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.
python-rpmfluff-0_3-5_fc12:EL-5:python-rpmfluff-0.3-5.fc12.src.rpm:1268559456