texmath-0.10: tests/writers/miAtoken5.tex
\begin{matrix}
{A + A + A + A + A + A} \\
{\mathcal{A} + A + A + A} \\
{\mathcal{A} + A + A + A} \\
\end{matrix}
\begin{matrix}
{A + A + A + A + A + A} \\
{\mathcal{A} + A + A + A} \\
{\mathcal{A} + A + A + A} \\
\end{matrix}