      */
     mx_internal function purgeMeasuringRenderers():void
     {
-		var item:IListItemRenderer;
-
-		for each (item in measuringObjects)
-			if (item.parent)
-				item.parent.removeChild(DisplayObject(item));
-
-		if (!measuringObjects)
-			measuringObjects = new Dictionary(true);
+        var item:IListItemRenderer;
+
+        for each (item in measuringObjects)
+            if (item.parent)
+                item.parent.removeChild(DisplayObject(item));
+
+        if (!measuringObjects)
+            measuringObjects = new Dictionary(true);
     }
 
     /**

        {
            drawRowBackground(rowBGs, i++, rowInfo[curRow].y, rowInfo[curRow].height, colors[actualRow % colors.length], actualRow);
            curRow++;
			actualRow++;
        }

        while (rowBGs.numChildren > n)

            commitEditedItemPosition(null);
            return;
        }
        if (!isItemEditable(item.data))
        {
            // assume that editing was cancelled
            commitEditedItemPosition(null);
            return;
        }

        var event:ListEvent =
            new ListEvent(ListEvent.ITEM_EDIT_BEGIN, false, true);
