code: def t_multiline_NEWLINE(self, t):
          r'\r\n|\n|\r'
          if t.lexer.multiline_newline_seen:
              return self.t_multiline_OPTION_AND_VALUE(t)
          t.lexer.multiline_newline_seen = Truf t_multiline_NEWLINE(self, t):
          r'\r\n|\n|\r'
          if t.lexer.multiline_newline_seen:
              return self.t_multiline_OPTION_AND_VALUE(t)
          t.lexer.multiline_newline_seen = True
docs: r'\r\n|\n|\r