Man pages matching name perinci::sub::normalize in section 3pm:

Perinci::Sub::Normalize.3pm.en	debian 10 / libperinci-sub-normalize-perl
Perinci::Sub::Normalize.3pm.en	debian 11 / libperinci-sub-normalize-perl
Perinci::Sub::Normalize.3pm.en	debian 12 / libperinci-sub-normalize-perl