Man pages matching name rdf::vcard::exporter in section 3pm:

RDF::vCard::Exporter.3pm.en	debian 10 / librdf-vcard-perl
RDF::vCard::Exporter.3pm.en	debian 11 / librdf-vcard-perl
RDF::vCard::Exporter.3pm.en	debian 12 / librdf-vcard-perl