Changelog for silgraphite-2.3.1-4.el6.nux.x86_64.rpm :

* Wed Feb 09 2011 Fedora Release Engineering - 2.3.1-4- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
* Thu Jul 15 2010 Caolán McNamara - 2.3.1-3- Related: rhbz#614814 workaround internal compiler error
* Thu Jul 15 2010 Caolán McNamara - 2.3.1-2- add CPL as other optional licence- drop wrong extra description entry
* Thu Jul 15 2010 Caolán McNamara - 2.3.1-1 - initial fedora import