All reports of xs-vcs-header-in-debian-control for the archive. The extended description of this tag is:

There is an XS-Vcs-* field in the debian/control file. As of dpkg 1.14.6, the XS- prefix is no longer necessary. dpkg now recognizes these headers and handles them correctly. Consider removing the XS- prefix for this field.

Severity: wishlist, Certainty: certain

Check: control-file, Type: source

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