--
      In the context of SVG embedded into HTML, the XHTML namespace could be avoided, but it is mandatory in the context of an SVG document
    -->
    <div xmlns="http://www.w3.org/1999/xhtml">
    <p>
  123
      </p>
      <span>
        123
        </span>
    </div>
  </foreignObject>
</svg>
