texmath-0.12.5: test/writer/mml/munderover-12.test

<<< native
[ EUnderover
    False
    (EIdentifier "B")
    (EIdentifier "underscript")
    (EIdentifier "overscript")
, ESymbol Rel "="
, EOver
    False
    (EUnder
       False
       (EGrouped
          [ EPhantom (ENumber "1")
          , EIdentifier "B"
          , EPhantom (ENumber "1")
          ])
       (EIdentifier "underscript"))
    (EIdentifier "overscript")
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <munderover>
      <mi>B</mi>
      <mi>underscript</mi>
      <mi>overscript</mi>
    </munderover>
    <mo>=</mo>
    <mover>
      <munder>
        <mrow>
          <mphantom>
            <mn>1</mn>
          </mphantom>
          <mi>B</mi>
          <mphantom>
            <mn>1</mn>
          </mphantom>
        </mrow>
        <mi>underscript</mi>
      </munder>
      <mi>overscript</mi>
    </mover>
  </mrow>
</math>