texmath-0.7: tests/writers/mfracBvert12.tex
x - \frac{1}{3} - \frac{x}{3} - \frac{3}{x} - \frac{a}{x} - \frac{y}{x} - \frac{y_{2}}{x} - \frac{x_{2}}{x} - \frac{y}{x^{2}} - \frac{y}{H^{2}}
x - \frac{1}{3} - \frac{x}{3} - \frac{3}{x} - \frac{a}{x} - \frac{y}{x} - \frac{y_{2}}{x} - \frac{x_{2}}{x} - \frac{y}{x^{2}} - \frac{y}{H^{2}}