texmath-0.13.1.2: test/reader/mml/msup2.test

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

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <msup>
    <mrow>
      <mo>(</mo> 
      <mrow>
        <mi>x</mi> 
        <mo>+</mo> 
        <mi>y</mi> 
      </mrow> 
      <mo>)</mo> 
    </mrow> 
    <mn>2</mn> 
  </msup> </math>
>>> native
[ ESuper
    (EDelimited
       "("
       ")"
       [ Right
           (EGrouped [ EIdentifier "x" , ESymbol Bin "+" , EIdentifier "y" ])
       ])
    (ENumber "2")
]