docs: def wrap_content(content, settings, hard_breaks=False):
    """
    Returns *content* wrapped in a HTML structure.
  
    If *hard_breaks* is set, line breaks are converted to `<br />` tags.
  
    """
    settings.context['content'] = wrap_paragraphs(content, hard_breaks)
    template = Template(settings.template)
    try:
      return template.render(**settings.context)
    except KeyError as error:
      msg = "missing context setting: {}".format(error)
      raise ContextError(msg)