Changelog for ghc-extensible-exceptions-devel-0.1.1.4-13.fc20.x86_64.rpm :
Sat Aug 3 14:00:00 2013 Fedora Release Engineering - 0.1.1.4-13
- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild

Mon Jun 10 14:00:00 2013 Fedora Haskell SIG - 0.1.1.4-12
- spec file generated by cabal-rpm-0.8.1
- this library was dropped from ghc in 7.6