mfracSscriptlevel15.test

<<< mml
<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mfrac>
    <mn>1</mn> 
    <mn>2</mn> 
  </mfrac> 
  <mo>+</mo> 
  <mstyle displaystyle="true">
    <mfrac>
      <mn>1</mn> 
      <mn>2</mn> 
    </mfrac> 
  </mstyle> 
  <mo>+</mo> 
  <mfrac>
    <mn>1</mn> 
    <mrow>
      <mn>1</mn> 
      <mo>+</mo> 
      <mfrac>
        <mi>x</mi> 
        <mn>3</mn> 
      </mfrac> 
    </mrow> 
  </mfrac> 
  <mo>+</mo> 
  <mstyle displaystyle="true">
    <mfrac>
      <mn>1</mn> 
      <mrow>
        <mn>1</mn> 
        <mo>+</mo> 
        <mfrac>
          <mi>x</mi> 
          <mn>3</mn> 
        </mfrac> 
      </mrow> 
    </mfrac> 
  </mstyle> 
  <mo>+</mo> 
  <mstyle displaystyle="true">
    <mfrac>
      <mn>1</mn> 
      <mrow>
        <mn>1</mn> 
        <mo>+</mo> 
        <mstyle displaystyle="true">
          <mfrac>
            <mi>x</mi> 
            <mn>3</mn> 
          </mfrac> 
        </mstyle> 
      </mrow> 
    </mfrac> 
  </mstyle> </math>
>>> 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")
       ])
]