      *  @see #rowHeight
      *  @see #justifyColumns
      *  @default NaN
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     public function get columnWidth():Number
     {

     *  and during updateDisplayList() is the unscaledWidth.
     *  @param height - the height during measure() is the layout target explicitHeight or NaN
     *  and during updateDisplayList() is the unscaledHeight.
     */
    protected function updateActualValues(width:Number, height:Number):void
    {

     *  element will be set to the <code>columnWidth</code></p>.
     *
     *  @default <code>HorizontalAlign.JUSTIFY</code>
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function get elementHorizontalAlign():String
    {
