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.
pstreams-devel-0_6_0-6_fc10:HEAD:pstreams-devel-0.6.0-6.fc10.src.rpm:1226138404 pstreams-devel-0_7_0-1_fc13:F-12:pstreams-devel-0.7.0-1.fc13.src.rpm:1273726115