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.
libxcb-1_1_91-1_fc10:HEAD:libxcb-1.1.91-1.fc10.src.rpm:1221155742 libxcb-1_1_93-1_fc11:HEAD:libxcb-1.1.93-1.fc11.src.rpm:1229635191 libxcb-1_2-1_fc11:HEAD:libxcb-1.2-1.fc11.src.rpm:1234972884 libxcb-1_2-4_fc12:HEAD:libxcb-1.2-4.fc12.src.rpm:1242757718