<<< native
[ EText TextNormal "Inline, styles auto, display and text\160"
, EGrouped
    [ EFraction NormalFrac (ENumber "1") (ENumber "2")
    , ESymbol Bin "-"
    , EFraction NormalFrac (ENumber "1") (ENumber "2")
    , ESymbol Bin "+"
    , EFraction NormalFrac (ENumber "1.23456") (ENumber "7890")
    ]
, EText
    TextNormal
    ", the rendering should be script-size, normal-size and script-size in this example. Fraction lines should align vertically with the math axis."
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:r>
      <m:rPr>
        <m:nor />
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>Inline, styles auto, display and text </m:t>
    </m:r>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:t>1</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:t>2</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>-</m:t>
    </m:r>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:t>1</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:t>2</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>+</m:t>
    </m:r>
    <m:f>
      <m:fPr>
        <m:type m:val="bar" />
      </m:fPr>
      <m:num>
        <m:r>
          <m:t>1.23456</m:t>
        </m:r>
      </m:num>
      <m:den>
        <m:r>
          <m:t>7890</m:t>
        </m:r>
      </m:den>
    </m:f>
    <m:r>
      <m:rPr>
        <m:nor />
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>, the rendering should be script-size, normal-size and script-size in this example. Fraction lines should align vertically with the math axis.</m:t>
    </m:r>
  </m:oMath>
</m:oMathPara>