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.
f4ffac67751bc3e556c4926da2e0b65a firefox-2.0.0.8-source.tar.bz2 43ffd5ee75354b39f8284d1c2a996fa4 firefox-langpacks-2.0.0.8-20071019.tar.bz2