passed

msup-04

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

W3C sample	WIRIS
	$2^{3^{4}} = 2^{3^{4^{}}}$

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <msup>
    <mn>2</mn>
    <mrow>
      <msup>
        <mn>3</mn>
        <mn>4</mn>
      </msup>
    </mrow>
  </msup>
  <mo>=</mo>
  <msup>
    <mn>2</mn>
    <mrow>
      <msup>
        <mn>3</mn>
        <mrow>
          <msup>
            <mn>4</mn>
            <mphantom>
              <mi>fail</mi>
            </mphantom>
          </msup>
        </mrow>
      </msup>
    </mrow>
  </msup>
</math>

Author: George Chavchanidze, Opera Software ASA