texmath-0.10: tests/writers/msqrt-03.tex
\sqrt{\begin{matrix}
\phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} \\
\phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} \\
\end{matrix}}
\sqrt{\begin{matrix}
\phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} \\
\phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} & \phantom{A} \\
\end{matrix}}