texmath-0.12.8: test/writer/tex/mtableBgap1.test

<<< native
[ EArray
    [ AlignCenter , AlignCenter , AlignCenter , AlignCenter ]
    [ [ [ EIdentifier "B" ] , [ EIdentifier "C" ] , [] , [] ]
    , [ [] , [] , [] , [] ]
    , [ [ ENumber "1" ]
      , [ ENumber "2" ]
      , [ ENumber "3" ]
      , [ ENumber "4" ]
      ]
    ]
]
>>> tex
\begin{matrix}
B & C & & \\
 & & & \\
1 & 2 & 3 & 4
\end{matrix}