anchor.diff:  VERIFY_NO_DESC:   Hashes [ \t]* 'Verify'   -> type(VERIFY) ;
   TEARDOWN_NO_DESC: Hashes [ \t]* 'Teardown' -> type(TEARDOWN) ;
   LBRACKET_DEFAULT_MODE: '[' -> type(LBRACKET), mode(ANCHOR);
  -AS_BACK_TICK: 'as' Spaces? '`' -> mode(CLASS) ;
  +AS_BACK_TICK: 'as' SpacesOrComments? '`' -> mode(CLASS) ;
   BAR: '|' ;
   BAR_EOL: '|' [ \t]* '\r'? '\n' ;
   HBAR: '|' [|\-=\:\.\+ \t]* '|' [ \t]* '\r'? '\n' ;
  
positive.code: Spaces: [ \t\r\n]+ ;
  
  fragment
  IdentStart: ~[\uD800-\uDBFF]
              {Character.isJavaIdentifierStart(_input.LA(-1))}?
            | [\uD800-\uDBFF] [\uDC00-\uDFFF]
  
negative.code: COMMA: ',' ;
  IN: 'in' ;
  UTABLE: 'Table' ;
  CSV_SINGLE_QUOTE: 'CSV' SpacesOrComments? '\'' -> mode(IN_FILE_NAME) ;
  TSV_SINGLE_QUOTE: 'TSV'  SpacesOrComments? '\''-> mode(IN_FILE_NAME) ;
  EXCEL_SINGLE_QUOTE: 'Excel' SpacesOrComments? '\'' -> mode(IN_BOOK_NAME) ;
  WHERE: 'where' ;
  EQ: '=' ;
  LET: 'Let' ;
  BE: 'be' ;
  ANY_OF: 'any' SpacesOrComments 'of' ;
  ANY_DEFINED_BY: 'any' SpacesOrComments ('value' 's'? SpacesOrComments)? 'defined' SpacesOrComments 'by' ;
  OR: 'or' ;
  DO: 'Do' ;
  A_STUB_OF_BACK_TICK: 'a' SpacesOrComments 'stub' SpacesOrComments 'of' SpacesOrComments? '`' -> mode(CLASS) ;
  SUCH: 'such' ;
  METHOD_BACK_TICK: 'method' SpacesOrComments? '`' -> mode(METHOD_PATTERN) ;
  RETURNS: 'returns' ;
  AN_INSTANCE_OF_BACK_TICK: 'an' SpacesOrComments 'instance' Spaces 'of' SpacesOrComments? '`' -> mode(CLASS) ;
  AN_INSTANCE: 'an' SpacesOrComments 'instance' -> mode(AFTER_AN_INSTANCE) ;
  AN_INVOCATION_OF_BACK_TICK: 'an' SpacesOrComments 'invocation' SpacesOrComments 'of' SpacesOrComments? '`' -> mode(METHOD_PATTERN) ;
  ON: 'on' ;
  WITH: 'with' ;
  INVOKE_TICK: 'Invoke' SpacesOrComments? '`' -> mode (METHOD_PATTERN) ;
  MATCHES: 'matches' ;
  DOES: 'does' ;
  MATCH: 'match' ;
  RE_TICK: 're' SpacesOrComments? '`' -> mode(REGEXP) ;
  RE_TICK2: 're' SpacesOrComments? '``' -> type(RE_TICK), mode(REGEXP2) ;
  REGEX_TICK: 'regex' SpacesOrComments? '`' -> mode(REGEXP) ;
  REGEX_TICK2: 'regex' SpacesOrComments? '``' -> type(RE_TICK), mode(REGEXP2) ;
  REGEXP_TICK: 'regexp' SpacesOrComments? '`' -> mode(REGEXP) ;
  REGEXP_TICK2: 'regexp' SpacesOrComments? '``' -> type(RE_TICK), mode(REGEXP2) ;
  RESOURCE: 'resource' ;
  A_TEMPORARY_FILE: 'a' SpacesOrComments 'temporary' SpacesOrComments 'file' ;
  A_TEMP_FILE: 'a' SpacesOrComments 'temp' SpacesOrComments 'file' ;
  NULL: 'null' ;
  NOTHING: 'nothing' ;
  TRUE: 'true' ;
  