register unsaved changes when the user edits a comment

thanks, @jadga-h for the report

HISTORY.md

@@ -2,12 +2,15 @@
 
 ## in development:
 
+* **Notable Fixes:**
+    * register unsaved changes when the user edits a comment
 * **Translation Updates:**
     * Polish, thanks, Witek!
 
 ### 2021-06-09
 * new dev version
 * Polish translation update, thanks, Witek!
+* blocks: register unsaved changes when the user edits a comment
 
 ## 6.8.1
 * **Notable Fixes:**

snap.html

@@ -8,7 +8,7 @@
         <script src="src/morphic.js?version=2021-02-10"></script>
         <script src="src/symbols.js?version=2021-03-03"></script>
         <script src="src/widgets.js?version=2021-01-05"></script>
-        <script src="src/blocks.js?version=2021-02-27"></script>
+        <script src="src/blocks.js?version=2021-06-09"></script>
         <script src="src/threads.js?version=2021-04-17"></script>
         <script src="src/objects.js?version=2021-04-23"></script>
         <script src="src/gui.js?version=2021-06-09"></script>

src/blocks.js

@@ -158,7 +158,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2021-February-27';
+modules.blocks = '2021-June-09';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -13152,9 +13152,13 @@ CommentMorph.prototype.mouseClickLeft = function () {
 
 CommentMorph.prototype.layoutChanged = function () {
     // react to a change of the contents area
+    var ide = this.parentThatIsA(IDE_Morph);
     this.fixLayout();
     this.align();
     this.comeToFront();
+    if (ide) {
+        ide.recordUnsavedChanges();
+    }
 };
 
 CommentMorph.prototype.fixLayout = function () {