form-valid-ref-4.html
<!DOCTYPE html>
<html>
<body>
<form>
<input type='text' value='foo'>
<input type='text' value='bar'>
</form>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<form>
<input type='text' value='foo'>
<input type='text' value='bar'>
</form>
</body>
</html>