<html xmlns="
http://www.w3.org/1999/xhtml" class="reftest-wait">
<head>
<script>
<![CDATA[
function funn()
{
var q = document.getElementById("q");
var start1 = document.getElementById("start1");
var end1 = document.getElementById("end1");
var start2 = q; // div
var end2 = q.previousSibling; // text node
var r = document.createRange();
r.setStart(start1, 0);
r.setEnd(end1, 0);
r.deleteContents();
// the offsets for start2 and end2 must be the same to trigger the assertion
var s = document.createRange();
s.setStart(start2, 0);
s.setEnd(end2, 0);
document.documentElement.removeAttribute("class");
}
]]>
</script>
</head>
<body onload="setTimeout(funn, 30)">
<div id="start1"></div>
<div id="t">X<div id="q">Y</div></div>
<div id="end1"></div>
</body>
</html>
