texmath-0.12.5: test/writer/mml/mfracBhoriz11.test

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