sub-vs-sup-mozilla-345563.xhtml

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /mathml/presentation-markup/scripts/sub-vs-sup-mozilla-345563.xhtml - WPT Dashboard Interop Dashboard

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd" >

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<link rel="help" href="https://w3c.github.io/mathml-core/#subscripts-and-superscripts-msub-msup-msubsup"/>

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=345563"/>

<link rel="mismatch" href="sub-vs-sup-mozilla-345563-ref.xhtml"/>

<meta name="assert" content="Subscript should not render the same as superscript."/>

</head>

<body>

<p>

  <math xmlns="http://www.w3.org/1998/Math/MathML">

    <msub>

      <mi>x</mi>

      <mn>2</mn>

    </msub>

  </math>

</p>

</body>

</html>