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.
ghc-regex-posix-0_94_1-2_fc12:HEAD:ghc-regex-posix-0.94.1-2.fc12.src.rpm:1264237997