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Test Info:
<!DOCTYPE html>
<html class="reftest-wait">
<!-- Test: Add the required attribute to an element to make it required. -->
<link rel='stylesheet' type='text/css' href='css-optional-style.css'>
<script type="text/javascript">
function addRequired()
{
document.getElementById('i').required = true;
}
function disableReftestWait()
{
document.documentElement.className = '';
}
</script>
<body onload="addRequired(); disableReftestWait();">
<input id="i">
</body>
</html>