      *  
      *  @default 0
      *  @see flash.text.TextField
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public var thickness:Number;
     

 *  controlling the advanced anti-aliasing of fonts.</p>
 *
 *  @see mx.core.UITextField
 */
public class UITextFormat extends TextFormat
{

     *  @return A TextLineMetrics object containing the text measurements.
     *
     *  @see flash.text.TextLineMetrics
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function measureText(text:String, roundUp:Boolean = true):TextLineMetrics
    {
