Man pages matching name dpkg::copyright::scanner in section 3pm:

Dpkg::Copyright::Scanner.3pm.en	debian 10 / libconfig-model-dpkg-perl
Dpkg::Copyright::Scanner.3pm.en	debian 11 / libconfig-model-dpkg-perl
Dpkg::Copyright::Scanner.3pm.en	debian 12 / libconfig-model-dpkg-perl