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.
linux-libertine-fonts-2_7_9-2_fc10:HEAD:linux-libertine-fonts-2.7.9-2.fc10.src.rpm:1220476988 linux-libertine-fonts-4_1_8-3_fc11:HEAD:linux-libertine-fonts-4.1.8-3.fc11.src.rpm:1237142709