<html class="reftest-wait">
<head>
  <script>
    function tweak() {
      var editMe = document.getElementById('editMe');
      editMe.innerHTML="a";
      document.documentElement.className = "";
    }
  </script>
</head>
<body onload="tweak()">
  <span id="editMe" style="margin-top: 1px;">
  </span>
  <div>
    b
  </div>
</body>
</html>