<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 100 100">
 <desc>
  There should be two links on this page. Check that you can tab to
  each one individually, and that they replace the current page when
  selected.
 </desc>
 <a xlink:href="pass.txt">
  <circle cx="40" cy="30" r="15" fill="blue"/>
  <circle cx="60" cy="30" r="15" fill="blue"/>
 </a>
 <a xlink:href="pass.txt">
  <g>
   <circle cx="40" cy="70" r="15" fill="blue"/>
   <circle cx="60" cy="70" r="15" fill="blue"/>
  </g>
 </a>
</svg>