<!DOCTYPE html>
<html>
<!-- Test: if textarea has a disabled fieldset ancestor, is in the first
legend but has its value not changed, it should not be
affected by :-moz-ui-invalid pseudo-class. -->
<link rel='stylesheet' type='text/css' href='style.css'>
<body>
<fieldset disabled>
<legend>
<textarea class='notinvalid' required></textarea>
</legend>
</fieldset>
</body>
</html>