<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg" style="font: 16px sans-serif">
  <text x="100 150 200 250" y="50"><tspan>12</tspan>34</text>
  <text x="100 150 200 250" y="100"><tspan display="none">12</tspan>34</text>
  <text x="100 150 200 250" y="150">34</text>
  <text x="100 150 200 250" y="200">34</text>
  <text x="100 150 200 250 300 350" y="250"><tspan>12</tspan>56</text>
  <text x="100 150 200 250 300 350" y="300"><tspan>12</tspan>56</text>
  <text x="100 150 200 250" y="350"><tspan display="none"/>34</text>

  <script>
    function newTSpan(s) {
      var e = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
      e.textContent = s;
      return e;
    }

    function doTest() {
    
      var t = document.getElementsByTagName("text");
      var e;

      t[0].removeChild(t[0].firstChild);

      t[1].removeChild(t[1].firstChild);

      e = newTSpan("12");
      t[2].insertBefore(e, t[2].firstChild);

      e = newTSpan("12");
      e.setAttribute("display", "none");
      t[3].insertBefore(e, t[3].firstChild);

      e = newTSpan("34");
      t[4].firstChild.appendChild(e);

      e = newTSpan("34");
      e.setAttribute("display", "none");
      t[5].firstChild.appendChild(e);

      e = newTSpan("12");
      t[6].firstChild.appendChild(e);

      document.documentElement.removeAttribute("class");
      if (window.testRunner)
        testRunner.notifyDone();
    }

    if (window.testRunner)
      testRunner.waitUntilDone();

    setTimeout(doTest, 100);
  </script>
</svg>