      *
      *  @return <code>true</code> if the specified string is
      *  a single space, tab, carriage return, newline, or formfeed character.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public static function isWhitespace(character:String):Boolean
     {

     *
     *  @return Updated String where whitespace was removed from the 
     *  beginning and end of each element. 
     */
    public static function trimArrayElements(value:String, delimiter:String):String
    {

/**
 *  The RPCStringUtil class is a subset of StringUtil, removing methods
 *  that create dependency issues when RPC messages are in a bootstrap loader.
 *  
 *  @langversion 3.0
 *  @playerversion Flash 9
 *  @playerversion AIR 1.1
 *  @productversion Flex 3
 */
public class RPCStringUtil
{
