docs: def _format_content(self, content):
          """Returns `content` with consecutive spaces converted to non-break
          spaces, and linebreak converted into HTML br elements.
  
          :param content: text to format
          :type content: `str`
          :rtype: `str`
  
          """
          content = re.sub(r'\n', '<br/>\n', content)
          content = re.sub(r'  ', '&#160;&#160;', content)
          content = re.sub(r'&#160; ', '&#160;&#160;', content)
          return content