These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
ca7b2a5
Fixed Source0 as reported: https://www.redhat.com/archives/fedora-devel-list/2009-August/msg00591. html