Man pages matching name i18n::acceptlanguage in section 3pm:

I18N::AcceptLanguage.3pm.en	debian 10 / libi18n-acceptlanguage-perl
I18N::AcceptLanguage.3pm.en	debian 11 / libi18n-acceptlanguage-perl
I18N::AcceptLanguage.3pm.en	debian 12 / libi18n-acceptlanguage-perl