The Tor Browser / file revision

 <?xml version="1.0"?>

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

      class="reftest-wait"

      onload="go()">

   <script>

     function go() {

       // setCurrentTime to force a sample

       document.documentElement.setCurrentTime(1);

       document.documentElement.removeAttribute("class");

     }

   </script>

   <rect id="myRect" fill="blue" height="40" width="40">

     <!-- The "keyTimes" values below are invalid, but they should be ignored

          (and definitely shouldn't trigger any assertion failures) since we're

          in paced calcMode. -->

     <animate attributeName="x" by="50" calcMode="paced" dur="2s"

              keyTimes="0; -1"/>

     <animate attributeName="x" by="50" calcMode="paced" dur="2s"

              keyTimes=""/>

     <animate attributeName="x" by="50" calcMode="paced" dur="2s"

              keyTimes="abc"/>

     <animate attributeName="x" by="50" calcMode="paced" dur="2s"

              keyTimes="5"/>

   </rect>

 </svg>