All reports of perl-module-in-core-directory for the archive. The extended description of this tag is:

Packaged modules must not be installed into the core perl directories as those directories change with each upstream perl revision. The vendor directories are provided for this purpose.

Refer to Debian Perl Policy section 3.1 (Site Directories) for details.

Severity: important, Certainty: certain

Check: files, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.