texmath-0.12.5: test/writer/tex/munderover-03.test

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