1  <?xml version="1.0" standalone="no"?>
 2  <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG April 1999//EN" "http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
 3  <svg width="4in" height="3in">
 4    <desc>Groups can nest
 5    </desc>
 6    <g>
 7      <g>
 8        <g/>
 9      </g>
10    </g>
11  </svg>