The Tor Browser / file revision

 <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="reftest-wait">

   <title>The circle should shrink and move to upper-left a bit.

          It should remain a circle, with no artifacts left behind.</title>

   <script>

     document.addEventListener("MozReftestInvalidate", doTest, false);

     function doTest() {

       document.getElementById("target").setAttribute("transform", "scale(1.8)");

       document.documentElement.removeAttribute("class");

     }

   </script>

   <defs>

     <circle id="smiley" fill="orange" cx="50" cy="50" r="20"/>

   </defs>

   <use id="target" xlink:href="#smiley" transform="scale(2)"/>

 </svg>