propagate DELETE to nested sprite parts

gui.js

@@ -69,7 +69,7 @@ SpeechBubbleMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2014-July-29';
+modules.gui = '2014-July-30';
 
 // Declarations
 
@@ -1831,7 +1831,9 @@ IDE_Morph.prototype.duplicateSprite = function (sprite) {
 };
 
 IDE_Morph.prototype.removeSprite = function (sprite) {
-    var idx = this.sprites.asArray().indexOf(sprite) + 1;
+    var idx, myself = this;
+    sprite.parts.forEach(function (part) {myself.removeSprite(part); });
+    idx = this.sprites.asArray().indexOf(sprite) + 1;
     this.stage.threads.stopAllForReceiver(sprite);
     sprite.destroy();
     this.stage.watchers().forEach(function (watcher) {

history.txt

@@ -2254,3 +2254,4 @@ ______
 140730
 ------
 * Objects: propagate HIDE and SHOW to nested sprite parts
+* GUI: propagate DELETE to nested sprite parts