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.
jfreechart-1_0_10-1_el5:EL-5:jfreechart-1.0.10-1.el5.src.rpm:1216750794 jfreechart-1_0_13-1_fc14:EL-5:jfreechart-1.0.13-1.fc14.src.rpm:1278560473