The Tor Browser / file revision

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

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

   <title>Testcase for mask on elements that are transformed</title>

   <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=806432 -->

   <mask id="m" maskUnits="userSpaceOnUse" maskContentUnits="userSpaceOnUse">

     <rect x="0" y="0" width="100" height="100" fill="white"/>

   </mask>

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

   <rect x="10" y="10" width="100" height="100" fill="red"/>

   <rect width="100" height="100" transform="translate(10,10)" fill="lime" mask="url(#m)"/>

 </svg>