texmath-0.13.3.4: test/reader/tex/cr.test

<<< tex
\begin{cases} a \cr b \end{cases} \begin{matrix} 1 & 2 \cr 3 & 4 \end{matrix}

>>> native
[ EDelimited
    "{"
    ""
    [ Right
        (EArray
           [ AlignLeft ]
           [ [ [ EIdentifier "a" ] ] , [ [ EIdentifier "b" ] ] ])
    ]
, EArray
    [ AlignCenter , AlignCenter ]
    [ [ [ ENumber "1" ] , [ ENumber "2" ] ]
    , [ [ ENumber "3" ] , [ ENumber "4" ] ]
    ]
]