File:	Presentation/GeneralLayout/mfrac/mfracSscriptlevel15.html
Author:	Robert Miner and Jeff Schaefer, Geometry Technologies
Description:	This example tests that <mfrac> interacts properly with the displaystyle attribute. In particular, it should set displaystyle to false for its children, or if it was already false, increase the scriptlevel for its children.
Sample Rendering:

Your browser's rendering:

1 2 + 1 2 + 1 1 + x 3 + 1 1 + x 3 + 1 1 + x 3

Source Code:

    <math> 
      <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>
  

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