/usr/share/ is in liballegro4-dev 2:4.4.2-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/rgbmap.1.gz
/usr/share/man/man1/exedat.1.gz
/usr/share/man/man1/textconv.1.gz
/usr/share/doc/
/usr/share/doc/liballegro4-dev/
/usr/share/doc/liballegro4-dev/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/allegro-dev-tools.1.gz
/usr/share/man/man1/allegro-config.1.gz
/usr/share/doc/liballegro4-dev/CHANGES.gz
/usr/share/doc/liballegro4-dev/changelog.Debian.gz
/usr/share/man/man1/pat2dat.1.gz
/usr/share/man/man1/dat2s.1.gz
/usr/share/man/man1/dat.1.gz
/usr/share/man/man1/colormap.1.gz
/usr/share/man/man1/dat2c.1.gz
/usr/share/man/man1/grabber.1.gz
/usr/share/man/man1/pack.1.gz