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.
8e672d9f9206e0e1f03790dacb51e1bb thunderbird-2.0.0.0rc1-source.tar.bz2 f77c5bbdf6aa126e60d22a14d0db6129 thunderbird-langpacks-2.0.0.0-20070411.tar.bz2