Man pages matching name sympa::spool::digest::collection in section 3sympa:

Sympa::Spool::Digest::Collection.3sympa.en	debian 10 / sympa
Sympa::Spool::Digest::Collection.3sympa.en	debian 11 / sympa
Sympa::Spool::Digest::Collection.3sympa.en	debian 12 / sympa