Test of maction using the tooltip actiontype
<math xmlns="http://www.w3.org/1998/Math/MathML">
<maction actiontype="tooltip">
<mfrac>
<mi>y</mi>
<mi>x</mi>
</mfrac>
<mtext>Divide y by x</mtext>
</maction>
</math>
Author: Design Science, Inc. (D. Doyle)
