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.
ant-contrib-1_0-0_10_b2_fc13:EL-5:ant-contrib-1.0-0.10.b2.fc13.src.rpm:1261499981