docs: def show_summaries(cls, keys=None, indent=0, *args, **kwargs):
          """
          Classmethod to print the summaries of the formatoptions
  
          Parameters
          ----------
          %(Plotter.show_keys.parameters)s
  
          Other Parameters
          ----------------
          %(Plotter.show_keys.other_parameters)s
  
          Returns
          -------
          %(Plotter.show_keys.returns)s
  
          See Also
          --------
          show_keys, show_docs"""
          def find_summary(key, key_txt, doc):
              return '\n'.join(wrapper.wrap(doc[:doc.find('\n\n')]))
          str_indent = " " * indent
          wrapper = TextWrapper(width=80, initial_indent=str_indent + ' ' * 4,
                                subsequent_indent=str_indent + ' ' * 4)
          return cls._show_doc(find_summary, keys=keys, indent=indent,
                               *args, **kwargs)