code: def _lex_fortran(self, match, ctx=None):
          
          lexer = FortranLexer()
          text = match.group(0) + "\n"
          for index, token, value in lexer.get_tokens_unprocessed(text):
              value = value.replace('\n', '')
              if value != '':
                  yield index, token, value
docs: Lex a line just as free form fortran without line break.