anchor.diff:        )?
       ;
   
  +/* replaced by the option in the pattern rule
  +
   private annotatedPattern returns[String pattern]
   {
       pattern = "";
  
positive.code:     String text = null;
      sort = "";
  }
      : (text=qualifiableRef
                             {sort = sort + text;}
         | text=literal
                             {sort = sort + text;}
         | text=specialSymbol
                             {sort = sort + text;}
         | text=expressionKeyword
                             {sort = sort + text;}
        )+
      ;
  
  //---------------------------------------------------------------------------
  private definition returns[ElementFactory.Item item]
  
negative.code: options {
    paraphrase = "'/'";
  }
      :  '/'
      ;
  EQUALS
  options {
    paraphrase = "'='";
  }
      : '='
      ;
  
  //-----------------------------
  