texmath-0.13.1.2: test/writer/mml/mfencedBfences7.test

<<< native
[ EDelimited
    "("
    ")"
    [ Right
        (EGrouped [ EIdentifier "a" , ESymbol Bin "+" , EIdentifier "b" ])
    ]
, ESymbol Bin "+"
, EDelimited
    "("
    ")"
    [ Right (EFraction NormalFrac (ENumber "1") (ENumber "2")) ]
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mrow>
      <mo stretchy="true" form="prefix">(</mo>
      <mrow>
        <mi>a</mi>
        <mo>+</mo>
        <mi>b</mi>
      </mrow>
      <mo stretchy="true" form="postfix">)</mo>
    </mrow>
    <mo>+</mo>
    <mrow>
      <mo stretchy="true" form="prefix">(</mo>
      <mfrac>
        <mn>1</mn>
        <mn>2</mn>
      </mfrac>
      <mo stretchy="true" form="postfix">)</mo>
    </mrow>
  </mrow>
</math>