texmath-0.6.7: tests/writers/mover-01.tex
\overset{\mathrm{over}}{\mathrm{BASE}}=\overset{\phantom{\mathrm{over}}}{\overset{\mathrm{over}}{\mathrm{BASE}}}\overset{\mathrm{over}}{\mathrm{BASE}}=\overset{\phantom{\mathrm{over}}}{\overset{\mathrm{over}}{\mathrm{BASE}}}