diff --git a/CHANGES.md b/CHANGES.md
index 32ee780d..23d34b3d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,11 @@
+## Version 0.19.1
+
+ - [serlib] Support `btauto` Coq plugin (@ejgallego, #362)
+ - [serlib] Support `extraction` Coq plugin (@ejgallego, @toku-sa-n,
+            #375, fixes #371)
+ - [general] Make licensing clearer (@ejgallego, @palmskog,
+             @SnarkBoojum, #361, closes #266)
+
 ## Version 0.19.0
 
  - [serapi] (!) support for Coq 8.19, thanks to all the developers
diff --git a/LICENSE b/LICENSE
index 8b88e2c9..54458aa3 100644
--- a/LICENSE
+++ b/LICENSE
@@ -3,22 +3,24 @@ Upstream-Name: coq-serapi
 Upstream-Contact: Emilio J. Gallego Arias <e@x80.org>
 Source: https://github.com/ejgallego/coq-serapi
 License: LGPL-2.1+
-Copyright: 2016-2022, MINES ParisTech / Inria
+Copyright: 2016-2023, MINES ParisTech / Inria / others
+Authors: Emilio J. Gallego Arias, Karl Palmskog, Clément Pit-Claudel, Kaiyu Yang
 
-Authors: Emilio J. Gallego Arias
+Files: sertop/js_sexp_printer.ml*
+License: MIT
+Copyright: Copyright (c) 2005--2023 Jane Street Group, LLC <opensource-contacts@janestreet.com>
+
+Files: serlib/* serapi/* sertop/ser* sertop/comp*
+License: LGPL-2.1+
+Copyright: 2016-2023, MINES ParisTech / Inria / others
 
 Files: notes/*
 License: LGPL-2.1+ / CC-BY-SA 3.0
 
-Files: jscoq/*
-License: GPL-3+
-
 Files: tests/genarg/*
 Authors: Karl Palmskog
 Licence: Derived from many projects as test cases, falls into fair-use
 
 Comment: the intent is to be compatible with Coq's license. Note that
-the LGPL-2.1+ allows to treat the code as GPL-3+ , and we favor
-that. In some cases, like when linking with jsCoq's code or other code
-that is GPL-3 only, the resulting .js or binaries files will be GPL-3.
+the LGPL-2.1+ allows to treat the code as GPL-3+ , and we favor that.
 
diff --git a/coq-serapi.opam b/coq-serapi.opam
index a0cb06f8..e0d9d626 100644
--- a/coq-serapi.opam
+++ b/coq-serapi.opam
@@ -3,7 +3,7 @@ maintainer:   "e@x80.org"
 homepage:     "https://github.com/ejgallego/coq-serapi"
 bug-reports:  "https://github.com/ejgallego/coq-serapi/issues"
 dev-repo:     "git+https://github.com/ejgallego/coq-serapi.git"
-license:      "GPL-3.0-or-later"
+license:      "LGPL-2.1-or-later"
 doc:          "https://ejgallego.github.io/coq-serapi/"
 
 synopsis:     "Serialization library and protocol for machine interaction with the Coq proof assistant"
diff --git a/serapi/dune b/serapi/dune
index 8a2044b4..a8e6698b 100644
--- a/serapi/dune
+++ b/serapi/dune
@@ -2,4 +2,4 @@
  (name serapi)
  (public_name coq-serapi.serapi_v8_14)
  (synopsis "Serialization Protocol for Coq")
- (libraries coq-core.stm coq-core.plugins.ltac sexplib))
+ (libraries coq-core.stm coq-core.plugins.ltac sexplib base))
diff --git a/serapi/ser_stream.ml b/serapi/ser_stream.ml
index 56cae70b..16b091b5 100644
--- a/serapi/ser_stream.ml
+++ b/serapi/ser_stream.ml
@@ -1,4 +1,20 @@
-(* Compat_code *)
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
 
 let of_string = Gramlib.Stream.of_string
 let of_channel = Gramlib.Stream.of_channel
diff --git a/serapi/serapi_assumptions.ml b/serapi/serapi_assumptions.ml
index f20b6d0a..09b97604 100644
--- a/serapi/serapi_assumptions.ml
+++ b/serapi/serapi_assumptions.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type ax_ctx = (Names.Label.t * Constr.rel_context * Constr.t) list
diff --git a/serapi/serapi_assumptions.mli b/serapi/serapi_assumptions.mli
index 9d038c89..b58f307f 100644
--- a/serapi/serapi_assumptions.mli
+++ b/serapi/serapi_assumptions.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type ax_ctx = (Names.Label.t * Constr.rel_context * Constr.t) list
diff --git a/serapi/serapi_doc.ml b/serapi/serapi_doc.ml
index d15ab786..6893f889 100644
--- a/serapi/serapi_doc.ml
+++ b/serapi/serapi_doc.ml
@@ -1,23 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2021       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2020-2021 Inria                                            *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* Duplicate with sertop, fix in different refactoring *)
 let check_pending_proofs ~pstate =
   Option.iter (fun _pstate ->
   (* let pfs = Proof_global.get_all_proof_names pstate in *)
diff --git a/serapi/serapi_doc.mli b/serapi/serapi_doc.mli
index 267c9a88..68cf69fe 100644
--- a/serapi/serapi_doc.mli
+++ b/serapi/serapi_doc.mli
@@ -1,20 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2021       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2020-2021 Inria                                            *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 val check_pending_proofs : pstate:Vernacstate.LemmaStack.t option -> unit
diff --git a/serapi/serapi_goals.ml b/serapi/serapi_goals.ml
index 1eac1ff6..2c362b35 100644
--- a/serapi/serapi_goals.ml
+++ b/serapi/serapi_goals.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type 'a hyp = (Names.Id.t list * 'a option * 'a)
diff --git a/serapi/serapi_goals.mli b/serapi/serapi_goals.mli
index ed88dd81..d660a70f 100644
--- a/serapi/serapi_goals.mli
+++ b/serapi/serapi_goals.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 (* We ship our own type due to Context lack of support for anything
diff --git a/serapi/serapi_paths.ml b/serapi/serapi_paths.ml
index d9ee137e..d1f6e227 100644
--- a/serapi/serapi_paths.ml
+++ b/serapi/serapi_paths.ml
@@ -1,25 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(******************************************************************************)
-(* Coq Prelude Loading Defaults (to be improved)                              *)
-(******************************************************************************)
-
 let coq_loadpath_default ~implicit ~coq_path =
   let open Loadpath in
   let mk_path prefix = coq_path ^ "/" ^ prefix in
diff --git a/serapi/serapi_paths.mli b/serapi/serapi_paths.mli
index 0a304400..f3b2508c 100644
--- a/serapi/serapi_paths.mli
+++ b/serapi/serapi_paths.mli
@@ -1,22 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* Default load path for Coq's stdlib *)
 val coq_loadpath_default : implicit:bool -> coq_path:string -> string list * Loadpath.vo_path list
 
 (* Generate a module name given a file, to be removed in 8.10 *)
diff --git a/serapi/serapi_pp.ml b/serapi/serapi_pp.ml
index 1834db61..d9412edd 100644
--- a/serapi/serapi_pp.ml
+++ b/serapi/serapi_pp.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Format
diff --git a/serapi/serapi_pp.mli b/serapi/serapi_pp.mli
index d2c83108..295105b1 100644
--- a/serapi/serapi_pp.mli
+++ b/serapi/serapi_pp.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 (** This module includes all of sertop custom Format-based printers
diff --git a/serapi/serapi_protocol.ml b/serapi/serapi_protocol.ml
index c75671d0..fff48db1 100644
--- a/serapi/serapi_protocol.ml
+++ b/serapi/serapi_protocol.ml
@@ -1,33 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2019-2021 Inria           -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* Cost analysis: in the past we used to pay almost 3MiB of overload
- * in SerAPI.
- *
- * Now, thanks to smarter linking flags we are paying ~500k for the whole
- * of SerTOP when compared to jsCoq, it is IMHO great.
- *
- * Unfortunately, Core_kernel would cost us ~1.8MiB more, it is too
- * much for now until we figure out a better linking strategy. We manually
- * embed a few utility functions in the `Extra` module below.
- *)
-
 open Ltac_plugin
 open! Sexplib.Conv
 
@@ -43,30 +31,10 @@ module Extra = struct
   let value     x ~default    = Option.default default x
   let value_map x ~default ~f = Option.cata f default x
 
-  (******************************************************************************)
-  (* Taken from Core_kernel, (c) Jane Street, released under Apache License 2.0 *)
-  let is_prefix_gen =
-    let rec loop s ~prefix ~char_equal i =
-      i < 0
-      || ((char_equal prefix.[i] s.[i])
-          && loop s ~prefix ~char_equal (i - 1))
-    in
-    fun s ~prefix ~char_equal ->
-      let prefix_len = String.length prefix in
-      String.length s >= prefix_len && loop s ~prefix ~char_equal (prefix_len - 1)
-
-  let is_prefix s ~prefix = is_prefix_gen s ~prefix ~char_equal:(fun x y -> x = y)
-
-  let split_while xs ~f =
-    let rec loop acc = function
-      | hd :: tl when f hd -> loop (hd :: acc) tl
-      | t -> (List.rev acc, t)
-    in
-    loop [] xs
-
-  (* End of Core_kernel code, (c) Jane Street *)
-  (******************************************************************************)
+  let is_prefix = Base.String.is_prefix
+  let split_while = Base.List.split_while
 
+  (* Custom tokenizer *)
   let rec stream_tok n_tok acc lstr =
     let e = Gramlib.LStream.next (Pcoq.get_keyword_state()) lstr in
     let loc = Gramlib.LStream.get_loc n_tok lstr in
diff --git a/serapi/serapi_protocol.mli b/serapi/serapi_protocol.mli
index 036e93d4..e3484366 100644
--- a/serapi/serapi_protocol.mli
+++ b/serapi/serapi_protocol.mli
@@ -1,24 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2019-2021 Inria           -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
-(************************************************************************)
-
-(************************************************************************)
-(* Public API for Ocaml clients                                         *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ltac_plugin
diff --git a/serlib/ide/ser_richpp.ml b/serlib/ide/ser_richpp.ml
index 0d5f62e9..df057313 100644
--- a/serlib/ide/ser_richpp.ml
+++ b/serlib/ide/ser_richpp.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ide/ser_richpp.mli b/serlib/ide/ser_richpp.mli
index f3f6ffd6..16bfdaca 100644
--- a/serlib/ide/ser_richpp.mli
+++ b/serlib/ide/ser_richpp.mli
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/plugins/btauto/dune b/serlib/plugins/btauto/dune
new file mode 100644
index 00000000..32b6cc6c
--- /dev/null
+++ b/serlib/plugins/btauto/dune
@@ -0,0 +1,6 @@
+(library
+ (name serlib_btauto)
+ (public_name coq-serapi.serlib.btauto)
+ (synopsis "Serialization Library for Coq BTauto Plugin")
+ (preprocess (staged_pps ppx_import ppx_sexp_conv ppx_deriving_yojson ppx_hash ppx_compare))
+ (libraries coq-core.plugins.btauto serlib sexplib))
diff --git a/serlib/plugins/extraction/dune b/serlib/plugins/extraction/dune
index 112a5b96..ddff288a 100644
--- a/serlib/plugins/extraction/dune
+++ b/serlib/plugins/extraction/dune
@@ -2,5 +2,5 @@
  (name serlib_extraction)
  (public_name coq-serapi.serlib.extraction)
  (synopsis "Serialization Library for Coq Fundind Plugin")
- (preprocess (staged_pps ppx_import ppx_sexp_conv))
+ (preprocess (staged_pps ppx_import ppx_sexp_conv ppx_deriving_yojson ppx_hash ppx_compare))
  (libraries coq-core.plugins.extraction serlib))
diff --git a/serlib/plugins/extraction/ser_g_extraction.ml b/serlib/plugins/extraction/ser_g_extraction.ml
index 4fb1019e..85dc5caa 100644
--- a/serlib/plugins/extraction/ser_g_extraction.ml
+++ b/serlib/plugins/extraction/ser_g_extraction.ml
@@ -1,4 +1,60 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
+open Serlib
+
+open Sexplib.Conv
+open Ppx_compare_lib.Builtin
+open Ppx_hash_lib.Std.Hash.Builtin
+
+module Names = Ser_names
+
+module Extraction_plugin = struct
+  module G_extraction = Extraction_plugin.G_extraction
+  module Table = struct
+    type int_or_id =
+      [%import: Extraction_plugin.Table.int_or_id]
+      [@@deriving sexp,yojson,hash,compare]
+    type lang =
+      [%import: Extraction_plugin.Table.lang]
+      [@@deriving sexp,yojson,hash,compare]
+  end
+end
+
+module WitII = struct
+  type t = Extraction_plugin.Table.int_or_id
+    [@@deriving sexp,yojson,hash,compare]
+end
+
+let ser_wit_int_or_id = let module M = Ser_genarg.GS0(WitII) in M.genser
+
+module WitL = struct
+  type raw = Extraction_plugin.Table.lang
+    [@@deriving sexp,yojson,hash,compare]
+  type glb = unit
+    [@@deriving sexp,yojson,hash,compare]
+  type top = unit
+    [@@deriving sexp,yojson,hash,compare]
+end
+
+let ser_wit_language = let module M = Ser_genarg.GS(WitL) in M.genser
+
+module WitMN = struct
+  type t = string
+    [@@deriving sexp,yojson,hash,compare]
+end
+
+let ser_wit_mlname = let module M = Ser_genarg.GS0(WitMN) in M.genser
+
 let register () =
+  Ser_genarg.register_genser Extraction_plugin.G_extraction.wit_int_or_id ser_wit_int_or_id;
+  Ser_genarg.register_genser Extraction_plugin.G_extraction.wit_language ser_wit_language;
+  Ser_genarg.register_genser Extraction_plugin.G_extraction.wit_mlname ser_wit_mlname;
   ()
 
 let _ = register ()
diff --git a/serlib/plugins/firstorder/ser_g_ground.ml b/serlib/plugins/firstorder/ser_g_ground.ml
index 4d011ec4..06d54743 100644
--- a/serlib/plugins/firstorder/ser_g_ground.ml
+++ b/serlib/plugins/firstorder/ser_g_ground.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 
 open Sexplib.Conv
diff --git a/serlib/plugins/funind/ser_g_indfun.ml b/serlib/plugins/funind/ser_g_indfun.ml
index 07ef89bf..05b6044a 100644
--- a/serlib/plugins/funind/ser_g_indfun.ml
+++ b/serlib/plugins/funind/ser_g_indfun.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 
 open Ppx_compare_lib.Builtin
diff --git a/serlib/plugins/ltac/ser_profile_ltac.ml b/serlib/plugins/ltac/ser_profile_ltac.ml
index cb325573..2abec9e7 100644
--- a/serlib/plugins/ltac/ser_profile_ltac.ml
+++ b/serlib/plugins/ltac/ser_profile_ltac.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ltac/ser_profile_ltac.mli b/serlib/plugins/ltac/ser_profile_ltac.mli
index 2dc8b7eb..07f38241 100644
--- a/serlib/plugins/ltac/ser_profile_ltac.mli
+++ b/serlib/plugins/ltac/ser_profile_ltac.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/plugins/ltac/ser_rewrite.ml b/serlib/plugins/ltac/ser_rewrite.ml
index 5bb79e62..f66338f2 100644
--- a/serlib/plugins/ltac/ser_rewrite.ml
+++ b/serlib/plugins/ltac/ser_rewrite.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/plugins/ltac/ser_rewrite.mli b/serlib/plugins/ltac/ser_rewrite.mli
index a30069de..f9442ecb 100644
--- a/serlib/plugins/ltac/ser_rewrite.mli
+++ b/serlib/plugins/ltac/ser_rewrite.mli
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type unary_strategy = Rewrite.unary_strategy
diff --git a/serlib/plugins/ltac/ser_tacarg.ml b/serlib/plugins/ltac/ser_tacarg.ml
index c7bad3f6..3189045d 100644
--- a/serlib/plugins/ltac/ser_tacarg.ml
+++ b/serlib/plugins/ltac/ser_tacarg.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ltac/ser_tacarg.mli b/serlib/plugins/ltac/ser_tacarg.mli
index c2b5b402..d2160473 100644
--- a/serlib/plugins/ltac/ser_tacarg.mli
+++ b/serlib/plugins/ltac/ser_tacarg.mli
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ltac_plugin
diff --git a/serlib/plugins/ltac/ser_tacentries.ml b/serlib/plugins/ltac/ser_tacentries.ml
index 5f9ccad2..b7849c84 100644
--- a/serlib/plugins/ltac/ser_tacentries.ml
+++ b/serlib/plugins/ltac/ser_tacentries.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ltac/ser_tacentries.mli b/serlib/plugins/ltac/ser_tacentries.mli
index 0cc8cf9d..f4281fec 100644
--- a/serlib/plugins/ltac/ser_tacentries.mli
+++ b/serlib/plugins/ltac/ser_tacentries.mli
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ltac_plugin
diff --git a/serlib/plugins/ltac/ser_tacenv.ml b/serlib/plugins/ltac/ser_tacenv.ml
index 94ba91f0..24037525 100644
--- a/serlib/plugins/ltac/ser_tacenv.ml
+++ b/serlib/plugins/ltac/ser_tacenv.ml
@@ -9,10 +9,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ltac/ser_tacenv.mli b/serlib/plugins/ltac/ser_tacenv.mli
index 7cca6039..e4caef16 100644
--- a/serlib/plugins/ltac/ser_tacenv.mli
+++ b/serlib/plugins/ltac/ser_tacenv.mli
@@ -9,10 +9,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/plugins/ltac/ser_tacexpr.ml b/serlib/plugins/ltac/ser_tacexpr.ml
index b56755ef..3560b603 100644
--- a/serlib/plugins/ltac/ser_tacexpr.ml
+++ b/serlib/plugins/ltac/ser_tacexpr.ml
@@ -9,10 +9,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/plugins/ltac/ser_tacexpr.mli b/serlib/plugins/ltac/ser_tacexpr.mli
index e340d268..2d37a768 100644
--- a/serlib/plugins/ltac/ser_tacexpr.mli
+++ b/serlib/plugins/ltac/ser_tacexpr.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
+(* <O___,, *       (see CREDITS file for the list of authors)           *)
 (*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/plugins/ltac2/ser_g_ltac2.ml b/serlib/plugins/ltac2/ser_g_ltac2.ml
index d7f7928a..9d854f4f 100644
--- a/serlib/plugins/ltac2/ser_g_ltac2.ml
+++ b/serlib/plugins/ltac2/ser_g_ltac2.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 open Ltac2_plugin
 
diff --git a/serlib/plugins/ltac2/ser_tac2env.ml b/serlib/plugins/ltac2/ser_tac2env.ml
index b8147be2..c5d5dd0c 100644
--- a/serlib/plugins/ltac2/ser_tac2env.ml
+++ b/serlib/plugins/ltac2/ser_tac2env.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 open Ltac2_plugin
 
diff --git a/serlib/plugins/ltac2/ser_tac2expr.ml b/serlib/plugins/ltac2/ser_tac2expr.ml
index eaccc422..b087580d 100644
--- a/serlib/plugins/ltac2/ser_tac2expr.ml
+++ b/serlib/plugins/ltac2/ser_tac2expr.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 
 module Loc = Ser_loc
diff --git a/serlib/plugins/ltac2/ser_tac2quote.ml b/serlib/plugins/ltac2/ser_tac2quote.ml
index 62842892..39008770 100644
--- a/serlib/plugins/ltac2/ser_tac2quote.ml
+++ b/serlib/plugins/ltac2/ser_tac2quote.ml
@@ -1,5 +1,10 @@
-(* open Serlib *)
-(* open Ltac2_plugin *)
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
 
 (* open Sexplib.Std *)
 (* open Ppx_hash_lib.Std.Hash.Builtin *)
diff --git a/serlib/plugins/ring/ser_g_ring.ml b/serlib/plugins/ring/ser_g_ring.ml
index 851f23e4..684a9985 100644
--- a/serlib/plugins/ring/ser_g_ring.ml
+++ b/serlib/plugins/ring/ser_g_ring.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Sexplib.Conv
 open Ppx_hash_lib.Std.Hash.Builtin
 open Ppx_compare_lib.Builtin
diff --git a/serlib/plugins/ssr/ser_ssrast.ml b/serlib/plugins/ssr/ser_ssrast.ml
index 28522ec2..794c354b 100644
--- a/serlib/plugins/ssr/ser_ssrast.ml
+++ b/serlib/plugins/ssr/ser_ssrast.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ssr/ser_ssrequality.ml b/serlib/plugins/ssr/ser_ssrequality.ml
index 74b74976..b3c9e0fb 100644
--- a/serlib/plugins/ssr/ser_ssrequality.ml
+++ b/serlib/plugins/ssr/ser_ssrequality.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ssr/ser_ssrparser.ml b/serlib/plugins/ssr/ser_ssrparser.ml
index cdb2f743..4911c508 100644
--- a/serlib/plugins/ssr/ser_ssrparser.ml
+++ b/serlib/plugins/ssr/ser_ssrparser.ml
@@ -9,10 +9,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/ssr/wrap_ssrast.ml b/serlib/plugins/ssr/wrap_ssrast.ml
index 2a66637e..737a1a2d 100644
--- a/serlib/plugins/ssr/wrap_ssrast.ml
+++ b/serlib/plugins/ssr/wrap_ssrast.ml
@@ -8,7 +8,13 @@
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
-(* This file is (C) Copyright 2006-2015 Microsoft Corporation and Inria. *)
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
 
 open Ssreflect_plugin [@@ocaml.warning "-33"]
 
diff --git a/serlib/plugins/ssrmatching/ser_ssrmatching.ml b/serlib/plugins/ssrmatching/ser_ssrmatching.ml
index 8c384c0d..56900e93 100644
--- a/serlib/plugins/ssrmatching/ser_ssrmatching.ml
+++ b/serlib/plugins/ssrmatching/ser_ssrmatching.ml
@@ -7,10 +7,11 @@
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/plugins/syntax/ser_g_number_syntax.ml b/serlib/plugins/syntax/ser_g_number_syntax.ml
index af6a4c19..2d7727e3 100644
--- a/serlib/plugins/syntax/ser_g_number_syntax.ml
+++ b/serlib/plugins/syntax/ser_g_number_syntax.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Serlib
 
 open Sexplib.Conv
diff --git a/serlib/plugins/syntax/ser_number.ml b/serlib/plugins/syntax/ser_number.ml
index 8af8b058..edb6cbec 100644
--- a/serlib/plugins/syntax/ser_number.ml
+++ b/serlib/plugins/syntax/ser_number.ml
@@ -1,3 +1,11 @@
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Sexplib.Std
 open Ppx_hash_lib.Std.Hash.Builtin
 open Ppx_compare_lib.Builtin
diff --git a/serlib/serType.ml b/serlib/serType.ml
index 36861395..fb23ba57 100644
--- a/serlib/serType.ml
+++ b/serlib/serType.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2022 Inria                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module type SJHC = sig
diff --git a/serlib/serType.mli b/serlib/serType.mli
index 657a9e5a..5adb4980 100644
--- a/serlib/serType.mli
+++ b/serlib/serType.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2022 Inria                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module type SJHC = sig
diff --git a/serlib/ser_attributes.ml b/serlib/ser_attributes.ml
index 7f32624b..538f19de 100644
--- a/serlib/ser_attributes.ml
+++ b/serlib/ser_attributes.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2022 Inria                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_cAst.ml b/serlib/ser_cAst.ml
index 8773d7c1..b4e449ea 100644
--- a/serlib/ser_cAst.ml
+++ b/serlib/ser_cAst.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
@@ -46,3 +49,4 @@ let sexp_of_t f x =
 
 (* let to_yojson f x =
    if !omit_att then ... *)
+
diff --git a/serlib/ser_cAst.mli b/serlib/ser_cAst.mli
index b74e6579..60ea445a 100644
--- a/serlib/ser_cAst.mli
+++ b/serlib/ser_cAst.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type 'a t = 'a CAst.t = private {
diff --git a/serlib/ser_cEphemeron.ml b/serlib/ser_cEphemeron.ml
index 2952faf2..ba113268 100644
--- a/serlib/ser_cEphemeron.ml
+++ b/serlib/ser_cEphemeron.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module EBiject = struct
diff --git a/serlib/ser_cMap.ml b/serlib/ser_cMap.ml
index e12e1a24..e6ece6a3 100644
--- a/serlib/ser_cMap.ml
+++ b/serlib/ser_cMap.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_cMap.mli b/serlib/ser_cMap.mli
index f09d76c8..6fa89e8b 100644
--- a/serlib/ser_cMap.mli
+++ b/serlib/ser_cMap.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module type ExtS = sig
diff --git a/serlib/ser_cPrimitives.ml b/serlib/ser_cPrimitives.ml
index 186c0238..1dc87cea 100644
--- a/serlib/ser_cPrimitives.ml
+++ b/serlib/ser_cPrimitives.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_cSet.ml b/serlib/ser_cSet.ml
index d3f4de89..29d83883 100644
--- a/serlib/ser_cSet.ml
+++ b/serlib/ser_cSet.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_cSet.mli b/serlib/ser_cSet.mli
index 9f5a1cea..ce0e381a 100644
--- a/serlib/ser_cSet.mli
+++ b/serlib/ser_cSet.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module type ExtS = sig
diff --git a/serlib/ser_cUnix.ml b/serlib/ser_cUnix.ml
index 55c79147..1641693f 100644
--- a/serlib/ser_cUnix.ml
+++ b/serlib/ser_cUnix.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / Inria                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_class_tactics.ml b/serlib/ser_class_tactics.ml
index 09852bed..4f51333d 100644
--- a/serlib/ser_class_tactics.ml
+++ b/serlib/ser_class_tactics.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type search_strategy =
diff --git a/serlib/ser_class_tactics.mli b/serlib/ser_class_tactics.mli
index be893815..9abe4c8e 100644
--- a/serlib/ser_class_tactics.mli
+++ b/serlib/ser_class_tactics.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type search_strategy = Class_tactics.search_strategy [@@deriving sexp,hash,compare]
diff --git a/serlib/ser_constr.ml b/serlib/ser_constr.ml
index 65289d45..2f8a483d 100644
--- a/serlib/ser_constr.ml
+++ b/serlib/ser_constr.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 (* Example of serialization to a sexp:
diff --git a/serlib/ser_constr.mli b/serlib/ser_constr.mli
index 25b12dcc..4877f888 100644
--- a/serlib/ser_constr.mli
+++ b/serlib/ser_constr.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_constr_matching.ml b/serlib/ser_constr_matching.ml
index 971191db..b5b4771a 100644
--- a/serlib/ser_constr_matching.ml
+++ b/serlib/ser_constr_matching.ml
@@ -1,19 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-
 module Names = Ser_names
 
 type binding_bound_vars =
diff --git a/serlib/ser_constr_matching.mli b/serlib/ser_constr_matching.mli
index 649c46e9..5effeeb1 100644
--- a/serlib/ser_constr_matching.mli
+++ b/serlib/ser_constr_matching.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_constrexpr.ml b/serlib/ser_constrexpr.ml
index be70352d..7be1b26a 100644
--- a/serlib/ser_constrexpr.ml
+++ b/serlib/ser_constrexpr.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_constrexpr.mli b/serlib/ser_constrexpr.mli
index 809977c1..167539d6 100644
--- a/serlib/ser_constrexpr.mli
+++ b/serlib/ser_constrexpr.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_context.ml b/serlib/ser_context.ml
index b7410866..c5b9afec 100644
--- a/serlib/ser_context.ml
+++ b/serlib/ser_context.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_context.mli b/serlib/ser_context.mli
index b84274b3..131ff59d 100644
--- a/serlib/ser_context.mli
+++ b/serlib/ser_context.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_conv_oracle.ml b/serlib/ser_conv_oracle.ml
index bb048b66..113b1670 100644
--- a/serlib/ser_conv_oracle.ml
+++ b/serlib/ser_conv_oracle.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_conv_oracle.mli b/serlib/ser_conv_oracle.mli
index 4e4cce90..bcc4404a 100644
--- a/serlib/ser_conv_oracle.mli
+++ b/serlib/ser_conv_oracle.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type level = Conv_oracle.level [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_cooking.ml b/serlib/ser_cooking.ml
index e79e5858..cf314bf9 100644
--- a/serlib/ser_cooking.ml
+++ b/serlib/ser_cooking.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_cooking.mli b/serlib/ser_cooking.mli
index 7e4764a9..4c66135e 100644
--- a/serlib/ser_cooking.mli
+++ b/serlib/ser_cooking.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type cooking_info = Cooking.cooking_info [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_coqargs.ml b/serlib/ser_coqargs.ml
index d4a3e846..8d933eae 100644
--- a/serlib/ser_coqargs.ml
+++ b/serlib/ser_coqargs.ml
@@ -1,10 +1,19 @@
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2019-2021 Inria           -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_dAst.ml b/serlib/ser_dAst.ml
index 84428e08..33bb653b 100644
--- a/serlib/ser_dAst.ml
+++ b/serlib/ser_dAst.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* We force the thunks in serialization *)
-
 open Sexplib
 
 module CAst = Ser_cAst
diff --git a/serlib/ser_dAst.mli b/serlib/ser_dAst.mli
index 3a8780bf..20b7a1a3 100644
--- a/serlib/ser_dAst.mli
+++ b/serlib/ser_dAst.mli
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 type ('a, 'b) t = ('a,'b) DAst.t
   [@@deriving sexp,yojson,hash,compare]
 
diff --git a/serlib/ser_declarations.ml b/serlib/ser_declarations.ml
index 7fb58c3e..9d239087 100644
--- a/serlib/ser_declarations.ml
+++ b/serlib/ser_declarations.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_declarations.mli b/serlib/ser_declarations.mli
index 9d96c370..ba6a016a 100644
--- a/serlib/ser_declarations.mli
+++ b/serlib/ser_declarations.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_declaremods.ml b/serlib/ser_declaremods.ml
index 5c6fc14d..faab1f64 100644
--- a/serlib/ser_declaremods.ml
+++ b/serlib/ser_declaremods.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_declaremods.mli b/serlib/ser_declaremods.mli
index 20065b04..86cdd3e9 100644
--- a/serlib/ser_declaremods.mli
+++ b/serlib/ser_declaremods.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type 'a module_signature = 'a Declaremods.module_signature [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_decls.ml b/serlib/ser_decls.ml
index b2457766..a014d256 100644
--- a/serlib/ser_decls.ml
+++ b/serlib/ser_decls.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type definition_object_kind =
diff --git a/serlib/ser_deprecation.ml b/serlib/ser_deprecation.ml
index 97758965..19dc41c1 100644
--- a/serlib/ser_deprecation.ml
+++ b/serlib/ser_deprecation.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_eConstr.ml b/serlib/ser_eConstr.ml
index 9ba96aa7..1505334b 100644
--- a/serlib/ser_eConstr.ml
+++ b/serlib/ser_eConstr.ml
@@ -1,22 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib *)
-(* open Sexplib.Std *)
-
 module Constr  = Ser_constr
 module Environ = Ser_environ
 
diff --git a/serlib/ser_eConstr.mli b/serlib/ser_eConstr.mli
index c5ce63ef..af993f97 100644
--- a/serlib/ser_eConstr.mli
+++ b/serlib/ser_eConstr.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_entries.ml b/serlib/ser_entries.ml
index d6c22138..2a43b185 100644
--- a/serlib/ser_entries.ml
+++ b/serlib/ser_entries.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_environ.ml b/serlib/ser_environ.ml
index 3c1c61bb..8ed5be50 100644
--- a/serlib/ser_environ.ml
+++ b/serlib/ser_environ.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_environ.mli b/serlib/ser_environ.mli
index ace7c296..34e80973 100644
--- a/serlib/ser_environ.mli
+++ b/serlib/ser_environ.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_equality.ml b/serlib/ser_equality.ml
index a501efaa..d0780a00 100644
--- a/serlib/ser_equality.ml
+++ b/serlib/ser_equality.ml
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Sexplib.Std
 open Ppx_hash_lib.Std.Hash.Builtin
 open Ppx_compare_lib.Builtin
diff --git a/serlib/ser_evar.ml b/serlib/ser_evar.ml
index f6ebd567..9995096b 100644
--- a/serlib/ser_evar.ml
+++ b/serlib/ser_evar.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_evar.mli b/serlib/ser_evar.mli
index ccab6c70..131d0371 100644
--- a/serlib/ser_evar.mli
+++ b/serlib/ser_evar.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Self : SerType.SJHC with type t = Evar.t
diff --git a/serlib/ser_evar_kinds.ml b/serlib/ser_evar_kinds.ml
index 30a7c5d1..640e758b 100644
--- a/serlib/ser_evar_kinds.ml
+++ b/serlib/ser_evar_kinds.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_evar_kinds.mli b/serlib/ser_evar_kinds.mli
index a13c7b38..dcde09ea 100644
--- a/serlib/ser_evar_kinds.mli
+++ b/serlib/ser_evar_kinds.mli
@@ -1,21 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(************************************************************************)
-(* Evar_kinds.mli                                                       *)
-(************************************************************************)
 type matching_var_kind = Evar_kinds.matching_var_kind
   [@@deriving sexp,yojson,hash,compare]
 
diff --git a/serlib/ser_evd.ml b/serlib/ser_evd.ml
index 2362d12a..712d66a5 100644
--- a/serlib/ser_evd.ml
+++ b/serlib/ser_evd.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_evd.mli b/serlib/ser_evd.mli
index fc43a516..f982f2cc 100644
--- a/serlib/ser_evd.mli
+++ b/serlib/ser_evd.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_extend.ml b/serlib/ser_extend.ml
index c46926ca..365f7511 100644
--- a/serlib/ser_extend.ml
+++ b/serlib/ser_extend.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_extend.mli b/serlib/ser_extend.mli
index 788ed958..9b152135 100644
--- a/serlib/ser_extend.mli
+++ b/serlib/ser_extend.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_feedback.ml b/serlib/ser_feedback.ml
index a1df41ba..23fb4edc 100644
--- a/serlib/ser_feedback.ml
+++ b/serlib/ser_feedback.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_feedback.mli b/serlib/ser_feedback.mli
index 18169f60..19c79049 100644
--- a/serlib/ser_feedback.mli
+++ b/serlib/ser_feedback.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_flags.ml b/serlib/ser_flags.ml
index a12bd135..d4e39eae 100644
--- a/serlib/ser_flags.ml
+++ b/serlib/ser_flags.ml
@@ -1,14 +1,18 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
+
diff --git a/serlib/ser_flags.mli b/serlib/ser_flags.mli
index a12bd135..d4e39eae 100644
--- a/serlib/ser_flags.mli
+++ b/serlib/ser_flags.mli
@@ -1,14 +1,18 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
+
diff --git a/serlib/ser_float64.ml b/serlib/ser_float64.ml
index fbbac8c9..28edf365 100644
--- a/serlib/ser_float64.ml
+++ b/serlib/ser_float64.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_future.ml b/serlib/ser_future.ml
index 605e1aca..0aab74b6 100644
--- a/serlib/ser_future.ml
+++ b/serlib/ser_future.ml
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 type 'a computation = 'a Future.computation
 
 let computation_of_sexp f x = Future.from_val (f x)
diff --git a/serlib/ser_genarg.ml b/serlib/ser_genarg.ml
index 63dee857..9b2da9e5 100644
--- a/serlib/ser_genarg.ml
+++ b/serlib/ser_genarg.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_genarg.mli b/serlib/ser_genarg.mli
index 58bbf85a..083b82d4 100644
--- a/serlib/ser_genarg.mli
+++ b/serlib/ser_genarg.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_genintern.ml b/serlib/ser_genintern.ml
index 74301b63..eef19d39 100644
--- a/serlib/ser_genintern.ml
+++ b/serlib/ser_genintern.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_genintern.mli b/serlib/ser_genintern.mli
index 92c8c646..0e736859 100644
--- a/serlib/ser_genintern.mli
+++ b/serlib/ser_genintern.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_geninterp.ml b/serlib/ser_geninterp.ml
index 5ab14761..5075a82b 100644
--- a/serlib/ser_geninterp.ml
+++ b/serlib/ser_geninterp.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_geninterp.mli b/serlib/ser_geninterp.mli
index b8d916a0..076c29cf 100644
--- a/serlib/ser_geninterp.mli
+++ b/serlib/ser_geninterp.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Val : sig
diff --git a/serlib/ser_genredexpr.ml b/serlib/ser_genredexpr.ml
index 36585cbc..bf6388b7 100644
--- a/serlib/ser_genredexpr.ml
+++ b/serlib/ser_genredexpr.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_genredexpr.mli b/serlib/ser_genredexpr.mli
index d707be0b..f8bac536 100644
--- a/serlib/ser_genredexpr.mli
+++ b/serlib/ser_genredexpr.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_glob_term.ml b/serlib/ser_glob_term.ml
index fea8f79c..4d9acb57 100644
--- a/serlib/ser_glob_term.ml
+++ b/serlib/ser_glob_term.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_glob_term.mli b/serlib/ser_glob_term.mli
index de8f36f9..ef133c61 100644
--- a/serlib/ser_glob_term.mli
+++ b/serlib/ser_glob_term.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_globnames.ml b/serlib/ser_globnames.ml
index 598a9794..c0ee9569 100644
--- a/serlib/ser_globnames.ml
+++ b/serlib/ser_globnames.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Names = Ser_names
diff --git a/serlib/ser_goal_select.ml b/serlib/ser_goal_select.ml
index d42ecade..8335465d 100644
--- a/serlib/ser_goal_select.ml
+++ b/serlib/ser_goal_select.ml
@@ -1,24 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* type goal_selector = Vernacexpr.goal_selector
- * val goal_selector_of_sexp : Sexp.t -> goal_selector
- * val sexp_of_goal_selector : goal_selector -> Sexp.t *)
-
 open Ppx_hash_lib.Std.Hash.Builtin
 open Ppx_compare_lib.Builtin
 open Sexplib.Conv
diff --git a/serlib/ser_goptions.ml b/serlib/ser_goptions.ml
index 5d81b24e..822d3c78 100644
--- a/serlib/ser_goptions.ml
+++ b/serlib/ser_goptions.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_goptions.mli b/serlib/ser_goptions.mli
index 66ada1e3..f0dc993e 100644
--- a/serlib/ser_goptions.mli
+++ b/serlib/ser_goptions.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_gramlib.ml b/serlib/ser_gramlib.ml
index 2068fb23..0743815d 100644
--- a/serlib/ser_gramlib.ml
+++ b/serlib/ser_gramlib.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Gramext = struct
diff --git a/serlib/ser_hints.ml b/serlib/ser_hints.ml
index 96e2fff6..d92d7318 100644
--- a/serlib/ser_hints.ml
+++ b/serlib/ser_hints.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_hints.mli b/serlib/ser_hints.mli
index ce89395f..eca64bc7 100644
--- a/serlib/ser_hints.mli
+++ b/serlib/ser_hints.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type hint_db_name = Hints.hint_db_name
diff --git a/serlib/ser_impargs.ml b/serlib/ser_impargs.ml
index 5ce35eb4..78bfb7f6 100644
--- a/serlib/ser_impargs.ml
+++ b/serlib/ser_impargs.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_impargs.mli b/serlib/ser_impargs.mli
index 4e9b7fea..2077f46a 100644
--- a/serlib/ser_impargs.mli
+++ b/serlib/ser_impargs.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_int.ml b/serlib/ser_int.ml
index 6253eac8..08c866cd 100644
--- a/serlib/ser_int.ml
+++ b/serlib/ser_int.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_int.mli b/serlib/ser_int.mli
index d3b220fc..569defca 100644
--- a/serlib/ser_int.mli
+++ b/serlib/ser_int.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type t = Int.t
diff --git a/serlib/ser_inv.ml b/serlib/ser_inv.ml
index b2fd3da7..3c5771a2 100644
--- a/serlib/ser_inv.ml
+++ b/serlib/ser_inv.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type inversion_kind =
diff --git a/serlib/ser_inv.mli b/serlib/ser_inv.mli
index 20213831..3d7aedc7 100644
--- a/serlib/ser_inv.mli
+++ b/serlib/ser_inv.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type inversion_kind = Inv.inversion_kind
diff --git a/serlib/ser_lib.ml b/serlib/ser_lib.ml
index 6f187692..4037c5c2 100644
--- a/serlib/ser_lib.ml
+++ b/serlib/ser_lib.ml
@@ -1,15 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2022 Inria                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_libnames.ml b/serlib/ser_libnames.ml
index bfac3b74..f9831033 100644
--- a/serlib/ser_libnames.ml
+++ b/serlib/ser_libnames.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib.Std *)
-
 let cmake = CAst.make
 
 module Loc   = Ser_loc
diff --git a/serlib/ser_libnames.mli b/serlib/ser_libnames.mli
index df2e429a..616c7e6a 100644
--- a/serlib/ser_libnames.mli
+++ b/serlib/ser_libnames.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type qualid = Libnames.qualid [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_libobject.ml b/serlib/ser_libobject.ml
index 82319aae..54353c17 100644
--- a/serlib/ser_libobject.ml
+++ b/serlib/ser_libobject.ml
@@ -1,15 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2022 Inria                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_loadpath.ml b/serlib/ser_loadpath.ml
index 0a2b0ee0..0cdd3e62 100644
--- a/serlib/ser_loadpath.ml
+++ b/serlib/ser_loadpath.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_loc.ml b/serlib/ser_loc.ml
index e0e1abb9..86a1e424 100644
--- a/serlib/ser_loc.ml
+++ b/serlib/ser_loc.ml
@@ -1,22 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(**********************************************************************)
-(* Loc.mli                                                            *)
-(**********************************************************************)
-
 open Sexplib.Std
 open Ppx_hash_lib.Std.Hash.Builtin
 open Ppx_compare_lib.Builtin
diff --git a/serlib/ser_loc.mli b/serlib/ser_loc.mli
index 818dcd92..b80027c4 100644
--- a/serlib/ser_loc.mli
+++ b/serlib/ser_loc.mli
@@ -1,22 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(**********************************************************************)
-(* Loc.mli                                                            *)
-(**********************************************************************)
-
 type t = Loc.t
   [@@deriving sexp,yojson,hash,compare]
 
diff --git a/serlib/ser_locality.ml b/serlib/ser_locality.ml
index 8a20f4f5..d4e39eae 100644
--- a/serlib/ser_locality.ml
+++ b/serlib/ser_locality.ml
@@ -1,15 +1,18 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / Inria                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
diff --git a/serlib/ser_locus.ml b/serlib/ser_locus.ml
index 16721d18..87291c33 100644
--- a/serlib/ser_locus.ml
+++ b/serlib/ser_locus.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_locus.mli b/serlib/ser_locus.mli
index 989598f0..aea10d7e 100644
--- a/serlib/ser_locus.mli
+++ b/serlib/ser_locus.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_ltac_pretype.ml b/serlib/ser_ltac_pretype.ml
index c046ba25..6428150a 100644
--- a/serlib/ser_ltac_pretype.ml
+++ b/serlib/ser_ltac_pretype.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_ltac_pretype.mli b/serlib/ser_ltac_pretype.mli
index 40e325ee..cbe21cdc 100644
--- a/serlib/ser_ltac_pretype.mli
+++ b/serlib/ser_ltac_pretype.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_mod_subst.ml b/serlib/ser_mod_subst.ml
index d4d9fa8e..9dbb71ed 100644
--- a/serlib/ser_mod_subst.ml
+++ b/serlib/ser_mod_subst.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib.Std *)
-
 module Names = Ser_names
 
 module OD = struct
diff --git a/serlib/ser_mod_subst.mli b/serlib/ser_mod_subst.mli
index 3770dede..0292101b 100644
--- a/serlib/ser_mod_subst.mli
+++ b/serlib/ser_mod_subst.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type delta_resolver = Mod_subst.delta_resolver
diff --git a/serlib/ser_namegen.ml b/serlib/ser_namegen.ml
index e25cfeec..c21d37a0 100644
--- a/serlib/ser_namegen.ml
+++ b/serlib/ser_namegen.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib *)
-
 module Names      = Ser_names
 
 type intro_pattern_naming_expr =
diff --git a/serlib/ser_names.ml b/serlib/ser_names.ml
index 82d2e70a..8f932d5b 100644
--- a/serlib/ser_names.ml
+++ b/serlib/ser_names.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_names.mli b/serlib/ser_names.mli
index 5fc08930..41ccfd79 100644
--- a/serlib/ser_names.mli
+++ b/serlib/ser_names.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Names
diff --git a/serlib/ser_nametab.ml b/serlib/ser_nametab.ml
index 760aa306..12ab6da4 100644
--- a/serlib/ser_nametab.ml
+++ b/serlib/ser_nametab.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Names = Ser_names
diff --git a/serlib/ser_nametab.mli b/serlib/ser_nametab.mli
index 8b6aab62..da723f97 100644
--- a/serlib/ser_nametab.mli
+++ b/serlib/ser_nametab.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type object_prefix = Nametab.object_prefix [@@deriving sexp]
diff --git a/serlib/ser_nativevalues.ml b/serlib/ser_nativevalues.ml
index c3930a5c..4af3aad6 100644
--- a/serlib/ser_nativevalues.ml
+++ b/serlib/ser_nativevalues.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / INRIA                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_notation.ml b/serlib/ser_notation.ml
index 8bc7d276..c185f47a 100644
--- a/serlib/ser_notation.ml
+++ b/serlib/ser_notation.ml
@@ -1,21 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* module Ppextend = Ser_ppextend
- * module Notation_term = Ser_notation_term *)
-
 module NumTok = Ser_numTok
 module Constrexpr = Ser_constrexpr
 
diff --git a/serlib/ser_notation.mli b/serlib/ser_notation.mli
index 6bee862b..296c0744 100644
--- a/serlib/ser_notation.mli
+++ b/serlib/ser_notation.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type numnot_option = Notation.numnot_option [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_notation_gram.ml b/serlib/ser_notation_gram.ml
index 4fbe12da..2c4d2397 100644
--- a/serlib/ser_notation_gram.ml
+++ b/serlib/ser_notation_gram.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_notation_gram.mli b/serlib/ser_notation_gram.mli
index a08ad5ab..d87f2675 100644
--- a/serlib/ser_notation_gram.mli
+++ b/serlib/ser_notation_gram.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_notation_term.ml b/serlib/ser_notation_term.ml
index ff5eec80..88cf6af6 100644
--- a/serlib/ser_notation_term.ml
+++ b/serlib/ser_notation_term.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib.Std *)
-
 module Loc        = Ser_loc
 module Names      = Ser_names
 module Tok        = Ser_tok
diff --git a/serlib/ser_notation_term.mli b/serlib/ser_notation_term.mli
index 19098d71..044a3c58 100644
--- a/serlib/ser_notation_term.mli
+++ b/serlib/ser_notation_term.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type subscopes = Notation_term.subscopes
diff --git a/serlib/ser_notationextern.ml b/serlib/ser_notationextern.ml
index 60f00534..6a199621 100644
--- a/serlib/ser_notationextern.ml
+++ b/serlib/ser_notationextern.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / Inria                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std
diff --git a/serlib/ser_notationextern.mli b/serlib/ser_notationextern.mli
index f7c731a3..0decf01c 100644
--- a/serlib/ser_notationextern.mli
+++ b/serlib/ser_notationextern.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Constrexpr = Ser_constrexpr
diff --git a/serlib/ser_numTok.ml b/serlib/ser_numTok.ml
index 2f693079..b7a0ab05 100644
--- a/serlib/ser_numTok.ml
+++ b/serlib/ser_numTok.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_opaqueproof.ml b/serlib/ser_opaqueproof.ml
index e07e89de..92b188ac 100644
--- a/serlib/ser_opaqueproof.ml
+++ b/serlib/ser_opaqueproof.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_opaqueproof.mli b/serlib/ser_opaqueproof.mli
index aed56962..ec3eee88 100644
--- a/serlib/ser_opaqueproof.mli
+++ b/serlib/ser_opaqueproof.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type opaque = Opaqueproof.opaque
diff --git a/serlib/ser_pattern.ml b/serlib/ser_pattern.ml
index 86a0ac01..ff12f432 100644
--- a/serlib/ser_pattern.ml
+++ b/serlib/ser_pattern.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_pattern.mli b/serlib/ser_pattern.mli
index 126e7203..799709ab 100644
--- a/serlib/ser_pattern.mli
+++ b/serlib/ser_pattern.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_pp.ml b/serlib/ser_pp.ml
index 9078a176..2499cfbe 100644
--- a/serlib/ser_pp.ml
+++ b/serlib/ser_pp.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_pp.mli b/serlib/ser_pp.mli
index cf9073af..3b8696eb 100644
--- a/serlib/ser_pp.mli
+++ b/serlib/ser_pp.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_ppextend.ml b/serlib/ser_ppextend.ml
index b06e9664..d2d1c2eb 100644
--- a/serlib/ser_ppextend.ml
+++ b/serlib/ser_ppextend.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_ppextend.mli b/serlib/ser_ppextend.mli
index 8ddbc917..688bba28 100644
--- a/serlib/ser_ppextend.mli
+++ b/serlib/ser_ppextend.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_pretype_errors.ml b/serlib/ser_pretype_errors.ml
index 59a28b04..1f2dfbc3 100644
--- a/serlib/ser_pretype_errors.ml
+++ b/serlib/ser_pretype_errors.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 let ee = Environ.empty_env
diff --git a/serlib/ser_pretype_errors.mli b/serlib/ser_pretype_errors.mli
index 4bc8e93f..fb783695 100644
--- a/serlib/ser_pretype_errors.mli
+++ b/serlib/ser_pretype_errors.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_printer.ml b/serlib/ser_printer.ml
index 0c1ab9cc..c8164b50 100644
--- a/serlib/ser_printer.ml
+++ b/serlib/ser_printer.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Names = Ser_names
diff --git a/serlib/ser_proof.ml b/serlib/ser_proof.ml
deleted file mode 100644
index 15f19908..00000000
--- a/serlib/ser_proof.ml
+++ /dev/null
@@ -1,23 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-(************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
-(************************************************************************)
-(* Status: Very Experimental                                            *)
-(************************************************************************)
-
-(* open Sexplib.Conv *)
-
-(* module Evd = Ser_evd *)
-
-(* type data =
- *   [%import: Proof.data]
- *   [@@deriving sexp] *)
-
diff --git a/serlib/ser_proof.mli b/serlib/ser_proof.mli
deleted file mode 100644
index 1f2d1094..00000000
--- a/serlib/ser_proof.mli
+++ /dev/null
@@ -1,21 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-(************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
-(************************************************************************)
-(* Status: Very Experimental                                            *)
-(************************************************************************)
-
-(* open Sexplib *)
-
-(* type 'a data = 'a Proof.data
- * 
- * val data_of_sexp : (Sexp.t -> 'a) -> Sexp.t -> 'a data
- * val sexp_of_data : ('a -> Sexp.t) -> 'a data -> Sexp.t *)
diff --git a/serlib/ser_proof_bullet.ml b/serlib/ser_proof_bullet.ml
index 48afa5d2..09ac0803 100644
--- a/serlib/ser_proof_bullet.ml
+++ b/serlib/ser_proof_bullet.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_range.ml b/serlib/ser_range.ml
index 60ab0986..96a6a594 100644
--- a/serlib/ser_range.ml
+++ b/serlib/ser_range.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type 'a t = 'a Range.t
diff --git a/serlib/ser_reduction.ml b/serlib/ser_reduction.ml
index f0e07827..3325d8c9 100644
--- a/serlib/ser_reduction.ml
+++ b/serlib/ser_reduction.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type conv_pb =
diff --git a/serlib/ser_reduction.mli b/serlib/ser_reduction.mli
index bd7359e7..828ea31b 100644
--- a/serlib/ser_reduction.mli
+++ b/serlib/ser_reduction.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_retroknowledge.ml b/serlib/ser_retroknowledge.ml
index da7a3043..2716efd6 100644
--- a/serlib/ser_retroknowledge.ml
+++ b/serlib/ser_retroknowledge.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type retroknowledge =
diff --git a/serlib/ser_retroknowledge.mli b/serlib/ser_retroknowledge.mli
index d0f515cb..6510dc42 100644
--- a/serlib/ser_retroknowledge.mli
+++ b/serlib/ser_retroknowledge.mli
@@ -1,17 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
+
 open Sexplib
 
 type retroknowledge = Retroknowledge.retroknowledge
@@ -22,4 +26,4 @@ val retroknowledge_of_sexp : Sexp.t -> retroknowledge
 type action = Retroknowledge.action
 
 val sexp_of_action : action -> Sexp.t
-val action_of_sexp : Sexp.t -> action
\ No newline at end of file
+val action_of_sexp : Sexp.t -> action
diff --git a/serlib/ser_rtree.ml b/serlib/ser_rtree.ml
index a04ccea3..a5944fe9 100644
--- a/serlib/ser_rtree.ml
+++ b/serlib/ser_rtree.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_sList.ml b/serlib/ser_sList.ml
index bb13ca41..3b4c9524 100644
--- a/serlib/ser_sList.ml
+++ b/serlib/ser_sList.ml
@@ -1,14 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2022 Inria                                                 *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_safe_typing.ml b/serlib/ser_safe_typing.ml
index ff7f5a4e..275a5b39 100644
--- a/serlib/ser_safe_typing.ml
+++ b/serlib/ser_safe_typing.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_safe_typing.mli b/serlib/ser_safe_typing.mli
index 67d6cf59..1613aad1 100644
--- a/serlib/ser_safe_typing.mli
+++ b/serlib/ser_safe_typing.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_sorts.ml b/serlib/ser_sorts.ml
index 4a0a5f07..a40d6e30 100644
--- a/serlib/ser_sorts.ml
+++ b/serlib/ser_sorts.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 module Univ = Ser_univ
diff --git a/serlib/ser_sorts.mli b/serlib/ser_sorts.mli
index dbae2f9e..a00805dd 100644
--- a/serlib/ser_sorts.mli
+++ b/serlib/ser_sorts.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 include SerType.SJHC with type t = Sorts.t
diff --git a/serlib/ser_stateid.ml b/serlib/ser_stateid.ml
index 9cc43867..5f823d7d 100644
--- a/serlib/ser_stateid.ml
+++ b/serlib/ser_stateid.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_stateid.mli b/serlib/ser_stateid.mli
index efb3e5be..a1ebf637 100644
--- a/serlib/ser_stateid.mli
+++ b/serlib/ser_stateid.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type t = Stateid.t [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_stdarg.ml b/serlib/ser_stdarg.ml
index 37b5b579..837e8e48 100644
--- a/serlib/ser_stdarg.ml
+++ b/serlib/ser_stdarg.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_stdarg.mli b/serlib/ser_stdarg.mli
index e96f5f76..d4e39eae 100644
--- a/serlib/ser_stdarg.mli
+++ b/serlib/ser_stdarg.mli
@@ -1,17 +1,18 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib *)
-
diff --git a/serlib/ser_stdlib.ml b/serlib/ser_stdlib.ml
index 81f4db8f..1d84d8d8 100644
--- a/serlib/ser_stdlib.ml
+++ b/serlib/ser_stdlib.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_stm.ml b/serlib/ser_stm.ml
index ea9b2bf0..5f481359 100644
--- a/serlib/ser_stm.ml
+++ b/serlib/ser_stm.ml
@@ -1,20 +1,21 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* open Sexplib.Conv *)
-
 module Stateid = Ser_stateid
 module Names   = Ser_names
 
diff --git a/serlib/ser_stm.mli b/serlib/ser_stm.mli
index edd8e9d7..2c9808cc 100644
--- a/serlib/ser_stm.mli
+++ b/serlib/ser_stm.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_summary.ml b/serlib/ser_summary.ml
index 396f13e8..6569c93c 100644
--- a/serlib/ser_summary.ml
+++ b/serlib/ser_summary.ml
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 module Interp = struct
 
 type frozen = Summary.Interp.frozen
diff --git a/serlib/ser_tactics.ml b/serlib/ser_tactics.ml
index 3b9dd2d0..4f9bbcf6 100644
--- a/serlib/ser_tactics.ml
+++ b/serlib/ser_tactics.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_tactics.mli b/serlib/ser_tactics.mli
index ed0bb133..43223022 100644
--- a/serlib/ser_tactics.mli
+++ b/serlib/ser_tactics.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type clear_flag = Tactics.clear_flag
diff --git a/serlib/ser_tactypes.ml b/serlib/ser_tactypes.ml
index 32fcb611..923a9963 100644
--- a/serlib/ser_tactypes.ml
+++ b/serlib/ser_tactypes.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_tok.ml b/serlib/ser_tok.ml
index 9c859208..18c45a8b 100644
--- a/serlib/ser_tok.ml
+++ b/serlib/ser_tok.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_tok.mli b/serlib/ser_tok.mli
index b584293c..59443577 100644
--- a/serlib/ser_tok.mli
+++ b/serlib/ser_tok.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_type_errors.ml b/serlib/ser_type_errors.ml
index 1a337f0d..82180116 100644
--- a/serlib/ser_type_errors.ml
+++ b/serlib/ser_type_errors.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_type_errors.mli b/serlib/ser_type_errors.mli
index 197d8b30..ecb95e3a 100644
--- a/serlib/ser_type_errors.mli
+++ b/serlib/ser_type_errors.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_typeclasses.ml b/serlib/ser_typeclasses.ml
index ce60bf8b..c22cf055 100644
--- a/serlib/ser_typeclasses.ml
+++ b/serlib/ser_typeclasses.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_typeclasses.mli b/serlib/ser_typeclasses.mli
index 6cf6c379..accb9172 100644
--- a/serlib/ser_typeclasses.mli
+++ b/serlib/ser_typeclasses.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type 'a hint_info_gen = 'a Typeclasses.hint_info_gen [@@deriving sexp, yojson, hash,compare]
diff --git a/serlib/ser_uGraph.ml b/serlib/ser_uGraph.ml
index ab47d438..6e0ceae1 100644
--- a/serlib/ser_uGraph.ml
+++ b/serlib/ser_uGraph.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_uGraph.mli b/serlib/ser_uGraph.mli
index fbed1d82..8b45ba98 100644
--- a/serlib/ser_uGraph.mli
+++ b/serlib/ser_uGraph.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                                 *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_uState.ml b/serlib/ser_uState.ml
index 75f70398..5a3c14e9 100644
--- a/serlib/ser_uState.ml
+++ b/serlib/ser_uState.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_uint63.ml b/serlib/ser_uint63.ml
index 9dd0fec8..0a1a3f63 100644
--- a/serlib/ser_uint63.ml
+++ b/serlib/ser_uint63.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_univ.ml b/serlib/ser_univ.ml
index 31e32861..160f470d 100644
--- a/serlib/ser_univ.ml
+++ b/serlib/ser_univ.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_univ.mli b/serlib/ser_univ.mli
index fe929c19..eb2dfc0e 100644
--- a/serlib/ser_univ.mli
+++ b/serlib/ser_univ.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_univNames.ml b/serlib/ser_univNames.ml
index 2a16a8e4..21b0683f 100644
--- a/serlib/ser_univNames.ml
+++ b/serlib/ser_univNames.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_universes.ml b/serlib/ser_universes.ml
index 31b3063a..d4e39eae 100644
--- a/serlib/ser_universes.ml
+++ b/serlib/ser_universes.ml
@@ -1,17 +1,18 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
diff --git a/serlib/ser_util.ml b/serlib/ser_util.ml
index 39e6d796..11fcc00c 100644
--- a/serlib/ser_util.ml
+++ b/serlib/ser_util.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type ('a,'b) union =
diff --git a/serlib/ser_util.mli b/serlib/ser_util.mli
index 0fb85722..d2d93da9 100644
--- a/serlib/ser_util.mli
+++ b/serlib/ser_util.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type ('a, 'b) union = ('a, 'b) Util.union [@@deriving sexp,yojson,hash,compare]
diff --git a/serlib/ser_uvars.ml b/serlib/ser_uvars.ml
index 2c35f274..f5021375 100644
--- a/serlib/ser_uvars.ml
+++ b/serlib/ser_uvars.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_uvars.mli b/serlib/ser_uvars.mli
index 63b4651e..c17f2fbb 100644
--- a/serlib/ser_uvars.mli
+++ b/serlib/ser_uvars.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_vernacexpr.ml b/serlib/ser_vernacexpr.ml
index 825dd613..fe0a76e9 100644
--- a/serlib/ser_vernacexpr.ml
+++ b/serlib/ser_vernacexpr.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2020 MINES ParisTech / Inria                          *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Ppx_hash_lib.Std.Hash.Builtin
diff --git a/serlib/ser_vernacexpr.mli b/serlib/ser_vernacexpr.mli
index 0be9968d..5daef164 100644
--- a/serlib/ser_vernacexpr.mli
+++ b/serlib/ser_vernacexpr.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type infix_flag =
diff --git a/serlib/ser_vernacextend.ml b/serlib/ser_vernacextend.ml
index 6849a0d1..18228da5 100644
--- a/serlib/ser_vernacextend.ml
+++ b/serlib/ser_vernacextend.ml
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 open Sexplib.Conv
 
 module Names = Ser_names
diff --git a/serlib/ser_vmbytecodes.ml b/serlib/ser_vmbytecodes.ml
index a1d00bbb..a4c66f0d 100644
--- a/serlib/ser_vmbytecodes.ml
+++ b/serlib/ser_vmbytecodes.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Copyright 2019-2021 Inria                                            *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_vmemitcodes.ml b/serlib/ser_vmemitcodes.ml
index 7aa79b88..644ee3ca 100644
--- a/serlib/ser_vmemitcodes.ml
+++ b/serlib/ser_vmemitcodes.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written byo: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_vmemitcodes.mli b/serlib/ser_vmemitcodes.mli
index 220be42d..3eaffb6f 100644
--- a/serlib/ser_vmemitcodes.mli
+++ b/serlib/ser_vmemitcodes.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type body_code = Vmemitcodes.body_code
diff --git a/serlib/ser_vmvalues.ml b/serlib/ser_vmvalues.ml
index a1834da0..130d5549 100644
--- a/serlib/ser_vmvalues.ml
+++ b/serlib/ser_vmvalues.ml
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Conv
diff --git a/serlib/ser_vmvalues.mli b/serlib/ser_vmvalues.mli
index dbe5e43c..3cd48d4a 100644
--- a/serlib/ser_vmvalues.mli
+++ b/serlib/ser_vmvalues.mli
@@ -1,17 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2017 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/ser_xml_datatype.ml b/serlib/ser_xml_datatype.ml
index e071c9a1..7edc7f44 100644
--- a/serlib/ser_xml_datatype.ml
+++ b/serlib/ser_xml_datatype.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib.Std
diff --git a/serlib/ser_xml_datatype.mli b/serlib/ser_xml_datatype.mli
index b6094b83..b444124a 100644
--- a/serlib/ser_xml_datatype.mli
+++ b/serlib/ser_xml_datatype.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016 MINES ParisTech                                       *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/serlib_base.ml b/serlib/serlib_base.ml
index 2ee526d9..df11d059 100644
--- a/serlib/serlib_base.ml
+++ b/serlib/serlib_base.ml
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 exception Ser_error of string
diff --git a/serlib/serlib_base.mli b/serlib/serlib_base.mli
index c4c63838..66f728da 100644
--- a/serlib/serlib_base.mli
+++ b/serlib/serlib_base.mli
@@ -1,16 +1,19 @@
 (************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/serlib/serlib_init.ml b/serlib/serlib_init.ml
index bd67e949..d80ff40a 100644
--- a/serlib/serlib_init.ml
+++ b/serlib/serlib_init.ml
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 type options =
   { omit_loc : bool
   ; omit_att : bool
diff --git a/serlib/serlib_init.mli b/serlib/serlib_init.mli
index d0fc89b4..fe5c0cbd 100644
--- a/serlib/serlib_init.mli
+++ b/serlib/serlib_init.mli
@@ -1,3 +1,21 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
 type options =
   { omit_loc : bool
   ; omit_att : bool
diff --git a/sertop/comp_common.ml b/sertop/comp_common.ml
index a450d3c7..0fc709be 100644
--- a/sertop/comp_common.ml
+++ b/sertop/comp_common.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq's serialization API                                              *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2019-2022 Inria -- Dual License LGPL 2.1 / GPL3+           *)
-(* Written by: Emilio J. Gallego Arias, Karl Palmskog                   *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 let fatal_exn exn info =
diff --git a/sertop/comp_common.mli b/sertop/comp_common.mli
index 5a227d14..ce3650c6 100644
--- a/sertop/comp_common.mli
+++ b/sertop/comp_common.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq's serialization API                                              *)
-(* Copyright 2016-2019 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Copyright 2019-2022 Inria -- Dual License LGPL 2.1 / GPL3+           *)
-(* Written by: Emilio J. Gallego Arias, Karl Palmskog                   *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 val fatal_exn : exn -> Exninfo.info -> 'a
diff --git a/sertop/js_sexp_printer.ml b/sertop/js_sexp_printer.ml
new file mode 100644
index 00000000..f4fbfed6
--- /dev/null
+++ b/sertop/js_sexp_printer.ml
@@ -0,0 +1,121 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
+open Format
+open Sexplib
+open Sexp
+
+let must_escape str =
+  let len = String.length str in
+  len = 0 ||
+    let rec loop ix =
+      match str.[ix] with
+      | '"' | '(' | ')' | '[' | ']' | ';' | '\\' | '\''-> true
+      (* Avoid unquoted comma at the beggining of the string *)
+      | ',' -> ix = 0 || loop (ix - 1)
+      | '|' -> ix > 0 && let next = ix - 1 in str.[next] = '#' || loop next
+      | '#' -> ix > 0 && let next = ix - 1 in str.[next] = '|' || loop next
+      | '\000' .. '\032' -> true
+      | '\248' .. '\255' -> true
+      | _ -> ix > 0 && loop (ix - 1)
+    in
+    loop (len - 1)
+
+(* XXX: Be faithful to UTF-8 *)
+let st_escaped (s : string) =
+  let sget = String.unsafe_get in
+  let open Bytes in
+  let n = ref 0 in
+  for i = 0 to String.length s - 1 do
+    n := !n +
+      (match sget s i with
+       | '\"' | '\\' | '\n' | '\t' | '\r' | '\b' -> 2
+       | ' ' .. '~' -> 1
+       (* UTF-8 are valid between \033 -- \247 *)
+       | '\000' .. '\032' -> 4
+       | '\248' .. '\255' -> 4
+       | _                -> 1)
+  done;
+  if !n = String.length s then Bytes.of_string s else begin
+    let s' = create !n in
+    n := 0;
+    for i = 0 to String.length s - 1 do
+      begin match sget s i with
+      | ('\"' | '\\') as c ->
+          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n c
+      | '\n' ->
+          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'n'
+      | '\t' ->
+          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 't'
+      | '\r' ->
+          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'r'
+      | '\b' ->
+          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'b'
+      | (' ' .. '~') as c -> unsafe_set s' !n c
+      (* Valid UTF-8 are valid between \033 -- \247 *)
+      | '\000' .. '\032'
+      | '\248' .. '\255' as c ->
+          let a = Char.code c in
+          unsafe_set s' !n '\\';
+          incr n;
+          unsafe_set s' !n (Char.chr (48 + a / 100));
+          incr n;
+          unsafe_set s' !n (Char.chr (48 + (a / 10) mod 10));
+          incr n;
+          unsafe_set s' !n (Char.chr (48 + a mod 10));
+      | c -> unsafe_set s' !n c
+      end;
+      incr n
+    done;
+    s'
+  end
+
+let esc_str (str : string) =
+  let open Bytes in
+  let estr = st_escaped str in
+  let elen = length estr in
+  let res  = create (elen + 2) in
+  blit estr 0 res 1 elen;
+  set res 0 '"';
+  set res (elen + 1) '"';
+  to_string res
+
+let sertop_maybe_esc_str str =
+  if must_escape str then esc_str str else str
+
+let rec pp_sertop_internal may_need_space ppf = function
+  | Atom str ->
+      let str' = sertop_maybe_esc_str str in
+      let new_may_need_space = str' == str in
+      if may_need_space && new_may_need_space then pp_print_string ppf " ";
+      pp_print_string ppf str';
+      new_may_need_space
+  | List (h :: t) ->
+      pp_print_string ppf "(";
+      let may_need_space = pp_sertop_internal false ppf h in
+      pp_sertop_rest may_need_space ppf t;
+      false
+  | List [] -> pp_print_string ppf "()"; false
+
+and pp_sertop_rest may_need_space ppf = function
+  | h :: t ->
+      let may_need_space = pp_sertop_internal may_need_space ppf h in
+      pp_sertop_rest may_need_space ppf t
+  | [] -> pp_print_string ppf ")"
+
+let pp_sertop ppf sexp = ignore (pp_sertop_internal false ppf sexp)
diff --git a/sertop/js_sexp_printer.mli b/sertop/js_sexp_printer.mli
new file mode 100644
index 00000000..8e8cc0f6
--- /dev/null
+++ b/sertop/js_sexp_printer.mli
@@ -0,0 +1,19 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(************************************************************************)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
+(************************************************************************)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
+(************************************************************************)
+
+val pp_sertop : Format.formatter -> Sexplib.Sexp.t -> unit
diff --git a/sertop/sercomp.ml b/sertop/sercomp.ml
index 9397b9e6..befb8ac9 100644
--- a/sertop/sercomp.ml
+++ b/sertop/sercomp.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 exception End_of_input
diff --git a/sertop/sercomp_stats.ml b/sertop/sercomp_stats.ml
index e70cddcb..3d03c0a1 100644
--- a/sertop/sercomp_stats.ml
+++ b/sertop/sercomp_stats.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type stats =
diff --git a/sertop/sercomp_stats.mli b/sertop/sercomp_stats.mli
index 13fdb518..feebd33a 100644
--- a/sertop/sercomp_stats.mli
+++ b/sertop/sercomp_stats.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 val do_stats    : Vernacexpr.vernac_control -> unit
diff --git a/sertop/sername.ml b/sertop/sername.ml
index 6b50b661..ee9c32f2 100644
--- a/sertop/sername.ml
+++ b/sertop/sername.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Written by: Karl Palmskog                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 exception End_of_input
diff --git a/sertop/sertok.ml b/sertop/sertok.ml
index 98f02a4e..da5818d3 100644
--- a/sertop/sertok.ml
+++ b/sertop/sertok.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Written by: Karl Palmskog                                            *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 let load_file f =
diff --git a/sertop/sertop_arg.ml b/sertop/sertop_arg.ml
index 17ac09c0..671ba6fe 100644
--- a/sertop/sertop_arg.ml
+++ b/sertop/sertop_arg.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Cmdliner
diff --git a/sertop/sertop_arg.mli b/sertop/sertop_arg.mli
index 302c9fcc..d4725fad 100644
--- a/sertop/sertop_arg.mli
+++ b/sertop/sertop_arg.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Cmdliner
diff --git a/sertop/sertop_bin.ml b/sertop/sertop_bin.ml
index 9334a6fa..eb65cbc7 100644
--- a/sertop/sertop_bin.ml
+++ b/sertop/sertop_bin.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Cmdliner
diff --git a/sertop/sertop_init.ml b/sertop/sertop_init.ml
index 9db47fe3..eb491ef5 100644
--- a/sertop/sertop_init.ml
+++ b/sertop/sertop_init.ml
@@ -1,21 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(* Init options for coq *)
 type async_flags =
   { enable_async  : string option
   ; deep_edits    : bool
diff --git a/sertop/sertop_init.mli b/sertop/sertop_init.mli
index 29570cfe..2bb26f20 100644
--- a/sertop/sertop_init.mli
+++ b/sertop/sertop_init.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type async_flags =
diff --git a/sertop/sertop_loader.ml b/sertop/sertop_loader.ml
index a947aa61..8e605c98 100644
--- a/sertop/sertop_loader.ml
+++ b/sertop/sertop_loader.ml
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 let debug = false
diff --git a/sertop/sertop_loader.mli b/sertop/sertop_loader.mli
index 29f9f0d7..7a3dfc0e 100644
--- a/sertop/sertop_loader.mli
+++ b/sertop/sertop_loader.mli
@@ -1,18 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2019 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 (** [plugin_handler user_loader] Plugin loader that will also load
diff --git a/sertop/sertop_ser.ml b/sertop/sertop_ser.ml
index 8d3ce762..3c0ad28c 100644
--- a/sertop/sertop_ser.ml
+++ b/sertop/sertop_ser.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
@@ -26,7 +26,7 @@ type ser_printer =
   | SP_Human                    (* sexplib human printer *)
 
 let select_printer pr = match pr with
-  | SP_Sertop -> Sertop_util.pp_sertop
+  | SP_Sertop -> Js_sexp_printer.pp_sertop
   | SP_Mach   -> Sexp.pp
   | SP_Human  -> Sexp.pp_hum
 
@@ -93,7 +93,6 @@ module Impargs    = Ser_impargs
 module Constr     = Ser_constr
 module EConstr    = Ser_eConstr
 module Constrexpr = Ser_constrexpr
-module Proof      = Ser_proof
 module Tok        = Ser_tok
 module Ppextend   = Ser_ppextend
 module Notation_gram = Ser_notation_gram
diff --git a/sertop/sertop_ser.mli b/sertop/sertop_ser.mli
index c86e2948..d06be1bd 100644
--- a/sertop/sertop_ser.mli
+++ b/sertop/sertop_ser.mli
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/sertop/sertop_sexp.ml b/sertop/sertop_sexp.ml
index e79d1084..02cfa7f0 100644
--- a/sertop/sertop_sexp.ml
+++ b/sertop/sertop_sexp.ml
@@ -1,19 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 open Sexplib
diff --git a/sertop/sertop_sexp.mli b/sertop/sertop_sexp.mli
index 9f939141..11c3901f 100644
--- a/sertop/sertop_sexp.mli
+++ b/sertop/sertop_sexp.mli
@@ -1,23 +1,19 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech -- Dual License LGPL 2.1 / GPL3+ *)
-(* Written by: Emilio J. Gallego Arias                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
-(************************************************************************)
-
-(************************************************************************)
-(* Global Protocol Options                                              *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
 type ser_opts =
diff --git a/sertop/sertop_util.ml b/sertop/sertop_util.ml
index 8e7adabe..8da81014 100644
--- a/sertop/sertop_util.ml
+++ b/sertop/sertop_util.ml
@@ -1,133 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-(************************************************************************)
-(* Based on Sexplib, (c) Jane Street, released under Apache License 2.0 *)
-(* Custom sexp printer                                                  *)
-(*                                                                      *)
-(* Current sexplib escaping is not the most convenient for some clients *)
-(* so we provide a different, experimental one                          *)
-(************************************************************************)
-
-open Format
-open Sexplib
-open Sexp
-
-let must_escape str =
-  let len = String.length str in
-  len = 0 ||
-    let rec loop ix =
-      match str.[ix] with
-      | '"' | '(' | ')' | '[' | ']' | ';' | '\\' | '\''-> true
-      (* Avoid unquoted comma at the beggining of the string *)
-      | ',' -> ix = 0 || loop (ix - 1)
-      | '|' -> ix > 0 && let next = ix - 1 in str.[next] = '#' || loop next
-      | '#' -> ix > 0 && let next = ix - 1 in str.[next] = '|' || loop next
-      | '\000' .. '\032' -> true
-      | '\248' .. '\255' -> true
-      | _ -> ix > 0 && loop (ix - 1)
-    in
-    loop (len - 1)
-
-(* XXX: Be faithful to UTF-8 *)
-let st_escaped (s : string) =
-  let sget = String.unsafe_get in
-  let open Bytes in
-  let n = ref 0 in
-  for i = 0 to String.length s - 1 do
-    n := !n +
-      (match sget s i with
-       | '\"' | '\\' | '\n' | '\t' | '\r' | '\b' -> 2
-       | ' ' .. '~' -> 1
-       (* UTF-8 are valid between \033 -- \247 *)
-       | '\000' .. '\032' -> 4
-       | '\248' .. '\255' -> 4
-       | _                -> 1)
-  done;
-  if !n = String.length s then Bytes.of_string s else begin
-    let s' = create !n in
-    n := 0;
-    for i = 0 to String.length s - 1 do
-      begin match sget s i with
-      | ('\"' | '\\') as c ->
-          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n c
-      | '\n' ->
-          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'n'
-      | '\t' ->
-          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 't'
-      | '\r' ->
-          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'r'
-      | '\b' ->
-          unsafe_set s' !n '\\'; incr n; unsafe_set s' !n 'b'
-      | (' ' .. '~') as c -> unsafe_set s' !n c
-      (* Valid UTF-8 are valid between \033 -- \247 *)
-      | '\000' .. '\032'
-      | '\248' .. '\255' as c ->
-          let a = Char.code c in
-          unsafe_set s' !n '\\';
-          incr n;
-          unsafe_set s' !n (Char.chr (48 + a / 100));
-          incr n;
-          unsafe_set s' !n (Char.chr (48 + (a / 10) mod 10));
-          incr n;
-          unsafe_set s' !n (Char.chr (48 + a mod 10));
-      | c -> unsafe_set s' !n c
-      end;
-      incr n
-    done;
-    s'
-  end
-
-let esc_str (str : string) =
-  let open Bytes in
-  let estr = st_escaped str in
-  let elen = length estr in
-  let res  = create (elen + 2) in
-  blit estr 0 res 1 elen;
-  set res 0 '"';
-  set res (elen + 1) '"';
-  to_string res
-
-let sertop_maybe_esc_str str =
-  if must_escape str then esc_str str else str
-
-let rec pp_sertop_internal may_need_space ppf = function
-  | Atom str ->
-      let str' = sertop_maybe_esc_str str in
-      let new_may_need_space = str' == str in
-      if may_need_space && new_may_need_space then pp_print_string ppf " ";
-      pp_print_string ppf str';
-      new_may_need_space
-  | List (h :: t) ->
-      pp_print_string ppf "(";
-      let may_need_space = pp_sertop_internal false ppf h in
-      pp_sertop_rest may_need_space ppf t;
-      false
-  | List [] -> pp_print_string ppf "()"; false
-
-and pp_sertop_rest may_need_space ppf = function
-  | h :: t ->
-      let may_need_space = pp_sertop_internal may_need_space ppf h in
-      pp_sertop_rest may_need_space ppf t
-  | [] -> pp_print_string ppf ")"
-
-let pp_sertop ppf sexp = ignore (pp_sertop_internal false ppf sexp)
-
-(* XXX: This is terrible and doesn't work yet *)
 let rec coq_pp_opt (d : Pp.t) = let open Pp in
   let rec flatten_glue l = match l with
     | []  -> []
diff --git a/sertop/sertop_util.mli b/sertop/sertop_util.mli
index d0509add..8ee77c7e 100644
--- a/sertop/sertop_util.mli
+++ b/sertop/sertop_util.mli
@@ -1,24 +1,21 @@
 (************************************************************************)
 (*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
+(*  v      *         Copyright INRIA, CNRS and contributors             *)
+(* <O___,, * (see version control and CREDITS file for authors & dates) *)
+(*   VV/  **************************************************************)
 (*    //   *    This file is distributed under the terms of the         *)
 (*         *     GNU Lesser General Public License Version 2.1          *)
 (*         *     (see LICENSE file for the text of the license)         *)
 (************************************************************************)
 
 (************************************************************************)
-(* Coq serialization API/Plugin                                         *)
-(* Copyright 2016-2018 MINES ParisTech                                  *)
+(* SerAPI: Coq interaction protocol with bidirectional serialization    *)
 (************************************************************************)
-(* Status: Very Experimental                                            *)
+(* Copyright 2016-2019 MINES ParisTech -- License LGPL 2.1+             *)
+(* Copyright 2019-2023 Inria           -- License LGPL 2.1+             *)
+(* Written by: Emilio J. Gallego Arias and others                       *)
 (************************************************************************)
 
-open Sexplib
-
-val pp_sertop : Format.formatter -> Sexp.t -> unit
-
 val coq_pp_opt : Pp.t -> Pp.t
 
 val feedback_pos_filter : string -> Feedback.feedback -> Feedback.feedback
diff --git a/tests/genarg/dune b/tests/genarg/dune
index 0ed6b41d..11ec5940 100644
--- a/tests/genarg/dune
+++ b/tests/genarg/dune
@@ -10,7 +10,7 @@
    (run chmod +w test_roundtrip)
    ; We insert the digest of the binaries to force a rebuild of the
    ; test cases if the binary has been modified.
-   (bash "echo \"# $(md5sum ../../sertop/sercomp.exe)\" >> test_roundtrip"))))
+   (bash "for i in ../../sertop/sercomp.exe ../../serlib/plugins/*/*.cmxs; do echo \"# $(md5sum $i)\"; done >> test_roundtrip"))))
 
 (rule
  (alias runtest)
@@ -57,6 +57,11 @@
  (deps (:input exists.v))
  (action (run ./test_roundtrip %{input})))
 
+(rule
+ (alias runtest)
+ (deps (:input extraction.v))
+ (action (run ./test_roundtrip %{input})))
+
 (rule
  (alias runtest)
  (deps (:input firstorder.v))
diff --git a/tests/genarg/extraction.v b/tests/genarg/extraction.v
new file mode 100644
index 00000000..ec92c845
--- /dev/null
+++ b/tests/genarg/extraction.v
@@ -0,0 +1,8 @@
+Require Coq.extraction.Extraction.
+
+Extraction Language Haskell.
+
+Extraction Implicit pred [1].
+
+Axiom Y : Set -> Set -> Set.
+Extract Constant Y "'a" "'b" => " 'a * 'b ".