chromium/third_party/blink/web_tests/svg/custom/textPath-set-id-expected.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <defs>
    <path id="foo" d="M150 50 L 450 50" />
  </defs>
  <text>
    <textPath id="theTP" xlink:href="#foo">PASS</textPath>
  </text>
</svg>