libopc/third_party/libxml2-2.7.7/result/SVG/structure01.xml

<?xml version="1.0" standalone="yes"?>
<parent xmlns="http://someplace.org" xmlns:svg="http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
<!-- parent stuff here -->
  <svg:svg width="5cm" height="8cm">
    <svg:ellipse major="200" minor="130"/>
  </svg:svg>
<!-- ... -->
</parent>