libxml2/test/SVG/template.xml

<?xml version="1.0"?>
<svg width="4in" height="3in"
 xmlns = 'http://www.w3.org/Graphics/SVG/svg-19990412.dtd'>
  <desc>This well formed svg document contains a hyperlink
  </desc>
  <a xml:link="simple" show="replace" actuate="user" href="http://www.w3.org">
    <p d="M 0 0 L 200 0 L 100 200 Z"/>
  </a>
</svg>