Man pages matching name notifier in section 7:

notifier.7.de	debian 10 / cups-daemon
notifier.7.en	debian 10 / cups-daemon
notifier.7.fr	debian 10 / cups-daemon
notifier.7.de	debian 11 / cups-daemon
notifier.7.en	debian 11 / cups-daemon
notifier.7.fr	debian 11 / cups-daemon
notifier.7.de	debian 12 / cups-daemon
notifier.7.en	debian 12 / cups-daemon
notifier.7.fr	debian 12 / cups-daemon
notifier.7.pt	debian 12 / cups-daemon