Changelog for pngcheck-2.1.0-1.el3.rf.x86_64.rpm :

* Tue Aug 08 2006 Dries Verachtert - 2.1.0-1 - 4636+/dries- Updated to release 2.1.0.
* Mon Jul 18 2005 Dries Verachtert - 2.0.0-1- Initial package.