scholdoc-texmath-0.1: tests/writers/mfrac-09.tex
\frac{9}{14} = \frac{9}{14}\frac{\phantom{\frac{\phantom{1}}{\phantom{2}}}}{\phantom{\frac{\phantom{1}}{\phantom{2}}}}
\frac{9}{14} = \frac{9}{14}\frac{\phantom{\frac{\phantom{1}}{\phantom{2}}}}{\phantom{\frac{\phantom{1}}{\phantom{2}}}}