHeight,e=d.offsetHeight;d.clientHeight!=e&&(b=c.scrollHeight,e=c.offsetHeight);c=b>a?b>e?b:e:b<e?b:e}}return c};goog.dom.getPageScroll=function(a){return goog.dom.getDomHelper((a||goog.global||window).document).getDocumentScroll()};
 goog.dom.getDocumentScroll=function(){return goog.dom.getDocumentScroll_(document)};goog.dom.getDocumentScroll_=function(a){var b=goog.dom.getDocumentScrollElement_(a);a=goog.dom.getWindow_(a);return goog.userAgent.IE&&goog.userAgent.isVersionOrHigher("10")&&a.pageYOffset!=b.scrollTop?new goog.math.Coordinate(b.scrollLeft,b.scrollTop):new goog.math.Coordinate(a.pageXOffset||b.scrollLeft,a.pageYOffset||b.scrollTop)};goog.dom.getDocumentScrollElement=function(){return goog.dom.getDocumentScrollElement_(document)};
 goog.dom.getDocumentScrollElement_=function(a){return a.scrollingElement?a.scrollingElement:!goog.userAgent.WEBKIT&&goog.dom.isCss1CompatMode_(a)?a.documentElement:a.body||a.documentElement};goog.dom.getWindow=function(a){return a?goog.dom.getWindow_(a):window};goog.dom.getWindow_=function(a){return a.parentWindow||a.defaultView};goog.dom.createDom=function(a,b,c){return goog.dom.createDom_(document,arguments)};
-goog.dom.createDom_=function(a,b){var c=b[0],d=b[1];if(!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES&&d&&(d.name||d.type)){c=["<",c];d.name&&c.push(' name="',goog.string.htmlEscape(d.name),'"');if(d.type){c.push(' type="',goog.string.htmlEscape(d.type),'"');var e={};goog.object.extend(e,d);delete e.type;d=e}c.push(">");c=c.join("")}c=a.createElement(c);d&&(goog.isString(d)?c.className=d:goog.isArray(d)?c.className=d.join(" "):goog.dom.setProperties(c,d));2<b.length&&goog.dom.append_(a,
-c,b,2);return c};goog.dom.append_=function(a,b,c,d){function e(c){c&&b.appendChild(goog.isString(c)?a.createTextNode(c):c)}for(;d<c.length;d++){var f=c[d];goog.isArrayLike(f)&&!goog.dom.isNodeLike(f)?goog.array.forEach(goog.dom.isNodeList(f)?goog.array.toArray(f):f,e):e(f)}};goog.dom.$dom=goog.dom.createDom;goog.dom.createElement=function(a){return document.createElement(a)};goog.dom.createTextNode=function(a){return document.createTextNode(String(a))};
-goog.dom.createTable=function(a,b,c){return goog.dom.createTable_(document,a,b,!!c)};goog.dom.createTable_=function(a,b,c,d){for(var e=a.createElement(goog.dom.TagName.TABLE),f=e.appendChild(a.createElement(goog.dom.TagName.TBODY)),g=0;g<b;g++){for(var h=a.createElement(goog.dom.TagName.TR),k=0;k<c;k++){var m=a.createElement(goog.dom.TagName.TD);d&&goog.dom.setTextContent(m,goog.string.Unicode.NBSP);h.appendChild(m)}f.appendChild(h)}return e};
-goog.dom.safeHtmlToNode=function(a){return goog.dom.safeHtmlToNode_(document,a)};goog.dom.safeHtmlToNode_=function(a,b){var c=a.createElement(goog.dom.TagName.DIV);goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT?(goog.dom.safe.setInnerHtml(c,goog.html.SafeHtml.concat(goog.html.SafeHtml.BR,b)),c.removeChild(c.firstChild)):goog.dom.safe.setInnerHtml(c,b);return goog.dom.childrenToNode_(a,c)};
-goog.dom.childrenToNode_=function(a,b){if(1==b.childNodes.length)return b.removeChild(b.firstChild);for(var c=a.createDocumentFragment();b.firstChild;)c.appendChild(b.firstChild);return c};goog.dom.isCss1CompatMode=function(){return goog.dom.isCss1CompatMode_(document)};goog.dom.isCss1CompatMode_=function(a){return goog.dom.COMPAT_MODE_KNOWN_?goog.dom.ASSUME_STANDARDS_MODE:"CSS1Compat"==a.compatMode};goog.dom.canHaveChildren=function(a){if(a.nodeType!=goog.dom.NodeType.ELEMENT)return!1;switch(a.tagName){case goog.dom.TagName.APPLET:case goog.dom.TagName.AREA:case goog.dom.TagName.BASE:case goog.dom.TagName.BR:case goog.dom.TagName.COL:case goog.dom.TagName.COMMAND:case goog.dom.TagName.EMBED:case goog.dom.TagName.FRAME:case goog.dom.TagName.HR:case goog.dom.TagName.IMG:case goog.dom.TagName.INPUT:case goog.dom.TagName.IFRAME:case goog.dom.TagName.ISINDEX:case goog.dom.TagName.KEYGEN:case goog.dom.TagName.LINK:case goog.dom.TagName.NOFRAMES:case goog.dom.TagName.NOSCRIPT:case goog.dom.TagName.META:case goog.dom.TagName.OBJECT:case goog.dom.TagName.PARAM:case goog.dom.TagName.SCRIPT:case goog.dom.TagName.SOURCE:case goog.dom.TagName.STYLE:case goog.dom.TagName.TRACK:case goog.dom.TagName.WBR:return!1}return!0};
+goog.dom.createDom_=function(a,b){var c=String(b[0]),d=b[1];if(!goog.dom.BrowserFeature.CAN_ADD_NAME_OR_TYPE_ATTRIBUTES&&d&&(d.name||d.type)){c=["<",c];d.name&&c.push(' name="',goog.string.htmlEscape(d.name),'"');if(d.type){c.push(' type="',goog.string.htmlEscape(d.type),'"');var e={};goog.object.extend(e,d);delete e.type;d=e}c.push(">");c=c.join("")}c=a.createElement(c);d&&(goog.isString(d)?c.className=d:goog.isArray(d)?c.className=d.join(" "):goog.dom.setProperties(c,d));2<b.length&&goog.dom.append_(a,
+c,b,2);return c};goog.dom.append_=function(a,b,c,d){function e(c){c&&b.appendChild(goog.isString(c)?a.createTextNode(c):c)}for(;d<c.length;d++){var f=c[d];goog.isArrayLike(f)&&!goog.dom.isNodeLike(f)?goog.array.forEach(goog.dom.isNodeList(f)?goog.array.toArray(f):f,e):e(f)}};goog.dom.$dom=goog.dom.createDom;goog.dom.createElement=function(a){return document.createElement(String(a))};goog.dom.createTextNode=function(a){return document.createTextNode(String(a))};
+goog.dom.createTable=function(a,b,c){return goog.dom.createTable_(document,a,b,!!c)};goog.dom.createTable_=function(a,b,c,d){for(var e=a.createElement("TABLE"),f=e.appendChild(a.createElement("TBODY")),g=0;g<b;g++){for(var h=a.createElement("TR"),k=0;k<c;k++){var m=a.createElement("TD");d&&goog.dom.setTextContent(m,goog.string.Unicode.NBSP);h.appendChild(m)}f.appendChild(h)}return e};
+goog.dom.constHtmlToNode=function(a){var b=goog.array.map(arguments,goog.string.Const.unwrap),b=goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract(goog.string.Const.from("Constant HTML string, that gets turned into a Node later, so it will be automatically balanced."),b.join(""));return goog.dom.safeHtmlToNode(b)};goog.dom.safeHtmlToNode=function(a){return goog.dom.safeHtmlToNode_(document,a)};
+goog.dom.safeHtmlToNode_=function(a,b){var c=a.createElement("DIV");goog.dom.BrowserFeature.INNER_HTML_NEEDS_SCOPED_ELEMENT?(goog.dom.safe.setInnerHtml(c,goog.html.SafeHtml.concat(goog.html.SafeHtml.BR,b)),c.removeChild(c.firstChild)):goog.dom.safe.setInnerHtml(c,b);return goog.dom.childrenToNode_(a,c)};goog.dom.childrenToNode_=function(a,b){if(1==b.childNodes.length)return b.removeChild(b.firstChild);for(var c=a.createDocumentFragment();b.firstChild;)c.appendChild(b.firstChild);return c};
+goog.dom.isCss1CompatMode=function(){return goog.dom.isCss1CompatMode_(document)};goog.dom.isCss1CompatMode_=function(a){return goog.dom.COMPAT_MODE_KNOWN_?goog.dom.ASSUME_STANDARDS_MODE:"CSS1Compat"==a.compatMode};goog.dom.canHaveChildren=function(a){if(a.nodeType!=goog.dom.NodeType.ELEMENT)return!1;switch(a.tagName){case "APPLET":case "AREA":case "BASE":case "BR":case "COL":case "COMMAND":case "EMBED":case "FRAME":case "HR":case "IMG":case "INPUT":case "IFRAME":case "ISINDEX":case "KEYGEN":case "LINK":case "NOFRAMES":case "NOSCRIPT":case "META":case "OBJECT":case "PARAM":case "SCRIPT":case "SOURCE":case "STYLE":case "TRACK":case "WBR":return!1}return!0};
 goog.dom.appendChild=function(a,b){a.appendChild(b)};goog.dom.append=function(a,b){goog.dom.append_(goog.dom.getOwnerDocument(a),a,arguments,1)};goog.dom.removeChildren=function(a){for(var b;b=a.firstChild;)a.removeChild(b)};goog.dom.insertSiblingBefore=function(a,b){b.parentNode&&b.parentNode.insertBefore(a,b)};goog.dom.insertSiblingAfter=function(a,b){b.parentNode&&b.parentNode.insertBefore(a,b.nextSibling)};goog.dom.insertChildAt=function(a,b,c){a.insertBefore(b,a.childNodes[c]||null)};
 goog.dom.removeNode=function(a){return a&&a.parentNode?a.parentNode.removeChild(a):null};goog.dom.replaceNode=function(a,b){var c=b.parentNode;c&&c.replaceChild(a,b)};goog.dom.flattenElement=function(a){var b,c=a.parentNode;if(c&&c.nodeType!=goog.dom.NodeType.DOCUMENT_FRAGMENT){if(a.removeNode)return a.removeNode(!1);for(;b=a.firstChild;)c.insertBefore(b,a);return goog.dom.removeNode(a)}};
 goog.dom.getChildren=function(a){return goog.dom.BrowserFeature.CAN_USE_CHILDREN_ATTRIBUTE&&void 0!=a.children?a.children:goog.array.filter(a.childNodes,function(a){return a.nodeType==goog.dom.NodeType.ELEMENT})};goog.dom.getFirstElementChild=function(a){return goog.isDef(a.firstElementChild)?a.firstElementChild:goog.dom.getNextElementNode_(a.firstChild,!0)};goog.dom.getLastElementChild=function(a){return goog.isDef(a.lastElementChild)?a.lastElementChild:goog.dom.getNextElementNode_(a.lastChild,!1)};
@@ -247,10 +257,10 @@ goog.dom.compareParentsDescendantNodeIe_=function(a,b){var c=a.parentNode;if(c==
 goog.dom.findCommonAncestor=function(a){var b,c=arguments.length;if(!c)return null;if(1==c)return arguments[0];var d=[],e=Infinity;for(b=0;b<c;b++){for(var f=[],g=arguments[b];g;)f.unshift(g),g=g.parentNode;d.push(f);e=Math.min(e,f.length)}f=null;for(b=0;b<e;b++){for(var g=d[0][b],h=1;h<c;h++)if(g!=d[h][b])return f;f=g}return f};goog.dom.getOwnerDocument=function(a){goog.asserts.assert(a,"Node cannot be null or undefined.");return a.nodeType==goog.dom.NodeType.DOCUMENT?a:a.ownerDocument||a.document};
 goog.dom.getFrameContentDocument=function(a){return a.contentDocument||a.contentWindow.document};goog.dom.getFrameContentWindow=function(a){try{return a.contentWindow||(a.contentDocument?goog.dom.getWindow(a.contentDocument):null)}catch(b){}return null};
 goog.dom.setTextContent=function(a,b){goog.asserts.assert(null!=a,"goog.dom.setTextContent expects a non-null value for node");if("textContent"in a)a.textContent=b;else if(a.nodeType==goog.dom.NodeType.TEXT)a.data=b;else if(a.firstChild&&a.firstChild.nodeType==goog.dom.NodeType.TEXT){for(;a.lastChild!=a.firstChild;)a.removeChild(a.lastChild);a.firstChild.data=b}else{goog.dom.removeChildren(a);var c=goog.dom.getOwnerDocument(a);a.appendChild(c.createTextNode(String(b)))}};
-goog.dom.getOuterHtml=function(a){goog.asserts.assert(null!==a,"goog.dom.getOuterHtml expects a non-null value for element");if("outerHTML"in a)return a.outerHTML;var b=goog.dom.getOwnerDocument(a).createElement(goog.dom.TagName.DIV);b.appendChild(a.cloneNode(!0));return b.innerHTML};goog.dom.findNode=function(a,b){var c=[];return goog.dom.findNodes_(a,b,c,!0)?c[0]:void 0};goog.dom.findNodes=function(a,b){var c=[];goog.dom.findNodes_(a,b,c,!1);return c};
+goog.dom.getOuterHtml=function(a){goog.asserts.assert(null!==a,"goog.dom.getOuterHtml expects a non-null value for element");if("outerHTML"in a)return a.outerHTML;var b=goog.dom.getOwnerDocument(a).createElement("DIV");b.appendChild(a.cloneNode(!0));return b.innerHTML};goog.dom.findNode=function(a,b){var c=[];return goog.dom.findNodes_(a,b,c,!0)?c[0]:void 0};goog.dom.findNodes=function(a,b){var c=[];goog.dom.findNodes_(a,b,c,!1);return c};
 goog.dom.findNodes_=function(a,b,c,d){if(null!=a)for(a=a.firstChild;a;){if(b(a)&&(c.push(a),d)||goog.dom.findNodes_(a,b,c,d))return!0;a=a.nextSibling}return!1};goog.dom.TAGS_TO_IGNORE_={SCRIPT:1,STYLE:1,HEAD:1,IFRAME:1,OBJECT:1};goog.dom.PREDEFINED_TAG_VALUES_={IMG:" ",BR:"\n"};goog.dom.isFocusableTabIndex=function(a){return goog.dom.hasSpecifiedTabIndex_(a)&&goog.dom.isTabIndexFocusable_(a)};goog.dom.setFocusableTabIndex=function(a,b){b?a.tabIndex=0:(a.tabIndex=-1,a.removeAttribute("tabIndex"))};
 goog.dom.isFocusable=function(a){var b;return(b=goog.dom.nativelySupportsFocus_(a)?!a.disabled&&(!goog.dom.hasSpecifiedTabIndex_(a)||goog.dom.isTabIndexFocusable_(a)):goog.dom.isFocusableTabIndex(a))&&goog.userAgent.IE?goog.dom.hasNonZeroBoundingRect_(a):b};goog.dom.hasSpecifiedTabIndex_=function(a){a=a.getAttributeNode("tabindex");return goog.isDefAndNotNull(a)&&a.specified};goog.dom.isTabIndexFocusable_=function(a){a=a.tabIndex;return goog.isNumber(a)&&0<=a&&32768>a};
-goog.dom.nativelySupportsFocus_=function(a){return a.tagName==goog.dom.TagName.A||a.tagName==goog.dom.TagName.INPUT||a.tagName==goog.dom.TagName.TEXTAREA||a.tagName==goog.dom.TagName.SELECT||a.tagName==goog.dom.TagName.BUTTON};goog.dom.hasNonZeroBoundingRect_=function(a){a=!goog.isFunction(a.getBoundingClientRect)||goog.userAgent.IE&&null==a.parentElement?{height:a.offsetHeight,width:a.offsetWidth}:a.getBoundingClientRect();return goog.isDefAndNotNull(a)&&0<a.height&&0<a.width};
+goog.dom.nativelySupportsFocus_=function(a){return"A"==a.tagName||"INPUT"==a.tagName||"TEXTAREA"==a.tagName||"SELECT"==a.tagName||"BUTTON"==a.tagName};goog.dom.hasNonZeroBoundingRect_=function(a){a=!goog.isFunction(a.getBoundingClientRect)||goog.userAgent.IE&&null==a.parentElement?{height:a.offsetHeight,width:a.offsetWidth}:a.getBoundingClientRect();return goog.isDefAndNotNull(a)&&0<a.height&&0<a.width};
 goog.dom.getTextContent=function(a){if(goog.dom.BrowserFeature.CAN_USE_INNER_TEXT&&null!==a&&"innerText"in a)a=goog.string.canonicalizeNewlines(a.innerText);else{var b=[];goog.dom.getTextContent_(a,b,!0);a=b.join("")}a=a.replace(/ \xAD /g," ").replace(/\xAD/g,"");a=a.replace(/\u200B/g,"");goog.dom.BrowserFeature.CAN_USE_INNER_TEXT||(a=a.replace(/ +/g," "));" "!=a&&(a=a.replace(/^\s*/,""));return a};goog.dom.getRawTextContent=function(a){var b=[];goog.dom.getTextContent_(a,b,!1);return b.join("")};
 goog.dom.getTextContent_=function(a,b,c){if(!(a.nodeName in goog.dom.TAGS_TO_IGNORE_))if(a.nodeType==goog.dom.NodeType.TEXT)c?b.push(String(a.nodeValue).replace(/(\r\n|\r|\n)/g,"")):b.push(a.nodeValue);else if(a.nodeName in goog.dom.PREDEFINED_TAG_VALUES_)b.push(goog.dom.PREDEFINED_TAG_VALUES_[a.nodeName]);else for(a=a.firstChild;a;)goog.dom.getTextContent_(a,b,c),a=a.nextSibling};goog.dom.getNodeTextLength=function(a){return goog.dom.getTextContent(a).length};
 goog.dom.getNodeTextOffset=function(a,b){for(var c=b||goog.dom.getOwnerDocument(a).body,d=[];a&&a!=c;){for(var e=a;e=e.previousSibling;)d.unshift(goog.dom.getTextContent(e));a=a.parentNode}return goog.string.trimLeft(d.join("")).replace(/ +/g," ").length};
@@ -261,7 +271,7 @@ goog.dom.getPixelRatio=function(){var a=goog.dom.getWindow();return goog.isDef(a
 goog.dom.DomHelper=function(a){this.document_=a||goog.global.document||document};goog.dom.DomHelper.prototype.getDomHelper=goog.dom.getDomHelper;goog.dom.DomHelper.prototype.setDocument=function(a){this.document_=a};goog.dom.DomHelper.prototype.getDocument=function(){return this.document_};goog.dom.DomHelper.prototype.getElement=function(a){return goog.dom.getElementHelper_(this.document_,a)};
 goog.dom.DomHelper.prototype.getRequiredElement=function(a){return goog.dom.getRequiredElementHelper_(this.document_,a)};goog.dom.DomHelper.prototype.$=goog.dom.DomHelper.prototype.getElement;goog.dom.DomHelper.prototype.getElementsByTagNameAndClass=function(a,b,c){return goog.dom.getElementsByTagNameAndClass_(this.document_,a,b,c)};goog.dom.DomHelper.prototype.getElementsByClass=function(a,b){return goog.dom.getElementsByClass(a,b||this.document_)};
 goog.dom.DomHelper.prototype.getElementByClass=function(a,b){return goog.dom.getElementByClass(a,b||this.document_)};goog.dom.DomHelper.prototype.getRequiredElementByClass=function(a,b){return goog.dom.getRequiredElementByClass(a,b||this.document_)};goog.dom.DomHelper.prototype.$$=goog.dom.DomHelper.prototype.getElementsByTagNameAndClass;goog.dom.DomHelper.prototype.setProperties=goog.dom.setProperties;goog.dom.DomHelper.prototype.getViewportSize=function(a){return goog.dom.getViewportSize(a||this.getWindow())};
-goog.dom.DomHelper.prototype.getDocumentHeight=function(){return goog.dom.getDocumentHeight_(this.getWindow())};goog.dom.DomHelper.prototype.createDom=function(a,b,c){return goog.dom.createDom_(this.document_,arguments)};goog.dom.DomHelper.prototype.$dom=goog.dom.DomHelper.prototype.createDom;goog.dom.DomHelper.prototype.createElement=function(a){return this.document_.createElement(a)};goog.dom.DomHelper.prototype.createTextNode=function(a){return this.document_.createTextNode(String(a))};
+goog.dom.DomHelper.prototype.getDocumentHeight=function(){return goog.dom.getDocumentHeight_(this.getWindow())};goog.dom.DomHelper.prototype.createDom=function(a,b,c){return goog.dom.createDom_(this.document_,arguments)};goog.dom.DomHelper.prototype.$dom=goog.dom.DomHelper.prototype.createDom;goog.dom.DomHelper.prototype.createElement=function(a){return this.document_.createElement(String(a))};goog.dom.DomHelper.prototype.createTextNode=function(a){return this.document_.createTextNode(String(a))};
 goog.dom.DomHelper.prototype.createTable=function(a,b,c){return goog.dom.createTable_(this.document_,a,b,!!c)};goog.dom.DomHelper.prototype.safeHtmlToNode=function(a){return goog.dom.safeHtmlToNode_(this.document_,a)};goog.dom.DomHelper.prototype.isCss1CompatMode=function(){return goog.dom.isCss1CompatMode_(this.document_)};goog.dom.DomHelper.prototype.getWindow=function(){return goog.dom.getWindow_(this.document_)};goog.dom.DomHelper.prototype.getDocumentScrollElement=function(){return goog.dom.getDocumentScrollElement_(this.document_)};
 goog.dom.DomHelper.prototype.getDocumentScroll=function(){return goog.dom.getDocumentScroll_(this.document_)};goog.dom.DomHelper.prototype.getActiveElement=function(a){return goog.dom.getActiveElement(a||this.document_)};goog.dom.DomHelper.prototype.appendChild=goog.dom.appendChild;goog.dom.DomHelper.prototype.append=goog.dom.append;goog.dom.DomHelper.prototype.canHaveChildren=goog.dom.canHaveChildren;goog.dom.DomHelper.prototype.removeChildren=goog.dom.removeChildren;
 goog.dom.DomHelper.prototype.insertSiblingBefore=goog.dom.insertSiblingBefore;goog.dom.DomHelper.prototype.insertSiblingAfter=goog.dom.insertSiblingAfter;goog.dom.DomHelper.prototype.insertChildAt=goog.dom.insertChildAt;goog.dom.DomHelper.prototype.removeNode=goog.dom.removeNode;goog.dom.DomHelper.prototype.replaceNode=goog.dom.replaceNode;goog.dom.DomHelper.prototype.flattenElement=goog.dom.flattenElement;goog.dom.DomHelper.prototype.getChildren=goog.dom.getChildren;
@@ -280,17 +290,17 @@ goog.math.Box.contains=function(a,b){return a&&b?b instanceof goog.math.Box?b.le
 goog.math.Box.distance=function(a,b){var c=goog.math.Box.relativePositionX(a,b),d=goog.math.Box.relativePositionY(a,b);return Math.sqrt(c*c+d*d)};goog.math.Box.intersects=function(a,b){return a.left<=b.right&&b.left<=a.right&&a.top<=b.bottom&&b.top<=a.bottom};goog.math.Box.intersectsWithPadding=function(a,b,c){return a.left<=b.right+c&&b.left<=a.right+c&&a.top<=b.bottom+c&&b.top<=a.bottom+c};
 goog.math.Box.prototype.ceil=function(){this.top=Math.ceil(this.top);this.right=Math.ceil(this.right);this.bottom=Math.ceil(this.bottom);this.left=Math.ceil(this.left);return this};goog.math.Box.prototype.floor=function(){this.top=Math.floor(this.top);this.right=Math.floor(this.right);this.bottom=Math.floor(this.bottom);this.left=Math.floor(this.left);return this};
 goog.math.Box.prototype.round=function(){this.top=Math.round(this.top);this.right=Math.round(this.right);this.bottom=Math.round(this.bottom);this.left=Math.round(this.left);return this};goog.math.Box.prototype.translate=function(a,b){a instanceof goog.math.Coordinate?(this.left+=a.x,this.right+=a.x,this.top+=a.y,this.bottom+=a.y):(goog.asserts.assertNumber(a),this.left+=a,this.right+=a,goog.isNumber(b)&&(this.top+=b,this.bottom+=b));return this};
-goog.math.Box.prototype.scale=function(a,b){var c=goog.isNumber(b)?b:a;this.left*=a;this.right*=a;this.top*=c;this.bottom*=c;return this};goog.math.Rect=function(a,b,c,d){this.left=a;this.top=b;this.width=c;this.height=d};goog.math.Rect.prototype.clone=function(){return new goog.math.Rect(this.left,this.top,this.width,this.height)};goog.math.Rect.prototype.toBox=function(){return new goog.math.Box(this.top,this.left+this.width,this.top+this.height,this.left)};goog.math.Rect.createFromPositionAndSize=function(a,b){return new goog.math.Rect(a.x,a.y,b.width,b.height)};
+goog.math.Box.prototype.scale=function(a,b){var c=goog.isNumber(b)?b:a;this.left*=a;this.right*=a;this.top*=c;this.bottom*=c;return this};goog.math.IRect=function(){};goog.math.Rect=function(a,b,c,d){this.left=a;this.top=b;this.width=c;this.height=d};goog.math.Rect.prototype.clone=function(){return new goog.math.Rect(this.left,this.top,this.width,this.height)};goog.math.Rect.prototype.toBox=function(){return new goog.math.Box(this.top,this.left+this.width,this.top+this.height,this.left)};goog.math.Rect.createFromPositionAndSize=function(a,b){return new goog.math.Rect(a.x,a.y,b.width,b.height)};
 goog.math.Rect.createFromBox=function(a){return new goog.math.Rect(a.left,a.top,a.right-a.left,a.bottom-a.top)};goog.DEBUG&&(goog.math.Rect.prototype.toString=function(){return"("+this.left+", "+this.top+" - "+this.width+"w x "+this.height+"h)"});goog.math.Rect.equals=function(a,b){return a==b?!0:a&&b?a.left==b.left&&a.width==b.width&&a.top==b.top&&a.height==b.height:!1};
 goog.math.Rect.prototype.intersection=function(a){var b=Math.max(this.left,a.left),c=Math.min(this.left+this.width,a.left+a.width);if(b<=c){var d=Math.max(this.top,a.top);a=Math.min(this.top+this.height,a.top+a.height);if(d<=a)return this.left=b,this.top=d,this.width=c-b,this.height=a-d,!0}return!1};
 goog.math.Rect.intersection=function(a,b){var c=Math.max(a.left,b.left),d=Math.min(a.left+a.width,b.left+b.width);if(c<=d){var e=Math.max(a.top,b.top),f=Math.min(a.top+a.height,b.top+b.height);if(e<=f)return new goog.math.Rect(c,e,d-c,f-e)}return null};goog.math.Rect.intersects=function(a,b){return a.left<=b.left+b.width&&b.left<=a.left+a.width&&a.top<=b.top+b.height&&b.top<=a.top+a.height};goog.math.Rect.prototype.intersects=function(a){return goog.math.Rect.intersects(this,a)};
 goog.math.Rect.difference=function(a,b){var c=goog.math.Rect.intersection(a,b);if(!c||!c.height||!c.width)return[a.clone()];var c=[],d=a.top,e=a.height,f=a.left+a.width,g=a.top+a.height,h=b.left+b.width,k=b.top+b.height;b.top>a.top&&(c.push(new goog.math.Rect(a.left,a.top,a.width,b.top-a.top)),d=b.top,e-=b.top-a.top);k<g&&(c.push(new goog.math.Rect(a.left,k,a.width,g-k)),e=k-d);b.left>a.left&&c.push(new goog.math.Rect(a.left,d,b.left-a.left,e));h<f&&c.push(new goog.math.Rect(h,d,f-h,e));return c};
-goog.math.Rect.prototype.difference=function(a){return goog.math.Rect.difference(this,a)};goog.math.Rect.prototype.boundingRect=function(a){var b=Math.max(this.left+this.width,a.left+a.width),c=Math.max(this.top+this.height,a.top+a.height);this.left=Math.min(this.left,a.left);this.top=Math.min(this.top,a.top);this.width=b-this.left;this.height=c-this.top};goog.math.Rect.boundingRect=function(a,b){if(!a||!b)return null;var c=a.clone();c.boundingRect(b);return c};
-goog.math.Rect.prototype.contains=function(a){return a instanceof goog.math.Rect?this.left<=a.left&&this.left+this.width>=a.left+a.width&&this.top<=a.top&&this.top+this.height>=a.top+a.height:a.x>=this.left&&a.x<=this.left+this.width&&a.y>=this.top&&a.y<=this.top+this.height};goog.math.Rect.prototype.squaredDistance=function(a){var b=a.x<this.left?this.left-a.x:Math.max(a.x-(this.left+this.width),0);a=a.y<this.top?this.top-a.y:Math.max(a.y-(this.top+this.height),0);return b*b+a*a};
+goog.math.Rect.prototype.difference=function(a){return goog.math.Rect.difference(this,a)};goog.math.Rect.prototype.boundingRect=function(a){var b=Math.max(this.left+this.width,a.left+a.width),c=Math.max(this.top+this.height,a.top+a.height);this.left=Math.min(this.left,a.left);this.top=Math.min(this.top,a.top);this.width=b-this.left;this.height=c-this.top};goog.math.Rect.boundingRect=function(a,b){if(!a||!b)return null;var c=new goog.math.Rect(a.left,a.top,a.width,a.height);c.boundingRect(b);return c};
+goog.math.Rect.prototype.contains=function(a){return a instanceof goog.math.Coordinate?a.x>=this.left&&a.x<=this.left+this.width&&a.y>=this.top&&a.y<=this.top+this.height:this.left<=a.left&&this.left+this.width>=a.left+a.width&&this.top<=a.top&&this.top+this.height>=a.top+a.height};goog.math.Rect.prototype.squaredDistance=function(a){var b=a.x<this.left?this.left-a.x:Math.max(a.x-(this.left+this.width),0);a=a.y<this.top?this.top-a.y:Math.max(a.y-(this.top+this.height),0);return b*b+a*a};
 goog.math.Rect.prototype.distance=function(a){return Math.sqrt(this.squaredDistance(a))};goog.math.Rect.prototype.getSize=function(){return new goog.math.Size(this.width,this.height)};goog.math.Rect.prototype.getTopLeft=function(){return new goog.math.Coordinate(this.left,this.top)};goog.math.Rect.prototype.getCenter=function(){return new goog.math.Coordinate(this.left+this.width/2,this.top+this.height/2)};
 goog.math.Rect.prototype.getBottomRight=function(){return new goog.math.Coordinate(this.left+this.width,this.top+this.height)};goog.math.Rect.prototype.ceil=function(){this.left=Math.ceil(this.left);this.top=Math.ceil(this.top);this.width=Math.ceil(this.width);this.height=Math.ceil(this.height);return this};goog.math.Rect.prototype.floor=function(){this.left=Math.floor(this.left);this.top=Math.floor(this.top);this.width=Math.floor(this.width);this.height=Math.floor(this.height);return this};
 goog.math.Rect.prototype.round=function(){this.left=Math.round(this.left);this.top=Math.round(this.top);this.width=Math.round(this.width);this.height=Math.round(this.height);return this};goog.math.Rect.prototype.translate=function(a,b){a instanceof goog.math.Coordinate?(this.left+=a.x,this.top+=a.y):(this.left+=goog.asserts.assertNumber(a),goog.isNumber(b)&&(this.top+=b));return this};
-goog.math.Rect.prototype.scale=function(a,b){var c=goog.isNumber(b)?b:a;this.left*=a;this.width*=a;this.top*=c;this.height*=c;return this};goog.reflect={};goog.reflect.object=function(a,b){return b};goog.reflect.sinkValue=function(a){goog.reflect.sinkValue[" "](a);return a};goog.reflect.sinkValue[" "]=goog.nullFunction;goog.reflect.canAccessProperty=function(a,b){try{return goog.reflect.sinkValue(a[b]),!0}catch(c){}return!1};goog.reflect.cache=function(a,b,c,d){d=d?d(b):b;return Object.prototype.hasOwnProperty.call(a,d)?a[d]:a[d]=c(b)};goog.style={};goog.style.setStyle=function(a,b,c){if(goog.isString(b))goog.style.setStyle_(a,c,b);else for(var d in b)goog.style.setStyle_(a,b[d],d)};goog.style.setStyle_=function(a,b,c){(c=goog.style.getVendorJsStyleName_(a,c))&&(a.style[c]=b)};goog.style.styleNameCache_={};
+goog.math.Rect.prototype.scale=function(a,b){var c=goog.isNumber(b)?b:a;this.left*=a;this.width*=a;this.top*=c;this.height*=c;return this};goog.reflect={};goog.reflect.object=function(a,b){return b};goog.reflect.objectProperty=function(a,b){return a};goog.reflect.sinkValue=function(a){goog.reflect.sinkValue[" "](a);return a};goog.reflect.sinkValue[" "]=goog.nullFunction;goog.reflect.canAccessProperty=function(a,b){try{return goog.reflect.sinkValue(a[b]),!0}catch(c){}return!1};goog.reflect.cache=function(a,b,c,d){d=d?d(b):b;return Object.prototype.hasOwnProperty.call(a,d)?a[d]:a[d]=c(b)};goog.style={};goog.style.setStyle=function(a,b,c){if(goog.isString(b))goog.style.setStyle_(a,c,b);else for(var d in b)goog.style.setStyle_(a,b[d],d)};goog.style.setStyle_=function(a,b,c){(c=goog.style.getVendorJsStyleName_(a,c))&&(a.style[c]=b)};goog.style.styleNameCache_={};
 goog.style.getVendorJsStyleName_=function(a,b){var c=goog.style.styleNameCache_[b];if(!c){var d=goog.string.toCamelCase(b),c=d;void 0===a.style[d]&&(d=goog.dom.vendor.getVendorJsPrefix()+goog.string.toTitleCase(d),void 0!==a.style[d]&&(c=d));goog.style.styleNameCache_[b]=c}return c};
 goog.style.getVendorStyleName_=function(a,b){var c=goog.string.toCamelCase(b);return void 0===a.style[c]&&(c=goog.dom.vendor.getVendorJsPrefix()+goog.string.toTitleCase(c),void 0!==a.style[c])?goog.dom.vendor.getVendorPrefix()+"-"+b:b};goog.style.getStyle=function(a,b){var c=a.style[goog.string.toCamelCase(b)];return"undefined"!==typeof c?c:a.style[goog.style.getVendorJsStyleName_(a,b)]||""};
 goog.style.getComputedStyle=function(a,b){var c=goog.dom.getOwnerDocument(a);return c.defaultView&&c.defaultView.getComputedStyle&&(c=c.defaultView.getComputedStyle(a,null))?c[b]||c.getPropertyValue(b)||"":""};goog.style.getCascadedStyle=function(a,b){return a.currentStyle?a.currentStyle[b]:null};goog.style.getStyle_=function(a,b){return goog.style.getComputedStyle(a,b)||goog.style.getCascadedStyle(a,b)||a.style&&a.style[b]};
@@ -317,8 +327,8 @@ goog.style.getBounds=function(a){var b=goog.style.getPageOffset(a);a=goog.style.
 goog.style.getOpacity=function(a){goog.asserts.assert(a);var b=a.style;a="";"opacity"in b?a=b.opacity:"MozOpacity"in b?a=b.MozOpacity:"filter"in b&&(b=b.filter.match(/alpha\(opacity=([\d.]+)\)/))&&(a=String(b[1]/100));return""==a?a:Number(a)};goog.style.setOpacity=function(a,b){goog.asserts.assert(a);var c=a.style;"opacity"in c?c.opacity=b:"MozOpacity"in c?c.MozOpacity=b:"filter"in c&&(c.filter=""===b?"":"alpha(opacity="+100*Number(b)+")")};
 goog.style.setTransparentBackgroundImage=function(a,b){var c=a.style;goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?c.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+b+'", sizingMethod="crop")':(c.backgroundImage="url("+b+")",c.backgroundPosition="top left",c.backgroundRepeat="no-repeat")};goog.style.clearTransparentBackgroundImage=function(a){a=a.style;"filter"in a?a.filter="":a.backgroundImage="none"};
 goog.style.showElement=function(a,b){goog.style.setElementShown(a,b)};goog.style.setElementShown=function(a,b){a.style.display=b?"":"none"};goog.style.isElementShown=function(a){return"none"!=a.style.display};goog.style.installStyles=function(a,b){return goog.style.installSafeStyleSheet(goog.html.legacyconversions.safeStyleSheetFromString(a),b)};
-goog.style.installSafeStyleSheet=function(a,b){var c=goog.dom.getDomHelper(b),d,e=c.getDocument();goog.userAgent.IE&&e.createStyleSheet?(d=e.createStyleSheet(),goog.style.setSafeStyleSheet(d,a)):(e=c.getElementsByTagNameAndClass(goog.dom.TagName.HEAD)[0],e||(d=c.getElementsByTagNameAndClass(goog.dom.TagName.BODY)[0],e=c.createDom(goog.dom.TagName.HEAD),d.parentNode.insertBefore(e,d)),d=c.createDom(goog.dom.TagName.STYLE),goog.style.setSafeStyleSheet(d,a),c.appendChild(e,d));return d};
-goog.style.uninstallStyles=function(a){goog.dom.removeNode(a.ownerNode||a.owningElement||a)};goog.style.setStyles=function(a,b){goog.style.setSafeStyleSheet(a,goog.html.legacyconversions.safeStyleSheetFromString(b))};goog.style.setSafeStyleSheet=function(a,b){var c=goog.html.SafeStyleSheet.unwrap(b);goog.userAgent.IE&&goog.isDef(a.cssText)?a.cssText=c:goog.dom.setTextContent(a,c)};
+goog.style.installSafeStyleSheet=function(a,b){var c=goog.dom.getDomHelper(b),d,e=c.getDocument();goog.userAgent.IE&&e.createStyleSheet?(d=e.createStyleSheet(),goog.style.setSafeStyleSheet(d,a)):(e=c.getElementsByTagNameAndClass("HEAD")[0],e||(d=c.getElementsByTagNameAndClass("BODY")[0],e=c.createDom("HEAD"),d.parentNode.insertBefore(e,d)),d=c.createDom("STYLE"),goog.style.setSafeStyleSheet(d,a),c.appendChild(e,d));return d};
+goog.style.uninstallStyles=function(a){goog.dom.removeNode(a.ownerNode||a.owningElement||a)};goog.style.setStyles=function(a,b){goog.style.setSafeStyleSheet(a,goog.html.legacyconversions.safeStyleSheetFromString(b))};goog.style.setSafeStyleSheet=function(a,b){var c=goog.html.SafeStyleSheet.unwrap(b);goog.userAgent.IE&&goog.isDef(a.cssText)?a.cssText=c:a.innerHTML=c};
 goog.style.setPreWrap=function(a){a=a.style;goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?(a.whiteSpace="pre",a.wordWrap="break-word"):a.whiteSpace=goog.userAgent.GECKO?"-moz-pre-wrap":"pre-wrap"};goog.style.setInlineBlock=function(a){a=a.style;a.position="relative";goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("8")?(a.zoom="1",a.display="inline"):a.display="inline-block"};goog.style.isRightToLeft=function(a){return"rtl"==goog.style.getStyle_(a,"direction")};
 goog.style.unselectableStyle_=goog.userAgent.GECKO?"MozUserSelect":goog.userAgent.WEBKIT||goog.userAgent.EDGE?"WebkitUserSelect":null;goog.style.isUnselectable=function(a){return goog.style.unselectableStyle_?"none"==a.style[goog.style.unselectableStyle_].toLowerCase():goog.userAgent.IE||goog.userAgent.OPERA?"on"==a.getAttribute("unselectable"):!1};
 goog.style.setUnselectable=function(a,b,c){c=c?null:a.getElementsByTagName("*");var d=goog.style.unselectableStyle_;if(d){if(b=b?"none":"",a.style&&(a.style[d]=b),c){a=0;for(var e;e=c[a];a++)e.style&&(e.style[d]=b)}}else if(goog.userAgent.IE||goog.userAgent.OPERA)if(b=b?"on":"",a.setAttribute("unselectable",b),c)for(a=0;e=c[a];a++)e.setAttribute("unselectable",b)};goog.style.getBorderBoxSize=function(a){return new goog.math.Size(a.offsetWidth,a.offsetHeight)};
@@ -336,9 +346,9 @@ goog.style.getBorderBox=function(a){if(goog.userAgent.IE&&!goog.userAgent.isDocu
 "borderBottomWidth");return new goog.math.Box(parseFloat(d),parseFloat(c),parseFloat(a),parseFloat(b))};goog.style.getFontFamily=function(a){var b=goog.dom.getOwnerDocument(a),c="";if(b.body.createTextRange&&goog.dom.contains(b,a)){b=b.body.createTextRange();b.moveToElementText(a);try{c=b.queryCommandValue("FontName")}catch(d){c=""}}c||(c=goog.style.getStyle_(a,"fontFamily"));a=c.split(",");1<a.length&&(c=a[0]);return goog.string.stripQuotes(c,"\"'")};goog.style.lengthUnitRegex_=/[^\d]+$/;
 goog.style.getLengthUnits=function(a){return(a=a.match(goog.style.lengthUnitRegex_))&&a[0]||null};goog.style.ABSOLUTE_CSS_LENGTH_UNITS_={cm:1,"in":1,mm:1,pc:1,pt:1};goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_={em:1,ex:1};
 goog.style.getFontSize=function(a){var b=goog.style.getStyle_(a,"fontSize"),c=goog.style.getLengthUnits(b);if(b&&"px"==c)return parseInt(b,10);if(goog.userAgent.IE){if(String(c)in goog.style.ABSOLUTE_CSS_LENGTH_UNITS_)return goog.style.getIePixelValue_(a,b,"left","pixelLeft");if(a.parentNode&&a.parentNode.nodeType==goog.dom.NodeType.ELEMENT&&String(c)in goog.style.CONVERTIBLE_RELATIVE_CSS_UNITS_)return a=a.parentNode,c=goog.style.getStyle_(a,"fontSize"),goog.style.getIePixelValue_(a,b==c?"1em":b,
-"left","pixelLeft")}c=goog.dom.createDom(goog.dom.TagName.SPAN,{style:"visibility:hidden;position:absolute;line-height:0;padding:0;margin:0;border:0;height:1em;"});goog.dom.appendChild(a,c);b=c.offsetHeight;goog.dom.removeNode(c);return b};goog.style.parseStyleAttribute=function(a){var b={};goog.array.forEach(a.split(/\s*;\s*/),function(a){var d=a.match(/\s*([\w-]+)\s*\:(.+)/);d&&(a=d[1],d=goog.string.trim(d[2]),b[goog.string.toCamelCase(a.toLowerCase())]=d)});return b};
+"left","pixelLeft")}c=goog.dom.createDom("SPAN",{style:"visibility:hidden;position:absolute;line-height:0;padding:0;margin:0;border:0;height:1em;"});goog.dom.appendChild(a,c);b=c.offsetHeight;goog.dom.removeNode(c);return b};goog.style.parseStyleAttribute=function(a){var b={};goog.array.forEach(a.split(/\s*;\s*/),function(a){var d=a.match(/\s*([\w-]+)\s*\:(.+)/);d&&(a=d[1],d=goog.string.trim(d[2]),b[goog.string.toCamelCase(a.toLowerCase())]=d)});return b};
 goog.style.toStyleAttribute=function(a){var b=[];goog.object.forEach(a,function(a,d){b.push(goog.string.toSelectorCase(d),":",a,";")});return b.join("")};goog.style.setFloat=function(a,b){a.style[goog.userAgent.IE?"styleFloat":"cssFloat"]=b};goog.style.getFloat=function(a){return a.style[goog.userAgent.IE?"styleFloat":"cssFloat"]||""};
-goog.style.getScrollbarWidth=function(a){var b=goog.dom.createElement(goog.dom.TagName.DIV);a&&(b.className=a);b.style.cssText="overflow:auto;position:absolute;top:0;width:100px;height:100px";a=goog.dom.createElement(goog.dom.TagName.DIV);goog.style.setSize(a,"200px","200px");b.appendChild(a);goog.dom.appendChild(goog.dom.getDocument().body,b);a=b.offsetWidth-b.clientWidth;goog.dom.removeNode(b);return a};goog.style.MATRIX_TRANSLATION_REGEX_=/matrix\([0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, ([0-9\.\-]+)p?x?, ([0-9\.\-]+)p?x?\)/;
+goog.style.getScrollbarWidth=function(a){var b=goog.dom.createElement("DIV");a&&(b.className=a);b.style.cssText="overflow:auto;position:absolute;top:0;width:100px;height:100px";a=goog.dom.createElement("DIV");goog.style.setSize(a,"200px","200px");b.appendChild(a);goog.dom.appendChild(goog.dom.getDocument().body,b);a=b.offsetWidth-b.clientWidth;goog.dom.removeNode(b);return a};goog.style.MATRIX_TRANSLATION_REGEX_=/matrix\([0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, [0-9\.\-]+, ([0-9\.\-]+)p?x?, ([0-9\.\-]+)p?x?\)/;
 goog.style.getCssTranslation=function(a){a=goog.style.getComputedTransform(a);return a?(a=a.match(goog.style.MATRIX_TRANSLATION_REGEX_))?new goog.math.Coordinate(parseFloat(a[1]),parseFloat(a[2])):new goog.math.Coordinate(0,0):new goog.math.Coordinate(0,0)};goog.debug.entryPointRegistry={};goog.debug.EntryPointMonitor=function(){};goog.debug.entryPointRegistry.refList_=[];goog.debug.entryPointRegistry.monitors_=[];goog.debug.entryPointRegistry.monitorsMayExist_=!1;goog.debug.entryPointRegistry.register=function(a){goog.debug.entryPointRegistry.refList_[goog.debug.entryPointRegistry.refList_.length]=a;if(goog.debug.entryPointRegistry.monitorsMayExist_)for(var b=goog.debug.entryPointRegistry.monitors_,c=0;c<b.length;c++)a(goog.bind(b[c].wrap,b[c]))};
 goog.debug.entryPointRegistry.monitorAll=function(a){goog.debug.entryPointRegistry.monitorsMayExist_=!0;for(var b=goog.bind(a.wrap,a),c=0;c<goog.debug.entryPointRegistry.refList_.length;c++)goog.debug.entryPointRegistry.refList_[c](b);goog.debug.entryPointRegistry.monitors_.push(a)};
 goog.debug.entryPointRegistry.unmonitorAllIfPossible=function(a){var b=goog.debug.entryPointRegistry.monitors_;goog.asserts.assert(a==b[b.length-1],"Only the most recent monitor can be unwrapped.");a=goog.bind(a.unwrap,a);for(var c=0;c<goog.debug.entryPointRegistry.refList_.length;c++)goog.debug.entryPointRegistry.refList_[c](a);b.length--};goog.events={};
@@ -350,11 +360,11 @@ goog.Disposable.prototype.registerDisposable=function(a){this.addOnDisposeCallba
 goog.Disposable.isDisposed=function(a){return a&&"function"==typeof a.isDisposed?a.isDisposed():!1};goog.dispose=function(a){a&&"function"==typeof a.dispose&&a.dispose()};goog.disposeAll=function(a){for(var b=0,c=arguments.length;b<c;++b){var d=arguments[b];goog.isArrayLike(d)?goog.disposeAll.apply(null,d):goog.dispose(d)}};goog.events.EventId=function(a){this.id=a};goog.events.EventId.prototype.toString=function(){return this.id};goog.events.Event=function(a,b){this.type=a instanceof goog.events.EventId?String(a):a;this.currentTarget=this.target=b;this.defaultPrevented=this.propagationStopped_=!1;this.returnValue_=!0};goog.events.Event.prototype.stopPropagation=function(){this.propagationStopped_=!0};goog.events.Event.prototype.preventDefault=function(){this.defaultPrevented=!0;this.returnValue_=!1};goog.events.Event.stopPropagation=function(a){a.stopPropagation()};goog.events.Event.preventDefault=function(a){a.preventDefault()};goog.events.getVendorPrefixedName_=function(a){return goog.userAgent.WEBKIT?"webkit"+a:goog.userAgent.OPERA?"o"+a.toLowerCase():a.toLowerCase()};
 goog.events.EventType={CLICK:"click",RIGHTCLICK:"rightclick",DBLCLICK:"dblclick",MOUSEDOWN:"mousedown",MOUSEUP:"mouseup",MOUSEOVER:"mouseover",MOUSEOUT:"mouseout",MOUSEMOVE:"mousemove",MOUSEENTER:"mouseenter",MOUSELEAVE:"mouseleave",SELECTSTART:"selectstart",WHEEL:"wheel",KEYPRESS:"keypress",KEYDOWN:"keydown",KEYUP:"keyup",BLUR:"blur",FOCUS:"focus",DEACTIVATE:"deactivate",FOCUSIN:goog.userAgent.IE?"focusin":"DOMFocusIn",FOCUSOUT:goog.userAgent.IE?"focusout":"DOMFocusOut",CHANGE:"change",RESET:"reset",
 SELECT:"select",SUBMIT:"submit",INPUT:"input",PROPERTYCHANGE:"propertychange",DRAGSTART:"dragstart",DRAG:"drag",DRAGENTER:"dragenter",DRAGOVER:"dragover",DRAGLEAVE:"dragleave",DROP:"drop",DRAGEND:"dragend",TOUCHSTART:"touchstart",TOUCHMOVE:"touchmove",TOUCHEND:"touchend",TOUCHCANCEL:"touchcancel",BEFOREUNLOAD:"beforeunload",CONSOLEMESSAGE:"consolemessage",CONTEXTMENU:"contextmenu",DOMCONTENTLOADED:"DOMContentLoaded",ERROR:"error",HELP:"help",LOAD:"load",LOSECAPTURE:"losecapture",ORIENTATIONCHANGE:"orientationchange",
-READYSTATECHANGE:"readystatechange",RESIZE:"resize",SCROLL:"scroll",TIMEUPDATE:"timeupdate",UNLOAD:"unload",HASHCHANGE:"hashchange",PAGEHIDE:"pagehide",PAGESHOW:"pageshow",POPSTATE:"popstate",COPY:"copy",PASTE:"paste",CUT:"cut",BEFORECOPY:"beforecopy",BEFORECUT:"beforecut",BEFOREPASTE:"beforepaste",ONLINE:"online",OFFLINE:"offline",MESSAGE:"message",CONNECT:"connect",ANIMATIONSTART:goog.events.getVendorPrefixedName_("AnimationStart"),ANIMATIONEND:goog.events.getVendorPrefixedName_("AnimationEnd"),
-ANIMATIONITERATION:goog.events.getVendorPrefixedName_("AnimationIteration"),TRANSITIONEND:goog.events.getVendorPrefixedName_("TransitionEnd"),POINTERDOWN:"pointerdown",POINTERUP:"pointerup",POINTERCANCEL:"pointercancel",POINTERMOVE:"pointermove",POINTEROVER:"pointerover",POINTEROUT:"pointerout",POINTERENTER:"pointerenter",POINTERLEAVE:"pointerleave",GOTPOINTERCAPTURE:"gotpointercapture",LOSTPOINTERCAPTURE:"lostpointercapture",MSGESTURECHANGE:"MSGestureChange",MSGESTUREEND:"MSGestureEnd",MSGESTUREHOLD:"MSGestureHold",
-MSGESTURESTART:"MSGestureStart",MSGESTURETAP:"MSGestureTap",MSGOTPOINTERCAPTURE:"MSGotPointerCapture",MSINERTIASTART:"MSInertiaStart",MSLOSTPOINTERCAPTURE:"MSLostPointerCapture",MSPOINTERCANCEL:"MSPointerCancel",MSPOINTERDOWN:"MSPointerDown",MSPOINTERENTER:"MSPointerEnter",MSPOINTERHOVER:"MSPointerHover",MSPOINTERLEAVE:"MSPointerLeave",MSPOINTERMOVE:"MSPointerMove",MSPOINTEROUT:"MSPointerOut",MSPOINTEROVER:"MSPointerOver",MSPOINTERUP:"MSPointerUp",TEXT:"text",TEXTINPUT:"textInput",COMPOSITIONSTART:"compositionstart",
-COMPOSITIONUPDATE:"compositionupdate",COMPOSITIONEND:"compositionend",EXIT:"exit",LOADABORT:"loadabort",LOADCOMMIT:"loadcommit",LOADREDIRECT:"loadredirect",LOADSTART:"loadstart",LOADSTOP:"loadstop",RESPONSIVE:"responsive",SIZECHANGED:"sizechanged",UNRESPONSIVE:"unresponsive",VISIBILITYCHANGE:"visibilitychange",STORAGE:"storage",DOMSUBTREEMODIFIED:"DOMSubtreeModified",DOMNODEINSERTED:"DOMNodeInserted",DOMNODEREMOVED:"DOMNodeRemoved",DOMNODEREMOVEDFROMDOCUMENT:"DOMNodeRemovedFromDocument",DOMNODEINSERTEDINTODOCUMENT:"DOMNodeInsertedIntoDocument",
-DOMATTRMODIFIED:"DOMAttrModified",DOMCHARACTERDATAMODIFIED:"DOMCharacterDataModified",BEFOREPRINT:"beforeprint",AFTERPRINT:"afterprint"};goog.events.BrowserEvent=function(a,b){goog.events.Event.call(this,a?a.type:"");this.relatedTarget=this.currentTarget=this.target=null;this.charCode=this.keyCode=this.button=this.screenY=this.screenX=this.clientY=this.clientX=this.offsetY=this.offsetX=0;this.metaKey=this.shiftKey=this.altKey=this.ctrlKey=!1;this.state=null;this.platformModifierKey=!1;this.event_=null;a&&this.init(a,b)};goog.inherits(goog.events.BrowserEvent,goog.events.Event);
+READYSTATECHANGE:"readystatechange",RESIZE:"resize",SCROLL:"scroll",UNLOAD:"unload",CANPLAY:"canplay",CANPLAYTHROUGH:"canplaythrough",DURATIONCHANGE:"durationchange",EMPTIED:"emptied",ENDED:"ended",LOADEDDATA:"loadeddata",LOADEDMETADATA:"loadedmetadata",PAUSE:"pause",PLAY:"play",PLAYING:"playing",RATECHANGE:"ratechange",SEEKED:"seeked",SEEKING:"seeking",STALLED:"stalled",SUSPEND:"suspend",TIMEUPDATE:"timeupdate",VOLUMECHANGE:"volumechange",WAITING:"waiting",HASHCHANGE:"hashchange",PAGEHIDE:"pagehide",
+PAGESHOW:"pageshow",POPSTATE:"popstate",COPY:"copy",PASTE:"paste",CUT:"cut",BEFORECOPY:"beforecopy",BEFORECUT:"beforecut",BEFOREPASTE:"beforepaste",ONLINE:"online",OFFLINE:"offline",MESSAGE:"message",CONNECT:"connect",ANIMATIONSTART:goog.events.getVendorPrefixedName_("AnimationStart"),ANIMATIONEND:goog.events.getVendorPrefixedName_("AnimationEnd"),ANIMATIONITERATION:goog.events.getVendorPrefixedName_("AnimationIteration"),TRANSITIONEND:goog.events.getVendorPrefixedName_("TransitionEnd"),POINTERDOWN:"pointerdown",
+POINTERUP:"pointerup",POINTERCANCEL:"pointercancel",POINTERMOVE:"pointermove",POINTEROVER:"pointerover",POINTEROUT:"pointerout",POINTERENTER:"pointerenter",POINTERLEAVE:"pointerleave",GOTPOINTERCAPTURE:"gotpointercapture",LOSTPOINTERCAPTURE:"lostpointercapture",MSGESTURECHANGE:"MSGestureChange",MSGESTUREEND:"MSGestureEnd",MSGESTUREHOLD:"MSGestureHold",MSGESTURESTART:"MSGestureStart",MSGESTURETAP:"MSGestureTap",MSGOTPOINTERCAPTURE:"MSGotPointerCapture",MSINERTIASTART:"MSInertiaStart",MSLOSTPOINTERCAPTURE:"MSLostPointerCapture",
+MSPOINTERCANCEL:"MSPointerCancel",MSPOINTERDOWN:"MSPointerDown",MSPOINTERENTER:"MSPointerEnter",MSPOINTERHOVER:"MSPointerHover",MSPOINTERLEAVE:"MSPointerLeave",MSPOINTERMOVE:"MSPointerMove",MSPOINTEROUT:"MSPointerOut",MSPOINTEROVER:"MSPointerOver",MSPOINTERUP:"MSPointerUp",TEXT:"text",TEXTINPUT:"textInput",COMPOSITIONSTART:"compositionstart",COMPOSITIONUPDATE:"compositionupdate",COMPOSITIONEND:"compositionend",EXIT:"exit",LOADABORT:"loadabort",LOADCOMMIT:"loadcommit",LOADREDIRECT:"loadredirect",LOADSTART:"loadstart",
+LOADSTOP:"loadstop",RESPONSIVE:"responsive",SIZECHANGED:"sizechanged",UNRESPONSIVE:"unresponsive",VISIBILITYCHANGE:"visibilitychange",STORAGE:"storage",DOMSUBTREEMODIFIED:"DOMSubtreeModified",DOMNODEINSERTED:"DOMNodeInserted",DOMNODEREMOVED:"DOMNodeRemoved",DOMNODEREMOVEDFROMDOCUMENT:"DOMNodeRemovedFromDocument",DOMNODEINSERTEDINTODOCUMENT:"DOMNodeInsertedIntoDocument",DOMATTRMODIFIED:"DOMAttrModified",DOMCHARACTERDATAMODIFIED:"DOMCharacterDataModified",BEFOREPRINT:"beforeprint",AFTERPRINT:"afterprint"};goog.events.BrowserEvent=function(a,b){goog.events.Event.call(this,a?a.type:"");this.relatedTarget=this.currentTarget=this.target=null;this.charCode=this.keyCode=this.button=this.screenY=this.screenX=this.clientY=this.clientX=this.offsetY=this.offsetX=0;this.metaKey=this.shiftKey=this.altKey=this.ctrlKey=!1;this.state=null;this.platformModifierKey=!1;this.event_=null;a&&this.init(a,b)};goog.inherits(goog.events.BrowserEvent,goog.events.Event);
 goog.events.BrowserEvent.MouseButton={LEFT:0,MIDDLE:1,RIGHT:2};goog.events.BrowserEvent.IEButtonMap=[1,4,2];
 goog.events.BrowserEvent.prototype.init=function(a,b){var c=this.type=a.type,d=a.changedTouches?a.changedTouches[0]:null;this.target=a.target||a.srcElement;this.currentTarget=b;var e=a.relatedTarget;e?goog.userAgent.GECKO&&(goog.reflect.canAccessProperty(e,"nodeName")||(e=null)):c==goog.events.EventType.MOUSEOVER?e=a.fromElement:c==goog.events.EventType.MOUSEOUT&&(e=a.toElement);this.relatedTarget=e;goog.isNull(d)?(this.offsetX=goog.userAgent.WEBKIT||void 0!==a.offsetX?a.offsetX:a.layerX,this.offsetY=
 goog.userAgent.WEBKIT||void 0!==a.offsetY?a.offsetY:a.layerY,this.clientX=void 0!==a.clientX?a.clientX:a.pageX,this.clientY=void 0!==a.clientY?a.clientY:a.pageY,this.screenX=a.screenX||0,this.screenY=a.screenY||0):(this.clientX=void 0!==d.clientX?d.clientX:d.pageX,this.clientY=void 0!==d.clientY?d.clientY:d.pageY,this.screenX=d.screenX||0,this.screenY=d.screenY||0);this.button=a.button;this.keyCode=a.keyCode||0;this.charCode=a.charCode||("keypress"==c?a.keyCode:0);this.ctrlKey=a.ctrlKey;this.altKey=
@@ -391,9 +401,9 @@ goog.functions.and=function(a){var b=arguments,c=b.length;return function(){for(
 goog.functions.create=function(a,b){var c=function(){};c.prototype=a.prototype;c=new c;a.apply(c,Array.prototype.slice.call(arguments,1));return c};goog.functions.CACHE_RETURN_VALUE=!0;goog.functions.cacheReturnValue=function(a){var b=!1,c;return function(){if(!goog.functions.CACHE_RETURN_VALUE)return a();b||(c=a(),b=!0);return c}};goog.functions.once=function(a){var b=a;return function(){if(b){var a=b;b=null;a()}}};
 goog.functions.debounce=function(a,b,c){c&&(a=goog.bind(a,c));var d=null;return function(c){goog.global.clearTimeout(d);var f=arguments;d=goog.global.setTimeout(function(){a.apply(null,f)},b)}};goog.functions.throttle=function(a,b,c){c&&(a=goog.bind(a,c));var d=null,e=!1,f=[],g=function(){d=null;e&&(e=!1,h())},h=function(){d=goog.global.setTimeout(g,b);a.apply(null,f)};return function(a){f=arguments;d?e=!0:h()}};goog.async.throwException=function(a){goog.global.setTimeout(function(){throw a;},0)};goog.async.nextTick=function(a,b,c){var d=a;b&&(d=goog.bind(a,b));d=goog.async.nextTick.wrapCallback_(d);goog.isFunction(goog.global.setImmediate)&&(c||goog.async.nextTick.useSetImmediate_())?goog.global.setImmediate(d):(goog.async.nextTick.setImmediate_||(goog.async.nextTick.setImmediate_=goog.async.nextTick.getSetImmediateEmulator_()),goog.async.nextTick.setImmediate_(d))};
 goog.async.nextTick.useSetImmediate_=function(){return goog.global.Window&&goog.global.Window.prototype&&!goog.labs.userAgent.browser.isEdge()&&goog.global.Window.prototype.setImmediate==goog.global.setImmediate?!1:!0};
-goog.async.nextTick.getSetImmediateEmulator_=function(){var a=goog.global.MessageChannel;"undefined"===typeof a&&"undefined"!==typeof window&&window.postMessage&&window.addEventListener&&!goog.labs.userAgent.engine.isPresto()&&(a=function(){var a=document.createElement(goog.dom.TagName.IFRAME);a.style.display="none";a.src="";document.documentElement.appendChild(a);var b=a.contentWindow,a=b.document;a.open();a.write("");a.close();var c="callImmediate"+Math.random(),d="file:"==b.location.protocol?"*":
-b.location.protocol+"//"+b.location.host,a=goog.bind(function(a){if(("*"==d||a.origin==d)&&a.data==c)this.port1.onmessage()},this);b.addEventListener("message",a,!1);this.port1={};this.port2={postMessage:function(){b.postMessage(c,d)}}});if("undefined"!==typeof a&&!goog.labs.userAgent.browser.isIE()){var b=new a,c={},d=c;b.port1.onmessage=function(){if(goog.isDef(c.next)){c=c.next;var a=c.cb;c.cb=null;a()}};return function(a){d.next={cb:a};d=d.next;b.port2.postMessage(0)}}return"undefined"!==typeof document&&
-"onreadystatechange"in document.createElement(goog.dom.TagName.SCRIPT)?function(a){var b=document.createElement(goog.dom.TagName.SCRIPT);b.onreadystatechange=function(){b.onreadystatechange=null;b.parentNode.removeChild(b);b=null;a();a=null};document.documentElement.appendChild(b)}:function(a){goog.global.setTimeout(a,0)}};goog.async.nextTick.wrapCallback_=goog.functions.identity;goog.debug.entryPointRegistry.register(function(a){goog.async.nextTick.wrapCallback_=a});goog.async.run=function(a,b){goog.async.run.schedule_||goog.async.run.initializeRunner_();goog.async.run.workQueueScheduled_||(goog.async.run.schedule_(),goog.async.run.workQueueScheduled_=!0);goog.async.run.workQueue_.add(a,b)};goog.async.run.initializeRunner_=function(){if(goog.global.Promise&&goog.global.Promise.resolve){var a=goog.global.Promise.resolve(void 0);goog.async.run.schedule_=function(){a.then(goog.async.run.processWorkQueue)}}else goog.async.run.schedule_=function(){goog.async.nextTick(goog.async.run.processWorkQueue)}};
+goog.async.nextTick.getSetImmediateEmulator_=function(){var a=goog.global.MessageChannel;"undefined"===typeof a&&"undefined"!==typeof window&&window.postMessage&&window.addEventListener&&!goog.labs.userAgent.engine.isPresto()&&(a=function(){var a=document.createElement("IFRAME");a.style.display="none";a.src="";document.documentElement.appendChild(a);var b=a.contentWindow,a=b.document;a.open();a.write("");a.close();var c="callImmediate"+Math.random(),d="file:"==b.location.protocol?"*":b.location.protocol+
+"//"+b.location.host,a=goog.bind(function(a){if(("*"==d||a.origin==d)&&a.data==c)this.port1.onmessage()},this);b.addEventListener("message",a,!1);this.port1={};this.port2={postMessage:function(){b.postMessage(c,d)}}});if("undefined"!==typeof a&&!goog.labs.userAgent.browser.isIE()){var b=new a,c={},d=c;b.port1.onmessage=function(){if(goog.isDef(c.next)){c=c.next;var a=c.cb;c.cb=null;a()}};return function(a){d.next={cb:a};d=d.next;b.port2.postMessage(0)}}return"undefined"!==typeof document&&"onreadystatechange"in
+document.createElement("SCRIPT")?function(a){var b=document.createElement("SCRIPT");b.onreadystatechange=function(){b.onreadystatechange=null;b.parentNode.removeChild(b);b=null;a();a=null};document.documentElement.appendChild(b)}:function(a){goog.global.setTimeout(a,0)}};goog.async.nextTick.wrapCallback_=goog.functions.identity;goog.debug.entryPointRegistry.register(function(a){goog.async.nextTick.wrapCallback_=a});goog.async.run=function(a,b){goog.async.run.schedule_||goog.async.run.initializeRunner_();goog.async.run.workQueueScheduled_||(goog.async.run.schedule_(),goog.async.run.workQueueScheduled_=!0);goog.async.run.workQueue_.add(a,b)};goog.async.run.initializeRunner_=function(){if(goog.global.Promise&&goog.global.Promise.resolve){var a=goog.global.Promise.resolve(void 0);goog.async.run.schedule_=function(){a.then(goog.async.run.processWorkQueue)}}else goog.async.run.schedule_=function(){goog.async.nextTick(goog.async.run.processWorkQueue)}};
 goog.async.run.forceNextTick=function(a){goog.async.run.schedule_=function(){goog.async.nextTick(goog.async.run.processWorkQueue);a&&a(goog.async.run.processWorkQueue)}};goog.async.run.workQueueScheduled_=!1;goog.async.run.workQueue_=new goog.async.WorkQueue;goog.DEBUG&&(goog.async.run.resetQueue=function(){goog.async.run.workQueueScheduled_=!1;goog.async.run.workQueue_=new goog.async.WorkQueue});
 goog.async.run.processWorkQueue=function(){for(var a;a=goog.async.run.workQueue_.remove();){try{a.fn.call(a.scope)}catch(b){goog.async.throwException(b)}goog.async.run.workQueue_.returnUnused(a)}goog.async.run.workQueueScheduled_=!1};goog.promise={};goog.promise.Resolver=function(){};goog.Promise=function(a,b){this.state_=goog.Promise.State_.PENDING;this.result_=void 0;this.callbackEntriesTail_=this.callbackEntries_=this.parent_=null;this.executing_=!1;0<goog.Promise.UNHANDLED_REJECTION_DELAY?this.unhandledRejectionId_=0:0==goog.Promise.UNHANDLED_REJECTION_DELAY&&(this.hadUnhandledRejection_=!1);goog.Promise.LONG_STACK_TRACES&&(this.stack_=[],this.addStackTrace_(Error("created")),this.currentStep_=0);if(a!=goog.nullFunction)try{var c=this;a.call(b,function(a){c.resolve_(goog.Promise.State_.FULFILLED,
 a)},function(a){if(goog.DEBUG&&!(a instanceof goog.Promise.CancellationError))try{if(a instanceof Error)throw a;throw Error("Promise rejected.");}catch(b){}c.resolve_(goog.Promise.State_.REJECTED,a)})}catch(d){this.resolve_(goog.Promise.State_.REJECTED,d)}};goog.Promise.LONG_STACK_TRACES=!1;goog.Promise.UNHANDLED_REJECTION_DELAY=0;goog.Promise.State_={PENDING:0,BLOCKED:1,FULFILLED:2,REJECTED:3};
@@ -411,7 +421,7 @@ goog.Promise.prototype.cancelChild_=function(a,b){if(this.callbackEntries_){for(
 goog.Promise.prototype.addCallbackEntry_=function(a){this.hasEntry_()||this.state_!=goog.Promise.State_.FULFILLED&&this.state_!=goog.Promise.State_.REJECTED||this.scheduleCallbacks_();this.queueEntry_(a)};
 goog.Promise.prototype.addChildPromise_=function(a,b,c){var d=goog.Promise.getCallbackEntry_(null,null,null);d.child=new goog.Promise(function(e,f){d.onFulfilled=a?function(b){try{var d=a.call(c,b);e(d)}catch(k){f(k)}}:e;d.onRejected=b?function(a){try{var d=b.call(c,a);!goog.isDef(d)&&a instanceof goog.Promise.CancellationError?f(a):e(d)}catch(k){f(k)}}:f});d.child.parent_=this;this.addCallbackEntry_(d);return d.child};
 goog.Promise.prototype.unblockAndFulfill_=function(a){goog.asserts.assert(this.state_==goog.Promise.State_.BLOCKED);this.state_=goog.Promise.State_.PENDING;this.resolve_(goog.Promise.State_.FULFILLED,a)};goog.Promise.prototype.unblockAndReject_=function(a){goog.asserts.assert(this.state_==goog.Promise.State_.BLOCKED);this.state_=goog.Promise.State_.PENDING;this.resolve_(goog.Promise.State_.REJECTED,a)};
-goog.Promise.prototype.resolve_=function(a,b){this.state_==goog.Promise.State_.PENDING&&(this==b&&(a=goog.Promise.State_.REJECTED,b=new TypeError("Promise cannot resolve to itself")),this.state_=goog.Promise.State_.BLOCKED,goog.Promise.maybeThen_(b,this.unblockAndFulfill_,this.unblockAndReject_,this)||(this.result_=b,this.state_=a,this.parent_=null,this.scheduleCallbacks_(),a!=goog.Promise.State_.REJECTED||b instanceof goog.Promise.CancellationError||goog.Promise.addUnhandledRejection_(this,b)))};
+goog.Promise.prototype.resolve_=function(a,b){this.state_==goog.Promise.State_.PENDING&&(this===b&&(a=goog.Promise.State_.REJECTED,b=new TypeError("Promise cannot resolve to itself")),this.state_=goog.Promise.State_.BLOCKED,goog.Promise.maybeThen_(b,this.unblockAndFulfill_,this.unblockAndReject_,this)||(this.result_=b,this.state_=a,this.parent_=null,this.scheduleCallbacks_(),a!=goog.Promise.State_.REJECTED||b instanceof goog.Promise.CancellationError||goog.Promise.addUnhandledRejection_(this,b)))};
 goog.Promise.maybeThen_=function(a,b,c,d){if(a instanceof goog.Promise)return a.thenVoid(b,c,d),!0;if(goog.Thenable.isImplementedBy(a))return a.then(b,c,d),!0;if(goog.isObject(a))try{var e=a.then;if(goog.isFunction(e))return goog.Promise.tryThen_(a,e,b,c,d),!0}catch(f){return c.call(d,f),!0}return!1};goog.Promise.tryThen_=function(a,b,c,d,e){var f=!1,g=function(a){f||(f=!0,c.call(e,a))},h=function(a){f||(f=!0,d.call(e,a))};try{b.call(a,g,h)}catch(k){h(k)}};
 goog.Promise.prototype.scheduleCallbacks_=function(){this.executing_||(this.executing_=!0,goog.async.run(this.executeCallbacks_,this))};goog.Promise.prototype.hasEntry_=function(){return!!this.callbackEntries_};goog.Promise.prototype.queueEntry_=function(a){goog.asserts.assert(null!=a.onFulfilled);this.callbackEntriesTail_?this.callbackEntriesTail_.next=a:this.callbackEntries_=a;this.callbackEntriesTail_=a};
 goog.Promise.prototype.popEntry_=function(){var a=null;this.callbackEntries_&&(a=this.callbackEntries_,this.callbackEntries_=a.next,a.next=null);this.callbackEntries_||(this.callbackEntriesTail_=null);null!=a&&goog.asserts.assert(null!=a.onFulfilled);return a};goog.Promise.prototype.removeEntryAfter_=function(a){goog.asserts.assert(this.callbackEntries_);goog.asserts.assert(null!=a);a.next==this.callbackEntriesTail_&&(this.callbackEntriesTail_=a);a.next=a.next.next};
@@ -450,8 +460,8 @@ goog.ui.Component.setDefaultRightToLeft=function(a){goog.ui.Component.defaultRig
 goog.ui.Component.prototype.getElementStrict=function(){var a=this.element_;goog.asserts.assert(a,"Can not call getElementStrict before rendering/decorating.");return a};goog.ui.Component.prototype.setElementInternal=function(a){this.element_=a};goog.ui.Component.prototype.getElementsByClass=function(a){return this.element_?this.dom_.getElementsByClass(a,this.element_):[]};goog.ui.Component.prototype.getElementByClass=function(a){return this.element_?this.dom_.getElementByClass(a,this.element_):null};
 goog.ui.Component.prototype.getRequiredElementByClass=function(a){var b=this.getElementByClass(a);goog.asserts.assert(b,"Expected element in component with class: %s",a);return b};goog.ui.Component.prototype.getHandler=function(){this.googUiComponentHandler_||(this.googUiComponentHandler_=new goog.events.EventHandler(this));return this.googUiComponentHandler_};
 goog.ui.Component.prototype.setParent=function(a){if(this==a)throw Error(goog.ui.Component.Error.PARENT_UNABLE_TO_BE_SET);if(a&&this.parent_&&this.id_&&this.parent_.getChild(this.id_)&&this.parent_!=a)throw Error(goog.ui.Component.Error.PARENT_UNABLE_TO_BE_SET);this.parent_=a;goog.ui.Component.superClass_.setParentEventTarget.call(this,a)};goog.ui.Component.prototype.getParent=function(){return this.parent_};
-goog.ui.Component.prototype.setParentEventTarget=function(a){if(this.parent_&&this.parent_!=a)throw Error(goog.ui.Component.Error.NOT_SUPPORTED);goog.ui.Component.superClass_.setParentEventTarget.call(this,a)};goog.ui.Component.prototype.getDomHelper=function(){return this.dom_};goog.ui.Component.prototype.isInDocument=function(){return this.inDocument_};goog.ui.Component.prototype.createDom=function(){this.element_=this.dom_.createElement(goog.dom.TagName.DIV)};
-goog.ui.Component.prototype.render=function(a){this.render_(a)};goog.ui.Component.prototype.renderBefore=function(a){this.render_(a.parentNode,a)};goog.ui.Component.prototype.render_=function(a,b){if(this.inDocument_)throw Error(goog.ui.Component.Error.ALREADY_RENDERED);this.element_||this.createDom();a?a.insertBefore(this.element_,b||null):this.dom_.getDocument().body.appendChild(this.element_);this.parent_&&!this.parent_.isInDocument()||this.enterDocument()};
+goog.ui.Component.prototype.setParentEventTarget=function(a){if(this.parent_&&this.parent_!=a)throw Error(goog.ui.Component.Error.NOT_SUPPORTED);goog.ui.Component.superClass_.setParentEventTarget.call(this,a)};goog.ui.Component.prototype.getDomHelper=function(){return this.dom_};goog.ui.Component.prototype.isInDocument=function(){return this.inDocument_};goog.ui.Component.prototype.createDom=function(){this.element_=this.dom_.createElement("DIV")};goog.ui.Component.prototype.render=function(a){this.render_(a)};
+goog.ui.Component.prototype.renderBefore=function(a){this.render_(a.parentNode,a)};goog.ui.Component.prototype.render_=function(a,b){if(this.inDocument_)throw Error(goog.ui.Component.Error.ALREADY_RENDERED);this.element_||this.createDom();a?a.insertBefore(this.element_,b||null):this.dom_.getDocument().body.appendChild(this.element_);this.parent_&&!this.parent_.isInDocument()||this.enterDocument()};
 goog.ui.Component.prototype.decorate=function(a){if(this.inDocument_)throw Error(goog.ui.Component.Error.ALREADY_RENDERED);if(a&&this.canDecorate(a)){this.wasDecorated_=!0;var b=goog.dom.getOwnerDocument(a);this.dom_&&this.dom_.getDocument()==b||(this.dom_=goog.dom.getDomHelper(a));this.decorateInternal(a);goog.ui.Component.ALLOW_DETACHED_DECORATION&&!goog.dom.contains(b,a)||this.enterDocument()}else throw Error(goog.ui.Component.Error.DECORATE_INVALID);};goog.ui.Component.prototype.canDecorate=function(a){return!0};
 goog.ui.Component.prototype.wasDecorated=function(){return this.wasDecorated_};goog.ui.Component.prototype.decorateInternal=function(a){this.element_=a};goog.ui.Component.prototype.enterDocument=function(){this.inDocument_=!0;this.forEachChild(function(a){!a.isInDocument()&&a.getElement()&&a.enterDocument()})};
 goog.ui.Component.prototype.exitDocument=function(){this.forEachChild(function(a){a.isInDocument()&&a.exitDocument()});this.googUiComponentHandler_&&this.googUiComponentHandler_.removeAll();this.inDocument_=!1};
@@ -472,7 +482,7 @@ PRESSED:"pressed",READONLY:"readonly",RELEVANT:"relevant",REQUIRED:"required",SE
 goog.a11y.aria.OrientationValues={VERTICAL:"vertical",HORIZONTAL:"horizontal"};goog.a11y.aria.RelevantValues={ADDITIONS:"additions",REMOVALS:"removals",TEXT:"text",ALL:"all"};goog.a11y.aria.SortValues={ASCENDING:"ascending",DESCENDING:"descending",NONE:"none",OTHER:"other"};goog.a11y.aria.CheckedValues={TRUE:"true",FALSE:"false",MIXED:"mixed",UNDEFINED:"undefined"};goog.a11y.aria.ExpandedValues={TRUE:"true",FALSE:"false",UNDEFINED:"undefined"};
 goog.a11y.aria.GrabbedValues={TRUE:"true",FALSE:"false",UNDEFINED:"undefined"};goog.a11y.aria.InvalidValues={FALSE:"false",TRUE:"true",GRAMMAR:"grammar",SPELLING:"spelling"};goog.a11y.aria.PressedValues={TRUE:"true",FALSE:"false",MIXED:"mixed",UNDEFINED:"undefined"};goog.a11y.aria.SelectedValues={TRUE:"true",FALSE:"false",UNDEFINED:"undefined"};goog.a11y.aria.datatables={};
 goog.a11y.aria.datatables.getDefaultValuesMap=function(){goog.a11y.aria.DefaultStateValueMap_||(goog.a11y.aria.DefaultStateValueMap_=goog.object.create(goog.a11y.aria.State.ATOMIC,!1,goog.a11y.aria.State.AUTOCOMPLETE,"none",goog.a11y.aria.State.DROPEFFECT,"none",goog.a11y.aria.State.HASPOPUP,!1,goog.a11y.aria.State.LIVE,"off",goog.a11y.aria.State.MULTILINE,!1,goog.a11y.aria.State.MULTISELECTABLE,!1,goog.a11y.aria.State.ORIENTATION,"vertical",goog.a11y.aria.State.READONLY,!1,goog.a11y.aria.State.RELEVANT,
-"additions text",goog.a11y.aria.State.REQUIRED,!1,goog.a11y.aria.State.SORT,"none",goog.a11y.aria.State.BUSY,!1,goog.a11y.aria.State.DISABLED,!1,goog.a11y.aria.State.HIDDEN,!1,goog.a11y.aria.State.INVALID,"false"));return goog.a11y.aria.DefaultStateValueMap_};goog.a11y.aria.ARIA_PREFIX_="aria-";goog.a11y.aria.ROLE_ATTRIBUTE_="role";goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_=[goog.dom.TagName.A,goog.dom.TagName.AREA,goog.dom.TagName.BUTTON,goog.dom.TagName.HEAD,goog.dom.TagName.INPUT,goog.dom.TagName.LINK,goog.dom.TagName.MENU,goog.dom.TagName.META,goog.dom.TagName.OPTGROUP,goog.dom.TagName.OPTION,goog.dom.TagName.PROGRESS,goog.dom.TagName.STYLE,goog.dom.TagName.SELECT,goog.dom.TagName.SOURCE,goog.dom.TagName.TEXTAREA,goog.dom.TagName.TITLE,goog.dom.TagName.TRACK];
+"additions text",goog.a11y.aria.State.REQUIRED,!1,goog.a11y.aria.State.SORT,"none",goog.a11y.aria.State.BUSY,!1,goog.a11y.aria.State.DISABLED,!1,goog.a11y.aria.State.HIDDEN,!1,goog.a11y.aria.State.INVALID,"false"));return goog.a11y.aria.DefaultStateValueMap_};goog.a11y.aria.ARIA_PREFIX_="aria-";goog.a11y.aria.ROLE_ATTRIBUTE_="role";goog.a11y.aria.TAGS_WITH_ASSUMED_ROLES_="A AREA BUTTON HEAD INPUT LINK MENU META OPTGROUP OPTION PROGRESS STYLE SELECT SOURCE TEXTAREA TITLE TRACK".split(" ");
 goog.a11y.aria.CONTAINER_ROLES_=[goog.a11y.aria.Role.COMBOBOX,goog.a11y.aria.Role.GRID,goog.a11y.aria.Role.GROUP,goog.a11y.aria.Role.LISTBOX,goog.a11y.aria.Role.MENU,goog.a11y.aria.Role.MENUBAR,goog.a11y.aria.Role.RADIOGROUP,goog.a11y.aria.Role.ROW,goog.a11y.aria.Role.ROWGROUP,goog.a11y.aria.Role.TAB_LIST,goog.a11y.aria.Role.TEXTBOX,goog.a11y.aria.Role.TOOLBAR,goog.a11y.aria.Role.TREE,goog.a11y.aria.Role.TREEGRID];
 goog.a11y.aria.setRole=function(a,b){b?(goog.asserts.ENABLE_ASSERTS&&goog.asserts.assert(goog.object.containsValue(goog.a11y.aria.Role,b),"No such ARIA role "+b),a.setAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_,b)):goog.a11y.aria.removeRole(a)};goog.a11y.aria.getRole=function(a){return a.getAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_)||null};goog.a11y.aria.removeRole=function(a){a.removeAttribute(goog.a11y.aria.ROLE_ATTRIBUTE_)};
 goog.a11y.aria.setState=function(a,b,c){goog.isArray(c)&&(c=c.join(" "));var d=goog.a11y.aria.getAriaAttributeName_(b);""===c||void 0==c?(c=goog.a11y.aria.datatables.getDefaultValuesMap(),b in c?a.setAttribute(d,c[b]):a.removeAttribute(d)):a.setAttribute(d,c)};goog.a11y.aria.toggleState=function(a,b){var c=goog.a11y.aria.getState(a,b);goog.string.isEmptyOrWhitespace(goog.string.makeSafe(c))||"true"==c||"false"==c?goog.a11y.aria.setState(a,b,"true"==c?"false":"true"):goog.a11y.aria.removeState(a,b)};
@@ -515,14 +525,14 @@ goog.dom.classlist.swap=function(a,b,c){return goog.dom.classlist.contains(a,b)?
 goog.ui.registry.setDefaultRenderer=function(a,b){if(!goog.isFunction(a))throw Error("Invalid component class "+a);if(!goog.isFunction(b))throw Error("Invalid renderer class "+b);var c=goog.getUid(a);goog.ui.registry.defaultRenderers_[c]=b};goog.ui.registry.getDecoratorByClassName=function(a){return a in goog.ui.registry.decoratorFunctions_?goog.ui.registry.decoratorFunctions_[a]():null};
 goog.ui.registry.setDecoratorByClassName=function(a,b){if(!a)throw Error("Invalid class name "+a);if(!goog.isFunction(b))throw Error("Invalid decorator function "+b);goog.ui.registry.decoratorFunctions_[a]=b};goog.ui.registry.getDecorator=function(a){goog.asserts.assert(a);for(var b=goog.dom.classlist.get(a),c=0,d=b.length;c<d;c++)if(a=goog.ui.registry.getDecoratorByClassName(b[c]))return a;return null};
 goog.ui.registry.reset=function(){goog.ui.registry.defaultRenderers_={};goog.ui.registry.decoratorFunctions_={}};goog.ui.registry.defaultRenderers_={};goog.ui.registry.decoratorFunctions_={};goog.ui.ContainerRenderer=function(a){this.ariaRole_=a};goog.addSingletonGetter(goog.ui.ContainerRenderer);goog.ui.ContainerRenderer.getCustomRenderer=function(a,b){var c=new a;c.getCssClass=function(){return b};return c};goog.ui.ContainerRenderer.CSS_CLASS="goog-container";goog.ui.ContainerRenderer.prototype.getAriaRole=function(){return this.ariaRole_};goog.ui.ContainerRenderer.prototype.enableTabIndex=function(a,b){a&&(a.tabIndex=b?0:-1)};
-goog.ui.ContainerRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom(goog.dom.TagName.DIV,this.getClassNames(a).join(" "))};goog.ui.ContainerRenderer.prototype.getContentElement=function(a){return a};goog.ui.ContainerRenderer.prototype.canDecorate=function(a){return"DIV"==a.tagName};
+goog.ui.ContainerRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom("DIV",this.getClassNames(a).join(" "))};goog.ui.ContainerRenderer.prototype.getContentElement=function(a){return a};goog.ui.ContainerRenderer.prototype.canDecorate=function(a){return"DIV"==a.tagName};
 goog.ui.ContainerRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);var c=this.getCssClass(),d=!1,e=goog.dom.classlist.get(b);e&&goog.array.forEach(e,function(b){b==c?d=!0:b&&this.setStateFromClassName(a,b,c)},this);d||goog.dom.classlist.add(b,c);this.decorateChildren(a,this.getContentElement(b));return b};
 goog.ui.ContainerRenderer.prototype.setStateFromClassName=function(a,b,c){b==c+"-disabled"?a.setEnabled(!1):b==c+"-horizontal"?a.setOrientation(goog.ui.Container.Orientation.HORIZONTAL):b==c+"-vertical"&&a.setOrientation(goog.ui.Container.Orientation.VERTICAL)};
 goog.ui.ContainerRenderer.prototype.decorateChildren=function(a,b,c){if(b){c=c||b.firstChild;for(var d;c&&c.parentNode==b;){d=c.nextSibling;if(c.nodeType==goog.dom.NodeType.ELEMENT){var e=this.getDecoratorForChild(c);e&&(e.setElementInternal(c),a.isEnabled()||e.setEnabled(!1),a.addChild(e),e.decorate(c))}else c.nodeValue&&""!=goog.string.trim(c.nodeValue)||b.removeChild(c);c=d}}};goog.ui.ContainerRenderer.prototype.getDecoratorForChild=function(a){return goog.ui.registry.getDecorator(a)};
 goog.ui.ContainerRenderer.prototype.initializeDom=function(a){a=a.getElement();goog.asserts.assert(a,"The container DOM element cannot be null.");goog.style.setUnselectable(a,!0,goog.userAgent.GECKO);goog.userAgent.IE&&(a.hideFocus=!0);var b=this.getAriaRole();b&&goog.a11y.aria.setRole(a,b)};goog.ui.ContainerRenderer.prototype.getKeyEventTarget=function(a){return a.getElement()};goog.ui.ContainerRenderer.prototype.getCssClass=function(){return goog.ui.ContainerRenderer.CSS_CLASS};
 goog.ui.ContainerRenderer.prototype.getClassNames=function(a){var b=this.getCssClass(),c=a.getOrientation()==goog.ui.Container.Orientation.HORIZONTAL,c=[b,c?b+"-horizontal":b+"-vertical"];a.isEnabled()||c.push(b+"-disabled");return c};goog.ui.ContainerRenderer.prototype.getDefaultOrientation=function(){return goog.ui.Container.Orientation.VERTICAL};goog.ui.ControlRenderer=function(){};goog.addSingletonGetter(goog.ui.ControlRenderer);goog.tagUnsealableClass(goog.ui.ControlRenderer);goog.ui.ControlRenderer.getCustomRenderer=function(a,b){var c=new a;c.getCssClass=function(){return b};return c};goog.ui.ControlRenderer.CSS_CLASS="goog-control";goog.ui.ControlRenderer.IE6_CLASS_COMBINATIONS=[];
 goog.ui.ControlRenderer.TOGGLE_ARIA_STATE_MAP_=goog.object.create(goog.a11y.aria.Role.BUTTON,goog.a11y.aria.State.PRESSED,goog.a11y.aria.Role.CHECKBOX,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.MENU_ITEM,goog.a11y.aria.State.SELECTED,goog.a11y.aria.Role.MENU_ITEM_CHECKBOX,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.MENU_ITEM_RADIO,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.RADIO,goog.a11y.aria.State.CHECKED,goog.a11y.aria.Role.TAB,goog.a11y.aria.State.SELECTED,goog.a11y.aria.Role.TREEITEM,
-goog.a11y.aria.State.SELECTED);goog.ui.ControlRenderer.prototype.getAriaRole=function(){};goog.ui.ControlRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom(goog.dom.TagName.DIV,this.getClassNames(a).join(" "),a.getContent())};goog.ui.ControlRenderer.prototype.getContentElement=function(a){return a};
+goog.a11y.aria.State.SELECTED);goog.ui.ControlRenderer.prototype.getAriaRole=function(){};goog.ui.ControlRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom("DIV",this.getClassNames(a).join(" "),a.getContent())};goog.ui.ControlRenderer.prototype.getContentElement=function(a){return a};
 goog.ui.ControlRenderer.prototype.enableClassName=function(a,b,c){if(a=a.getElement?a.getElement():a){var d=[b];goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("7")&&(d=this.getAppliedCombinedClassNames_(goog.dom.classlist.get(a),b),d.push(b));goog.dom.classlist.enableAll(a,d,c)}};goog.ui.ControlRenderer.prototype.enableExtraClassName=function(a,b,c){this.enableClassName(a,b,c)};goog.ui.ControlRenderer.prototype.canDecorate=function(a){return!0};
 goog.ui.ControlRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);var c=this.getContentElement(b);c&&c.firstChild?a.setContentInternal(c.firstChild.nextSibling?goog.array.clone(c.childNodes):c.firstChild):a.setContentInternal(null);var d=0,e=this.getCssClass(),f=this.getStructuralCssClass(),g=!1,h=!1,k=!1,m=goog.array.toArray(goog.dom.classlist.get(b));goog.array.forEach(m,function(a){g||a!=e?h||a!=f?d|=this.getStateFromClass(a):h=!0:(g=!0,f==e&&(h=!0));this.getStateFromClass(a)==goog.ui.Component.State.DISABLED&&
 (goog.asserts.assertElement(c),goog.dom.isFocusableTabIndex(c)&&goog.dom.setFocusableTabIndex(c,!1))},this);a.setStateInternal(d);g||(m.push(e),f==e&&(h=!0));h||m.push(f);var p=a.getExtraClassNames();p&&m.push.apply(m,p);if(goog.userAgent.IE&&!goog.userAgent.isVersionOrHigher("7")){var l=this.getAppliedCombinedClassNames_(m);0<l.length&&(m.push.apply(m,l),k=!0)}g&&h&&!p&&!k||goog.dom.classlist.set(b,m.join(" "));return b};
@@ -612,12 +622,12 @@ goog.ui.Container.prototype.highlightHelper=function(a,b){for(var c=0>b?this.ind
 goog.ui.Container.prototype.setHighlightedIndexFromKeyEvent=function(a){this.setHighlightedIndex(a)};goog.ui.Container.prototype.getOpenItem=function(){return this.openItem_};goog.ui.Container.prototype.isMouseButtonPressed=function(){return this.mouseButtonPressed_};goog.ui.Container.prototype.setMouseButtonPressed=function(a){this.mouseButtonPressed_=a};goog.ui.MenuHeaderRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.MenuHeaderRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.MenuHeaderRenderer);goog.ui.MenuHeaderRenderer.CSS_CLASS="goog-menuheader";goog.ui.MenuHeaderRenderer.prototype.getCssClass=function(){return goog.ui.MenuHeaderRenderer.CSS_CLASS};goog.ui.MenuHeader=function(a,b,c){goog.ui.Control.call(this,a,c||goog.ui.MenuHeaderRenderer.getInstance(),b);this.setSupportedState(goog.ui.Component.State.DISABLED,!1);this.setSupportedState(goog.ui.Component.State.HOVER,!1);this.setSupportedState(goog.ui.Component.State.ACTIVE,!1);this.setSupportedState(goog.ui.Component.State.FOCUSED,!1);this.setStateInternal(goog.ui.Component.State.DISABLED)};goog.inherits(goog.ui.MenuHeader,goog.ui.Control);
 goog.ui.registry.setDecoratorByClassName(goog.ui.MenuHeaderRenderer.CSS_CLASS,function(){return new goog.ui.MenuHeader(null)});goog.ui.MenuItemRenderer=function(){goog.ui.ControlRenderer.call(this);this.classNameCache_=[]};goog.inherits(goog.ui.MenuItemRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.MenuItemRenderer);goog.ui.MenuItemRenderer.CSS_CLASS="goog-menuitem";goog.ui.MenuItemRenderer.CompositeCssClassIndex_={HOVER:0,CHECKBOX:1,CONTENT:2};
 goog.ui.MenuItemRenderer.prototype.getCompositeCssClass_=function(a){var b=this.classNameCache_[a];if(!b){switch(a){case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER:b=this.getStructuralCssClass()+"-highlight";break;case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX:b=this.getStructuralCssClass()+"-checkbox";break;case goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT:b=this.getStructuralCssClass()+"-content"}this.classNameCache_[a]=b}return b};
-goog.ui.MenuItemRenderer.prototype.getAriaRole=function(){return goog.a11y.aria.Role.MENU_ITEM};goog.ui.MenuItemRenderer.prototype.createDom=function(a){var b=a.getDomHelper().createDom(goog.dom.TagName.DIV,this.getClassNames(a).join(" "),this.createContent(a.getContent(),a.getDomHelper()));this.setEnableCheckBoxStructure(a,b,a.isSupportedState(goog.ui.Component.State.SELECTED)||a.isSupportedState(goog.ui.Component.State.CHECKED));return b};
+goog.ui.MenuItemRenderer.prototype.getAriaRole=function(){return goog.a11y.aria.Role.MENU_ITEM};goog.ui.MenuItemRenderer.prototype.createDom=function(a){var b=a.getDomHelper().createDom("DIV",this.getClassNames(a).join(" "),this.createContent(a.getContent(),a.getDomHelper()));this.setEnableCheckBoxStructure(a,b,a.isSupportedState(goog.ui.Component.State.SELECTED)||a.isSupportedState(goog.ui.Component.State.CHECKED));return b};
 goog.ui.MenuItemRenderer.prototype.getContentElement=function(a){return a&&a.firstChild};goog.ui.MenuItemRenderer.prototype.decorate=function(a,b){goog.asserts.assert(b);this.hasContentStructure(b)||b.appendChild(this.createContent(b.childNodes,a.getDomHelper()));goog.dom.classlist.contains(b,"goog-option")&&(a.setCheckable(!0),this.setCheckable(a,b,!0));return goog.ui.MenuItemRenderer.superClass_.decorate.call(this,a,b)};
 goog.ui.MenuItemRenderer.prototype.setContent=function(a,b){var c=this.getContentElement(a),d=this.hasCheckBoxStructure(a)?c.firstChild:null;goog.ui.MenuItemRenderer.superClass_.setContent.call(this,a,b);d&&!this.hasCheckBoxStructure(a)&&c.insertBefore(d,c.firstChild||null)};
-goog.ui.MenuItemRenderer.prototype.hasContentStructure=function(a){a=goog.dom.getFirstElementChild(a);var b=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);return!!a&&goog.dom.classlist.contains(a,b)};goog.ui.MenuItemRenderer.prototype.createContent=function(a,b){var c=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);return b.createDom(goog.dom.TagName.DIV,c,a)};
+goog.ui.MenuItemRenderer.prototype.hasContentStructure=function(a){a=goog.dom.getFirstElementChild(a);var b=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);return!!a&&goog.dom.classlist.contains(a,b)};goog.ui.MenuItemRenderer.prototype.createContent=function(a,b){var c=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CONTENT);return b.createDom("DIV",c,a)};
 goog.ui.MenuItemRenderer.prototype.setSelectable=function(a,b,c){a&&b&&this.setEnableCheckBoxStructure(a,b,c)};goog.ui.MenuItemRenderer.prototype.setCheckable=function(a,b,c){a&&b&&this.setEnableCheckBoxStructure(a,b,c)};goog.ui.MenuItemRenderer.prototype.hasCheckBoxStructure=function(a){if(a=this.getContentElement(a)){a=a.firstChild;var b=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX);return!!a&&goog.dom.isElement(a)&&goog.dom.classlist.contains(a,b)}return!1};
-goog.ui.MenuItemRenderer.prototype.setEnableCheckBoxStructure=function(a,b,c){this.setAriaRole(b,a.getPreferredAriaRole());this.setAriaStates(a,b);c!=this.hasCheckBoxStructure(b)&&(goog.dom.classlist.enable(b,"goog-option",c),b=this.getContentElement(b),c?(c=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX),b.insertBefore(a.getDomHelper().createDom(goog.dom.TagName.DIV,c),b.firstChild||null)):b.removeChild(b.firstChild))};
+goog.ui.MenuItemRenderer.prototype.setEnableCheckBoxStructure=function(a,b,c){this.setAriaRole(b,a.getPreferredAriaRole());this.setAriaStates(a,b);c!=this.hasCheckBoxStructure(b)&&(goog.dom.classlist.enable(b,"goog-option",c),b=this.getContentElement(b),c?(c=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.CHECKBOX),b.insertBefore(a.getDomHelper().createDom("DIV",c),b.firstChild||null)):b.removeChild(b.firstChild))};
 goog.ui.MenuItemRenderer.prototype.getClassForState=function(a){switch(a){case goog.ui.Component.State.HOVER:return this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER);case goog.ui.Component.State.CHECKED:case goog.ui.Component.State.SELECTED:return"goog-option-selected";default:return goog.ui.MenuItemRenderer.superClass_.getClassForState.call(this,a)}};
 goog.ui.MenuItemRenderer.prototype.getStateFromClass=function(a){var b=this.getCompositeCssClass_(goog.ui.MenuItemRenderer.CompositeCssClassIndex_.HOVER);switch(a){case "goog-option-selected":return goog.ui.Component.State.CHECKED;case b:return goog.ui.Component.State.HOVER;default:return goog.ui.MenuItemRenderer.superClass_.getStateFromClass.call(this,a)}};goog.ui.MenuItemRenderer.prototype.getCssClass=function(){return goog.ui.MenuItemRenderer.CSS_CLASS};goog.ui.MenuItem=function(a,b,c,d){goog.ui.Control.call(this,a,d||goog.ui.MenuItemRenderer.getInstance(),c);this.setValue(b)};goog.inherits(goog.ui.MenuItem,goog.ui.Control);goog.tagUnsealableClass(goog.ui.MenuItem);goog.ui.MenuItem.MNEMONIC_WRAPPER_CLASS_="goog-menuitem-mnemonic-separator";goog.ui.MenuItem.ACCELERATOR_CLASS="goog-menuitem-accel";goog.ui.MenuItem.prototype.getValue=function(){var a=this.getModel();return null!=a?a:this.getCaption()};goog.ui.MenuItem.prototype.setValue=function(a){this.setModel(a)};
 goog.ui.MenuItem.prototype.setSupportedState=function(a,b){goog.ui.MenuItem.superClass_.setSupportedState.call(this,a,b);switch(a){case goog.ui.Component.State.SELECTED:this.setSelectableInternal_(b);break;case goog.ui.Component.State.CHECKED:this.setCheckableInternal_(b)}};goog.ui.MenuItem.prototype.setSelectable=function(a){this.setSupportedState(goog.ui.Component.State.SELECTED,a)};
@@ -626,10 +636,10 @@ goog.ui.MenuItem.prototype.getCaption=function(){var a=this.getContent();if(goog
 goog.ui.MenuItem.prototype.getAccelerator=function(){var a=this.getDomHelper(),b=this.getContent();return goog.isArray(b)&&(b=goog.array.find(b,function(a){return goog.dom.classlist.contains(a,goog.ui.MenuItem.ACCELERATOR_CLASS)}))?a.getTextContent(b):null};
 goog.ui.MenuItem.prototype.handleMouseUp=function(a){var b=this.getParent();if(b){var c=b.openingCoords;b.openingCoords=null;if(c&&goog.isNumber(a.clientX)&&(b=new goog.math.Coordinate(a.clientX,a.clientY),goog.math.Coordinate.equals(c,b)))return}goog.ui.MenuItem.superClass_.handleMouseUp.call(this,a)};goog.ui.MenuItem.prototype.handleKeyEventInternal=function(a){return a.keyCode==this.getMnemonic()&&this.performActionInternal(a)?!0:goog.ui.MenuItem.superClass_.handleKeyEventInternal.call(this,a)};
 goog.ui.MenuItem.prototype.setMnemonic=function(a){this.mnemonicKey_=a};goog.ui.MenuItem.prototype.getMnemonic=function(){return this.mnemonicKey_};goog.ui.registry.setDecoratorByClassName(goog.ui.MenuItemRenderer.CSS_CLASS,function(){return new goog.ui.MenuItem(null)});
-goog.ui.MenuItem.prototype.getPreferredAriaRole=function(){return this.isSupportedState(goog.ui.Component.State.CHECKED)?goog.a11y.aria.Role.MENU_ITEM_CHECKBOX:this.isSupportedState(goog.ui.Component.State.SELECTED)?goog.a11y.aria.Role.MENU_ITEM_RADIO:goog.ui.MenuItem.superClass_.getPreferredAriaRole.call(this)};goog.ui.MenuItem.prototype.getParent=function(){return goog.ui.Control.prototype.getParent.call(this)};goog.ui.MenuItem.prototype.getParentEventTarget=function(){return goog.ui.Control.prototype.getParentEventTarget.call(this)};goog.ui.MenuSeparatorRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.MenuSeparatorRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.MenuSeparatorRenderer);goog.ui.MenuSeparatorRenderer.CSS_CLASS="goog-menuseparator";goog.ui.MenuSeparatorRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom(goog.dom.TagName.DIV,this.getCssClass())};
-goog.ui.MenuSeparatorRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);if(b.tagName==goog.dom.TagName.HR){var c=b;b=this.createDom(a);goog.dom.insertSiblingBefore(b,c);goog.dom.removeNode(c)}else goog.dom.classlist.add(b,this.getCssClass());return b};goog.ui.MenuSeparatorRenderer.prototype.setContent=function(a,b){};goog.ui.MenuSeparatorRenderer.prototype.getCssClass=function(){return goog.ui.MenuSeparatorRenderer.CSS_CLASS};goog.ui.Separator=function(a,b){goog.ui.Control.call(this,null,a||goog.ui.MenuSeparatorRenderer.getInstance(),b);this.setSupportedState(goog.ui.Component.State.DISABLED,!1);this.setSupportedState(goog.ui.Component.State.HOVER,!1);this.setSupportedState(goog.ui.Component.State.ACTIVE,!1);this.setSupportedState(goog.ui.Component.State.FOCUSED,!1);this.setStateInternal(goog.ui.Component.State.DISABLED)};goog.inherits(goog.ui.Separator,goog.ui.Control);
-goog.ui.Separator.prototype.enterDocument=function(){goog.ui.Separator.superClass_.enterDocument.call(this);var a=this.getElement();goog.asserts.assert(a,"The DOM element for the separator cannot be null.");goog.a11y.aria.setRole(a,"separator")};goog.ui.registry.setDecoratorByClassName(goog.ui.MenuSeparatorRenderer.CSS_CLASS,function(){return new goog.ui.Separator});goog.ui.MenuRenderer=function(a){goog.ui.ContainerRenderer.call(this,a||goog.a11y.aria.Role.MENU)};goog.inherits(goog.ui.MenuRenderer,goog.ui.ContainerRenderer);goog.addSingletonGetter(goog.ui.MenuRenderer);goog.ui.MenuRenderer.CSS_CLASS="goog-menu";goog.ui.MenuRenderer.prototype.canDecorate=function(a){return a.tagName==goog.dom.TagName.UL||goog.ui.MenuRenderer.superClass_.canDecorate.call(this,a)};
-goog.ui.MenuRenderer.prototype.getDecoratorForChild=function(a){return a.tagName==goog.dom.TagName.HR?new goog.ui.Separator:goog.ui.MenuRenderer.superClass_.getDecoratorForChild.call(this,a)};goog.ui.MenuRenderer.prototype.containsElement=function(a,b){return goog.dom.contains(a.getElement(),b)};goog.ui.MenuRenderer.prototype.getCssClass=function(){return goog.ui.MenuRenderer.CSS_CLASS};
+goog.ui.MenuItem.prototype.getPreferredAriaRole=function(){return this.isSupportedState(goog.ui.Component.State.CHECKED)?goog.a11y.aria.Role.MENU_ITEM_CHECKBOX:this.isSupportedState(goog.ui.Component.State.SELECTED)?goog.a11y.aria.Role.MENU_ITEM_RADIO:goog.ui.MenuItem.superClass_.getPreferredAriaRole.call(this)};goog.ui.MenuItem.prototype.getParent=function(){return goog.ui.Control.prototype.getParent.call(this)};goog.ui.MenuItem.prototype.getParentEventTarget=function(){return goog.ui.Control.prototype.getParentEventTarget.call(this)};goog.ui.MenuSeparatorRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.MenuSeparatorRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.MenuSeparatorRenderer);goog.ui.MenuSeparatorRenderer.CSS_CLASS="goog-menuseparator";goog.ui.MenuSeparatorRenderer.prototype.createDom=function(a){return a.getDomHelper().createDom("DIV",this.getCssClass())};
+goog.ui.MenuSeparatorRenderer.prototype.decorate=function(a,b){b.id&&a.setId(b.id);if("HR"==b.tagName){var c=b;b=this.createDom(a);goog.dom.insertSiblingBefore(b,c);goog.dom.removeNode(c)}else goog.dom.classlist.add(b,this.getCssClass());return b};goog.ui.MenuSeparatorRenderer.prototype.setContent=function(a,b){};goog.ui.MenuSeparatorRenderer.prototype.getCssClass=function(){return goog.ui.MenuSeparatorRenderer.CSS_CLASS};goog.ui.Separator=function(a,b){goog.ui.Control.call(this,null,a||goog.ui.MenuSeparatorRenderer.getInstance(),b);this.setSupportedState(goog.ui.Component.State.DISABLED,!1);this.setSupportedState(goog.ui.Component.State.HOVER,!1);this.setSupportedState(goog.ui.Component.State.ACTIVE,!1);this.setSupportedState(goog.ui.Component.State.FOCUSED,!1);this.setStateInternal(goog.ui.Component.State.DISABLED)};goog.inherits(goog.ui.Separator,goog.ui.Control);
+goog.ui.Separator.prototype.enterDocument=function(){goog.ui.Separator.superClass_.enterDocument.call(this);var a=this.getElement();goog.asserts.assert(a,"The DOM element for the separator cannot be null.");goog.a11y.aria.setRole(a,"separator")};goog.ui.registry.setDecoratorByClassName(goog.ui.MenuSeparatorRenderer.CSS_CLASS,function(){return new goog.ui.Separator});goog.ui.MenuRenderer=function(a){goog.ui.ContainerRenderer.call(this,a||goog.a11y.aria.Role.MENU)};goog.inherits(goog.ui.MenuRenderer,goog.ui.ContainerRenderer);goog.addSingletonGetter(goog.ui.MenuRenderer);goog.ui.MenuRenderer.CSS_CLASS="goog-menu";goog.ui.MenuRenderer.prototype.canDecorate=function(a){return"UL"==a.tagName||goog.ui.MenuRenderer.superClass_.canDecorate.call(this,a)};
+goog.ui.MenuRenderer.prototype.getDecoratorForChild=function(a){return"HR"==a.tagName?new goog.ui.Separator:goog.ui.MenuRenderer.superClass_.getDecoratorForChild.call(this,a)};goog.ui.MenuRenderer.prototype.containsElement=function(a,b){return goog.dom.contains(a.getElement(),b)};goog.ui.MenuRenderer.prototype.getCssClass=function(){return goog.ui.MenuRenderer.CSS_CLASS};
 goog.ui.MenuRenderer.prototype.initializeDom=function(a){goog.ui.MenuRenderer.superClass_.initializeDom.call(this,a);a=a.getElement();goog.asserts.assert(a,"The menu DOM element cannot be null.");goog.a11y.aria.setState(a,goog.a11y.aria.State.HASPOPUP,"true")};goog.ui.MenuSeparator=function(a){goog.ui.Separator.call(this,goog.ui.MenuSeparatorRenderer.getInstance(),a)};goog.inherits(goog.ui.MenuSeparator,goog.ui.Separator);goog.ui.registry.setDecoratorByClassName(goog.ui.MenuSeparatorRenderer.CSS_CLASS,function(){return new goog.ui.Separator});goog.ui.Menu=function(a,b){goog.ui.Container.call(this,goog.ui.Container.Orientation.VERTICAL,b||goog.ui.MenuRenderer.getInstance(),a);this.setFocusable(!1)};goog.inherits(goog.ui.Menu,goog.ui.Container);goog.tagUnsealableClass(goog.ui.Menu);goog.ui.Menu.EventType={BEFORE_SHOW:goog.ui.Component.EventType.BEFORE_SHOW,SHOW:goog.ui.Component.EventType.SHOW,BEFORE_HIDE:goog.ui.Component.EventType.HIDE,HIDE:goog.ui.Component.EventType.HIDE};goog.ui.Menu.CSS_CLASS=goog.ui.MenuRenderer.CSS_CLASS;
 goog.ui.Menu.prototype.allowAutoFocus_=!0;goog.ui.Menu.prototype.allowHighlightDisabled_=!1;goog.ui.Menu.prototype.getCssClass=function(){return this.getRenderer().getCssClass()};goog.ui.Menu.prototype.containsElement=function(a){if(this.getRenderer().containsElement(this,a))return!0;for(var b=0,c=this.getChildCount();b<c;b++){var d=this.getChildAt(b);if("function"==typeof d.containsElement&&d.containsElement(a))return!0}return!1};goog.ui.Menu.prototype.addItem=function(a){this.addChild(a,!0)};
 goog.ui.Menu.prototype.addItemAt=function(a,b){this.addChildAt(a,b,!0)};goog.ui.Menu.prototype.removeItem=function(a){(a=this.removeChild(a,!0))&&a.dispose()};goog.ui.Menu.prototype.removeItemAt=function(a){(a=this.removeChildAt(a,!0))&&a.dispose()};goog.ui.Menu.prototype.getItemAt=function(a){return this.getChildAt(a)};goog.ui.Menu.prototype.getItemCount=function(){return this.getChildCount()};goog.ui.Menu.prototype.getItems=function(){var a=[];this.forEachChild(function(b){a.push(b)});return a};
@@ -638,7 +648,7 @@ goog.ui.Menu.prototype.setAllowHighlightDisabled=function(a){this.allowHighlight
 goog.ui.Menu.prototype.handleEnterItem=function(a){this.allowAutoFocus_&&this.getKeyEventTarget().focus();return goog.ui.Menu.superClass_.handleEnterItem.call(this,a)};goog.ui.Menu.prototype.highlightNextPrefix=function(a){var b=new RegExp("^"+goog.string.regExpEscape(a),"i");return this.highlightHelper(function(a,d){var e=0>a?0:a,f=!1;do{++a;a==d&&(a=0,f=!0);var g=this.getChildAt(a).getCaption();if(g&&g.match(b))return a}while(!f||a!=e);return this.getHighlightedIndex()},this.getHighlightedIndex())};
 goog.ui.Menu.prototype.canHighlightItem=function(a){return(this.allowHighlightDisabled_||a.isEnabled())&&a.isVisible()&&a.isSupportedState(goog.ui.Component.State.HOVER)};goog.ui.Menu.prototype.decorateInternal=function(a){this.decorateContent(a);goog.ui.Menu.superClass_.decorateInternal.call(this,a)};
 goog.ui.Menu.prototype.handleKeyEventInternal=function(a){var b=goog.ui.Menu.superClass_.handleKeyEventInternal.call(this,a);b||this.forEachChild(function(c){!b&&c.getMnemonic&&c.getMnemonic()==a.keyCode&&(this.isEnabled()&&this.setHighlighted(c),b=c.handleKeyEvent(a))},this);return b};goog.ui.Menu.prototype.setHighlightedIndex=function(a){goog.ui.Menu.superClass_.setHighlightedIndex.call(this,a);(a=this.getChildAt(a))&&goog.style.scrollIntoContainerView(a.getElement(),this.getElement())};
-goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass(goog.dom.TagName.DIV,b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.color={};
+goog.ui.Menu.prototype.decorateContent=function(a){var b=this.getRenderer();a=this.getDomHelper().getElementsByTagNameAndClass("DIV",b.getCssClass()+"-content",a);for(var c=a.length,d=0;d<c;d++)b.decorateChildren(this,a[d])};goog.color={};
 goog.color.names={aliceblue:"#f0f8ff",antiquewhite:"#faebd7",aqua:"#00ffff",aquamarine:"#7fffd4",azure:"#f0ffff",beige:"#f5f5dc",bisque:"#ffe4c4",black:"#000000",blanchedalmond:"#ffebcd",blue:"#0000ff",blueviolet:"#8a2be2",brown:"#a52a2a",burlywood:"#deb887",cadetblue:"#5f9ea0",chartreuse:"#7fff00",chocolate:"#d2691e",coral:"#ff7f50",cornflowerblue:"#6495ed",cornsilk:"#fff8dc",crimson:"#dc143c",cyan:"#00ffff",darkblue:"#00008b",darkcyan:"#008b8b",darkgoldenrod:"#b8860b",darkgray:"#a9a9a9",darkgreen:"#006400",
 darkgrey:"#a9a9a9",darkkhaki:"#bdb76b",darkmagenta:"#8b008b",darkolivegreen:"#556b2f",darkorange:"#ff8c00",darkorchid:"#9932cc",darkred:"#8b0000",darksalmon:"#e9967a",darkseagreen:"#8fbc8f",darkslateblue:"#483d8b",darkslategray:"#2f4f4f",darkslategrey:"#2f4f4f",darkturquoise:"#00ced1",darkviolet:"#9400d3",deeppink:"#ff1493",deepskyblue:"#00bfff",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1e90ff",firebrick:"#b22222",floralwhite:"#fffaf0",forestgreen:"#228b22",fuchsia:"#ff00ff",gainsboro:"#dcdcdc",
 ghostwhite:"#f8f8ff",gold:"#ffd700",goldenrod:"#daa520",gray:"#808080",green:"#008000",greenyellow:"#adff2f",grey:"#808080",honeydew:"#f0fff0",hotpink:"#ff69b4",indianred:"#cd5c5c",indigo:"#4b0082",ivory:"#fffff0",khaki:"#f0e68c",lavender:"#e6e6fa",lavenderblush:"#fff0f5",lawngreen:"#7cfc00",lemonchiffon:"#fffacd",lightblue:"#add8e6",lightcoral:"#f08080",lightcyan:"#e0ffff",lightgoldenrodyellow:"#fafad2",lightgray:"#d3d3d3",lightgreen:"#90ee90",lightgrey:"#d3d3d3",lightpink:"#ffb6c1",lightsalmon:"#ffa07a",
@@ -684,13 +694,12 @@ goog.dom.TagIterator.prototype.restartTag=function(){var a=this.reversed?goog.do
 goog.dom.TagIterator.prototype.next=function(){var a;if(this.started_){if(!this.node||this.constrained&&0==this.depth)throw goog.iter.StopIteration;a=this.node;var b=this.reversed?goog.dom.TagWalkType.END_TAG:goog.dom.TagWalkType.START_TAG;if(this.tagType==b){var c=this.reversed?a.lastChild:a.firstChild;c?this.setPosition(c):this.setPosition(a,-1*b)}else(c=this.reversed?a.previousSibling:a.nextSibling)?this.setPosition(c):this.setPosition(a.parentNode,-1*b);this.depth+=this.tagType*(this.reversed?
 -1:1)}else this.started_=!0;a=this.node;if(!this.node)throw goog.iter.StopIteration;return a};goog.dom.TagIterator.prototype.isStarted=function(){return this.started_};goog.dom.TagIterator.prototype.isStartTag=function(){return this.tagType==goog.dom.TagWalkType.START_TAG};goog.dom.TagIterator.prototype.isEndTag=function(){return this.tagType==goog.dom.TagWalkType.END_TAG};goog.dom.TagIterator.prototype.isNonElement=function(){return this.tagType==goog.dom.TagWalkType.OTHER};
 goog.dom.TagIterator.prototype.equals=function(a){return a.node==this.node&&(!this.node||a.tagType==this.tagType)};goog.dom.TagIterator.prototype.splice=function(a){var b=this.node;this.restartTag();this.reversed=!this.reversed;goog.dom.TagIterator.prototype.next.call(this);this.reversed=!this.reversed;for(var c=goog.isArrayLike(arguments[0])?arguments[0]:arguments,d=c.length-1;0<=d;d--)goog.dom.insertSiblingAfter(c[d],b);goog.dom.removeNode(b)};goog.dom.NodeIterator=function(a,b,c,d){goog.dom.TagIterator.call(this,a,b,c,null,d)};goog.inherits(goog.dom.NodeIterator,goog.dom.TagIterator);goog.dom.NodeIterator.prototype.next=function(){do goog.dom.NodeIterator.superClass_.next.call(this);while(this.isEndTag());return this.node};goog.ui.PaletteRenderer=function(){goog.ui.ControlRenderer.call(this)};goog.inherits(goog.ui.PaletteRenderer,goog.ui.ControlRenderer);goog.addSingletonGetter(goog.ui.PaletteRenderer);goog.ui.PaletteRenderer.cellId_=0;goog.ui.PaletteRenderer.CSS_CLASS="goog-palette";
-goog.ui.PaletteRenderer.prototype.createDom=function(a){var b=this.getClassNames(a);a=a.getDomHelper().createDom(goog.dom.TagName.DIV,b?b.join(" "):null,this.createGrid(a.getContent(),a.getSize(),a.getDomHelper()));goog.a11y.aria.setRole(a,goog.a11y.aria.Role.GRID);return a};
-goog.ui.PaletteRenderer.prototype.createGrid=function(a,b,c){for(var d=[],e=0,f=0;e<b.height;e++){for(var g=[],h=0;h<b.width;h++){var k=a&&a[f++];g.push(this.createCell(k,c))}d.push(this.createRow(g,c))}return this.createTable(d,c)};goog.ui.PaletteRenderer.prototype.createTable=function(a,b){var c=b.createDom(goog.dom.TagName.TABLE,this.getCssClass()+"-table",b.createDom(goog.dom.TagName.TBODY,this.getCssClass()+"-body",a));c.cellSpacing=0;c.cellPadding=0;return c};
-goog.ui.PaletteRenderer.prototype.createRow=function(a,b){var c=b.createDom(goog.dom.TagName.TR,this.getCssClass()+"-row",a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.ROW);return c};
-goog.ui.PaletteRenderer.prototype.createCell=function(a,b){var c=b.createDom(goog.dom.TagName.TD,{"class":this.getCssClass()+"-cell",id:this.getCssClass()+"-cell-"+goog.ui.PaletteRenderer.cellId_++},a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.GRIDCELL);goog.a11y.aria.setState(c,goog.a11y.aria.State.SELECTED,!1);if(!goog.dom.getTextContent(c)&&!goog.a11y.aria.getLabel(c)){var d=this.findAriaLabelForCell_(c);d&&goog.a11y.aria.setLabel(c,d)}return c};
+goog.ui.PaletteRenderer.prototype.createDom=function(a){var b=this.getClassNames(a);a=a.getDomHelper().createDom("DIV",b?b.join(" "):null,this.createGrid(a.getContent(),a.getSize(),a.getDomHelper()));goog.a11y.aria.setRole(a,goog.a11y.aria.Role.GRID);return a};goog.ui.PaletteRenderer.prototype.createGrid=function(a,b,c){for(var d=[],e=0,f=0;e<b.height;e++){for(var g=[],h=0;h<b.width;h++){var k=a&&a[f++];g.push(this.createCell(k,c))}d.push(this.createRow(g,c))}return this.createTable(d,c)};
+goog.ui.PaletteRenderer.prototype.createTable=function(a,b){var c=b.createDom("TABLE",this.getCssClass()+"-table",b.createDom("TBODY",this.getCssClass()+"-body",a));c.cellSpacing=0;c.cellPadding=0;return c};goog.ui.PaletteRenderer.prototype.createRow=function(a,b){var c=b.createDom("TR",this.getCssClass()+"-row",a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.ROW);return c};
+goog.ui.PaletteRenderer.prototype.createCell=function(a,b){var c=b.createDom("TD",{"class":this.getCssClass()+"-cell",id:this.getCssClass()+"-cell-"+goog.ui.PaletteRenderer.cellId_++},a);goog.a11y.aria.setRole(c,goog.a11y.aria.Role.GRIDCELL);goog.a11y.aria.setState(c,goog.a11y.aria.State.SELECTED,!1);if(!goog.dom.getTextContent(c)&&!goog.a11y.aria.getLabel(c)){var d=this.findAriaLabelForCell_(c);d&&goog.a11y.aria.setLabel(c,d)}return c};
 goog.ui.PaletteRenderer.prototype.findAriaLabelForCell_=function(a){a=new goog.dom.NodeIterator(a);for(var b="",c;!b&&(c=goog.iter.nextOrValue(a,null));)c.nodeType==goog.dom.NodeType.ELEMENT&&(b=goog.a11y.aria.getLabel(c)||c.title);return b};goog.ui.PaletteRenderer.prototype.canDecorate=function(a){return!1};goog.ui.PaletteRenderer.prototype.decorate=function(a,b){return null};
-goog.ui.PaletteRenderer.prototype.setContent=function(a,b){if(a){var c=goog.dom.getElementsByTagNameAndClass(goog.dom.TagName.TBODY,this.getCssClass()+"-body",a)[0];if(c){var d=0;goog.array.forEach(c.rows,function(a){goog.array.forEach(a.cells,function(a){goog.dom.removeChildren(a);if(b){var c=b[d++];c&&goog.dom.appendChild(a,c)}})});if(d<b.length){for(var e=[],f=goog.dom.getDomHelper(a),g=c.rows[0].cells.length;d<b.length;){var h=b[d++];e.push(this.createCell(h,f));e.length==g&&(h=this.createRow(e,
-f),goog.dom.appendChild(c,h),e.length=0)}if(0<e.length){for(;e.length<g;)e.push(this.createCell("",f));h=this.createRow(e,f);goog.dom.appendChild(c,h)}}}goog.style.setUnselectable(a,!0,goog.userAgent.GECKO)}};goog.ui.PaletteRenderer.prototype.getContainingItem=function(a,b){for(var c=a.getElement();b&&b.nodeType==goog.dom.NodeType.ELEMENT&&b!=c;){if(b.tagName==goog.dom.TagName.TD&&goog.dom.classlist.contains(b,this.getCssClass()+"-cell"))return b.firstChild;b=b.parentNode}return null};
+goog.ui.PaletteRenderer.prototype.setContent=function(a,b){if(a){var c=goog.dom.getElementsByTagNameAndClass("TBODY",this.getCssClass()+"-body",a)[0];if(c){var d=0;goog.array.forEach(c.rows,function(a){goog.array.forEach(a.cells,function(a){goog.dom.removeChildren(a);if(b){var c=b[d++];c&&goog.dom.appendChild(a,c)}})});if(d<b.length){for(var e=[],f=goog.dom.getDomHelper(a),g=c.rows[0].cells.length;d<b.length;){var h=b[d++];e.push(this.createCell(h,f));e.length==g&&(h=this.createRow(e,f),goog.dom.appendChild(c,
+h),e.length=0)}if(0<e.length){for(;e.length<g;)e.push(this.createCell("",f));h=this.createRow(e,f);goog.dom.appendChild(c,h)}}}goog.style.setUnselectable(a,!0,goog.userAgent.GECKO)}};goog.ui.PaletteRenderer.prototype.getContainingItem=function(a,b){for(var c=a.getElement();b&&b.nodeType==goog.dom.NodeType.ELEMENT&&b!=c;){if("TD"==b.tagName&&goog.dom.classlist.contains(b,this.getCssClass()+"-cell"))return b.firstChild;b=b.parentNode}return null};
 goog.ui.PaletteRenderer.prototype.highlightCell=function(a,b,c){b&&(b=this.getCellForItem(b),goog.asserts.assert(b),goog.dom.classlist.enable(b,this.getCssClass()+"-cell-hover",c),c?goog.a11y.aria.setState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT,b.id):b.id==goog.a11y.aria.getState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT)&&goog.a11y.aria.removeState(a.getElementStrict(),goog.a11y.aria.State.ACTIVEDESCENDANT))};
 goog.ui.PaletteRenderer.prototype.getCellForItem=function(a){return a?a.parentNode:null};goog.ui.PaletteRenderer.prototype.selectCell=function(a,b,c){b&&(a=b.parentNode,goog.dom.classlist.enable(a,this.getCssClass()+"-cell-selected",c),goog.a11y.aria.setState(a,goog.a11y.aria.State.SELECTED,c))};goog.ui.PaletteRenderer.prototype.getCssClass=function(){return goog.ui.PaletteRenderer.CSS_CLASS};goog.ui.SelectionModel=function(a){goog.events.EventTarget.call(this);this.items_=[];this.addItems(a)};goog.inherits(goog.ui.SelectionModel,goog.events.EventTarget);goog.tagUnsealableClass(goog.ui.SelectionModel);goog.ui.SelectionModel.prototype.selectedItem_=null;goog.ui.SelectionModel.prototype.selectionHandler_=null;goog.ui.SelectionModel.prototype.getSelectionHandler=function(){return this.selectionHandler_};
 goog.ui.SelectionModel.prototype.setSelectionHandler=function(a){this.selectionHandler_=a};goog.ui.SelectionModel.prototype.getItemCount=function(){return this.items_.length};goog.ui.SelectionModel.prototype.indexOfItem=function(a){return a?goog.array.indexOf(this.items_,a):-1};goog.ui.SelectionModel.prototype.getFirst=function(){return this.items_[0]};goog.ui.SelectionModel.prototype.getLast=function(){return this.items_[this.items_.length-1]};
@@ -714,22 +723,14 @@ goog.ui.Palette.prototype.adjustSize_=function(){var a=this.getContent();if(a)if
 goog.inherits(goog.ui.Palette.CurrentCell_,goog.ui.Control);goog.ui.Palette.CurrentCell_.prototype.tryHighlight=function(a){this.setHighlighted(a);return this.isHighlighted()==a};goog.ui.ColorPalette=function(a,b,c){this.colors_=a||[];goog.ui.Palette.call(this,null,b||goog.ui.PaletteRenderer.getInstance(),c);this.setColors(this.colors_)};goog.inherits(goog.ui.ColorPalette,goog.ui.Palette);goog.tagUnsealableClass(goog.ui.ColorPalette);goog.ui.ColorPalette.prototype.normalizedColors_=null;goog.ui.ColorPalette.prototype.labels_=null;goog.ui.ColorPalette.prototype.getColors=function(){return this.colors_};
 goog.ui.ColorPalette.prototype.setColors=function(a,b){this.colors_=a;this.labels_=b||null;this.normalizedColors_=null;this.setContent(this.createColorNodes())};goog.ui.ColorPalette.prototype.getSelectedColor=function(){var a=this.getSelectedItem();return a?(a=goog.style.getStyle(a,"background-color"),goog.ui.ColorPalette.parseColor_(a)):null};
 goog.ui.ColorPalette.prototype.setSelectedColor=function(a){a=goog.ui.ColorPalette.parseColor_(a);this.normalizedColors_||(this.normalizedColors_=goog.array.map(this.colors_,function(a){return goog.ui.ColorPalette.parseColor_(a)}));this.setSelectedIndex(a?goog.array.indexOf(this.normalizedColors_,a):-1)};
-goog.ui.ColorPalette.prototype.createColorNodes=function(){return goog.array.map(this.colors_,function(a,b){var c=this.getDomHelper().createDom(goog.dom.TagName.DIV,{"class":this.getRenderer().getCssClass()+"-colorswatch",style:"background-color:"+a});c.title=this.labels_&&this.labels_[b]?this.labels_[b]:"#"==a.charAt(0)?"RGB ("+goog.color.hexToRgb(a).join(", ")+")":a;return c},this)};goog.ui.ColorPalette.parseColor_=function(a){if(a)try{return goog.color.parse(a).hex}catch(b){}return null};goog.ui.ColorPicker=function(a,b){goog.ui.Component.call(this,a);this.colorPalette_=b||null;this.getHandler().listen(this,goog.ui.Component.EventType.ACTION,this.onColorPaletteAction_)};goog.inherits(goog.ui.ColorPicker,goog.ui.Component);goog.ui.ColorPicker.DEFAULT_NUM_COLS=5;goog.ui.ColorPicker.EventType={CHANGE:"change"};goog.ui.ColorPicker.prototype.focusable_=!0;goog.ui.ColorPicker.prototype.getColors=function(){return this.colorPalette_?this.colorPalette_.getColors():null};
+goog.ui.ColorPalette.prototype.createColorNodes=function(){return goog.array.map(this.colors_,function(a,b){var c=this.getDomHelper().createDom("DIV",{"class":this.getRenderer().getCssClass()+"-colorswatch",style:"background-color:"+a});c.title=this.labels_&&this.labels_[b]?this.labels_[b]:"#"==a.charAt(0)?"RGB ("+goog.color.hexToRgb(a).join(", ")+")":a;return c},this)};goog.ui.ColorPalette.parseColor_=function(a){if(a)try{return goog.color.parse(a).hex}catch(b){}return null};goog.ui.ColorPicker=function(a,b){goog.ui.Component.call(this,a);this.colorPalette_=b||null;this.getHandler().listen(this,goog.ui.Component.EventType.ACTION,this.onColorPaletteAction_)};goog.inherits(goog.ui.ColorPicker,goog.ui.Component);goog.ui.ColorPicker.DEFAULT_NUM_COLS=5;goog.ui.ColorPicker.EventType={CHANGE:"change"};goog.ui.ColorPicker.prototype.focusable_=!0;goog.ui.ColorPicker.prototype.getColors=function(){return this.colorPalette_?this.colorPalette_.getColors():null};
 goog.ui.ColorPicker.prototype.setColors=function(a){this.colorPalette_?this.colorPalette_.setColors(a):this.createColorPalette_(a)};goog.ui.ColorPicker.prototype.addColors=function(a){this.setColors(a)};goog.ui.ColorPicker.prototype.setSize=function(a){this.colorPalette_||this.createColorPalette_([]);this.colorPalette_.setSize(a)};goog.ui.ColorPicker.prototype.getSize=function(){return this.colorPalette_?this.colorPalette_.getSize():null};goog.ui.ColorPicker.prototype.setColumnCount=function(a){this.setSize(a)};
 goog.ui.ColorPicker.prototype.getSelectedIndex=function(){return this.colorPalette_?this.colorPalette_.getSelectedIndex():-1};goog.ui.ColorPicker.prototype.setSelectedIndex=function(a){this.colorPalette_&&this.colorPalette_.setSelectedIndex(a)};goog.ui.ColorPicker.prototype.getSelectedColor=function(){return this.colorPalette_?this.colorPalette_.getSelectedColor():null};goog.ui.ColorPicker.prototype.setSelectedColor=function(a){this.colorPalette_&&this.colorPalette_.setSelectedColor(a)};
 goog.ui.ColorPicker.prototype.isFocusable=function(){return this.focusable_};goog.ui.ColorPicker.prototype.setFocusable=function(a){this.focusable_=a;this.colorPalette_&&this.colorPalette_.setSupportedState(goog.ui.Component.State.FOCUSED,a)};goog.ui.ColorPicker.prototype.canDecorate=function(a){return!1};
 goog.ui.ColorPicker.prototype.enterDocument=function(){goog.ui.ColorPicker.superClass_.enterDocument.call(this);this.colorPalette_&&this.colorPalette_.render(this.getElement());this.getElement().unselectable="on"};goog.ui.ColorPicker.prototype.disposeInternal=function(){goog.ui.ColorPicker.superClass_.disposeInternal.call(this);this.colorPalette_&&(this.colorPalette_.dispose(),this.colorPalette_=null)};goog.ui.ColorPicker.prototype.focus=function(){this.colorPalette_&&this.colorPalette_.getElement().focus()};
 goog.ui.ColorPicker.prototype.onColorPaletteAction_=function(a){a.stopPropagation();this.dispatchEvent(goog.ui.ColorPicker.EventType.CHANGE)};goog.ui.ColorPicker.prototype.createColorPalette_=function(a){a=new goog.ui.ColorPalette(a,null,this.getDomHelper());a.setSize(goog.ui.ColorPicker.DEFAULT_NUM_COLS);a.setSupportedState(goog.ui.Component.State.FOCUSED,this.focusable_);this.addChild(a);this.colorPalette_=a;this.isInDocument()&&this.colorPalette_.render(this.getElement())};
 goog.ui.ColorPicker.createSimpleColorGrid=function(a){a=new goog.ui.ColorPicker(a);a.setSize(7);a.setColors(goog.ui.ColorPicker.SIMPLE_GRID_COLORS);return a};goog.ui.ColorPicker.SIMPLE_GRID_COLORS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");goog.events.FocusHandler=function(a){goog.events.EventTarget.call(this);this.element_=a;a=goog.userAgent.IE?"focusout":"blur";this.listenKeyIn_=goog.events.listen(this.element_,goog.userAgent.IE?"focusin":"focus",this,!goog.userAgent.IE);this.listenKeyOut_=goog.events.listen(this.element_,a,this,!goog.userAgent.IE)};goog.inherits(goog.events.FocusHandler,goog.events.EventTarget);goog.events.FocusHandler.EventType={FOCUSIN:"focusin",FOCUSOUT:"focusout"};
-goog.events.FocusHandler.prototype.handleEvent=function(a){var b=a.getBrowserEvent(),b=new goog.events.BrowserEvent(b);b.type="focusin"==a.type||"focus"==a.type?goog.events.FocusHandler.EventType.FOCUSIN:goog.events.FocusHandler.EventType.FOCUSOUT;this.dispatchEvent(b)};goog.events.FocusHandler.prototype.disposeInternal=function(){goog.events.FocusHandler.superClass_.disposeInternal.call(this);goog.events.unlistenByKey(this.listenKeyIn_);goog.events.unlistenByKey(this.listenKeyOut_);delete this.element_};goog.html.SafeScript=function(){this.privateDoNotAccessOrElseSafeScriptWrappedValue_="";this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_=goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_};goog.html.SafeScript.prototype.implementsGoogStringTypedString=!0;goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_={};goog.html.SafeScript.fromConstant=function(a){a=goog.string.Const.unwrap(a);return 0===a.length?goog.html.SafeScript.EMPTY:goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(a)};
-goog.html.SafeScript.prototype.getTypedStringValue=function(){return this.privateDoNotAccessOrElseSafeScriptWrappedValue_};goog.DEBUG&&(goog.html.SafeScript.prototype.toString=function(){return"SafeScript{"+this.privateDoNotAccessOrElseSafeScriptWrappedValue_+"}"});
-goog.html.SafeScript.unwrap=function(a){if(a instanceof goog.html.SafeScript&&a.constructor===goog.html.SafeScript&&a.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_===goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_)return a.privateDoNotAccessOrElseSafeScriptWrappedValue_;goog.asserts.fail("expected object of type SafeScript, got '"+a+"' of type "+goog.typeOf(a));return"type_error:SafeScript"};goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse=function(a){return(new goog.html.SafeScript).initSecurityPrivateDoNotAccessOrElse_(a)};
-goog.html.SafeScript.prototype.initSecurityPrivateDoNotAccessOrElse_=function(a){this.privateDoNotAccessOrElseSafeScriptWrappedValue_=a;return this};goog.html.SafeScript.EMPTY=goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse("");goog.html.uncheckedconversions={};goog.html.uncheckedconversions.safeHtmlFromStringKnownToSatisfyTypeContract=function(a,b,c){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeHtml.createSafeHtmlSecurityPrivateDoNotAccessOrElse(b,c||null)};
-goog.html.uncheckedconversions.safeScriptFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmpty(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(b)};
-goog.html.uncheckedconversions.safeStyleFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeStyle.createSafeStyleSecurityPrivateDoNotAccessOrElse(b)};
-goog.html.uncheckedconversions.safeStyleSheetFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(b)};
-goog.html.uncheckedconversions.safeUrlFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.SafeUrl.createSafeUrlSecurityPrivateDoNotAccessOrElse(b)};
-goog.html.uncheckedconversions.trustedResourceUrlFromStringKnownToSatisfyTypeContract=function(a,b){goog.asserts.assertString(goog.string.Const.unwrap(a),"must provide justification");goog.asserts.assert(!goog.string.isEmptyOrWhitespace(goog.string.Const.unwrap(a)),"must provide non-empty justification");return goog.html.TrustedResourceUrl.createTrustedResourceUrlSecurityPrivateDoNotAccessOrElse(b)};goog.structs={};goog.structs.getCount=function(a){return a.getCount&&"function"==typeof a.getCount?a.getCount():goog.isArrayLike(a)||goog.isString(a)?a.length:goog.object.getCount(a)};goog.structs.getValues=function(a){if(a.getValues&&"function"==typeof a.getValues)return a.getValues();if(goog.isString(a))return a.split("");if(goog.isArrayLike(a)){for(var b=[],c=a.length,d=0;d<c;d++)b.push(a[d]);return b}return goog.object.getValues(a)};
+goog.events.FocusHandler.prototype.handleEvent=function(a){var b=a.getBrowserEvent(),b=new goog.events.BrowserEvent(b);b.type="focusin"==a.type||"focus"==a.type?goog.events.FocusHandler.EventType.FOCUSIN:goog.events.FocusHandler.EventType.FOCUSOUT;this.dispatchEvent(b)};goog.events.FocusHandler.prototype.disposeInternal=function(){goog.events.FocusHandler.superClass_.disposeInternal.call(this);goog.events.unlistenByKey(this.listenKeyIn_);goog.events.unlistenByKey(this.listenKeyOut_);delete this.element_};goog.structs={};goog.structs.getCount=function(a){return a.getCount&&"function"==typeof a.getCount?a.getCount():goog.isArrayLike(a)||goog.isString(a)?a.length:goog.object.getCount(a)};goog.structs.getValues=function(a){if(a.getValues&&"function"==typeof a.getValues)return a.getValues();if(goog.isString(a))return a.split("");if(goog.isArrayLike(a)){for(var b=[],c=a.length,d=0;d<c;d++)b.push(a[d]);return b}return goog.object.getValues(a)};
 goog.structs.getKeys=function(a){if(a.getKeys&&"function"==typeof a.getKeys)return a.getKeys();if(!a.getValues||"function"!=typeof a.getValues){if(goog.isArrayLike(a)||goog.isString(a)){var b=[];a=a.length;for(var c=0;c<a;c++)b.push(c);return b}return goog.object.getKeys(a)}};
 goog.structs.contains=function(a,b){return a.contains&&"function"==typeof a.contains?a.contains(b):a.containsValue&&"function"==typeof a.containsValue?a.containsValue(b):goog.isArrayLike(a)||goog.isString(a)?goog.array.contains(a,b):goog.object.containsValue(a,b)};goog.structs.isEmpty=function(a){return a.isEmpty&&"function"==typeof a.isEmpty?a.isEmpty():goog.isArrayLike(a)||goog.isString(a)?goog.array.isEmpty(a):goog.object.isEmpty(a)};
 goog.structs.clear=function(a){a.clear&&"function"==typeof a.clear?a.clear():goog.isArrayLike(a)?goog.array.clear(a):goog.object.clear(a)};goog.structs.forEach=function(a,b,c){if(a.forEach&&"function"==typeof a.forEach)a.forEach(b,c);else if(goog.isArrayLike(a)||goog.isString(a))goog.array.forEach(a,b,c);else for(var d=goog.structs.getKeys(a),e=goog.structs.getValues(a),f=e.length,g=0;g<f;g++)b.call(c,e[g],d&&d[g],a)};
@@ -887,9 +888,9 @@ Blockly.Bubble.prototype.setBubbleSize=function(a,b){var c=2*Blockly.Bubble.BORD
 this.layoutBubble_(),this.positionBubble_(),this.renderArrow_());this.resizeCallback_&&this.resizeCallback_()};
 Blockly.Bubble.prototype.renderArrow_=function(){var a=[],b=this.width_/2,c=this.height_/2,d=-this.relativeLeft_,e=-this.relativeTop_;if(b==d&&c==e)a.push("M "+b+","+c);else{e-=c;d-=b;this.workspace_.RTL&&(d*=-1);var f=Math.sqrt(e*e+d*d),g=Math.acos(d/f);0>e&&(g=2*Math.PI-g);var h=g+Math.PI/2;h>2*Math.PI&&(h-=2*Math.PI);var k=Math.sin(h),m=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*m,l=c+h*k,b=b-h*m,c=c-h*k,k=g+this.arrow_radians_;k>2*Math.PI&&(k-=2*Math.PI);g=Math.sin(k)*f/Blockly.Bubble.ARROW_BEND;f=Math.cos(k)*f/Blockly.Bubble.ARROW_BEND;a.push("M"+p+","+l);a.push("C"+(p+f)+","+(l+g)+" "+d+","+e+" "+d+","+e);a.push("C"+d+","+e+" "+(b+f)+","+(c+g)+" "+b+","+c)}a.push("z");this.bubbleArrow_.setAttribute("d",a.join(" "))};Blockly.Bubble.prototype.setColour=function(a){this.bubbleBack_.setAttribute("fill",a);this.bubbleArrow_.setAttribute("fill",a)};
-Blockly.Bubble.prototype.dispose=function(){Blockly.Bubble.unbindDragEvents_();goog.dom.removeNode(this.bubbleGroup_);this.shape_=this.content_=this.workspace_=this.resizeGroup_=this.bubbleBack_=this.bubbleArrow_=this.bubbleGroup_=null};Blockly.Icon=function(a){this.block_=a};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.createSvgElement("g",{"class":"blocklyIconGroup"},null),this.drawIcon_(this.iconGroup_),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_};
-Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.isRightButton(a)||this.setVisible(!this.isVisible())};Blockly.Icon.prototype.updateColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.getColour())};
+Blockly.Bubble.prototype.dispose=function(){Blockly.Bubble.unbindDragEvents_();goog.dom.removeNode(this.bubbleGroup_);this.shape_=this.content_=this.workspace_=this.resizeGroup_=this.bubbleBack_=this.bubbleArrow_=this.bubbleGroup_=null};Blockly.Icon=function(a){this.block_=a};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;
+Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.createSvgElement("g",{"class":"blocklyIconGroup"},null),this.block_.isInFlyout&&Blockly.addClass_(this.iconGroup_,"blocklyIconGroupReadonly"),this.drawIcon_(this.iconGroup_),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(){};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.isRightButton(a)||this.setVisible(!this.isVisible())};Blockly.Icon.prototype.updateColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.getColour())};
 Blockly.Icon.prototype.renderIcon=function(a){if(this.collapseHidden&&this.block_.isCollapsed())return this.iconGroup_.setAttribute("display","none"),a;this.iconGroup_.setAttribute("display","block");var b=this.SIZE;this.block_.RTL&&(a-=b);this.iconGroup_.setAttribute("transform","translate("+a+",5)");this.computeIconLocation();return a=this.block_.RTL?a-Blockly.BlockSvg.SEP_SPACE_X:a+(b+Blockly.BlockSvg.SEP_SPACE_X)};
 Blockly.Icon.prototype.setIconLocation=function(a){this.iconXY_=a;this.isVisible()&&this.bubble_.setAnchorLocation(a)};Blockly.Icon.prototype.computeIconLocation=function(){var a=this.block_.getRelativeToSurfaceXY(),b=Blockly.getRelativeXY_(this.iconGroup_),a=new goog.math.Coordinate(a.x+b.x+this.SIZE/2,a.y+b.y+this.SIZE/2);goog.math.Coordinate.equals(this.getIconLocation(),a)||this.setIconLocation(a)};Blockly.Icon.prototype.getIconLocation=function(){return this.iconXY_};
 // Copyright 2011 Google Inc.  Apache License 2.0
@@ -923,16 +924,16 @@ Blockly.Connection.prototype.setShadowDom=function(a){this.shadowDom_=a};Blockly
 Blockly.Field.prototype.setSourceBlock=function(a){goog.asserts.assert(!this.sourceBlock_,"Field already bound to a block.");this.sourceBlock_=a};
 Blockly.Field.prototype.init=function(){this.fieldGroup_||(this.fieldGroup_=Blockly.createSvgElement("g",{},null),this.visible_||(this.fieldGroup_.style.display="none"),this.borderRect_=Blockly.createSvgElement("rect",{rx:4,ry:4,x:-Blockly.BlockSvg.SEP_SPACE_X/2,y:0,height:16},this.fieldGroup_,this.sourceBlock_.workspace),this.textElement_=Blockly.createSvgElement("text",{"class":"blocklyText",y:this.size_.height-12.5},this.fieldGroup_),this.updateEditable(),this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_),
 this.mouseUpWrapper_=Blockly.bindEvent_(this.fieldGroup_,"mouseup",this,this.onMouseUp_),this.updateTextNode_())};Blockly.Field.prototype.dispose=function(){this.mouseUpWrapper_&&(Blockly.unbindEvent_(this.mouseUpWrapper_),this.mouseUpWrapper_=null);this.sourceBlock_=null;goog.dom.removeNode(this.fieldGroup_);this.validator_=this.borderRect_=this.textElement_=this.fieldGroup_=null};
-Blockly.Field.prototype.updateEditable=function(){this.EDITABLE&&this.sourceBlock_&&(this.sourceBlock_.isEditable()?(Blockly.addClass_(this.fieldGroup_,"blocklyEditableText"),Blockly.removeClass_(this.fieldGroup_,"blocklyNoNEditableText"),this.fieldGroup_.style.cursor=this.CURSOR):(Blockly.addClass_(this.fieldGroup_,"blocklyNonEditableText"),Blockly.removeClass_(this.fieldGroup_,"blocklyEditableText"),this.fieldGroup_.style.cursor=""))};Blockly.Field.prototype.isVisible=function(){return this.visible_};
-Blockly.Field.prototype.setVisible=function(a){if(this.visible_!=a){this.visible_=a;var b=this.getSvgRoot();b&&(b.style.display=a?"block":"none",this.render_())}};Blockly.Field.prototype.setValidator=function(a){this.validator_=a};Blockly.Field.prototype.getValidator=function(){return this.validator_};
-Blockly.Field.prototype.callValidator=function(a){for(var b=[this.getValidator()],c=this.constructor;c;)b.unshift(c.classValidator),c=c.superClass_;for(c=0;c<b.length;c++){var d=b[c];if(d){d=d.call(this,a);if(null===d)return null;void 0!==d&&(a=d)}}return a};Blockly.Field.prototype.getSvgRoot=function(){return this.fieldGroup_};
+Blockly.Field.prototype.updateEditable=function(){this.EDITABLE&&this.fieldGroup_&&(this.sourceBlock_.isEditable()?(Blockly.addClass_(this.fieldGroup_,"blocklyEditableText"),Blockly.removeClass_(this.fieldGroup_,"blocklyNonEditableText"),this.fieldGroup_.style.cursor=this.CURSOR):(Blockly.addClass_(this.fieldGroup_,"blocklyNonEditableText"),Blockly.removeClass_(this.fieldGroup_,"blocklyEditableText"),this.fieldGroup_.style.cursor=""))};Blockly.Field.prototype.isVisible=function(){return this.visible_};
+Blockly.Field.prototype.setVisible=function(a){if(this.visible_!=a){this.visible_=a;var b=this.getSvgRoot();b&&(b.style.display=a?"block":"none",this.render_())}};Blockly.Field.prototype.setValidator=function(a){this.validator_=a};Blockly.Field.prototype.getValidator=function(){return this.validator_};Blockly.Field.prototype.classValidator=function(a){return a};
+Blockly.Field.prototype.callValidator=function(a){var b=this.classValidator(a);if(null===b)return null;void 0!==b&&(a=b);if(b=this.getValidator()){b=b.call(this,a);if(null===b)return null;void 0!==b&&(a=b)}return a};Blockly.Field.prototype.getSvgRoot=function(){return this.fieldGroup_};
 Blockly.Field.prototype.render_=function(){if(this.visible_&&this.textElement_){var a=this.textElement_.textContent+"\n"+this.textElement_.className.baseVal;if(Blockly.Field.cacheWidths_&&Blockly.Field.cacheWidths_[a])var b=Blockly.Field.cacheWidths_[a];else{try{b=this.textElement_.getComputedTextLength()}catch(c){b=8*this.textElement_.textContent.length}Blockly.Field.cacheWidths_&&(Blockly.Field.cacheWidths_[a]=b)}this.borderRect_&&this.borderRect_.setAttribute("width",b+Blockly.BlockSvg.SEP_SPACE_X)}else b=
 0;this.size_.width=b};Blockly.Field.startCache=function(){Blockly.Field.cacheReference_++;Blockly.Field.cacheWidths_||(Blockly.Field.cacheWidths_={})};Blockly.Field.stopCache=function(){Blockly.Field.cacheReference_--;Blockly.Field.cacheReference_||(Blockly.Field.cacheWidths_=null)};Blockly.Field.prototype.getSize=function(){this.size_.width||this.render_();return this.size_};
 Blockly.Field.prototype.getScaledBBox_=function(){var a=this.borderRect_.getBBox();return new goog.math.Size(a.width*this.sourceBlock_.workspace.scale,a.height*this.sourceBlock_.workspace.scale)};Blockly.Field.prototype.getText=function(){return this.text_};Blockly.Field.prototype.setText=function(a){null!==a&&(a=String(a),a!==this.text_&&(this.text_=a,this.updateTextNode_(),this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_())))};
 Blockly.Field.prototype.updateTextNode_=function(){if(this.textElement_){var a=this.text_;a.length>this.maxDisplayLength&&(a=a.substring(0,this.maxDisplayLength-2)+"\u2026");goog.dom.removeChildren(this.textElement_);a=a.replace(/\s/g,Blockly.Field.NBSP);this.sourceBlock_.RTL&&a&&(a+="\u200f");a||(a=Blockly.Field.NBSP);a=document.createTextNode(a);this.textElement_.appendChild(a);this.size_.width=0}};Blockly.Field.prototype.getValue=function(){return this.getText()};
 Blockly.Field.prototype.setValue=function(a){if(null!==a){var b=this.getValue();b!=a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_,"field",this.name,b,a)),this.setText(a))}};
 Blockly.Field.prototype.onMouseUp_=function(a){if(!goog.userAgent.IPHONE&&!goog.userAgent.IPAD||goog.userAgent.isVersionOrHigher("537.51.2")||0===a.layerX||0===a.layerY)Blockly.isRightButton(a)||this.sourceBlock_.workspace.isDragging()||this.sourceBlock_.isEditable()&&this.showEditor_()};Blockly.Field.prototype.setTooltip=function(a){};Blockly.Field.prototype.getAbsoluteXY_=function(){return goog.style.getPageOffset(this.borderRect_)};Blockly.Tooltip={};Blockly.Tooltip.visible=!1;Blockly.Tooltip.LIMIT=50;Blockly.Tooltip.mouseOutPid_=0;Blockly.Tooltip.showPid_=0;Blockly.Tooltip.lastX_=0;Blockly.Tooltip.lastY_=0;Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.OFFSET_X=0;Blockly.Tooltip.OFFSET_Y=10;Blockly.Tooltip.RADIUS_OK=10;Blockly.Tooltip.HOVER_MS=750;Blockly.Tooltip.MARGINS=5;Blockly.Tooltip.DIV=null;
-Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=goog.dom.createDom("div","blocklyTooltipDiv"),document.body.appendChild(Blockly.Tooltip.DIV))};Blockly.Tooltip.bindMouseEvents=function(a){Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);Blockly.bindEvent_(a,"mousemove",null,Blockly.Tooltip.onMouseMove_)};
+Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=goog.dom.createDom("DIV","blocklyTooltipDiv"),document.body.appendChild(Blockly.Tooltip.DIV))};Blockly.Tooltip.bindMouseEvents=function(a){Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);Blockly.bindEvent_(a,"mousemove",null,Blockly.Tooltip.onMouseMove_)};
 Blockly.Tooltip.onMouseOver_=function(a){for(a=a.target;!goog.isString(a.tooltip)&&!goog.isFunction(a.tooltip);)a=a.tooltip;Blockly.Tooltip.element_!=a&&(Blockly.Tooltip.hide(),Blockly.Tooltip.poisonedElement_=null,Blockly.Tooltip.element_=a);clearTimeout(Blockly.Tooltip.mouseOutPid_)};Blockly.Tooltip.onMouseOut_=function(a){Blockly.Tooltip.mouseOutPid_=setTimeout(function(){Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.hide()},1);clearTimeout(Blockly.Tooltip.showPid_)};
 Blockly.Tooltip.onMouseMove_=function(a){if(Blockly.Tooltip.element_&&Blockly.Tooltip.element_.tooltip&&Blockly.dragMode_==Blockly.DRAG_NONE&&!Blockly.WidgetDiv.isVisible())if(Blockly.Tooltip.visible){var b=Blockly.Tooltip.lastX_-a.pageX;a=Blockly.Tooltip.lastY_-a.pageY;Math.sqrt(b*b+a*a)>Blockly.Tooltip.RADIUS_OK&&Blockly.Tooltip.hide()}else Blockly.Tooltip.poisonedElement_!=Blockly.Tooltip.element_&&(clearTimeout(Blockly.Tooltip.showPid_),Blockly.Tooltip.lastX_=a.pageX,Blockly.Tooltip.lastY_=a.pageY,
 Blockly.Tooltip.showPid_=setTimeout(Blockly.Tooltip.show_,Blockly.Tooltip.HOVER_MS))};Blockly.Tooltip.hide=function(){Blockly.Tooltip.visible&&(Blockly.Tooltip.visible=!1,Blockly.Tooltip.DIV&&(Blockly.Tooltip.DIV.style.display="none"));clearTimeout(Blockly.Tooltip.showPid_)};
@@ -988,11 +989,11 @@ Blockly.Trashcan.prototype.position=function(){var a=this.workspace_.getMetrics(
 a.absoluteTop-(this.BODY_HEIGHT_+this.LID_HEIGHT_)-this.bottom_,a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM&&(this.top_-=a.flyoutHeight),this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))};
 Blockly.Trashcan.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect();return new goog.math.Rect(a.left+this.SPRITE_LEFT_-this.MARGIN_HOTSPOT_,a.top+this.SPRITE_TOP_-this.MARGIN_HOTSPOT_,this.WIDTH_+2*this.MARGIN_HOTSPOT_,this.LID_HEIGHT_+this.BODY_HEIGHT_+2*this.MARGIN_HOTSPOT_)};Blockly.Trashcan.prototype.setOpen_=function(a){this.isOpen!=a&&(goog.Timer.clear(this.lidTask_),this.isOpen=a,this.animateLid_())};
 Blockly.Trashcan.prototype.animateLid_=function(){this.lidOpen_+=this.isOpen?.2:-.2;this.lidOpen_=goog.math.clamp(this.lidOpen_,0,1);var a=45*this.lidOpen_;this.svgLid_.setAttribute("transform","rotate("+(this.workspace_.RTL?-a:a)+","+(this.workspace_.RTL?4:this.WIDTH_-4)+","+(this.LID_HEIGHT_-2)+")");a=goog.math.lerp(.4,.8,this.lidOpen_);this.svgGroup_.style.opacity=a;0<this.lidOpen_&&1>this.lidOpen_&&(this.lidTask_=goog.Timer.callOnce(this.animateLid_,20,this))};
-Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};Blockly.Trashcan.prototype.click=function(){var a=this.workspace_.startScrollX-this.workspace_.scrollX,b=this.workspace_.startScrollY-this.workspace_.scrollY;Math.sqrt(a*a+b*b)>Blockly.DRAG_RADIUS||console.log("TODO: Inspect trash.")};Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a){var b=goog.dom.createDom("xml");a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++)b.appendChild(Blockly.Xml.blockToDomWithXY(d));return b};Blockly.Xml.blockToDomWithXY=function(a){var b;a.workspace.RTL&&(b=a.workspace.getWidth());var c=Blockly.Xml.blockToDom(a),d=a.getRelativeToSurfaceXY();c.setAttribute("x",Math.round(a.workspace.RTL?b-d.x:d.x));c.setAttribute("y",Math.round(d.y));return c};
-Blockly.Xml.blockToDom=function(a){var b=goog.dom.createDom(a.isShadow()?"shadow":"block");b.setAttribute("type",a.type);b.setAttribute("id",a.id);if(a.mutationToDom){var c=a.mutationToDom();c&&(c.hasChildNodes()||c.hasAttributes())&&b.appendChild(c)}for(var c=0,d;d=a.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)if(f.name&&f.EDITABLE){var g=goog.dom.createDom("field",null,f.getValue());g.setAttribute("name",f.name);b.appendChild(g)}if(c=a.getCommentText())c=goog.dom.createDom("comment",null,
-c),"object"==typeof a.comment&&(c.setAttribute("pinned",a.comment.isVisible()),d=a.comment.getBubbleSize(),c.setAttribute("h",d.height),c.setAttribute("w",d.width)),b.appendChild(c);a.data&&(c=goog.dom.createDom("data",null,a.data),b.appendChild(c));for(c=0;d=a.inputList[c];c++){var h;f=!0;d.type!=Blockly.DUMMY_INPUT&&(g=d.connection.targetBlock(),d.type==Blockly.INPUT_VALUE?h=goog.dom.createDom("value"):d.type==Blockly.NEXT_STATEMENT&&(h=goog.dom.createDom("statement")),e=d.connection.getShadowDom(),
-!e||g&&g.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(e)),g&&(h.appendChild(Blockly.Xml.blockToDom(g)),f=!1),h.setAttribute("name",d.name),f||b.appendChild(h))}a.inputsInlineDefault!=a.inputsInline&&b.setAttribute("inline",a.inputsInline);a.isCollapsed()&&b.setAttribute("collapsed",!0);a.disabled&&b.setAttribute("disabled",!0);a.isDeletable()||a.isShadow()||b.setAttribute("deletable",!1);a.isMovable()||a.isShadow()||b.setAttribute("movable",!1);a.isEditable()||b.setAttribute("editable",!1);
-if(c=a.getNextBlock())h=goog.dom.createDom("next",null,Blockly.Xml.blockToDom(c)),b.appendChild(h);e=a.nextConnection&&a.nextConnection.getShadowDom();!e||c&&c.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(e));return b};
+Blockly.Trashcan.prototype.close=function(){this.setOpen_(!1)};Blockly.Trashcan.prototype.click=function(){var a=this.workspace_.startScrollX-this.workspace_.scrollX,b=this.workspace_.startScrollY-this.workspace_.scrollY;Math.sqrt(a*a+b*b)>Blockly.DRAG_RADIUS||console.log("TODO: Inspect trash.")};Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a){var b=goog.dom.createUntypedDom("xml");a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++)b.appendChild(Blockly.Xml.blockToDomWithXY(d));return b};Blockly.Xml.blockToDomWithXY=function(a){var b;a.workspace.RTL&&(b=a.workspace.getWidth());var c=Blockly.Xml.blockToDom(a),d=a.getRelativeToSurfaceXY();c.setAttribute("x",Math.round(a.workspace.RTL?b-d.x:d.x));c.setAttribute("y",Math.round(d.y));return c};
+Blockly.Xml.blockToDom=function(a){var b=goog.dom.createUntypedDom(a.isShadow()?"shadow":"block");b.setAttribute("type",a.type);b.setAttribute("id",a.id);if(a.mutationToDom){var c=a.mutationToDom();c&&(c.hasChildNodes()||c.hasAttributes())&&b.appendChild(c)}for(var c=0,d;d=a.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)if(f.name&&f.EDITABLE){var g=goog.dom.createUntypedDom("field",null,f.getValue());g.setAttribute("name",f.name);b.appendChild(g)}if(c=a.getCommentText())c=goog.dom.createUntypedDom("comment",
+null,c),"object"==typeof a.comment&&(c.setAttribute("pinned",a.comment.isVisible()),d=a.comment.getBubbleSize(),c.setAttribute("h",d.height),c.setAttribute("w",d.width)),b.appendChild(c);a.data&&(c=goog.dom.createUntypedDom("data",null,a.data),b.appendChild(c));for(c=0;d=a.inputList[c];c++){var h;f=!0;d.type!=Blockly.DUMMY_INPUT&&(g=d.connection.targetBlock(),d.type==Blockly.INPUT_VALUE?h=goog.dom.createUntypedDom("value"):d.type==Blockly.NEXT_STATEMENT&&(h=goog.dom.createUntypedDom("statement")),
+e=d.connection.getShadowDom(),!e||g&&g.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(e)),g&&(h.appendChild(Blockly.Xml.blockToDom(g)),f=!1),h.setAttribute("name",d.name),f||b.appendChild(h))}a.inputsInlineDefault!=a.inputsInline&&b.setAttribute("inline",a.inputsInline);a.isCollapsed()&&b.setAttribute("collapsed",!0);a.disabled&&b.setAttribute("disabled",!0);a.isDeletable()||a.isShadow()||b.setAttribute("deletable",!1);a.isMovable()||a.isShadow()||b.setAttribute("movable",!1);a.isEditable()||
+b.setAttribute("editable",!1);if(c=a.getNextBlock())h=goog.dom.createUntypedDom("next",null,Blockly.Xml.blockToDom(c)),b.appendChild(h);e=a.nextConnection&&a.nextConnection.getShadowDom();!e||c&&c.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(e));return b};
 Blockly.Xml.cloneShadow_=function(a){for(var b=a=a.cloneNode(!0),c;b;)if(b.firstChild)b=b.firstChild;else{for(;b&&!b.nextSibling;)c=b,b=b.parentNode,3==c.nodeType&&""==c.data.trim()&&b.firstChild!=c&&goog.dom.removeNode(c);b&&(c=b,b=b.nextSibling,3==c.nodeType&&""==c.data.trim()&&goog.dom.removeNode(c))}return a};Blockly.Xml.domToText=function(a){return(new XMLSerializer).serializeToString(a)};
 Blockly.Xml.domToPrettyText=function(a){a=Blockly.Xml.domToText(a).split("<");for(var b="",c=1;c<a.length;c++){var d=a[c];"/"==d[0]&&(b=b.substring(2));a[c]=b+"<"+d;"/"!=d[0]&&"/>"!=d.slice(-2)&&(b+="  ")}a=a.join("\n");a=a.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g,"$1</$2>");return a.replace(/^\n/,"")};
 Blockly.Xml.textToDom=function(a){(a=(new DOMParser).parseFromString(a,"text/xml"))&&a.firstChild&&"xml"==a.firstChild.nodeName.toLowerCase()&&a.firstChild===a.lastChild||goog.asserts.fail("Blockly.Xml.textToDom did not obtain a valid XML tree.");return a.firstChild};
@@ -1038,7 +1039,7 @@ Blockly.WorkspaceSvg.prototype.isDeleteArea=function(a){a=new goog.math.Coordina
 Blockly.WorkspaceSvg.prototype.onMouseDown_=function(a){this.markFocused();Blockly.isTargetInput_(a)||(Blockly.terminateDrag_(),Blockly.hideChaff(),a.target&&a.target.nodeName&&("svg"==a.target.nodeName.toLowerCase()||a.target==this.svgBackground_)&&Blockly.selected&&!this.options.readOnly&&Blockly.selected.unselect(),Blockly.isRightButton(a)?this.showContextMenu_(a):this.scrollbar&&(this.dragMode_=Blockly.DRAG_BEGIN,this.startDragMouseX=a.clientX,this.startDragMouseY=a.clientY,this.startDragMetrics=
 this.getMetrics(),this.startScrollX=this.scrollX,this.startScrollY=this.scrollY,"mouseup"in Blockly.bindEvent_.TOUCH_MAP&&(Blockly.onTouchUpWrapper_=Blockly.onTouchUpWrapper_||[],Blockly.onTouchUpWrapper_=Blockly.onTouchUpWrapper_.concat(Blockly.bindEvent_(document,"mouseup",null,Blockly.onMouseUp_))),Blockly.onMouseMoveWrapper_=Blockly.onMouseMoveWrapper_||[],Blockly.onMouseMoveWrapper_=Blockly.onMouseMoveWrapper_.concat(Blockly.bindEvent_(document,"mousemove",null,Blockly.onMouseMove_))),a.stopPropagation(),
 a.preventDefault())};Blockly.WorkspaceSvg.prototype.startDrag=function(a,b){var c=Blockly.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());c.x/=this.scale;c.y/=this.scale;this.dragDeltaXY_=goog.math.Coordinate.difference(b,c)};Blockly.WorkspaceSvg.prototype.moveDrag=function(a){a=Blockly.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());a.x/=this.scale;a.y/=this.scale;return goog.math.Coordinate.sum(this.dragDeltaXY_,a)};
-Blockly.WorkspaceSvg.prototype.isDragging=function(){return Blockly.dragMode_==Blockly.DRAG_FREE||this.dragMode_==Blockly.DRAG_FREE};Blockly.WorkspaceSvg.prototype.onMouseWheel_=function(a){Blockly.terminateDrag_();var b=0<a.deltaY?-1:1,c=Blockly.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());this.zoom(c.x,c.y,b);a.preventDefault()};
+Blockly.WorkspaceSvg.prototype.isDragging=function(){return Blockly.dragMode_==Blockly.DRAG_FREE||Blockly.Flyout.startFlyout_&&Blockly.Flyout.startFlyout_.dragMode_==Blockly.DRAG_FREE||this.dragMode_==Blockly.DRAG_FREE};Blockly.WorkspaceSvg.prototype.onMouseWheel_=function(a){Blockly.terminateDrag_();var b=0<a.deltaY?-1:1,c=Blockly.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());this.zoom(c.x,c.y,b);a.preventDefault()};
 Blockly.WorkspaceSvg.prototype.getBlocksBoundingBox=function(){var a=this.getTopBlocks(!1);if(!a.length)return{x:0,y:0,width:0,height:0};for(var b=a[0].getBoundingRectangle(),c=1;c<a.length;c++){var d=a[c].getBoundingRectangle();d.topLeft.x<b.topLeft.x&&(b.topLeft.x=d.topLeft.x);d.bottomRight.x>b.bottomRight.x&&(b.bottomRight.x=d.bottomRight.x);d.topLeft.y<b.topLeft.y&&(b.topLeft.y=d.topLeft.y);d.bottomRight.y>b.bottomRight.y&&(b.bottomRight.y=d.bottomRight.y)}return{x:b.topLeft.x,y:b.topLeft.y,width:b.bottomRight.x-
 b.topLeft.x,height:b.bottomRight.y-b.topLeft.y}};Blockly.WorkspaceSvg.prototype.cleanUp_=function(){Blockly.Events.setGroup(!0);for(var a=this.getTopBlocks(!0),b=0,c=0,d;d=a[c];c++){var e=d.getRelativeToSurfaceXY();d.moveBy(-e.x,b-e.y);d.snapToGrid();b=d.getRelativeToSurfaceXY().y+d.getHeightWidth().height+Blockly.BlockSvg.MIN_BLOCK_Y}Blockly.Events.setGroup(!1);Blockly.resizeSvgContents(this)};
 Blockly.WorkspaceSvg.prototype.showContextMenu_=function(a){function b(a){if(a.isDeletable())l=l.concat(a.getDescendants());else{a=a.getChildren();for(var c=0;c<a.length;c++)b(a[c])}}function c(){Blockly.Events.setGroup(f);var a=l.shift();a&&(a.workspace?(a.dispose(!1,!0),setTimeout(c,10)):c());Blockly.Events.setGroup(!1)}if(!this.options.readOnly&&!this.isFlyout){var d=[],e=this.getTopBlocks(!0),f=Blockly.genUid(),g={};g.text=Blockly.Msg.UNDO;g.enabled=0<this.undoStack_.length;g.callback=this.undo.bind(this,
@@ -1057,8 +1058,9 @@ Blockly.WorkspaceSvg.prototype.updateGridPattern_=function(){if(this.options.gri
 this.scale),d.setAttribute("x1",b),d.setAttribute("y1",a),d.setAttribute("x2",c),d.setAttribute("y2",a));e&&(e.setAttribute("stroke-width",this.scale),e.setAttribute("x1",a),e.setAttribute("y1",b),e.setAttribute("x2",a),e.setAttribute("y2",c))}};Blockly.WorkspaceSvg.prototype.setVisible=Blockly.WorkspaceSvg.prototype.setVisible;Blockly.Mutator=function(a){Blockly.Mutator.superClass_.constructor.call(this,null);this.quarkNames_=a};goog.inherits(Blockly.Mutator,Blockly.Icon);Blockly.Mutator.prototype.workspaceWidth_=0;Blockly.Mutator.prototype.workspaceHeight_=0;
 Blockly.Mutator.prototype.drawIcon_=function(a){Blockly.createSvgElement("rect",{"class":"blocklyIconShape",rx:"4",ry:"4",height:"16",width:"16"},a);Blockly.createSvgElement("path",{"class":"blocklyIconSymbol",d:"m4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 -0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z"},a);
 Blockly.createSvgElement("circle",{"class":"blocklyIconShape",r:"2.7",cx:"8",cy:"8"},a)};Blockly.Mutator.prototype.iconClick_=function(a){this.block_.isEditable()&&Blockly.Icon.prototype.iconClick_.call(this,a)};
-Blockly.Mutator.prototype.createEditor_=function(){this.svgDialog_=Blockly.createSvgElement("svg",{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);if(this.quarkNames_.length)for(var a=goog.dom.createDom("xml"),b=0,c;c=this.quarkNames_[b];b++)a.appendChild(goog.dom.createDom("block",{type:c}));else a=null;a={languageTree:a,parentWorkspace:this.block_.workspace,pathToMedia:this.block_.workspace.options.pathToMedia,RTL:this.block_.RTL,toolboxPosition:this.block_.RTL?Blockly.TOOLBOX_AT_RIGHT:
-Blockly.TOOLBOX_AT_LEFT,horizontalLayout:!1,getMetrics:this.getFlyoutMetrics_.bind(this),setMetrics:null};this.workspace_=new Blockly.WorkspaceSvg(a);this.svgDialog_.appendChild(this.workspace_.createDom("blocklyMutatorBackground"));return this.svgDialog_};Blockly.Mutator.prototype.updateEditable=function(){this.block_.isEditable()?Blockly.Icon.prototype.updateEditable.call(this):(this.setVisible(!1),this.iconGroup_&&Blockly.addClass_(this.iconGroup_,"blocklyIconGroupReadonly"))};
+Blockly.Mutator.prototype.createEditor_=function(){this.svgDialog_=Blockly.createSvgElement("svg",{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);if(this.quarkNames_.length)for(var a=goog.dom.createUntypedDom("xml"),b=0,c;c=this.quarkNames_[b];b++)a.appendChild(goog.dom.createUntypedDom("block",{type:c}));else a=null;a={languageTree:a,parentWorkspace:this.block_.workspace,pathToMedia:this.block_.workspace.options.pathToMedia,RTL:this.block_.RTL,toolboxPosition:this.block_.RTL?
+Blockly.TOOLBOX_AT_RIGHT:Blockly.TOOLBOX_AT_LEFT,horizontalLayout:!1,getMetrics:this.getFlyoutMetrics_.bind(this),setMetrics:null};this.workspace_=new Blockly.WorkspaceSvg(a);this.svgDialog_.appendChild(this.workspace_.createDom("blocklyMutatorBackground"));return this.svgDialog_};
+Blockly.Mutator.prototype.updateEditable=function(){this.block_.isInFlyout||(this.block_.isEditable()?this.iconGroup_&&Blockly.removeClass_(this.iconGroup_,"blocklyIconGroupReadonly"):(this.setVisible(!1),this.iconGroup_&&Blockly.addClass_(this.iconGroup_,"blocklyIconGroupReadonly")));Blockly.Icon.prototype.updateEditable.call(this)};
 Blockly.Mutator.prototype.resizeBubble_=function(){var a=2*Blockly.Bubble.BORDER_WIDTH,b=this.workspace_.getCanvas().getBBox(),c;c=this.block_.RTL?-b.x:b.width+b.x;b=b.height+3*a;if(this.workspace_.flyout_)var d=this.workspace_.flyout_.getMetrics_(),b=Math.max(b,d.contentHeight+20);c+=3*a;if(Math.abs(this.workspaceWidth_-c)>a||Math.abs(this.workspaceHeight_-b)>a)this.workspaceWidth_=c,this.workspaceHeight_=b,this.bubble_.setBubbleSize(c+a,b+a),this.svgDialog_.setAttribute("width",this.workspaceWidth_),
 this.svgDialog_.setAttribute("height",this.workspaceHeight_);this.block_.RTL&&(a="translate("+this.workspaceWidth_+",0)",this.workspace_.getCanvas().setAttribute("transform",a));this.workspace_.resize()};
 Blockly.Mutator.prototype.setVisible=function(a){if(a!=this.isVisible())if(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"mutatorOpen",!a,a)),a){this.bubble_=new Blockly.Bubble(this.block_.workspace,this.createEditor_(),this.block_.svgPath_,this.iconXY_,null,null);if(a=this.workspace_.options.languageTree)this.workspace_.flyout_.init(this.workspace_),this.workspace_.flyout_.show(a.childNodes);this.rootBlock_=this.block_.decompose(this.workspace_);a=this.rootBlock_.getDescendants();for(var b=
@@ -1156,7 +1158,7 @@ Blockly.BlockSvg.prototype.setDragging_=function(a){if(a){var b=this.getSvgRoot(
 Blockly.BlockSvg.prototype.onMouseMove_=function(a){if("mousemove"==a.type&&1>=a.clientX&&0==a.clientY&&0==a.button)a.stopPropagation();else{var b=this.getRelativeToSurfaceXY(),c=this.workspace.moveDrag(a);if(Blockly.dragMode_==Blockly.DRAG_STICKY&&goog.math.Coordinate.distance(b,c)*this.workspace.scale>Blockly.DRAG_RADIUS){Blockly.dragMode_=Blockly.DRAG_FREE;Blockly.longStop_();if(this.parentBlock_){this.unplug();var d=this.getSvgRoot();d.translate_="translate("+c.x+","+c.y+")";this.disconnectUiEffect()}this.setDragging_(!0)}if(Blockly.dragMode_==
 Blockly.DRAG_FREE){b=goog.math.Coordinate.difference(b,this.dragStartXY_);d=this.getSvgRoot();d.translate_="translate("+c.x+","+c.y+")";d.setAttribute("transform",d.translate_+d.skew_);for(c=0;c<this.draggedBubbles_.length;c++)d=this.draggedBubbles_[c],d.bubble.setIconLocation(goog.math.Coordinate.sum(d,b));d=this.getConnections_(!1);(c=this.lastConnectionInStack_())&&c!=this.nextConnection&&d.push(c);for(var e=null,f=null,g=Blockly.SNAP_RADIUS,c=0;c<d.length;c++){var h=d[c],k=h.closest(g,b);k.connection&&
 (e=k.connection,f=h,g=k.radius)}Blockly.highlightedConnection_&&Blockly.highlightedConnection_!=e&&(Blockly.highlightedConnection_.unhighlight(),Blockly.highlightedConnection_=null,Blockly.localConnection_=null);e&&e!=Blockly.highlightedConnection_&&(e.highlight(),Blockly.highlightedConnection_=e,Blockly.localConnection_=f);this.isDeletable()&&this.workspace.isDeleteArea(a)}a.stopPropagation();a.preventDefault()}};
-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){a=this.getIcons();for(var b=0;b<a.length;b++)a[b].updateEditable()}};
+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);a=this.getIcons();for(var b=0;b<a.length;b++)a[b].updateEditable()};
 Blockly.BlockSvg.prototype.setShadow=function(a){Blockly.BlockSvg.superClass_.setShadow.call(this,a);this.updateColour()};Blockly.BlockSvg.prototype.getSvgRoot=function(){return this.svgGroup_};
 Blockly.BlockSvg.prototype.dispose=function(a,b){Blockly.Tooltip.hide();Blockly.Field.startCache();var c=this.workspace;Blockly.selected==this&&(this.unselect(),Blockly.terminateDrag_());Blockly.ContextMenu.currentBlock==this&&Blockly.ContextMenu.hide();b&&this.rendered&&(this.unplug(a),this.disposeUiEffect());this.rendered=!1;Blockly.Events.disable();try{for(var d=this.getIcons(),e=0;e<d.length;e++)d[e].dispose()}finally{Blockly.Events.enable()}Blockly.BlockSvg.superClass_.dispose.call(this,a);goog.dom.removeNode(this.svgGroup_);
 Blockly.resizeSvgContents(c);this.svgPathDark_=this.svgPathLight_=this.svgPath_=this.svgGroup_=null;Blockly.Field.stopCache()};
@@ -1221,13 +1223,13 @@ Blockly.Events.fromJson=function(a,b){var c;switch(a.type){case Blockly.Events.C
 Blockly.Events.Abstract=function(a){a&&(this.blockId=a.id,this.workspaceId=a.workspace.id);this.group=Blockly.Events.group_;this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.blockId&&(a.blockId=this.blockId);this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.blockId=a.blockId;this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};
 Blockly.Events.Abstract.prototype.run=function(a){};Blockly.Events.Create=function(a){a&&(Blockly.Events.Create.superClass_.constructor.call(this,a),this.xml=Blockly.Xml.blockToDomWithXY(a),this.ids=Blockly.Events.getDescendantIds_(a))};goog.inherits(Blockly.Events.Create,Blockly.Events.Abstract);Blockly.Events.Create.prototype.type=Blockly.Events.CREATE;
 Blockly.Events.Create.prototype.toJson=function(){var a=Blockly.Events.Create.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);a.ids=this.ids;return a};Blockly.Events.Create.prototype.fromJson=function(a){Blockly.Events.Create.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom("<xml>"+a.xml+"</xml>").firstChild;this.ids=a.ids};
-Blockly.Events.Create.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId);if(a)a=goog.dom.createDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't uncreate non-existant block: "+c)}}};
+Blockly.Events.Create.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId);if(a)a=goog.dom.createUntypedDom("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't uncreate non-existant block: "+c)}}};
 Blockly.Events.Delete=function(a){if(a){if(a.getParent())throw"Connected blocks cannot be deleted.";Blockly.Events.Delete.superClass_.constructor.call(this,a);this.oldXml=Blockly.Xml.blockToDomWithXY(a);this.ids=Blockly.Events.getDescendantIds_(a)}};goog.inherits(Blockly.Events.Delete,Blockly.Events.Abstract);Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;Blockly.Events.Delete.prototype.toJson=function(){var a=Blockly.Events.Delete.superClass_.toJson.call(this);a.ids=this.ids;return a};
-Blockly.Events.Delete.prototype.fromJson=function(a){Blockly.Events.Delete.superClass_.fromJson.call(this,a);this.ids=a.ids};Blockly.Events.Delete.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId);if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't delete non-existant block: "+c)}}else a=goog.dom.createDom("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
+Blockly.Events.Delete.prototype.fromJson=function(a){Blockly.Events.Delete.superClass_.fromJson.call(this,a);this.ids=a.ids};Blockly.Events.Delete.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId);if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't delete non-existant block: "+c)}}else a=goog.dom.createUntypedDom("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
 Blockly.Events.Change=function(a,b,c,d,e){a&&(Blockly.Events.Change.superClass_.constructor.call(this,a),this.element=b,this.name=c,this.oldValue=d,this.newValue=e)};goog.inherits(Blockly.Events.Change,Blockly.Events.Abstract);Blockly.Events.Change.prototype.type=Blockly.Events.CHANGE;Blockly.Events.Change.prototype.toJson=function(){var a=Blockly.Events.Change.superClass_.toJson.call(this);a.element=this.element;this.name&&(a.name=this.name);a.newValue=this.newValue;return a};
 Blockly.Events.Change.prototype.fromJson=function(a){Blockly.Events.Change.superClass_.fromJson.call(this,a);this.element=a.element;this.name=a.name;this.newValue=a.newValue};Blockly.Events.Change.prototype.isNull=function(){return this.oldValue==this.newValue};
-Blockly.Events.Change.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId);if(b)switch(b.mutator&&b.mutator.setVisible(!1),a=a?this.newValue:this.oldValue,this.element){case "field":if(b=b.getField(this.name)){var c=b.getValidator();c&&c.call(b,a);b.setValue(a)}else console.warn("Can't set non-existant field: "+this.name);break;case "comment":b.setCommentText(a||null);break;case "collapsed":b.setCollapsed(a);break;case "disabled":b.setDisabled(a);
-break;case "inline":b.setInputsInline(a);break;case "mutation":c="";b.mutationToDom&&(c=(c=b.mutationToDom())&&Blockly.Xml.domToText(c));if(b.domToMutation){a=a||"<mutation></mutation>";var d=Blockly.Xml.textToDom("<xml>"+a+"</xml>");b.domToMutation(d.firstChild)}Blockly.Events.fire(new Blockly.Events.Change(b,"mutation",null,c,a));break;default:console.warn("Unknown change type: "+this.element)}else console.warn("Can't change non-existant block: "+this.blockId)};
+Blockly.Events.Change.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId);if(b)switch(b.mutator&&b.mutator.setVisible(!1),a=a?this.newValue:this.oldValue,this.element){case "field":(b=b.getField(this.name))?(b.callValidator(a),b.setValue(a)):console.warn("Can't set non-existant field: "+this.name);break;case "comment":b.setCommentText(a||null);break;case "collapsed":b.setCollapsed(a);break;case "disabled":b.setDisabled(a);break;case "inline":b.setInputsInline(a);
+break;case "mutation":var c="";b.mutationToDom&&(c=(c=b.mutationToDom())&&Blockly.Xml.domToText(c));if(b.domToMutation){a=a||"<mutation></mutation>";var d=Blockly.Xml.textToDom("<xml>"+a+"</xml>");b.domToMutation(d.firstChild)}Blockly.Events.fire(new Blockly.Events.Change(b,"mutation",null,c,a));break;default:console.warn("Unknown change type: "+this.element)}else console.warn("Can't change non-existant block: "+this.blockId)};
 Blockly.Events.Move=function(a){a&&(Blockly.Events.Move.superClass_.constructor.call(this,a),a=this.currentLocation_(),this.oldParentId=a.parentId,this.oldInputName=a.inputName,this.oldCoordinate=a.coordinate)};goog.inherits(Blockly.Events.Move,Blockly.Events.Abstract);Blockly.Events.Move.prototype.type=Blockly.Events.MOVE;
 Blockly.Events.Move.prototype.toJson=function(){var a=Blockly.Events.Move.superClass_.toJson.call(this);this.newParentId&&(a.newParentId=this.newParentId);this.newInputName&&(a.newInputName=this.newInputName);this.newCoordinate&&(a.newCoordinate=Math.round(this.newCoordinate.x)+","+Math.round(this.newCoordinate.y));return a};
 Blockly.Events.Move.prototype.fromJson=function(a){Blockly.Events.Move.superClass_.fromJson.call(this,a);this.newParentId=a.newParentId;this.newInputName=a.newInputName;a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate=new goog.math.Coordinate(parseFloat(a[0]),parseFloat(a[1])))};Blockly.Events.Move.prototype.recordNew=function(){var a=this.currentLocation_();this.newParentId=a.parentId;this.newInputName=a.inputName;this.newCoordinate=a.coordinate};
@@ -1235,9 +1237,9 @@ Blockly.Events.Move.prototype.currentLocation_=function(){var a=Blockly.Workspac
 Blockly.Events.Move.prototype.run=function(a){var b=Blockly.Workspace.getById(this.workspaceId),c=b.getBlockById(this.blockId);if(c){var d=a?this.newParentId:this.oldParentId,e=a?this.newInputName:this.oldInputName;a=a?this.newCoordinate:this.oldCoordinate;var f=null;if(d&&(f=b.getBlockById(d),!f)){console.warn("Can't connect to non-existant block: "+d);return}c.getParent()&&c.unplug();if(a)e=c.getRelativeToSurfaceXY(),c.moveBy(a.x-e.x,a.y-e.y);else{var c=c.outputConnection||c.previousConnection,
 g;if(e){if(b=f.getInput(e))g=b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existant input: "+e)}}else console.warn("Can't move non-existant block: "+this.blockId)};Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this,a);this.element=b;this.oldValue=c;this.newValue=d;this.recordUndo=!1};goog.inherits(Blockly.Events.Ui,Blockly.Events.Abstract);Blockly.Events.Ui.prototype.type=Blockly.Events.UI;
 Blockly.Events.Ui.prototype.toJson=function(){var a=Blockly.Events.Ui.superClass_.toJson.call(this);a.element=this.element;void 0!==this.newValue&&(a.newValue=this.newValue);return a};Blockly.Events.Ui.prototype.fromJson=function(a){Blockly.Events.Ui.superClass_.fromJson.call(this,a);this.element=a.element;this.newValue=a.newValue};
-Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){Blockly.Events.disable();if(a=Blockly.Workspace.getById(a.workspaceId).getBlockById(a.blockId))if(a.getParent()&&!a.getParent().disabled){do a.setDisabled(!1),a=a.getNextBlock();while(a)}else if((a.outputConnection||a.previousConnection)&&Blockly.dragMode_==Blockly.DRAG_NONE){do a.setDisabled(!0),a=a.getNextBlock();while(a)}Blockly.Events.enable()}};Blockly.Msg={};goog.getMsgOrig=goog.getMsg;goog.getMsg=function(a,b){var c=goog.getMsg.blocklyMsgMap[a];c&&(a=Blockly.Msg[c]);return goog.getMsgOrig(a,b)};goog.getMsg.blocklyMsgMap={Today:"TODAY"};Blockly.FieldTextInput=function(a,b){Blockly.FieldTextInput.superClass_.constructor.call(this,a,b)};goog.inherits(Blockly.FieldTextInput,Blockly.Field);Blockly.FieldTextInput.FONTSIZE=11;Blockly.FieldTextInput.prototype.CURSOR="text";Blockly.FieldTextInput.prototype.spellcheck_=!0;Blockly.FieldTextInput.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldTextInput.superClass_.dispose.call(this)};
+Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){Blockly.Events.disable();if(a=Blockly.Workspace.getById(a.workspaceId).getBlockById(a.blockId))if(a.getParent()&&!a.getParent().disabled){a=a.getDescendants();for(var b=0,c;c=a[b];b++)c.setDisabled(!1)}else if((a.outputConnection||a.previousConnection)&&Blockly.dragMode_==Blockly.DRAG_NONE){do a.setDisabled(!0),a=a.getNextBlock();while(a)}Blockly.Events.enable()}};Blockly.Msg={};goog.getMsgOrig=goog.getMsg;goog.getMsg=function(a,b){var c=goog.getMsg.blocklyMsgMap[a];c&&(a=Blockly.Msg[c]);return goog.getMsgOrig(a,b)};goog.getMsg.blocklyMsgMap={Today:"TODAY"};Blockly.FieldTextInput=function(a,b){Blockly.FieldTextInput.superClass_.constructor.call(this,a,b)};goog.inherits(Blockly.FieldTextInput,Blockly.Field);Blockly.FieldTextInput.FONTSIZE=11;Blockly.FieldTextInput.prototype.CURSOR="text";Blockly.FieldTextInput.prototype.spellcheck_=!0;Blockly.FieldTextInput.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldTextInput.superClass_.dispose.call(this)};
 Blockly.FieldTextInput.prototype.setValue=function(a){if(null!==a){if(this.sourceBlock_){var b=this.callValidator(a);null!==b&&(a=b)}Blockly.Field.prototype.setValue.call(this,a)}};Blockly.FieldTextInput.prototype.setSpellcheck=function(a){this.spellcheck_=a};
-Blockly.FieldTextInput.prototype.showEditor_=function(a){this.workspace_=this.sourceBlock_.workspace;a=a||!1;if(!a&&(goog.userAgent.MOBILE||goog.userAgent.ANDROID||goog.userAgent.IPAD))a=window.prompt(Blockly.Msg.CHANGE_VALUE_TITLE,this.text_),this.sourceBlock_&&(a=this.callValidator(a)),this.setValue(a);else{Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_());var b=Blockly.WidgetDiv.DIV,c=goog.dom.createDom("input","blocklyHtmlInput");c.setAttribute("spellcheck",this.spellcheck_);
+Blockly.FieldTextInput.prototype.showEditor_=function(a){this.workspace_=this.sourceBlock_.workspace;a=a||!1;if(!a&&(goog.userAgent.MOBILE||goog.userAgent.ANDROID||goog.userAgent.IPAD))a=window.prompt(Blockly.Msg.CHANGE_VALUE_TITLE,this.text_),this.sourceBlock_&&(a=this.callValidator(a)),this.setValue(a);else{Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_());var b=Blockly.WidgetDiv.DIV,c=goog.dom.createDom("INPUT","blocklyHtmlInput");c.setAttribute("spellcheck",this.spellcheck_);
 var d=Blockly.FieldTextInput.FONTSIZE*this.workspace_.scale+"pt";b.style.fontSize=d;c.style.fontSize=d;Blockly.FieldTextInput.htmlInput_=c;b.appendChild(c);c.value=c.defaultValue=this.text_;c.oldValue_=null;this.validate_();this.resizeEditor_();a||(c.focus(),c.select());c.onKeyDownWrapper_=Blockly.bindEvent_(c,"keydown",this,this.onHtmlInputKeyDown_);c.onKeyUpWrapper_=Blockly.bindEvent_(c,"keyup",this,this.onHtmlInputChange_);c.onKeyPressWrapper_=Blockly.bindEvent_(c,"keypress",this,this.onHtmlInputChange_);
 c.onWorkspaceChangeWrapper_=this.resizeEditor_.bind(this);this.workspace_.addChangeListener(c.onWorkspaceChangeWrapper_)}};Blockly.FieldTextInput.prototype.onHtmlInputKeyDown_=function(a){var b=Blockly.FieldTextInput.htmlInput_;13==a.keyCode?Blockly.WidgetDiv.hide():27==a.keyCode?(b.value=b.defaultValue,Blockly.WidgetDiv.hide()):9==a.keyCode&&(Blockly.WidgetDiv.hide(),this.sourceBlock_.tab(this,!a.shiftKey),a.preventDefault())};
 Blockly.FieldTextInput.prototype.onHtmlInputChange_=function(a){a=Blockly.FieldTextInput.htmlInput_;var b=a.value;b!==a.oldValue_?(a.oldValue_=b,this.setValue(b),this.validate_()):goog.userAgent.WEBKIT&&this.sourceBlock_.render();this.resizeEditor_();Blockly.svgResize(this.sourceBlock_.workspace)};
@@ -1249,11 +1251,11 @@ Blockly.FieldAngle.prototype.dispose_=function(){var a=this;return function(){Bl
 Blockly.FieldAngle.prototype.showEditor_=function(){Blockly.FieldAngle.superClass_.showEditor_.call(this,goog.userAgent.MOBILE||goog.userAgent.ANDROID||goog.userAgent.IPAD);var a=Blockly.WidgetDiv.DIV;if(a.firstChild){var a=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",height:2*Blockly.FieldAngle.HALF+"px",width:2*Blockly.FieldAngle.HALF+"px"},a),b=Blockly.createSvgElement("circle",
 {cx:Blockly.FieldAngle.HALF,cy:Blockly.FieldAngle.HALF,r:Blockly.FieldAngle.RADIUS,"class":"blocklyAngleCircle"},a);this.gauge_=Blockly.createSvgElement("path",{"class":"blocklyAngleGauge"},a);this.line_=Blockly.createSvgElement("line",{x1:Blockly.FieldAngle.HALF,y1:Blockly.FieldAngle.HALF,"class":"blocklyAngleLine"},a);for(var c=0;360>c;c+=15)Blockly.createSvgElement("line",{x1:Blockly.FieldAngle.HALF+Blockly.FieldAngle.RADIUS,y1:Blockly.FieldAngle.HALF,x2:Blockly.FieldAngle.HALF+Blockly.FieldAngle.RADIUS-
 (0==c%45?10:5),y2:Blockly.FieldAngle.HALF,"class":"blocklyAngleMarks",transform:"rotate("+c+","+Blockly.FieldAngle.HALF+","+Blockly.FieldAngle.HALF+")"},a);a.style.marginLeft=15-Blockly.FieldAngle.RADIUS+"px";this.clickWrapper_=Blockly.bindEvent_(a,"click",this,Blockly.WidgetDiv.hide);this.moveWrapper1_=Blockly.bindEvent_(b,"mousemove",this,this.onMouseMove);this.moveWrapper2_=Blockly.bindEvent_(this.gauge_,"mousemove",this,this.onMouseMove);this.updateGraph_()}};
-Blockly.FieldAngle.prototype.onMouseMove=function(a){var b=this.gauge_.ownerSVGElement.getBoundingClientRect(),c=a.clientX-b.left-Blockly.FieldAngle.HALF;a=a.clientY-b.top-Blockly.FieldAngle.HALF;b=Math.atan(-a/c);isNaN(b)||(b=goog.math.toDegrees(b),0>c?b+=180:0<a&&(b+=360),b=Blockly.FieldAngle.CLOCKWISE?Blockly.FieldAngle.OFFSET+360-b:b-Blockly.FieldAngle.OFFSET,Blockly.FieldAngle.ROUND&&(b=Math.round(b/Blockly.FieldAngle.ROUND)*Blockly.FieldAngle.ROUND),b=Blockly.FieldAngle.angleValidator(b),Blockly.FieldTextInput.htmlInput_.value=
+Blockly.FieldAngle.prototype.onMouseMove=function(a){var b=this.gauge_.ownerSVGElement.getBoundingClientRect(),c=a.clientX-b.left-Blockly.FieldAngle.HALF;a=a.clientY-b.top-Blockly.FieldAngle.HALF;b=Math.atan(-a/c);isNaN(b)||(b=goog.math.toDegrees(b),0>c?b+=180:0<a&&(b+=360),b=Blockly.FieldAngle.CLOCKWISE?Blockly.FieldAngle.OFFSET+360-b:b-Blockly.FieldAngle.OFFSET,Blockly.FieldAngle.ROUND&&(b=Math.round(b/Blockly.FieldAngle.ROUND)*Blockly.FieldAngle.ROUND),b=this.callValidator(b),Blockly.FieldTextInput.htmlInput_.value=
 b,this.setValue(b),this.validate_(),this.resizeEditor_())};Blockly.FieldAngle.prototype.setText=function(a){Blockly.FieldAngle.superClass_.setText.call(this,a);this.textElement_&&(this.updateGraph_(),this.sourceBlock_.RTL?this.textElement_.insertBefore(this.symbol_,this.textElement_.firstChild):this.textElement_.appendChild(this.symbol_),this.size_.width=0)};
 Blockly.FieldAngle.prototype.updateGraph_=function(){if(this.gauge_){var a=Number(this.getText())+Blockly.FieldAngle.OFFSET,b=goog.math.toRadians(a),a=["M ",Blockly.FieldAngle.HALF,",",Blockly.FieldAngle.HALF],c=Blockly.FieldAngle.HALF,d=Blockly.FieldAngle.HALF;if(!isNaN(b)){var e=goog.math.toRadians(Blockly.FieldAngle.OFFSET),f=Math.cos(e)*Blockly.FieldAngle.RADIUS,g=Math.sin(e)*-Blockly.FieldAngle.RADIUS;Blockly.FieldAngle.CLOCKWISE&&(b=2*e-b);c+=Math.cos(b)*Blockly.FieldAngle.RADIUS;d-=Math.sin(b)*
 Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-e)/Math.PI)%2);Blockly.FieldAngle.CLOCKWISE&&(b=1-b);a.push(" l ",f,",",g," A ",Blockly.FieldAngle.RADIUS,",",Blockly.FieldAngle.RADIUS," 0 ",b," ",Number(Blockly.FieldAngle.CLOCKWISE)," ",c,",",d," z")}this.gauge_.setAttribute("d",a.join(""));this.line_.setAttribute("x2",c);this.line_.setAttribute("y2",d)}};
-Blockly.FieldAngle.classValidator=function(a){if(null===a)return null;a=parseFloat(a||0);if(isNaN(a))return null;a%=360;0>a&&(a+=360);a>Blockly.FieldAngle.WRAP&&(a-=360);return String(a)};Blockly.FieldCheckbox=function(a,b){Blockly.FieldCheckbox.superClass_.constructor.call(this,"",b);this.setValue(a)};goog.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.prototype.CURSOR="default";
+Blockly.FieldAngle.prototype.classValidator=function(a){if(null===a)return null;a=parseFloat(a||0);if(isNaN(a))return null;a%=360;0>a&&(a+=360);a>Blockly.FieldAngle.WRAP&&(a-=360);return String(a)};Blockly.FieldCheckbox=function(a,b){Blockly.FieldCheckbox.superClass_.constructor.call(this,"",b);this.setValue(a)};goog.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.prototype.CURSOR="default";
 Blockly.FieldCheckbox.prototype.init=function(){if(!this.fieldGroup_){Blockly.FieldCheckbox.superClass_.init.call(this);this.checkElement_=Blockly.createSvgElement("text",{"class":"blocklyText blocklyCheckbox",x:-3,y:14},this.fieldGroup_);var a=document.createTextNode(Blockly.FieldCheckbox.CHECK_CHAR);this.checkElement_.appendChild(a);this.checkElement_.style.display=this.state_?"block":"none"}};Blockly.FieldCheckbox.prototype.getValue=function(){return String(this.state_).toUpperCase()};
 Blockly.FieldCheckbox.prototype.setValue=function(a){a="TRUE"==a;this.state_!==a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_,"field",this.name,this.state_,a)),this.state_=a,this.checkElement_&&(this.checkElement_.style.display=a?"block":"none"))};Blockly.FieldCheckbox.prototype.showEditor_=function(){var a=!this.state_;this.sourceBlock_&&(a=this.callValidator(a));null!==a&&this.setValue(String(a).toUpperCase())};Blockly.FieldColour=function(a,b){Blockly.FieldColour.superClass_.constructor.call(this,a,b);this.setText(Blockly.Field.NBSP+Blockly.Field.NBSP+Blockly.Field.NBSP)};goog.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.columns_=0;Blockly.FieldColour.prototype.init=function(){Blockly.FieldColour.superClass_.init.call(this);this.borderRect_.style.fillOpacity=1;this.setValue(this.getValue())};Blockly.FieldColour.prototype.CURSOR="default";
 Blockly.FieldColour.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldColour.superClass_.dispose.call(this)};Blockly.FieldColour.prototype.getValue=function(){return this.colour_};Blockly.FieldColour.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&this.colour_!=a&&Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_,"field",this.name,this.colour_,a));this.colour_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};
@@ -1272,15 +1274,15 @@ Blockly.FieldDropdown.prototype.setText=function(a){this.sourceBlock_&&this.arro
 Blockly.FieldDropdown.prototype.dispose=function(){Blockly.WidgetDiv.hideIfOwner(this);Blockly.FieldDropdown.superClass_.dispose.call(this)};Blockly.FieldImage=function(a,b,c,d){this.sourceBlock_=null;this.height_=Number(c);this.width_=Number(b);this.size_=new goog.math.Size(this.width_,this.height_+2*Blockly.BlockSvg.INLINE_PADDING_Y);this.text_=d||"";this.setValue(a)};goog.inherits(Blockly.FieldImage,Blockly.Field);Blockly.FieldImage.prototype.rectElement_=null;Blockly.FieldImage.prototype.EDITABLE=!1;
 Blockly.FieldImage.prototype.init=function(){if(!this.fieldGroup_){this.fieldGroup_=Blockly.createSvgElement("g",{},null);this.visible_||(this.fieldGroup_.style.display="none");this.imageElement_=Blockly.createSvgElement("image",{height:this.height_+"px",width:this.width_+"px"},this.fieldGroup_);this.setValue(this.src_);goog.userAgent.GECKO&&(this.rectElement_=Blockly.createSvgElement("rect",{height:this.height_+"px",width:this.width_+"px","fill-opacity":0},this.fieldGroup_));this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_);
 var a=this.rectElement_||this.imageElement_;a.tooltip=this.sourceBlock_;Blockly.Tooltip.bindMouseEvents(a)}};Blockly.FieldImage.prototype.dispose=function(){goog.dom.removeNode(this.fieldGroup_);this.rectElement_=this.imageElement_=this.fieldGroup_=null};Blockly.FieldImage.prototype.setTooltip=function(a){(this.rectElement_||this.imageElement_).tooltip=a};Blockly.FieldImage.prototype.getValue=function(){return this.src_};
-Blockly.FieldImage.prototype.setValue=function(a){null!==a&&(this.src_=a,this.imageElement_&&this.imageElement_.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",goog.isString(a)?a:""))};Blockly.FieldImage.prototype.setText=function(a){null!==a&&(this.text_=a)};Blockly.FieldImage.prototype.render_=function(){};Blockly.FieldNumber=function(a,b,c,d,e){a=String(a);Blockly.FieldNumber.superClass_.constructor.call(this,a,e);this.setConstraints(b,c,d)};goog.inherits(Blockly.FieldNumber,Blockly.FieldTextInput);Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){c=parseFloat(c);this.precision_=isNaN(c)?0:c;a=parseFloat(a);this.min_=isNaN(a)?-Infinity:a;b=parseFloat(b);this.max_=isNaN(b)?Infinity:b;this.setValue(this.callValidator(this.getValue))};
-Blockly.FieldNumber.classValidator=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=parseFloat(a||0);if(isNaN(a))return null;this.precision_&&Number.isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);a=goog.math.clamp(a,this.min_,this.max_);return String(a)};Blockly.Variables={};Blockly.Variables.NAME_TYPE="VARIABLE";Blockly.Variables.allVariables=function(a){var b;if(a.getDescendants)b=a.getDescendants();else if(a.getAllBlocks)b=a.getAllBlocks();else throw"Not Block or Workspace: "+a;a=Object.create(null);for(var c=0;c<b.length;c++)for(var d=b[c].getVars(),e=0;e<d.length;e++){var f=d[e];f&&(a[f.toLowerCase()]=f)}b=[];for(var g in a)b.push(a[g]);return b};
+Blockly.FieldImage.prototype.setValue=function(a){null!==a&&(this.src_=a,this.imageElement_&&this.imageElement_.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href",goog.isString(a)?a:""))};Blockly.FieldImage.prototype.setText=function(a){null!==a&&(this.text_=a)};Blockly.FieldImage.prototype.render_=function(){};Blockly.FieldNumber=function(a,b,c,d,e){a=String(a);Blockly.FieldNumber.superClass_.constructor.call(this,a,e);this.setConstraints(b,c,d)};goog.inherits(Blockly.FieldNumber,Blockly.FieldTextInput);Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){c=parseFloat(c);this.precision_=isNaN(c)?0:c;a=parseFloat(a);this.min_=isNaN(a)?-Infinity:a;b=parseFloat(b);this.max_=isNaN(b)?Infinity:b;this.setValue(this.callValidator(this.getValue()))};
+Blockly.FieldNumber.prototype.classValidator=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=parseFloat(a||0);if(isNaN(a))return null;this.precision_&&Number.isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);a=goog.math.clamp(a,this.min_,this.max_);return String(a)};Blockly.Variables={};Blockly.Variables.NAME_TYPE="VARIABLE";Blockly.Variables.allVariables=function(a){var b;if(a.getDescendants)b=a.getDescendants();else if(a.getAllBlocks)b=a.getAllBlocks();else throw"Not Block or Workspace: "+a;a=Object.create(null);for(var c=0;c<b.length;c++)for(var d=b[c].getVars(),e=0;e<d.length;e++){var f=d[e];f&&(a[f.toLowerCase()]=f)}b=[];for(var g in a)b.push(a[g]);return b};
 Blockly.Variables.renameVariable=function(a,b,c){Blockly.Events.setGroup(!0);c=c.getAllBlocks();for(var d=0;d<c.length;d++)c[d].renameVar(a,b);Blockly.Events.setGroup(!1)};
-Blockly.Variables.flyoutCategory=function(a){a=Blockly.Variables.allVariables(a);a.sort(goog.string.caseInsensitiveCompare);goog.array.remove(a,Blockly.Msg.VARIABLES_DEFAULT_NAME);a.unshift(Blockly.Msg.VARIABLES_DEFAULT_NAME);for(var b=[],c=0;c<a.length;c++){if(Blockly.Blocks.variables_set){var d=goog.dom.createDom("block");d.setAttribute("type","variables_set");Blockly.Blocks.variables_get&&d.setAttribute("gap",8);var e=goog.dom.createDom("field",null,a[c]);e.setAttribute("name","VAR");d.appendChild(e);
-b.push(d)}Blockly.Blocks.variables_get&&(d=goog.dom.createDom("block"),d.setAttribute("type","variables_get"),Blockly.Blocks.variables_set&&d.setAttribute("gap",24),e=goog.dom.createDom("field",null,a[c]),e.setAttribute("name","VAR"),d.appendChild(e),b.push(d))}return b};
+Blockly.Variables.flyoutCategory=function(a){a=Blockly.Variables.allVariables(a);a.sort(goog.string.caseInsensitiveCompare);goog.array.remove(a,Blockly.Msg.VARIABLES_DEFAULT_NAME);a.unshift(Blockly.Msg.VARIABLES_DEFAULT_NAME);for(var b=[],c=0;c<a.length;c++){if(Blockly.Blocks.variables_set){var d=goog.dom.createUntypedDom("block");d.setAttribute("type","variables_set");Blockly.Blocks.variables_get&&d.setAttribute("gap",8);var e=goog.dom.createUntypedDom("field",null,a[c]);e.setAttribute("name","VAR");
+d.appendChild(e);b.push(d)}Blockly.Blocks.variables_get&&(d=goog.dom.createUntypedDom("block"),d.setAttribute("type","variables_get"),Blockly.Blocks.variables_set&&d.setAttribute("gap",24),e=goog.dom.createUntypedDom("field",null,a[c]),e.setAttribute("name","VAR"),d.appendChild(e),b.push(d))}return b};
 Blockly.Variables.generateUniqueName=function(a){a=Blockly.Variables.allVariables(a);var b="";if(a.length)for(var c=1,d=0,e="ijkmnopqrstuvwxyzabcdefgh".charAt(d);!b;){for(var f=!1,g=0;g<a.length;g++)if(a[g].toLowerCase()==e){f=!0;break}f?(d++,25==d&&(d=0,c++),e="ijkmnopqrstuvwxyzabcdefgh".charAt(d),1<c&&(e+=c)):b=e}else b="i";return b};Blockly.FieldVariable=function(a,b){Blockly.FieldVariable.superClass_.constructor.call(this,Blockly.FieldVariable.dropdownCreate,b);this.setValue(a||"")};goog.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.prototype.init=function(){this.fieldGroup_||(Blockly.FieldVariable.superClass_.init.call(this),this.getValue()||this.setValue(Blockly.Variables.generateUniqueName(this.sourceBlock_.isInFlyout?this.sourceBlock_.workspace.targetWorkspace:this.sourceBlock_.workspace)))};
 Blockly.FieldVariable.prototype.getValue=function(){return this.getText()};Blockly.FieldVariable.prototype.setValue=function(a){this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.Change(this.sourceBlock_,"field",this.name,this.value_,a));this.value_=a;this.setText(a)};
 Blockly.FieldVariable.dropdownCreate=function(){var a=this.sourceBlock_&&this.sourceBlock_.workspace?Blockly.Variables.allVariables(this.sourceBlock_.workspace):[],b=this.getText();b&&-1==a.indexOf(b)&&a.push(b);a.sort(goog.string.caseInsensitiveCompare);a.push(Blockly.Msg.RENAME_VARIABLE);a.push(Blockly.Msg.NEW_VARIABLE);for(var b=[],c=0;c<a.length;c++)b[c]=[a[c],a[c]];return b};
-Blockly.FieldVariable.classValidator=function(a){function b(a,b){Blockly.hideChaff();var c=window.prompt(a,b);c&&(c=c.replace(/[\s\xa0]+/g," ").replace(/^ | $/g,""),c==Blockly.Msg.RENAME_VARIABLE||c==Blockly.Msg.NEW_VARIABLE)&&(c=null);return c}var c=this.sourceBlock_.workspace;if(a==Blockly.Msg.RENAME_VARIABLE){var d=this.getText();(a=b(Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",d),d))&&Blockly.Variables.renameVariable(d,a,c);return null}if(a==Blockly.Msg.NEW_VARIABLE)return(a=b(Blockly.Msg.NEW_VARIABLE_TITLE,
+Blockly.FieldVariable.prototype.classValidator=function(a){function b(a,b){Blockly.hideChaff();var c=window.prompt(a,b);c&&(c=c.replace(/[\s\xa0]+/g," ").replace(/^ | $/g,""),c==Blockly.Msg.RENAME_VARIABLE||c==Blockly.Msg.NEW_VARIABLE)&&(c=null);return c}var c=this.sourceBlock_.workspace;if(a==Blockly.Msg.RENAME_VARIABLE){var d=this.getText();(a=b(Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",d),d))&&Blockly.Variables.renameVariable(d,a,c);return null}if(a==Blockly.Msg.NEW_VARIABLE)return(a=b(Blockly.Msg.NEW_VARIABLE_TITLE,
 ""))?(Blockly.Variables.renameVariable(a,a,c),a):null};Blockly.Generator=function(a){this.name_=a;this.FUNCTION_NAME_PLACEHOLDER_REGEXP_=new RegExp(this.FUNCTION_NAME_PLACEHOLDER_,"g")};Blockly.Generator.NAME_TYPE="generated_function";Blockly.Generator.prototype.INFINITE_LOOP_TRAP=null;Blockly.Generator.prototype.STATEMENT_PREFIX=null;Blockly.Generator.prototype.INDENT="  ";Blockly.Generator.prototype.COMMENT_WRAP=60;Blockly.Generator.prototype.ORDER_OVERRIDES=[];
 Blockly.Generator.prototype.workspaceToCode=function(a){a||(console.warn("No workspace specified in workspaceToCode call.  Guessing."),a=Blockly.getMainWorkspace());var b=[];this.init(a);a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++){var e=this.blockToCode(d);goog.isArray(e)&&(e=e[0]);e&&(d.outputConnection&&this.scrubNakedValue&&(e=this.scrubNakedValue(e)),b.push(e))}b=b.join("\n");b=this.finish(b);b=b.replace(/^\s+\n/,"");b=b.replace(/\n\s+$/,"\n");return b=b.replace(/[ \t]+\n/g,"\n")};
 Blockly.Generator.prototype.prefixLines=function(a,b){return b+a.replace(/(?!\n$)\n/g,"\n"+b)};Blockly.Generator.prototype.allNestedComments=function(a){var b=[];a=a.getDescendants();for(var c=0;c<a.length;c++){var d=a[c].getCommentText();d&&b.push(d)}b.length&&b.push("");return b.join("\n")};
@@ -1294,9 +1296,9 @@ Blockly.Names.prototype.getName=function(a,b){var c=a.toLowerCase()+"_"+b,d=b==B
 Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a="unnamed";return a};Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.NAME_TYPE="PROCEDURE";Blockly.Procedures.allProcedures=function(a){a=a.getAllBlocks();for(var b=[],c=[],d=0;d<a.length;d++)if(a[d].getProcedureDef){var e=a[d].getProcedureDef();e&&(e[2]?b.push(e):c.push(e))}c.sort(Blockly.Procedures.procTupleComparator_);b.sort(Blockly.Procedures.procTupleComparator_);return[c,b]};Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};
 Blockly.Procedures.findLegalName=function(a,b){if(b.isInFlyout)return a;for(;!Blockly.Procedures.isLegalName_(a,b.workspace,b);){var c=a.match(/^(.*?)(\d+)$/);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,"");var b=Blockly.Procedures.findLegalName(a,this.sourceBlock_),c=this.text_;if(c!=a&&c!=b){a=this.sourceBlock_.workspace.getAllBlocks();for(var d=0;d<a.length;d++)a[d].renameProcedure&&a[d].renameProcedure(c,b)}return b};
-Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var h=a[d][0],k=a[d][1],m=goog.dom.createDom("block");m.setAttribute("type",b);m.setAttribute("gap",16);var p=goog.dom.createDom("mutation");p.setAttribute("name",h);m.appendChild(p);for(h=0;h<k.length;h++){var l=goog.dom.createDom("arg");l.setAttribute("name",k[h]);p.appendChild(l)}c.push(m)}}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.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var h=a[d][0],k=a[d][1],m=goog.dom.createUntypedDom("block");m.setAttribute("type",b);m.setAttribute("gap",16);var p=goog.dom.createUntypedDom("mutation");p.setAttribute("name",h);m.appendChild(p);for(h=0;h<k.length;h++){var l=goog.dom.createUntypedDom("arg");l.setAttribute("name",k[h]);p.appendChild(l)}c.push(m)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=goog.dom.createUntypedDom("block");d.setAttribute("type",
+"procedures_defnoreturn");d.setAttribute("gap",16);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=goog.dom.createUntypedDom("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),c.push(d));Blockly.Blocks.procedures_ifreturn&&(d=goog.dom.createUntypedDom("block"),d.setAttribute("type","procedures_ifreturn"),d.setAttribute("gap",16),c.push(d));c.length&&c[c.length-1].setAttribute("gap",24);a=Blockly.Procedures.allProcedures(a);b(a[0],"procedures_callnoreturn");b(a[1],"procedures_callreturn");
+return c};Blockly.Procedures.getCallers=function(a,b){for(var c=[],d=b.getAllBlocks(),e=0;e<d.length;e++)if(d[e].getProcedureCall){var f=d[e].getProcedureCall();f&&Blockly.Names.equals(f,a)&&c.push(d[e])}return c};
 Blockly.Procedures.mutateCallers=function(a){var b=Blockly.Events.recordUndo,c=a.getProcedureDef()[0],d=a.mutationToDom(!0);a=Blockly.Procedures.getCallers(c,a.workspace);for(var c=0,e;e=a[c];c++){var f=e.mutationToDom(),f=f&&Blockly.Xml.domToText(f);e.domToMutation(d);var g=e.mutationToDom(),g=g&&Blockly.Xml.domToText(g);f!=g&&(Blockly.Events.recordUndo=!1,Blockly.Events.fire(new Blockly.Events.Change(e,"mutation",null,f,g)),Blockly.Events.recordUndo=b)}};
 Blockly.Procedures.getDefinition=function(a,b){for(var c=b.getTopBlocks(!1),d=0;d<c.length;d++)if(c[d].getProcedureDef){var e=c[d].getProcedureDef();if(e&&Blockly.Names.equals(e[0],a))return c[d]}return null};Blockly.Flyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.RTL=!!a.RTL;this.horizontalLayout_=a.horizontalLayout;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[]};Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.DRAG_RADIUS=10;
 Blockly.Flyout.prototype.MARGIN=Blockly.Flyout.prototype.CORNER_RADIUS;Blockly.Flyout.prototype.SCROLLBAR_PADDING=2;Blockly.Flyout.prototype.width_=0;Blockly.Flyout.prototype.height_=0;Blockly.Flyout.prototype.dragMode_=Blockly.DRAG_NONE;Blockly.Flyout.prototype.dragAngleRange_=70;
@@ -1323,7 +1325,7 @@ b[e];h=Blockly.createSvgElement("rect",{"fill-opacity":0},null);h.tooltip=f;Bloc
 Blockly.Flyout.prototype.addBlockListeners_=function(a,b,c){this.listeners_.push(Blockly.bindEvent_(a,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEvent_(c,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEvent_(a,"mouseover",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(a,"mouseout",b,b.removeSelect));this.listeners_.push(Blockly.bindEvent_(c,"mouseover",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(c,"mouseout",b,b.removeSelect))};
 Blockly.Flyout.prototype.blockMouseDown_=function(a){var b=this;return function(c){Blockly.terminateDrag_();Blockly.hideChaff(!0);Blockly.isRightButton(c)?a.showContextMenu_(c):(Blockly.Css.setCursor(Blockly.Css.Cursor.CLOSED),b.startDragMouseY_=c.clientY,b.startDragMouseX_=c.clientX,Blockly.Flyout.startDownEvent_=c,Blockly.Flyout.startBlock_=a,Blockly.Flyout.startFlyout_=b,Blockly.Flyout.onMouseUpWrapper_=Blockly.bindEvent_(document,"mouseup",b,b.onMouseUp_),Blockly.Flyout.onMouseMoveBlockWrapper_=
 Blockly.bindEvent_(document,"mousemove",b,b.onMouseMoveBlock_));c.stopPropagation();c.preventDefault()}};
-Blockly.Flyout.prototype.onMouseDown_=function(a){Blockly.isRightButton(a)||(Blockly.hideChaff(!0),this.dragMode_=Blockly.DRAG_FREE,this.startDragMouseY_=a.clientY,this.startDragMouseX_=a.clientX,Blockly.Flyout.onMouseMoveWrapper_=Blockly.bindEvent_(document,"mousemove",this,this.onMouseMove_),Blockly.Flyout.onMouseUpWrapper_=Blockly.bindEvent_(document,"mouseup",this,Blockly.Flyout.terminateDrag_),a.preventDefault(),a.stopPropagation())};
+Blockly.Flyout.prototype.onMouseDown_=function(a){Blockly.isRightButton(a)||(Blockly.hideChaff(!0),this.dragMode_=Blockly.DRAG_FREE,this.startDragMouseY_=a.clientY,this.startDragMouseX_=a.clientX,Blockly.Flyout.startFlyout_=this,Blockly.Flyout.onMouseMoveWrapper_=Blockly.bindEvent_(document,"mousemove",this,this.onMouseMove_),Blockly.Flyout.onMouseUpWrapper_=Blockly.bindEvent_(document,"mouseup",this,Blockly.Flyout.terminateDrag_),a.preventDefault(),a.stopPropagation())};
 Blockly.Flyout.prototype.onMouseUp_=function(a){this.workspace_.isDragging()||(this.autoClose?this.createBlockFunc_(Blockly.Flyout.startBlock_)(Blockly.Flyout.startDownEvent_):Blockly.WidgetDiv.isVisible()||Blockly.Events.fire(new Blockly.Events.Ui(Blockly.Flyout.startBlock_,"click",void 0,void 0)));Blockly.terminateDrag_()};
 Blockly.Flyout.prototype.onMouseMove_=function(a){var b=this.getMetrics_();if(this.horizontalLayout_){if(!(0>b.contentWidth-b.viewWidth)){var c=a.clientX-this.startDragMouseX_;this.startDragMouseX_=a.clientX;a=b.viewLeft-c;a=goog.math.clamp(a,0,b.contentWidth-b.viewWidth);this.scrollbar_.set(a)}}else 0>b.contentHeight-b.viewHeight||(c=a.clientY-this.startDragMouseY_,this.startDragMouseY_=a.clientY,a=b.viewTop-c,a=goog.math.clamp(a,0,b.contentHeight-b.viewHeight),this.scrollbar_.set(a))};
 Blockly.Flyout.prototype.onMouseMoveBlock_=function(a){if(!("mousemove"==a.type&&1>=a.clientX&&0==a.clientY&&0==a.button))if(this.determineDragIntention_(a.clientX-Blockly.Flyout.startDownEvent_.clientX,a.clientY-Blockly.Flyout.startDownEvent_.clientY))this.createBlockFunc_(Blockly.Flyout.startBlock_)(Blockly.Flyout.startDownEvent_);else if(this.dragMode_==Blockly.DRAG_FREE)this.onMouseMove_(a);a.stopPropagation()};
@@ -1342,7 +1344,7 @@ Blockly.Flyout.prototype.reflowVertical=function(a){this.workspace_.scale=this.t
 d.moveBy(g-f,0)}d.flyoutRect_&&(d.flyoutRect_.setAttribute("width",e.width),d.flyoutRect_.setAttribute("height",e.height),g=d.outputConnection?Blockly.BlockSvg.TAB_WIDTH:0,f=d.getRelativeToSurfaceXY(),d.flyoutRect_.setAttribute("x",this.RTL?f.x-e.width+g:f.x-g),(e=d.startHat_?Blockly.BlockSvg.START_HAT_HEIGHT:0)&&d.moveBy(0,e),d.flyoutRect_.setAttribute("y",f.y))}this.width_=b;this.targetWorkspace_.resize()}};
 Blockly.Flyout.prototype.reflow=function(){this.reflowWrapper_&&this.workspace_.removeChangeListener(this.reflowWrapper_);var a=this.workspace_.getTopBlocks(!1);this.horizontalLayout_?this.reflowHorizontal(a):this.reflowVertical(a);this.reflowWrapper_&&this.workspace_.addChangeListener(this.reflowWrapper_)};Blockly.Toolbox=function(a){this.workspace_=a;this.RTL=a.options.RTL;this.horizontalLayout_=a.options.horizontalLayout;this.toolboxPosition=a.options.toolboxPosition;this.config_={indentWidth:19,cssRoot:"blocklyTreeRoot",cssHideRoot:"blocklyHidden",cssItem:"",cssTreeRow:"blocklyTreeRow",cssItemLabel:"blocklyTreeLabel",cssTreeIcon:"blocklyTreeIcon",cssExpandedFolderIcon:"blocklyTreeIconOpen",cssFileIcon:"blocklyTreeIconNone",cssSelectedRow:"blocklyTreeSelected"};this.treeSeparatorConfig_={cssTreeRow:"blocklyTreeSeparator"};
 this.horizontalLayout_&&(this.config_.cssTreeRow+=a.RTL?" blocklyHorizontalTreeRtl":" blocklyHorizontalTree",this.treeSeparatorConfig_.cssTreeRow="blocklyTreeSeparatorHorizontal "+(a.RTL?"blocklyHorizontalTreeRtl":"blocklyHorizontalTree"),this.config_.cssTreeIcon="")};Blockly.Toolbox.prototype.width=0;Blockly.Toolbox.prototype.height=0;Blockly.Toolbox.prototype.selectedOption_=null;Blockly.Toolbox.prototype.lastCategory_=null;
-Blockly.Toolbox.prototype.init=function(){var a=this.workspace_;this.HtmlDiv=goog.dom.createDom("div","blocklyToolboxDiv");this.HtmlDiv.setAttribute("dir",a.RTL?"RTL":"LTR");document.body.appendChild(this.HtmlDiv);Blockly.bindEvent_(this.HtmlDiv,"mousedown",this,function(a){Blockly.isRightButton(a)||a.target==this.HtmlDiv?Blockly.hideChaff(!1):Blockly.hideChaff(!0)});this.flyout_=new Blockly.Flyout({disabledPatternId:a.options.disabledPatternId,parentWorkspace:a,RTL:a.RTL,horizontalLayout:a.horizontalLayout,
+Blockly.Toolbox.prototype.init=function(){var a=this.workspace_;this.HtmlDiv=goog.dom.createDom("DIV","blocklyToolboxDiv");this.HtmlDiv.setAttribute("dir",a.RTL?"RTL":"LTR");document.body.appendChild(this.HtmlDiv);Blockly.bindEvent_(this.HtmlDiv,"mousedown",this,function(a){Blockly.isRightButton(a)||a.target==this.HtmlDiv?Blockly.hideChaff(!1):Blockly.hideChaff(!0)});this.flyout_=new Blockly.Flyout({disabledPatternId:a.options.disabledPatternId,parentWorkspace:a,RTL:a.RTL,horizontalLayout:a.horizontalLayout,
 toolboxPosition:a.options.toolboxPosition});goog.dom.insertSiblingAfter(this.flyout_.createDom(),a.svgGroup_);this.flyout_.init(a);this.config_.cleardotPath=a.options.pathToMedia+"1x1.gif";this.config_.cssCollapsedFolderIcon="blocklyTreeIconClosed"+(a.RTL?"Rtl":"Ltr");var b=new Blockly.Toolbox.TreeControl(this,this.config_);this.tree_=b;b.setShowRootNode(!1);b.setShowLines(!1);b.setShowExpandIcons(!1);b.setSelectedItem(null);this.populate_(a.options.languageTree);b.render(this.HtmlDiv);this.addColour_();
 this.position()};Blockly.Toolbox.prototype.dispose=function(){this.flyout_.dispose();this.tree_.dispose();goog.dom.removeNode(this.HtmlDiv);this.lastCategory_=this.workspace_=null};Blockly.Toolbox.prototype.getWidth=function(){return this.width};Blockly.Toolbox.prototype.getHeight=function(){return this.height};
 Blockly.Toolbox.prototype.position=function(){var a=this.HtmlDiv;if(a){var b=this.workspace_.getParentSvg(),c=goog.style.getPageOffset(b),b=Blockly.svgSize(b);this.horizontalLayout_?(a.style.left=c.x+"px",a.style.height="auto",a.style.width=b.width+"px",this.height=a.offsetHeight,a.style.top=this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?c.y+"px":c.y+b.height-a.offsetHeight+"px"):(a.style.left=this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT?c.x+b.width-a.offsetWidth+"px":c.x+"px",a.style.height=b.height+
@@ -1376,7 +1378,7 @@ Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;",
 "}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem {","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel,",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon {",
 "opacity: 0.3;","-moz-opacity: 0.3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 3px;","padding-top: 3px;","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;",
 "width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon {","background: url(//ssl.gstatic.com/editor/editortoolbar.png) no-repeat -512px 0;","}",".blocklyWidgetDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;",
-"position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {","left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=goog.dom.createDom("div","blocklyWidgetDiv"),document.body.appendChild(Blockly.WidgetDiv.DIV))};
+"position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel {","left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=goog.dom.createDom("DIV","blocklyWidgetDiv"),document.body.appendChild(Blockly.WidgetDiv.DIV))};
 Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=goog.style.getViewportPageOffset(document);Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
 Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.DIV.style.height="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,goog.dom.removeChildren(Blockly.WidgetDiv.DIV))};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};
 Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};Blockly.WidgetDiv.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.constants={};Blockly.DRAG_RADIUS=5;Blockly.SNAP_RADIUS=20;Blockly.BUMP_DELAY=250;Blockly.COLLAPSE_CHARS=30;Blockly.LONGPRESS=750;Blockly.SOUND_LIMIT=100;Blockly.HSV_SATURATION=.45;Blockly.HSV_VALUE=.65;Blockly.SPRITE={width:96,height:124,url:"sprites.png"};Blockly.SVG_NS="http://www.w3.org/2000/svg";Blockly.HTML_NS="http://www.w3.org/1999/xhtml";Blockly.INPUT_VALUE=1;Blockly.OUTPUT_VALUE=2;Blockly.NEXT_STATEMENT=3;Blockly.PREVIOUS_STATEMENT=4;Blockly.DUMMY_INPUT=5;Blockly.ALIGN_LEFT=-1;
diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
index 8c827c33f..9c1f94855 100644
--- a/blockly_uncompressed.js
+++ b/blockly_uncompressed.js
@@ -60,7 +60,7 @@ goog.addDependency("../../../" + dir + "/core/field_dropdown.js", ['Blockly.Fiel
 goog.addDependency("../../../" + dir + "/core/field_image.js", ['Blockly.FieldImage'], ['Blockly.Field', 'goog.dom', 'goog.math.Size', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_label.js", ['Blockly.FieldLabel'], ['Blockly.Field', 'Blockly.Tooltip', 'goog.dom', 'goog.math.Size']);
 goog.addDependency("../../../" + dir + "/core/field_number.js", ['Blockly.FieldNumber'], ['Blockly.FieldTextInput', 'goog.math']);
-goog.addDependency("../../../" + dir + "/core/field_textinput.js", ['Blockly.FieldTextInput'], ['Blockly.Field', 'Blockly.Msg', 'goog.asserts', 'goog.dom', 'goog.userAgent']);
+goog.addDependency("../../../" + dir + "/core/field_textinput.js", ['Blockly.FieldTextInput'], ['Blockly.Field', 'Blockly.Msg', 'goog.asserts', 'goog.dom', 'goog.dom.TagName', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/field_variable.js", ['Blockly.FieldVariable'], ['Blockly.FieldDropdown', 'Blockly.Msg', 'Blockly.Variables', 'goog.string']);
 goog.addDependency("../../../" + dir + "/core/flyout.js", ['Blockly.Flyout'], ['Blockly.Block', 'Blockly.Comment', 'Blockly.Events', 'Blockly.WorkspaceSvg', 'goog.dom', 'goog.events', 'goog.math.Rect', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/generator.js", ['Blockly.Generator'], ['Blockly.Block', 'goog.asserts']);
@@ -74,13 +74,13 @@ goog.addDependency("../../../" + dir + "/core/options.js", ['Blockly.Options'],
 goog.addDependency("../../../" + dir + "/core/procedures.js", ['Blockly.Procedures'], ['Blockly.Blocks', 'Blockly.Field', 'Blockly.Names', 'Blockly.Workspace']);
 goog.addDependency("../../../" + dir + "/core/rendered_connection.js", ['Blockly.RenderedConnection'], ['Blockly.Connection']);
 goog.addDependency("../../../" + dir + "/core/scrollbar.js", ['Blockly.Scrollbar', 'Blockly.ScrollbarPair'], ['goog.dom', 'goog.events']);
-goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Flyout', 'goog.dom', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
-goog.addDependency("../../../" + dir + "/core/tooltip.js", ['Blockly.Tooltip'], ['goog.dom']);
+goog.addDependency("../../../" + dir + "/core/toolbox.js", ['Blockly.Toolbox'], ['Blockly.Flyout', 'goog.dom', 'goog.dom.TagName', 'goog.events', 'goog.events.BrowserFeature', 'goog.html.SafeHtml', 'goog.html.SafeStyle', 'goog.math.Rect', 'goog.style', 'goog.ui.tree.TreeControl', 'goog.ui.tree.TreeNode']);
+goog.addDependency("../../../" + dir + "/core/tooltip.js", ['Blockly.Tooltip'], ['goog.dom', 'goog.dom.TagName']);
 goog.addDependency("../../../" + dir + "/core/trashcan.js", ['Blockly.Trashcan'], ['goog.Timer', 'goog.dom', 'goog.math', 'goog.math.Rect']);
 goog.addDependency("../../../" + dir + "/core/utils.js", ['Blockly.utils'], ['goog.dom', 'goog.events.BrowserFeature', 'goog.math.Coordinate', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/variables.js", ['Blockly.Variables'], ['Blockly.Blocks', 'Blockly.Workspace', 'goog.string']);
 goog.addDependency("../../../" + dir + "/core/warning.js", ['Blockly.Warning'], ['Blockly.Bubble', 'Blockly.Icon']);
-goog.addDependency("../../../" + dir + "/core/widgetdiv.js", ['Blockly.WidgetDiv'], ['Blockly.Css', 'goog.dom', 'goog.style']);
+goog.addDependency("../../../" + dir + "/core/widgetdiv.js", ['Blockly.WidgetDiv'], ['Blockly.Css', 'goog.dom', 'goog.dom.TagName', 'goog.style']);
 goog.addDependency("../../../" + dir + "/core/workspace.js", ['Blockly.Workspace'], ['goog.math']);
 goog.addDependency("../../../" + dir + "/core/workspace_svg.js", ['Blockly.WorkspaceSvg'], ['Blockly.ConnectionDB', 'Blockly.Options', 'Blockly.ScrollbarPair', 'Blockly.Trashcan', 'Blockly.Workspace', 'Blockly.Xml', 'Blockly.ZoomControls', 'goog.dom', 'goog.math.Coordinate', 'goog.userAgent']);
 goog.addDependency("../../../" + dir + "/core/xml.js", ['Blockly.Xml'], ['goog.asserts', 'goog.dom']);
@@ -668,11 +668,6 @@ goog.addDependency("labs/events/touch.js", ['goog.labs.events.touch', 'goog.labs
 goog.addDependency("labs/events/touch_test.js", ['goog.labs.events.touchTest'], ['goog.labs.events.touch', 'goog.testing.jsunit']);
 goog.addDependency("labs/format/csv.js", ['goog.labs.format.csv', 'goog.labs.format.csv.ParseError', 'goog.labs.format.csv.Token'], ['goog.array', 'goog.asserts', 'goog.debug.Error', 'goog.object', 'goog.string', 'goog.string.newlines']);
 goog.addDependency("labs/format/csv_test.js", ['goog.labs.format.csvTest'], ['goog.labs.format.csv', 'goog.labs.format.csv.ParseError', 'goog.object', 'goog.testing.asserts', 'goog.testing.jsunit']);
-goog.addDependency("labs/html/attribute_rewriter.js", ['goog.labs.html.AttributeRewriter', 'goog.labs.html.AttributeValue', 'goog.labs.html.attributeRewriterPresubmitWorkaround'], []);
-goog.addDependency("labs/html/sanitizer.js", ['goog.labs.html.Sanitizer'], ['goog.asserts', 'goog.html.SafeUrl', 'goog.labs.html.attributeRewriterPresubmitWorkaround', 'goog.labs.html.scrubber', 'goog.object', 'goog.string']);
-goog.addDependency("labs/html/sanitizer_test.js", ['goog.labs.html.SanitizerTest'], ['goog.html.SafeUrl', 'goog.labs.html.Sanitizer', 'goog.string', 'goog.string.Const', 'goog.testing.jsunit']);
-goog.addDependency("labs/html/scrubber.js", ['goog.labs.html.scrubber'], ['goog.array', 'goog.dom.tags', 'goog.labs.html.attributeRewriterPresubmitWorkaround', 'goog.string']);
-goog.addDependency("labs/html/scrubber_test.js", ['goog.html.ScrubberTest'], ['goog.labs.html.scrubber', 'goog.object', 'goog.string', 'goog.testing.jsunit']);
 goog.addDependency("labs/i18n/listformat.js", ['goog.labs.i18n.GenderInfo', 'goog.labs.i18n.GenderInfo.Gender', 'goog.labs.i18n.ListFormat'], ['goog.asserts', 'goog.labs.i18n.ListFormatSymbols']);
 goog.addDependency("labs/i18n/listformat_test.js", ['goog.labs.i18n.ListFormatTest'], ['goog.labs.i18n.GenderInfo', 'goog.labs.i18n.ListFormat', 'goog.labs.i18n.ListFormatSymbols', 'goog.labs.i18n.ListFormatSymbols_el', 'goog.labs.i18n.ListFormatSymbols_en', 'goog.labs.i18n.ListFormatSymbols_fr', 'goog.labs.i18n.ListFormatSymbols_ml', 'goog.labs.i18n.ListFormatSymbols_zu', 'goog.testing.jsunit']);
 goog.addDependency("labs/i18n/listsymbols.js", ['goog.labs.i18n.ListFormatSymbols', 'goog.labs.i18n.ListFormatSymbols_af', 'goog.labs.i18n.ListFormatSymbols_am', 'goog.labs.i18n.ListFormatSymbols_ar', 'goog.labs.i18n.ListFormatSymbols_az', 'goog.labs.i18n.ListFormatSymbols_be', 'goog.labs.i18n.ListFormatSymbols_bg', 'goog.labs.i18n.ListFormatSymbols_bn', 'goog.labs.i18n.ListFormatSymbols_br', 'goog.labs.i18n.ListFormatSymbols_bs', 'goog.labs.i18n.ListFormatSymbols_ca', 'goog.labs.i18n.ListFormatSymbols_chr', 'goog.labs.i18n.ListFormatSymbols_cs', 'goog.labs.i18n.ListFormatSymbols_cy', 'goog.labs.i18n.ListFormatSymbols_da', 'goog.labs.i18n.ListFormatSymbols_de', 'goog.labs.i18n.ListFormatSymbols_de_AT', 'goog.labs.i18n.ListFormatSymbols_de_CH', 'goog.labs.i18n.ListFormatSymbols_el', 'goog.labs.i18n.ListFormatSymbols_en', 'goog.labs.i18n.ListFormatSymbols_en_AU', 'goog.labs.i18n.ListFormatSymbols_en_CA', 'goog.labs.i18n.ListFormatSymbols_en_GB', 'goog.labs.i18n.ListFormatSymbols_en_IE', 'goog.labs.i18n.ListFormatSymbols_en_IN', 'goog.labs.i18n.ListFormatSymbols_en_SG', 'goog.labs.i18n.ListFormatSymbols_en_US', 'goog.labs.i18n.ListFormatSymbols_en_ZA', 'goog.labs.i18n.ListFormatSymbols_es', 'goog.labs.i18n.ListFormatSymbols_es_419', 'goog.labs.i18n.ListFormatSymbols_es_ES', 'goog.labs.i18n.ListFormatSymbols_es_MX', 'goog.labs.i18n.ListFormatSymbols_es_US', 'goog.labs.i18n.ListFormatSymbols_et', 'goog.labs.i18n.ListFormatSymbols_eu', 'goog.labs.i18n.ListFormatSymbols_fa', 'goog.labs.i18n.ListFormatSymbols_fi', 'goog.labs.i18n.ListFormatSymbols_fil', 'goog.labs.i18n.ListFormatSymbols_fr', 'goog.labs.i18n.ListFormatSymbols_fr_CA', 'goog.labs.i18n.ListFormatSymbols_ga', 'goog.labs.i18n.ListFormatSymbols_gl', 'goog.labs.i18n.ListFormatSymbols_gsw', 'goog.labs.i18n.ListFormatSymbols_gu', 'goog.labs.i18n.ListFormatSymbols_haw', 'goog.labs.i18n.ListFormatSymbols_he', 'goog.labs.i18n.ListFormatSymbols_hi', 'goog.labs.i18n.ListFormatSymbols_hr', 'goog.labs.i18n.ListFormatSymbols_hu', 'goog.labs.i18n.ListFormatSymbols_hy', 'goog.labs.i18n.ListFormatSymbols_id', 'goog.labs.i18n.ListFormatSymbols_in', 'goog.labs.i18n.ListFormatSymbols_is', 'goog.labs.i18n.ListFormatSymbols_it', 'goog.labs.i18n.ListFormatSymbols_iw', 'goog.labs.i18n.ListFormatSymbols_ja', 'goog.labs.i18n.ListFormatSymbols_ka', 'goog.labs.i18n.ListFormatSymbols_kk', 'goog.labs.i18n.ListFormatSymbols_km', 'goog.labs.i18n.ListFormatSymbols_kn', 'goog.labs.i18n.ListFormatSymbols_ko', 'goog.labs.i18n.ListFormatSymbols_ky', 'goog.labs.i18n.ListFormatSymbols_ln', 'goog.labs.i18n.ListFormatSymbols_lo', 'goog.labs.i18n.ListFormatSymbols_lt', 'goog.labs.i18n.ListFormatSymbols_lv', 'goog.labs.i18n.ListFormatSymbols_mk', 'goog.labs.i18n.ListFormatSymbols_ml', 'goog.labs.i18n.ListFormatSymbols_mn', 'goog.labs.i18n.ListFormatSymbols_mo', 'goog.labs.i18n.ListFormatSymbols_mr', 'goog.labs.i18n.ListFormatSymbols_ms', 'goog.labs.i18n.ListFormatSymbols_mt', 'goog.labs.i18n.ListFormatSymbols_my', 'goog.labs.i18n.ListFormatSymbols_nb', 'goog.labs.i18n.ListFormatSymbols_ne', 'goog.labs.i18n.ListFormatSymbols_nl', 'goog.labs.i18n.ListFormatSymbols_no', 'goog.labs.i18n.ListFormatSymbols_no_NO', 'goog.labs.i18n.ListFormatSymbols_or', 'goog.labs.i18n.ListFormatSymbols_pa', 'goog.labs.i18n.ListFormatSymbols_pl', 'goog.labs.i18n.ListFormatSymbols_pt', 'goog.labs.i18n.ListFormatSymbols_pt_BR', 'goog.labs.i18n.ListFormatSymbols_pt_PT', 'goog.labs.i18n.ListFormatSymbols_ro', 'goog.labs.i18n.ListFormatSymbols_ru', 'goog.labs.i18n.ListFormatSymbols_sh', 'goog.labs.i18n.ListFormatSymbols_si', 'goog.labs.i18n.ListFormatSymbols_sk', 'goog.labs.i18n.ListFormatSymbols_sl', 'goog.labs.i18n.ListFormatSymbols_sq', 'goog.labs.i18n.ListFormatSymbols_sr', 'goog.labs.i18n.ListFormatSymbols_sr_Latn', 'goog.labs.i18n.ListFormatSymbols_sv', 'goog.labs.i18n.ListFormatSymbols_sw', 'goog.labs.i18n.ListFormatSymbols_ta', 'goog.labs.i18n.ListFormatSymbols_te', 'goog.labs.i18n.ListFormatSymbols_th', 'goog.labs.i18n.ListFormatSymbols_tl', 'goog.labs.i18n.ListFormatSymbols_tr', 'goog.labs.i18n.ListFormatSymbols_uk', 'goog.labs.i18n.ListFormatSymbols_ur', 'goog.labs.i18n.ListFormatSymbols_uz', 'goog.labs.i18n.ListFormatSymbols_vi', 'goog.labs.i18n.ListFormatSymbols_zh', 'goog.labs.i18n.ListFormatSymbols_zh_CN', 'goog.labs.i18n.ListFormatSymbols_zh_HK', 'goog.labs.i18n.ListFormatSymbols_zh_TW', 'goog.labs.i18n.ListFormatSymbols_zu'], []);
@@ -1136,7 +1131,7 @@ goog.addDependency("testing/jstdtestcaseadapter.js", ['goog.testing.JsTdTestCase
 goog.addDependency("testing/jsunit.js", ['goog.testing.jsunit'], ['goog.dom.TagName', 'goog.testing.TestCase', 'goog.testing.TestRunner']);
 goog.addDependency("testing/loosemock.js", ['goog.testing.LooseExpectationCollection', 'goog.testing.LooseMock'], ['goog.array', 'goog.structs.Map', 'goog.testing.Mock']);
 goog.addDependency("testing/loosemock_test.js", ['goog.testing.LooseMockTest'], ['goog.testing.LooseMock', 'goog.testing.PropertyReplacer', 'goog.testing.jsunit', 'goog.testing.mockmatchers']);
-goog.addDependency("testing/mock.js", ['goog.testing.Mock', 'goog.testing.MockExpectation'], ['goog.array', 'goog.object', 'goog.testing.JsUnitException', 'goog.testing.MockInterface', 'goog.testing.mockmatchers']);
+goog.addDependency("testing/mock.js", ['goog.testing.Mock', 'goog.testing.MockExpectation'], ['goog.array', 'goog.object', 'goog.structs.Set', 'goog.testing.JsUnitException', 'goog.testing.MockInterface', 'goog.testing.mockmatchers']);
 goog.addDependency("testing/mock_test.js", ['goog.testing.MockTest'], ['goog.array', 'goog.testing', 'goog.testing.Mock', 'goog.testing.MockControl', 'goog.testing.MockExpectation', 'goog.testing.jsunit']);
 goog.addDependency("testing/mockclassfactory.js", ['goog.testing.MockClassFactory', 'goog.testing.MockClassRecord'], ['goog.array', 'goog.object', 'goog.testing.LooseMock', 'goog.testing.StrictMock', 'goog.testing.TestCase', 'goog.testing.mockmatchers']);
 goog.addDependency("testing/mockclassfactory_test.js", ['fake.BaseClass', 'fake.ChildClass', 'goog.testing.MockClassFactoryTest'], ['goog.testing', 'goog.testing.MockClassFactory', 'goog.testing.jsunit']);
diff --git a/blocks_compressed.js b/blocks_compressed.js
index b4f2cd6d1..43a8c4665 100644
--- a/blocks_compressed.js
+++ b/blocks_compressed.js
@@ -24,15 +24,15 @@ Blockly.Blocks.lists_getIndex={init:function(){var a=[[Blockly.Msg.LISTS_GET_IND
 this.setColour(Blockly.Blocks.lists.HUE);a=new Blockly.FieldDropdown(a,function(a){this.sourceBlock_.updateStatement_("REMOVE"==a)});this.appendValueInput("VALUE").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_INDEX_INPUT_IN_LIST);this.appendDummyInput().appendField(a,"MODE").appendField("","SPACE");this.appendDummyInput("AT");Blockly.Msg.LISTS_GET_INDEX_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_INDEX_TAIL);this.setInputsInline(!0);this.setOutput(!0);this.updateAt_(!0);
 var b=this;this.setTooltip(function(){var a=b.getFieldValue("MODE"),e=b.getFieldValue("WHERE"),d="";switch(a+" "+e){case "GET FROM_START":case "GET FROM_END":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM;break;case "GET FIRST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FIRST;break;case "GET LAST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_LAST;break;case "GET RANDOM":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_RANDOM;break;case "GET_REMOVE FROM_START":case "GET_REMOVE FROM_END":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM;
 break;case "GET_REMOVE FIRST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST;break;case "GET_REMOVE LAST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST;break;case "GET_REMOVE RANDOM":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM;break;case "REMOVE FROM_START":case "REMOVE FROM_END":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM;break;case "REMOVE FIRST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST;break;case "REMOVE LAST":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST;
-break;case "REMOVE RANDOM":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM}"FROM_START"==e?d+="  "+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"#1":"#0"):"FROM_END"==e&&(d+="  "+Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP.replace("%1","#1"));return d})},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("statement",!this.outputConnection);var b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},
-domToMutation:function(a){var b="true"==a.getAttribute("statement");this.updateStatement_(b);a="false"!=a.getAttribute("at");this.updateAt_(a)},updateStatement_:function(a){a!=!this.outputConnection&&(this.unplug(!0,!0),a?(this.setOutput(!1),this.setPreviousStatement(!0),this.setNextStatement(!0)):(this.setPreviousStatement(!1),this.setNextStatement(!1),this.setOutput(!0)))},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),
-Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.getInput("AT").appendField(b,"WHERE");Blockly.Msg.LISTS_GET_INDEX_TAIL&&this.moveInputBefore("TAIL",null)}};
+break;case "REMOVE RANDOM":d=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM}if("FROM_START"==e||"FROM_END"==e)d+="  "+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"#1":"#0");return d})},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("statement",!this.outputConnection);var b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("statement");
+this.updateStatement_(b);a="false"!=a.getAttribute("at");this.updateAt_(a)},updateStatement_:function(a){a!=!this.outputConnection&&(this.unplug(!0,!0),a?(this.setOutput(!1),this.setPreviousStatement(!0),this.setNextStatement(!0)):(this.setPreviousStatement(!1),this.setNextStatement(!1),this.setOutput(!0)))},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
+this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.getInput("AT").appendField(b,"WHERE");Blockly.Msg.LISTS_GET_INDEX_TAIL&&this.moveInputBefore("TAIL",null)}};
 Blockly.Blocks.lists_setIndex={init:function(){var a=[[Blockly.Msg.LISTS_SET_INDEX_SET,"SET"],[Blockly.Msg.LISTS_SET_INDEX_INSERT,"INSERT"]];this.WHERE_OPTIONS=[[Blockly.Msg.LISTS_GET_INDEX_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_INDEX_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_INDEX_FIRST,"FIRST"],[Blockly.Msg.LISTS_GET_INDEX_LAST,"LAST"],[Blockly.Msg.LISTS_GET_INDEX_RANDOM,"RANDOM"]];this.setHelpUrl(Blockly.Msg.LISTS_SET_INDEX_HELPURL);this.setColour(Blockly.Blocks.lists.HUE);this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_SET_INDEX_INPUT_IN_LIST);
 this.appendDummyInput().appendField(new Blockly.FieldDropdown(a),"MODE").appendField("","SPACE");this.appendDummyInput("AT");this.appendValueInput("TO").appendField(Blockly.Msg.LISTS_SET_INDEX_INPUT_TO);this.setInputsInline(!0);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setTooltip(Blockly.Msg.LISTS_SET_INDEX_TOOLTIP);this.updateAt_(!0);var b=this;this.setTooltip(function(){var a=b.getFieldValue("MODE"),e=b.getFieldValue("WHERE"),d="";switch(a+" "+e){case "SET FROM_START":case "SET FROM_END":d=
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM;break;case "SET FIRST":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FIRST;break;case "SET LAST":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST;break;case "SET RANDOM":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM;break;case "INSERT FROM_START":case "INSERT FROM_END":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM;break;case "INSERT FIRST":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST;break;case "INSERT LAST":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_LAST;
-break;case "INSERT RANDOM":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM}"FROM_START"==e?d+="  "+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"#1":"#0"):"FROM_END"==e&&(d+="  "+Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP.replace("%1","#1"));return d})},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");
-this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.moveInputBefore("AT",
-"TO");this.getInput("ORDINAL")&&this.moveInputBefore("ORDINAL","TO");this.getInput("AT").appendField(b,"WHERE")}};
+break;case "INSERT RANDOM":d=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM}if("FROM_START"==e||"FROM_END"==e)d+="  "+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"#1":"#0");return d})},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT");
+this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.moveInputBefore("AT","TO");this.getInput("ORDINAL")&&this.moveInputBefore("ORDINAL",
+"TO");this.getInput("AT").appendField(b,"WHERE")}};
 Blockly.Blocks.lists_getSublist={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.LISTS_GET_SUBLIST_HELPURL);this.setColour(Blockly.Blocks.lists.HUE);
 this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_SUBLIST_INPUT_IN_LIST);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_SUBLIST_TAIL);this.setInputsInline(!0);this.setOutput(!0,"Array");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT1").type==
 Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
@@ -64,7 +64,7 @@ Blockly.Blocks.controls_repeat={init:function(){this.jsonInit({message0:Blockly.
 Blockly.Blocks.controls_whileUntil={init:function(){var a=[[Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_WHILE,"WHILE"],[Blockly.Msg.CONTROLS_WHILEUNTIL_OPERATOR_UNTIL,"UNTIL"]];this.setHelpUrl(Blockly.Msg.CONTROLS_WHILEUNTIL_HELPURL);this.setColour(Blockly.Blocks.loops.HUE);this.appendValueInput("BOOL").setCheck("Boolean").appendField(new Blockly.FieldDropdown(a),"MODE");this.appendStatementInput("DO").appendField(Blockly.Msg.CONTROLS_WHILEUNTIL_INPUT_DO);this.setPreviousStatement(!0);this.setNextStatement(!0);
 var b=this;this.setTooltip(function(){var a=b.getFieldValue("MODE");return{WHILE:Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_WHILE,UNTIL:Blockly.Msg.CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL}[a]})}};
 Blockly.Blocks.controls_for={init:function(){this.jsonInit({message0:Blockly.Msg.CONTROLS_FOR_TITLE,args0:[{type:"field_variable",name:"VAR",variable:null},{type:"input_value",name:"FROM",check:"Number",align:"RIGHT"},{type:"input_value",name:"TO",check:"Number",align:"RIGHT"},{type:"input_value",name:"BY",check:"Number",align:"RIGHT"}],inputsInline:!0,previousStatement:null,nextStatement:null,colour:Blockly.Blocks.loops.HUE,helpUrl:Blockly.Msg.CONTROLS_FOR_HELPURL});this.appendStatementInput("DO").appendField(Blockly.Msg.CONTROLS_FOR_INPUT_DO);
-var a=this;this.setTooltip(function(){return Blockly.Msg.CONTROLS_FOR_TOOLTIP.replace("%1",a.getFieldValue("VAR"))})},customContextMenu:function(a){if(!this.isCollapsed()){var b={enabled:!0},c=this.getFieldValue("VAR");b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c);c=goog.dom.createDom("field",null,c);c.setAttribute("name","VAR");c=goog.dom.createDom("block",null,c);c.setAttribute("type","variables_get");b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b)}}};
+var a=this;this.setTooltip(function(){return Blockly.Msg.CONTROLS_FOR_TOOLTIP.replace("%1",a.getFieldValue("VAR"))})},customContextMenu:function(a){if(!this.isCollapsed()){var b={enabled:!0},c=this.getFieldValue("VAR");b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c);c=goog.dom.createUntypedDom("field",null,c);c.setAttribute("name","VAR");c=goog.dom.createUntypedDom("block",null,c);c.setAttribute("type","variables_get");b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b)}}};
 Blockly.Blocks.controls_forEach={init:function(){this.jsonInit({message0:Blockly.Msg.CONTROLS_FOREACH_TITLE,args0:[{type:"field_variable",name:"VAR",variable:null},{type:"input_value",name:"LIST",check:"Array"}],previousStatement:null,nextStatement:null,colour:Blockly.Blocks.loops.HUE,helpUrl:Blockly.Msg.CONTROLS_FOREACH_HELPURL});this.appendStatementInput("DO").appendField(Blockly.Msg.CONTROLS_FOREACH_INPUT_DO);var a=this;this.setTooltip(function(){return Blockly.Msg.CONTROLS_FOREACH_TOOLTIP.replace("%1",
 a.getFieldValue("VAR"))})},customContextMenu:Blockly.Blocks.controls_for.customContextMenu};
 Blockly.Blocks.controls_flow_statements={init:function(){var a=[[Blockly.Msg.CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK,"BREAK"],[Blockly.Msg.CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE,"CONTINUE"]];this.setHelpUrl(Blockly.Msg.CONTROLS_FLOW_STATEMENTS_HELPURL);this.setColour(Blockly.Blocks.loops.HUE);this.appendDummyInput().appendField(new Blockly.FieldDropdown(a),"FLOW");this.setPreviousStatement(!0);var b=this;this.setTooltip(function(){var a=b.getFieldValue("FLOW");return{BREAK:Blockly.Msg.CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK,
@@ -94,8 +94,8 @@ this.getFieldValue("NAME"));for(var c=0;c<this.arguments_.length;c++){var e=docu
 this.setStatements_("false"!==a.getAttribute("statements"))},decompose:function(a){var b=a.newBlock("procedures_mutatorcontainer");b.initSvg();this.getInput("RETURN")?b.setFieldValue(this.hasStatements_?"TRUE":"FALSE","STATEMENTS"):b.getInput("STATEMENT_INPUT").setVisible(!1);for(var c=b.getInput("STACK").connection,e=0;e<this.arguments_.length;e++){var d=a.newBlock("procedures_mutatorarg");d.initSvg();d.setFieldValue(this.arguments_[e],"NAME");d.oldLocation=e;c.connect(d.previousConnection);c=d.nextConnection}Blockly.Procedures.mutateCallers(this);
 return b},compose:function(a){this.arguments_=[];this.paramIds_=[];for(var b=a.getInputTargetBlock("STACK");b;)this.arguments_.push(b.getFieldValue("NAME")),this.paramIds_.push(b.id),b=b.nextConnection&&b.nextConnection.targetBlock();this.updateParams_();Blockly.Procedures.mutateCallers(this);a=a.getFieldValue("STATEMENTS");if(null!==a&&(a="TRUE"==a,this.hasStatements_!=a))if(a)this.setStatements_(!0),Blockly.Mutator.reconnect(this.statementConnection_,this,"STACK"),this.statementConnection_=null;
 else{a=this.getInput("STACK").connection;if(this.statementConnection_=a.targetConnection)a=a.targetBlock(),a.unplug(),a.bumpNeighbours_();this.setStatements_(!1)}},getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!1]},getVars:function(){return this.arguments_},renameVar:function(a,b){for(var c=!1,e=0;e<this.arguments_.length;e++)Blockly.Names.equals(a,this.arguments_[e])&&(this.arguments_[e]=b,c=!0);if(c&&(this.updateParams_(),this.mutator.isVisible()))for(var c=this.mutator.workspace_.getAllBlocks(),
-e=0,d;d=c[e];e++)"procedures_mutatorarg"==d.type&&Blockly.Names.equals(a,d.getFieldValue("NAME"))&&d.setFieldValue(b,"NAME")},customContextMenu:function(a){var b={enabled:!0},c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var e=goog.dom.createDom("mutation");e.setAttribute("name",c);for(var d=0;d<this.arguments_.length;d++)c=goog.dom.createDom("arg"),c.setAttribute("name",this.arguments_[d]),e.appendChild(c);e=goog.dom.createDom("block",null,e);e.setAttribute("type",
-this.callType_);b.callback=Blockly.ContextMenu.callbackFactory(this,e);a.push(b);if(!this.isCollapsed())for(d=0;d<this.arguments_.length;d++)b={enabled:!0},c=this.arguments_[d],b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c),e=goog.dom.createDom("field",null,c),e.setAttribute("name","VAR"),e=goog.dom.createDom("block",null,e),e.setAttribute("type","variables_get"),b.callback=Blockly.ContextMenu.callbackFactory(this,e),a.push(b)},callType_:"procedures_callnoreturn"};
+e=0,d;d=c[e];e++)"procedures_mutatorarg"==d.type&&Blockly.Names.equals(a,d.getFieldValue("NAME"))&&d.setFieldValue(b,"NAME")},customContextMenu:function(a){var b={enabled:!0},c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var e=goog.dom.createUntypedDom("mutation");e.setAttribute("name",c);for(var d=0;d<this.arguments_.length;d++)c=goog.dom.createUntypedDom("arg"),c.setAttribute("name",this.arguments_[d]),e.appendChild(c);e=goog.dom.createUntypedDom("block",null,
+e);e.setAttribute("type",this.callType_);b.callback=Blockly.ContextMenu.callbackFactory(this,e);a.push(b);if(!this.isCollapsed())for(d=0;d<this.arguments_.length;d++)b={enabled:!0},c=this.arguments_[d],b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c),e=goog.dom.createUntypedDom("field",null,c),e.setAttribute("name","VAR"),e=goog.dom.createUntypedDom("block",null,e),e.setAttribute("type","variables_get"),b.callback=Blockly.ContextMenu.callbackFactory(this,e),a.push(b)},callType_:"procedures_callnoreturn"};
 Blockly.Blocks.procedures_defreturn={init:function(){var a=new Blockly.FieldTextInput(Blockly.Msg.PROCEDURES_DEFRETURN_PROCEDURE,Blockly.Procedures.rename);a.setSpellcheck(!1);this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_DEFRETURN_TITLE).appendField(a,"NAME").appendField("","PARAMS");this.appendValueInput("RETURN").setAlign(Blockly.ALIGN_RIGHT).appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setMutator(new Blockly.Mutator(["procedures_mutatorarg"]));Blockly.Msg.PROCEDURES_DEFRETURN_COMMENT&&
 this.setCommentText(Blockly.Msg.PROCEDURES_DEFRETURN_COMMENT);this.setColour(Blockly.Blocks.procedures.HUE);this.setTooltip(Blockly.Msg.PROCEDURES_DEFRETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_DEFRETURN_HELPURL);this.arguments_=[];this.setStatements_(!0);this.statementConnection_=null},setStatements_:Blockly.Blocks.procedures_defnoreturn.setStatements_,updateParams_:Blockly.Blocks.procedures_defnoreturn.updateParams_,mutationToDom:Blockly.Blocks.procedures_defnoreturn.mutationToDom,domToMutation:Blockly.Blocks.procedures_defnoreturn.domToMutation,
 decompose:Blockly.Blocks.procedures_defnoreturn.decompose,compose:Blockly.Blocks.procedures_defnoreturn.compose,getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!0]},getVars:Blockly.Blocks.procedures_defnoreturn.getVars,renameVar:Blockly.Blocks.procedures_defnoreturn.renameVar,customContextMenu:Blockly.Blocks.procedures_defnoreturn.customContextMenu,callType_:"procedures_callreturn"};
@@ -107,9 +107,9 @@ this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},a.join("\n")==t
 this.quarkIds_[d],e in this.quarkConnections_&&(f=this.quarkConnections_[e],Blockly.Mutator.reconnect(f,this,"ARG"+d)||delete this.quarkConnections_[e]);(this.rendered=c)&&this.render()}},updateShape_:function(){for(var a=0;a<this.arguments_.length;a++){var b=this.getField("ARGNAME"+a);if(b){Blockly.Events.disable();try{b.setValue(this.arguments_[a])}finally{Blockly.Events.enable()}}else b=new Blockly.FieldLabel(this.arguments_[a]),this.appendValueInput("ARG"+a).setAlign(Blockly.ALIGN_RIGHT).appendField(b,
 "ARGNAME"+a).init()}for(;this.getInput("ARG"+a);)this.removeInput("ARG"+a),a++;if(a=this.getInput("TOPROW"))this.arguments_.length?this.getField("WITH")||(a.appendField(Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS,"WITH"),a.init()):this.getField("WITH")&&a.removeField("WITH")},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("name",this.getProcedureCall());for(var b=0;b<this.arguments_.length;b++){var c=document.createElement("arg");c.setAttribute("name",this.arguments_[b]);
 a.appendChild(c)}return a},domToMutation:function(a){var b=a.getAttribute("name");this.renameProcedure(this.getProcedureCall(),b);for(var b=[],c=[],e=0,d;d=a.childNodes[e];e++)"arg"==d.nodeName.toLowerCase()&&(b.push(d.getAttribute("name")),c.push(d.getAttribute("paramId")));this.setProcedureParameters_(b,c)},renameVar:function(a,b){for(var c=0;c<this.arguments_.length;c++)Blockly.Names.equals(a,this.arguments_[c])&&(this.arguments_[c]=b,this.getField("ARGNAME"+c).setValue(b))},onchange:function(a){if(this.workspace&&
-!this.workspace.isFlyout)if(a.type==Blockly.Events.CREATE&&-1!=a.ids.indexOf(this.id)){var b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace);!b||b.type==this.defType_&&JSON.stringify(b.arguments_)==JSON.stringify(this.arguments_)||(b=null);if(!b){Blockly.Events.setGroup(a.group);a=goog.dom.createDom("xml");b=goog.dom.createDom("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),e=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",c.x+Blockly.SNAP_RADIUS*
-(this.RTL?-1:1));b.setAttribute("y",e);c=this.mutationToDom();b.appendChild(c);c=goog.dom.createDom("field");c.setAttribute("name","NAME");c.appendChild(document.createTextNode(this.getProcedureCall()));b.appendChild(c);a.appendChild(b);Blockly.Xml.domToWorkspace(a,this.workspace);Blockly.Events.setGroup(!1)}}else a.type==Blockly.Events.DELETE&&(b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace),b||(Blockly.Events.setGroup(a.group),this.dispose(!0,!1),Blockly.Events.setGroup(!1)))},
-customContextMenu:function(a){var b={enabled:!0};b.text=Blockly.Msg.PROCEDURES_HIGHLIGHT_DEF;var c=this.getProcedureCall(),e=this.workspace;b.callback=function(){var a=Blockly.Procedures.getDefinition(c,e);a&&a.select()};a.push(b)},defType_:"procedures_defnoreturn"};
+!this.workspace.isFlyout)if(a.type==Blockly.Events.CREATE&&-1!=a.ids.indexOf(this.id)){var b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace);!b||b.type==this.defType_&&JSON.stringify(b.arguments_)==JSON.stringify(this.arguments_)||(b=null);if(!b){Blockly.Events.setGroup(a.group);a=goog.dom.createUntypedDom("xml");b=goog.dom.createUntypedDom("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),e=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",
+c.x+Blockly.SNAP_RADIUS*(this.RTL?-1:1));b.setAttribute("y",e);c=this.mutationToDom();b.appendChild(c);c=goog.dom.createUntypedDom("field");c.setAttribute("name","NAME");c.appendChild(document.createTextNode(this.getProcedureCall()));b.appendChild(c);a.appendChild(b);Blockly.Xml.domToWorkspace(a,this.workspace);Blockly.Events.setGroup(!1)}}else a.type==Blockly.Events.DELETE&&(b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,this.workspace),b||(Blockly.Events.setGroup(a.group),this.dispose(!0,
+!1),Blockly.Events.setGroup(!1)))},customContextMenu:function(a){var b={enabled:!0};b.text=Blockly.Msg.PROCEDURES_HIGHLIGHT_DEF;var c=this.getProcedureCall(),e=this.workspace;b.callback=function(){var a=Blockly.Procedures.getDefinition(c,e);a&&a.select()};a.push(b)},defType_:"procedures_defnoreturn"};
 Blockly.Blocks.procedures_callreturn={init:function(){this.appendDummyInput("TOPROW").appendField("","NAME");this.setOutput(!0);this.setColour(Blockly.Blocks.procedures.HUE);this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL);this.arguments_=[];this.quarkConnections_={};this.quarkIds_=null},getProcedureCall:Blockly.Blocks.procedures_callnoreturn.getProcedureCall,renameProcedure:Blockly.Blocks.procedures_callnoreturn.renameProcedure,setProcedureParameters_:Blockly.Blocks.procedures_callnoreturn.setProcedureParameters_,
 updateShape_:Blockly.Blocks.procedures_callnoreturn.updateShape_,mutationToDom:Blockly.Blocks.procedures_callnoreturn.mutationToDom,domToMutation:Blockly.Blocks.procedures_callnoreturn.domToMutation,renameVar:Blockly.Blocks.procedures_callnoreturn.renameVar,onchange:Blockly.Blocks.procedures_callnoreturn.onchange,customContextMenu:Blockly.Blocks.procedures_callnoreturn.customContextMenu,defType_:"procedures_defreturn"};
 Blockly.Blocks.procedures_ifreturn={init:function(){this.appendValueInput("CONDITION").setCheck("Boolean").appendField(Blockly.Msg.CONTROLS_IF_MSG_IF);this.appendValueInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setInputsInline(!0);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setColour(Blockly.Blocks.procedures.HUE);this.setTooltip(Blockly.Msg.PROCEDURES_IFRETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_IFRETURN_HELPURL);this.hasReturnValue_=!0},
@@ -129,8 +129,9 @@ Blockly.Blocks.text_isEmpty={init:function(){this.jsonInit({message0:Blockly.Msg
 Blockly.Blocks.text_indexOf={init:function(){var a=[[Blockly.Msg.TEXT_INDEXOF_OPERATOR_FIRST,"FIRST"],[Blockly.Msg.TEXT_INDEXOF_OPERATOR_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.TEXT_INDEXOF_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);this.setOutput(!0,"Number");this.appendValueInput("VALUE").setCheck("String").appendField(Blockly.Msg.TEXT_INDEXOF_INPUT_INTEXT);this.appendValueInput("FIND").setCheck("String").appendField(new Blockly.FieldDropdown(a),"END");Blockly.Msg.TEXT_INDEXOF_TAIL&&this.appendDummyInput().appendField(Blockly.Msg.TEXT_INDEXOF_TAIL);
 this.setInputsInline(!0);a=Blockly.Msg.TEXT_INDEXOF_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"0":"-1");this.setTooltip(a)}};
 Blockly.Blocks.text_charAt={init:function(){this.WHERE_OPTIONS=[[Blockly.Msg.TEXT_CHARAT_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_CHARAT_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_CHARAT_FIRST,"FIRST"],[Blockly.Msg.TEXT_CHARAT_LAST,"LAST"],[Blockly.Msg.TEXT_CHARAT_RANDOM,"RANDOM"]];this.setHelpUrl(Blockly.Msg.TEXT_CHARAT_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);this.setOutput(!0,"String");this.appendValueInput("VALUE").setCheck("String").appendField(Blockly.Msg.TEXT_CHARAT_INPUT_INTEXT);this.appendDummyInput("AT");
-this.setInputsInline(!0);this.updateAt_(!0);this.setTooltip(Blockly.Msg.TEXT_CHARAT_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
-this.appendDummyInput("AT");Blockly.Msg.TEXT_CHARAT_TAIL&&(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_CHARAT_TAIL));var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.getInput("AT").appendField(b,"WHERE")}};
+this.setInputsInline(!0);this.updateAt_(!0);var a=this;this.setTooltip(function(){var b=a.getFieldValue("WHERE"),c=Blockly.Msg.TEXT_CHARAT_TOOLTIP;if("FROM_START"==b||"FROM_END"==b)c+="  "+Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP.replace("%1",Blockly.Blocks.ONE_BASED_INDEXING?"#1":"#0");return c})},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");
+this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");Blockly.Msg.TEXT_CHARAT_TAIL&&(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_CHARAT_TAIL));var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(b){var e="FROM_START"==
+b||"FROM_END"==b;if(e!=a){var d=this.sourceBlock_;d.updateAt_(e);d.setFieldValue(b,"WHERE");return null}});this.getInput("AT").appendField(b,"WHERE")}};
 Blockly.Blocks.text_getSubstring={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.TEXT_GET_SUBSTRING_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);
 this.appendValueInput("STRING").setCheck("String").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_INPUT_IN_TEXT);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL);this.setInputsInline(!0);this.setOutput(!0,"String");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.TEXT_GET_SUBSTRING_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),
 b=this.getInput("AT1").type==Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
@@ -143,5 +144,5 @@ updateType_:function(a){this.outputConnection.setCheck("NUMBER"==a?"Number":"Str
 Blockly.Blocks.text_prompt={init:function(){var a=[[Blockly.Msg.TEXT_PROMPT_TYPE_TEXT,"TEXT"],[Blockly.Msg.TEXT_PROMPT_TYPE_NUMBER,"NUMBER"]],b=this;this.setHelpUrl(Blockly.Msg.TEXT_PROMPT_HELPURL);this.setColour(Blockly.Blocks.texts.HUE);a=new Blockly.FieldDropdown(a,function(a){b.updateType_(a)});this.appendDummyInput().appendField(a,"TYPE").appendField(this.newQuote_(!0)).appendField(new Blockly.FieldTextInput(""),"TEXT").appendField(this.newQuote_(!1));this.setOutput(!0,"String");this.setTooltip(function(){return"TEXT"==
 b.getFieldValue("TYPE")?Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT:Blockly.Msg.TEXT_PROMPT_TOOLTIP_NUMBER})},newQuote_:Blockly.Blocks.text.newQuote_,updateType_:Blockly.Blocks.text_prompt_ext.updateType_,mutationToDom:Blockly.Blocks.text_prompt_ext.mutationToDom,domToMutation:Blockly.Blocks.text_prompt_ext.domToMutation};Blockly.Blocks.variables={};Blockly.Blocks.variables.HUE=330;
 Blockly.Blocks.variables_get={init:function(){this.setHelpUrl(Blockly.Msg.VARIABLES_GET_HELPURL);this.setColour(Blockly.Blocks.variables.HUE);this.appendDummyInput().appendField(new Blockly.FieldVariable(Blockly.Msg.VARIABLES_DEFAULT_NAME),"VAR");this.setOutput(!0);this.setTooltip(Blockly.Msg.VARIABLES_GET_TOOLTIP);this.contextMenuMsg_=Blockly.Msg.VARIABLES_GET_CREATE_SET},contextMenuType_:"variables_set",customContextMenu:function(a){var b={enabled:!0},c=this.getFieldValue("VAR");b.text=this.contextMenuMsg_.replace("%1",
-c);c=goog.dom.createDom("field",null,c);c.setAttribute("name","VAR");c=goog.dom.createDom("block",null,c);c.setAttribute("type",this.contextMenuType_);b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b)}};
+c);c=goog.dom.createUntypedDom("field",null,c);c.setAttribute("name","VAR");c=goog.dom.createUntypedDom("block",null,c);c.setAttribute("type",this.contextMenuType_);b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b)}};
 Blockly.Blocks.variables_set={init:function(){this.jsonInit({message0:Blockly.Msg.VARIABLES_SET,args0:[{type:"field_variable",name:"VAR",variable:Blockly.Msg.VARIABLES_DEFAULT_NAME},{type:"input_value",name:"VALUE"}],previousStatement:null,nextStatement:null,colour:Blockly.Blocks.variables.HUE,tooltip:Blockly.Msg.VARIABLES_SET_TOOLTIP,helpUrl:Blockly.Msg.VARIABLES_SET_HELPURL});this.contextMenuMsg_=Blockly.Msg.VARIABLES_SET_CREATE_GET},contextMenuType_:"variables_get",customContextMenu:Blockly.Blocks.variables_get.customContextMenu};
\ No newline at end of file
diff --git a/core/field.js b/core/field.js
index 9060e8532..95a00fd99 100644
--- a/core/field.js
+++ b/core/field.js
@@ -185,7 +185,7 @@ Blockly.Field.prototype.updateEditable = function() {
     Blockly.addClass_(/** @type {!Element} */ (this.fieldGroup_),
                       'blocklyEditableText');
     Blockly.removeClass_(/** @type {!Element} */ (this.fieldGroup_),
-                         'blocklyNoNEditableText');
+                         'blocklyNonEditableText');
     this.fieldGroup_.style.cursor = this.CURSOR;
   } else {
     Blockly.addClass_(/** @type {!Element} */ (this.fieldGroup_),
diff --git a/dart_compressed.js b/dart_compressed.js
index 20a2cafa1..268a1b6d6 100644
--- a/dart_compressed.js
+++ b/dart_compressed.js
@@ -9,8 +9,8 @@ Blockly.Dart.ORDER_CASCADE=15;Blockly.Dart.ORDER_ASSIGNMENT=16;Blockly.Dart.ORDE
 Blockly.Dart.init=function(a){Blockly.Dart.definitions_=Object.create(null);Blockly.Dart.functionNames_=Object.create(null);Blockly.Dart.variableDB_?Blockly.Dart.variableDB_.reset():Blockly.Dart.variableDB_=new Blockly.Names(Blockly.Dart.RESERVED_WORDS_);var b=[];a=Blockly.Variables.allVariables(a);if(a.length){for(var c=0;c<a.length;c++)b[c]=Blockly.Dart.variableDB_.getName(a[c],Blockly.Variables.NAME_TYPE);Blockly.Dart.definitions_.variables="var "+b.join(", ")+";"}};
 Blockly.Dart.finish=function(a){a&&(a=Blockly.Dart.prefixLines(a,Blockly.Dart.INDENT));a="main() {\n"+a+"}";var b=[],c=[],d;for(d in Blockly.Dart.definitions_){var e=Blockly.Dart.definitions_[d];e.match(/^import\s/)?b.push(e):c.push(e)}delete Blockly.Dart.definitions_;delete Blockly.Dart.functionNames_;Blockly.Dart.variableDB_.reset();return(b.join("\n")+"\n\n"+c.join("\n\n")).replace(/\n\n+/g,"\n\n").replace(/\n*$/,"\n\n\n")+a};Blockly.Dart.scrubNakedValue=function(a){return a+";\n"};
 Blockly.Dart.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/\$/g,"\\$").replace(/'/g,"\\'");return"'"+a+"'"};
-Blockly.Dart.scrub_=function(a,b){var c="";if(!a.outputConnection||!a.outputConnection.targetConnection){var d=a.getCommentText();d&&(c=a.getProcedureDef?c+Blockly.Dart.prefixLines(d+"\n","/// "):c+Blockly.Dart.prefixLines(d+"\n","// "));for(var e=0;e<a.inputList.length;e++)a.inputList[e].type==Blockly.INPUT_VALUE&&(d=a.inputList[e].connection.targetBlock())&&(d=Blockly.Dart.allNestedComments(d))&&(c+=Blockly.Dart.prefixLines(d,"// "))}e=a.nextConnection&&a.nextConnection.targetBlock();e=Blockly.Dart.blockToCode(e);
-return c+b+e};
+Blockly.Dart.scrub_=function(a,b){var c="";if(!a.outputConnection||!a.outputConnection.targetConnection){var d=a.getCommentText();(d=Blockly.utils.wrap(d,Blockly.Dart.COMMENT_WRAP-3))&&(c=a.getProcedureDef?c+Blockly.Dart.prefixLines(d+"\n","/// "):c+Blockly.Dart.prefixLines(d+"\n","// "));for(var e=0;e<a.inputList.length;e++)a.inputList[e].type==Blockly.INPUT_VALUE&&(d=a.inputList[e].connection.targetBlock())&&(d=Blockly.Dart.allNestedComments(d))&&(c+=Blockly.Dart.prefixLines(d,"// "))}e=a.nextConnection&&
+a.nextConnection.targetBlock();e=Blockly.Dart.blockToCode(e);return c+b+e};
 Blockly.Dart.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.Dart.ORDER_NONE;Blockly.Dart.ONE_BASED_INDEXING&&c--;var f=Blockly.Dart.ONE_BASED_INDEXING?"1":"0";a=c?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_ADDITIVE)||f:d?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_UNARY_PREFIX)||f:Blockly.Dart.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseInt(a,10)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.Dart.ORDER_ADDITIVE}else 0>c&&(a=a+" - "+-c,g=Blockly.Dart.ORDER_ADDITIVE);d&&(a=
 c?"-("+a+")":"-"+a,g=Blockly.Dart.ORDER_UNARY_PREFIX);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.Dart.colour={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.Dart.ORDER_ATOMIC]};
 Blockly.Dart.colour_random=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_random",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"() {","  String hex = '0123456789abcdef';","  var rnd = new Math.Random();","  return '#${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}';","}"])+"()",Blockly.Dart.ORDER_UNARY_POSTFIX]};
diff --git a/msg/js/es.js b/msg/js/es.js
index a6c685bf7..6e17013cc 100644
--- a/msg/js/es.js
+++ b/msg/js/es.js
@@ -90,15 +90,15 @@ Blockly.Msg.LISTS_GET_INDEX_RANDOM = "aleatorio";
 Blockly.Msg.LISTS_GET_INDEX_REMOVE = "eliminar";
 Blockly.Msg.LISTS_GET_INDEX_TAIL = "";  // untranslated
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FIRST = "Devuelve el primer elemento de una lista.";
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM = "Devuelve el elemento en la posición especificada en la lista.";
+Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM = "Devuelve el elemento en la posición especificada en una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_LAST = "Devuelve el último elemento de una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_RANDOM = "Devuelve un elemento aleatorio en una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST = "Elimina y devuelve el primer elemento de una lista.";
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM = "Elimina y devuelve el elemento en la posición especificada en la lista.";
+Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM = "Elimina y devuelve el elemento en la posición especificada en una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST = "Elimina y devuelve el último elemento de una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM = "Elimina y devuelve un elemento aleatorio en una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST = "Elimina el primer elemento de una lista.";
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM = "Elimina el elemento en la posición especificada en la lista.";
+Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM = "Elimina el elemento en la posición especificada en una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST = "Elimina el último elemento de una lista.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM = "Elimina un elemento aleatorio en una lista.";
 Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_END = "hasta # del final";
@@ -131,7 +131,7 @@ Blockly.Msg.LISTS_SET_INDEX_INPUT_TO = "como";
 Blockly.Msg.LISTS_SET_INDEX_INSERT = "insertar en";
 Blockly.Msg.LISTS_SET_INDEX_SET = "establecer";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST = "Inserta el elemento al inicio de una lista.";
-Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "Inserta el elemento en la posición especificada en la lista.";
+Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "Inserta el elemento en la posición especificada en una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_LAST = "Añade el elemento al final de una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM = "Inserta el elemento aleatoriamente en una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FIRST = "Establece el primer elemento de una lista.";
diff --git a/msg/js/he.js b/msg/js/he.js
index 5b960bd8e..f179e1074 100644
--- a/msg/js/he.js
+++ b/msg/js/he.js
@@ -115,7 +115,7 @@ Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 הוא הפריט הראשון.
 Blockly.Msg.LISTS_INDEX_OF_FIRST = "מחזירה את המיקום הראשון של פריט ברשימה";
 Blockly.Msg.LISTS_INDEX_OF_HELPURL = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
 Blockly.Msg.LISTS_INDEX_OF_LAST = "מחזירה את המיקום האחרון של פריט ברשימה";
-Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "מחזירה את האינדקס של המופע ראשון/אחרון של הפריט ברשימה.  מחזירה %1 אם הפריט אינו נמצא.";
+Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "מחזירה את האינדקס של המופע הראשון/האחרון של הפריט ברשימה.  מחזירה %1 אם הפריט אינו נמצא.";
 Blockly.Msg.LISTS_INLIST = "ברשימה";
 Blockly.Msg.LISTS_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
 Blockly.Msg.LISTS_ISEMPTY_TITLE = "%1 הוא ריק";
@@ -331,7 +331,7 @@ Blockly.Msg.TEXT_INDEXOF_INPUT_INTEXT = "in text";  // untranslated
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_FIRST = "find first occurrence of text";  // untranslated
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_LAST = "find last occurrence of text";  // untranslated
 Blockly.Msg.TEXT_INDEXOF_TAIL = "";  // untranslated
-Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
+Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "מחזירה את האינדקס של המופע הראשון/האחרון בטקסט הראשון לתוך הטקסט השני. מחזירה %1 אם הטקסט אינו נמצא.";
 Blockly.Msg.TEXT_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
 Blockly.Msg.TEXT_ISEMPTY_TITLE = "%1 is empty";  // untranslated
 Blockly.Msg.TEXT_ISEMPTY_TOOLTIP = "Returns true if the provided text is empty.";  // untranslated
diff --git a/msg/js/hu.js b/msg/js/hu.js
index 1ed3c30ce..0657342b0 100644
--- a/msg/js/hu.js
+++ b/msg/js/hu.js
@@ -115,7 +115,7 @@ Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 az első elemet jelenti.";
 Blockly.Msg.LISTS_INDEX_OF_FIRST = "listában első előfordulásaː";
 Blockly.Msg.LISTS_INDEX_OF_HELPURL = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
 Blockly.Msg.LISTS_INDEX_OF_LAST = "listában utolsó előfordulásaː";
-Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "A megadott elem első vagy utolsó előfordulásával tér vissza. %1-val tér vissza, ha nem talál ilyen elemet.";
+Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "A megadott elem első vagy utolsó előfordulásával tér vissza. Ha nem talál ilyen elemet, akkor %1 a visszatérési érték.";
 Blockly.Msg.LISTS_INLIST = "A(z)";
 Blockly.Msg.LISTS_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
 Blockly.Msg.LISTS_ISEMPTY_TITLE = "%1 üres lista?";
diff --git a/msg/js/ko.js b/msg/js/ko.js
index 9029ab9d1..6ea31196e 100644
--- a/msg/js/ko.js
+++ b/msg/js/ko.js
@@ -115,7 +115,7 @@ Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1은 첫 번째 항목입니다."
 Blockly.Msg.LISTS_INDEX_OF_FIRST = "처음으로 나타난 위치";
 Blockly.Msg.LISTS_INDEX_OF_HELPURL = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
 Blockly.Msg.LISTS_INDEX_OF_LAST = "마지막으로 나타난 위치";
-Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "아이템이 나타난 처음 또는 마지막 위치를 찾아 돌려줍니다. 아이템이 없으면 %1이 반환됩니다.";
+Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = "목록에서 항목이 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 항목이 없으면 %1을 반환합니다.";
 Blockly.Msg.LISTS_INLIST = "리스트";
 Blockly.Msg.LISTS_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#is-empty";
 Blockly.Msg.LISTS_ISEMPTY_TITLE = "%1이 비어 있습니다";
@@ -131,7 +131,7 @@ Blockly.Msg.LISTS_SET_INDEX_INPUT_TO = "에";
 Blockly.Msg.LISTS_SET_INDEX_INSERT = "에서 원하는 위치에 삽입";
 Blockly.Msg.LISTS_SET_INDEX_SET = "에서 설정";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST = "항목을 목록의 처음 위치에 삽입합니다.";
-Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "아이템을 리스트의 특정 위치에 삽입합니다.";
+Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "목록의 특정 위치에 항목을 삽입합니다.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_LAST = "리스트의 마지막에 아이템을 추가합니다.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM = "목록에서 임의 위치에 아이템을 삽입합니다.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FIRST = "첫 번째 위치의 아이템으로 설정합니다.";
@@ -331,7 +331,7 @@ Blockly.Msg.TEXT_INDEXOF_INPUT_INTEXT = "문장";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_FIRST = "에서 다음 문장이 처음으로 나타난 위치 찾기 :";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_LAST = "에서 다음 문장이 마지막으로 나타난 위치 찾기 :";
 Blockly.Msg.TEXT_INDEXOF_TAIL = "";
-Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "어떤 문장이 가장 처음 나타난 위치 또는, 가장 마지막으로 나타난 위치를 찾아 돌려줍니다. 찾는 문장이 없는 경우는 %1 값을 돌려줌.";
+Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "두 번째 텍스트에서 첫 번째 텍스트가 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 텍스트가 없으면 %1을 반환합니다.";
 Blockly.Msg.TEXT_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
 Blockly.Msg.TEXT_ISEMPTY_TITLE = "%1이 비어 있습니다";
 Blockly.Msg.TEXT_ISEMPTY_TOOLTIP = "입력된 문장이, 빈 문장(\"\")이면 참(true) 값을 돌려줍니다.";
diff --git a/msg/js/lb.js b/msg/js/lb.js
index 933ad837b..cefb39cfe 100644
--- a/msg/js/lb.js
+++ b/msg/js/lb.js
@@ -110,8 +110,8 @@ Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_END = "get sub-list from # from end";
 Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_START = "get sub-list from #";  // untranslated
 Blockly.Msg.LISTS_GET_SUBLIST_TAIL = "";  // untranslated
 Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP = "%1 is the last item.";  // untranslated
-Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 is the first item.";  // untranslated
+Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP = "%1 ass dat éischt Element.";
+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 ass dat éischt Element.";
 Blockly.Msg.LISTS_INDEX_OF_FIRST = "find first occurrence of item";  // untranslated
 Blockly.Msg.LISTS_INDEX_OF_HELPURL = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
 Blockly.Msg.LISTS_INDEX_OF_LAST = "find last occurrence of item";  // untranslated
diff --git a/msg/js/lt.js b/msg/js/lt.js
index 79fdbb228..540291b0f 100644
--- a/msg/js/lt.js
+++ b/msg/js/lt.js
@@ -90,7 +90,7 @@ Blockly.Msg.LISTS_GET_INDEX_RANDOM = "atsitiktinis";
 Blockly.Msg.LISTS_GET_INDEX_REMOVE = "pašalinti";
 Blockly.Msg.LISTS_GET_INDEX_TAIL = "";  // untranslated
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FIRST = "Grąžina pirmąjį sąrašo elementą.";
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM = "Returns the item at the specified position in a list.";  // untranslated
+Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM = "Gražina objektą į nurodyta poziciją sąraše.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_LAST = "Grąžina paskutinį elementą iš sąrašo.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_RANDOM = "Grąžina atsitiktinį elementą iš sąrašo.";
 Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST = "Removes and returns the first item in a list.";  // untranslated
@@ -110,8 +110,8 @@ Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_END = "sąrašo dalis nuo # nuo galo";
 Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_START = "sąrašo dalis nuo #";
 Blockly.Msg.LISTS_GET_SUBLIST_TAIL = "";  // untranslated
 Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP = "%1 is the last item.";  // untranslated
-Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 is the first item.";  // untranslated
+Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP = "%1 yra paskutinis objektas.";
+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP = "%1 yra pirmasis objektas.";
 Blockly.Msg.LISTS_INDEX_OF_FIRST = "rask pirmą reikšmę";
 Blockly.Msg.LISTS_INDEX_OF_HELPURL = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
 Blockly.Msg.LISTS_INDEX_OF_LAST = "rask paskutinę reikšmę";
@@ -131,7 +131,7 @@ Blockly.Msg.LISTS_SET_INDEX_INPUT_TO = "kaip";
 Blockly.Msg.LISTS_SET_INDEX_INSERT = "įterpk į vietą";
 Blockly.Msg.LISTS_SET_INDEX_SET = "priskirk elementui";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "Inserts the item at the specified position in a list.";  // untranslated
+Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM = "Įterpią objektą į nurodytą poziciją sąraše.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_LAST = "Append the item to the end of a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM = "Inserts the item randomly in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FIRST = "Sets the first item in a list.";  // untranslated
@@ -156,7 +156,7 @@ Blockly.Msg.LOGIC_BOOLEAN_FALSE = "klaidinga";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_TOOLTIP = "Reikšmė gali būti \"teisinga\"/\"Taip\" arba \"klaidinga\"/\"Ne\".";
 Blockly.Msg.LOGIC_BOOLEAN_TRUE = "tiesa";
-Blockly.Msg.LOGIC_COMPARE_HELPURL = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
+Blockly.Msg.LOGIC_COMPARE_HELPURL = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
 Blockly.Msg.LOGIC_COMPARE_TOOLTIP_EQ = "Tenkinama, jei abu reiškiniai lygūs.";
 Blockly.Msg.LOGIC_COMPARE_TOOLTIP_GT = "Return true if the first input is greater than the second input.";  // untranslated
 Blockly.Msg.LOGIC_COMPARE_TOOLTIP_GTE = "Return true if the first input is greater than or equal to the second input.";  // untranslated
@@ -186,10 +186,10 @@ Blockly.Msg.MATH_ARITHMETIC_TOOLTIP_DIVIDE = "Grąžina dviejų skaičių dalmen
 Blockly.Msg.MATH_ARITHMETIC_TOOLTIP_MINUS = "Grąžina dviejų skaičių skirtumą.";
 Blockly.Msg.MATH_ARITHMETIC_TOOLTIP_MULTIPLY = "Grąžina dviejų skaičių sandaugą.";
 Blockly.Msg.MATH_ARITHMETIC_TOOLTIP_POWER = "Grąžina pirmą skaičių pakeltą laipsniu pagal antrą skaičių.";
-Blockly.Msg.MATH_CHANGE_HELPURL = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
+Blockly.Msg.MATH_CHANGE_HELPURL = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
 Blockly.Msg.MATH_CHANGE_TITLE = "padidink %1 (emptypage) %2";
 Blockly.Msg.MATH_CHANGE_TOOLTIP = "Prideda skaičių prie kintamojo '%1'. Kai skaičius neigiamas - gaunasi atimtis.";
-Blockly.Msg.MATH_CONSTANT_HELPURL = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
+Blockly.Msg.MATH_CONSTANT_HELPURL = "https://lt.wikipedia.org/wiki/Matematin%C4%97_konstanta";
 Blockly.Msg.MATH_CONSTANT_TOOLTIP = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
 Blockly.Msg.MATH_CONSTRAIN_HELPURL = "https://en.wikipedia.org/wiki/Clamping_%28graphics%29";  // untranslated
 Blockly.Msg.MATH_CONSTRAIN_TITLE = "apribok %1 tarp %2 ir %3";
@@ -203,7 +203,7 @@ Blockly.Msg.MATH_IS_POSITIVE = "yra teigiamas";
 Blockly.Msg.MATH_IS_PRIME = "yra pirminis";
 Blockly.Msg.MATH_IS_TOOLTIP = "Patikrina skaičiaus savybę: (ne)lyginis/pirminis/sveikasis/teigiamas/neigiamas/dalus iš x.";
 Blockly.Msg.MATH_IS_WHOLE = "yra sveikasis";
-Blockly.Msg.MATH_MODULO_HELPURL = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
+Blockly.Msg.MATH_MODULO_HELPURL = "https://en.wikipedia.org/wiki/Modulo_operation";
 Blockly.Msg.MATH_MODULO_TITLE = "dalybos liekana %1 ÷ %2";
 Blockly.Msg.MATH_MODULO_TOOLTIP = "Return the remainder from dividing the two numbers.";  // untranslated
 Blockly.Msg.MATH_MULTIPLICATION_SYMBOL = "×";  // untranslated
@@ -227,17 +227,17 @@ Blockly.Msg.MATH_ONLIST_TOOLTIP_RANDOM = "Grąžinti atsitiktinį elementą iš
 Blockly.Msg.MATH_ONLIST_TOOLTIP_STD_DEV = "Return the standard deviation of the list.";  // untranslated
 Blockly.Msg.MATH_ONLIST_TOOLTIP_SUM = "didžiausia reikšmė";
 Blockly.Msg.MATH_POWER_SYMBOL = "^";  // untranslated
-Blockly.Msg.MATH_RANDOM_FLOAT_HELPURL = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
+Blockly.Msg.MATH_RANDOM_FLOAT_HELPURL = "https://en.wikipedia.org/wiki/Random_number_generation";
 Blockly.Msg.MATH_RANDOM_FLOAT_TITLE_RANDOM = "atsitiktinė trupmena";
 Blockly.Msg.MATH_RANDOM_FLOAT_TOOLTIP = "Atsitiktinė trupmena nuo 0 (imtinai) iki 1 (neimtinai).";
-Blockly.Msg.MATH_RANDOM_INT_HELPURL = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
+Blockly.Msg.MATH_RANDOM_INT_HELPURL = "https://en.wikipedia.org/wiki/Random_number_generation";
 Blockly.Msg.MATH_RANDOM_INT_TITLE = "atsitiktinis sveikas sk. nuo %1 iki %2";
 Blockly.Msg.MATH_RANDOM_INT_TOOLTIP = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg.MATH_ROUND_HELPURL = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
+Blockly.Msg.MATH_ROUND_HELPURL = "https://lt.wikipedia.org/wiki/Apvalinimas";
 Blockly.Msg.MATH_ROUND_OPERATOR_ROUND = "apvalink";
 Blockly.Msg.MATH_ROUND_OPERATOR_ROUNDDOWN = "apvalink žemyn";
 Blockly.Msg.MATH_ROUND_OPERATOR_ROUNDUP = "apvalink aukštyn";
-Blockly.Msg.MATH_ROUND_TOOLTIP = "Round a number up or down.";  // untranslated
+Blockly.Msg.MATH_ROUND_TOOLTIP = "Suapvalinti skaičių į žemesnę ar aukštesnę reikšmę.";
 Blockly.Msg.MATH_SINGLE_HELPURL = "https://en.wikipedia.org/wiki/Square_root";
 Blockly.Msg.MATH_SINGLE_OP_ABSOLUTE = "modulis";
 Blockly.Msg.MATH_SINGLE_OP_ROOT = "kvadratinė šaknis";
@@ -267,9 +267,9 @@ Blockly.Msg.NEW_VARIABLE_TITLE = "Naujo kintamojo pavadinimas:";
 Blockly.Msg.ORDINAL_NUMBER_SUFFIX = "";  // untranslated
 Blockly.Msg.PROCEDURES_ALLOW_STATEMENTS = "leisti vidinius veiksmus";
 Blockly.Msg.PROCEDURES_BEFORE_PARAMS = "pagal:";
-Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";  // untranslated
+Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
 Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP = "Vykdyti sukurtą komandą \"%1\".";
-Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";  // untranslated
+Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
 Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP = "Įvykdyti komandą \"%1\" ir naudoti jos suskaičiuotą (atiduotą) reikšmę.";
 Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS = "su:";
 Blockly.Msg.PROCEDURES_CREATE_DO = "Sukurti \"%1\"";
@@ -291,7 +291,7 @@ Blockly.Msg.PROCEDURES_MUTATORARG_TITLE = "parametro pavadinimas:";
 Blockly.Msg.PROCEDURES_MUTATORARG_TOOLTIP = "Pridėti funkcijos parametrą (gaunamų duomenų pavadinimą).";
 Blockly.Msg.PROCEDURES_MUTATORCONTAINER_TITLE = "gaunami duomenys (parametrai)";
 Blockly.Msg.PROCEDURES_MUTATORCONTAINER_TOOLTIP = "Tvarkyti komandos gaunamus duomenis (parametrus).";
-Blockly.Msg.REDO = "Redo";  // untranslated
+Blockly.Msg.REDO = "Atkurti";
 Blockly.Msg.REMOVE_COMMENT = "Pašalinti komentarą";
 Blockly.Msg.RENAME_VARIABLE = "Pervardyti kintamajį...";
 Blockly.Msg.RENAME_VARIABLE_TITLE = "Pervadinti visus '%1' kintamuosius į:";
@@ -357,7 +357,7 @@ Blockly.Msg.TEXT_TRIM_OPERATOR_LEFT = "išvalyk tarpus pradžioje";
 Blockly.Msg.TEXT_TRIM_OPERATOR_RIGHT = "išvalyk tarpus pabaigoje";
 Blockly.Msg.TEXT_TRIM_TOOLTIP = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
 Blockly.Msg.TODAY = "Šiandien";
-Blockly.Msg.UNDO = "Undo";  // untranslated
+Blockly.Msg.UNDO = "Anuliuoti";
 Blockly.Msg.VARIABLES_DEFAULT_NAME = "elementas";
 Blockly.Msg.VARIABLES_GET_CREATE_SET = "Sukurk \"priskirk %1\"";
 Blockly.Msg.VARIABLES_GET_HELPURL = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
diff --git a/msg/js/pt.js b/msg/js/pt.js
index 4fb72083c..de649b951 100644
--- a/msg/js/pt.js
+++ b/msg/js/pt.js
@@ -331,7 +331,7 @@ Blockly.Msg.TEXT_INDEXOF_INPUT_INTEXT = "no texto";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_FIRST = "primeira ocorrência do texto";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_LAST = "última ocorrência do texto";
 Blockly.Msg.TEXT_INDEXOF_TAIL = "";  // untranslated
-Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "Retorna a posição da primeira/última ocorrência do primeiro texto no segundo texto.  Retorna %1 se o texto não for encontrado.";
+Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "Retorna a posição da primeira/última ocorrência do primeiro texto no segundo texto. Retorna %1 se o texto não for encontrado.";
 Blockly.Msg.TEXT_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
 Blockly.Msg.TEXT_ISEMPTY_TITLE = "%1 está vazio";
 Blockly.Msg.TEXT_ISEMPTY_TOOLTIP = "Retorna verdadeiro se o texto fornecido estiver vazio.";
diff --git a/msg/js/ta.js b/msg/js/ta.js
index dfb2d3a02..8e607c32c 100644
--- a/msg/js/ta.js
+++ b/msg/js/ta.js
@@ -331,7 +331,7 @@ Blockly.Msg.TEXT_INDEXOF_INPUT_INTEXT = "உரையில்";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_FIRST = "உரையில் முதல் தோற்ற இடத்தை பின்கொடு";
 Blockly.Msg.TEXT_INDEXOF_OPERATOR_LAST = "உரையில் கடைசி தோற்ற இடத்தை பின்கொடு";
 Blockly.Msg.TEXT_INDEXOF_TAIL = "";  // untranslated
-Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
+Blockly.Msg.TEXT_INDEXOF_TOOLTIP = "இரண்டாவது உரையில் முதல் உரையின் முதல்/கடை இருக்கை குறிஎண்ணை பின்கொடு.";
 Blockly.Msg.TEXT_ISEMPTY_HELPURL = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
 Blockly.Msg.TEXT_ISEMPTY_TITLE = "%1 காலியானது";
 Blockly.Msg.TEXT_ISEMPTY_TOOLTIP = "காலியானது என்றால் மெய் மதிப்பை பின்கொடு";