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-zlib-0_5_0_0-2_fc10:HEAD:ghc-zlib-0.5.0.0-2.fc10.src.rpm:1227834470