MathML Fundamentals - Text mtext

An mtext element is used to represent arbitrary text that should be rendered as itself. In general, the mtext element is intended to denote commentary text. MathML Fundamentals

Theorem 1: /* a comment */

MathML

<math>
	<mtext> Theorem 1: </mtext>
	<mtext> /* a comment */ </mtext>
</math>