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diff --git a/lib/loc.ml b/lib/loc.ml
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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+open Pp
+
+include Compat.Loc
+
+(* Locations management *)
+
+let dummy_loc = Compat.Loc.ghost
+let join_loc = Compat.Loc.merge
+let make_loc = Compat.make_loc
+let unloc = Compat.unloc
+
+type 'a located = t * 'a
+let located_fold_left f x (_,a) = f x a
+let located_iter2 f (_,a) (_,b) = f a b
+let down_located f (_,a) = f a
+
+let pr_located pr (loc, x) =
+  if Flags.do_beautify () && loc <> dummy_loc then
+    let (b, e) = unloc loc in
+    Pp.comment b ++ pr x ++ Pp.comment e
+  else pr x