docs: def show_docs(cls, keys=None, indent=0, *args, **kwargs):
          """
          Classmethod to print the full documentations 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 full_doc(key, key_txt, doc):
              return ('=' * len(key_txt)) + '\n' + doc + '\n'
          return cls._show_doc(full_doc, keys=keys, indent=indent,
                               *args, **kwargs)