texmath-0.12.6: test/writer/mml/mtableAwidth2.test

<<< native
[ EArray
    [ AlignCenter , AlignCenter ]
    [ [ [ EIdentifier "a" ] , [ EIdentifier "b" ] ]
    , [ [ EIdentifier "x" ] , [ EIdentifier "y" ] ]
    ]
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mtable>
    <mtr>
      <mtd columnalign="center" style="text-align: center">
        <mi>a</mi>
      </mtd>
      <mtd columnalign="center" style="text-align: center">
        <mi>b</mi>
      </mtd>
    </mtr>
    <mtr>
      <mtd columnalign="center" style="text-align: center">
        <mi>x</mi>
      </mtd>
      <mtd columnalign="center" style="text-align: center">
        <mi>y</mi>
      </mtd>
    </mtr>
  </mtable>
</math>