texmath-0.13: test/writer/mml/mfracZcomp-01.test

<<< native
[ EText TextNormal "Inline, auto, normal line\160"
, EFraction
    NormalFrac
    (EGrouped
       [ EMathOperator "sin" , ESymbol Ord "\8289" , EIdentifier "\952" ])
    (EIdentifier "\960")
, EText
    TextNormal ", numerator and denominator should render script size."
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mtext mathvariant="normal">Inline, auto, normal line </mtext>
    <mfrac>
      <mrow>
        <mrow>
          <mi mathvariant="normal">sin</mi>
          <mo>&#8289;</mo>
        </mrow>
        <mi>θ</mi>
      </mrow>
      <mi>π</mi>
    </mfrac>
    <mtext mathvariant="normal">, numerator and denominator should render script size.</mtext>
  </mrow>
</math>