code: def markdown(text, mode='', context='', raw=False):
      
      return gh.markdown(text, mode, context, raw)
docs: Render an arbitrary markdown document.
  
      :param str text: (required), the text of the document to render
      :param str mode: (optional), 'markdown' or 'gfm'
      :param str context: (optional), only important when using mode 'gfm',
          this is the repository to use as the context for the rendering
      :param bool raw: (optional), renders a document like a README.md, no gfm,
          no context
      :returns: str -- HTML formatted text