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.
ruby-1_8_6_287-4_fc10:HEAD:ruby-1.8.6.287-4.fc10.src.rpm:1237096558 ruby-1_8_6_287-5_fc10:HEAD:ruby-1.8.6.287-5.fc10.src.rpm:1237096677