code: def add_subcommand_formatting(self, command):
          
          fmt = '{0}{1} \N{EN DASH} {2}' if command.short_doc else '{0}{1}'
          self.paginator.add_line(fmt.format(self.clean_prefix, command.qualified_name, command.short_doc))
docs: Adds formatting information on a subcommand.
  
          The formatting should be added to the :attr:`paginator`.
  
          The default implementation is the prefix and the :attr:`Command.qualified_name`
          optionally followed by an En dash and the command's :attr:`Command.short_doc`.
  
          Parameters
          -----------
          command: :class:`Command`
              The command to show information of.