+* Fri Feb 24 2012 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - plewww-4.3-70
+- refactoring for tophat/columns
+- should take care of the irritating warning message about columns
+
+* Mon Nov 28 2011 Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr> - plewww-4.3-69
+- do not display the 'node' role when confusing
+