texmath-0.12.5: test/reader/mml/munder-12.test

<<< mml
<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <munder>    <mi mathvariant="normal">B</mi>     <mi mathvariant="normal">underscript</mi>   </munder>   <mo>=</mo>   <munder>    <mrow>      <mphantom>        <mn>1</mn>
      </mphantom>
      <mi mathvariant="normal">B</mi>
      <mphantom>
        <mn>1</mn>
      </mphantom>
    </mrow>     <mi mathvariant="normal">underscript</mi>   </munder> </math>
>>> native
[ EUnder False (EIdentifier "B") (EIdentifier "underscript")
, ESymbol Rel "="
, EUnder
    False
    (EGrouped
       [ EPhantom (ENumber "1")
       , EIdentifier "B"
       , EPhantom (ENumber "1")
       ])
    (EIdentifier "underscript")
]