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Test Info:

<!DOCTYPE html>
<html>
<head>
<script>
function boom()
{
var f = document.createElementNS("http://www.w3.org/1999/xhtml", "input");
f.setAttributeNS(null, "type", "file");
document.body.appendChild(f);
f.style.whiteSpace = "pre-line";
f.style.display = "flex";
document.body.style.transitionTimingFunction = "linear";
}
</script>
</head>
<body onload="boom();"></body>
</html>