public Argument evaluate(ContextStack context, Argument arg1, Argument arg2)
public Argument evaluate(ContextStack context, ArrayList args)
	public Argument evaluate(ContextStack context, Argument arg1, Argument arg2)		throws MapyrusException	{		Argument retval;		/*		 * Set extract length long enough for all remaining characters in string.		 */		String s = arg1.toString();		Argument arg3 = new Argument(s.length());		retval = evaluate(context, arg1, arg2, arg3);		return(retval);	}