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

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

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <msub>    <mi>P</mi>     <mn>0</mn>   </msub>   <mo>=</mo>   <munderover>    <mrow>      <msub>        <mi>P</mi>         <mn>0</mn>       </msub>     </mrow>     <mphantom>      <mi>x</mi>
    </mphantom>     <mphantom>      <mi>x</mi>
    </mphantom>   </munderover> </math>
>>> native
[ ESub (EIdentifier "P") (ENumber "0")
, ESymbol Rel "="
, EUnderover
    False
    (ESub (EIdentifier "P") (ENumber "0"))
    (EPhantom (EIdentifier "x"))
    (EPhantom (EIdentifier "x"))
]