moAlargeop12

W3C sample	WIRIS
	$\int x=\int x=\int x={\displaystyle \int x=\int x=\int x}$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mo>&#x222B;</mo>
    <mi>x</mi>
    <mo>=</mo>
    <mo largeop="true">&#x222B;</mo>
    <mi>x</mi>
    <mo>=</mo>
    <mo largeop="false">&#x222B;</mo>
    <mi>x</mi>
    <mo>=</mo>
    <mstyle displaystyle="true">
      <mo>&#x222B;</mo>
      <mi>x</mi>
      <mo>=</mo>
      <mo largeop="true">&#x222B;</mo>
      <mi>x</mi>
      <mo>=</mo>
      <mo largeop="false">&#x222B;</mo>
      <mi>x</mi>
    </mstyle>
  </mrow>
</math>

Author: Robert Miner and Jeff Schaefer, Geometry Technologies