mathml/presentation/sup.xhtml

<html xmlns='http://www.w3.org/1999/xhtml'>
<head>
<title>Superscripts</title>
<style type="text/css">
	body {
	   overflow: hidden;
	}
</style>
</head>
<body>
<p id='t1'>superscript: 
<math xmlns='http://www.w3.org/1998/Math/MathML'>
<msup><mi>x</mi><mn>2</mn></msup>
</math>
</p>

<p id='t2'>For <a href="https://bugs.webkit.org/show_bug.cgi?id=95404">Bug 95404</a> -
 mathml.css: Add more { white-space: nowrap } declarations:<br />
	<math xmlns='http://www.w3.org/1998/Math/MathML'>
		<msup>
			<mi style="padding-right: 50vw">x</mi>
			<mi style="padding-right: 50vw">y</mi>
		</msup>
	</math>
</p>

</body>
</html>