Man pages matching name extutils::modulemaker::initializers in section 3pm:

ExtUtils::ModuleMaker::Initializers.3pm.en	debian 10 / libextutils-modulemaker-perl
ExtUtils::ModuleMaker::Initializers.3pm.en	debian 11 / libextutils-modulemaker-perl
ExtUtils::ModuleMaker::Initializers.3pm.en	debian 12 / libextutils-modulemaker-perl