msup-11

Formatting of right hand side of equation should be identical to formatting of left hand side

W3C sample	WIRIS
	$$e^x=\stackrel{\phantom{z}}{e^x}$$

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <msup>
    <mi>e</mi>
    <mi>x</mi>
  </msup>
  <mo>=</mo>
  <mover>
    <mrow>
      <msup>
        <mi>e</mi>
        <mi>x</mi>
      </msup>
    </mrow>
    <mphantom>
      <mi>z</mi>
    </mphantom>
  </mover>
</math>

Author: George Chavchanidze, Opera Software ASA