anchor.diff:  
   objIdComponents 
       : NUMBER
  -    | identifier=(OIDIDENTIFIER|IDENTIFIER) ( '(' NUMBER ')' )?
  +    | identifier=(OIDIDENTIFIER|IDENTIFIER) ( '(' NUMBER ')' )
       ;
   
   integerValue :
  
positive.code:        '\u1040'..'\u1049'
     ;
  
  IDENTIFIER
      :   LETTER (LETTER|JavaIDDigit)*
      ;
  
negative.code:     | '--' '-'? (EOF | '\r'* '\n')
      ) -> skip
      ;
  
  //| '--' ~( '\n' |'\r' ) (.*? ( ~('-' | '\n') '--'('#'.*? '\r'? '\n')? | EOF | '\r'? '\n')) 
  //COMMENT : '--' ~( '\n' |'\r')* '\r'? '\n' -> skip;
  
  WS
      :  (' '|'\r'|'\t'|'\u000C'|'\n') -> skip
  