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.
cpnt is depricated now (I think) because of ntfs-3g. Furthermore reged is probably less useful than regedit.exe under WINE, but as both of these might be useful for someone trying to run some old script it's probably worthwhile to include them both.