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.
a576e99
Do package Cython sources (.pyx,.pxd,.pxi) Upstream points out that these are useful for tracebacks. We also no longer have to exclude C sources (.c, .h), as upstream now takes care of that.