texmath-0.6.7: tests/writers/mover-07.tex
\overset{\mathrm{mover\ over\ script}}{\mathrm{mover\ baseline}}=\overset{\phantom{\mathrm{fail}}}{\overset{\mathrm{mover\ over\ script}}{\mathrm{mover\ baseline}}}\overset{\mathrm{mover\ over\ script}}{\mathrm{mover\ baseline}}=\overset{\phantom{\mathrm{fail}}}{\overset{\mathrm{mover\ over\ script}}{\mathrm{mover\ baseline}}}