Man pages matching name extutils::xspp::cmd in section 3pm:

ExtUtils::XSpp::Cmd.3pm.en	debian 10 / libextutils-xspp-perl
ExtUtils::XSpp::Cmd.3pm.en	debian 11 / libextutils-xspp-perl
ExtUtils::XSpp::Cmd.3pm.en	debian 12 / libextutils-xspp-perl