      *  layout elements' percentHeight.
      * 
      *  @default true
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     public function get variableRowHeight():Boolean
     {

     * 
     *  @see firstIndexInView
     *  @see lastIndexInview
     */
    protected function setIndexInView(firstIndex:int, lastIndex:int):void
    {

     *  As before the difference is due to the fact that flexible items are only
     *  guaranteed their minWidth.
     * 
    *  
    *  @langversion 3.0
    *  @playerversion Flash 10
    *  @playerversion AIR 1.5
    *  @productversion Flex 4
    */
    override public function measure():void
    {
