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Test Info:

<!DOCTYPE html>
<html>
<head>
<script>
function boom()
{
var outer = document.createElement("span");
outer.dir = "auto";
var inner = document.createElement("span");
outer.appendChild(inner);
inner.appendChild(document.createTextNode("\u202B"));
inner.dir = "auto";
}
</script>
</head>
<body onload="boom();"></body>
</html>