The Tor Browser / file revision

 <!--

      Any copyright is dedicated to the Public Domain.

      http://creativecommons.org/publicdomain/zero/1.0/

 -->

 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"

      xmlns:xlink="http://www.w3.org/1999/xlink">

   <title>Testcase for checking that filter bounds include stroke width</title>

   <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=647687 -->

   <defs>

     <filter id="f1" filterUnits="userSpaceOnUse" x="150" y="150" width="200" height="200">

       <feOffset in="SourceGraphic"/>

     </filter>

   </defs>

   <rect height="100%" width="100%" fill="lime"/>

   <rect x="150" y="150" height="200" width="200" fill="red"/>

   <rect x="200" y="200" height="100" width="100" stroke-width="100"

             fill="none" stroke="lime" filter="url(#f1)"/>

 </svg>