texmath-0.12.5: test/roundtrip/munderover-06.native

[ EUnderover
    False
    (EUnderover
       False
       (EIdentifier "BASE")
       (EIdentifier "first under script")
       (EIdentifier "second overscript"))
    (EIdentifier "second one")
    (EIdentifier "first overscript")
, ESymbol Rel "="
, EUnderover
    False
    (EOver
       False
       (EUnder
          False (EIdentifier "BASE") (EIdentifier "first under script"))
       (EIdentifier "second overscript"))
    (EIdentifier "second one")
    (EIdentifier "first overscript")
]