texmath-0.13.2: test/writer/starmath/056_vmatrix_environment.test
<<< tex
\begin{Vmatrix}a&b\\c&d\end{Vmatrix}
>>> starmath
left ldline matrix { a # b ## c # d } right rdline
<<< tex
\begin{Vmatrix}a&b\\c&d\end{Vmatrix}
>>> starmath
left ldline matrix { a # b ## c # d } right rdline