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.
libX11-1_1_99_2-1_fc11:HEAD:libX11-1.1.99.2-1.fc11.src.rpm:1229635434 libX11-1_2-1_fc11:HEAD:libX11-1.2-1.fc11.src.rpm:1234981066