msubsup-03.test

<<< native
[ ESubsup (EIdentifier "L") (EIdentifier "x") (ENumber "2")
, ESymbol Rel "="
, ESubsup
    (EIdentifier "L")
    (ESub (EIdentifier "x") (EPhantom (EIdentifier "z")))
    (ESuper (ENumber "2") (EPhantom (EIdentifier "z")))
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:sSubSup>
      <m:e>
        <m:r>
          <m:t>L</m:t>
        </m:r>
      </m:e>
      <m:sub>
        <m:r>
          <m:t>x</m:t>
        </m:r>
      </m:sub>
      <m:sup>
        <m:r>
          <m:t>2</m:t>
        </m:r>
      </m:sup>
    </m:sSubSup>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:sSubSup>
      <m:e>
        <m:r>
          <m:t>L</m:t>
        </m:r>
      </m:e>
      <m:sub>
        <m:sSub>
          <m:e>
            <m:r>
              <m:t>x</m:t>
            </m:r>
          </m:e>
          <m:sub>
            <m:phant>
              <m:phantPr>
                <m:show m:val="0" />
              </m:phantPr>
              <m:e>
                <m:r>
                  <m:t>z</m:t>
                </m:r>
              </m:e>
            </m:phant>
          </m:sub>
        </m:sSub>
      </m:sub>
      <m:sup>
        <m:sSup>
          <m:e>
            <m:r>
              <m:t>2</m:t>
            </m:r>
          </m:e>
          <m:sup>
            <m:phant>
              <m:phantPr>
                <m:show m:val="0" />
              </m:phantPr>
              <m:e>
                <m:r>
                  <m:t>z</m:t>
                </m:r>
              </m:e>
            </m:phant>
          </m:sup>
        </m:sSup>
      </m:sup>
    </m:sSubSup>
  </m:oMath>
</m:oMathPara>