libopc/third_party/libxml2-2.7.7/result/SVG/viewport.xml

<?xml version="1.0" standalone="yes"?>
<parent xmlns="http://some.url">
<!-- SVG graphic -->
  <svg xmlns="http://www.w3.org/Graphics/SVG/svg-19990412.dtd" width="100px" height="200px">
    <path d="M100,100 Q200,400,300,100"/>
<!-- rest of SVG graphic would go here -->
  </svg>
</parent>