The top-level element for math tagged according to the MathML DTD. See documentation for the Mathematical Markup Language (MathML) 2.0 DTD.
Text, numbers, or special characters.
<article>
<front>
...
</front>
<body>
...
<p>... This can be seen in the following summation:
<mml:math>
<mml:semantics>
<mml:mrow>
<mml:munder>
<mml:mo>∑</mml:mo>
<mml:mi>m</mml:mi>
</mml:munder>
<mml:mrow>
<mml:msub>
<mml:mover accent='true'>
<mml:mi>p</mml:mi>
<mml:mo>˙</mml:mo>
</mml:mover>
<mml:mi>m</mml:mi>
</mml:msub>
<mml:mo>=</mml:mo>
<mml:mn>0</mml:mn>
</mml:mrow>
</mml:mrow>
</mml:semantics>
</mml:math>
</p>
...
</body>
<back>
...
</back>
</article>
mathml2.dtd