<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <path id="thePath" d="M50 50 L 450 50" />
  <text>
    <textPath id="theTP" xlink:href="#thePath">PASS</textPath>
  </text>
</svg>