code: def next_history(self, e):  # (C-n)
          u'''Move forward through the history list, fetching the next
          command. '''
          self._history.next_history(self.l_buffer)
          self.finalize(f next_history(self, e):  # (C-n)
          u'''Move forward through the history list, fetching the next
          command. '''
          self._history.next_history(self.l_buffer)
          self.finalize()
docs: u'''Move forward through the history list, fetching the next
          command.