MathML support test

by Anton

HTML

<h1>Example of MathML embedded in an HTML5 file</h1>
<p>
    The area of a circle is 
    <math>
        <mi>&pi;</mi>
        <mo>&InvisibleTimes;</mo>
        <msup>
            <mi>r</mi>
            <mn>2</mn>
        </msup>
    </math>.
</p>