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diff --git a/helm/ocaml/cic_notation/cicNotationEnv.mli b/helm/ocaml/cic_notation/cicNotationEnv.mli
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+(* Copyright (C) 2004-2005, 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://helm.cs.unibo.it/
+ *)
+
+exception Value_not_found of string
+
+type value =
+  | TermValue of CicNotationPt.term
+  | StringValue of string
+  | NumValue of string
+  | OptValue of value option
+  | ListValue of value list
+
+type value_type =
+  | TermType
+  | StringType
+  | NumType
+  | OptType of value_type
+  | ListType of value_type
+
+type declaration = string * value_type
+type binding = string * (value_type * value)
+type env_type = binding list
+
+  (** fills a term pattern instantiating variable magics *)
+val instantiate: env:env_type -> CicNotationPt.term -> CicNotationPt.term
+
+(** {2 Bindings mangling} *)
+
+val opt_binding_some: binding -> binding          (* v -> Some v *)
+val opt_binding_none: binding -> binding          (* v -> None *)
+
+val opt_binding_of_name:  declaration -> binding  (* None binding *)
+val list_binding_of_name: declaration -> binding  (* [] binding *)
+
+val opt_declaration:  declaration -> declaration  (* t -> OptType t *)
+val list_declaration: declaration -> declaration  (* t -> ListType t *)
+