stretchAccents2.test

<<< native
[ EOver False (EIdentifier "xxx") (ESymbol Accent "\175")
, ESymbol Rel "="
, EOver
    False
    (EStyled TextItalic [ EIdentifier "xxx" ])
    (ESymbol Accent "\175")
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:acc>
      <m:accPr>
        <m:chr m:val="¯" />
      </m:accPr>
      <m:e>
        <m:r>
          <m:t>xxx</m:t>
        </m:r>
      </m:e>
    </m:acc>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:acc>
      <m:accPr>
        <m:chr m:val="¯" />
      </m:accPr>
      <m:e>
        <m:r>
          <m:rPr>
            <m:sty m:val="i" />
          </m:rPr>
          <m:t>xxx</m:t>
        </m:r>
      </m:e>
    </m:acc>
  </m:oMath>
</m:oMathPara>