Man pages matching name longrun in section 1:

longrun.1.en	debian 10 / longrun
longrun.1.ja	debian 10 / longrun
longrun.1.en	debian 11 / longrun
longrun.1.ja	debian 11 / longrun
longrun.1.en	debian 12 / longrun
longrun.1.ja	debian 12 / longrun