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Test Info:
<html class="reftest-wait">
<head>
<script type="text/javascript">
function boom()
{
document.execCommand("selectAll", false, null);
document.execCommand("formatBlock", false, "<h5>");
document.execCommand("justifyfull", false, null);
document.execCommand("indent", false, null);
document.execCommand("outdent", false, null);
document.getElementById("q").appendChild(document.createTextNode('v'));
document.documentElement.removeAttribute("class");
}
</script>
</head>
<body onload="boom();" style="width: 800px; column-count: 4;"><div contenteditable="true" style="height: 80px;"><div><div><hr><span> </span></div></div></div><div id="q" style="height: 80px;"><div style="float: left; height: 10px; width: 10px;"></div><div style="padding: 180px; column-count: 1; column-count: 1; clear: right;"></div></div></body>
</html>