texmath-0.12.5: test/writer/mml/href1.test

<<< native
[ EGrouped
    [ ESuper
        (EIdentifier "\8519")
        (EGrouped [ EIdentifier "\8520" , EIdentifier "\960" ])
    , ESymbol Bin "+"
    , ENumber "1"
    ]
, ESymbol Rel "="
, ENumber "0"
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mrow>
      <msup>
        <mi>ⅇ</mi>
        <mrow>
          <mi>ⅈ</mi>
          <mi>π</mi>
        </mrow>
      </msup>
      <mo>+</mo>
      <mn>1</mn>
    </mrow>
    <mo>=</mo>
    <mn>0</mn>
  </mrow>
</math>