      *
      *  @return Updated String where whitespace was removed from the 
      *  beginning and end. 
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public static function trim(str:String):String
     {

 *  You do not create instances of StringUtil;
 *  instead you call methods such as 
 *  the <code>StringUtil.substitute()</code> method.  
 */
public class StringUtil
{

     *
     *  @return Updated String where whitespace was removed from the 
     *  beginning and end of each element. 
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public static function trimArrayElements(value:String, delimiter:String):String
    {
