texmath-0.12.5: test/writer/eqn/mfenced-01.test

<<< native
[ EDelimited
    "["
    "]"
    [ Right
        (EArray
           [ AlignCenter , AlignCenter , AlignCenter ]
           [ [ [ EIdentifier "A" ]
             , [ EIdentifier "B" ]
             , [ EIdentifier "C" ]
             ]
           , [ [ EIdentifier "D" ]
             , [ EIdentifier "E" ]
             , [ EIdentifier "F" ]
             ]
           , [ [ EIdentifier "G" ]
             , [ EIdentifier "H" ]
             , [ EIdentifier "I" ]
             ]
           ])
    ]
]
>>> eqn
left [ matrix{
ccol{ A above D above G }
ccol{ B above E above H }
ccol{ C above F above I }
} right ]