<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Testcase for filter linked to local-ref URL</title>
  <defs>
    <filter id="blurFilter1" x="-10" y="-10" width="100" height="100">
      <feGaussianBlur in="SourceGraphic" stdDeviation="0" />
    </filter>
    <filter id="blurFilter2" x="-10" y="-10" width="100" height="100">
      <feGaussianBlur in="SourceGraphic" stdDeviation="10" />
    </filter>
    <filter id="blurFilter3" x="-10" y="-10" width="100" height="100">
      <feGaussianBlur in="SourceGraphic" stdDeviation="10" />
    </filter>
  </defs>
  <style>
    #f3 {
      filter: url(#blurFilter3);
    }
  </style>
  <use xlink:href="use-localRef-filter-resource.svg#f1"/>
  <use xlink:href="use-localRef-filter-resource.svg#f2" filter="url(#blurFilter2)"/>
  <use xlink:href="use-localRef-filter-resource.svg#f3"/>
</svg>