Table width tests (auto)
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mtable frame="solid" width="auto">
<mtr>
<mtd>
<mi>a</mi>
</mtd>
<mtd>
<mi>b</mi>
</mtd>
</mtr>
<mtr>
<mtd>
<mi>x</mi>
</mtd>
<mtd>
<mi>y</mi>
</mtd>
</mtr>
</mtable>
</math>
Author: Design Science, Inc. (D. Doyle)