["-"],
		["show list %m.list",								" ", 12, "showList:"],
		["hide list %m.list",								" ", 12, "hideList:"],
		["Swap %m.list%d.listItem and %m.list%d.listItem",	" ", 13, "swap:listItem:"],
		// obsolete blocks from Scratch 1.4 that may be used in older projects
		["play drum %n for %n beats",			" ", 98, "drum:duration:elapsed:from:", 1, 0.25], // Scratch 1.4 MIDI drum

		primTable['getLine:ofList:']	= primGetItem;
		primTable['lineCountOfList:']	= primLength;
		primTable['getList:with:'] = primListWith;
		primTable['swap:listItem:'] = primSwap;
		primTable['list:contains:']		= primContains;
	}

		return i;
	}
	private function primSwap(b:Block){
		var list1:ListWatcher = listarg(b, 0);//1
		if (!list1) return '';
		var i1:int = computeIndex(interp.arg(b, 1), list1.contents.length);
		if (i1 < 0) return '';
		if (list1.visible) list1.updateWatcher(i1, true, interp);
		var tmp1=list1.contents[i1 - 1];
		var list2:ListWatcher = listarg(b, 2);//2
		if (!list2) return '';
		var i2:int = computeIndex(interp.arg(b, 3), list2.contents.length);
		if (i2 < 0) return '';
		if (list2.visible) list2.updateWatcher(i2, true, interp);
		var tmp2=list2.contents[i2 - 1];
		listReplace(list1, i1, tmp2);//3
		if (list1.visible) list1.updateWatcher(i1, false, interp);
		listReplace(list2, i2, tmp1);//4
		if (list2.visible) list2.updateWatcher(i2, false, interp);
	}
}}

		if ('getLine:ofList:' == op) return [1, defaultListName()];
		if ('lineCountOfList:' == op) return [defaultListName()];
		if ('getList:with:' == op) return [defaultListName(), ','];
		if ('swap:listItem:' == op) return [defaultListName()];
		if ('list:contains:' == op) return [defaultListName(), 'thing'];
		if ('showList:' == op) return [defaultListName()];
		if ('hideList:' == op) return [defaultListName()];

src/Scratch/ScratchSprite
	public function setSize(percent:Number):void {
		scaleX = scaleY = percent / 100.0;
		clearCachedBitmap();
		updateBubble();
	}

    primTable['setSizeTo2:']				= primSetSize2;


  	private function primSetSize2(b:Block):void {
  		var s:ScratchSprite = interp.targetSprite();
  		if (s == null) return;
  		s.setSize2(interp.numarg(b, 0),interp.numarg(b, 1));
  		if (s.visible) interp.redraw();
  	}


	public function setSize2(percent:Number):void {
		scaleX =  percent / 100.0;
		scaleY =  percent / 100.0;
		clearCachedBitmap();
		updateBubble();
	}