texmath-0.12.8: test/writer/tex/mtable-01.test

<<< native
[ EArray
    [ AlignCenter ]
    [ [ [ EIdentifier "H" ] ]
    , [ [ EIdentifier "T" ] ]
    , [ [ EIdentifier "U" ] ]
    ]
, ESymbol Rel "="
, EArray
    [ AlignCenter ]
    [ [ [ EIdentifier "H" ] ]
    , [ [ EIdentifier "T" ] ]
    , [ [ EIdentifier "U" ] ]
    ]
]
>>> tex
\begin{matrix}
H \\
T \\
U
\end{matrix} = \begin{matrix}
H \\
T \\
U
\end{matrix}