<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Reference for clipPath linked to local-ref URL</title>
  <defs>
    <clipPath id="clip1">
      <circle cx="50" cy="50" r="50"/>
    </clipPath>
    <clipPath id="clip2">
      <circle cx="50" cy="150" r="50"/>
    </clipPath>
    <clipPath id="clip3">
      <circle cx="50" cy="250" r="50"/>
    </clipPath>
  </defs>
  <rect x="0" y="0" width="100" height="100" fill="blue" clip-path="url(#clip1)"/>
  <rect x="0" y="100" width="100" height="100" fill="blue" clip-path="url(#clip2)"/>
  <rect x="0" y="200" width="100" height="100" fill="blue" clip-path="url(#clip3)"/>
</svg>