texmath-0.7: tests/writers/mtableAalign3.tex
\begin{array}{lll}
\frac{a + 1}{2} & b & c \\
x & {\frac{2}{3}y + 5} & z \\
1 & 2 & \frac{a + 5}{3} \\
\end{array}
\begin{array}{lll}
\frac{a + 1}{2} & b & c \\
x & {\frac{2}{3}y + 5} & z \\
1 & 2 & \frac{a + 5}{3} \\
\end{array}