Man pages matching name syntax::highlight::engine::kate::perl6 in section 3pm:

Syntax::Highlight::Engine::Kate::Perl6.3pm.en	debian 10 / libsyntax-highlight-engine-kate-perl
Syntax::Highlight::Engine::Kate::Perl6.3pm.en	debian 11 / libsyntax-highlight-engine-kate-perl
Syntax::Highlight::Engine::Kate::Perl6.3pm.en	debian 12 / libsyntax-highlight-engine-kate-perl