texmath-0.12.5: test/writer/tex/munderover-05.test

<<< native
[ EUnderover
    False
    (EIdentifier "_ baseline _")
    (EPhantom (EIdentifier "fail"))
    (EPhantom (EIdentifier "fail"))
, ESymbol Rel "="
, EIdentifier "_ baseline _"
]
>>> tex
\underset{\phantom{fail}}{\overset{\phantom{fail}}{\_\ baseline\ \_}} = {\_\ baseline\ \_}