texmath-0.12.5: test/writer/mml/21.test

<<< native
[ ESub (EIdentifier "e") (ENumber "1")
, ESymbol Rel "="
, ESuper (EIdentifier "b") (ENumber "2")
, ESymbol Bin "+"
, ESuper (EIdentifier "c") (ENumber "22")
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <msub>
      <mi>e</mi>
      <mn>1</mn>
    </msub>
    <mo>=</mo>
    <msup>
      <mi>b</mi>
      <mn>2</mn>
    </msup>
    <mo>+</mo>
    <msup>
      <mi>c</mi>
      <mn>22</mn>
    </msup>
  </mrow>
</math>