texmath-0.10: tests/writers/mfracBheight17.tex
\begin{matrix}
\text{taller\ num} & {x^{2} + \frac{h}{x}^{2} + \left( \frac{h}{x} \right)^{2}} \\
\text{taller\ denom} & {x^{2} + \frac{x}{y}^{2} + \left( \frac{x}{y} \right)^{2}} \\
\end{matrix}
\begin{matrix}
\text{taller\ num} & {x^{2} + \frac{h}{x}^{2} + \left( \frac{h}{x} \right)^{2}} \\
\text{taller\ denom} & {x^{2} + \frac{x}{y}^{2} + \left( \frac{x}{y} \right)^{2}} \\
\end{matrix}