<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg">
  <g fill="orange">
    <rect width="100" height="100" fill="red"/>
    <rect width="100" height="100" fill="url(#notthere)"/>
    <g fill="black">
      <text x="10" y="130">The above rect should be ORANGE.</text>
      <text x="10" y="150">SVG 1.1 FULL says there should be a "highly perceivable error" message when an invalid fill is used.</text>
      <text x="10" y="170">Browsers don't display such an error, instead use some sort of fill-fallback.</text>
      <text x="10" y="190">If there's an non-existent uri, but no fallback specified, the fill of the object is inherited from parent object.</text>
      <text x="10" y="210">This has recently been changed in SVG 1.1 2nd edition. Our result matches Opera now.</text>
    </g>
  </g>
</svg>