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.
rubygem-ffi-0_5_4-3_fc12:F-12:rubygem-ffi-0.5.4-3.fc12.src.rpm:1266848724 rubygem-ffi-0_6_2-1_fc12:F-12:rubygem-ffi-0.6.2-1.fc12.src.rpm:1268070251