Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 <html xmlns="http://www.w3.org/1999/xhtml">
2 <body onload="document.getElementById('x').appendChild(document.createElementNS('http://www.w3.org/1998/Math/MathML', 'mrow'));">
3 <div style="position: fixed;"><div><msubsup xmlns="http://www.w3.org/1998/Math/MathML" id="x"/></div><menclose xmlns="http://www.w3.org/1998/Math/MathML"/></div><mroot xmlns="http://www.w3.org/1998/Math/MathML"/>
4 </body>
5 </html>