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diff --git a/interp/constrextern.mli b/interp/constrextern.mli
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+(***********************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team    *)
+(* <O___,, *        INRIA-Rocquencourt  &  LRI-CNRS-Orsay              *)
+(*   \VV/  *************************************************************)
+(*    //   *      This file is distributed under the terms of the      *)
+(*         *       GNU Lesser General Public License Version 2.1       *)
+(***********************************************************************)
+
+(*i $Id$ *)
+
+(*i*)
+open Names
+open Term
+open Termops
+open Sign
+open Environ
+open Libnames
+open Nametab
+open Rawterm
+open Pattern
+open Topconstr
+(*i*)
+
+(* Translation of pattern, cases pattern, rawterm and term into syntax
+   trees for printing *)
+
+val extern_cases_pattern : cases_pattern -> cases_pattern_expr
+val extern_rawconstr : rawconstr -> constr_expr
+val extern_pattern : env -> names_context -> constr_pattern -> constr_expr
+
+(* If [b=true] in [extern_constr b env c] then the variables in the first 
+   level of quantification clashing with the variables in [env] are renamed *)
+
+val extern_constr : bool -> env -> constr -> constr_expr
+val extern_ref    : global_reference -> reference
+
+(* For debugging *)
+val print_implicits : bool ref
+val print_casts : bool ref
+val print_arguments : bool ref
+val print_evar_arguments : bool ref
+val print_coercions : bool ref
+val print_universes : bool ref
+
+val with_casts : ('a -> 'b) -> 'a -> 'b
+val with_implicits : ('a -> 'b) -> 'a -> 'b
+val with_arguments : ('a -> 'b) -> 'a -> 'b
+val with_coercions : ('a -> 'b) -> 'a -> 'b
+val with_universes : ('a -> 'b) -> 'a -> 'b