texmath-0.6.7: tests/writers/stretchAccents1.tex
\widehat{{xxx}}+\overline{{xxx}}+\check{{xxx}}+\widetilde{{xxx}}+\overbrace{{xxx}}+\underbrace{{xxx}}+{xxx}\widehat{{xxx}}+\overline{{xxx}}+\check{{xxx}}+\widetilde{{xxx}}+\overbrace{{xxx}}+\underbrace{{xxx}}+{xxx}