/usr/share/doc/ is in slsh 2.2.4-15ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc-base/slsh
/usr/share/doc/slsh/
/usr/share/doc/slsh/html/
/usr/share/doc/slsh/html/slshfun-3.html
/usr/share/doc/slsh/html/slshfun-2.html
/usr/share/doc/slsh/html/slshfun-6.html
/usr/share/doc/slsh/html/slshfun-1.html
/usr/share/doc/slsh/html/slshfun-8.html
/usr/share/doc/slsh/html/slshfun-4.html
/usr/share/doc/slsh/html/slshfun.html
/usr/share/doc/slsh/html/slshfun-9.html
/usr/share/doc/slsh/html/slshfun-5.html
/usr/share/doc/slsh/html/slshfun-7.html
/usr/share/doc/slsh/copyright
/usr/share/doc/slsh/examples/
/usr/share/doc/slsh/examples/slsmgex2.sl
/usr/share/doc/slsh/examples/sort.sl
/usr/share/doc/slsh/examples/saveobj.sl
/usr/share/doc/slsh/examples/life.sl
/usr/share/doc/slsh/examples/colormap.sl
/usr/share/doc/slsh/examples/assoc.sl
/usr/share/doc/slsh/examples/utmp.sl
/usr/share/doc/slsh/examples/prime.sl
/usr/share/doc/slsh/changelog.Debian.gz