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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<script type="text/javascript">
<![CDATA[
function boom()
{
var x = document.getElementById("x");
x.appendChild(document.createTextNode("A"));
x.appendChild(document.createTextNode("\u202B" + "C"));
document.documentElement.clientHeight; // flush layout
x.normalize();
x.appendChild(document.createTextNode("D"));
}
window.addEventListener("load", boom, false);
]]>
</script>
<box id="x" style="display:inline"><box/></box>
</window>