All reports of dh-make-template-in-source for the archive. The extended description of this tag is:
This package contains debian/*.ex and/or debian/ex.* files installed by dh_make. These are intended to be filled in with the package's details and renamed for use by various debhelper commands. If they are not being used, they should be removed.
This tag has not been emitted in any package tested by Lintian.