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.
xrootd-20100315-2_fc12:EL-6:xrootd-20100315-2.fc12.src.rpm:1277088853 xrootd-20100315-3_fc12:EL-6:xrootd-20100315-3.fc12.src.rpm:1278687665