<!DOCTYPE HTML>
<html>
  <head>
    <meta charset="utf-8">
    <title>Reference for clip-path linked to local-ref URL</title>
    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <svg height="0" width="0">
      <defs>
        <clipPath id="c1">
          <circle cy="110" cx="137" r="90" />
        </clippath>
      </defs>
    </svg>
    <style>
      div {
        width: 300px;
        height: 300px;
        background-color: blue;
        clip-path: url(#c1);
      }
    </style>
  </head>
  <body>
    <div></div>
  </body>
</html>
