Merge from origin/emacs-29

cae528457c ; Add 2023 to copyright years.
b394359261 Improve documentation of 'isearch-open-overlay-temporary'
ab3210e709 Document 'use-package' in the 2 main manuals

# Conflicts:
#	etc/refcards/ru-refcard.tex
#	lib/explicit_bzero.c
#	m4/explicit_bzero.m4

259 files changed, 260 insertions, 260 deletions

diff --git a/src/.gdbinit b/src/.gdbinit
index 9ec536a96d1..c96c2b597bd 100644
--- a/src/.gdbinit
+++ b/src/.gdbinit
@@ -1,4 +1,4 @@
-# Copyright (C) 1992-1998, 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 1992-1998, 2000-2023 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/.lldbinit b/src/.lldbinit
index 5fdac34b786..f5fcdd7b597 100644
--- a/src/.lldbinit
+++ b/src/.lldbinit
@@ -1,5 +1,5 @@
 # -*- mode: shell-script -*-
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/ChangeLog.1 b/src/ChangeLog.1
index 7076a1e13f4..37d6d6bd897 100644
--- a/src/ChangeLog.1
+++ b/src/ChangeLog.1
@@ -3521,7 +3521,7 @@
         * minibuf.c: Don't allow entry to minibuffer
         while minibuffer is selected.
 
-    Copyright (C) 1985-1986, 2001-2022 Free Software Foundation, Inc.
+    Copyright (C) 1985-1986, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.10 b/src/ChangeLog.10
index 1b18ae5ec5d..949e4507f4c 100644
--- a/src/ChangeLog.10
+++ b/src/ChangeLog.10
@@ -27912,7 +27912,7 @@ See ChangeLog.9 for earlier changes.
 ;; add-log-time-zone-rule: t
 ;; End:
 
-    Copyright (C) 2001-2022 Free Software Foundation, Inc.
+    Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.11 b/src/ChangeLog.11
index 8517e5cc3c9..b2b776d491f 100644
--- a/src/ChangeLog.11
+++ b/src/ChangeLog.11
@@ -31385,7 +31385,7 @@ See ChangeLog.10 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2007-2022 Free Software Foundation, Inc.
+  Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.12 b/src/ChangeLog.12
index f455c4de382..74df9809261 100644
--- a/src/ChangeLog.12
+++ b/src/ChangeLog.12
@@ -22936,7 +22936,7 @@ See ChangeLog.11 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2011-2022 Free Software Foundation, Inc.
+  Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.13 b/src/ChangeLog.13
index 0c4e2909ced..d9736479a04 100644
--- a/src/ChangeLog.13
+++ b/src/ChangeLog.13
@@ -17905,7 +17905,7 @@ See ChangeLog.12 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2011-2022 Free Software Foundation, Inc.
+  Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.2 b/src/ChangeLog.2
index 16425185320..d518c759642 100644
--- a/src/ChangeLog.2
+++ b/src/ChangeLog.2
@@ -4771,7 +4771,7 @@
 
 See ChangeLog.1 for earlier changes.
 
-    Copyright (C) 1986-1988, 2001-2022 Free Software Foundation, Inc.
+    Copyright (C) 1986-1988, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.3 b/src/ChangeLog.3
index d32e894fa53..31fb11b06d7 100644
--- a/src/ChangeLog.3
+++ b/src/ChangeLog.3
@@ -16503,7 +16503,7 @@ See ChangeLog.2 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.4 b/src/ChangeLog.4
index e55967673d5..0c47d979ecc 100644
--- a/src/ChangeLog.4
+++ b/src/ChangeLog.4
@@ -6906,7 +6906,7 @@ See ChangeLog.3 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1993-1994, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.5 b/src/ChangeLog.5
index 408a934ce2e..3ea0acafff0 100644
--- a/src/ChangeLog.5
+++ b/src/ChangeLog.5
@@ -7148,7 +7148,7 @@ See ChangeLog.4 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1994-1995, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1994-1995, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.6 b/src/ChangeLog.6
index f5653efd91e..f9ea372c55d 100644
--- a/src/ChangeLog.6
+++ b/src/ChangeLog.6
@@ -5358,7 +5358,7 @@ See ChangeLog.5 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1995-1996, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1995-1996, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.7 b/src/ChangeLog.7
index 9c6fd810d34..dfa41bec8f7 100644
--- a/src/ChangeLog.7
+++ b/src/ChangeLog.7
@@ -11091,7 +11091,7 @@ See ChangeLog.6 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1997-1998, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1997-1998, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.8 b/src/ChangeLog.8
index c0e3523c648..1f479a89ed8 100644
--- a/src/ChangeLog.8
+++ b/src/ChangeLog.8
@@ -13979,7 +13979,7 @@
 
 See ChangeLog.7 for earlier changes.
 
-  Copyright (C) 1999, 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 1999, 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.9 b/src/ChangeLog.9
index b6d3f93445b..d005b51604b 100644
--- a/src/ChangeLog.9
+++ b/src/ChangeLog.9
@@ -13294,7 +13294,7 @@ See ChangeLog.8 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2001-2022 Free Software Foundation, Inc.
+  Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/Makefile.in b/src/Makefile.in
index da11e130b2a..c29c3750e59 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2022 Free Software
+# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of GNU Emacs.
diff --git a/src/README b/src/README
index 54d83df57bb..7d4427b8610 100644
--- a/src/README
+++ b/src/README
@@ -1,4 +1,4 @@
-Copyright (C) 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 2001-2023 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
diff --git a/src/alloc.c b/src/alloc.c
index e7edc0595b3..a05e4aa5811 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1,6 +1,6 @@
 /* Storage allocation and gc for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/atimer.c b/src/atimer.c
index 18301120ffe..d07cdb82b7a 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/atimer.h b/src/atimer.h
index 7d6d853ffd0..551c186d24e 100644
--- a/src/atimer.h
+++ b/src/atimer.h
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bidi.c b/src/bidi.c
index c4d04136e9e..e01251263be 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -1,6 +1,6 @@
 /* Low-level bidirectional buffer/string-scanning functions for GNU Emacs.
 
-Copyright (C) 2000-2001, 2004-2005, 2009-2022 Free Software Foundation,
+Copyright (C) 2000-2001, 2004-2005, 2009-2023 Free Software Foundation,
 Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
diff --git a/src/bignum.c b/src/bignum.c
index e4e4d45d686..e64653b2873 100644
--- a/src/bignum.c
+++ b/src/bignum.c
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2022 Free Software Foundation, Inc.
+Copyright 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bignum.h b/src/bignum.h
index de9ee17c027..b9957a642d1 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2022 Free Software Foundation, Inc.
+Copyright 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/blockinput.h b/src/blockinput.h
index a98fc69eb90..5fd63c2575c 100644
--- a/src/blockinput.h
+++ b/src/blockinput.h
@@ -1,5 +1,5 @@
 /* blockinput.h - interface to blocking complicated interrupt-driven input.
-   Copyright (C) 1989, 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/buffer.c b/src/buffer.c
index 38c3150f2c5..100e42fc1f9 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1,6 +1,6 @@
 /* Buffer manipulation primitives for GNU Emacs.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/buffer.h b/src/buffer.h
index 7c3d1903140..eb32d602ad6 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -1,6 +1,6 @@
 /* Header file for the buffer manipulation primitives.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bytecode.c b/src/bytecode.c
index c765e1be2bc..124348e5b35 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -1,5 +1,5 @@
 /* Execution of byte code produced by bytecomp.el.
-   Copyright (C) 1985-1988, 1993, 2000-2022 Free Software Foundation,
+   Copyright (C) 1985-1988, 1993, 2000-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callint.c b/src/callint.c
index 8ef0e5240a5..c60a376b958 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -1,5 +1,5 @@
 /* Call a Lisp function interactively.
-   Copyright (C) 1985-1986, 1993-1995, 1997, 2000-2022 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997, 2000-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callproc.c b/src/callproc.c
index f9f840e5440..7208ceb5d2f 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1,6 +1,6 @@
 /* Synchronous subprocess invocation for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-1995, 1999-2022 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1999-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casefiddle.c b/src/casefiddle.c
index e8ae2e276fc..1a959b1c07b 100644
--- a/src/casefiddle.c
+++ b/src/casefiddle.c
@@ -1,7 +1,7 @@
 /* -*- coding: utf-8 -*- */
 /* GNU Emacs case conversion functions.
 
-Copyright (C) 1985, 1994, 1997-1999, 2001-2022 Free Software Foundation,
+Copyright (C) 1985, 1994, 1997-1999, 2001-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casetab.c b/src/casetab.c
index 6ea27318bc2..f844022395a 100644
--- a/src/casetab.c
+++ b/src/casetab.c
@@ -1,5 +1,5 @@
 /* GNU Emacs routines to deal with case tables.
-   Copyright (C) 1993-1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
 Author: Howard Gayle
 
diff --git a/src/category.c b/src/category.c
index bedde0de45e..dac5c78b5af 100644
--- a/src/category.c
+++ b/src/category.c
@@ -1,6 +1,6 @@
 /* GNU Emacs routines to deal with category tables.
 
-Copyright (C) 1998, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1998, 2001-2023 Free Software Foundation, Inc.
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/ccl.c b/src/ccl.c
index 1a4f73500a3..c92684f4bc7 100644
--- a/src/ccl.c
+++ b/src/ccl.c
@@ -1,5 +1,5 @@
 /* CCL (Code Conversion Language) interpreter.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/character.c b/src/character.c
index 5df49adade9..d0b18367a83 100644
--- a/src/character.c
+++ b/src/character.c
@@ -1,6 +1,6 @@
 /* Basic character support.
 
-Copyright (C) 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 2001-2023 Free Software Foundation, Inc.
 Copyright (C) 1995, 1997, 1998, 2001 Electrotechnical Laboratory, JAPAN.
   Licensed to the Free Software Foundation.
 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
diff --git a/src/charset.c b/src/charset.c
index bb59262fe98..7987ffa0c5e 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1,6 +1,6 @@
 /* Basic character set support.
 
-Copyright (C) 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
diff --git a/src/charset.h b/src/charset.h
index 4f4a14f1bda..6d115fa3596 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -1,5 +1,5 @@
 /* Header for charset handler.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/cm.c b/src/cm.c
index a175b4a338e..4711085d796 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -1,5 +1,5 @@
 /* Cursor motion subroutines for GNU Emacs.
-   Copyright (C) 1985, 1995, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1995, 2001-2023 Free Software Foundation, Inc.
     based primarily on public domain code written by Chris Torek
 
 This file is part of GNU Emacs.
diff --git a/src/cm.h b/src/cm.h
index f8034997c6f..70d2c7078fc 100644
--- a/src/cm.h
+++ b/src/cm.h
@@ -1,5 +1,5 @@
 /* Cursor motion calculation definitions for GNU Emacs
-   Copyright (C) 1985, 1989, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1989, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cmds.c b/src/cmds.c
index 626c9198aab..15caa4a6972 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -1,6 +1,6 @@
 /* Simple built-in editing commands.
 
-Copyright (C) 1985, 1993-1998, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1998, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/coding.c b/src/coding.c
index ab73bda8440..4e59f2b6a1b 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1,5 +1,5 @@
 /* Coding system handler (conversion, detection, etc).
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/coding.h b/src/coding.h
index d86c17d18b0..b8d4f5f27e1 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -1,5 +1,5 @@
 /* Header for coding system handler.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/commands.h b/src/commands.h
index 6cc3e78de06..ac7cdb60db3 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -1,5 +1,5 @@
 /* Definitions needed by most editing commands.
-   Copyright (C) 1985, 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/comp.c b/src/comp.c
index b6072a866e6..bd7ecfffc23 100644
--- a/src/comp.c
+++ b/src/comp.c
@@ -1,5 +1,5 @@
 /* Compile Emacs Lisp into native code.
-   Copyright (C) 2019-2022 Free Software Foundation, Inc.
+   Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 Author: Andrea Corallo <akrl@sdf.org>
 
diff --git a/src/comp.h b/src/comp.h
index da53f32971e..f86f3c5ed85 100644
--- a/src/comp.h
+++ b/src/comp.h
@@ -1,6 +1,6 @@
 /* Elisp native compiler definitions
 
-Copyright (C) 2019-2022 Free Software Foundation, Inc.
+Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/composite.c b/src/composite.c
index 6b256171ac7..164eeb39598 100644
--- a/src/composite.c
+++ b/src/composite.c
@@ -1,5 +1,5 @@
 /* Composite sequence support.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H14PRO021
diff --git a/src/composite.h b/src/composite.h
index 8a6fd203d09..e81465d90cc 100644
--- a/src/composite.h
+++ b/src/composite.h
@@ -1,5 +1,5 @@
 /* Header for composite sequence handler.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H14PRO021
diff --git a/src/conf_post.h b/src/conf_post.h
index fb8d2e5d96e..0d5f90a6910 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -1,6 +1,6 @@
 /* conf_post.h --- configure.ac includes this via AH_BOTTOM
 
-Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2022 Free Software
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/cygw32.c b/src/cygw32.c
index 759d9af94de..35cac23504e 100644
--- a/src/cygw32.c
+++ b/src/cygw32.c
@@ -1,5 +1,5 @@
 /* Cygwin support routines.
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cygw32.h b/src/cygw32.h
index fe1f6da11a0..6f8706e3436 100644
--- a/src/cygw32.h
+++ b/src/cygw32.h
@@ -1,5 +1,5 @@
 /* Header for Cygwin support routines.
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/data.c b/src/data.c
index 7ad06a9faa5..04ac2b09ac3 100644
--- a/src/data.c
+++ b/src/data.c
@@ -1,5 +1,5 @@
 /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
-   Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2022 Free Software
+   Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dbusbind.c b/src/dbusbind.c
index 440142757ec..d96b735c79a 100644
--- a/src/dbusbind.c
+++ b/src/dbusbind.c
@@ -1,5 +1,5 @@
 /* Elisp bindings for D-Bus.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/decompress.c b/src/decompress.c
index dbdc9104a37..6ef17db07d6 100644
--- a/src/decompress.c
+++ b/src/decompress.c
@@ -1,5 +1,5 @@
 /* Interface to zlib.
-   Copyright (C) 2013-2022 Free Software Foundation, Inc.
+   Copyright (C) 2013-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/deps.mk b/src/deps.mk
index 39edd5c1dd3..a7c8ae11f72 100644
--- a/src/deps.mk
+++ b/src/deps.mk
@@ -1,6 +1,6 @@
 ### deps.mk --- src/Makefile fragment for GNU Emacs
 
-## Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2022 Free Software
+## Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2023 Free Software
 ## Foundation, Inc.
 
 ## This file is part of GNU Emacs.
diff --git a/src/dired.c b/src/dired.c
index ef729df5d2b..3f55c4c3830 100644
--- a/src/dired.c
+++ b/src/dired.c
@@ -1,5 +1,5 @@
 /* Lisp functions for making directory listings.
-   Copyright (C) 1985-1986, 1993-1994, 1999-2022 Free Software
+   Copyright (C) 1985-1986, 1993-1994, 1999-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dispextern.h b/src/dispextern.h
index e6c4270bebd..4dcab113ea2 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -1,6 +1,6 @@
 /* Interface definitions for display code.
 
-Copyright (C) 1985, 1993-1994, 1997-2022 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1994, 1997-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dispnew.c b/src/dispnew.c
index b845acdcbc4..8fde522f77d 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -1,6 +1,6 @@
 /* Updating of data structures for redisplay.
 
-Copyright (C) 1985-1988, 1993-1995, 1997-2022 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/disptab.h b/src/disptab.h
index 49764727f82..0069176fd24 100644
--- a/src/disptab.h
+++ b/src/disptab.h
@@ -1,5 +1,5 @@
 /* Things for GLYPHS and glyph tables.
-   Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dmpstruct.awk b/src/dmpstruct.awk
index b40d2979d5f..344a22f977a 100644
--- a/src/dmpstruct.awk
+++ b/src/dmpstruct.awk
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2022 Free Software Foundation, Inc.
+# Copyright (C) 2018-2023 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/doc.c b/src/doc.c
index 67a5f845b93..df57f84603e 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -1,6 +1,6 @@
 /* Record indices of function doc strings stored in a file. -*- coding: utf-8 -*-
 
-Copyright (C) 1985-1986, 1993-1995, 1997-2022 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1995, 1997-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/doprnt.c b/src/doprnt.c
index 19f58d08448..3ebb957e9f2 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -1,7 +1,7 @@
 /* Output like sprintf to a buffer of specified size.    -*- coding: utf-8 -*-
    Also takes args differently: pass one pointer to the end
    of the format string in addition to the format string itself.
-   Copyright (C) 1985, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dosfns.c b/src/dosfns.c
index e9792cbb82b..ad885311c80 100644
--- a/src/dosfns.c
+++ b/src/dosfns.c
@@ -1,6 +1,6 @@
 /* MS-DOS specific Lisp utilities.  Coded by Manabu Higashida, 1991.
    Major changes May-July 1993 Morten Welinder (only 10% original code left)
-   Copyright (C) 1991, 1993, 1996-1998, 2001-2022 Free Software
+   Copyright (C) 1991, 1993, 1996-1998, 2001-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dosfns.h b/src/dosfns.h
index 1115a9c726b..fbfd734023a 100644
--- a/src/dosfns.h
+++ b/src/dosfns.h
@@ -2,7 +2,7 @@
    Coded by Manabu Higashida, 1991.
    Modified by Morten Welinder, 1993-1994.
 
-Copyright (C) 1991, 1994-1995, 1997, 1999, 2001-2022 Free Software
+Copyright (C) 1991, 1994-1995, 1997, 1999, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dynlib.c b/src/dynlib.c
index e2c71f14489..abbb0c45917 100644
--- a/src/dynlib.c
+++ b/src/dynlib.c
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2022 Free Software Foundation, Inc.
+Copyright 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dynlib.h b/src/dynlib.h
index 9a11c128981..9527b758af9 100644
--- a/src/dynlib.h
+++ b/src/dynlib.h
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2022 Free Software Foundation, Inc.
+Copyright 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/editfns.c b/src/editfns.c
index 8d56ef21d90..78d2c73ecbf 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1,6 +1,6 @@
 /* Lisp functions pertaining to editing.                 -*- coding: utf-8 -*-
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs-icon.h b/src/emacs-icon.h
index 1c7bb7f8844..84ae557be2b 100644
--- a/src/emacs-icon.h
+++ b/src/emacs-icon.h
@@ -1,7 +1,7 @@
 /* XPM */
 /* Emacs icon
 
-Copyright (C) 2008-2022 Free Software Foundation, Inc.
+Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
 Author: Kentaro Ohkouchi <nanasess@fsm.ne.jp>
         Nicolas Petton <nicolas@petton.fr>
diff --git a/src/emacs-module.c b/src/emacs-module.c
index 35d6e9e0d7a..d158e243139 100644
--- a/src/emacs-module.c
+++ b/src/emacs-module.c
@@ -1,6 +1,6 @@
 /* emacs-module.c - Module loading and runtime implementation
 
-Copyright (C) 2015-2022 Free Software Foundation, Inc.
+Copyright (C) 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs-module.h.in b/src/emacs-module.h.in
index c51d482d8a2..a455c41a5f1 100644
--- a/src/emacs-module.h.in
+++ b/src/emacs-module.h.in
@@ -1,6 +1,6 @@
 /* emacs-module.h - GNU Emacs module API.
 
-Copyright (C) 2015-2022 Free Software Foundation, Inc.
+Copyright (C) 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs.c b/src/emacs.c
index a2ba4b50f04..214e2e2a296 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -1,6 +1,6 @@
 /* Fully extensible Emacs, running on Unix, intended for GNU.
 
-Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2022 Free Software
+Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/emacsgtkfixed.c b/src/emacsgtkfixed.c
index f2c9fa7b7db..2b6ebee65fd 100644
--- a/src/emacsgtkfixed.c
+++ b/src/emacsgtkfixed.c
@@ -1,7 +1,7 @@
 /* A Gtk Widget that inherits GtkFixed, but can be shrunk.
 This file is only use when compiling with Gtk+ 3.
 
-Copyright (C) 2011-2022 Free Software Foundation, Inc.
+Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacsgtkfixed.h b/src/emacsgtkfixed.h
index af5e22e6f4d..952dfed5e1e 100644
--- a/src/emacsgtkfixed.h
+++ b/src/emacsgtkfixed.h
@@ -1,7 +1,7 @@
 /* A Gtk Widget that inherits GtkFixed, but can be shrunk.
 This file is only use when compiling with Gtk+ 3.
 
-Copyright (C) 2011-2022 Free Software Foundation, Inc.
+Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/epaths.in b/src/epaths.in
index 2eccd0ac603..b290f0243bc 100644
--- a/src/epaths.in
+++ b/src/epaths.in
@@ -1,6 +1,6 @@
 /* Hey Emacs, this is -*- C -*- code!  */
 /*
-Copyright (C) 1993, 1995, 1997, 1999, 2001-2022 Free Software
+Copyright (C) 1993, 1995, 1997, 1999, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/eval.c b/src/eval.c
index cff4b924778..d42f7ffe894 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1,6 +1,6 @@
 /* Evaluator for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1985-1987, 1993-1995, 1999-2022 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1999-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/fileio.c b/src/fileio.c
index 66ce6b30887..7fb7f5ddc5e 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1,6 +1,6 @@
 /* File IO for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1985-1988, 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/filelock.c b/src/filelock.c
index a657cc4582c..be9f8f488d9 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -1,6 +1,6 @@
 /* Lock files for editing.
 
-Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2022 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2023 Free Software
 Foundation, Inc.
 
 Author: Richard King
diff --git a/src/firstfile.c b/src/firstfile.c
index 719c29db8bc..0b4881dbbe3 100644
--- a/src/firstfile.c
+++ b/src/firstfile.c
@@ -1,5 +1,5 @@
 /* Mark beginning of data space to dump as pure, for GNU Emacs.
-   Copyright (C) 1997, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/floatfns.c b/src/floatfns.c
index 293184c70f1..1d891ef3ce1 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -1,6 +1,6 @@
 /* Primitive operations on floating point for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1988, 1993-1994, 1999, 2001-2022 Free Software Foundation,
+Copyright (C) 1988, 1993-1994, 1999, 2001-2023 Free Software Foundation,
 Inc.
 
 Author: Wolfgang Rupprecht (according to ack.texi)
diff --git a/src/fns.c b/src/fns.c
index eeb65cadf3f..0dc31aec373 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -1,6 +1,6 @@
 /* Random utility Lisp functions.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/font.c b/src/font.c
index 6e720bc2856..de8748dd857 100644
--- a/src/font.c
+++ b/src/font.c
@@ -1,6 +1,6 @@
 /* font.c -- "Font" primitives.
 
-Copyright (C) 2006-2022 Free Software Foundation, Inc.
+Copyright (C) 2006-2023 Free Software Foundation, Inc.
 Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
   Registration Number H13PRO009
diff --git a/src/font.h b/src/font.h
index d36c45a53c4..492c2e58b09 100644
--- a/src/font.h
+++ b/src/font.h
@@ -1,5 +1,5 @@
 /* font.h -- Interface definition for font handling.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/fontset.c b/src/fontset.c
index b82737d005a..f196dee8259 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -1,6 +1,6 @@
 /* Fontset handler.
 
-Copyright (C) 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 2001-2023 Free Software Foundation, Inc.
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/fontset.h b/src/fontset.h
index 79210eab869..de19138947d 100644
--- a/src/fontset.h
+++ b/src/fontset.h
@@ -1,5 +1,5 @@
 /* Header for fontset handler.
-   Copyright (C) 1998, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2001-2023 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/frame.c b/src/frame.c
index 7d902dabd4f..983424b0bee 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1,6 +1,6 @@
 /* Generic frame functions.
 
-Copyright (C) 1993-1995, 1997, 1999-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-1995, 1997, 1999-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/frame.h b/src/frame.h
index f29cc249ea8..b95b94c7685 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1,5 +1,5 @@
 /* Define frame-object for GNU Emacs.
-   Copyright (C) 1993-1994, 1999-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 1999-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/fringe.c b/src/fringe.c
index 5d7c8dca998..5fcb1b27272 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -1,5 +1,5 @@
 /* Fringe handling (split from xdisp.c).
-   Copyright (C) 1985-1988, 1993-1995, 1997-2022 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1997-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/ftcrfont.c b/src/ftcrfont.c
index ede8f1323cd..c9a4de8137b 100644
--- a/src/ftcrfont.c
+++ b/src/ftcrfont.c
@@ -1,5 +1,5 @@
 /* ftcrfont.c -- FreeType font driver on cairo.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ftfont.c b/src/ftfont.c
index 301a145b7ac..d3c836c0f2d 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -1,5 +1,5 @@
 /* ftfont.c -- FreeType font driver.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/getpagesize.h b/src/getpagesize.h
index 446c1e374a0..692c9066fb1 100644
--- a/src/getpagesize.h
+++ b/src/getpagesize.h
@@ -1,5 +1,5 @@
 /* Emulate getpagesize on systems that lack it.
-   Copyright (C) 1986, 1992, 1995, 2001-2022 Free Software Foundation,
+   Copyright (C) 1986, 1992, 1995, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/gfilenotify.c b/src/gfilenotify.c
index 70c503af542..de09ffe5fd3 100644
--- a/src/gfilenotify.c
+++ b/src/gfilenotify.c
@@ -1,5 +1,5 @@
 /* Filesystem notifications support with glib API.
-   Copyright (C) 2013-2022 Free Software Foundation, Inc.
+   Copyright (C) 2013-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gmalloc.c b/src/gmalloc.c
index f063af60cf1..e655d69f660 100644
--- a/src/gmalloc.c
+++ b/src/gmalloc.c
@@ -1,5 +1,5 @@
 /* Declarations for `malloc' and friends.
-   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2022 Free
+   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2023 Free
    Software Foundation, Inc.
                   Written May 1989 by Mike Haertel.
 
diff --git a/src/gnutls.c b/src/gnutls.c
index e58322934de..40a0da6c706 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2010-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gnutls.h b/src/gnutls.h
index 19d3d3f5bc6..16bfebadee5 100644
--- a/src/gnutls.h
+++ b/src/gnutls.h
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2010-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.c b/src/gtkutil.c
index 592bb497749..4cc0f9f15b4 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1,6 +1,6 @@
 /* Functions for creating and updating GTK widgets.
 
-Copyright (C) 2003-2022 Free Software Foundation, Inc.
+Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.h b/src/gtkutil.h
index 190d6628314..acd6a3bfc8e 100644
--- a/src/gtkutil.h
+++ b/src/gtkutil.h
@@ -1,6 +1,6 @@
 /* Definitions and headers for GTK widgets.
 
-Copyright (C) 2003-2022 Free Software Foundation, Inc.
+Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku.c b/src/haiku.c
index 1c786012555..55c2cf04729 100644
--- a/src/haiku.c
+++ b/src/haiku.c
@@ -1,5 +1,5 @@
 /* Haiku subroutines that are general to the Haiku operating system.
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_draw_support.cc b/src/haiku_draw_support.cc
index 8e911dd1843..b779b773dd5 100644
--- a/src/haiku_draw_support.cc
+++ b/src/haiku_draw_support.cc
@@ -1,5 +1,5 @@
 /* Haiku window system support.  Hey, Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_font_support.cc b/src/haiku_font_support.cc
index 9a2492c9a13..1403c06a614 100644
--- a/src/haiku_font_support.cc
+++ b/src/haiku_font_support.cc
@@ -1,5 +1,5 @@
 /* Haiku window system support.  Hey, Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_io.c b/src/haiku_io.c
index 6ef6f2ebd06..4f1b1435b4b 100644
--- a/src/haiku_io.c
+++ b/src/haiku_io.c
@@ -1,5 +1,5 @@
 /* Haiku window system support.
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_select.cc b/src/haiku_select.cc
index 872da1d6c44..fe46075a007 100644
--- a/src/haiku_select.cc
+++ b/src/haiku_select.cc
@@ -1,5 +1,5 @@
 /* Haiku window system selection support. Hey Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_support.cc b/src/haiku_support.cc
index 3a982856777..28d8fae39b7 100644
--- a/src/haiku_support.cc
+++ b/src/haiku_support.cc
@@ -1,5 +1,5 @@
 /* Haiku window system support.  Hey, Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haiku_support.h b/src/haiku_support.h
index 2605a75b400..564f61f57c7 100644
--- a/src/haiku_support.h
+++ b/src/haiku_support.h
@@ -1,5 +1,5 @@
 /* Haiku window system support.  Hey Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikufns.c b/src/haikufns.c
index ea12a144888..59332346dab 100644
--- a/src/haikufns.c
+++ b/src/haikufns.c
@@ -1,5 +1,5 @@
 /* Haiku window system support
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikufont.c b/src/haikufont.c
index 335c312cebe..4599ca40c47 100644
--- a/src/haikufont.c
+++ b/src/haikufont.c
@@ -1,6 +1,6 @@
 /* Font support for Haiku windowing
 
-Copyright (C) 2021-2022 Free Software Foundation, Inc.
+Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikugui.h b/src/haikugui.h
index 0dc127e6b63..8b144cc5e1d 100644
--- a/src/haikugui.h
+++ b/src/haikugui.h
@@ -1,5 +1,5 @@
 /* Haiku window system support
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikuimage.c b/src/haikuimage.c
index af3021c5cd9..78c6732d94f 100644
--- a/src/haikuimage.c
+++ b/src/haikuimage.c
@@ -1,5 +1,5 @@
 /* Haiku window system support.
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikumenu.c b/src/haikumenu.c
index 69bb56c124e..fab58946568 100644
--- a/src/haikumenu.c
+++ b/src/haikumenu.c
@@ -1,5 +1,5 @@
 /* Haiku window system support
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikuselect.c b/src/haikuselect.c
index e8d3b5f0f7f..b57c336c264 100644
--- a/src/haikuselect.c
+++ b/src/haikuselect.c
@@ -1,5 +1,5 @@
 /* Haiku window system selection support.
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikuselect.h b/src/haikuselect.h
index 42e9c93f7e9..28a1682e587 100644
--- a/src/haikuselect.h
+++ b/src/haikuselect.h
@@ -1,5 +1,5 @@
 /* Haiku window system selection support. Hey Emacs, this is -*- C++ -*-
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikuterm.c b/src/haikuterm.c
index 496480cbc09..8733b82fb2b 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -1,5 +1,5 @@
 /* Haiku window system support
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/haikuterm.h b/src/haikuterm.h
index 70e8cf948bf..4d8d2678e82 100644
--- a/src/haikuterm.h
+++ b/src/haikuterm.h
@@ -1,5 +1,5 @@
 /* Haiku window system support
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/hbfont.c b/src/hbfont.c
index 476e08020e1..86ba9eea1ac 100644
--- a/src/hbfont.c
+++ b/src/hbfont.c
@@ -1,5 +1,5 @@
 /* hbfont.c -- Platform-independent support for HarfBuzz font driver.
-   Copyright (C) 2019-2022 Free Software Foundation, Inc.
+   Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/image.c b/src/image.c
index b881e43e951..e78c0abb0db 100644
--- a/src/image.c
+++ b/src/image.c
@@ -1,6 +1,6 @@
 /* Functions for image support on window system.
 
-Copyright (C) 1989-2022 Free Software Foundation, Inc.
+Copyright (C) 1989-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/indent.c b/src/indent.c
index 66edaff67de..6de18d749ca 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -1,5 +1,5 @@
 /* Indentation functions.
-   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2022 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/indent.h b/src/indent.h
index cc4365f41f1..7bcecb3fdd5 100644
--- a/src/indent.h
+++ b/src/indent.h
@@ -1,5 +1,5 @@
 /* Definitions for interface to indent.c
-   Copyright (C) 1985-1986, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/inotify.c b/src/inotify.c
index 16d20e7e925..7562ffb1701 100644
--- a/src/inotify.c
+++ b/src/inotify.c
@@ -1,6 +1,6 @@
 /* Inotify support for Emacs
 
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/insdel.c b/src/insdel.c
index d483736c039..b51767bf527 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -1,5 +1,5 @@
 /* Buffer insertion/deletion and gap motion for GNU Emacs. -*- coding: utf-8 -*-
-   Copyright (C) 1985-1986, 1993-1995, 1997-2022 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.c b/src/intervals.c
index 78f4f6b6174..75e37a8c90c 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -1,5 +1,5 @@
 /* Code for doing intervals.
-   Copyright (C) 1993-1995, 1997-1998, 2001-2022 Free Software
+   Copyright (C) 1993-1995, 1997-1998, 2001-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.h b/src/intervals.h
index 0ce581208e3..8af92223773 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -1,5 +1,5 @@
 /* Definitions and global variables for intervals.
-   Copyright (C) 1993-1994, 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/itree.c b/src/itree.c
index 5079e2389f8..bd3e62a374a 100644
--- a/src/itree.c
+++ b/src/itree.c
@@ -1,6 +1,6 @@
 /* This file implements an efficient interval data-structure.
 
-Copyright (C) 2017-2022  Free Software Foundation, Inc.
+Copyright (C) 2017-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/itree.h b/src/itree.h
index f1e2bf3bfde..79d03d31ce2 100644
--- a/src/itree.h
+++ b/src/itree.h
@@ -1,6 +1,6 @@
 /* This file implements an efficient interval data-structure.
 
-Copyright (C) 2017-2022  Free Software Foundation, Inc.
+Copyright (C) 2017-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/json.c b/src/json.c
index 621c7d7c15f..f7979fb446e 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1,6 +1,6 @@
 /* JSON parsing and serialization.
 
-Copyright (C) 2017-2022 Free Software Foundation, Inc.
+Copyright (C) 2017-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/keyboard.c b/src/keyboard.c
index 7bf89ac7d4b..0ed28070335 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -1,6 +1,6 @@
 /* Keyboard and mouse input; editor command loop.
 
-Copyright (C) 1985-1989, 1993-1997, 1999-2022 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1997, 1999-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keyboard.h b/src/keyboard.h
index 507d80c2975..3f86a8e03ad 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -1,5 +1,5 @@
 /* Declarations useful when processing input.
-   Copyright (C) 1985-1987, 1993, 2001-2022 Free Software Foundation,
+   Copyright (C) 1985-1987, 1993, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.c b/src/keymap.c
index 506b755e5da..23453eaa9a6 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1,5 +1,5 @@
 /* Manipulation of keymaps
-   Copyright (C) 1985-1988, 1993-1995, 1998-2022 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.h b/src/keymap.h
index 3c6aede9f1d..65be3addbdb 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate keymaps.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/kqueue.c b/src/kqueue.c
index 99a9434cc2e..22c279b7ce3 100644
--- a/src/kqueue.c
+++ b/src/kqueue.c
@@ -1,6 +1,6 @@
 /* Filesystem notifications support with kqueue API.
 
-Copyright (C) 2015-2022 Free Software Foundation, Inc.
+Copyright (C) 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lastfile.c b/src/lastfile.c
index 4960131a470..b80cdbc8fa6 100644
--- a/src/lastfile.c
+++ b/src/lastfile.c
@@ -1,5 +1,5 @@
 /* Mark end of data space to dump as pure, for GNU Emacs.
-   Copyright (C) 1985, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lcms.c b/src/lcms.c
index 78001c9cbc9..e603573043e 100644
--- a/src/lcms.c
+++ b/src/lcms.c
@@ -1,5 +1,5 @@
 /* Interface to Little CMS
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lisp.h b/src/lisp.h
index 0dcf803e124..e6ee6444273 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -1,6 +1,6 @@
 /* Fundamental definitions for GNU Emacs Lisp interpreter. -*- coding: utf-8 -*-
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lread.c b/src/lread.c
index d838a18de5a..d0dc85f51c8 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1,6 +1,6 @@
 /* Lisp parsing and input streams.
 
-Copyright (C) 1985-1989, 1993-1995, 1997-2022 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/macfont.h b/src/macfont.h
index e57d0193fb1..8afba70e711 100644
--- a/src/macfont.h
+++ b/src/macfont.h
@@ -1,5 +1,5 @@
 /* Interface definition for macOS Core text font backend.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macfont.m b/src/macfont.m
index 4de056cb361..d0cdbcd08c7 100644
--- a/src/macfont.m
+++ b/src/macfont.m
@@ -1,5 +1,5 @@
 /* Font driver on macOS Core text.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.c b/src/macros.c
index 6b6865d9298..0db0af89a71 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -1,6 +1,6 @@
 /* Keyboard macros.
 
-Copyright (C) 1985-1986, 1993, 2000-2022 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.h b/src/macros.h
index 10f4207b722..a7c42f753b4 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -1,5 +1,5 @@
 /* Definitions for keyboard macro interpretation in GNU Emacs.
-   Copyright (C) 1985, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/marker.c b/src/marker.c
index 0ed1e55ddc9..e42c49a5434 100644
--- a/src/marker.c
+++ b/src/marker.c
@@ -1,5 +1,5 @@
 /* Markers: examining, setting and deleting.
-   Copyright (C) 1985, 1997-1998, 2001-2022 Free Software Foundation,
+   Copyright (C) 1985, 1997-1998, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.c b/src/menu.c
index a8cb942a195..73d4215b94b 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1,6 +1,6 @@
 /* Platform-independent code for terminal communications.
 
-Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2022 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.h b/src/menu.h
index 836172b58f2..ff27509da44 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate menus.
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/minibuf.c b/src/minibuf.c
index 3f34b1b0834..d5f95968ae1 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1,6 +1,6 @@
 /* Minibuffer input and completion.
 
-Copyright (C) 1985-1986, 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.c b/src/msdos.c
index 1d3fdd528d7..75a39045cee 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -1,6 +1,6 @@
 /* MS-DOS specific C utilities.          -*- coding: cp850 -*-
 
-Copyright (C) 1993-1997, 1999-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-1997, 1999-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.h b/src/msdos.h
index 1b304cf02b9..94878d25b35 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -1,5 +1,5 @@
 /* MS-DOS specific C utilities, interface.
-   Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsfns.m b/src/nsfns.m
index d793bcf13ff..8c78657db50 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1,6 +1,6 @@
 /* Functions for the NeXT/Open/GNUstep and macOS window system.
 
-Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2022 Free Software
+Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsfont.m b/src/nsfont.m
index d072b5ce779..eaa5c771457 100644
--- a/src/nsfont.m
+++ b/src/nsfont.m
@@ -1,6 +1,6 @@
 /* Font back-end driver for the GNUstep window system.
    See font.h
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsgui.h b/src/nsgui.h
index 0ba1fce80bd..469aef13070 100644
--- a/src/nsgui.h
+++ b/src/nsgui.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the NeXT/Open/GNUstep API.
-   Copyright (C) 1995, 2005, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2005, 2008-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsimage.m b/src/nsimage.m
index dd8768664a4..af8eb629989 100644
--- a/src/nsimage.m
+++ b/src/nsimage.m
@@ -1,5 +1,5 @@
 /* Image support for the NeXT/Open/GNUstep and macOS window system.
-   Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2022 Free Software
+   Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsmenu.m b/src/nsmenu.m
index b06f737bacf..2c1f575bdf2 100644
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -1,5 +1,5 @@
 /* NeXT/Open/GNUstep and macOS Cocoa menu and toolbar module.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsselect.m b/src/nsselect.m
index 5b47d746122..120bce75bce 100644
--- a/src/nsselect.m
+++ b/src/nsselect.m
@@ -1,5 +1,5 @@
 /* NeXT/Open/GNUstep / macOS Cocoa selection processing for emacs.
-   Copyright (C) 1993-1994, 2005-2006, 2008-2022 Free Software
+   Copyright (C) 1993-1994, 2005-2006, 2008-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.h b/src/nsterm.h
index 2a4c7571a34..b6e5a813a6d 100644
--- a/src/nsterm.h
+++ b/src/nsterm.h
@@ -1,6 +1,6 @@
 /* -*- objc -*- */
 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
-   Copyright (C) 1989, 1993, 2005, 2008-2022 Free Software Foundation,
+   Copyright (C) 1989, 1993, 2005, 2008-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.m b/src/nsterm.m
index 507f2a9e7da..0e75cbf3f0f 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1,6 +1,6 @@
 /* NeXT/Open/GNUstep / macOS communication module.      -*- coding: utf-8 -*-
 
-Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2022 Free Software
+Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsxwidget.h b/src/nsxwidget.h
index 666509744a6..8d55fac5326 100644
--- a/src/nsxwidget.h
+++ b/src/nsxwidget.h
@@ -1,6 +1,6 @@
 /* Header for NS Cocoa part of xwidget and webkit widget.
 
-Copyright (C) 2019-2022 Free Software Foundation, Inc.
+Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsxwidget.m b/src/nsxwidget.m
index be0eba0bcb1..e1fbd749b62 100644
--- a/src/nsxwidget.m
+++ b/src/nsxwidget.m
@@ -1,6 +1,6 @@
 /* NS Cocoa part implementation of xwidget and webkit widget.
 
-Copyright (C) 2019-2022 Free Software Foundation, Inc.
+Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pdumper.c b/src/pdumper.c
index e1c55d07ac3..11704ca876d 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2018-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pdumper.h b/src/pdumper.h
index ffc743df423..44985e26b3e 100644
--- a/src/pdumper.h
+++ b/src/pdumper.h
@@ -1,6 +1,6 @@
 /* Header file for the portable dumper.
 
-Copyright (C) 2016, 2018-2022 Free Software Foundation, Inc.
+Copyright (C) 2016, 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pgtkfns.c b/src/pgtkfns.c
index a32067af818..57591d2693c 100644
--- a/src/pgtkfns.c
+++ b/src/pgtkfns.c
@@ -1,7 +1,7 @@
 /* Functions for the pure Gtk+-3.
 
-Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020, 2022 Free Software
-Foundation, Inc.
+Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020, 2022-2023 Free
+Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pgtkgui.h b/src/pgtkgui.h
index 389052631c8..4d38e0abc63 100644
--- a/src/pgtkgui.h
+++ b/src/pgtkgui.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the pure Gtk+3.
-   Copyright (C) 1995, 2005, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2005, 2008-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pgtkim.c b/src/pgtkim.c
index e1fffafb611..9123186cf57 100644
--- a/src/pgtkim.c
+++ b/src/pgtkim.c
@@ -1,6 +1,6 @@
 /* Pure Gtk+-3 communication module.
 
-Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2022 Free Software
+Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/pgtkmenu.c b/src/pgtkmenu.c
index d147f4b4168..31572f738c4 100644
--- a/src/pgtkmenu.c
+++ b/src/pgtkmenu.c
@@ -1,5 +1,5 @@
 /* Pure GTK3 menu and toolbar module.
-   Copyright (C) 2019-2022 Free Software Foundation, Inc.
+   Copyright (C) 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pgtkselect.c b/src/pgtkselect.c
index 212bbd56aa4..58d5035abed 100644
--- a/src/pgtkselect.c
+++ b/src/pgtkselect.c
@@ -1,5 +1,5 @@
 /* Gtk selection processing for emacs.
-   Copyright (C) 1993-1994, 2005-2006, 2008-2022 Free Software
+   Copyright (C) 1993-1994, 2005-2006, 2008-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index 13f6c6c3c4d..5158492ca09 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -1,6 +1,6 @@
 /* Communication module for window systems using GTK.
 
-Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2022 Free Software
+Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/pgtkterm.h b/src/pgtkterm.h
index b6bd10dcb41..202c6622ce3 100644
--- a/src/pgtkterm.h
+++ b/src/pgtkterm.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication with pure Gtk+3.
-   Copyright (C) 1989, 1993, 2005, 2008-2022 Free Software Foundation,
+   Copyright (C) 1989, 1993, 2005, 2008-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/print.c b/src/print.c
index d8f87c63036..d4a9ff89246 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1,6 +1,6 @@
 /* Lisp object printing and output streams.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/process.c b/src/process.c
index cab8a1d5cf2..67d1d3e425f 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1,6 +1,6 @@
 /* Asynchronous subprocess control for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2022 Free Software
+Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/process.h b/src/process.h
index 92baf0c4cb9..bbe4528dc31 100644
--- a/src/process.h
+++ b/src/process.h
@@ -1,5 +1,5 @@
 /* Definitions for asynchronous process control in GNU Emacs.
-   Copyright (C) 1985, 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/profiler.c b/src/profiler.c
index 5cb42d54fa6..81b5e7b0cf0 100644
--- a/src/profiler.c
+++ b/src/profiler.c
@@ -1,6 +1,6 @@
 /* Profiler implementation.
 
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/puresize.h b/src/puresize.h
index 4b746924bb1..d5463c81a09 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -1,5 +1,5 @@
 /* How much read-only Lisp storage a dumped Emacs needs.
-   Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ralloc.c b/src/ralloc.c
index 22a5f5bc5a7..1b8d26d1244 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -1,5 +1,5 @@
 /* Block-relocating memory allocator.
-   Copyright (C) 1993, 1995, 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/regex-emacs.c b/src/regex-emacs.c
index 626560911f6..6b2fa5df037 100644
--- a/src/regex-emacs.c
+++ b/src/regex-emacs.c
@@ -1,6 +1,6 @@
 /* Emacs regular expression matching and search
 
-   Copyright (C) 1993-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-2023 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/regex-emacs.h b/src/regex-emacs.h
index 59579a1a8b9..1bc973363e9 100644
--- a/src/regex-emacs.h
+++ b/src/regex-emacs.h
@@ -1,6 +1,6 @@
 /* Emacs regular expression API
 
-   Copyright (C) 1985, 1989-1993, 1995, 2000-2022 Free Software
+   Copyright (C) 1985, 1989-1993, 1995, 2000-2023 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/src/region-cache.c b/src/region-cache.c
index 20fb14b671a..cbf6b7b1cee 100644
--- a/src/region-cache.c
+++ b/src/region-cache.c
@@ -1,6 +1,6 @@
 /* Caching facts about regions of the buffer, for optimization.
 
-Copyright (C) 1985-1989, 1993, 1995, 2001-2022 Free Software Foundation,
+Copyright (C) 1985-1989, 1993, 1995, 2001-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/region-cache.h b/src/region-cache.h
index dc732328c88..bdf132dc2d8 100644
--- a/src/region-cache.h
+++ b/src/region-cache.h
@@ -1,6 +1,6 @@
 /* Header file: Caching facts about regions of the buffer, for optimization.
 
-Copyright (C) 1985-1986, 1993, 1995, 2001-2022 Free Software Foundation,
+Copyright (C) 1985-1986, 1993, 1995, 2001-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/scroll.c b/src/scroll.c
index c643730965d..eee1ad80950 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -1,6 +1,6 @@
 /* Calculate what line insertion or deletion to do, and do it
 
-Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2022 Free Software
+Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/search.c b/src/search.c
index 242681bbba0..dbc5a83946f 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1,6 +1,6 @@
 /* String search routines for GNU Emacs.
 
-Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2022 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sheap.c b/src/sheap.c
index 1ec1f699cec..9ea0d91ef75 100644
--- a/src/sheap.c
+++ b/src/sheap.c
@@ -1,7 +1,7 @@
 /* simulate `sbrk' with an array in .bss, for `unexec' support for Cygwin;
    complete rewrite of xemacs Cygwin `unexec' code
 
-   Copyright (C) 2004-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sheap.h b/src/sheap.h
index cef111bc2f9..b62adf4318f 100644
--- a/src/sheap.h
+++ b/src/sheap.h
@@ -1,6 +1,6 @@
 /* Static heap allocation for GNU Emacs.
 
-Copyright 2016-2022 Free Software Foundation, Inc.
+Copyright 2016-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sort.c b/src/sort.c
index d10ae692d33..34d0d690198 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -1,6 +1,6 @@
 /* Timsort for sequences.
 
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sound.c b/src/sound.c
index 0a307828008..145100cd433 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -1,6 +1,6 @@
 /* sound.c -- sound support.
 
-Copyright (C) 1998-1999, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1998-1999, 2001-2023 Free Software Foundation, Inc.
 
 Author: Gerd Moellmann <gerd@gnu.org>
 
diff --git a/src/sqlite.c b/src/sqlite.c
index d9b9333fb3c..c96841e63f9 100644
--- a/src/sqlite.c
+++ b/src/sqlite.c
@@ -1,6 +1,6 @@
 /* Support for accessing SQLite databases.
 
-Copyright (C) 2021-2022 Free Software Foundation, Inc.
+Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syntax.c b/src/syntax.c
index 15625b4d0e2..79e16f652f3 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -1,5 +1,5 @@
 /* GNU Emacs routines to deal with syntax tables; also word and list parsing.
-   Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2022 Free
+   Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2023 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/syntax.h b/src/syntax.h
index 5949a95a73b..9eb8701628b 100644
--- a/src/syntax.h
+++ b/src/syntax.h
@@ -1,6 +1,6 @@
 /* Declarations having to do with GNU Emacs syntax tables.
 
-Copyright (C) 1985, 1993-1994, 1997-1998, 2001-2022 Free Software
+Copyright (C) 1985, 1993-1994, 1997-1998, 2001-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysdep.c b/src/sysdep.c
index 8402ffe308c..a5b3117d262 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -1,5 +1,5 @@
 /* Interfaces to system-dependent kernel and library entries.
-   Copyright (C) 1985-1988, 1993-1995, 1999-2022 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1999-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysselect.h b/src/sysselect.h
index 45cc22bc4cb..6cde52911f4 100644
--- a/src/sysselect.h
+++ b/src/sysselect.h
@@ -1,5 +1,5 @@
 /* sysselect.h - System-dependent definitions for the select function.
-   Copyright (C) 1995, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syssignal.h b/src/syssignal.h
index 02fe44a3820..6aa3572b903 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -1,6 +1,6 @@
 /* syssignal.h - System-dependent definitions for signals.
 
-Copyright (C) 1993, 1999, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1993, 1999, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sysstdio.h b/src/sysstdio.h
index efedc3e450b..5a973c833cc 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -1,6 +1,6 @@
 /* Standard I/O for Emacs.
 
-Copyright 2013-2022 Free Software Foundation, Inc.
+Copyright 2013-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.c b/src/systhread.c
index 08afa7e5836..caa4dfd4443 100644
--- a/src/systhread.c
+++ b/src/systhread.c
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.h b/src/systhread.h
index 10d6237f275..b8f078df071 100644
--- a/src/systhread.h
+++ b/src/systhread.h
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systime.h b/src/systime.h
index 085a7ddeaba..936f1a50a96 100644
--- a/src/systime.h
+++ b/src/systime.h
@@ -1,5 +1,5 @@
 /* systime.h - System-dependent definitions for time manipulations.
-   Copyright (C) 1993-1994, 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2002-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systty.h b/src/systty.h
index 3a8fffe25f1..918b4178905 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -1,5 +1,5 @@
 /* systty.h - System-dependent definitions for terminals.
-   Copyright (C) 1993-1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syswait.h b/src/syswait.h
index 61c4364fe38..80e2d8d39d0 100644
--- a/src/syswait.h
+++ b/src/syswait.h
@@ -1,5 +1,5 @@
 /* Define wait system call interface for Emacs.
-   Copyright (C) 1993-1995, 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1995, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/term.c b/src/term.c
index f8104e0304e..d881dee39fe 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1,5 +1,5 @@
 /* Terminal control module for terminals described by TERMCAP
-   Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2022 Free Software
+   Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/termcap.c b/src/termcap.c
index 5afa8ae9de4..d2688b3838d 100644
--- a/src/termcap.c
+++ b/src/termcap.c
@@ -1,5 +1,5 @@
 /* Work-alike for termcap, plus extra features.
-   Copyright (C) 1985-1986, 1993-1995, 2000-2008, 2011, 2013-2022 Free
+   Copyright (C) 1985-1986, 1993-1995, 2000-2008, 2011, 2013-2023 Free
    Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
diff --git a/src/termchar.h b/src/termchar.h
index 0f172464113..5c47679a994 100644
--- a/src/termchar.h
+++ b/src/termchar.h
@@ -1,5 +1,5 @@
 /* Flags and parameters describing terminal's characteristics.
-   Copyright (C) 1985-1986, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termhooks.h b/src/termhooks.h
index c5f1e286e92..ba04a6b7759 100644
--- a/src/termhooks.h
+++ b/src/termhooks.h
@@ -1,6 +1,6 @@
 /* Parameters and display hooks for terminal devices.
 
-Copyright (C) 1985-1986, 1993-1994, 2001-2022 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1994, 2001-2023 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/terminal.c b/src/terminal.c
index d366e9d2438..d13e3466512 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -1,5 +1,5 @@
 /* Functions related to terminal devices.
-   Copyright (C) 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/terminfo.c b/src/terminfo.c
index 1a7b38d7d90..66820920d47 100644
--- a/src/terminfo.c
+++ b/src/terminfo.c
@@ -1,5 +1,5 @@
 /* Interface from Emacs to terminfo.
-   Copyright (C) 1985-1986, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termopts.h b/src/termopts.h
index ff1be132456..346c46bdaaa 100644
--- a/src/termopts.h
+++ b/src/termopts.h
@@ -1,5 +1,5 @@
 /* Flags and parameters describing user options for handling the terminal.
-   Copyright (C) 1985-1986, 1990, 2001-2022 Free Software Foundation,
+   Copyright (C) 1985-1986, 1990, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/textprop.c b/src/textprop.c
index ca693fd6800..f88fff19c59 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1,5 +1,5 @@
 /* Interface code for dealing with text properties.
-   Copyright (C) 1993-2022  Free Software Foundation, Inc.
+   Copyright (C) 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/thread.c b/src/thread.c
index 626d14aad0a..b8ca56fd372 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -1,5 +1,5 @@
 /* Threading code.
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/thread.h b/src/thread.h
index 82c445ba7e7..f0e9ee01173 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -1,5 +1,5 @@
 /* Thread definitions
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/timefns.c b/src/timefns.c
index dcc6403fd9d..b3132e7bc34 100644
--- a/src/timefns.c
+++ b/src/timefns.c
@@ -1,6 +1,6 @@
 /* Timestamp functions for Emacs
 
-Copyright (C) 1985-1987, 1989, 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1989, 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/tparam.c b/src/tparam.c
index 89483ed52a8..1a5eab37452 100644
--- a/src/tparam.c
+++ b/src/tparam.c
@@ -1,5 +1,5 @@
 /* Merge parameters into a termcap entry string.
-   Copyright (C) 1985, 1987, 1993, 1995, 2000-2008, 2013-2022 Free
+   Copyright (C) 1985, 1987, 1993, 1995, 2000-2008, 2013-2023 Free
    Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
diff --git a/src/tparam.h b/src/tparam.h
index 4f4bdc8820f..898ee38a64b 100644
--- a/src/tparam.h
+++ b/src/tparam.h
@@ -1,6 +1,6 @@
 /* Interface definitions for termcap entries.
 
-Copyright (C) 2011-2022 Free Software Foundation, Inc.
+Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/treesit.c b/src/treesit.c
index e87bfc3429c..55463122d14 100644
--- a/src/treesit.c
+++ b/src/treesit.c
@@ -1,6 +1,6 @@
 /* Tree-sitter integration for GNU Emacs.
 
-Copyright (C) 2021-2022 Free Software Foundation, Inc.
+Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 Maintainer: Yuan Fu <casouri@gmail.com>
 
diff --git a/src/treesit.h b/src/treesit.h
index 6f6423ff472..909609737d3 100644
--- a/src/treesit.h
+++ b/src/treesit.h
@@ -1,6 +1,6 @@
 /* Header file for the tree-sitter integration.
 
-Copyright (C) 2021-2022 Free Software Foundation, Inc.
+Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/undo.c b/src/undo.c
index f76977dbe50..75cfd6058d2 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1,5 +1,5 @@
 /* undo handling for GNU Emacs.
-   Copyright (C) 1990, 1993-1994, 2000-2022 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexaix.c b/src/unexaix.c
index 457c7543044..e50452c519a 100644
--- a/src/unexaix.c
+++ b/src/unexaix.c
@@ -1,5 +1,5 @@
 /* Dump an executable file.
-   Copyright (C) 1985-1988, 1999, 2001-2022 Free Software Foundation,
+   Copyright (C) 1985-1988, 1999, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcoff.c b/src/unexcoff.c
index 337754f6d46..05a4edfe89d 100644
--- a/src/unexcoff.c
+++ b/src/unexcoff.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1992-1994, 2001-2022 Free Software
+/* Copyright (C) 1985-1988, 1992-1994, 2001-2023 Free Software
  * Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcw.c b/src/unexcw.c
index d1099bb2053..fe2f120a01f 100644
--- a/src/unexcw.c
+++ b/src/unexcw.c
@@ -1,7 +1,7 @@
 /* unexec() support for Cygwin;
    complete rewrite of xemacs Cygwin unexec() code
 
-   Copyright (C) 2004-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexelf.c b/src/unexelf.c
index e61bdd4e880..607ac0cd6a2 100644
--- a/src/unexelf.c
+++ b/src/unexelf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1990, 1992, 1999-2022 Free Software
+/* Copyright (C) 1985-1988, 1990, 1992, 1999-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexmacosx.c b/src/unexmacosx.c
index be1ef43e62c..33c20358116 100644
--- a/src/unexmacosx.c
+++ b/src/unexmacosx.c
@@ -1,5 +1,5 @@
 /* Dump Emacs in Mach-O format for use on macOS.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexw32.c b/src/unexw32.c
index fe76b37a05b..92e02b29850 100644
--- a/src/unexw32.c
+++ b/src/unexw32.c
@@ -1,5 +1,5 @@
 /* unexec for GNU Emacs on Windows NT.
-   Copyright (C) 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/verbose.mk.in b/src/verbose.mk.in
index 4ec7788442d..a4e2aad9325 100644
--- a/src/verbose.mk.in
+++ b/src/verbose.mk.in
@@ -1,6 +1,6 @@
 ### verbose.mk --- Makefile fragment for GNU Emacs
 
-## Copyright (C) 2021-2022 Free Software Foundation, Inc.
+## Copyright (C) 2021-2023 Free Software Foundation, Inc.
 
 ## This file is part of GNU Emacs.
 
diff --git a/src/vm-limit.c b/src/vm-limit.c
index 043ea96d15f..a118f36edc5 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -1,5 +1,5 @@
 /* Functions for memory limit warnings.
-   Copyright (C) 1990, 1992, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1992, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w16select.c b/src/w16select.c
index b878481e469..dce37fc1396 100644
--- a/src/w16select.c
+++ b/src/w16select.c
@@ -1,6 +1,6 @@
 /* 16-bit Windows Selection processing for emacs on MS-Windows
 
-Copyright (C) 1996-1997, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1996-1997, 2001-2023 Free Software Foundation, Inc.
 
 Author: Dale P. Smith <dpsm@en.com>
 
diff --git a/src/w32.c b/src/w32.c
index 9c7d536adad..47d79abc5b0 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -1,6 +1,6 @@
 /* Utility and Unix shadow routines for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 1994-1995, 2000-2022 Free Software Foundation, Inc.
+Copyright (C) 1994-1995, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32.h b/src/w32.h
index b914aa9bafa..a3d0b75359a 100644
--- a/src/w32.h
+++ b/src/w32.h
@@ -2,7 +2,7 @@
 #define EMACS_W32_H
 
 /* Support routines for the NT version of Emacs.
-   Copyright (C) 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32common.h b/src/w32common.h
index 6b9c2c08dde..26b114441ef 100644
--- a/src/w32common.h
+++ b/src/w32common.h
@@ -1,5 +1,5 @@
 /* Common functions for Microsoft Windows builds of Emacs
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32console.c b/src/w32console.c
index 09749126e03..bb7d2162403 100644
--- a/src/w32console.c
+++ b/src/w32console.c
@@ -1,5 +1,5 @@
 /* Terminal hooks for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1992, 1999, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1999, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32cygwinx.c b/src/w32cygwinx.c
index bb2539be94f..dd1c4044e8e 100644
--- a/src/w32cygwinx.c
+++ b/src/w32cygwinx.c
@@ -1,6 +1,6 @@
 /* Common functions for the Microsoft Windows and Cygwin builds.
 
-Copyright (C) 2018-2022 Free Software Foundation, Inc.
+Copyright (C) 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32fns.c b/src/w32fns.c
index 887e5a1f7b7..9d02e680fe8 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -1,6 +1,6 @@
 /* Graphical user interface functions for the Microsoft Windows API.
 
-Copyright (C) 1989, 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.c b/src/w32font.c
index 611a0c89658..2917fa55f9f 100644
--- a/src/w32font.c
+++ b/src/w32font.c
@@ -1,5 +1,5 @@
 /* Font backend for the Microsoft Windows API.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.h b/src/w32font.h
index 9fd4a6c1873..3f1c86adff9 100644
--- a/src/w32font.h
+++ b/src/w32font.h
@@ -1,5 +1,5 @@
 /* Shared GDI and Uniscribe Font backend declarations for the Windows API.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32gui.h b/src/w32gui.h
index 4e8de848545..55e2e90c634 100644
--- a/src/w32gui.h
+++ b/src/w32gui.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32heap.c b/src/w32heap.c
index 675162447d8..a1975d9a975 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -1,5 +1,5 @@
 /* Heap management routines for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2023 Free Software Foundation, Inc.
 
    This file is part of GNU Emacs.
 
diff --git a/src/w32heap.h b/src/w32heap.h
index 764fc48a4ee..2f0ac61e6a0 100644
--- a/src/w32heap.h
+++ b/src/w32heap.h
@@ -1,5 +1,5 @@
 /* Heap management routines (including unexec) for GNU Emacs on Windows NT.
-   Copyright (C) 1994, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32image.c b/src/w32image.c
index af10d2bd265..32967bab9e8 100644
--- a/src/w32image.c
+++ b/src/w32image.c
@@ -1,6 +1,6 @@
 /* Implementation of MS-Windows native image API via the GDI+ library.
 
-Copyright (C) 2020-2022 Free Software Foundation, Inc.
+Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32inevt.c b/src/w32inevt.c
index d13b0521c9a..29717954cfd 100644
--- a/src/w32inevt.c
+++ b/src/w32inevt.c
@@ -1,5 +1,5 @@
 /* Input event support for Emacs on the Microsoft Windows API.
-   Copyright (C) 1992-1993, 1995, 2001-2022 Free Software Foundation,
+   Copyright (C) 1992-1993, 1995, 2001-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32inevt.h b/src/w32inevt.h
index e5b2581430c..9310873c872 100644
--- a/src/w32inevt.h
+++ b/src/w32inevt.h
@@ -1,5 +1,5 @@
 /* Input routines for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32menu.c b/src/w32menu.c
index 5f06f4c4170..239355946fc 100644
--- a/src/w32menu.c
+++ b/src/w32menu.c
@@ -1,5 +1,5 @@
 /* Menu support for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2022 Free
+   Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2023 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32notify.c b/src/w32notify.c
index 6b5fce9f927..541d2f0fcd4 100644
--- a/src/w32notify.c
+++ b/src/w32notify.c
@@ -1,6 +1,6 @@
 /* Filesystem notifications support for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 2012-2022 Free Software Foundation, Inc.
+Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
 
diff --git a/src/w32proc.c b/src/w32proc.c
index f771ebc8511..77a4ac1ff7e 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -1,6 +1,6 @@
 /* Process support for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 1992, 1995, 1999-2022 Free Software Foundation, Inc.
+Copyright (C) 1992, 1995, 1999-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32reg.c b/src/w32reg.c
index 30cf4ab5ec8..9c390d6cd41 100644
--- a/src/w32reg.c
+++ b/src/w32reg.c
@@ -1,6 +1,6 @@
 /* Emulate the X Resource Manager through the registry.
 
-Copyright (C) 1990, 1993-1994, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1990, 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
 
diff --git a/src/w32select.c b/src/w32select.c
index 37206118127..193bc00c6e0 100644
--- a/src/w32select.c
+++ b/src/w32select.c
@@ -1,6 +1,6 @@
 /* Selection processing for Emacs on the Microsoft Windows API.
 
-Copyright (C) 1993-1994, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
         Benjamin Riefenstahl
diff --git a/src/w32select.h b/src/w32select.h
index db707036d0c..e4ef82aff46 100644
--- a/src/w32select.h
+++ b/src/w32select.h
@@ -1,6 +1,6 @@
 /* Selection processing for Emacs on the Microsoft W32 API.
 
-Copyright (C) 1993-1994, 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.c b/src/w32term.c
index e40e4588fde..2899e82b295 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -1,6 +1,6 @@
 /* Implementation of GUI terminal on the Microsoft Windows API.
 
-Copyright (C) 1989, 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.h b/src/w32term.h
index 88b7ec22bd1..69ef297cbcc 100644
--- a/src/w32term.h
+++ b/src/w32term.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32uniscribe.c b/src/w32uniscribe.c
index 7c772b68f6e..67df0c8aebd 100644
--- a/src/w32uniscribe.c
+++ b/src/w32uniscribe.c
@@ -1,6 +1,6 @@
 /* Font backend for the Microsoft W32 Uniscribe API.
    Windows-specific parts of the HarfBuzz font backend.
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32xfns.c b/src/w32xfns.c
index 22d39ae0037..2df9577460f 100644
--- a/src/w32xfns.c
+++ b/src/w32xfns.c
@@ -1,5 +1,5 @@
 /* Functions taken directly from X sources for use with the Microsoft Windows API.
-   Copyright (C) 1989, 1992-1995, 1999, 2001-2022 Free Software
+   Copyright (C) 1989, 1992-1995, 1999, 2001-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/widget.c b/src/widget.c
index aaab33b6d8e..26696a975e3 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -1,5 +1,5 @@
 /* The emacs frame widget.
-   Copyright (C) 1992-1993, 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 1992-1993, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widget.h b/src/widget.h
index cf83cb10781..317b14cc523 100644
--- a/src/widget.h
+++ b/src/widget.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget public header file.
-   Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widgetprv.h b/src/widgetprv.h
index 3a4d9206ffe..e264d157edb 100644
--- a/src/widgetprv.h
+++ b/src/widgetprv.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget private header file.
-   Copyright (C) 1993, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/window.c b/src/window.c
index cd43919a7d8..6201a6f4a36 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1,6 +1,6 @@
 /* Window creation, deletion and examination for GNU Emacs.
    Does not include redisplay.
-   Copyright (C) 1985-1987, 1993-1998, 2000-2022 Free Software
+   Copyright (C) 1985-1987, 1993-1998, 2000-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/window.h b/src/window.h
index b5d0c69ab52..32b5fe14f4f 100644
--- a/src/window.h
+++ b/src/window.h
@@ -1,5 +1,5 @@
 /* Window definitions for GNU Emacs.
-   Copyright (C) 1985-1986, 1993, 1995, 1997-2022 Free Software
+   Copyright (C) 1985-1986, 1993, 1995, 1997-2023 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xdisp.c b/src/xdisp.c
index db6dd3fab63..66c72aea6da 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1,6 +1,6 @@
 /* Display generation from window structure and buffer text.
 
-Copyright (C) 1985-2022  Free Software Foundation, Inc.
+Copyright (C) 1985-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfaces.c b/src/xfaces.c
index 663386dc25b..68f7cc493cc 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -1,6 +1,6 @@
 /* xfaces.c -- "Face" primitives.
 
-Copyright (C) 1993-1994, 1998-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 1998-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfns.c b/src/xfns.c
index 1cc5aec1eb4..dac347e4661 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1,6 +1,6 @@
 /* Functions for the X Window System.
 
-Copyright (C) 1989, 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfont.c b/src/xfont.c
index 951446b44d2..ce32c7a2188 100644
--- a/src/xfont.c
+++ b/src/xfont.c
@@ -1,5 +1,5 @@
 /* xfont.c -- X core font driver.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/xftfont.c b/src/xftfont.c
index b9686db2a73..4d5b855f178 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -1,5 +1,5 @@
 /* xftfont.c -- XFT font driver.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/xgselect.c b/src/xgselect.c
index 6e09a15fa84..7f4f2b04811 100644
--- a/src/xgselect.c
+++ b/src/xgselect.c
@@ -1,6 +1,6 @@
 /* Function for handling the GLib event loop.
 
-Copyright (C) 2009-2022 Free Software Foundation, Inc.
+Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xgselect.h b/src/xgselect.h
index 156d4bde59f..cfc872558b7 100644
--- a/src/xgselect.h
+++ b/src/xgselect.h
@@ -1,6 +1,6 @@
 /* Header for xg_select.
 
-Copyright (C) 2009-2022 Free Software Foundation, Inc.
+Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xmenu.c b/src/xmenu.c
index 756842c2fef..6d32aa3e078 100644
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -1,6 +1,6 @@
 /* X Communication module for terminals which understand the X protocol.
 
-Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2022 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2023 Free Software
 Foundation, Inc.
 
 Author: Jon Arnold
diff --git a/src/xml.c b/src/xml.c
index 2cccff12331..b55ac62cdd3 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1,5 +1,5 @@
 /* Interface to libxml2.
-   Copyright (C) 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2010-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xrdb.c b/src/xrdb.c
index 01c9ff5558a..046200f0d19 100644
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -1,5 +1,5 @@
 /* Deal with the X Resource Manager.
-   Copyright (C) 1990, 1993-1994, 2000-2022 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2023 Free Software Foundation,
    Inc.
 
 Author: Joseph Arceneaux
diff --git a/src/xselect.c b/src/xselect.c
index 05548be311f..0586e46870b 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -1,5 +1,5 @@
 /* X Selection processing for Emacs.
-   Copyright (C) 1993-1997, 2000-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-1997, 2000-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.c b/src/xsettings.c
index 00b67539d41..f366c9d7fc5 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -1,6 +1,6 @@
 /* Functions for handling font and other changes dynamically.
 
-Copyright (C) 2009-2022 Free Software Foundation, Inc.
+Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.h b/src/xsettings.h
index 833c2b367dc..f1c6f7af1f1 100644
--- a/src/xsettings.h
+++ b/src/xsettings.h
@@ -1,6 +1,6 @@
 /* Functions for handle font changes dynamically.
 
-Copyright (C) 2009-2022 Free Software Foundation, Inc.
+Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsmfns.c b/src/xsmfns.c
index 7a17e6dbd86..799c9fd1053 100644
--- a/src/xsmfns.c
+++ b/src/xsmfns.c
@@ -1,7 +1,7 @@
 /* Session management module for systems which understand the X Session
    management protocol.
 
-Copyright (C) 2002-2022 Free Software Foundation, Inc.
+Copyright (C) 2002-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.c b/src/xterm.c
index 1eef8e7a724..8d8b0a0c0aa 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -1,6 +1,6 @@
 /* X Communication module for terminals which understand the X protocol.
 
-Copyright (C) 1989, 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.h b/src/xterm.h
index f06e1ec5bc6..d768ba7ff8d 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication with X protocol.
-   Copyright (C) 1989, 1993-1994, 1998-2022 Free Software Foundation,
+   Copyright (C) 1989, 1993-1994, 1998-2023 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xwidget.c b/src/xwidget.c
index 8bdfab02fd4..efe27055629 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2022 Free Software Foundation, Inc.
+Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xwidget.h b/src/xwidget.h
index 502beb67650..171924e0aaa 100644
--- a/src/xwidget.h
+++ b/src/xwidget.h
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2022 Free Software Foundation, Inc.
+Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.