/usr/share/groff/1.21/tmac/ is in groff-base 1.21-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/groff/1.21/tmac/an-ext.tmac
/usr/share/groff/1.21/tmac/an-old.tmac
/usr/share/groff/1.21/tmac/an.tmac
/usr/share/groff/1.21/tmac/andoc.tmac
/usr/share/groff/1.21/tmac/composite.tmac
/usr/share/groff/1.21/tmac/cp1047.tmac
/usr/share/groff/1.21/tmac/cs.tmac
/usr/share/groff/1.21/tmac/de.tmac
/usr/share/groff/1.21/tmac/den.tmac
/usr/share/groff/1.21/tmac/devtag.tmac
/usr/share/groff/1.21/tmac/doc-old.tmac
/usr/share/groff/1.21/tmac/doc.tmac
/usr/share/groff/1.21/tmac/eqnrc
/usr/share/groff/1.21/tmac/europs.tmac
/usr/share/groff/1.21/tmac/fr.tmac
/usr/share/groff/1.21/tmac/hyphen.cs
/usr/share/groff/1.21/tmac/hyphen.den
/usr/share/groff/1.21/tmac/hyphen.det
/usr/share/groff/1.21/tmac/hyphen.fr
/usr/share/groff/1.21/tmac/hyphen.sv
/usr/share/groff/1.21/tmac/hyphen.us
/usr/share/groff/1.21/tmac/hyphenex.cs
/usr/share/groff/1.21/tmac/hyphenex.det
/usr/share/groff/1.21/tmac/hyphenex.us
/usr/share/groff/1.21/tmac/ja.tmac
/usr/share/groff/1.21/tmac/latin1.tmac
/usr/share/groff/1.21/tmac/latin2.tmac
/usr/share/groff/1.21/tmac/latin5.tmac
/usr/share/groff/1.21/tmac/latin9.tmac
/usr/share/groff/1.21/tmac/man.tmac
/usr/share/groff/1.21/tmac/mandoc.tmac
/usr/share/groff/1.21/tmac/mdoc/
/usr/share/groff/1.21/tmac/mdoc.tmac
/usr/share/groff/1.21/tmac/mdoc/doc-common
/usr/share/groff/1.21/tmac/mdoc/doc-ditroff
/usr/share/groff/1.21/tmac/mdoc/doc-nroff
/usr/share/groff/1.21/tmac/mdoc/doc-syms
/usr/share/groff/1.21/tmac/papersize.tmac
/usr/share/groff/1.21/tmac/pic.tmac
/usr/share/groff/1.21/tmac/ps.tmac
/usr/share/groff/1.21/tmac/psatk.tmac
/usr/share/groff/1.21/tmac/psold.tmac
/usr/share/groff/1.21/tmac/pspic.tmac
/usr/share/groff/1.21/tmac/safer.tmac
/usr/share/groff/1.21/tmac/sv.tmac
/usr/share/groff/1.21/tmac/trans.tmac
/usr/share/groff/1.21/tmac/troffrc
/usr/share/groff/1.21/tmac/troffrc-end
/usr/share/groff/1.21/tmac/tty-char.tmac
/usr/share/groff/1.21/tmac/tty.tmac
/usr/share/groff/1.21/tmac/unicode.tmac
/usr/share/groff/1.21/tmac/www.tmac