texmath-0.12.5: test/writer/mml/mfracSscriptlevel15.test

<<< native
[ EFraction NormalFrac (ENumber "1") (ENumber "2")
, ESymbol Bin "+"
, EFraction NormalFrac (ENumber "1") (ENumber "2")
, ESymbol Bin "+"
, EFraction
    NormalFrac
    (ENumber "1")
    (EGrouped
       [ ENumber "1"
       , ESymbol Bin "+"
       , EFraction NormalFrac (EIdentifier "x") (ENumber "3")
       ])
, ESymbol Bin "+"
, EFraction
    NormalFrac
    (ENumber "1")
    (EGrouped
       [ ENumber "1"
       , ESymbol Bin "+"
       , EFraction NormalFrac (EIdentifier "x") (ENumber "3")
       ])
, ESymbol Bin "+"
, EFraction
    NormalFrac
    (ENumber "1")
    (EGrouped
       [ ENumber "1"
       , ESymbol Bin "+"
       , EFraction NormalFrac (EIdentifier "x") (ENumber "3")
       ])
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mfrac>
      <mn>1</mn>
      <mn>2</mn>
    </mfrac>
    <mo>+</mo>
    <mfrac>
      <mn>1</mn>
      <mn>2</mn>
    </mfrac>
    <mo>+</mo>
    <mfrac>
      <mn>1</mn>
      <mrow>
        <mn>1</mn>
        <mo>+</mo>
        <mfrac>
          <mi>x</mi>
          <mn>3</mn>
        </mfrac>
      </mrow>
    </mfrac>
    <mo>+</mo>
    <mfrac>
      <mn>1</mn>
      <mrow>
        <mn>1</mn>
        <mo>+</mo>
        <mfrac>
          <mi>x</mi>
          <mn>3</mn>
        </mfrac>
      </mrow>
    </mfrac>
    <mo>+</mo>
    <mfrac>
      <mn>1</mn>
      <mrow>
        <mn>1</mn>
        <mo>+</mo>
        <mfrac>
          <mi>x</mi>
          <mn>3</mn>
        </mfrac>
      </mrow>
    </mfrac>
  </mrow>
</math>