/usr/share/man/ is in mummer 3.23~dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/
/usr/share/man/man1/mummer.1.gz
/usr/share/man/man1/gaps.1.gz
/usr/share/man/man1/exact-tandems.1.gz
/usr/share/man/man1/show-snps.1.gz
/usr/share/man/man1/delta-filter.1.gz
/usr/share/man/man1/combineMUMs.1.gz
/usr/share/man/man1/mgaps.1.gz
/usr/share/man/man1/run-mummer1.1.gz
/usr/share/man/man1/show-aligns.1.gz
/usr/share/man/man1/run-mummer3.1.gz
/usr/share/man/man1/mummer-annotate.1.gz
/usr/share/man/man1/promer.1.gz
/usr/share/man/man1/dnadiff.1.gz
/usr/share/man/man1/show-tiling.1.gz
/usr/share/man/man1/nucmer2xfig.1.gz
/usr/share/man/man1/repeat-match.1.gz
/usr/share/man/man1/mapview.1.gz
/usr/share/man/man1/mummerplot.1.gz
/usr/share/man/man1/nucmer.1.gz
/usr/share/man/man1/show-coords.1.gz