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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+(*i $Id: fhimsg.mli,v 1.8.16.1 2004/07/16 19:31:48 herbelin Exp $ i*)
+
+(*i*)
+open Pp
+open Names
+open Term
+open Sign
+open Environ
+open Type_errors
+(*i*)
+
+(* This module provides functions to explain the various typing errors.
+   It is parameterized by a function to pretty-print a term in a given
+   context. *)
+
+module type Printer = sig
+  val pr_term : path_kind -> env -> constr -> std_ppcmds
+end
+
+(*s The result is a module which provides a function [explain_type_error]
+  to explain a type error for a given kind in a given env, which are 
+  usually the three arguments carried by the exception [TypeError] 
+  (see \refsec{typeerrors}). *)
+
+module Make (P : Printer) : sig
+
+val explain_type_error : path_kind -> env -> type_error -> std_ppcmds
+
+val pr_ne_ctx : std_ppcmds -> path_kind -> env -> std_ppcmds
+
+val explain_unbound_rel : path_kind -> env -> int -> std_ppcmds
+
+val explain_not_type : path_kind -> env -> constr -> std_ppcmds
+
+val explain_bad_assumption : path_kind -> env -> constr -> std_ppcmds
+ 
+val explain_reference_variables : identifier -> std_ppcmds
+
+val explain_elim_arity : 
+  path_kind -> env -> constr -> constr list -> constr 
+    -> unsafe_judgment -> (constr * constr * string) option -> std_ppcmds
+
+val explain_case_not_inductive : 
+  path_kind -> env -> unsafe_judgment -> std_ppcmds
+
+val explain_number_branches : 
+  path_kind -> env -> unsafe_judgment -> int -> std_ppcmds
+
+val explain_ill_formed_branch :
+  path_kind -> env -> constr -> int -> constr -> constr -> std_ppcmds
+
+val explain_generalization :
+  path_kind -> env -> name * types -> constr -> std_ppcmds
+
+val explain_actual_type :
+  path_kind -> env -> constr -> constr -> constr -> std_ppcmds
+
+val explain_ill_formed_rec_body :
+  path_kind -> env -> guard_error -> 
+    name array -> int -> constr array -> std_ppcmds
+
+val explain_ill_typed_rec_body  :
+  path_kind -> env -> int -> name list -> unsafe_judgment array 
+    -> types array -> std_ppcmds
+
+end