      *  unless the event is dispatched to it.
      */
     override protected function keyDownHandler(event:KeyboardEvent):void
-    {   
+    {
         // If the key is passed down to the Scroller it will come back here when
         // it bubbles back up.  It may or may not have default prevented.
         if (event.eventPhase != EventPhase.AT_TARGET)

    [SkinPart(required="false", type="mx.core.IFactory")]
    
    /**
     *  Used to render the vertical separator between column headers.
     */
    public var headerColumnSeparator:IFactory;


        "columnSeparator",
        "headerColumnSeparator",        
        "hoverIndicator",
        "rowBackground",
        "rowSeparator",
        "selectionIndicator"];
        
