Man pages matching name encode::kr::2022_kr in section 3pm:

Encode::KR::2022_KR.3pm.en	debian 10 / libencode-perl
Encode::KR::2022_KR.3pm.en	debian 11 / libencode-perl
Encode::KR::2022_KR.3pm.en	debian 12 / libencode-perl