anchor.diff:  DOUBLE_QUOTE_ID:    '"' ~'"'+ '"';
   SINGLE_QUOTE:       '\'';
   SQUARE_BRACKET_ID:  '[' ~']'+ ']';
  -LOCAL_ID:           '@' ([A-Za-z_$@#0-9] | FullWidthLetter)+;
  +LOCAL_ID:           '@' ([A-Z_$@#0-9] | FullWidthLetter)+;
   DECIMAL:             DEC_DIGIT+;
   ID:                  ( [A-Z_#] | FullWidthLetter) ( [A-Z_#$@0-9] | FullWidthLetter )*;
   QUOTED_URL:          '\''([A-Z][A-Z]+[:]) '//'(([A-Z]+[.]|[A-Z]+)|IPV4_ADDR) [:] DECIMAL '\'';
  
positive.code: DIALOG:                                'DIALOG';
  DIRECTORY_NAME:                        'DIRECTORY_NAME';
  DISABLE:                               'DISABLE';
  DISABLED:                              'DISABLED';
  DISABLE_BROKER:                        'DISABLE_BROKER';
  DISK_DRIVE:                            [A-Z][:];
  DOCUMENT:                              'DOCUMENT';
  
negative.code: SHOWPLAN:                              'SHOWPLAN';
  SIGNATURE:                             'SIGNATURE';
  SIMPLE:                                'SIMPLE';
  SINGLE_USER:                           'SINGLE_USER'; 
  SIZE:                                  'SIZE';
  SMALLINT:                              'SMALLINT';
  SNAPSHOT:                              'SNAPSHOT';
  