diff --git a/.Makefile.lint b/.Makefile.lint
index f213229e55714480b8766486a7538600f510672a..d8fa9b5fba9e21245a6e031ee37d63282566011a 100644
--- a/.Makefile.lint
+++ b/.Makefile.lint
@@ -101,8 +101,6 @@ ML_LINT_KO+=src/kernel_services/ast_printing/cil_types_debug.ml
 ML_LINT_KO+=src/kernel_services/ast_printing/cil_types_debug.mli
 ML_LINT_KO+=src/kernel_services/ast_printing/cprint.ml
 ML_LINT_KO+=src/kernel_services/ast_printing/cprint.mli
-ML_LINT_KO+=src/kernel_services/ast_printing/description.ml
-ML_LINT_KO+=src/kernel_services/ast_printing/description.mli
 ML_LINT_KO+=src/kernel_services/ast_printing/logic_print.ml
 ML_LINT_KO+=src/kernel_services/ast_printing/printer.ml
 ML_LINT_KO+=src/kernel_services/ast_printing/printer_api.mli
diff --git a/src/kernel_services/ast_printing/description.ml b/src/kernel_services/ast_printing/description.ml
index a0a4d8a5f593408da8aff26db007b1dad4f83a4d..a11da2374c6b44c88d7057ab12dc5a929e85e7f1 100644
--- a/src/kernel_services/ast_printing/description.ml
+++ b/src/kernel_services/ast_printing/description.ml
@@ -41,17 +41,17 @@ let rec stmt_labels = function
   | Label(a,_,true) :: ls -> a :: stmt_labels ls
   | Label _ :: ls -> stmt_labels ls
   | Case(e,_) :: ls ->
-      let cvalue = (Cil.constFold true e) in
-      Format.asprintf "case %a" Printer.pp_exp cvalue
-      :: stmt_labels ls
+    let cvalue = (Cil.constFold true e) in
+    Format.asprintf "case %a" Printer.pp_exp cvalue
+    :: stmt_labels ls
   | Default _ :: ls ->
-      "default" :: stmt_labels ls
+    "default" :: stmt_labels ls
   | [] -> []
 
 let pp_labels fmt stmt =
   match stmt_labels stmt.labels with
-    | [] -> ()
-    | ls -> Format.fprintf fmt " '%s'" (String.concat "," ls)
+  | [] -> ()
+  | ls -> Format.fprintf fmt " '%s'" (String.concat "," ls)
 
 let pp_idpred kloc fmt idpred =
   let np = idpred.ip_content in
@@ -64,32 +64,32 @@ let pp_allocation kloc fmt (allocation:identified_term list) =
   else
     let names =
       List.fold_left
-	(fun names x -> names @ x.it_content.term_name)
-	[] allocation in
+        (fun names x -> names @ x.it_content.term_name)
+        [] allocation in
     match names with
-      | [] ->
-	  if kloc then
-	    let x = List.hd allocation in
-	    Format.fprintf fmt "(%a)" pp_loc x.it_content.term_loc
-	  else Format.fprintf fmt "..."
-      | _ ->
-	  Format.fprintf fmt "'%s'" (String.concat "," names)
+    | [] ->
+      if kloc then
+        let x = List.hd allocation in
+        Format.fprintf fmt "(%a)" pp_loc x.it_content.term_loc
+      else Format.fprintf fmt "..."
+    | _ ->
+      Format.fprintf fmt "'%s'" (String.concat "," names)
 
 let pp_region kloc fmt (region:from list) =
   if region = [] then Format.fprintf fmt "nothing"
   else
     let names =
       List.fold_left
-	(fun names (x,_) -> names @ x.it_content.term_name)
-	[] region in
+        (fun names (x,_) -> names @ x.it_content.term_name)
+        [] region in
     match names with
-      | [] ->
-	  if kloc then
-	    let x = fst (List.hd region) in
-	    Format.fprintf fmt "(%a)" pp_loc x.it_content.term_loc
-	  else Format.fprintf fmt "..."
-      | _ ->
-	  Format.fprintf fmt "'%s'" (String.concat "," names)
+    | [] ->
+      if kloc then
+        let x = fst (List.hd region) in
+        Format.fprintf fmt "(%a)" pp_loc x.it_content.term_loc
+      else Format.fprintf fmt "..."
+    | _ ->
+      Format.fprintf fmt "'%s'" (String.concat "," names)
 
 let pp_bhv fmt bhv =
   if not (Cil.is_default_behavior bhv) then
@@ -98,9 +98,9 @@ let pp_bhv fmt bhv =
 let pp_bhvs fmt = function
   | [] -> ()
   | b::bs ->
-      Format.fprintf fmt " @[<hov 0>'%s'" b ;
-      List.iter (fun b -> Format.fprintf fmt ",@ '%s'" b) bs ;
-      Format.fprintf fmt "@]"
+    Format.fprintf fmt " @[<hov 0>'%s'" b ;
+    List.iter (fun b -> Format.fprintf fmt ",@ '%s'" b) bs ;
+    Format.fprintf fmt "@]"
 
 let pp_for fmt = function
   | [] -> ()
@@ -112,42 +112,42 @@ let pp_named fmt nx =
 
 let pp_code_annot fmt ca =
   match ca.annot_content with
-    | AAssert(bs,np) -> Format.fprintf fmt "assertion%a%a" pp_for bs pp_named np
-    | AInvariant(bs,_,np) ->
-      Format.fprintf fmt "invariant%a%a" pp_for bs pp_named np
-    | AAssigns(bs,_) -> Format.fprintf fmt "assigns%a" pp_for bs
-    | AAllocation(bs,_) -> Format.fprintf fmt "allocates_frees%a" pp_for bs
-    | APragma _ -> Format.pp_print_string fmt "pragma"
-    | AVariant _ -> Format.pp_print_string fmt "variant"
-    | AStmtSpec _ -> Format.pp_print_string fmt "block contract"
-    | AExtended _ -> Format.pp_print_string fmt "extension"
+  | AAssert(bs,np) -> Format.fprintf fmt "assertion%a%a" pp_for bs pp_named np
+  | AInvariant(bs,_,np) ->
+    Format.fprintf fmt "invariant%a%a" pp_for bs pp_named np
+  | AAssigns(bs,_) -> Format.fprintf fmt "assigns%a" pp_for bs
+  | AAllocation(bs,_) -> Format.fprintf fmt "allocates_frees%a" pp_for bs
+  | APragma _ -> Format.pp_print_string fmt "pragma"
+  | AVariant _ -> Format.pp_print_string fmt "variant"
+  | AStmtSpec _ -> Format.pp_print_string fmt "block contract"
+  | AExtended _ -> Format.pp_print_string fmt "extension"
 
 let pp_stmt kloc fmt stmt =
   match stmt.skind with
-    | Instr (Local_init (v,_,loc)) ->
-      Format.fprintf fmt "initialization of '%s'%a" v.vname (pp_kloc kloc) loc
-    | Instr (Call(_,{enode=Lval(Var v,_)},_,loc)) ->
-	Format.fprintf fmt "call '%s'%a" v.vname (pp_kloc kloc) loc
-    | Instr (Set(_,_,loc)|Call(_,_,_,loc)) ->
-	Format.fprintf fmt "instruction%a" (pp_kloc kloc) loc
-    | Instr (Asm(_,_,_,loc)) ->
-	Format.fprintf fmt "assembly%a%a" pp_labels stmt (pp_kloc kloc) loc
-    | Instr (Skip(_,loc)) ->
-	Format.fprintf fmt "program point%a%a" pp_labels stmt (pp_kloc kloc) (loc,loc)
-    | Instr (Code_annot(ca,loc)) ->
-	Format.fprintf fmt "%a%a" pp_code_annot ca (pp_kloc kloc) loc
-    | Return(_,loc) -> Format.fprintf fmt "return%a" (pp_kloc kloc) loc
-    | Goto(s,loc) -> Format.fprintf fmt "goto %s%a" (goto_stmt !s) (pp_kloc kloc) loc
-    | Break loc -> Format.fprintf fmt "break%a" (pp_kloc kloc) loc
-    | Continue loc -> Format.fprintf fmt "continue%a" (pp_kloc kloc) loc
-    | If(_,_,_,loc) -> Format.fprintf fmt "if-then-else%a" (pp_kloc kloc) loc
-    | Switch(_,_,_,loc) -> Format.fprintf fmt "switch%a" (pp_kloc kloc) loc
-    | Loop(_,_,loc,_,_) -> Format.fprintf fmt "loop%a" (pp_kloc kloc) loc
-    | Block _ -> Format.fprintf fmt "block%a" pp_labels stmt
-    | UnspecifiedSequence _ -> Format.fprintf fmt "instruction%a" pp_labels stmt
-    | Throw(_,loc) -> Format.fprintf fmt "throw%a" (pp_kloc kloc) loc
-    | TryFinally(_,_,loc) | TryExcept(_,_,_,loc) | TryCatch(_,_,loc)->
-      Format.fprintf fmt "try-catch%a" (pp_kloc kloc) loc
+  | Instr (Local_init (v,_,loc)) ->
+    Format.fprintf fmt "initialization of '%s'%a" v.vname (pp_kloc kloc) loc
+  | Instr (Call(_,{enode=Lval(Var v,_)},_,loc)) ->
+    Format.fprintf fmt "call '%s'%a" v.vname (pp_kloc kloc) loc
+  | Instr (Set(_,_,loc)|Call(_,_,_,loc)) ->
+    Format.fprintf fmt "instruction%a" (pp_kloc kloc) loc
+  | Instr (Asm(_,_,_,loc)) ->
+    Format.fprintf fmt "assembly%a%a" pp_labels stmt (pp_kloc kloc) loc
+  | Instr (Skip(_,loc)) ->
+    Format.fprintf fmt "program point%a%a" pp_labels stmt (pp_kloc kloc) (loc,loc)
+  | Instr (Code_annot(ca,loc)) ->
+    Format.fprintf fmt "%a%a" pp_code_annot ca (pp_kloc kloc) loc
+  | Return(_,loc) -> Format.fprintf fmt "return%a" (pp_kloc kloc) loc
+  | Goto(s,loc) -> Format.fprintf fmt "goto %s%a" (goto_stmt !s) (pp_kloc kloc) loc
+  | Break loc -> Format.fprintf fmt "break%a" (pp_kloc kloc) loc
+  | Continue loc -> Format.fprintf fmt "continue%a" (pp_kloc kloc) loc
+  | If(_,_,_,loc) -> Format.fprintf fmt "if-then-else%a" (pp_kloc kloc) loc
+  | Switch(_,_,_,loc) -> Format.fprintf fmt "switch%a" (pp_kloc kloc) loc
+  | Loop(_,_,loc,_,_) -> Format.fprintf fmt "loop%a" (pp_kloc kloc) loc
+  | Block _ -> Format.fprintf fmt "block%a" pp_labels stmt
+  | UnspecifiedSequence _ -> Format.fprintf fmt "instruction%a" pp_labels stmt
+  | Throw(_,loc) -> Format.fprintf fmt "throw%a" (pp_kloc kloc) loc
+  | TryFinally(_,_,loc) | TryExcept(_,_,_,loc) | TryCatch(_,_,loc)->
+    Format.fprintf fmt "try-catch%a" (pp_kloc kloc) loc
 
 let pp_stmt_loc kloc fmt s = Format.fprintf fmt " at %a" (pp_stmt kloc) s
 
@@ -156,21 +156,21 @@ let pp_kinstr kloc fmt = function
 
 let pp_predicate fmt = function
   | PKRequires bhv ->
-      Format.fprintf fmt "Pre-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Pre-condition%a" pp_bhv bhv
   | PKAssumes bhv ->
-      Format.fprintf fmt "Assumption%a" pp_bhv bhv
+    Format.fprintf fmt "Assumption%a" pp_bhv bhv
   | PKEnsures(bhv,Normal) ->
-      Format.fprintf fmt "Post-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Post-condition%a" pp_bhv bhv
   | PKEnsures(bhv,Breaks) ->
-      Format.fprintf fmt "Breaking-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Breaking-condition%a" pp_bhv bhv
   | PKEnsures(bhv,Continues) ->
-      Format.fprintf fmt "Continue-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Continue-condition%a" pp_bhv bhv
   | PKEnsures(bhv,Returns) ->
-      Format.fprintf fmt "Return-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Return-condition%a" pp_bhv bhv
   | PKEnsures(bhv,Exits) ->
-      Format.fprintf fmt "Exit-condition%a" pp_bhv bhv
+    Format.fprintf fmt "Exit-condition%a" pp_bhv bhv
   | PKTerminates ->
-      Format.fprintf fmt "Termination-condition"
+    Format.fprintf fmt "Termination-condition"
 
 let pp_kf_context kfopt fmt kf =
   match kfopt with
@@ -239,8 +239,8 @@ let rec pp_prop kfopt kiopt kloc fmt = function
         (pp_opt kiopt (pp_kinstr kloc)) ki (pp_opt kiopt pp_active) active
     else
       Format.fprintf fmt "Behavior '%s'%a"
-	bhv.b_name
-	(pp_opt kiopt (pp_kinstr kloc)) ki
+        bhv.b_name
+        (pp_opt kiopt (pp_kinstr kloc)) ki
   | IPComplete(_,ki,active, bs) ->
     Format.fprintf fmt "Complete behaviors%a%a%a"
       pp_bhvs bs
@@ -345,18 +345,18 @@ let to_string pp elt =
   Buffer.contents b
 
 let code_annot_kind_and_node code_annot = match code_annot.annot_content with
-    | AAssert (_, {pred_content; pred_name}) ->
-        let kind = match Alarms.find code_annot with
-        | Some alarm -> Alarms.get_name alarm
-        | None ->
-          if List.exists ((=) "missing_return") pred_name
-          then "missing_return"
-          else "user assertion"
-        in
-        Some (kind, to_string Printer.pp_predicate_node pred_content)
-    | AInvariant (_, _, {pred_content}) ->
-      Some ("loop invariant", to_string Printer.pp_predicate_node pred_content)
-    | _ -> None
+  | AAssert (_, {pred_content; pred_name}) ->
+    let kind = match Alarms.find code_annot with
+      | Some alarm -> Alarms.get_name alarm
+      | None ->
+        if List.exists ((=) "missing_return") pred_name
+        then "missing_return"
+        else "user assertion"
+    in
+    Some (kind, to_string Printer.pp_predicate_node pred_content)
+  | AInvariant (_, _, {pred_content}) ->
+    Some ("loop invariant", to_string Printer.pp_predicate_node pred_content)
+  | _ -> None
 
 let property_kind_and_node property =
   let default kind = Some (kind, to_string Property.pretty property) in
@@ -416,13 +416,13 @@ let cmp_order a b = match a , b with
   | F _ , _ -> (-1)
   | _ , F _ -> 1
   | B a , B b ->
-      begin
-	match Cil.is_default_behavior a , Cil.is_default_behavior b with
-	  | true , true -> 0
-	  | true , false -> (-1)
-	  | false , true -> 1
-	  | false , false -> String.compare a.b_name b.b_name
-      end
+    begin
+      match Cil.is_default_behavior a , Cil.is_default_behavior b with
+      | true , true -> 0
+      | true , false -> (-1)
+      | false , true -> 1
+      | false , false -> String.compare a.b_name b.b_name
+    end
   | B _ , _ -> (-1)
   | _ , B _ -> 1
   | K a , K b -> Cil_datatype.Kinstr.compare a b
@@ -435,8 +435,8 @@ let rec cmp xs ys = match xs,ys with
   | [],_ -> (-1)
   | _,[] -> 1
   | x::xs,y::ys ->
-      let c = cmp_order x y in
-      if c<>0 then c else cmp xs ys
+    let c = cmp_order x y in
+    if c<>0 then c else cmp xs ys
 
 let kind_order = function
   | PKRequires bhv -> [B bhv;I 1]
diff --git a/src/kernel_services/ast_printing/description.mli b/src/kernel_services/ast_printing/description.mli
index 02b1ea479eef6d4c1174fd8e2bb51393d9284250..08c578f325304e09db5fe1f5f42a5ca3dcefa87a 100644
--- a/src/kernel_services/ast_printing/description.mli
+++ b/src/kernel_services/ast_printing/description.mli
@@ -20,7 +20,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-(** Describe items of Source and Properties. 
+(** Describe items of Source and Properties.
     @since Nitrogen-20111001 *)
 
 open Cil_types
@@ -36,7 +36,7 @@ val pp_idpred : bool -> Format.formatter -> identified_predicate -> unit
 
 val pp_region : bool -> Format.formatter -> from list -> unit
 (** prints message "nothing" or the "'<names>'" or the "(<location>)" of the
-    relation *) 
+    relation *)
 
 val pp_named: Format.formatter -> predicate -> unit
 (** prints the name of a named logic structure (if any), separated by ','. *)