texmath-0.7: tests/writers/mfenced-07.tex
\left( \begin{array}{l}
U \\
V \\
\end{array} \right) = \left( \begin{array}{l}
U \\
V \\
\end{array} \right)
\left( \begin{array}{l}
U \\
V \\
\end{array} \right) = \left( \begin{array}{l}
U \\
V \\
\end{array} \right)