texmath-0.13.1.2: test/reader/mml/msub-07.test

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

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <msub>    <mi>D</mi>     <mi>y</mi>   </msub>   <mo>=</mo>   <msub>    <mi>D</mi>     <mrow>      <munder>        <mi>y</mi>
        <mphantom>
          <mi>s</mi>
        </mphantom>
      </munder>
    </mrow>   </msub> </math>
>>> native
[ ESub (EIdentifier "D") (EIdentifier "y")
, ESymbol Rel "="
, ESub
    (EIdentifier "D")
    (EUnder False (EIdentifier "y") (EPhantom (EIdentifier "s")))
]