passed

msup-12

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

W3C sample	WIRIS
	$a^{+} = {a^{+}}_{}^{}$

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

Author: George Chavchanidze, Opera Software ASA