<html class="reftest-wait"><head>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <title>Testcase #1 for bug 503531</title>
<script>
function boom() {
  var caret = document.getElementById('caret');

  var sel = window.getSelection();
  sel.removeAllRanges();
  var range = document.createRange();
  range.selectNode(caret);
  sel.addRange(range);
  sel.collapseToStart();

  setTimeout(function(){document.documentElement.className = '';}, 50)
}
</script>
</head>
<body contenteditable="true" onload="document.body.focus(); boom()">
<div>BLOCK</div>
<div id="caret"></div>
</body>
</html>