<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg">
  <defs>
    <g id="foreign">
      <foreignObject x="100" y="0" width="100" height="100">
        <p xmlns="http://www.w3.org/1999/xhtml">Foo</p>
      </foreignObject>
    </g>
  </defs>
  <g color="green">
    <use href="use-02-extref-resource.svg#foreign" />
    <use href="#foreign" />
  </g>
</svg>