docs: def short_form_multiple_formats(jupytext_formats):
      """Convert jupytext formats, represented as a list of dictionaries, to a comma separated list"""
      if not isinstance(jupytext_formats, list):
          return jupytext_formats
  
      jupytext_formats = [short_form_one_format(fmt) for fmt in jupytext_formats]
      return ','.join(jupytext_formats)