1<?xml version="1.0" standalone="yes"?>
2<svg xmlns="http://www.w3.org/Graphics/SVG/svg-19990412.dtd" width="4in" height="3in">
3  <defs>
4    <private xmlns:myapp="http://mycompany/mapapp">
5      <myapp:piechart title="Sales by Region">
6        <myapp:piece label="Northern Region" value="1.23"/>
7        <myapp:piece label="Eastern Region" value="2.53"/>
8        <myapp:piece label="Southern Region" value="3.89"/>
9        <myapp:piece label="Western Region" value="2.04"/>
10<!-- Other private data goes here -->
11      </myapp:piechart>
12    </private>
13  </defs>
14  <desc>This chart includes private data in another namespace
15  </desc>
16<!-- In here would be the actual graphics elements which
17       draw the pie chart -->
18</svg>
19