code: def _parse_doc(doc=''):
      
      title, description = '', ''
      if doc:
          sp = doc.split('\n', 1)
          title = sp[0].strip()
          if len(sp) > 1:
              description = textwrap.dedent(sp[1]).strip()
      return (title, description)
docs: Parse a docstring into title and description.
  
      Args
      ----
      doc : str
          A docstring, optionally with a title line, separated from a description
          line by at least one blank line.
  
      Returns
      -------
      title : str
          The first line of the docstring.
      description : str
          The rest of a docstring.