texmath-0.12.5: test/writer/mml/mid2.test

<<< native
[ ESymbol Rel "\8739"
, EFraction NormalFrac (EIdentifier "H") (EIdentifier "K")
, ESymbol Rel "\8739"
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mo>∣</mo>
    <mfrac>
      <mi>H</mi>
      <mi>K</mi>
    </mfrac>
    <mo>∣</mo>
  </mrow>
</math>