<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg" version="1.0">
  <desc>
    The 'viewBox' attribute on the 'marker' should not cause the mark
    (lime 'circle') to be clipped when the 'path' is filtered.
  </desc>
  <defs>
    <marker id="marker" markerWidth="200" markerHeight="200" refX="0" refY="100" 
            markerUnits="userSpaceOnUse" viewBox="-100 0 200 200">
      <circle fill="lime" r="100" cx="0" cy="100"/>
    </marker>
    <filter id="filter"><feGaussianBlur stdDeviation="0.001"/></filter>
  </defs>
  <rect width="100%" height="100%" fill="lime"/>
  <circle fill="red" r="98" cx="200" cy="100"/>
  <path d="M100,0 l100,100 200,200" marker-mid="url(#marker)" filter="url(#filter)"/>
</svg>