     //----------------------------------
 
     /**
-     *  @copy mx.layout.LayoutBase#getHorizontalScrollPositionDelta
+     *  @copy spark.layout.supportClasses.LayoutBase#getHorizontalScrollPositionDelta
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

 *  @playerversion AIR 1.5
 *  @productversion Flex 4
 */
[Event(name="changing", type="mx.events.TextOperationEvent")]

/**
 *  Dispatched after a user editing operation is complete.

     *  
     *  Possible values are <code>ALWAYS</code>, <code>WHEN_FOCUSED</code>, and <code>WHEN_ACTIVE</code>.
     *  
     *  @see spark.components.TextSelectionVisibility
     * 
     *  @default TextSelectionVisibility.WHEN_FOCUSED
     *  
