<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>none used at other places than mmultiscripts' script</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#subscripts-and-superscripts-msub-msup-msubsup">
<meta name="assert" content="none can be used at other places than mmultiscripts' script, without triggering 'invalid markup'">
<link rel="match" href="none-002-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
math { font: 25px/1 Ahem; }
</style>
</head>
<body>
<p>
<math>
<msub>
<none/>
<mn>2</mn>
</msub>
</math>
<math>
<msub>
<mn>1</mn>
<none/>
</msub>
</math>
</p>
<p>
<math>
<msup>
<none/>
<mn>2</mn>
</msup>
</math>
<math>
<msup>
<mn>1</mn>
<none/>
</msup>
</math>
</p>
<p>
<math>
<msubsup>
<none/>
<mn>2</mn>
<mn>3</mn>
</msubsup>
</math>
<math>
<msubsup>
<mn>1</mn>
<none/>
<mn>3</mn>
</msubsup>
</math>
<math>
<msubsup>
<mn>1</mn>
<mn>2</mn>
<none/>
</msubsup>
</math>
</p>
<p>
<math>
<mmultiscripts>
<none/>
<mn>2</mn>
<mn>3</mn>
</mmultiscripts>
</math>
</p>
</body>
</html>
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