DOKK / manpages

Man pages matching name al_unref_user_event in section 3alleg5:

al_unref_user_event.3alleg5.en debian 10 / allegro5-doc
al_unref_user_event.3alleg5.en debian 11 / allegro5-doc
al_unref_user_event.3alleg5.en debian 12 / allegro5-doc