texmath-0.10: tests/writers/moAstretchy18.tex
\begin{pmatrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{pmatrix}(\begin{matrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{matrix})\begin{pmatrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{pmatrix}
\begin{pmatrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{pmatrix}(\begin{matrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{matrix})\begin{pmatrix}
0 \\
0 \\
0 \\
0 \\
0 \\
\end{pmatrix}