<!DOCTYPE html>
<svg>
<g id="rectgroup">
<symbol id="rect">
<rect width="50" height="100"/>
</symbol>
<use xlink:href="#rect" fill="green"/>
</g>
<use xlink:href="#rectgroup" x="50"/>
</svg>
<!DOCTYPE html>
<svg>
<g id="rectgroup">
<symbol id="rect">
<rect width="50" height="100"/>
</symbol>
<use xlink:href="#rect" fill="green"/>
</g>
<use xlink:href="#rectgroup" x="50"/>
</svg>