texmath-0.10: tests/writers/mtableBspan3.tex

\begin{matrix}
3 & 0 & 0 \\
\begin{matrix}
2 \\
2 \\
2 \\
\end{matrix} & 3 & 0 \\
0 & 3 & \\
\end{matrix}\begin{matrix}
3 & 0 & 0 \\
\begin{matrix}
2 \\
2 \\
2 \\
\end{matrix} & 3 & 0 \\
0 & 3 & \\
\end{matrix}