<svg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink'>
  <defs>
    <rect id='rect' width='100' height="100" fill='blue' />
  </defs>
  <a xlink:href="http://www.webkit.org" >
      <use xlink:href="rect" onmouseover="alert('foo')" />
  </a>
  <text y='120' x='10'>The above blue square is a link, the cursor should be a hand above it.</text>
</svg>