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diff --git a/helm/ocaml/urimanager/uriManager.mli b/helm/ocaml/urimanager/uriManager.mli
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+(* Copyright (C) 2000, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
+exception IllFormedUri of string;;
+
+type uri
+
+val eq : uri -> uri -> bool
+val compare : uri -> uri -> int
+
+val uri_of_string : string -> uri
+
+val string_of_uri : uri -> string  (* complete uri *)
+val name_of_uri   : uri -> string  (* name only (without extension)*)
+val buri_of_uri   : uri -> string  (* base uri only, without trailing '/' *)
+
+(* given an uri, returns the uri of the corresponding cic file, *)
+(* i.e. removes the [.types][.ann] suffix                       *)
+val cicuri_of_uri : uri -> uri
+
+val strip_xpointer: uri -> uri      (* remove trailing #xpointer..., if any *)
+
+(* given an uri, returns the uri of the corresponding annotation file, *)
+(* i.e. adds the .ann suffix if not already present                    *)
+val annuri_of_uri : uri -> uri
+
+val uri_is_annuri : uri -> bool
+val uri_is_var : uri -> bool
+val uri_is_con : uri -> bool
+val uri_is_ind : uri -> bool
+
+(* given an uri of a constant, it gives back the uri of its body             *)
+(* it gives back None if the uri refers to a Variable or MutualInductiveType *)
+val bodyuri_of_uri : uri -> uri option
+
+(* given an uri, it gives back the uri of its inner types             *)
+val innertypesuri_of_uri : uri -> uri
+(* given an uri, it gives back the uri of its univgraph             *)
+val univgraphuri_of_uri : uri -> uri
+
+(* builder for MutInd and MutConstruct URIs
+ * [uri] -> [typeno] -> [consno option]
+ *)
+val uri_of_uriref :  uri -> int -> int option -> uri
+
+module UriSet: Set.S with type elt = uri
+
+module UriHashtbl : Hashtbl.S with type key = uri
+