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.
This Perl module provides some simple convenience functions for packing and unpacking IEEE 754 floats and doubles. If you can require Perl 5.10 or greater then this module is pointless. Just use the "d>" and "f>" pack formats instead.