docs: def html_content(self):
          """
          Generate HTML representation of the markdown-formatted blog entry,
          and also convert any media URLs into rich media objects such as video
          players or images.
          """
          hilite = CodeHiliteExtension(linenums=False, css_class='highlight')
          extras = ExtraExtension()
          markdown_content = markdown(self.content, extensions=[hilite, extras])
          oembed_content = parse_html(
              markdown_content,
              oembed_providers,
              urlize_all=True,
              maxwidth=app.config['SITE_WIDTH'])
          return Markup(oembed_content)