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.
perl-XML-Atom-SimpleFeed-0_8-1_el5:F-8:perl-XML-Atom-SimpleFeed-0.8-1.el5.src.rpm:1213129407