Man pages matching name rcs in section 1:

rcs.1.ja	debian 10 / manpages-ja
rcs.1.en	debian 10 / rcs
rcs.1.ja	debian 11 / manpages-ja
rcs.1.en	debian 11 / rcs
rcs.1.ja	debian 12 / manpages-ja
rcs.1.en	debian 12 / rcs