docs: def _escaped(self):
          """ Escape character is at end of accumulated token
              character list.
              """
  
          chars = self._token_info['chars']
          count = len(chars)
  
          # prev char is escape, keep going
          if count and chars[count - 1] == self.ESCAPE:
              chars.pop()  # swallow escape char
              return True
          else:
              return False