<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg">

  <title>Test that markers are affected by group opacity on the marked element</title>

  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=524104 -->

  <marker id="mark" markerUnits="userSpaceOnUse" markerContentUnits="userSpaceOnUse" markerWidth="100%" markerHeight="200%" refX="0" refY="0">
    <rect width="100%" height="200%" fill="blue"/>
  </marker>

  <line x1="0" y1="-1" x2="1" y2="-1" fill="none" stroke="black" opacity=".5" marker-start="url(#mark)"/>

</svg>