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" onload="m();">

 <title>Testcase for style changes</title>

 <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=395155 -->

 <style id="s" type="text/css">

 tspan { fill: red; }

 </style>

 <script>

 function m()

 {

   var s = document.getElementById("s");

   s.appendChild(document.createTextNode("tspan { fill: green }"));

   s.appendChild(document.createTextNode("tspan { fill: red }"));

   s.removeChild(s.lastChild);

 }

 </script>

 <text>

   <tspan x="10" y="50">

     This should be green

   </tspan>

 </text>

 </svg>