The Mer Wiki now uses your Mer user account and password (create account on https://bugs.merproject.org/)
Mer spec files have no %changelog section and use a .changes file which is the authoritative source of the Version and Release values.
In Mer, spec files are usually created by spectacle from yaml files.
Mer Packaging policy should link here
The Fedora Project has a good RPM/spec page: http://fedoraproject.org/wiki/How_to_create_an_RPM_package
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