msubsup-04

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

W3C sample	WIRIS
	$$A_{C_4^3}^{B_2^1}=A_{C_{4_{\phantom{\text{l}}}}^3}^{B_2^{1^{\phantom{\text{s}}}}}$$

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <msubsup>
    <mi>A</mi>
    <mrow>
      <msubsup>
        <mi>C</mi>
        <mn>4</mn>
        <mn>3</mn>
      </msubsup>
    </mrow>
    <mrow>
      <msubsup>
        <mi>B</mi>
        <mn>2</mn>
        <mn>1</mn>
      </msubsup>
    </mrow>
  </msubsup>
  <mo>=</mo>
  <msubsup>
    <mi>A</mi>
    <mrow>
      <msubsup>
        <mi>C</mi>
        <mrow>
          <msub>
            <mn>4</mn>
            <mphantom>
              <mtext>l</mtext>
            </mphantom>
          </msub>
        </mrow>
        <mn>3</mn>
      </msubsup>
    </mrow>
    <mrow>
      <msubsup>
        <mi>B</mi>
        <mn>2</mn>
        <mrow>
          <msup>
            <mn>1</mn>
            <mphantom>
              <mtext>s</mtext>
            </mphantom>
          </msup>
        </mrow>
      </msubsup>
    </mrow>
  </msubsup>
</math>

Author: George Chavchanidze, Opera Software ASA