protected CommonASTWithHiddenTokens(CommonASTWithHiddenTokens another) : base(another)
 {
     hiddenBefore = another.hiddenBefore;
     hiddenAfter  = another.hiddenAfter;
 }
		protected CommonASTWithHiddenTokens(CommonASTWithHiddenTokens another) : base(another)
		{
			hiddenBefore	= another.hiddenBefore;
			hiddenAfter	= another.hiddenAfter;
		}