scholdoc-texmath-0.1: tests/writers/munder-07.tex
\underset{munder\ under\ script}{munder\ baseline} = \overset{\phantom{fail}}{\underset{munder\ under\ script}{munder\ baseline}}
\underset{munder\ under\ script}{munder\ baseline} = \overset{\phantom{fail}}{\underset{munder\ under\ script}{munder\ baseline}}