Man pages matching name template::declare::tagset::rdf::em in section 3pm:

Template::Declare::TagSet::RDF::EM.3pm.en	debian 10 / libtemplate-declare-perl
Template::Declare::TagSet::RDF::EM.3pm.en	debian 11 / libtemplate-declare-perl
Template::Declare::TagSet::RDF::EM.3pm.en	debian 12 / libtemplate-declare-perl