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

<<< native
[ EIdentifier "f"
, ESymbol Rel ":"
, EIdentifier "X"
, ESymbol Rel "\8594"
, EIdentifier "Y"
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mi>f</mi>
    <mo>:</mo>
    <mi>X</mi>
    <mo>→</mo>
    <mi>Y</mi>
  </mrow>
</math>