Alternatives:	(mml file)  (full) (simple) (plain) (form) (slideshow)
File:	Presentation/GeneralLayout/mfrac/mfracZcomp-04
CVS-ID:
Author:	Mackichan
Description:	Fairly comprehensive test of many mfrac properties
Sample Rendering:

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Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mtext>Inline, auto, thick line </mtext>
  <mstyle displaystyle="false" scriptlevel="0">
    <mrow>
      <mfrac linethickness="1pt">
        <mrow>
          <msup>
            <mi>x</mi>
            <mn>2</mn>
          </msup>
          <mo form="infix">+</mo>
          <mn>1</mn>
        </mrow>
        <mi>x</mi>
      </mfrac>
    </mrow>
  </mstyle>
  <mtext>, the superscripted 2 should be script-script size.</mtext>
</math>