<?xml version="1.0" standalone="yes"?>
<svg width="4in" height="3in" 
 xmlns="http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
   <desc xmlns:mydoc="http://foo.org/mydoc">
      <mydoc:title>This is an example SVG file</mydoc:title>
      <mydoc:para>The global description uses markup from the 
        <mydoc:emph>mydoc</mydoc:emph> namespace.</mydoc:para>
   </desc>
   <g>
   <!-- the picture goes here -->
   </g>
</svg>