texmath-0.7: tests/writers/stretchAccents2.mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mover>
<mi>xxx</mi>
<mo accent="true">¯</mo>
</mover>
<mo>=</mo>
<mover>
<mstyle mathvariant="italic">
<mi>𝑥𝑥𝑥</mi>
</mstyle>
<mo accent="true">¯</mo>
</mover>
</mrow>
</math>