<style>
  p { background-color: green; width: 100px; height: 100px }
  p:empty { display: none }
</style>

<body>
 Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=26570"> bug 26570</a>.
 There should be two green boxes on this page.<br>
 <p></p>
 <p>&#09;</p>
 <p></p>
 <p><span></span></p>
 <p></p>
</body>

<script>
  if (window.testRunner)
      testRunner.dumpAsText();

  var list = document.querySelectorAll("p");
  for (var result = "", i = 0; i < list.length; ++i)
      result += list.item(i).offsetWidth == (100 * (i & 1)) ? "PASS " : "FAIL ";

  result = list.length == result.match(/PASS /g).length ? "PASS" : "FAIL";
  document.body.appendChild(document.createTextNode(result));
</script>