Changelog for nspr-4.7.3-1.el4.x86_64.rpm :

* Wed Dec 10 2008 Kai Engert - 4.7.3-1- Update to NSPR 4.7.3
* Thu Aug 14 2008 Kai Engert - 4.7.1-1- NSPR 4.7.1
* Wed Apr 16 2008 Kai Engert - 4.7.0.99.2-2- fix incorrect obsoletes/provides for -devel package
* Tue Apr 15 2008 Kai Engert - 4.7.0.99.2-1- Initial version for RHEL 4