test of differently sized table cells
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mtable>
<mtr>
<mtd>
<mo>←</mo>
</mtd>
<mtd>
<mn>1</mn>
</mtd>
</mtr>
<mtr>
<mtd>
<mtext>a long cell</mtext>
</mtd>
<mtd>
<mn>1</mn>
</mtd>
</mtr>
</mtable>
</math>
Author: Design Science, Inc. (D. Doyle, E. Cannon, E. Tabacman, R.Miner)