texmath-0.12.5: test/reader/mml/msub-06.test

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

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <msub>    <mi>U</mi>     <mi>t</mi>   </msub>   <mo>=</mo>   <msub>    <mrow>      <mi>U</mi>
    </mrow>     <mrow>      <mi>t</mi>
    </mrow>   </msub>   <mphantom>    <mfrac>      <mi>test</mi>
      <mi>failed</mi>
    </mfrac>   </mphantom> </math>
>>> native
[ ESub (EIdentifier "U") (EIdentifier "t")
, ESymbol Rel "="
, ESub (EIdentifier "U") (EIdentifier "t")
, EPhantom
    (EFraction NormalFrac (EIdentifier "test") (EIdentifier "failed"))
]