texmath-0.12.5: test/writer/mml/02.test

<<< native
[ ENumber "2"
, ESymbol Rel "="
, EDelimited
    "("
    ")"
    [ Right
        (EFraction
           NormalFrac
           (EGrouped
              [ EDelimited
                  "("
                  ")"
                  [ Right (ENumber "3")
                  , Right (ESymbol Bin "\8722")
                  , Right (EIdentifier "x")
                  ]
              , ESymbol Bin "\215"
              , ENumber "2"
              ])
           (EGrouped [ ENumber "3" , ESymbol Bin "\8722" , EIdentifier "x" ]))
    ]
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mn>2</mn>
    <mo>=</mo>
    <mrow>
      <mo stretchy="true" form="prefix">(</mo>
      <mfrac>
        <mrow>
          <mrow>
            <mo stretchy="true" form="prefix">(</mo>
            <mn>3</mn>
            <mo>−</mo>
            <mi>x</mi>
            <mo stretchy="true" form="postfix">)</mo>
          </mrow>
          <mo>×</mo>
          <mn>2</mn>
        </mrow>
        <mrow>
          <mn>3</mn>
          <mo>−</mo>
          <mi>x</mi>
        </mrow>
      </mfrac>
      <mo stretchy="true" form="postfix">)</mo>
    </mrow>
  </mrow>
</math>