diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
index d9be8388a..27f1a009d 100644
--- a/blockly_uncompressed.js
+++ b/blockly_uncompressed.js
@@ -129,12 +129,13 @@ goog.addDependency("crypt/md5_test.js", ['goog.crypt.Md5Test'], ['goog.crypt', '
 goog.addDependency("crypt/pbkdf2.js", ['goog.crypt.pbkdf2'], ['goog.array', 'goog.asserts', 'goog.crypt', 'goog.crypt.Hmac', 'goog.crypt.Sha1']);
 goog.addDependency("crypt/pbkdf2_test.js", ['goog.crypt.pbkdf2Test'], ['goog.crypt', 'goog.crypt.pbkdf2', 'goog.testing.jsunit', 'goog.userAgent']);
 goog.addDependency("crypt/sha1.js", ['goog.crypt.Sha1'], ['goog.crypt.Hash']);
+goog.addDependency("crypt/sha12mc_test.js", ['goog.crypt.ShaMcTest'], ['goog.crypt', 'goog.crypt.Sha1', 'goog.crypt.Sha224', 'goog.crypt.Sha256', 'goog.crypt.Sha384', 'goog.crypt.Sha512', 'goog.testing.jsunit', 'goog.userAgent']);
 goog.addDependency("crypt/sha1_test.js", ['goog.crypt.Sha1Test'], ['goog.crypt', 'goog.crypt.Sha1', 'goog.crypt.hashTester', 'goog.testing.jsunit', 'goog.userAgent']);
 goog.addDependency("crypt/sha2.js", ['goog.crypt.Sha2'], ['goog.array', 'goog.asserts', 'goog.crypt.Hash']);
 goog.addDependency("crypt/sha224.js", ['goog.crypt.Sha224'], ['goog.crypt.Sha2']);
 goog.addDependency("crypt/sha224_test.js", ['goog.crypt.Sha224Test'], ['goog.crypt', 'goog.crypt.Sha224', 'goog.crypt.hashTester', 'goog.testing.jsunit']);
 goog.addDependency("crypt/sha256.js", ['goog.crypt.Sha256'], ['goog.crypt.Sha2']);
-goog.addDependency("crypt/sha256_test.js", ['goog.crypt.Sha256Test'], ['goog.crypt', 'goog.crypt.Sha256', 'goog.crypt.hashTester', 'goog.testing.jsunit']);
+goog.addDependency("crypt/sha256_test.js", ['goog.crypt.Sha256Test'], ['goog.array', 'goog.crypt', 'goog.crypt.Sha256', 'goog.crypt.hashTester', 'goog.testing.jsunit']);
 goog.addDependency("crypt/sha2_64bit.js", ['goog.crypt.Sha2_64bit'], ['goog.array', 'goog.asserts', 'goog.crypt.Hash', 'goog.math.Long']);
 goog.addDependency("crypt/sha2_64bit_test.js", ['goog.crypt.Sha2_64bit_test'], ['goog.array', 'goog.crypt', 'goog.crypt.Sha384', 'goog.crypt.Sha512', 'goog.crypt.Sha512_256', 'goog.crypt.hashTester', 'goog.testing.jsunit', 'goog.userAgent']);
 goog.addDependency("crypt/sha384.js", ['goog.crypt.Sha384'], ['goog.crypt.Sha2_64bit']);
diff --git a/blocks/lists.js b/blocks/lists.js
index cbfd80dc8..38a26c773 100644
--- a/blocks/lists.js
+++ b/blocks/lists.js
@@ -50,6 +50,7 @@ Blockly.Blocks['lists_create_with'] = {
    * @this Blockly.Block
    */
   init: function() {
+    this.setHelpUrl(Blockly.Msg.LISTS_CREATE_WITH_HELPURL);
     this.setColour(260);
     this.itemCount_ = 3;
     this.updateShape_();
@@ -510,11 +511,11 @@ Blockly.Blocks['lists_getSublist'] = {
    * @this Blockly.Block
    */
   init: function() {
-    this.WHERE_OPTIONS_1 =
+    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 =
+    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']];
@@ -608,3 +609,45 @@ Blockly.Blocks['lists_getSublist'] = {
     }
   }
 };
+
+Blockly.Blocks['lists_split'] = {
+  /**
+   * Block for splitting text into a list, or joining a list into text.
+   * @this Blockly.Block
+   */
+  init: function() {
+    // Assign 'this' to a variable for use in the closures below.
+    var thisBlock = this;
+    var dropdown = new Blockly.FieldDropdown(
+        [[Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT, 'SPLIT'],
+         [Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST, 'JOIN']],
+        function(newOp) {
+          if (newOp == 'SPLIT') {
+            thisBlock.outputConnection.setCheck('Array');
+            thisBlock.getInput('INPUT').setCheck('String');
+          } else {
+            thisBlock.outputConnection.setCheck('String');
+            thisBlock.getInput('INPUT').setCheck('Array');
+          }
+        });
+    this.setHelpUrl(Blockly.Msg.LISTS_SPLIT_HELPURL);
+    this.setColour(260);
+    this.appendValueInput('INPUT')
+        .setCheck('String')
+        .appendField(dropdown, 'MODE');
+    this.appendValueInput('DELIM')
+        .setCheck('String')
+        .appendField(Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER);
+    this.setInputsInline(true);
+    this.setOutput(true, 'Array');
+    this.setTooltip(function() {
+      var mode = thisBlock.getFieldValue('MODE');
+      if (mode == 'SPLIT') {
+        return Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT;
+      } else if (mode == 'JOIN') {
+        return Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN;
+      }
+      throw 'Unknown mode: ' + mode;
+    });
+  }
+};
diff --git a/blocks/math.js b/blocks/math.js
index c5144a83c..aecf840b4 100644
--- a/blocks/math.js
+++ b/blocks/math.js
@@ -329,7 +329,7 @@ Blockly.Blocks['math_on_list'] = {
          [Blockly.Msg.MATH_ONLIST_OPERATOR_MODE, 'MODE'],
          [Blockly.Msg.MATH_ONLIST_OPERATOR_STD_DEV, 'STD_DEV'],
          [Blockly.Msg.MATH_ONLIST_OPERATOR_RANDOM, 'RANDOM']];
-    // Assign 'this' to a variable for use in the closure below.
+    // Assign 'this' to a variable for use in the closures below.
     var thisBlock = this;
     this.setHelpUrl(Blockly.Msg.MATH_ONLIST_HELPURL);
     this.setColour(230);
diff --git a/blocks/text.js b/blocks/text.js
index b60c25c4c..5068556be 100644
--- a/blocks/text.js
+++ b/blocks/text.js
@@ -412,11 +412,11 @@ Blockly.Blocks['text_getSubstring'] = {
    * @this Blockly.Block
    */
   init: function() {
-    this.WHERE_OPTIONS_1 =
+    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 =
+    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']];
diff --git a/blocks_compressed.js b/blocks_compressed.js
index ca8c96f0a..67999e4eb 100644
--- a/blocks_compressed.js
+++ b/blocks_compressed.js
@@ -11,10 +11,10 @@ Blockly.Blocks.colour_blend={init:function(){this.setHelpUrl(Blockly.Msg.COLOUR_
 "Colour");this.setTooltip(Blockly.Msg.COLOUR_BLEND_TOOLTIP)}};
 // Copyright 2012 Google Inc.  Apache License 2.0
 Blockly.Blocks.lists={};Blockly.Blocks.lists_create_empty={init:function(){this.setHelpUrl(Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL);this.setColour(260);this.setOutput(!0,"Array");this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_EMPTY_TITLE);this.setTooltip(Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP)}};
-Blockly.Blocks.lists_create_with={init:function(){this.setColour(260);this.itemCount_=3;this.updateShape_();this.setOutput(!0,"Array");this.setMutator(new Blockly.Mutator(["lists_create_with_item"]));this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("items",this.itemCount_);return a},domToMutation:function(a){this.itemCount_=parseInt(a.getAttribute("items"),10);this.updateShape_()},decompose:function(a){var b=Blockly.Block.obtain(a,
-"lists_create_with_container");b.initSvg();for(var c=b.getInput("STACK").connection,d=0;d<this.itemCount_;d++){var e=Blockly.Block.obtain(a,"lists_create_with_item");e.initSvg();c.connect(e.previousConnection);c=e.nextConnection}return b},compose:function(a){a=a.getInputTargetBlock("STACK");for(var b=[],c=0;a;)b[c]=a.valueConnection_,a=a.nextConnection&&a.nextConnection.targetBlock(),c++;this.itemCount_=c;this.updateShape_();for(c=0;c<this.itemCount_;c++)b[c]&&this.getInput("ADD"+c).connection.connect(b[c])},
-saveConnections:function(a){a=a.getInputTargetBlock("STACK");for(var b=0;a;){var c=this.getInput("ADD"+b);a.valueConnection_=c&&c.connection.targetConnection;b++;a=a.nextConnection&&a.nextConnection.targetBlock()}},updateShape_:function(){if(this.getInput("EMPTY"))this.removeInput("EMPTY");else for(var a=0;this.getInput("ADD"+a);)this.removeInput("ADD"+a),a++;if(0==this.itemCount_)this.appendDummyInput("EMPTY").appendField(Blockly.Msg.LISTS_CREATE_EMPTY_TITLE);else for(a=0;a<this.itemCount_;a++){var b=
-this.appendValueInput("ADD"+a);0==a&&b.appendField(Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH)}}};Blockly.Blocks.lists_create_with_container={init:function(){this.setColour(260);this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD);this.appendStatementInput("STACK");this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP);this.contextMenu=!1}};
+Blockly.Blocks.lists_create_with={init:function(){this.setHelpUrl(Blockly.Msg.LISTS_CREATE_WITH_HELPURL);this.setColour(260);this.itemCount_=3;this.updateShape_();this.setOutput(!0,"Array");this.setMutator(new Blockly.Mutator(["lists_create_with_item"]));this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation");a.setAttribute("items",this.itemCount_);return a},domToMutation:function(a){this.itemCount_=parseInt(a.getAttribute("items"),
+10);this.updateShape_()},decompose:function(a){var b=Blockly.Block.obtain(a,"lists_create_with_container");b.initSvg();for(var c=b.getInput("STACK").connection,d=0;d<this.itemCount_;d++){var e=Blockly.Block.obtain(a,"lists_create_with_item");e.initSvg();c.connect(e.previousConnection);c=e.nextConnection}return b},compose:function(a){a=a.getInputTargetBlock("STACK");for(var b=[],c=0;a;)b[c]=a.valueConnection_,a=a.nextConnection&&a.nextConnection.targetBlock(),c++;this.itemCount_=c;this.updateShape_();
+for(c=0;c<this.itemCount_;c++)b[c]&&this.getInput("ADD"+c).connection.connect(b[c])},saveConnections:function(a){a=a.getInputTargetBlock("STACK");for(var b=0;a;){var c=this.getInput("ADD"+b);a.valueConnection_=c&&c.connection.targetConnection;b++;a=a.nextConnection&&a.nextConnection.targetBlock()}},updateShape_:function(){if(this.getInput("EMPTY"))this.removeInput("EMPTY");else for(var a=0;this.getInput("ADD"+a);)this.removeInput("ADD"+a),a++;if(0==this.itemCount_)this.appendDummyInput("EMPTY").appendField(Blockly.Msg.LISTS_CREATE_EMPTY_TITLE);
+else for(a=0;a<this.itemCount_;a++){var b=this.appendValueInput("ADD"+a);0==a&&b.appendField(Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH)}}};Blockly.Blocks.lists_create_with_container={init:function(){this.setColour(260);this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD);this.appendStatementInput("STACK");this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP);this.contextMenu=!1}};
 Blockly.Blocks.lists_create_with_item={init:function(){this.setColour(260);this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_WITH_ITEM_TITLE);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP);this.contextMenu=!1}};
 Blockly.Blocks.lists_repeat={init:function(){this.setHelpUrl(Blockly.Msg.LISTS_REPEAT_HELPURL);this.setColour(260);this.setOutput(!0,"Array");this.interpolateMsg(Blockly.Msg.LISTS_REPEAT_TITLE,["ITEM",null,Blockly.ALIGN_RIGHT],["NUM","Number",Blockly.ALIGN_RIGHT],Blockly.ALIGN_RIGHT);this.setTooltip(Blockly.Msg.LISTS_REPEAT_TOOLTIP)}};
 Blockly.Blocks.lists_length={init:function(){this.setHelpUrl(Blockly.Msg.LISTS_LENGTH_HELPURL);this.setColour(260);this.interpolateMsg(Blockly.Msg.LISTS_LENGTH_TITLE,["VALUE",["Array","String"],Blockly.ALIGN_RIGHT],Blockly.ALIGN_RIGHT);this.setOutput(!0,"Number");this.setTooltip(Blockly.Msg.LISTS_LENGTH_TOOLTIP)}};
@@ -33,6 +33,8 @@ Blockly.Blocks.lists_getSublist={init:function(){this.WHERE_OPTIONS_1=[[Blockly.
 this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_SUBLIST_INPUT_IN_LIST);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_SUBLIST_TAIL);this.setInputsInline(!0);this.setOutput(!0,"Array");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP)},mutationToDom:function(){var a=document.createElement("mutation"),b=this.getInput("AT1").type==
 Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
 this.appendDummyInput("AT"+a);var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(c){var e="FROM_START"==c||"FROM_END"==c;if(e!=b){var f=this.sourceBlock_;f.updateAt_(a,e);f.setFieldValue(c,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&(this.moveInputBefore("AT1","AT2"),this.getInput("ORDINAL1")&&this.moveInputBefore("ORDINAL1","AT2"));Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.moveInputBefore("TAIL",null)}};
+Blockly.Blocks.lists_split={init:function(){var a=this,b=new Blockly.FieldDropdown([[Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT,"SPLIT"],[Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST,"JOIN"]],function(b){"SPLIT"==b?(a.outputConnection.setCheck("Array"),a.getInput("INPUT").setCheck("String")):(a.outputConnection.setCheck("String"),a.getInput("INPUT").setCheck("Array"))});this.setHelpUrl(Blockly.Msg.LISTS_SPLIT_HELPURL);this.setColour(260);this.appendValueInput("INPUT").setCheck("String").appendField(b,"MODE");
+this.appendValueInput("DELIM").setCheck("String").appendField(Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER);this.setInputsInline(!0);this.setOutput(!0,"Array");this.setTooltip(function(){var b=a.getFieldValue("MODE");if("SPLIT"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT;if("JOIN"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN;throw"Unknown mode: "+b;})}};
 // Copyright 2012 Google Inc.  Apache License 2.0
 Blockly.Blocks.logic={};
 Blockly.Blocks.controls_if={init:function(){this.setHelpUrl(Blockly.Msg.CONTROLS_IF_HELPURL);this.setColour(210);this.appendValueInput("IF0").setCheck("Boolean").appendField(Blockly.Msg.CONTROLS_IF_MSG_IF);this.appendStatementInput("DO0").appendField(Blockly.Msg.CONTROLS_IF_MSG_THEN);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setMutator(new Blockly.Mutator(["controls_if_elseif","controls_if_else"]));var a=this;this.setTooltip(function(){if(a.elseifCount_||a.elseCount_){if(!a.elseifCount_&&
diff --git a/dart_compressed.js b/dart_compressed.js
index 266ec880f..3ce42e0cb 100644
--- a/dart_compressed.js
+++ b/dart_compressed.js
@@ -33,6 +33,7 @@ c+".insert("+c+".length - "+f+", "+a+");\n"}else if("RANDOM"==e){Blockly.Dart.de
 Blockly.Dart.lists_getSublist=function(a){var b=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2"),e=Blockly.Dart.valueToCode(a,"AT1",Blockly.Dart.ORDER_NONE)||"1";a=Blockly.Dart.valueToCode(a,"AT2",Blockly.Dart.ORDER_NONE)||"1";("FIRST"==c||"FROM_START"==c&&Blockly.isNumber(e))&&("LAST"==d||"FROM_START"==d&&Blockly.isNumber(a))?(e="FIRST"==c?0:parseInt(e,10)-1,"LAST"==d?b=b+".sublist("+e+")":(a=parseInt(a,10),b=b+".sublist("+
 e+", "+a+")")):b=Blockly.Dart.provideFunction_("lists_get_sublist",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(list, where1, at1, where2, at2) {","  int getAt(where, at) {","    if (where == 'FROM_START') {","      at--;","    } else if (where == 'FROM_END') {","      at = list.length - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = list.length - 1;","    } else {","      throw 'Unhandled option (lists_getSublist).';","    }","    return at;",
 "  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return list.sublist(at1, at2);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")";return[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
+Blockly.Dart.lists_split=function(a){var b=Blockly.Dart.valueToCode(a,"INPUT",Blockly.Dart.ORDER_UNARY_POSTFIX),c=Blockly.Dart.valueToCode(a,"DELIM",Blockly.Dart.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw"Unknown mode: "+a;return[b+"."+a+"("+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 // Copyright 2014 Google Inc.  Apache License 2.0
 Blockly.Dart.logic={};Blockly.Dart.controls_if=function(a){for(var b=0,c=Blockly.Dart.valueToCode(a,"IF"+b,Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO"+b),e="if ("+c+") {\n"+d+"}",b=1;b<=a.elseifCount_;b++)c=Blockly.Dart.valueToCode(a,"IF"+b,Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO"+b),e+=" else if ("+c+") {\n"+d+"}";a.elseCount_&&(d=Blockly.Dart.statementToCode(a,"ELSE"),e+=" else {\n"+d+"}");return e+"\n"};
 Blockly.Dart.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.Dart.ORDER_EQUALITY:Blockly.Dart.ORDER_RELATIONAL,d=Blockly.Dart.valueToCode(a,"A",c)||"0";a=Blockly.Dart.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
diff --git a/demos/code/index.html b/demos/code/index.html
index b108232e3..fa3d52956 100644
--- a/demos/code/index.html
+++ b/demos/code/index.html
@@ -227,6 +227,13 @@
           </block>
         </value>
       </block>
+      <block type="lists_split">
+        <value name="DELIM">
+          <block type="text">
+            <field name="TEXT">,</field>
+          </block>
+        </value>
+      </block>
     </category>
     <category id="catColour">
       <block type="colour_picker"></block>
diff --git a/generators/dart/lists.js b/generators/dart/lists.js
index 5d45703c1..7e61875d2 100644
--- a/generators/dart/lists.js
+++ b/generators/dart/lists.js
@@ -309,3 +309,27 @@ Blockly.Dart['lists_getSublist'] = function(block) {
   }
   return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
 };
+
+Blockly.Dart['lists_split'] = function(block) {
+  // Block for splitting text into a list, or joining a list into text.
+  var value_input = Blockly.Dart.valueToCode(block, 'INPUT',
+      Blockly.Dart.ORDER_UNARY_POSTFIX);
+  var value_delim = Blockly.Dart.valueToCode(block, 'DELIM',
+      Blockly.Dart.ORDER_NONE) || '\'\'';
+  var mode = block.getFieldValue('MODE');
+  if (mode == 'SPLIT') {
+    if (!value_input) {
+      value_input = '\'\'';
+    }
+    var functionName = 'split';
+  } else if (mode == 'JOIN') {
+    if (!value_input) {
+      value_input = '[]';
+    }
+    var functionName = 'join';
+  } else {
+    throw 'Unknown mode: ' + mode;
+  }
+  var code = value_input + '.' + functionName + '(' + value_delim + ')';
+  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
+};
diff --git a/generators/javascript/lists.js b/generators/javascript/lists.js
index a881ed584..564a88816 100644
--- a/generators/javascript/lists.js
+++ b/generators/javascript/lists.js
@@ -298,3 +298,27 @@ Blockly.JavaScript['lists_getSublist'] = function(block) {
   }
   return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
 };
+
+Blockly.JavaScript['lists_split'] = function(block) {
+  // Block for splitting text into a list, or joining a list into text.
+  var value_input = Blockly.JavaScript.valueToCode(block, 'INPUT',
+      Blockly.JavaScript.ORDER_MEMBER);
+  var value_delim = Blockly.JavaScript.valueToCode(block, 'DELIM',
+      Blockly.JavaScript.ORDER_NONE) || '\'\'';
+  var mode = block.getFieldValue('MODE');
+  if (mode == 'SPLIT') {
+    if (!value_input) {
+      value_input = '\'\'';
+    }
+    var functionName = 'split';
+  } else if (mode == 'JOIN') {
+    if (!value_input) {
+      value_input = '[]';
+    }
+    var functionName = 'join';
+  } else {
+    throw 'Unknown mode: ' + mode;
+  }
+  var code = value_input + '.' + functionName + '(' + value_delim + ')';
+  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
+};
diff --git a/generators/python/lists.js b/generators/python/lists.js
index 09ac6a89b..092801849 100644
--- a/generators/python/lists.js
+++ b/generators/python/lists.js
@@ -311,3 +311,24 @@ Blockly.Python['lists_getSublist'] = function(block) {
   var code = list + '[' + at1 + ' : ' + at2 + ']';
   return [code, Blockly.Python.ORDER_MEMBER];
 };
+
+Blockly.Python['lists_split'] = function(block) {
+  // Block for splitting text into a list, or joining a list into text.
+  var mode = block.getFieldValue('MODE');
+  if (mode == 'SPLIT') {
+    var value_input = Blockly.Python.valueToCode(block, 'INPUT',
+        Blockly.Python.ORDER_MEMBER) || '\'\'';
+    var value_delim = Blockly.Python.valueToCode(block, 'DELIM',
+        Blockly.Python.ORDER_NONE);
+    var code = value_input + '.split(' + value_delim + ')';
+  } else if (mode == 'JOIN') {
+    var value_input = Blockly.Python.valueToCode(block, 'INPUT',
+        Blockly.Python.ORDER_NONE) || '[]';
+    var value_delim = Blockly.Python.valueToCode(block, 'DELIM',
+        Blockly.Python.ORDER_MEMBER) || '\'\'';
+    var code = value_delim + '.join(' + value_input + ')';
+  } else {
+    throw 'Unknown mode: ' + mode;
+  }
+  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
+};
diff --git a/javascript_compressed.js b/javascript_compressed.js
index f9cb7da77..5aabdf48b 100644
--- a/javascript_compressed.js
+++ b/javascript_compressed.js
@@ -32,7 +32,7 @@ Blockly.JavaScript.lists_setIndex=function(a){function b(){if(c.match(/^\w+$/))r
 c+".splice("+c+".length - "+f+", 0, "+a+");\n"}else if("RANDOM"==e){e=b();f=Blockly.JavaScript.variableDB_.getDistinctName("tmp_x",Blockly.Variables.NAME_TYPE);e+="var "+f+" = Math.floor(Math.random() * "+c+".length);\n";if("SET"==d)return e+=c+"["+f+"] = "+a+";\n";if("INSERT"==d)return e+=c+".splice("+f+", 0, "+a+");\n"}throw"Unhandled combination (lists_setIndex).";};
 Blockly.JavaScript.lists_getSublist=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2"),e=Blockly.JavaScript.valueToCode(a,"AT1",Blockly.JavaScript.ORDER_NONE)||"1";a=Blockly.JavaScript.valueToCode(a,"AT2",Blockly.JavaScript.ORDER_NONE)||"1";return["FIRST"==c&&"LAST"==d?b+".concat()":Blockly.JavaScript.provideFunction_("lists_get_sublist",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+
 "(list, where1, at1, where2, at2) {","  function getAt(where, at) {","    if (where == 'FROM_START') {","      at--;","    } else if (where == 'FROM_END') {","      at = list.length - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = list.length - 1;","    } else {","      throw 'Unhandled option (lists_getSublist).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return list.slice(at1, at2);",
-"}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+"}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.lists_split=function(a){var b=Blockly.JavaScript.valueToCode(a,"INPUT",Blockly.JavaScript.ORDER_MEMBER),c=Blockly.JavaScript.valueToCode(a,"DELIM",Blockly.JavaScript.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw"Unknown mode: "+a;return[b+"."+a+"("+c+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 // Copyright 2012 Google Inc.  Apache License 2.0
 Blockly.JavaScript.logic={};
 Blockly.JavaScript.controls_if=function(a){for(var b=0,c=Blockly.JavaScript.valueToCode(a,"IF"+b,Blockly.JavaScript.ORDER_NONE)||"false",d=Blockly.JavaScript.statementToCode(a,"DO"+b),e="if ("+c+") {\n"+d+"}",b=1;b<=a.elseifCount_;b++)c=Blockly.JavaScript.valueToCode(a,"IF"+b,Blockly.JavaScript.ORDER_NONE)||"false",d=Blockly.JavaScript.statementToCode(a,"DO"+b),e+=" else if ("+c+") {\n"+d+"}";a.elseCount_&&(d=Blockly.JavaScript.statementToCode(a,"ELSE"),e+=" else {\n"+d+"}");return e+"\n"};
diff --git a/msg/js/ar.js b/msg/js/ar.js
index 3121e2394..97dd62eff 100644
--- a/msg/js/ar.js
+++ b/msg/js/ar.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "إنشئ قائمة فارغة";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "تقوم بإرجاع قائمة، طولها 0, لا تحتوي على أية سجلات البيانات";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "قائمة";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "أضف, إزل, أو أعد ترتيب المقاطع لإعادة تكوين القطعة قائمة القطع التالية.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "أتشئ قائمة مع";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "أضف عنصرا إلى القائمة.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "أنشيء قائمة من أي عدد من العناصر.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "يحدد العنصر في 
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "يحدد العنصر في الموضع المحدد في قائمة ما.  #1 هو العنصر الأول.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "يحدد العنصر الأخير في قائمة.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "يحدد عنصرا عشوائيا في قائمة.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "يرجع \"صحيح\" إذا كانت القائمة فارغة.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "خاطئ";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/az.js b/msg/js/az.js
index 82c79d2bf..3384c5a43 100644
--- a/msg/js/az.js
+++ b/msg/js/az.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Bloku aç";
 Blockly.Msg.EXTERNAL_INPUTS = "Xarici girişlər";
 Blockly.Msg.HELP = "Kömək";
 Blockly.Msg.INLINE_INPUTS = "Sətiriçi girişlər";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "boş siyahı düzəlt";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Heç bir verilən qeyd olunmamış, uzunluğu 0 olan bir siyahı verir";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "siyahı";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Bu siyahı blokunu yenidən konfigurasiya etmək üçün bölmələri əlavə edin, silin və ya yerlərini dəyişin.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "bunlardan siyahı düzəlt";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Siyahıya element əlavə edin.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "İstənilən ölçülü siyahı yaradın.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Siyahının göstərilən ye
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Siyahının göstərilən yerdəki elementini təyin edir. #1 birinci elementdir.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Siyahının sonuncu elementini təyin edir.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Siyahının təsadüfi seçilmiş bir elementini təyin edir.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Siyahı boşdursa \"doğru\" cavabını qaytarır.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "yalan";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/bcc.js b/msg/js/bcc.js
index dc0d3c61a..ffc0089aa 100644
--- a/msg/js/bcc.js
+++ b/msg/js/bcc.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "گسترش بلوک";
 Blockly.Msg.EXTERNAL_INPUTS = "ورودی‌های خارجی";
 Blockly.Msg.HELP = "کومک";
 Blockly.Msg.INLINE_INPUTS = "ورودی‌های درون خطی";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "ایجاد فهرست خالی";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "فهرستی با طول صفر شامل هیچ رکورد داده‌ای بر می‌گرداند.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "فهرست";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "اضافه‌کردن، حذف‌کردن یا ترتیب‌سازی مجدد بخش‌ها این بلوک فهرستی.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "ایجاد فهرست با";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "اضافه‌کردن یک مورد به فهرست.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "فهرستی از هر عددی از موارد می‌سازد.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "مورد مشخص‌شده 
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "مورد مشخص‌شده در یک فهرست را قرار می‌دهد.  #1 اولین مورد است.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "آخرین مورد در یک فهرست را تعیین می‌کند.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "یک مورد تصادفی در یک فهرست را تعیین می‌کند.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "ناصحیح";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/be-tarask.js b/msg/js/be-tarask.js
index 1d90a189b..51a92e5d6 100644
--- a/msg/js/be-tarask.js
+++ b/msg/js/be-tarask.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Разгарнуць блёк";
 Blockly.Msg.EXTERNAL_INPUTS = "Зьнешнія ўваходы";
 Blockly.Msg.HELP = "Дапамога";
 Blockly.Msg.INLINE_INPUTS = "Унутраныя ўваходы";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "хлусьня";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/bg.js b/msg/js/bg.js
index 2007f2d1c..6044a6a70 100644
--- a/msg/js/bg.js
+++ b/msg/js/bg.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Покажи блок";
 Blockly.Msg.EXTERNAL_INPUTS = "Външни входове";
 Blockly.Msg.HELP = "Помощ";
 Blockly.Msg.INLINE_INPUTS = "Вътрешни входове";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "създай празен списък";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Връща списък с дължина 0, не съдържащ данни";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "списък";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Добави, премахни или пренареди частите, за да промениш този списъчен блок.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "създай списък с";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Добави елемент към текста.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Създай списък с произволен брой елементи.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Променя елемен
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Променя елемента на определена позиция в списък. #1 е първият елемент.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Променя последния елемент в списък.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Променя случаен елемент от списък.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Връща истина, ако списъкът е празен.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "лъжа";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/br.js b/msg/js/br.js
index 6f94d2bc7..811fc5c07 100644
--- a/msg/js/br.js
+++ b/msg/js/br.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Astenn ar bloc'h";
 Blockly.Msg.EXTERNAL_INPUTS = "Monedoù diavaez";
 Blockly.Msg.HELP = "Skoazell";
 Blockly.Msg.INLINE_INPUTS = "Monedoù enlinenn";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "krouiñ ur roll goullo";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Distreiñ ul listenn, 0 a hirder, n'eus enrolladenn ebet enni";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "roll";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Ouzhpennañ, lemel pe adurzhiañ ar rannoù evit kefluniañ ar bloc'h listenn-mañ.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "krouiñ ur roll gant";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Ouzhpennañ un elfenn d'ar roll";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Krouiñ ur roll gant un niver bennak a elfennoù.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Termenañ a ra an elfenn el
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Termenañ a ra an elfenn el lec'h meneget en ul listenn. #1 eo an elfenn ziwezhañ.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Termenañ a ra an elfenn diwezhañ en ul listenn.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Termenañ a ra un elfenn dre zegouezh en ul listenn.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Distreiñ gwir m'eo goullo al listenn.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "gaou";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ca.js b/msg/js/ca.js
index f0b9f490a..736fccdfd 100644
--- a/msg/js/ca.js
+++ b/msg/js/ca.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Expandir bloc";
 Blockly.Msg.EXTERNAL_INPUTS = "Entrades externes";
 Blockly.Msg.HELP = "Ajuda";
 Blockly.Msg.INLINE_INPUTS = "Entrades en línia";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crear llista buida";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Retorna una llista, de longitud 0, que no conté cap dada.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "llista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Afegeix, esborra o reordena seccions per reconfigurar aquest bloc de llista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "crear llista amb";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Afegeix un element a la llista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Crea una llista amb qualsevol nombre d'elements.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Modifica l'element de la pos
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Modifica l'element de la posició especificada d'una llista. #1 és el primer element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Modifica l'últim element d'una llista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Modifica un element a l'atzar d'una llista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Retorna cert si la llista és buida.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "fals";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/cs.js b/msg/js/cs.js
index 1aa8cda2b..15c925de0 100644
--- a/msg/js/cs.js
+++ b/msg/js/cs.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Rozbalení bloku";
 Blockly.Msg.EXTERNAL_INPUTS = "vnější vstupy";
 Blockly.Msg.HELP = "Nápověda";
 Blockly.Msg.INLINE_INPUTS = "Vložené vstupy";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "vytvořit prázdný seznam";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Vrátí seznam nulové délky, který neobsahuje žádné datové záznamy";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "seznam";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Přidat, odebrat nebo změnit pořadí oddílů tohoto seznamu bloku.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "vytvořit seznam s";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Přidat položku do seznamu.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Vytvoř seznam s libovolným počtem položek.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Nastaví položku na konkré
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Nastaví položku na konkrétní místo v seznamu. #1 je první položka.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Nastaví poslední položku v seznamu.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Nastaví náhodnou položku v seznamu.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Vrátí hodnotu pravda, pokud je seznam prázdný.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "nepravda";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/da.js b/msg/js/da.js
index 5547f445b..776501304 100644
--- a/msg/js/da.js
+++ b/msg/js/da.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Fold blokken ud";
 Blockly.Msg.EXTERNAL_INPUTS = "Udvendige inputs";
 Blockly.Msg.HELP = "Hjælp";
 Blockly.Msg.INLINE_INPUTS = "Indlejrede inputs";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "opret en tom liste";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returnerer en liste af længde 0, som ikke indeholder nogen data";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "liste";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Tilføj, fjern eller byt om på rækkefølgen af delene for at konfigurere denne blok.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "opret liste med";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Føj et element til listen.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Opret en liste med et vilkårligt antal elementer.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sætter elementet på den an
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sætter elementet på den angivne position i en liste. #1 er det første element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sætter det sidste element i en liste.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sætter et tilfældigt element i en liste.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returnerer sand, hvis listen er tom.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falsk";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/de.js b/msg/js/de.js
index c4770b415..2ecc8d1ff 100644
--- a/msg/js/de.js
+++ b/msg/js/de.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Erzeuge eine leere Liste";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Erzeugt eine leere Liste ohne Inhalt.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "Liste";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Hinzufügen, entfernen und sortieren von Elementen.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "Erzeuge Liste mit";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Ein Element zur Liste hinzufügen.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Erzeugt eine List mit konfigurierten Elementen.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list.  #1 is the first item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Ist wahr (true), wenn die Liste leer ist.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falsch";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/el.js b/msg/js/el.js
index 33c153a1a..eac5c397f 100644
--- a/msg/js/el.js
+++ b/msg/js/el.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "δημιούργησε κενή λίστ
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Επιστρέφει μια λίστα, με μήκος 0, η οποία δεν περιέχει εγγραφές δεδομένων";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "λίστα";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Προσθέτει, αφαιρεί ή αναδιατάσσει τα τμήματα για να αναδιαμορφώσει αυτό το μπλοκ λίστας.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "δημιούργησε λίστα με";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Προσθέτει αντικείμενο στη λίστα.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Δημιουργεί λίστα με οποιονδήποτε αριθμό αντικειμένων.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Ορίζει το στοιχ
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Ορίζει το στοιχείο στην καθορισμένη θέση σε μια λίστα. Το #1 είναι το πρώτο στοιχείο.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Ορίζει το τελευταίο στοιχείο σε μια λίστα.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Ορίζει ένα τυχαίο στοιχείο σε μια λίστα.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Επιστρέφει αληθής αν η λίστα είναι κενή.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "ψευδής";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/en.js b/msg/js/en.js
index 8854a27f2..580a95b5a 100644
--- a/msg/js/en.js
+++ b/msg/js/en.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Expand Block";
 Blockly.Msg.EXTERNAL_INPUTS = "External Inputs";
 Blockly.Msg.HELP = "Help";
 Blockly.Msg.INLINE_INPUTS = "Inline Inputs";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "false";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";
diff --git a/msg/js/es.js b/msg/js/es.js
index e4cde9234..1da7fad89 100644
--- a/msg/js/es.js
+++ b/msg/js/es.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Expandir bloque";
 Blockly.Msg.EXTERNAL_INPUTS = "Entradas externas";
 Blockly.Msg.HELP = "Ayuda";
 Blockly.Msg.INLINE_INPUTS = "Entradas en línea";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crear lista vacía";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Devuelve una lista, de longitud 0, sin ningún dato";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Agregar, eliminar o reorganizar las secciones para reconfigurar este bloque de lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "crear lista con";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Agregar un elemento a la lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Crear una lista con cualquier número de elementos.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Establece el elemento en la
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Establece el elemento en la posición especificada en una lista. #1 es el primer elemento.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Establece el último elemento de una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Establece un elemento aleatorio en una lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Devuelve verdadero si la lista está vacía.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falso";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/fa.js b/msg/js/fa.js
index 1d2dce813..0aeaac14c 100644
--- a/msg/js/fa.js
+++ b/msg/js/fa.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "گسترش بلوک";
 Blockly.Msg.EXTERNAL_INPUTS = "ورودی‌های خارجی";
 Blockly.Msg.HELP = "راهنما";
 Blockly.Msg.INLINE_INPUTS = "ورودی‌های درون خطی";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "ایجاد فهرست خالی";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "فهرستی با طول صفر شامل هیچ رکورد داده‌ای بر می‌گرداند.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "فهرست";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "اضافه‌کردن، حذف‌کردن یا ترتیب‌سازی مجدد بخش‌ها این بلوک فهرستی.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "ایجاد فهرست با";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "اضافه‌کردن یک مورد به فهرست.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "فهرستی از هر عددی از موارد می‌سازد.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "مورد مشخص‌شده 
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "مورد مشخص‌شده در یک فهرست را قرار می‌دهد.  #1 اولین مورد است.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "آخرین مورد در یک فهرست را تعیین می‌کند.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "یک مورد تصادفی در یک فهرست را تعیین می‌کند.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "ناصحیح";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/fi.js b/msg/js/fi.js
index cfc7cc27b..07ff279c3 100644
--- a/msg/js/fi.js
+++ b/msg/js/fi.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Laajenna lohko";
 Blockly.Msg.EXTERNAL_INPUTS = "Ulkoiset syötteet";
 Blockly.Msg.HELP = "Apua";
 Blockly.Msg.INLINE_INPUTS = "Tuo syötteet";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Luo tyhjä lista";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Palauta tyhjä lista, pituus 0";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Listää, poista tai järjestele uudestaan osioita tässä lohkossa.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "luo lista";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Lisää kohde listaan.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Luo lista, jossa on mikä tahansa määrä kohteita.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Asettaa listan määrätyss
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Asettaa kohteen määrättyyn kohtaa listassa. Nro 1 on listan alku.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Asettaa listan viimeisen kohteen.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Asettaa satunnaisen kohteen listassa.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Palauttaa tosi, jos lista on tyhjä.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "epätosi";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/fr.js b/msg/js/fr.js
index dfe3cdf5a..a6a06c562 100644
--- a/msg/js/fr.js
+++ b/msg/js/fr.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Développer le bloc";
 Blockly.Msg.EXTERNAL_INPUTS = "Entrées externes";
 Blockly.Msg.HELP = "Aide";
 Blockly.Msg.INLINE_INPUTS = "Entrées en ligne";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "créer une liste vide";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Renvoyer une liste, de longueur 0, ne contenant aucun enregistrement";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "liste";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Ajouter, supprimer, ou réordonner les sections pour reconfigurer ce bloc de liste.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "créer une liste avec";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Ajouter un élément à la liste.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Créer une liste avec un nombre quelconque d’éléments.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Fixe l’élément à la pos
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Fixe l’élément à la position indiquée dans une liste. #1 est le premier élément.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Fixe le dernier élément dans une liste.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Fixe un élément au hasard dans une liste.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Renvoie vrai si la liste est vide.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "faux";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/he.js b/msg/js/he.js
index abc6ed728..01203fa22 100644
--- a/msg/js/he.js
+++ b/msg/js/he.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "צור רשימה ריקה";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "החזר רשימה,באורך 0, המכילה רשומות נתונים";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "רשימה";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "תוסיף, תמחק, או תסדר מחדש כדי להגדיר מחדש את הבלוק If.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "צור רשימה עם";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "הוסף פריט לרשימה.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "צור רשימה עם כל מספר של פריטים.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "מגדיר את הפריט 
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "מגדיר את הפריט במיקום שצוין ברשימה.  #1 הוא הפריט הראשון.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "מגדיר את הפריט האחרון ברשימה.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "מגדיר פריט אקראי ברשימה.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "מחזיר אמת אם הרשימה ריקה.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "שגוי";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/hi.js b/msg/js/hi.js
index 6c20cc559..06d28b56f 100644
--- a/msg/js/hi.js
+++ b/msg/js/hi.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "ब्लॉक का विस्तार कर
 Blockly.Msg.EXTERNAL_INPUTS = "बाहरी इनपुट";
 Blockly.Msg.HELP = "सहायता";
 Blockly.Msg.INLINE_INPUTS = "इनलाइन इनपुट";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "खाली सूची बनाएँ";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "सूची";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "इसके सूची बनाएँ";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "सूची मे एक आइटम जोड़ें।";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "कितने भी आइटम वाली एक सूची बनाएँ।";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "सूची मे बत
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "सूची मे बताए गये स्थान में आइटम सैट करता है। #1 पहला आइटम है।";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "सूची में आखरी आइटम सैट करता है।";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "सूची में रैन्डम आइटम सैट करता है।";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "यदि सूची खाली है तो ट्रू रिटर्न करता है।";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "फॉल्स";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/hrx.js b/msg/js/hrx.js
index 9cd8a8ff2..67e5c0866 100644
--- a/msg/js/hrx.js
+++ b/msg/js/hrx.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Block entfalte";
 Blockly.Msg.EXTERNAL_INPUTS = "External Inputsexterne Ingänge";
 Blockly.Msg.HELP = "Hellef";
 Blockly.Msg.INLINE_INPUTS = "interne Ingänge";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Generier/erzeich en leear List";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Generier/erzeich en leear List ohne Inhalt.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "List";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Hinzufüche, entferne und sortiere von Elemente.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "Erzeich List mit";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "En Element zur List hinzufüche.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Generier/erzeich en List mit konfigurierte Elemente.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Setzt das Element zu en defi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Setzt das Element zu en definierte Stell in en List.  #1 ist das earschte Element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Setzt das letzte Element an en List.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Setzt en zufälliches Element an en List.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Ist woahr (true), wenn die List leear ist.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falsch";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/hu.js b/msg/js/hu.js
index 8f522e522..aaae11c71 100644
--- a/msg/js/hu.js
+++ b/msg/js/hu.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Blokk kibontása";
 Blockly.Msg.EXTERNAL_INPUTS = "Külső kapcsolatok";
 Blockly.Msg.HELP = "Súgó";
 Blockly.Msg.INLINE_INPUTS = "Belső kapcsolatok";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "üres lista";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Elemeket nem tartalmazó üres listát ad eredményül";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "Lista készítés, elemek:";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Elem hozzáadása listához.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Listát készít a megadott elemekből.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "A megadott sorszámú elem c
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "A megadott sorszámú elem cseréje a listában.  1 az első elemet jelenti.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Az utolsó elem cseréje a listában.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Véletlenszerűen választott elem cseréje a listában.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Az eredmény igaz, ha a lista nem tartalmaz elemeket.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "hamis";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ia.js b/msg/js/ia.js
index bea28b6b5..22294011b 100644
--- a/msg/js/ia.js
+++ b/msg/js/ia.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Displicar bloco";
 Blockly.Msg.EXTERNAL_INPUTS = "Entrata externe";
 Blockly.Msg.HELP = "Adjuta";
 Blockly.Msg.INLINE_INPUTS = "Entrata interne";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crear un lista vacue";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Retorna un lista, de longitude 0, sin datos.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Adde, remove o reordina sectiones pro reconfigurar iste bloco de listas.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "crear lista con";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Adder un elemento al lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Crear un lista con un numero qualcunque de elementos.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Defini le valor del elemento
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Defini le valor del elemento al position specificate in un lista. № 1 es le prime elemento.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Defini le valor del ultime elemento in un lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Defini le valor de un elemento aleatori in un lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Retorna ver si le lista es vacue.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "false";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/id.js b/msg/js/id.js
index 7adce14e6..c640c8671 100644
--- a/msg/js/id.js
+++ b/msg/js/id.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "buat list kosong";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Mengembalikan daftar, dengan panjang 0, tidak berisi data";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Tambahkan, hapus, atau susun ulang bagian untuk mengkonfigurasi blok LIST (daftar) ini.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "buat daftar (list) dengan";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Tambahkan sebuah item ke daftar (list).";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Buat sebuah daftar (list) dengan sejumlah item.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Tetapkan item ke dalam posis
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Tetapkan item ke dalam posisi yang telah ditentukan di dalam list. #1 adalah item yang pertama.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Menetapkan item terakhir dalam list.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Tetapkan secara acak sebuah item dalam list.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Mengembalikan nilai benar (true) jika list kosong.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "Salah";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/is.js b/msg/js/is.js
index 8c081ab50..227fbe19e 100644
--- a/msg/js/is.js
+++ b/msg/js/is.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "búa til tóman lista";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Skilar lista með lengdina 0 án gagna";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "listi";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Bæta við, fjarlægja eða umraða hlutum til að breyta skipan þessa listakubbs.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "búa til lista með";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Bæta atriði við listann.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Búa til lista með einhverjum fjölda atriða.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Setur atriðið í tiltekna
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Setur atriðið í tiltekna sætið í listanum. #1 er fyrsta atriðið.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Setur atriðið í síðasta sæti lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Setur atriðið í eitthvert sæti lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Skilar sönnu ef listinn er tómur.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "ósatt";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";
diff --git a/msg/js/it.js b/msg/js/it.js
index 042d620aa..c0ee22c5d 100644
--- a/msg/js/it.js
+++ b/msg/js/it.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Espandi blocco";
 Blockly.Msg.EXTERNAL_INPUTS = "Ingressi esterni";
 Blockly.Msg.HELP = "Aiuto";
 Blockly.Msg.INLINE_INPUTS = "Ingressi in linea";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "crea lista vuota";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Restituisce una lista, di lunghezza 0, contenente nessun record di dati";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Aggiungi, rimuovi o riordina le sezioni per riconfigurare il blocco lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "crea lista con";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Aggiunge un elemento alla lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Crea una lista con un certo numero di elementi.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Imposta l'elemento nella pos
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Imposta l'elemento nella posizione indicata di una lista. 1 corrisponde al primo elemento.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Imposta l'ultimo elemento in una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Imposta un elemento casuale in una lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Restituisce vero se la lista è vuota.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falso";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ja.js b/msg/js/ja.js
index 4882e3fe5..a3d711b68 100644
--- a/msg/js/ja.js
+++ b/msg/js/ja.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "空のリストを作成します。";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "長さゼロ、データ レコード空のリストを返します";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "リスト";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "追加、削除、またはセクションを順序変更して、ブロックを再構成します。";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "これを使ってリストを作成します。";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "リストにアイテムを追加します。";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "アイテム数かぎりないのリストを作成します。";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "リスト内の指定され
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "リスト内の指定された位置に項目を設定します。＃ 1 は、最初の項目です。";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "リスト内の最後の項目を設定します。";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "リスト内にランダムなアイテムを設定します。";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "リストが空の場合は、true を返します。";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "false";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ko.js b/msg/js/ko.js
index 0f5d33b4a..7ab634cbb 100644
--- a/msg/js/ko.js
+++ b/msg/js/ko.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "빈 리스트 생성";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "아이템이 없는, 빈 리스트를 만들어 돌려줍니다.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "리스트";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "리스트 블럭의 내용을 추가, 삭제, 재구성 합니다.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "리스트 만들기";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "아이템을 리스트에 추가합니다.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "원하는 아이템 갯수로 리스트를 생성합니다.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "특정 번째 위치의 아
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "특정 번째 위치의 아이템으로 설정합니다. #1 는 첫번째 아이템.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "마지막 아이템으로 설정합니다.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "목록에서 임의 위치의 아이템을 설정합니다.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "목록이 비었을 때 참을 반환합니다.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "거짓";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/lb.js b/msg/js/lb.js
index 25e15e967..50a4ffbf9 100644
--- a/msg/js/lb.js
+++ b/msg/js/lb.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Block opklappen";
 Blockly.Msg.EXTERNAL_INPUTS = "External Inputs";  // untranslated
 Blockly.Msg.HELP = "Hëllef";
 Blockly.Msg.INLINE_INPUTS = "Inline Inputs";  // untranslated
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "Lëscht";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "En Element op d'Lëscht derbäisetzen.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Setzt en zuofällegt Element an eng Lëscht.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falsch";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/lrc.js b/msg/js/lrc.js
index 31528651b..a0d368e2d 100644
--- a/msg/js/lrc.js
+++ b/msg/js/lrc.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "گپ کردن برشت";
 Blockly.Msg.EXTERNAL_INPUTS = "داده یا وه دری";
 Blockly.Msg.HELP = "هومياری";
 Blockly.Msg.INLINE_INPUTS = "داده یا مئنجا";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "یه گل نوم گه حالی راس بکیت";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "نوم گه";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "غلط";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/lt.js b/msg/js/lt.js
index 8b4546cb4..b50a02bc7 100644
--- a/msg/js/lt.js
+++ b/msg/js/lt.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Išplėsti Bloką";
 Blockly.Msg.EXTERNAL_INPUTS = "Išdėstyti stulpeliu, kai daug parametrų";
 Blockly.Msg.HELP = "Pagalba";
 Blockly.Msg.INLINE_INPUTS = "Išdėstyti vienoje eilutėje";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "tuščias sąrašas";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "sąrašas";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "sąrašas:";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "klaidinga";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/mk.js b/msg/js/mk.js
index 9c1d0d55c..bcb9146d2 100644
--- a/msg/js/mk.js
+++ b/msg/js/mk.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Рашири го блокови";
 Blockly.Msg.EXTERNAL_INPUTS = "Надворешен внос";
 Blockly.Msg.HELP = "Помош";
 Blockly.Msg.INLINE_INPUTS = "Внатрешен внос";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "невистина";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ms.js b/msg/js/ms.js
index c3e24a29e..6472b28b8 100644
--- a/msg/js/ms.js
+++ b/msg/js/ms.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Buka Blok";
 Blockly.Msg.EXTERNAL_INPUTS = "Input Luaran";
 Blockly.Msg.HELP = "Bantuan";
 Blockly.Msg.INLINE_INPUTS = "Input Sebaris";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Wujudkan senarai kosong";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Kembalikan senarai panjang 0, yang tidak mengandungi rekod data";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "senarai";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Tambah, alih keluar, atau susun semula bahagian-bahagian untuk menyusun semula senarai blok.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "wujudkan senarai dengan";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Tambah item ke dalam senarai.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Wujudkan senarai dengan apa jua nombor item.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Masukkan item pada posisi ya
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Masukkan item pada posisi yang ditentukan dalam senarai. #1 ialah item terakhir.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Set item terakhir dalam senarai.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Set item rawak dalam senarai.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Kembalikan benar jika senarai kosong.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "palsu";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/nb.js b/msg/js/nb.js
index f6a1583b1..84ab1e168 100644
--- a/msg/js/nb.js
+++ b/msg/js/nb.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "opprett en tom liste";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returnerer en tom liste, altså med lengde 0";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "liste";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Legg til, fjern eller endre rekkefølgen for å endre på denne delen av listen.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "lag en liste med";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Tilføy et element til listen.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Lag en liste med et vilkårlig antall elementer.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Setter inn elementet ved den
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Setter inn elementet ved den angitte posisjonen i en liste. #1 er det første elementet.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Angir det siste elementet i en liste.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Angir et tilfeldig element i en liste.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returnerer sann hvis listen er tom.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "usann";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/nl.js b/msg/js/nl.js
index 2581a3cad..10a90b3fa 100644
--- a/msg/js/nl.js
+++ b/msg/js/nl.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "maak een lege lijst";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Geeft een lijst terug met lengte 0, zonder items";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lijst";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Voeg stukken toe, verwijder ze of verander de volgorde om dit lijstblok aan te passen.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "maak een lijst met";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Voeg iets toe aan de lijst.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Maak een lijst met een willekeurig aantal items.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Stelt het item op een opgege
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Stelt het item op de opgegeven positie in de lijst in. Item 1 is het eerste item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Stelt het laatste item van een lijst in.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Stelt een willekeurig item uit de lijst in.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Geeft waar terug als de lijst leeg is.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "onwaar";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";
diff --git a/msg/js/oc.js b/msg/js/oc.js
index c381c49d6..b5951b51d 100644
--- a/msg/js/oc.js
+++ b/msg/js/oc.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Desvolopar lo blòt";
 Blockly.Msg.EXTERNAL_INPUTS = "Entradas extèrnas";
 Blockly.Msg.HELP = "Ajuda";
 Blockly.Msg.INLINE_INPUTS = "Entradas en linha";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "crear una lista amb";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "fals";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/pl.js b/msg/js/pl.js
index 3804bd84d..4cb1347da 100644
--- a/msg/js/pl.js
+++ b/msg/js/pl.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "utwórz pustą listę";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Zwraca listę, o długości 0, nie zawierającą rekordów z danymi";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Dodać, usunąć lub zmienić kolejność sekcji żeby zrekonfigurować blok tej listy.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "Tworzenie listy z";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Dodaj element do listy.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Utwórz listę z dowolną ilością elementów.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Ustawia element w odpowiedni
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Ustawia element w odpowiednie miejsce na liście. #1 to pierwszy element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Ustawia ostatni element na liście.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Ustawia losowy element na liście.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Zwraca \"prawda\" jeśli lista jest pusta.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "fałsz";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/pms.js b/msg/js/pms.js
index eb7462772..709739465 100644
--- a/msg/js/pms.js
+++ b/msg/js/pms.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Dësvlupé ël blòch";
 Blockly.Msg.EXTERNAL_INPUTS = "Imission esterne";
 Blockly.Msg.HELP = "Agiut";
 Blockly.Msg.INLINE_INPUTS = "Imission an linia";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "creé na lista veuida";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Smon-e na lista, ëd longheur 0, ch'a conten gnun-a argistrassion";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Gionté, gavé o riordiné le session për configuré torna cost blòch ëd lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "creé na lista con";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Gionté n'element a la lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Creé na lista con un nùmer qualsëssìa d'element.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "A fissa l'element a la posis
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "A fissa l'element a la posission ëspessificà an na lista. #1 a l'é ël prim element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "A fissa l'ùltim element an na lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "A fissa n'element a l'ancàpit an na lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "A smon ver se la lista a l'é veuida.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "fàuss";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/pt-br.js b/msg/js/pt-br.js
index d43325e07..f397529ca 100644
--- a/msg/js/pt-br.js
+++ b/msg/js/pt-br.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Expandir Bloco";
 Blockly.Msg.EXTERNAL_INPUTS = "Entrada externa";
 Blockly.Msg.HELP = "Ajuda";
 Blockly.Msg.INLINE_INPUTS = "Entradas Internas";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "criar lista vazia";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Retorna uma lista, de tamanho 0, contendo nenhum registro";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Acrescenta, remove ou reordena seções para reconfigurar este bloco de lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "criar lista com";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Acrescenta um item à lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Cria uma lista com a quantidade de itens informada.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Define o item da posição e
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Define o item da posição especificada de uma lista.  #1 é o primeiro item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Define o último item de uma lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Define um item aleatório de uma lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Retona verdadeiro se a lista estiver vazia.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falso";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/pt.js b/msg/js/pt.js
index 287e83740..d7755c0b1 100644
--- a/msg/js/pt.js
+++ b/msg/js/pt.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "criar lista vazia";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Retorna uma lista, de tamanho 0, contendo nenhum registo";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Acrescente, remova ou reordene as seções para reconfigurar este bloco lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "criar lista com";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Acrescenta um item à lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Cria uma lista com qualquer número de itens.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Define o item na posição e
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Define o item na posição especificada de uma lista.  #1 é o primeiro item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Define o último item de uma lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Define um item aleatório de uma lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Retona verdadeiro se a lista estiver vazia.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falso";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ro.js b/msg/js/ro.js
index 2bf1c0d22..34ed203c4 100644
--- a/msg/js/ro.js
+++ b/msg/js/ro.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "creează listă goală";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returnează o listă, de lungime 0, care nu conţine înregistrări de date";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "listă";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Adaugă, elimină sau reordonează secţiuni ca să reconfiguraţi aceste blocuri de listă.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "creează listă cu";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Adăugaţi un element la listă.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Creaţi o listă cu orice număr de elemente.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Setează elementul la poziţ
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Setează elementul la poziţia specificată într-o listă.  #1 este primul element.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Setează ultimul element într-o listă.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Setează un element aleator într-o listă.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returnează adevărat dacă lista este goală.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "fals";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/ru.js b/msg/js/ru.js
index e46e809d6..26db2966c 100644
--- a/msg/js/ru.js
+++ b/msg/js/ru.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Развернуть блок";
 Blockly.Msg.EXTERNAL_INPUTS = "Вставки снаружи";
 Blockly.Msg.HELP = "Справка";
 Blockly.Msg.INLINE_INPUTS = "Вставки внутри";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "создать пустой список";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Возвращает список длины 0, не содержащий данных";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "список";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Добавьте, удалите, переставьте элементы для переделки блока списка.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "создать список из";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Добавляет элемент к списку.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Создаёт список с любым числом элементов.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Присваивает зн
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Присваивает значение элементу в указанной позиции списка (№1 - первый элемент).";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Присваивает значение последнему элементу списка.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Присваивает значение случайному элементу списка.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Возвращает значение истина, если список пуст.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "ложь";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/sc.js b/msg/js/sc.js
index a517ef362..a38fdbd90 100644
--- a/msg/js/sc.js
+++ b/msg/js/sc.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Aberi Brocu";
 Blockly.Msg.EXTERNAL_INPUTS = "Inputs esternus";
 Blockly.Msg.HELP = "Agiudu";
 Blockly.Msg.INLINE_INPUTS = "Inputs in lìnia";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "fait una lista buida";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Torrat una lista, de longària 0, chena records de datus.";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Aciungi, fùlia, o assenta is partis po torrai a sètiu custu brocu lista.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "fait una lista cun";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Acciungi unu item a sa lista.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Fait una lista cun calisiollat numeru de items.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Impostat s'elementu in su po
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Impostat s'elementu in su postu inditau de una lista. Postu 1 est po su primu elementu.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Impostat s'urtimu elementu in una lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Impostat unu elementu random in una lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Torrat berus si sa lista est buida.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "frassu";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/sk.js b/msg/js/sk.js
index fe98d38d8..fa5053066 100644
--- a/msg/js/sk.js
+++ b/msg/js/sk.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Rozložiť blok";
 Blockly.Msg.EXTERNAL_INPUTS = "Vonkajšie vstupy";
 Blockly.Msg.HELP = "Pomoc";
 Blockly.Msg.INLINE_INPUTS = "Riadkové vstupy";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "create empty list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "create list with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "nepravda";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/sq.js b/msg/js/sq.js
index 015d8dc31..df9cc1a03 100644
--- a/msg/js/sq.js
+++ b/msg/js/sq.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "krijo një listë të zbrazët";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Kthen një listë, te gjatësisë 0, duke mos përmbajtur asnjë regjistrim të të dhënave";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "listë";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Shto, fshij, ose rirregullo sektoret për ta rikonfiguruar këtë bllok të listës.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "krijo listë me";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Shto një send në listë.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Krijo një listë me ndonjë numbër të sendeve.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Vendos sendin ne pozicionin
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Vendos sendin në pozicionin e specifikuar në listë. #1 është sendi i parë.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Vendos sendin e fundit në listë.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Vendos një send të rastësishëm në listë.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Kthehet i saktë nëse lista është e zbraztë.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "e pasaktë";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/sr.js b/msg/js/sr.js
index e8a5de2f8..cb6356b7a 100644
--- a/msg/js/sr.js
+++ b/msg/js/sr.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "направи празан списак
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "враћа листу, дужине 0, не садржавајући  евиденцију података";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "списак";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Додајте, избришите, или преуредите делове како би се реорганизовали овај блок листе.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "направи списак са";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Додајте ставку на списак.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Креирај листу са било којим бројем ставки.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Поставља ставк
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Поставља ставку на одређени положај на списку. #1 је прва ставка.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Поставља последњу ставку на списку.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Поставља случајну ставку на списку.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Враћа вредност тачно ако је листа празна.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "нетачно";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/sv.js b/msg/js/sv.js
index 2c0dc47e1..1560ed1cc 100644
--- a/msg/js/sv.js
+++ b/msg/js/sv.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "skapa tom lista";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Ger tillbaka en lista utan någon data, alltså med längden 0";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "lista";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Lägg till, ta bort eller ändra ordningen på objekten för att göra om det här \"list\"-blocket.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "skapa lista med";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Lägg till ett föremål till listan.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Skapa en lista med valfritt antal föremål.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sätter in objektet vid en s
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sätter in objektet vid en specificerad position i en lista. #1 är det första objektet.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Anger det sista elementet i en lista.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sätter in ett slumpat objekt i en lista.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returnerar sant om listan är tom.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "falskt";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/th.js b/msg/js/th.js
index fcd0f1ee1..60d54dc4f 100644
--- a/msg/js/th.js
+++ b/msg/js/th.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "ขยายบล็อก";
 Blockly.Msg.EXTERNAL_INPUTS = "อินพุตภายนอก";
 Blockly.Msg.HELP = "ช่วยเหลือ";
 Blockly.Msg.INLINE_INPUTS = "อินพุตแบบอินไลน์";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "สร้างรายการเปล่า";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "สร้างรายการเปล่า (ความยาวเป็น 0) ยังไม่มีข้อมูลใดๆ อยู่";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "รายการ";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "เพิ่ม ลบ หรือจัดเรียงบล็อกรายการนี้ใหม่";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "สร้างข้อความด้วย";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "เพิ่มไอเท็มเข้าไปในรายการ";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "สร้างรายการพร้อมด้วยไอเท็ม";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "กำหนดไอเท
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "กำหนดไอเท็มในตำแหน่งที่ระบุในรายการ #1 คือไอเท็มอันแรกสุด";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "กำหนดไอเท็มอันสุดท้ายในรายการ";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "กำหนดไอเท็มแบบสุ่มในรายการ";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "คืนค่าเป็นจริง ถ้ารายการยังว่างเปล่า";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "เท็จ";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/tl.js b/msg/js/tl.js
index 0dee59d67..374743c52 100644
--- a/msg/js/tl.js
+++ b/msg/js/tl.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Gumawa ng walang laman na list";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Ibabalik ang list, na may haba na 0, nag lalaman ng walang data records";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "list";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Magdagdag, mag tanggal or mag ayos ng sections para muling maayos ang listahan ng block.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "gumawa ng list kasama";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Mag dagdag ng item sa list.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Gumawa ng list na may kahit anong number ng items.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Pag set ng item sa tinukoy n
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Pag set ng item sa tinukoy na position sa isang list. #1 ay ang unang item.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Pag set sa huling item sa isang list.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Pag set ng walang pinipiling item sa isang list.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Nagbabalik ng true kung ang list ay walang laman.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "mali";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/tlh.js b/msg/js/tlh.js
index 9423784b7..588a70f62 100644
--- a/msg/js/tlh.js
+++ b/msg/js/tlh.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "ngogh DejHa'moH";
 Blockly.Msg.EXTERNAL_INPUTS = "Hur rar";
 Blockly.Msg.HELP = "QaH";
 Blockly.Msg.INLINE_INPUTS = "qoD rar";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "tetlh chIm";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Returns a list, of length 0, containing no data records";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "tetlh";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "tetlh ghom";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Add an item to the list.";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Create a list with any number of items.";  // untranslated
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Sets the item at the specifi
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Sets the item at the specified position in a list. #1 is the first item.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Sets the last item in a list.";  // untranslated
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Sets a random item in a list.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Returns true if the list is empty.";  // untranslated
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "teHbe'";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/tr.js b/msg/js/tr.js
index 153d620d1..f02b47784 100644
--- a/msg/js/tr.js
+++ b/msg/js/tr.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "Boş liste oluştur";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Veri kaydı içermeyen uzunluğu 0 olan bir listeyi verir";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "liste";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Bu liste bloğunu yeniden yapılandırmak için bölüm ekle,kaldır veya yeniden çağır.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "İle liste oluşturma";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Listeye bir nesne ekle.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Herhangi sayıda nesne içeren bir liste oluştur.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Bir öğeyi belirtilen yere
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Bir öğeyi belirtilen yere göre listeye yerleştirir . #1 ilk öğedir .";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Bir listedeki son öğeyi yerleştirir .";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Listeye rast gele bir öğe yerleştirir .";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Eğer liste boş ise true döndürür .";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "false = Olumsuz";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/uk.js b/msg/js/uk.js
index 91be66f1a..a7d7cda16 100644
--- a/msg/js/uk.js
+++ b/msg/js/uk.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "створити порожній спи
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Повертає список, довжиною 0, що не містить записів даних";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "список";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Додати, видалити або змінити порядок розділів для переналаштування блокування списку.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "створює список з";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Додати елемент до списку.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Створює список з будь-якою кількістю елементів.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Задає елемент у
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Задає елемент у вказаній позиції списку. #1 - це перший пункт.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Задає останній елемент списку.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Задає випадковий елемент у списку.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Повертає істина, якщо список порожній.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "хибність";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/vi.js b/msg/js/vi.js
index c7a3265fb..cf928c58a 100644
--- a/msg/js/vi.js
+++ b/msg/js/vi.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "Mở Lớn Mảnh";
 Blockly.Msg.EXTERNAL_INPUTS = "Chỗ Gắn Bên Ngoài";
 Blockly.Msg.HELP = "Trợ Giúp";
 Blockly.Msg.INLINE_INPUTS = "Chỗ Gắn Cùng Dòng";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "tạo danh sách trống";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "Hoàn trả một danh sách, với độ dài 0, không có thành tố nào cả";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "danh sách";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "Thêm, bỏ, hoặc sắp xếp lại các thành phần để tạo dựng mảnh danh sách này.";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "tạo danh sách gồm";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "Thêm vật vào danh sách.";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "Tạo một danh sách bao gồm nhiều vậts, với một số lượng bất kỳ.";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "Đặt giá trị của thà
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "Đặt giá trị của thành tố ở vị trí ấn định trong một danh sách.  #1 là thành tố đầu tiên.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "Đặt giá trị của thành tố cuối cùng trong danh sách.";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "Đặt giá trị của thành tố ngẫu nhiên trong danh sách.";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "Hoàn trả “đúng\" nếu danh sách không có thành tử nào.";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "sai";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/zh-hans.js b/msg/js/zh-hans.js
index 81e475d58..e714c43df 100644
--- a/msg/js/zh-hans.js
+++ b/msg/js/zh-hans.js
@@ -81,6 +81,7 @@ Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "创建空列表";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "返回一个列表，长度为 0，不包含任何数据记录";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "列表";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "增加、删除或重新排列各部分以此重新配置这个列表块。";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "建立字串使用";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "将一个项添加到列表中。";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "建立一个具有任意数量项目的列表。";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "设置在列表中指定位
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "设置在列表中指定位置的项。#1是第一项。";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "设置列表中的最后一项。";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "设置列表中一个随机的项目。";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "如果改列表为空，则返回真。";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "错";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/js/zh-hant.js b/msg/js/zh-hant.js
index 75885184b..89219933a 100644
--- a/msg/js/zh-hant.js
+++ b/msg/js/zh-hant.js
@@ -76,11 +76,12 @@ Blockly.Msg.EXPAND_BLOCK = "展開積木";
 Blockly.Msg.EXTERNAL_INPUTS = "多行輸入";
 Blockly.Msg.HELP = "說明";
 Blockly.Msg.INLINE_INPUTS = "單行輸入";
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://en.wikipedia.org/wiki/Linked_list#Empty_lists";  // untranslated
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = "建立空列表";
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = "返回一個長度為 0 的列表，不包含任何資料記錄";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD = "加入";
 Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP = "添加、 刪除或重新排列各區塊來此重新配置這個 列表 積木。";
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
 Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH = "使用這些值建立列表";
 Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = "將一個項目加入到列表中。";
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = "建立一個具備任意數量項目的列表。";
@@ -144,6 +145,12 @@ Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_END = "設定在列表中的指定
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM_START = "設定在列表中的指定位置的項目。#1 是第一個項目。";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST = "設定列表中的最後一個項目";
 Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM = "設定列表中隨機的一個項目";
+Blockly.Msg.LISTS_SPLIT_HELPURL = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = "make list from text";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = "make text from list";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = "with delimiter";  // untranslated
 Blockly.Msg.LISTS_TOOLTIP = "如果該列表為空，則返回 真。";
 Blockly.Msg.LOGIC_BOOLEAN_FALSE = "否";
 Blockly.Msg.LOGIC_BOOLEAN_HELPURL = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
diff --git a/msg/json/en.json b/msg/json/en.json
index bb694dee5..87e38b194 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2014-11-20 15:37:54.063549",
+		"lastupdated": "2015-01-18 16:51:52.594084",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
@@ -254,9 +254,10 @@
 	"TEXT_PROMPT_TYPE_NUMBER": "prompt for number with message",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Prompt for user for a number.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Prompt for user for some text.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://en.wikipedia.org/wiki/Linked_list#Empty_lists",
+	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "create empty list",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Returns a list, of length 0, containing no data records",
+	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Create a list with any number of items.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "create list with",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "list",
@@ -323,6 +324,12 @@
 	"LISTS_GET_SUBLIST_END_LAST": "to last",
 	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Creates a copy of the specified portion of a list.",
+	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "make list from text",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "make text from list",
+	"LISTS_SPLIT_WITH_DELIMITER": "with delimiter",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Split text into a list of texts, breaking at each delimiter.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "Join a list of texts into one text, separated by a delimiter.",
 	"ORDINAL_NUMBER_SUFFIX": "",
 	"VARIABLES_GET_HELPURL": "https://github.com/google/blockly/wiki/Variables#get",
 	"VARIABLES_GET_TITLE": "",
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index cc635a8a5..7ad740da9 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -1,10 +1,4 @@
 {
-	"@metadata": {
-		"authors": [
-			"Espertus",
-			"Shirayuki"
-		]
-	},
 	"VARIABLES_DEFAULT_NAME": "default name - A simple, general default name for a variable, preferably short. For more context, see [[Translating:Blockly#infrequent_message_types]].",
 	"DUPLICATE_BLOCK": "context menu - Make a copy of the selected block (and any blocks it contains).",
 	"ADD_COMMENT": "context menu - Add a descriptive comment to the selected block.",
@@ -257,6 +251,7 @@
 	"LISTS_CREATE_EMPTY_HELPURL": "url - Information on empty lists.",
 	"LISTS_CREATE_EMPTY_TITLE": "block text - See [https://github.com/google/blockly/wiki/Lists#create-empty-list https://github.com/google/blockly/wiki/Lists#create-empty-list].",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "block text - See [https://github.com/google/blockly/wiki/Lists#create-empty-list https://github.com/google/blockly/wiki/Lists#create-empty-list].",
+	"LISTS_CREATE_WITH_HELPURL": "url - Information on building lists.",
 	"LISTS_CREATE_WITH_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#create-list-with https://github.com/google/blockly/wiki/Lists#create-list-with].",
 	"LISTS_CREATE_WITH_INPUT_WITH": "block text - See [https://github.com/google/blockly/wiki/Lists#create-list-with https://github.com/google/blockly/wiki/Lists#create-list-with].",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "block text - This appears in a sub-block when [https://github.com/google/blockly/wiki/Lists#changing-number-of-inputs changing the number of inputs in a ''''create list with'''' block].",
@@ -323,6 +318,12 @@
 	"LISTS_GET_SUBLIST_END_LAST": "dropdown - Indicates that the '''last''' item in the given list should be [https://github.com/google/blockly/wiki/Lists#getting-a-sublist the end of the selected sublist]. [[File:Blockly-get-sublist.png]]",
 	"LISTS_GET_SUBLIST_TAIL": "block text - This appears in the rightmost position ('tail') of the sublist block, as described at [https://github.com/google/blockly/wiki/Lists#getting-a-sublist https://github.com/google/blockly/wiki/Lists#getting-a-sublist]. In English and most other languages, this is the empty string. [[File:Blockly-get-sublist.png]]",
 	"LISTS_GET_SUBLIST_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#getting-a-sublist https://github.com/google/blockly/wiki/Lists#getting-a-sublist] for more information. [[File:Blockly-get-sublist.png]]",
+	"LISTS_SPLIT_HELPURL": "url - Information describing splitting text into a list, or joining a list into text.",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "dropdown - Indicates that text will be split up into a list (e.g. 'a-b-c' -> ['a', 'b', 'c']).",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "dropdown - Indicates that a list will be joined together to form text (e.g. ['a', 'b', 'c'] -> 'a-b-c').",
+	"LISTS_SPLIT_WITH_DELIMITER": "block text - Prompts for a letter to be used as a separator when splitting or joining text.",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "tooltip - See [https://github.com/google/blockly/wiki/Lists#make-list-from-text https://github.com/google/blockly/wiki/Lists#make-list-from-text] for more information.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "tooltip - See [https://github.com/google/blockly/wiki/Lists#make-text-from-list https://github.com/google/blockly/wiki/Lists#make-text-from-list] for more information.",
 	"ORDINAL_NUMBER_SUFFIX": "grammar - Text that follows an ordinal number (a number that indicates position relative to other numbers).  In most languages, such text appears before the number, so this should be blank.  An exception is Hungarian. See [[Translating:Blockly#Ordinal_numbers]] for more information.",
 	"VARIABLES_GET_HELPURL": "url - Information about ''variables'' in computer programming.  Consider using your language's translation of [https://en.wikipedia.org/wiki/Variable_(computer_science) https://en.wikipedia.org/wiki/Variable_(computer_science)], if it exists.",
 	"VARIABLES_GET_TITLE": "block text - This precedes the name of a variable when getting its values.  In most (all?) languages, it should be the empty string.  If unsure, ask yourself if any word should go before 'x' in the expression 'x + 1'.",
diff --git a/msg/messages.js b/msg/messages.js
index 0534dbba0..7744c5507 100644
--- a/msg/messages.js
+++ b/msg/messages.js
@@ -748,12 +748,14 @@ Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT = 'Prompt for user for some text.';
 
 // Lists Blocks.
 /// url - Information on empty lists.
-Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = 'https://en.wikipedia.org/wiki/Linked_list#Empty_lists';
+Blockly.Msg.LISTS_CREATE_EMPTY_HELPURL = 'https://github.com/google/blockly/wiki/Lists#create-empty-list';
 /// block text - See [https://github.com/google/blockly/wiki/Lists#create-empty-list https://github.com/google/blockly/wiki/Lists#create-empty-list].
 Blockly.Msg.LISTS_CREATE_EMPTY_TITLE = 'create empty list';
 /// block text - See [https://github.com/google/blockly/wiki/Lists#create-empty-list https://github.com/google/blockly/wiki/Lists#create-empty-list].
 Blockly.Msg.LISTS_CREATE_EMPTY_TOOLTIP = 'Returns a list, of length 0, containing no data records';
 
+/// url - Information on building lists.
+Blockly.Msg.LISTS_CREATE_WITH_HELPURL = 'https://github.com/google/blockly/wiki/Lists#create-list-with';
 /// tooltip - See [https://github.com/google/blockly/wiki/Lists#create-list-with https://github.com/google/blockly/wiki/Lists#create-list-with].
 Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP = 'Create a list with any number of items.';
 /// block text - See [https://github.com/google/blockly/wiki/Lists#create-list-with https://github.com/google/blockly/wiki/Lists#create-list-with].
@@ -974,6 +976,21 @@ Blockly.Msg.LISTS_GET_SUBLIST_TAIL = '';
 /// [[File:Blockly-get-sublist.png]]
 Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP = 'Creates a copy of the specified portion of a list.';
 
+/// url - Information describing splitting text into a list, or joining a list into text.
+Blockly.Msg.LISTS_SPLIT_HELPURL = 'https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists';
+/// dropdown - Indicates that text will be split up into a list (e.g. "a-b-c" -> ["a", "b", "c"]).
+Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT = 'make list from text'
+/// dropdown - Indicates that a list will be joined together to form text (e.g. ["a", "b", "c"] -> "a-b-c").
+Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST = 'make text from list';
+/// block text - Prompts for a letter to be used as a separator when splitting or joining text.
+Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER = 'with delimiter';
+/// tooltip - See [https://github.com/google/blockly/wiki/Lists#make-list-from-text
+/// https://github.com/google/blockly/wiki/Lists#make-list-from-text] for more information.
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT = 'Split text into a list of texts, breaking at each delimiter.';
+/// tooltip - See [https://github.com/google/blockly/wiki/Lists#make-text-from-list
+/// https://github.com/google/blockly/wiki/Lists#make-text-from-list] for more information.
+Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN = 'Join a list of texts into one text, separated by a delimiter.';
+
 /// grammar - Text that follows an ordinal number (a number that indicates
 /// position relative to other numbers).  In most languages, such text appears
 /// before the number, so this should be blank.  An exception is Hungarian.
diff --git a/python_compressed.js b/python_compressed.js
index 030a99513..afb224ca9 100644
--- a/python_compressed.js
+++ b/python_compressed.js
@@ -30,6 +30,7 @@ Blockly.Python.lists_setIndex=function(a){var b=Blockly.Python.valueToCode(a,"LI
 b+"\n",b=d,d=e);e=Blockly.Python.variableDB_.getDistinctName("tmp_x",Blockly.Variables.NAME_TYPE);d+=e+" = int(random.random() * len("+b+"))\n";if("SET"==c)return d+(b+"["+e+"] = "+a+"\n");if("INSERT"==c)return d+=b+".insert("+e+", "+a+")\n"}throw"Unhandled combination (lists_setIndex).";};
 Blockly.Python.lists_getSublist=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2"),e=Blockly.Python.valueToCode(a,"AT1",Blockly.Python.ORDER_ADDITIVE)||"1";a=Blockly.Python.valueToCode(a,"AT2",Blockly.Python.ORDER_ADDITIVE)||"1";"FIRST"==c||"FROM_START"==c&&"1"==e?e="":"FROM_START"==c?e=Blockly.isNumber(e)?parseInt(e,10)-1:"int("+e+" - 1)":"FROM_END"==c&&(e=Blockly.isNumber(e)?-parseInt(e,10):"-int("+e+")");
 "LAST"==d||"FROM_END"==d&&"1"==a?a="":"FROM_START"==c?a=Blockly.isNumber(a)?parseInt(a,10):"int("+a+")":"FROM_END"==c&&(Blockly.isNumber(a)?(a=1-parseInt(a,10),0==a&&(a="")):(Blockly.Python.definitions_.import_sys="import sys",a="int(1 - "+a+") or sys.maxsize"));return[b+"["+e+" : "+a+"]",Blockly.Python.ORDER_MEMBER]};
+Blockly.Python.lists_split=function(a){var b=a.getFieldValue("MODE");if("SPLIT"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_MEMBER)||"''",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_NONE),a=b+".split("+a+")";else if("JOIN"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_NONE)||"[]",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_MEMBER)||"''",a=a+".join("+b+")";else throw"Unknown mode: "+b;return[a,Blockly.Python.ORDER_FUNCTION_CALL]};
 // Copyright 2012 Google Inc.  Apache License 2.0
 Blockly.Python.logic={};Blockly.Python.controls_if=function(a){for(var b=0,c=Blockly.Python.valueToCode(a,"IF"+b,Blockly.Python.ORDER_NONE)||"False",d=Blockly.Python.statementToCode(a,"DO"+b)||"  pass\n",e="if "+c+":\n"+d,b=1;b<=a.elseifCount_;b++)c=Blockly.Python.valueToCode(a,"IF"+b,Blockly.Python.ORDER_NONE)||"False",d=Blockly.Python.statementToCode(a,"DO"+b)||"  pass\n",e+="elif "+c+":\n"+d;a.elseCount_&&(d=Blockly.Python.statementToCode(a,"ELSE")||"  pass\n",e+="else:\n"+d);return e};
 Blockly.Python.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c=Blockly.Python.ORDER_RELATIONAL,d=Blockly.Python.valueToCode(a,"A",c)||"0";a=Blockly.Python.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
diff --git a/tests/generators/index.html b/tests/generators/index.html
index 026ca35ae..dce744cdd 100644
--- a/tests/generators/index.html
+++ b/tests/generators/index.html
@@ -332,6 +332,13 @@ h1 {
           </block>
         </value>
       </block>
+      <block type="lists_split">
+        <value name="DELIM">
+          <block type="text">
+            <field name="TEXT">,</field>
+          </block>
+        </value>
+      </block>
     </category>
     <category name="Colour">
       <block type="colour_picker"></block>
diff --git a/tests/generators/lists.xml b/tests/generators/lists.xml
index fb861edb8..3a93bbfe5 100644
--- a/tests/generators/lists.xml
+++ b/tests/generators/lists.xml
@@ -1,32 +1,42 @@
 <xml xmlns="http://www.w3.org/1999/xhtml">
-  <block type="unittest_main" x="0" y="1">
+  <block type="unittest_main" id="1" x="14" y="-11">
     <statement name="DO">
-      <block type="procedures_callnoreturn">
+      <block type="procedures_callnoreturn" id="2">
         <mutation name="test empty"></mutation>
         <next>
-          <block type="procedures_callnoreturn">
+          <block type="procedures_callnoreturn" id="3">
             <mutation name="test length"></mutation>
             <next>
-              <block type="procedures_callnoreturn">
+              <block type="procedures_callnoreturn" id="4">
                 <mutation name="test find"></mutation>
                 <next>
-                  <block type="procedures_callnoreturn">
+                  <block type="procedures_callnoreturn" id="5">
                     <mutation name="test get"></mutation>
                     <next>
-                      <block type="procedures_callnoreturn">
+                      <block type="procedures_callnoreturn" id="6">
                         <mutation name="test get remove"></mutation>
                         <next>
-                          <block type="procedures_callnoreturn">
+                          <block type="procedures_callnoreturn" id="7">
                             <mutation name="test remove"></mutation>
                             <next>
-                              <block type="procedures_callnoreturn">
+                              <block type="procedures_callnoreturn" id="8">
                                 <mutation name="test set"></mutation>
                                 <next>
-                                  <block type="procedures_callnoreturn">
+                                  <block type="procedures_callnoreturn" id="9">
                                     <mutation name="test insert"></mutation>
                                     <next>
-                                      <block type="procedures_callnoreturn">
+                                      <block type="procedures_callnoreturn" id="10">
                                         <mutation name="test sublist"></mutation>
+                                        <next>
+                                          <block type="procedures_callnoreturn" id="608">
+                                            <mutation name="test join"></mutation>
+                                            <next>
+                                              <block type="procedures_callnoreturn" id="561">
+                                                <mutation name="test split"></mutation>
+                                              </block>
+                                            </next>
+                                          </block>
+                                        </next>
                                       </block>
                                     </next>
                                   </block>
@@ -46,85 +56,85 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="36" y="439">
+  <block type="procedures_defnoreturn" id="11" x="36" y="439">
     <mutation></mutation>
     <field name="NAME">test create</field>
     <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
+      <block type="unittest_assertequals" id="12" inline="false">
         <field name="MESSAGE">test create empty</field>
         <value name="ACTUAL">
-          <block type="lists_create_with">
+          <block type="lists_create_with" id="13">
             <mutation items="0"></mutation>
           </block>
         </value>
         <value name="EXPECTED">
-          <block type="lists_create_empty"></block>
+          <block type="lists_create_empty" id="14"></block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="15" inline="false">
             <field name="MESSAGE">test create items</field>
             <value name="ACTUAL">
-              <block type="lists_create_with" inline="false">
+              <block type="lists_create_with" id="16" inline="false">
                 <mutation items="2"></mutation>
                 <value name="ADD0">
-                  <block type="logic_boolean">
+                  <block type="logic_boolean" id="17">
                     <field name="BOOL">TRUE</field>
                   </block>
                 </value>
                 <value name="ADD1">
-                  <block type="text">
+                  <block type="text" id="18">
                     <field name="TEXT">love</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="lists_create_with" inline="false">
+              <block type="lists_create_with" id="19" inline="false">
                 <mutation items="2"></mutation>
                 <value name="ADD0">
-                  <block type="logic_boolean">
+                  <block type="logic_boolean" id="20">
                     <field name="BOOL">TRUE</field>
                   </block>
                 </value>
                 <value name="ADD1">
-                  <block type="text">
+                  <block type="text" id="21">
                     <field name="TEXT">love</field>
                   </block>
                 </value>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="22" inline="false">
                 <field name="MESSAGE">test create repeated</field>
                 <value name="ACTUAL">
-                  <block type="lists_repeat" inline="true">
+                  <block type="lists_repeat" id="23" inline="true">
                     <value name="ITEM">
-                      <block type="text">
+                      <block type="text" id="24">
                         <field name="TEXT">Eject</field>
                       </block>
                     </value>
                     <value name="NUM">
-                      <block type="math_number">
+                      <block type="math_number" id="25">
                         <field name="NUM">3</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="26" inline="false">
                     <mutation items="3"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="27">
                         <field name="TEXT">Eject</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="28">
                         <field name="TEXT">Eject</field>
                       </block>
                     </value>
                     <value name="ADD2">
-                      <block type="text">
+                      <block type="text" id="29">
                         <field name="TEXT">Eject</field>
                       </block>
                     </value>
@@ -137,20 +147,20 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="33" y="965">
+  <block type="procedures_defnoreturn" id="30" x="33" y="965">
     <mutation></mutation>
     <field name="NAME">test empty</field>
     <statement name="STACK">
-      <block type="unittest_assertvalue" inline="false">
+      <block type="unittest_assertvalue" id="31" inline="false">
         <field name="MESSAGE">not empty</field>
         <field name="EXPECTED">FALSE</field>
         <value name="ACTUAL">
-          <block type="lists_isEmpty" inline="false">
+          <block type="lists_isEmpty" id="32" inline="false">
             <value name="VALUE">
-              <block type="lists_create_with" inline="false">
+              <block type="lists_create_with" id="33" inline="false">
                 <mutation items="1"></mutation>
                 <value name="ADD0">
-                  <block type="math_number">
+                  <block type="math_number" id="34">
                     <field name="NUM">0</field>
                   </block>
                 </value>
@@ -159,13 +169,13 @@
           </block>
         </value>
         <next>
-          <block type="unittest_assertvalue" inline="false">
+          <block type="unittest_assertvalue" id="35" inline="false">
             <field name="MESSAGE">empty</field>
             <field name="EXPECTED">TRUE</field>
             <value name="ACTUAL">
-              <block type="lists_isEmpty" inline="false">
+              <block type="lists_isEmpty" id="36" inline="false">
                 <value name="VALUE">
-                  <block type="lists_create_empty"></block>
+                  <block type="lists_create_empty" id="37"></block>
                 </value>
               </block>
             </value>
@@ -174,34 +184,34 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="25" y="1181">
+  <block type="procedures_defnoreturn" id="38" x="25" y="1181">
     <mutation></mutation>
     <field name="NAME">test length</field>
     <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
+      <block type="unittest_assertequals" id="39" inline="false">
         <field name="MESSAGE">zero length</field>
         <value name="ACTUAL">
-          <block type="lists_length" inline="false">
+          <block type="lists_length" id="40" inline="false">
             <value name="VALUE">
-              <block type="lists_create_empty"></block>
+              <block type="lists_create_empty" id="41"></block>
             </value>
           </block>
         </value>
         <value name="EXPECTED">
-          <block type="math_number">
+          <block type="math_number" id="42">
             <field name="NUM">0</field>
           </block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="43" inline="false">
             <field name="MESSAGE">one length</field>
             <value name="ACTUAL">
-              <block type="lists_length" inline="false">
+              <block type="lists_length" id="44" inline="false">
                 <value name="VALUE">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="45" inline="false">
                     <mutation items="1"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="46">
                         <field name="TEXT">cat</field>
                       </block>
                     </value>
@@ -210,37 +220,37 @@
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="math_number">
+              <block type="math_number" id="47">
                 <field name="NUM">1</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="48" inline="false">
                 <field name="MESSAGE">three length</field>
                 <value name="ACTUAL">
-                  <block type="lists_length" inline="false">
+                  <block type="lists_length" id="49" inline="false">
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="50" inline="false">
                         <mutation items="3"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="51">
                             <field name="TEXT">cat</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="logic_boolean">
+                          <block type="logic_boolean" id="52">
                             <field name="BOOL">TRUE</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="lists_create_empty"></block>
+                          <block type="lists_create_empty" id="53"></block>
                         </value>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="math_number">
+                  <block type="math_number" id="54">
                     <field name="NUM">3</field>
                   </block>
                 </value>
@@ -251,135 +261,135 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="24" y="1556">
+  <block type="procedures_defnoreturn" id="55" x="24" y="1556">
     <mutation></mutation>
     <field name="NAME">test find</field>
     <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
+      <block type="unittest_assertequals" id="56" inline="false">
         <field name="MESSAGE">find first</field>
         <value name="ACTUAL">
-          <block type="lists_indexOf" inline="false">
+          <block type="lists_indexOf" id="57" inline="false">
             <field name="END">FIRST</field>
             <value name="VALUE">
-              <block type="lists_create_with" inline="false">
+              <block type="lists_create_with" id="58" inline="false">
                 <mutation items="4"></mutation>
                 <value name="ADD0">
-                  <block type="text">
+                  <block type="text" id="59">
                     <field name="TEXT">Alice</field>
                   </block>
                 </value>
                 <value name="ADD1">
-                  <block type="text">
+                  <block type="text" id="60">
                     <field name="TEXT">Eve</field>
                   </block>
                 </value>
                 <value name="ADD2">
-                  <block type="text">
+                  <block type="text" id="61">
                     <field name="TEXT">Bob</field>
                   </block>
                 </value>
                 <value name="ADD3">
-                  <block type="text">
+                  <block type="text" id="62">
                     <field name="TEXT">Eve</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="FIND">
-              <block type="text">
+              <block type="text" id="63">
                 <field name="TEXT">Eve</field>
               </block>
             </value>
           </block>
         </value>
         <value name="EXPECTED">
-          <block type="math_number">
+          <block type="math_number" id="64">
             <field name="NUM">2</field>
           </block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="65" inline="false">
             <field name="MESSAGE">find last</field>
             <value name="ACTUAL">
-              <block type="lists_indexOf" inline="false">
+              <block type="lists_indexOf" id="66" inline="false">
                 <field name="END">LAST</field>
                 <value name="VALUE">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="67" inline="false">
                     <mutation items="4"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="68">
                         <field name="TEXT">Alice</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="69">
                         <field name="TEXT">Eve</field>
                       </block>
                     </value>
                     <value name="ADD2">
-                      <block type="text">
+                      <block type="text" id="70">
                         <field name="TEXT">Bob</field>
                       </block>
                     </value>
                     <value name="ADD3">
-                      <block type="text">
+                      <block type="text" id="71">
                         <field name="TEXT">Eve</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="FIND">
-                  <block type="text">
+                  <block type="text" id="72">
                     <field name="TEXT">Eve</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="math_number">
+              <block type="math_number" id="73">
                 <field name="NUM">4</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="74" inline="false">
                 <field name="MESSAGE">find none</field>
                 <value name="ACTUAL">
-                  <block type="lists_indexOf" inline="false">
+                  <block type="lists_indexOf" id="75" inline="false">
                     <field name="END">FIRST</field>
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="76" inline="false">
                         <mutation items="4"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="77">
                             <field name="TEXT">Alice</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="text">
+                          <block type="text" id="78">
                             <field name="TEXT">Bob</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="text">
+                          <block type="text" id="79">
                             <field name="TEXT">Carol</field>
                           </block>
                         </value>
                         <value name="ADD3">
-                          <block type="text">
+                          <block type="text" id="80">
                             <field name="TEXT">Dave</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <value name="FIND">
-                      <block type="text">
+                      <block type="text" id="81">
                         <field name="TEXT">Eve</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="math_number">
+                  <block type="math_number" id="82">
                     <field name="NUM">0</field>
                   </block>
                 </value>
@@ -390,95 +400,95 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="25" y="2199">
+  <block type="procedures_defnoreturn" id="83" x="25" y="2199">
     <mutation></mutation>
     <field name="NAME">test get</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="84" inline="false">
         <field name="VAR">list</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="85" inline="false">
             <mutation items="3"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="86">
                 <field name="TEXT">Kirk</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="87">
                 <field name="TEXT">Spock</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="88">
                 <field name="TEXT">McCoy</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="89" inline="false">
             <field name="MESSAGE">get first</field>
             <value name="ACTUAL">
-              <block type="lists_getIndex" inline="true">
+              <block type="lists_getIndex" id="90" inline="true">
                 <mutation statement="false" at="false"></mutation>
                 <field name="MODE">GET</field>
                 <field name="WHERE">FIRST</field>
                 <value name="VALUE">
-                  <block type="variables_get">
+                  <block type="variables_get" id="91">
                     <field name="VAR">list</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="text">
+              <block type="text" id="92">
                 <field name="TEXT">Kirk</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="93" inline="false">
                 <field name="MESSAGE">get last</field>
                 <value name="ACTUAL">
-                  <block type="lists_getIndex" inline="true">
+                  <block type="lists_getIndex" id="94" inline="true">
                     <mutation statement="false" at="false"></mutation>
                     <field name="MODE">GET</field>
                     <field name="WHERE">LAST</field>
                     <value name="VALUE">
-                      <block type="variables_get">
+                      <block type="variables_get" id="95">
                         <field name="VAR">list</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="text">
+                  <block type="text" id="96">
                     <field name="TEXT">McCoy</field>
                   </block>
                 </value>
                 <next>
-                  <block type="unittest_assertvalue" inline="false">
+                  <block type="unittest_assertvalue" id="97" inline="false">
                     <field name="MESSAGE">get random</field>
                     <field name="EXPECTED">TRUE</field>
                     <value name="ACTUAL">
-                      <block type="math_number_property" inline="true">
+                      <block type="math_number_property" id="98" inline="true">
                         <mutation divisor_input="false"></mutation>
                         <field name="PROPERTY">POSITIVE</field>
                         <value name="NUMBER_TO_CHECK">
-                          <block type="lists_indexOf" inline="false">
+                          <block type="lists_indexOf" id="99" inline="false">
                             <field name="END">FIRST</field>
                             <value name="VALUE">
-                              <block type="variables_get">
+                              <block type="variables_get" id="100">
                                 <field name="VAR">list</field>
                               </block>
                             </value>
                             <value name="FIND">
-                              <block type="lists_getIndex" inline="true">
+                              <block type="lists_getIndex" id="101" inline="true">
                                 <mutation statement="false" at="false"></mutation>
                                 <field name="MODE">GET</field>
                                 <field name="WHERE">RANDOM</field>
                                 <value name="VALUE">
-                                  <block type="variables_get">
+                                  <block type="variables_get" id="102">
                                     <field name="VAR">list</field>
                                   </block>
                                 </value>
@@ -489,52 +499,52 @@
                       </block>
                     </value>
                     <next>
-                      <block type="unittest_assertequals" inline="false">
+                      <block type="unittest_assertequals" id="103" inline="false">
                         <field name="MESSAGE">get #</field>
                         <value name="ACTUAL">
-                          <block type="lists_getIndex" inline="true">
+                          <block type="lists_getIndex" id="104" inline="true">
                             <mutation statement="false" at="true"></mutation>
                             <field name="MODE">GET</field>
                             <field name="WHERE">FROM_START</field>
                             <value name="VALUE">
-                              <block type="variables_get">
+                              <block type="variables_get" id="105">
                                 <field name="VAR">list</field>
                               </block>
                             </value>
                             <value name="AT">
-                              <block type="math_number">
+                              <block type="math_number" id="106">
                                 <field name="NUM">2</field>
                               </block>
                             </value>
                           </block>
                         </value>
                         <value name="EXPECTED">
-                          <block type="text">
+                          <block type="text" id="107">
                             <field name="TEXT">Spock</field>
                           </block>
                         </value>
                         <next>
-                          <block type="unittest_assertequals" inline="false">
+                          <block type="unittest_assertequals" id="108" inline="false">
                             <field name="MESSAGE">get #-end</field>
                             <value name="ACTUAL">
-                              <block type="lists_getIndex" inline="true">
+                              <block type="lists_getIndex" id="109" inline="true">
                                 <mutation statement="false" at="true"></mutation>
                                 <field name="MODE">GET</field>
                                 <field name="WHERE">FROM_END</field>
                                 <value name="VALUE">
-                                  <block type="variables_get">
+                                  <block type="variables_get" id="110">
                                     <field name="VAR">list</field>
                                   </block>
                                 </value>
                                 <value name="AT">
-                                  <block type="math_number">
+                                  <block type="math_number" id="111">
                                     <field name="NUM">3</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <value name="EXPECTED">
-                              <block type="text">
+                              <block type="text" id="112">
                                 <field name="TEXT">Kirk</field>
                               </block>
                             </value>
@@ -551,186 +561,186 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="23" y="2832">
+  <block type="procedures_defnoreturn" id="113" x="23" y="2832">
     <mutation></mutation>
     <field name="NAME">test get remove</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="114" inline="false">
         <field name="VAR">list</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="115" inline="false">
             <mutation items="3"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="116">
                 <field name="TEXT">Kirk</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="117">
                 <field name="TEXT">Spock</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="118">
                 <field name="TEXT">McCoy</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="119" inline="false">
             <field name="MESSAGE">getremove first</field>
             <value name="ACTUAL">
-              <block type="lists_getIndex" inline="true">
+              <block type="lists_getIndex" id="120" inline="true">
                 <mutation statement="false" at="false"></mutation>
                 <field name="MODE">GET_REMOVE</field>
                 <field name="WHERE">FIRST</field>
                 <value name="VALUE">
-                  <block type="variables_get">
+                  <block type="variables_get" id="121">
                     <field name="VAR">list</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="text">
+              <block type="text" id="122">
                 <field name="TEXT">Kirk</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="123" inline="false">
                 <field name="MESSAGE">getremove first list</field>
                 <value name="ACTUAL">
-                  <block type="variables_get">
+                  <block type="variables_get" id="124">
                     <field name="VAR">list</field>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="125" inline="false">
                     <mutation items="2"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="126">
                         <field name="TEXT">Spock</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="127">
                         <field name="TEXT">McCoy</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <next>
-                  <block type="variables_set" inline="false">
+                  <block type="variables_set" id="128" inline="false">
                     <field name="VAR">list</field>
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="129" inline="false">
                         <mutation items="3"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="130">
                             <field name="TEXT">Kirk</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="text">
+                          <block type="text" id="131">
                             <field name="TEXT">Spock</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="text">
+                          <block type="text" id="132">
                             <field name="TEXT">McCoy</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <next>
-                      <block type="unittest_assertequals" inline="false">
+                      <block type="unittest_assertequals" id="133" inline="false">
                         <field name="MESSAGE">getremove last</field>
                         <value name="ACTUAL">
-                          <block type="lists_getIndex" inline="true">
+                          <block type="lists_getIndex" id="134" inline="true">
                             <mutation statement="false" at="false"></mutation>
                             <field name="MODE">GET_REMOVE</field>
                             <field name="WHERE">LAST</field>
                             <value name="VALUE">
-                              <block type="variables_get">
+                              <block type="variables_get" id="135">
                                 <field name="VAR">list</field>
                               </block>
                             </value>
                           </block>
                         </value>
                         <value name="EXPECTED">
-                          <block type="text">
+                          <block type="text" id="136">
                             <field name="TEXT">McCoy</field>
                           </block>
                         </value>
                         <next>
-                          <block type="unittest_assertequals" inline="false">
+                          <block type="unittest_assertequals" id="137" inline="false">
                             <field name="MESSAGE">getremove last list</field>
                             <value name="ACTUAL">
-                              <block type="variables_get">
+                              <block type="variables_get" id="138">
                                 <field name="VAR">list</field>
                               </block>
                             </value>
                             <value name="EXPECTED">
-                              <block type="lists_create_with" inline="false">
+                              <block type="lists_create_with" id="139" inline="false">
                                 <mutation items="2"></mutation>
                                 <value name="ADD0">
-                                  <block type="text">
+                                  <block type="text" id="140">
                                     <field name="TEXT">Kirk</field>
                                   </block>
                                 </value>
                                 <value name="ADD1">
-                                  <block type="text">
+                                  <block type="text" id="141">
                                     <field name="TEXT">Spock</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <next>
-                              <block type="variables_set" inline="false">
+                              <block type="variables_set" id="142" inline="false">
                                 <field name="VAR">list</field>
                                 <value name="VALUE">
-                                  <block type="lists_create_with" inline="false">
+                                  <block type="lists_create_with" id="143" inline="false">
                                     <mutation items="3"></mutation>
                                     <value name="ADD0">
-                                      <block type="text">
+                                      <block type="text" id="144">
                                         <field name="TEXT">Kirk</field>
                                       </block>
                                     </value>
                                     <value name="ADD1">
-                                      <block type="text">
+                                      <block type="text" id="145">
                                         <field name="TEXT">Spock</field>
                                       </block>
                                     </value>
                                     <value name="ADD2">
-                                      <block type="text">
+                                      <block type="text" id="146">
                                         <field name="TEXT">McCoy</field>
                                       </block>
                                     </value>
                                   </block>
                                 </value>
                                 <next>
-                                  <block type="unittest_assertvalue" inline="false">
+                                  <block type="unittest_assertvalue" id="147" inline="false">
                                     <field name="MESSAGE">getremove random</field>
                                     <field name="EXPECTED">TRUE</field>
                                     <value name="ACTUAL">
-                                      <block type="logic_compare" inline="true">
+                                      <block type="logic_compare" id="148" inline="true">
                                         <field name="OP">EQ</field>
                                         <value name="A">
-                                          <block type="lists_indexOf" inline="false">
+                                          <block type="lists_indexOf" id="149" inline="false">
                                             <field name="END">FIRST</field>
                                             <value name="VALUE">
-                                              <block type="variables_get">
+                                              <block type="variables_get" id="150">
                                                 <field name="VAR">list</field>
                                               </block>
                                             </value>
                                             <value name="FIND">
-                                              <block type="lists_getIndex" inline="true">
+                                              <block type="lists_getIndex" id="151" inline="true">
                                                 <mutation statement="false" at="false"></mutation>
                                                 <field name="MODE">GET_REMOVE</field>
                                                 <field name="WHERE">RANDOM</field>
                                                 <value name="VALUE">
-                                                  <block type="variables_get">
+                                                  <block type="variables_get" id="152">
                                                     <field name="VAR">list</field>
                                                   </block>
                                                 </value>
@@ -739,166 +749,166 @@
                                           </block>
                                         </value>
                                         <value name="B">
-                                          <block type="math_number">
+                                          <block type="math_number" id="153">
                                             <field name="NUM">0</field>
                                           </block>
                                         </value>
                                       </block>
                                     </value>
                                     <next>
-                                      <block type="unittest_assertequals" inline="false">
+                                      <block type="unittest_assertequals" id="154" inline="false">
                                         <field name="MESSAGE">getremove random list</field>
                                         <value name="ACTUAL">
-                                          <block type="lists_length" inline="false">
+                                          <block type="lists_length" id="155" inline="false">
                                             <value name="VALUE">
-                                              <block type="variables_get">
+                                              <block type="variables_get" id="156">
                                                 <field name="VAR">list</field>
                                               </block>
                                             </value>
                                           </block>
                                         </value>
                                         <value name="EXPECTED">
-                                          <block type="math_number">
+                                          <block type="math_number" id="157">
                                             <field name="NUM">2</field>
                                           </block>
                                         </value>
                                         <next>
-                                          <block type="variables_set" inline="false">
+                                          <block type="variables_set" id="158" inline="false">
                                             <field name="VAR">list</field>
                                             <value name="VALUE">
-                                              <block type="lists_create_with" inline="false">
+                                              <block type="lists_create_with" id="159" inline="false">
                                                 <mutation items="3"></mutation>
                                                 <value name="ADD0">
-                                                  <block type="text">
+                                                  <block type="text" id="160">
                                                     <field name="TEXT">Kirk</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD1">
-                                                  <block type="text">
+                                                  <block type="text" id="161">
                                                     <field name="TEXT">Spock</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD2">
-                                                  <block type="text">
+                                                  <block type="text" id="162">
                                                     <field name="TEXT">McCoy</field>
                                                   </block>
                                                 </value>
                                               </block>
                                             </value>
                                             <next>
-                                              <block type="unittest_assertequals" inline="false">
+                                              <block type="unittest_assertequals" id="163" inline="false">
                                                 <field name="MESSAGE">getremove #</field>
                                                 <value name="ACTUAL">
-                                                  <block type="lists_getIndex" inline="true">
+                                                  <block type="lists_getIndex" id="164" inline="true">
                                                     <mutation statement="false" at="true"></mutation>
                                                     <field name="MODE">GET_REMOVE</field>
                                                     <field name="WHERE">FROM_START</field>
                                                     <value name="VALUE">
-                                                      <block type="variables_get">
+                                                      <block type="variables_get" id="165">
                                                         <field name="VAR">list</field>
                                                       </block>
                                                     </value>
                                                     <value name="AT">
-                                                      <block type="math_number">
+                                                      <block type="math_number" id="166">
                                                         <field name="NUM">2</field>
                                                       </block>
                                                     </value>
                                                   </block>
                                                 </value>
                                                 <value name="EXPECTED">
-                                                  <block type="text">
+                                                  <block type="text" id="167">
                                                     <field name="TEXT">Spock</field>
                                                   </block>
                                                 </value>
                                                 <next>
-                                                  <block type="unittest_assertequals" inline="false">
+                                                  <block type="unittest_assertequals" id="168" inline="false">
                                                     <field name="MESSAGE">getremove # list</field>
                                                     <value name="ACTUAL">
-                                                      <block type="variables_get">
+                                                      <block type="variables_get" id="169">
                                                         <field name="VAR">list</field>
                                                       </block>
                                                     </value>
                                                     <value name="EXPECTED">
-                                                      <block type="lists_create_with" inline="false">
+                                                      <block type="lists_create_with" id="170" inline="false">
                                                         <mutation items="2"></mutation>
                                                         <value name="ADD0">
-                                                          <block type="text">
+                                                          <block type="text" id="171">
                                                             <field name="TEXT">Kirk</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD1">
-                                                          <block type="text">
+                                                          <block type="text" id="172">
                                                             <field name="TEXT">McCoy</field>
                                                           </block>
                                                         </value>
                                                       </block>
                                                     </value>
                                                     <next>
-                                                      <block type="variables_set" inline="false">
+                                                      <block type="variables_set" id="173" inline="false">
                                                         <field name="VAR">list</field>
                                                         <value name="VALUE">
-                                                          <block type="lists_create_with" inline="false">
+                                                          <block type="lists_create_with" id="174" inline="false">
                                                             <mutation items="3"></mutation>
                                                             <value name="ADD0">
-                                                              <block type="text">
+                                                              <block type="text" id="175">
                                                                 <field name="TEXT">Kirk</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD1">
-                                                              <block type="text">
+                                                              <block type="text" id="176">
                                                                 <field name="TEXT">Spock</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD2">
-                                                              <block type="text">
+                                                              <block type="text" id="177">
                                                                 <field name="TEXT">McCoy</field>
                                                               </block>
                                                             </value>
                                                           </block>
                                                         </value>
                                                         <next>
-                                                          <block type="unittest_assertequals" inline="false">
+                                                          <block type="unittest_assertequals" id="178" inline="false">
                                                             <field name="MESSAGE">getremove #-end</field>
                                                             <value name="ACTUAL">
-                                                              <block type="lists_getIndex" inline="true">
+                                                              <block type="lists_getIndex" id="179" inline="true">
                                                                 <mutation statement="false" at="true"></mutation>
                                                                 <field name="MODE">GET_REMOVE</field>
                                                                 <field name="WHERE">FROM_END</field>
                                                                 <value name="VALUE">
-                                                                  <block type="variables_get">
+                                                                  <block type="variables_get" id="180">
                                                                     <field name="VAR">list</field>
                                                                   </block>
                                                                 </value>
                                                                 <value name="AT">
-                                                                  <block type="math_number">
+                                                                  <block type="math_number" id="181">
                                                                     <field name="NUM">3</field>
                                                                   </block>
                                                                 </value>
                                                               </block>
                                                             </value>
                                                             <value name="EXPECTED">
-                                                              <block type="text">
+                                                              <block type="text" id="182">
                                                                 <field name="TEXT">Kirk</field>
                                                               </block>
                                                             </value>
                                                             <next>
-                                                              <block type="unittest_assertequals" inline="false">
+                                                              <block type="unittest_assertequals" id="183" inline="false">
                                                                 <field name="MESSAGE">getremove #-end list</field>
                                                                 <value name="ACTUAL">
-                                                                  <block type="variables_get">
+                                                                  <block type="variables_get" id="184">
                                                                     <field name="VAR">list</field>
                                                                   </block>
                                                                 </value>
                                                                 <value name="EXPECTED">
-                                                                  <block type="lists_create_with" inline="false">
+                                                                  <block type="lists_create_with" id="185" inline="false">
                                                                     <mutation items="2"></mutation>
                                                                     <value name="ADD0">
-                                                                      <block type="text">
+                                                                      <block type="text" id="186">
                                                                         <field name="TEXT">Spock</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD1">
-                                                                      <block type="text">
+                                                                      <block type="text" id="187">
                                                                         <field name="TEXT">McCoy</field>
                                                                       </block>
                                                                     </value>
@@ -935,288 +945,288 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="15" y="4378">
+  <block type="procedures_defnoreturn" id="188" x="15" y="4378">
     <mutation></mutation>
     <field name="NAME">test remove</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="189" inline="false">
         <field name="VAR">list</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="190" inline="false">
             <mutation items="3"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="191">
                 <field name="TEXT">Kirk</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="192">
                 <field name="TEXT">Spock</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="193">
                 <field name="TEXT">McCoy</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="lists_getIndex" inline="true">
+          <block type="lists_getIndex" id="194" inline="true">
             <mutation statement="true" at="false"></mutation>
             <field name="MODE">REMOVE</field>
             <field name="WHERE">FIRST</field>
             <value name="VALUE">
-              <block type="variables_get">
+              <block type="variables_get" id="195">
                 <field name="VAR">list</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="196" inline="false">
                 <field name="MESSAGE">remove first list</field>
                 <value name="ACTUAL">
-                  <block type="variables_get">
+                  <block type="variables_get" id="197">
                     <field name="VAR">list</field>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="198" inline="false">
                     <mutation items="2"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="199">
                         <field name="TEXT">Spock</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="200">
                         <field name="TEXT">McCoy</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <next>
-                  <block type="variables_set" inline="false">
+                  <block type="variables_set" id="201" inline="false">
                     <field name="VAR">list</field>
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="202" inline="false">
                         <mutation items="3"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="203">
                             <field name="TEXT">Kirk</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="text">
+                          <block type="text" id="204">
                             <field name="TEXT">Spock</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="text">
+                          <block type="text" id="205">
                             <field name="TEXT">McCoy</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <next>
-                      <block type="lists_getIndex" inline="true">
+                      <block type="lists_getIndex" id="206" inline="true">
                         <mutation statement="true" at="false"></mutation>
                         <field name="MODE">REMOVE</field>
                         <field name="WHERE">LAST</field>
                         <value name="VALUE">
-                          <block type="variables_get">
+                          <block type="variables_get" id="207">
                             <field name="VAR">list</field>
                           </block>
                         </value>
                         <next>
-                          <block type="unittest_assertequals" inline="false">
+                          <block type="unittest_assertequals" id="208" inline="false">
                             <field name="MESSAGE">remove last list</field>
                             <value name="ACTUAL">
-                              <block type="variables_get">
+                              <block type="variables_get" id="209">
                                 <field name="VAR">list</field>
                               </block>
                             </value>
                             <value name="EXPECTED">
-                              <block type="lists_create_with" inline="false">
+                              <block type="lists_create_with" id="210" inline="false">
                                 <mutation items="2"></mutation>
                                 <value name="ADD0">
-                                  <block type="text">
+                                  <block type="text" id="211">
                                     <field name="TEXT">Kirk</field>
                                   </block>
                                 </value>
                                 <value name="ADD1">
-                                  <block type="text">
+                                  <block type="text" id="212">
                                     <field name="TEXT">Spock</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <next>
-                              <block type="variables_set" inline="false">
+                              <block type="variables_set" id="213" inline="false">
                                 <field name="VAR">list</field>
                                 <value name="VALUE">
-                                  <block type="lists_create_with" inline="false">
+                                  <block type="lists_create_with" id="214" inline="false">
                                     <mutation items="3"></mutation>
                                     <value name="ADD0">
-                                      <block type="text">
+                                      <block type="text" id="215">
                                         <field name="TEXT">Kirk</field>
                                       </block>
                                     </value>
                                     <value name="ADD1">
-                                      <block type="text">
+                                      <block type="text" id="216">
                                         <field name="TEXT">Spock</field>
                                       </block>
                                     </value>
                                     <value name="ADD2">
-                                      <block type="text">
+                                      <block type="text" id="217">
                                         <field name="TEXT">McCoy</field>
                                       </block>
                                     </value>
                                   </block>
                                 </value>
                                 <next>
-                                  <block type="lists_getIndex" inline="true">
+                                  <block type="lists_getIndex" id="218" inline="true">
                                     <mutation statement="true" at="false"></mutation>
                                     <field name="MODE">REMOVE</field>
                                     <field name="WHERE">RANDOM</field>
                                     <value name="VALUE">
-                                      <block type="variables_get">
+                                      <block type="variables_get" id="219">
                                         <field name="VAR">list</field>
                                       </block>
                                     </value>
                                     <next>
-                                      <block type="unittest_assertequals" inline="false">
+                                      <block type="unittest_assertequals" id="220" inline="false">
                                         <field name="MESSAGE">remove random list</field>
                                         <value name="ACTUAL">
-                                          <block type="lists_length" inline="false">
+                                          <block type="lists_length" id="221" inline="false">
                                             <value name="VALUE">
-                                              <block type="variables_get">
+                                              <block type="variables_get" id="222">
                                                 <field name="VAR">list</field>
                                               </block>
                                             </value>
                                           </block>
                                         </value>
                                         <value name="EXPECTED">
-                                          <block type="math_number">
+                                          <block type="math_number" id="223">
                                             <field name="NUM">2</field>
                                           </block>
                                         </value>
                                         <next>
-                                          <block type="variables_set" inline="false">
+                                          <block type="variables_set" id="224" inline="false">
                                             <field name="VAR">list</field>
                                             <value name="VALUE">
-                                              <block type="lists_create_with" inline="false">
+                                              <block type="lists_create_with" id="225" inline="false">
                                                 <mutation items="3"></mutation>
                                                 <value name="ADD0">
-                                                  <block type="text">
+                                                  <block type="text" id="226">
                                                     <field name="TEXT">Kirk</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD1">
-                                                  <block type="text">
+                                                  <block type="text" id="227">
                                                     <field name="TEXT">Spock</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD2">
-                                                  <block type="text">
+                                                  <block type="text" id="228">
                                                     <field name="TEXT">McCoy</field>
                                                   </block>
                                                 </value>
                                               </block>
                                             </value>
                                             <next>
-                                              <block type="lists_getIndex" inline="true">
+                                              <block type="lists_getIndex" id="229" inline="true">
                                                 <mutation statement="true" at="true"></mutation>
                                                 <field name="MODE">REMOVE</field>
                                                 <field name="WHERE">FROM_START</field>
                                                 <value name="VALUE">
-                                                  <block type="variables_get">
+                                                  <block type="variables_get" id="230">
                                                     <field name="VAR">list</field>
                                                   </block>
                                                 </value>
                                                 <value name="AT">
-                                                  <block type="math_number">
+                                                  <block type="math_number" id="231">
                                                     <field name="NUM">2</field>
                                                   </block>
                                                 </value>
                                                 <next>
-                                                  <block type="unittest_assertequals" inline="false">
+                                                  <block type="unittest_assertequals" id="232" inline="false">
                                                     <field name="MESSAGE">remove # list</field>
                                                     <value name="ACTUAL">
-                                                      <block type="variables_get">
+                                                      <block type="variables_get" id="233">
                                                         <field name="VAR">list</field>
                                                       </block>
                                                     </value>
                                                     <value name="EXPECTED">
-                                                      <block type="lists_create_with" inline="false">
+                                                      <block type="lists_create_with" id="234" inline="false">
                                                         <mutation items="2"></mutation>
                                                         <value name="ADD0">
-                                                          <block type="text">
+                                                          <block type="text" id="235">
                                                             <field name="TEXT">Kirk</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD1">
-                                                          <block type="text">
+                                                          <block type="text" id="236">
                                                             <field name="TEXT">McCoy</field>
                                                           </block>
                                                         </value>
                                                       </block>
                                                     </value>
                                                     <next>
-                                                      <block type="variables_set" inline="false">
+                                                      <block type="variables_set" id="237" inline="false">
                                                         <field name="VAR">list</field>
                                                         <value name="VALUE">
-                                                          <block type="lists_create_with" inline="false">
+                                                          <block type="lists_create_with" id="238" inline="false">
                                                             <mutation items="3"></mutation>
                                                             <value name="ADD0">
-                                                              <block type="text">
+                                                              <block type="text" id="239">
                                                                 <field name="TEXT">Kirk</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD1">
-                                                              <block type="text">
+                                                              <block type="text" id="240">
                                                                 <field name="TEXT">Spock</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD2">
-                                                              <block type="text">
+                                                              <block type="text" id="241">
                                                                 <field name="TEXT">McCoy</field>
                                                               </block>
                                                             </value>
                                                           </block>
                                                         </value>
                                                         <next>
-                                                          <block type="lists_getIndex" inline="true">
+                                                          <block type="lists_getIndex" id="242" inline="true">
                                                             <mutation statement="true" at="true"></mutation>
                                                             <field name="MODE">REMOVE</field>
                                                             <field name="WHERE">FROM_END</field>
                                                             <value name="VALUE">
-                                                              <block type="variables_get">
+                                                              <block type="variables_get" id="243">
                                                                 <field name="VAR">list</field>
                                                               </block>
                                                             </value>
                                                             <value name="AT">
-                                                              <block type="math_number">
+                                                              <block type="math_number" id="244">
                                                                 <field name="NUM">3</field>
                                                               </block>
                                                             </value>
                                                             <next>
-                                                              <block type="unittest_assertequals" inline="false">
+                                                              <block type="unittest_assertequals" id="245" inline="false">
                                                                 <field name="MESSAGE">remove #-end list</field>
                                                                 <value name="ACTUAL">
-                                                                  <block type="variables_get">
+                                                                  <block type="variables_get" id="246">
                                                                     <field name="VAR">list</field>
                                                                   </block>
                                                                 </value>
                                                                 <value name="EXPECTED">
-                                                                  <block type="lists_create_with" inline="false">
+                                                                  <block type="lists_create_with" id="247" inline="false">
                                                                     <mutation items="2"></mutation>
                                                                     <value name="ADD0">
-                                                                      <block type="text">
+                                                                      <block type="text" id="248">
                                                                         <field name="TEXT">Spock</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD1">
-                                                                      <block type="text">
+                                                                      <block type="text" id="249">
                                                                         <field name="TEXT">McCoy</field>
                                                                       </block>
                                                                     </value>
@@ -1253,333 +1263,333 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="17" y="5626">
+  <block type="procedures_defnoreturn" id="250" x="17" y="5626">
     <mutation></mutation>
     <field name="NAME">test set</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="251" inline="false">
         <field name="VAR">x</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="252" inline="false">
             <mutation items="3"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="253">
                 <field name="TEXT">Picard</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="254">
                 <field name="TEXT">Riker</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="255">
                 <field name="TEXT">Crusher</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="lists_setIndex" inline="true">
+          <block type="lists_setIndex" id="256" inline="true">
             <mutation at="false"></mutation>
             <field name="MODE">SET</field>
             <field name="WHERE">FIRST</field>
             <value name="LIST">
-              <block type="variables_get">
+              <block type="variables_get" id="257">
                 <field name="VAR">x</field>
               </block>
             </value>
             <value name="TO">
-              <block type="text">
+              <block type="text" id="258">
                 <field name="TEXT">Jean-Luc</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="259" inline="false">
                 <field name="MESSAGE">set first list</field>
                 <value name="ACTUAL">
-                  <block type="variables_get">
+                  <block type="variables_get" id="260">
                     <field name="VAR">x</field>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="261" inline="false">
                     <mutation items="3"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="262">
                         <field name="TEXT">Jean-Luc</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="263">
                         <field name="TEXT">Riker</field>
                       </block>
                     </value>
                     <value name="ADD2">
-                      <block type="text">
+                      <block type="text" id="264">
                         <field name="TEXT">Crusher</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <next>
-                  <block type="variables_set" inline="false">
+                  <block type="variables_set" id="265" inline="false">
                     <field name="VAR">x</field>
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="266" inline="false">
                         <mutation items="3"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="267">
                             <field name="TEXT">Picard</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="text">
+                          <block type="text" id="268">
                             <field name="TEXT">Riker</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="text">
+                          <block type="text" id="269">
                             <field name="TEXT">Crusher</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <next>
-                      <block type="lists_setIndex" inline="true">
+                      <block type="lists_setIndex" id="270" inline="true">
                         <mutation at="false"></mutation>
                         <field name="MODE">SET</field>
                         <field name="WHERE">LAST</field>
                         <value name="LIST">
-                          <block type="variables_get">
+                          <block type="variables_get" id="271">
                             <field name="VAR">x</field>
                           </block>
                         </value>
                         <value name="TO">
-                          <block type="text">
+                          <block type="text" id="272">
                             <field name="TEXT">Beverly</field>
                           </block>
                         </value>
                         <next>
-                          <block type="unittest_assertequals" inline="false">
+                          <block type="unittest_assertequals" id="273" inline="false">
                             <field name="MESSAGE">set last list</field>
                             <value name="ACTUAL">
-                              <block type="variables_get">
+                              <block type="variables_get" id="274">
                                 <field name="VAR">x</field>
                               </block>
                             </value>
                             <value name="EXPECTED">
-                              <block type="lists_create_with" inline="false">
+                              <block type="lists_create_with" id="275" inline="false">
                                 <mutation items="3"></mutation>
                                 <value name="ADD0">
-                                  <block type="text">
+                                  <block type="text" id="276">
                                     <field name="TEXT">Picard</field>
                                   </block>
                                 </value>
                                 <value name="ADD1">
-                                  <block type="text">
+                                  <block type="text" id="277">
                                     <field name="TEXT">Riker</field>
                                   </block>
                                 </value>
                                 <value name="ADD2">
-                                  <block type="text">
+                                  <block type="text" id="278">
                                     <field name="TEXT">Beverly</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <next>
-                              <block type="variables_set" inline="false">
+                              <block type="variables_set" id="279" inline="false">
                                 <field name="VAR">x</field>
                                 <value name="VALUE">
-                                  <block type="lists_create_with" inline="false">
+                                  <block type="lists_create_with" id="280" inline="false">
                                     <mutation items="3"></mutation>
                                     <value name="ADD0">
-                                      <block type="text">
+                                      <block type="text" id="281">
                                         <field name="TEXT">Picard</field>
                                       </block>
                                     </value>
                                     <value name="ADD1">
-                                      <block type="text">
+                                      <block type="text" id="282">
                                         <field name="TEXT">Riker</field>
                                       </block>
                                     </value>
                                     <value name="ADD2">
-                                      <block type="text">
+                                      <block type="text" id="283">
                                         <field name="TEXT">Crusher</field>
                                       </block>
                                     </value>
                                   </block>
                                 </value>
                                 <next>
-                                  <block type="lists_setIndex" inline="true">
+                                  <block type="lists_setIndex" id="284" inline="true">
                                     <mutation at="false"></mutation>
                                     <field name="MODE">SET</field>
                                     <field name="WHERE">RANDOM</field>
                                     <value name="LIST">
-                                      <block type="variables_get">
+                                      <block type="variables_get" id="285">
                                         <field name="VAR">x</field>
                                       </block>
                                     </value>
                                     <value name="TO">
-                                      <block type="text">
+                                      <block type="text" id="286">
                                         <field name="TEXT">Data</field>
                                       </block>
                                     </value>
                                     <next>
-                                      <block type="unittest_assertequals" inline="false">
+                                      <block type="unittest_assertequals" id="287" inline="false">
                                         <field name="MESSAGE">set random list</field>
                                         <value name="ACTUAL">
-                                          <block type="lists_length" inline="false">
+                                          <block type="lists_length" id="288" inline="false">
                                             <value name="VALUE">
-                                              <block type="variables_get">
+                                              <block type="variables_get" id="289">
                                                 <field name="VAR">x</field>
                                               </block>
                                             </value>
                                           </block>
                                         </value>
                                         <value name="EXPECTED">
-                                          <block type="math_number">
+                                          <block type="math_number" id="290">
                                             <field name="NUM">3</field>
                                           </block>
                                         </value>
                                         <next>
-                                          <block type="variables_set" inline="false">
+                                          <block type="variables_set" id="291" inline="false">
                                             <field name="VAR">x</field>
                                             <value name="VALUE">
-                                              <block type="lists_create_with" inline="false">
+                                              <block type="lists_create_with" id="292" inline="false">
                                                 <mutation items="3"></mutation>
                                                 <value name="ADD0">
-                                                  <block type="text">
+                                                  <block type="text" id="293">
                                                     <field name="TEXT">Picard</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD1">
-                                                  <block type="text">
+                                                  <block type="text" id="294">
                                                     <field name="TEXT">Riker</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD2">
-                                                  <block type="text">
+                                                  <block type="text" id="295">
                                                     <field name="TEXT">Crusher</field>
                                                   </block>
                                                 </value>
                                               </block>
                                             </value>
                                             <next>
-                                              <block type="lists_setIndex" inline="true">
+                                              <block type="lists_setIndex" id="296" inline="true">
                                                 <mutation at="true"></mutation>
                                                 <field name="MODE">SET</field>
                                                 <field name="WHERE">FROM_START</field>
                                                 <value name="LIST">
-                                                  <block type="variables_get">
+                                                  <block type="variables_get" id="297">
                                                     <field name="VAR">x</field>
                                                   </block>
                                                 </value>
                                                 <value name="AT">
-                                                  <block type="math_number">
+                                                  <block type="math_number" id="298">
                                                     <field name="NUM">3</field>
                                                   </block>
                                                 </value>
                                                 <value name="TO">
-                                                  <block type="text">
+                                                  <block type="text" id="299">
                                                     <field name="TEXT">Pulaski</field>
                                                   </block>
                                                 </value>
                                                 <next>
-                                                  <block type="unittest_assertequals" inline="false">
+                                                  <block type="unittest_assertequals" id="300" inline="false">
                                                     <field name="MESSAGE">set # list</field>
                                                     <value name="ACTUAL">
-                                                      <block type="variables_get">
+                                                      <block type="variables_get" id="301">
                                                         <field name="VAR">x</field>
                                                       </block>
                                                     </value>
                                                     <value name="EXPECTED">
-                                                      <block type="lists_create_with" inline="false">
+                                                      <block type="lists_create_with" id="302" inline="false">
                                                         <mutation items="3"></mutation>
                                                         <value name="ADD0">
-                                                          <block type="text">
+                                                          <block type="text" id="303">
                                                             <field name="TEXT">Picard</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD1">
-                                                          <block type="text">
+                                                          <block type="text" id="304">
                                                             <field name="TEXT">Riker</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD2">
-                                                          <block type="text">
+                                                          <block type="text" id="305">
                                                             <field name="TEXT">Pulaski</field>
                                                           </block>
                                                         </value>
                                                       </block>
                                                     </value>
                                                     <next>
-                                                      <block type="variables_set" inline="false">
+                                                      <block type="variables_set" id="306" inline="false">
                                                         <field name="VAR">x</field>
                                                         <value name="VALUE">
-                                                          <block type="lists_create_with" inline="false">
+                                                          <block type="lists_create_with" id="307" inline="false">
                                                             <mutation items="3"></mutation>
                                                             <value name="ADD0">
-                                                              <block type="text">
+                                                              <block type="text" id="308">
                                                                 <field name="TEXT">Picard</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD1">
-                                                              <block type="text">
+                                                              <block type="text" id="309">
                                                                 <field name="TEXT">Riker</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD2">
-                                                              <block type="text">
+                                                              <block type="text" id="310">
                                                                 <field name="TEXT">Crusher</field>
                                                               </block>
                                                             </value>
                                                           </block>
                                                         </value>
                                                         <next>
-                                                          <block type="lists_setIndex" inline="true">
+                                                          <block type="lists_setIndex" id="311" inline="true">
                                                             <mutation at="true"></mutation>
                                                             <field name="MODE">SET</field>
                                                             <field name="WHERE">FROM_END</field>
                                                             <value name="LIST">
-                                                              <block type="variables_get">
+                                                              <block type="variables_get" id="312">
                                                                 <field name="VAR">x</field>
                                                               </block>
                                                             </value>
                                                             <value name="AT">
-                                                              <block type="math_number">
+                                                              <block type="math_number" id="313">
                                                                 <field name="NUM">1</field>
                                                               </block>
                                                             </value>
                                                             <value name="TO">
-                                                              <block type="text">
+                                                              <block type="text" id="314">
                                                                 <field name="TEXT">Pulaski</field>
                                                               </block>
                                                             </value>
                                                             <next>
-                                                              <block type="unittest_assertequals" inline="false">
+                                                              <block type="unittest_assertequals" id="315" inline="false">
                                                                 <field name="MESSAGE">set #-end list</field>
                                                                 <value name="ACTUAL">
-                                                                  <block type="variables_get">
+                                                                  <block type="variables_get" id="316">
                                                                     <field name="VAR">x</field>
                                                                   </block>
                                                                 </value>
                                                                 <value name="EXPECTED">
-                                                                  <block type="lists_create_with" inline="false">
+                                                                  <block type="lists_create_with" id="317" inline="false">
                                                                     <mutation items="3"></mutation>
                                                                     <value name="ADD0">
-                                                                      <block type="text">
+                                                                      <block type="text" id="318">
                                                                         <field name="TEXT">Picard</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD1">
-                                                                      <block type="text">
+                                                                      <block type="text" id="319">
                                                                         <field name="TEXT">Riker</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD2">
-                                                                      <block type="text">
+                                                                      <block type="text" id="320">
                                                                         <field name="TEXT">Pulaski</field>
                                                                       </block>
                                                                     </value>
@@ -1616,353 +1626,353 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="32" y="6947">
+  <block type="procedures_defnoreturn" id="321" x="32" y="6947">
     <mutation></mutation>
     <field name="NAME">test insert</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="322" inline="false">
         <field name="VAR">x</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="323" inline="false">
             <mutation items="3"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="324">
                 <field name="TEXT">Picard</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="325">
                 <field name="TEXT">Riker</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="326">
                 <field name="TEXT">Crusher</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="lists_setIndex" inline="true">
+          <block type="lists_setIndex" id="327" inline="true">
             <mutation at="false"></mutation>
             <field name="MODE">INSERT</field>
             <field name="WHERE">FIRST</field>
             <value name="LIST">
-              <block type="variables_get">
+              <block type="variables_get" id="328">
                 <field name="VAR">x</field>
               </block>
             </value>
             <value name="TO">
-              <block type="text">
+              <block type="text" id="329">
                 <field name="TEXT">Data</field>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="330" inline="false">
                 <field name="MESSAGE">insert first list</field>
                 <value name="ACTUAL">
-                  <block type="variables_get">
+                  <block type="variables_get" id="331">
                     <field name="VAR">x</field>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="332" inline="false">
                     <mutation items="4"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="333">
                         <field name="TEXT">Data</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="334">
                         <field name="TEXT">Picard</field>
                       </block>
                     </value>
                     <value name="ADD2">
-                      <block type="text">
+                      <block type="text" id="335">
                         <field name="TEXT">Riker</field>
                       </block>
                     </value>
                     <value name="ADD3">
-                      <block type="text">
+                      <block type="text" id="336">
                         <field name="TEXT">Crusher</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <next>
-                  <block type="variables_set" inline="false">
+                  <block type="variables_set" id="337" inline="false">
                     <field name="VAR">x</field>
                     <value name="VALUE">
-                      <block type="lists_create_with" inline="false">
+                      <block type="lists_create_with" id="338" inline="false">
                         <mutation items="3"></mutation>
                         <value name="ADD0">
-                          <block type="text">
+                          <block type="text" id="339">
                             <field name="TEXT">Picard</field>
                           </block>
                         </value>
                         <value name="ADD1">
-                          <block type="text">
+                          <block type="text" id="340">
                             <field name="TEXT">Riker</field>
                           </block>
                         </value>
                         <value name="ADD2">
-                          <block type="text">
+                          <block type="text" id="341">
                             <field name="TEXT">Crusher</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <next>
-                      <block type="lists_setIndex" inline="true">
+                      <block type="lists_setIndex" id="342" inline="true">
                         <mutation at="false"></mutation>
                         <field name="MODE">INSERT</field>
                         <field name="WHERE">LAST</field>
                         <value name="LIST">
-                          <block type="variables_get">
+                          <block type="variables_get" id="343">
                             <field name="VAR">x</field>
                           </block>
                         </value>
                         <value name="TO">
-                          <block type="text">
+                          <block type="text" id="344">
                             <field name="TEXT">Data</field>
                           </block>
                         </value>
                         <next>
-                          <block type="unittest_assertequals" inline="false">
+                          <block type="unittest_assertequals" id="345" inline="false">
                             <field name="MESSAGE">insert last list</field>
                             <value name="ACTUAL">
-                              <block type="variables_get">
+                              <block type="variables_get" id="346">
                                 <field name="VAR">x</field>
                               </block>
                             </value>
                             <value name="EXPECTED">
-                              <block type="lists_create_with" inline="false">
+                              <block type="lists_create_with" id="347" inline="false">
                                 <mutation items="4"></mutation>
                                 <value name="ADD0">
-                                  <block type="text">
+                                  <block type="text" id="348">
                                     <field name="TEXT">Picard</field>
                                   </block>
                                 </value>
                                 <value name="ADD1">
-                                  <block type="text">
+                                  <block type="text" id="349">
                                     <field name="TEXT">Riker</field>
                                   </block>
                                 </value>
                                 <value name="ADD2">
-                                  <block type="text">
+                                  <block type="text" id="350">
                                     <field name="TEXT">Crusher</field>
                                   </block>
                                 </value>
                                 <value name="ADD3">
-                                  <block type="text">
+                                  <block type="text" id="351">
                                     <field name="TEXT">Data</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <next>
-                              <block type="variables_set" inline="false">
+                              <block type="variables_set" id="352" inline="false">
                                 <field name="VAR">x</field>
                                 <value name="VALUE">
-                                  <block type="lists_create_with" inline="false">
+                                  <block type="lists_create_with" id="353" inline="false">
                                     <mutation items="3"></mutation>
                                     <value name="ADD0">
-                                      <block type="text">
+                                      <block type="text" id="354">
                                         <field name="TEXT">Picard</field>
                                       </block>
                                     </value>
                                     <value name="ADD1">
-                                      <block type="text">
+                                      <block type="text" id="355">
                                         <field name="TEXT">Riker</field>
                                       </block>
                                     </value>
                                     <value name="ADD2">
-                                      <block type="text">
+                                      <block type="text" id="356">
                                         <field name="TEXT">Crusher</field>
                                       </block>
                                     </value>
                                   </block>
                                 </value>
                                 <next>
-                                  <block type="lists_setIndex" inline="true">
+                                  <block type="lists_setIndex" id="357" inline="true">
                                     <mutation at="false"></mutation>
                                     <field name="MODE">INSERT</field>
                                     <field name="WHERE">RANDOM</field>
                                     <value name="LIST">
-                                      <block type="variables_get">
+                                      <block type="variables_get" id="358">
                                         <field name="VAR">x</field>
                                       </block>
                                     </value>
                                     <value name="TO">
-                                      <block type="text">
+                                      <block type="text" id="359">
                                         <field name="TEXT">Data</field>
                                       </block>
                                     </value>
                                     <next>
-                                      <block type="unittest_assertequals" inline="false">
+                                      <block type="unittest_assertequals" id="360" inline="false">
                                         <field name="MESSAGE">insert random list</field>
                                         <value name="ACTUAL">
-                                          <block type="lists_length" inline="false">
+                                          <block type="lists_length" id="361" inline="false">
                                             <value name="VALUE">
-                                              <block type="variables_get">
+                                              <block type="variables_get" id="362">
                                                 <field name="VAR">x</field>
                                               </block>
                                             </value>
                                           </block>
                                         </value>
                                         <value name="EXPECTED">
-                                          <block type="math_number">
+                                          <block type="math_number" id="363">
                                             <field name="NUM">4</field>
                                           </block>
                                         </value>
                                         <next>
-                                          <block type="variables_set" inline="false">
+                                          <block type="variables_set" id="364" inline="false">
                                             <field name="VAR">x</field>
                                             <value name="VALUE">
-                                              <block type="lists_create_with" inline="false">
+                                              <block type="lists_create_with" id="365" inline="false">
                                                 <mutation items="3"></mutation>
                                                 <value name="ADD0">
-                                                  <block type="text">
+                                                  <block type="text" id="366">
                                                     <field name="TEXT">Picard</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD1">
-                                                  <block type="text">
+                                                  <block type="text" id="367">
                                                     <field name="TEXT">Riker</field>
                                                   </block>
                                                 </value>
                                                 <value name="ADD2">
-                                                  <block type="text">
+                                                  <block type="text" id="368">
                                                     <field name="TEXT">Crusher</field>
                                                   </block>
                                                 </value>
                                               </block>
                                             </value>
                                             <next>
-                                              <block type="lists_setIndex" inline="true">
+                                              <block type="lists_setIndex" id="369" inline="true">
                                                 <mutation at="true"></mutation>
                                                 <field name="MODE">INSERT</field>
                                                 <field name="WHERE">FROM_START</field>
                                                 <value name="LIST">
-                                                  <block type="variables_get">
+                                                  <block type="variables_get" id="370">
                                                     <field name="VAR">x</field>
                                                   </block>
                                                 </value>
                                                 <value name="AT">
-                                                  <block type="math_number">
+                                                  <block type="math_number" id="371">
                                                     <field name="NUM">3</field>
                                                   </block>
                                                 </value>
                                                 <value name="TO">
-                                                  <block type="text">
+                                                  <block type="text" id="372">
                                                     <field name="TEXT">Data</field>
                                                   </block>
                                                 </value>
                                                 <next>
-                                                  <block type="unittest_assertequals" inline="false">
+                                                  <block type="unittest_assertequals" id="373" inline="false">
                                                     <field name="MESSAGE">insert # list</field>
                                                     <value name="ACTUAL">
-                                                      <block type="variables_get">
+                                                      <block type="variables_get" id="374">
                                                         <field name="VAR">x</field>
                                                       </block>
                                                     </value>
                                                     <value name="EXPECTED">
-                                                      <block type="lists_create_with" inline="false">
+                                                      <block type="lists_create_with" id="375" inline="false">
                                                         <mutation items="4"></mutation>
                                                         <value name="ADD0">
-                                                          <block type="text">
+                                                          <block type="text" id="376">
                                                             <field name="TEXT">Picard</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD1">
-                                                          <block type="text">
+                                                          <block type="text" id="377">
                                                             <field name="TEXT">Riker</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD2">
-                                                          <block type="text">
+                                                          <block type="text" id="378">
                                                             <field name="TEXT">Data</field>
                                                           </block>
                                                         </value>
                                                         <value name="ADD3">
-                                                          <block type="text">
+                                                          <block type="text" id="379">
                                                             <field name="TEXT">Crusher</field>
                                                           </block>
                                                         </value>
                                                       </block>
                                                     </value>
                                                     <next>
-                                                      <block type="variables_set" inline="false">
+                                                      <block type="variables_set" id="380" inline="false">
                                                         <field name="VAR">x</field>
                                                         <value name="VALUE">
-                                                          <block type="lists_create_with" inline="false">
+                                                          <block type="lists_create_with" id="381" inline="false">
                                                             <mutation items="3"></mutation>
                                                             <value name="ADD0">
-                                                              <block type="text">
+                                                              <block type="text" id="382">
                                                                 <field name="TEXT">Picard</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD1">
-                                                              <block type="text">
+                                                              <block type="text" id="383">
                                                                 <field name="TEXT">Riker</field>
                                                               </block>
                                                             </value>
                                                             <value name="ADD2">
-                                                              <block type="text">
+                                                              <block type="text" id="384">
                                                                 <field name="TEXT">Crusher</field>
                                                               </block>
                                                             </value>
                                                           </block>
                                                         </value>
                                                         <next>
-                                                          <block type="lists_setIndex" inline="true">
+                                                          <block type="lists_setIndex" id="385" inline="true">
                                                             <mutation at="true"></mutation>
                                                             <field name="MODE">INSERT</field>
                                                             <field name="WHERE">FROM_END</field>
                                                             <value name="LIST">
-                                                              <block type="variables_get">
+                                                              <block type="variables_get" id="386">
                                                                 <field name="VAR">x</field>
                                                               </block>
                                                             </value>
                                                             <value name="AT">
-                                                              <block type="math_number">
+                                                              <block type="math_number" id="387">
                                                                 <field name="NUM">1</field>
                                                               </block>
                                                             </value>
                                                             <value name="TO">
-                                                              <block type="text">
+                                                              <block type="text" id="388">
                                                                 <field name="TEXT">Data</field>
                                                               </block>
                                                             </value>
                                                             <next>
-                                                              <block type="unittest_assertequals" inline="false">
+                                                              <block type="unittest_assertequals" id="389" inline="false">
                                                                 <field name="MESSAGE">insert #-end list</field>
                                                                 <value name="ACTUAL">
-                                                                  <block type="variables_get">
+                                                                  <block type="variables_get" id="390">
                                                                     <field name="VAR">x</field>
                                                                   </block>
                                                                 </value>
                                                                 <value name="EXPECTED">
-                                                                  <block type="lists_create_with" inline="false">
+                                                                  <block type="lists_create_with" id="391" inline="false">
                                                                     <mutation items="4"></mutation>
                                                                     <value name="ADD0">
-                                                                      <block type="text">
+                                                                      <block type="text" id="392">
                                                                         <field name="TEXT">Picard</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD1">
-                                                                      <block type="text">
+                                                                      <block type="text" id="393">
                                                                         <field name="TEXT">Riker</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD2">
-                                                                      <block type="text">
+                                                                      <block type="text" id="394">
                                                                         <field name="TEXT">Data</field>
                                                                       </block>
                                                                     </value>
                                                                     <value name="ADD3">
-                                                                      <block type="text">
+                                                                      <block type="text" id="395">
                                                                         <field name="TEXT">Crusher</field>
                                                                       </block>
                                                                     </value>
@@ -1999,139 +2009,139 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="47" y="8393">
+  <block type="procedures_defnoreturn" id="396" x="47" y="8393">
     <mutation></mutation>
     <field name="NAME">test sublist</field>
     <statement name="STACK">
-      <block type="variables_set" inline="false">
+      <block type="variables_set" id="397" inline="false">
         <field name="VAR">list</field>
         <value name="VALUE">
-          <block type="lists_create_with" inline="false">
+          <block type="lists_create_with" id="398" inline="false">
             <mutation items="5"></mutation>
             <value name="ADD0">
-              <block type="text">
+              <block type="text" id="399">
                 <field name="TEXT">Columbia</field>
               </block>
             </value>
             <value name="ADD1">
-              <block type="text">
+              <block type="text" id="400">
                 <field name="TEXT">Challenger</field>
               </block>
             </value>
             <value name="ADD2">
-              <block type="text">
+              <block type="text" id="401">
                 <field name="TEXT">Discovery</field>
               </block>
             </value>
             <value name="ADD3">
-              <block type="text">
+              <block type="text" id="402">
                 <field name="TEXT">Atlantis</field>
               </block>
             </value>
             <value name="ADD4">
-              <block type="text">
+              <block type="text" id="403">
                 <field name="TEXT">Endeavour</field>
               </block>
             </value>
           </block>
         </value>
         <next>
-          <block type="unittest_assertequals" inline="false">
+          <block type="unittest_assertequals" id="404" inline="false">
             <field name="MESSAGE">sublist # start</field>
             <value name="ACTUAL">
-              <block type="lists_getSublist" inline="true">
+              <block type="lists_getSublist" id="405" inline="true">
                 <mutation at1="true" at2="true"></mutation>
                 <field name="WHERE1">FROM_START</field>
                 <field name="WHERE2">FROM_START</field>
                 <value name="LIST">
-                  <block type="variables_get">
+                  <block type="variables_get" id="406">
                     <field name="VAR">list</field>
                   </block>
                 </value>
                 <value name="AT1">
-                  <block type="math_number">
+                  <block type="math_number" id="407">
                     <field name="NUM">2</field>
                   </block>
                 </value>
                 <value name="AT2">
-                  <block type="math_number">
+                  <block type="math_number" id="408">
                     <field name="NUM">3</field>
                   </block>
                 </value>
               </block>
             </value>
             <value name="EXPECTED">
-              <block type="lists_create_with" inline="false">
+              <block type="lists_create_with" id="409" inline="false">
                 <mutation items="2"></mutation>
                 <value name="ADD0">
-                  <block type="text">
+                  <block type="text" id="410">
                     <field name="TEXT">Challenger</field>
                   </block>
                 </value>
                 <value name="ADD1">
-                  <block type="text">
+                  <block type="text" id="411">
                     <field name="TEXT">Discovery</field>
                   </block>
                 </value>
               </block>
             </value>
             <next>
-              <block type="unittest_assertequals" inline="false">
+              <block type="unittest_assertequals" id="412" inline="false">
                 <field name="MESSAGE">sublist # end</field>
                 <value name="ACTUAL">
-                  <block type="lists_getSublist" inline="true">
+                  <block type="lists_getSublist" id="413" inline="true">
                     <mutation at1="true" at2="true"></mutation>
                     <field name="WHERE1">FROM_END</field>
                     <field name="WHERE2">FROM_END</field>
                     <value name="LIST">
-                      <block type="variables_get">
+                      <block type="variables_get" id="414">
                         <field name="VAR">list</field>
                       </block>
                     </value>
                     <value name="AT1">
-                      <block type="math_number">
+                      <block type="math_number" id="415">
                         <field name="NUM">3</field>
                       </block>
                     </value>
                     <value name="AT2">
-                      <block type="math_number">
+                      <block type="math_number" id="416">
                         <field name="NUM">2</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <value name="EXPECTED">
-                  <block type="lists_create_with" inline="false">
+                  <block type="lists_create_with" id="417" inline="false">
                     <mutation items="2"></mutation>
                     <value name="ADD0">
-                      <block type="text">
+                      <block type="text" id="418">
                         <field name="TEXT">Discovery</field>
                       </block>
                     </value>
                     <value name="ADD1">
-                      <block type="text">
+                      <block type="text" id="419">
                         <field name="TEXT">Atlantis</field>
                       </block>
                     </value>
                   </block>
                 </value>
                 <next>
-                  <block type="unittest_assertequals" inline="false">
+                  <block type="unittest_assertequals" id="420" inline="false">
                     <field name="MESSAGE">sublist first-last</field>
                     <value name="ACTUAL">
-                      <block type="lists_getSublist" inline="true">
+                      <block type="lists_getSublist" id="421" inline="true">
                         <mutation at1="false" at2="false"></mutation>
                         <field name="WHERE1">FIRST</field>
                         <field name="WHERE2">LAST</field>
                         <value name="LIST">
-                          <block type="variables_get">
+                          <block type="variables_get" id="422">
                             <field name="VAR">list</field>
                           </block>
                         </value>
                       </block>
                     </value>
                     <value name="EXPECTED">
-                      <block type="variables_get">
+                      <block type="variables_get" id="423">
                         <field name="VAR">list</field>
                       </block>
                     </value>
@@ -2144,4 +2154,112 @@
       </block>
     </statement>
   </block>
+  <block type="procedures_defnoreturn" id="592" x="52" y="8999">
+    <mutation></mutation>
+    <field name="NAME">test join</field>
+    <statement name="STACK">
+      <block type="variables_set" id="492" inline="false">
+        <field name="VAR">list</field>
+        <value name="VALUE">
+          <block type="lists_create_with" id="493" inline="false">
+            <mutation items="3"></mutation>
+            <value name="ADD0">
+              <block type="text" id="494">
+                <field name="TEXT">Vulcan</field>
+              </block>
+            </value>
+            <value name="ADD1">
+              <block type="text" id="495">
+                <field name="TEXT">Klingon</field>
+              </block>
+            </value>
+            <value name="ADD2">
+              <block type="text" id="496">
+                <field name="TEXT">Borg</field>
+              </block>
+            </value>
+          </block>
+        </value>
+        <next>
+          <block type="unittest_assertequals" id="506" inline="false">
+            <field name="MESSAGE">join</field>
+            <value name="ACTUAL">
+              <block type="lists_split" id="462" inline="true">
+                <field name="MODE">JOIN</field>
+                <value name="INPUT">
+                  <block type="variables_get" id="511">
+                    <field name="VAR">list</field>
+                  </block>
+                </value>
+                <value name="DELIM">
+                  <block type="text" id="463">
+                    <field name="TEXT">,</field>
+                  </block>
+                </value>
+              </block>
+            </value>
+            <value name="EXPECTED">
+              <block type="text" id="510">
+                <field name="TEXT">Vulcan,Klingon,Borg</field>
+              </block>
+            </value>
+          </block>
+        </next>
+      </block>
+    </statement>
+  </block>
+  <block type="procedures_defnoreturn" id="464" x="46" y="9316">
+    <mutation></mutation>
+    <field name="NAME">test split</field>
+    <statement name="STACK">
+      <block type="variables_set" id="465" inline="false">
+        <field name="VAR">list</field>
+        <value name="VALUE">
+          <block type="lists_split" id="512" inline="true">
+            <field name="MODE">SPLIT</field>
+            <value name="INPUT">
+              <block type="text" id="515">
+                <field name="TEXT">Vulcan,Klingon,Borg</field>
+              </block>
+            </value>
+            <value name="DELIM">
+              <block type="text" id="514">
+                <field name="TEXT">,</field>
+              </block>
+            </value>
+          </block>
+        </value>
+        <next>
+          <block type="unittest_assertequals" id="480" inline="false">
+            <field name="MESSAGE">join</field>
+            <value name="ACTUAL">
+              <block type="variables_get" id="491">
+                <field name="VAR">list</field>
+              </block>
+            </value>
+            <value name="EXPECTED">
+              <block type="lists_create_with" id="534" inline="false">
+                <mutation items="3"></mutation>
+                <value name="ADD0">
+                  <block type="text" id="535">
+                    <field name="TEXT">Vulcan</field>
+                  </block>
+                </value>
+                <value name="ADD1">
+                  <block type="text" id="536">
+                    <field name="TEXT">Klingon</field>
+                  </block>
+                </value>
+                <value name="ADD2">
+                  <block type="text" id="537">
+                    <field name="TEXT">Borg</field>
+                  </block>
+                </value>
+              </block>
+            </value>
+          </block>
+        </next>
+      </block>
+    </statement>
+  </block>
 </xml>
diff --git a/tests/playground.html b/tests/playground.html
index 22355275c..f67a06464 100644
--- a/tests/playground.html
+++ b/tests/playground.html
@@ -313,6 +313,13 @@ h1 {
           </block>
         </value>
       </block>
+      <block type="lists_split">
+        <value name="DELIM">
+          <block type="text">
+            <field name="TEXT">,</field>
+          </block>
+        </value>
+      </block>
     </category>
     <category name="Colour">
       <block type="colour_picker"></block>