The Tor Browser / file revision

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 <!-- this is a test for https://bugzilla.mozilla.org/show_bug.cgi?id=521682 -->

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     <svg id="d">

       <rect height="50%" width="100%" fill="blue" />

     </svg>

   </defs>

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   <script>

   function boom()

   {

     document.getElementById("u").removeAttribute("width");

   }

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