+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
+
+(* $Id$ *)
+
+let ouri_of_nuri u = UriManager.uri_of_string (NUri.string_of_uri u);;
+
+let ouri_of_reference (NReference.Ref (_,u,_)) = ouri_of_nuri u;;
+
+let nn_2_on = function
+ | "_" -> Cic.Anonymous
+ | s -> Cic.Name s
+;;
+