texmath-0.6.7: tests/writers/mfracZcomp-22.tex
\mathrm{Inline,\ styles\ auto,\ display\ and\ text~}\frac{1}{2} -\frac{1}{2} +\frac{1.23456}{7890} \mathrm{,\ the\ rendering\ should\ be\ script-size,\ normal-size\ and\ script-size\ in\ this\ example.\ Fraction\ lines\ should\ align\ vertically\ with\ the\ math\ axis.}