A copyright notice should include the year of first publication. Since changes have been made to the initial work since then, it’s common usage to also document the years in between. The dates have been figured out from the Git repository.
@@ -1,4 +1,4 @@
-Copyright (c) Jordi Boggiano
+Copyright (c) 2011-2014 Jordi Boggiano
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
David Prévot