texmath-0.12.5: test/writer/eqn/munderover-04.test

<<< native
[ EUnderover
    False
    (EIdentifier "- middle -")
    (EPhantom (EIdentifier "fail"))
    (EIdentifier "top")
, ESymbol Rel "="
, EOver False (EIdentifier "- middle -") (EIdentifier "top")
]
>>> eqn
{- middle -} from {hphantom fail} to top = {- middle -} to top