Man pages matching name locale::recode::_conversions in section 3pm:

Locale::Recode::_Conversions.3pm.en	debian 10 / libintl-perl
Locale::Recode::_Conversions.3pm.en	debian 11 / libintl-perl
Locale::Recode::_Conversions.3pm.en	debian 12 / libintl-perl