texmath-0.6.7: tests/writers/mtable-01.tex
\begin{array}{c}
\mathrm{H} \\
\mathrm{T} \\
\mathrm{U} \\
\end{array}=\begin{array}{c}
\mathrm{H} \\
\mathrm{T} \\
\mathrm{U} \\
\end{array}\begin{array}{c}
\mathrm{H} \\
\mathrm{T} \\
\mathrm{U} \\
\end{array}=\begin{array}{c}
\mathrm{H} \\
\mathrm{T} \\
\mathrm{U} \\
\end{array}