From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 21 Jan 2023 05:35:08 +0000 (-0600)
Subject: make update-copyright
X-Git-Tag: v2.72c~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cb3ad19ddfa062cd74ce25e9cbac0a575aba93f3;p=thirdparty%2Fautoconf.git

make update-copyright
---

diff --git a/AUTHORS b/AUTHORS
index cbbcf8227..f716da646 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -111,7 +111,7 @@ mode: text
 coding: utf-8
 End:
 
-Copyright (C) 1996, 2000-2001, 2005, 2007-2017, 2020-2022 Free Software
+Copyright (C) 1996, 2000-2001, 2005, 2007-2017, 2020-2023 Free Software
 Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
diff --git a/BUGS b/BUGS
index 0c129f42a..be966607d 100644
--- a/BUGS
+++ b/BUGS
@@ -3,7 +3,7 @@
 This file lists the bugs you must be aware of.  Be sure to check this
 file before using Autoconf, and especially git versions of Autoconf.
 
-	Copyright (C) 2000-2002, 2006-2017, 2020-2022 Free Software
+	Copyright (C) 2000-2002, 2006-2017, 2020-2023 Free Software
 	Foundation, Inc.
 
 	Copying and distribution of this file, with or without
diff --git a/HACKING b/HACKING
index 0d32da5ee..0750d084b 100644
--- a/HACKING
+++ b/HACKING
@@ -155,7 +155,7 @@ that needs to be updated.
 
 -----
 
-Copyright (C) 2002, 2008-2017, 2020-2022 Free Software Foundation, Inc.
+Copyright (C) 2002, 2008-2017, 2020-2023 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Makefile.am b/Makefile.am
index 0f2d945a5..28bb4941d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 # Make Autoconf.
 
-# Copyright (C) 1999-2004, 2006-2017, 2020-2022 Free Software
+# Copyright (C) 1999-2004, 2006-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/NEWS b/NEWS
index eafd7d69c..1583f23d5 100644
--- a/NEWS
+++ b/NEWS
@@ -2693,7 +2693,7 @@ Various bug fixes.
 
 -----
 
-Copyright (C) 1993-1996, 1998-2017, 2020-2022 Free Software Foundation,
+Copyright (C) 1993-1996, 1998-2017, 2020-2023 Free Software Foundation,
 Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README b/README
index f467f4101..35527e55a 100644
--- a/README
+++ b/README
@@ -76,7 +76,7 @@ We are looking forward to hacking with you!
 
 -----
 
-Copyright (C) 1992-1994, 1998, 2000-2017, 2020-2022 Free Software
+Copyright (C) 1992-1994, 1998, 2000-2017, 2020-2023 Free Software
 Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README-alpha b/README-alpha
index f0d782748..557ef71ed 100644
--- a/README-alpha
+++ b/README-alpha
@@ -22,7 +22,7 @@ users.
 
 -----
 
-Copyright (C) 2000-2003, 2009-2017, 2020-2022 Free Software Foundation,
+Copyright (C) 2000-2003, 2009-2017, 2020-2023 Free Software Foundation,
 Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README-hacking b/README-hacking
index e15128fae..55d73a24a 100644
--- a/README-hacking
+++ b/README-hacking
@@ -137,7 +137,7 @@ Enjoy!
 
 -----
 
-Copyright (C) 2002-2017, 2020-2022 Free Software Foundation, Inc.
+Copyright (C) 2002-2017, 2020-2023 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/THANKS b/THANKS
index b1a118975..a49a9fcf3 100644
--- a/THANKS
+++ b/THANKS
@@ -459,7 +459,7 @@ mode: text
 coding: utf-8
 End:
 
-Copyright (C) 1999-2017, 2020-2022 Free Software Foundation, Inc.
+Copyright (C) 1999-2017, 2020-2023 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/TODO b/TODO
index feaa8cc91..3fea4756b 100644
--- a/TODO
+++ b/TODO
@@ -591,7 +591,7 @@ with autoconf scripts.
 
 ------------------------------------------------------------------------------
 
-Copyright (C) 1994-1996, 1999-2002, 2007-2017, 2020-2022 Free Software
+Copyright (C) 1994-1996, 1999-2002, 2007-2017, 2020-2023 Free Software
 Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/bin/autoconf.in b/bin/autoconf.in
index b96a7781e..060a9a04f 100644
--- a/bin/autoconf.in
+++ b/bin/autoconf.in
@@ -7,7 +7,7 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 
 # autoconf -- create 'configure' using m4 macros.
 
-# Copyright (C) 1992-1994, 1996, 1999-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1994, 1996, 1999-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/autoheader.in b/bin/autoheader.in
index eca5d06b5..4afa5f138 100644
--- a/bin/autoheader.in
+++ b/bin/autoheader.in
@@ -7,7 +7,7 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 
 # autoheader -- create 'config.h.in' from 'configure.ac'.
 
-# Copyright (C) 1992-1994, 1996, 1998-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1994, 1996, 1998-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/autom4te.in b/bin/autom4te.in
index 546ab6051..4b61f0a82 100644
--- a/bin/autom4te.in
+++ b/bin/autom4te.in
@@ -6,7 +6,7 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
     if 0;
 
 # autom4te - Wrapper around M4 libraries.
-# Copyright (C) 2001-2003, 2005-2017, 2020-2022 Free Software
+# Copyright (C) 2001-2003, 2005-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/autoreconf.in b/bin/autoreconf.in
index 5aaf26b2e..c6077efef 100644
--- a/bin/autoreconf.in
+++ b/bin/autoreconf.in
@@ -6,7 +6,7 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
     if 0;
 
 # autoreconf - install the GNU Build System in a directory tree
-# Copyright (C) 1994, 1999-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/autoscan.in b/bin/autoscan.in
index a33c4a871..4289aafc3 100644
--- a/bin/autoscan.in
+++ b/bin/autoscan.in
@@ -3,7 +3,7 @@
 # @configure_input@
 
 # autoscan - Create configure.scan (a preliminary configure.ac) for a package.
-# Copyright (C) 1994, 1999-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index 1c7c63c58..5a71fe760 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -3,7 +3,7 @@
 # @configure_input@
 
 # autoupdate - modernize an Autoconf file.
-# Copyright (C) 1994, 1999-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/ifnames.in b/bin/ifnames.in
index 176244ff2..2626b167b 100644
--- a/bin/ifnames.in
+++ b/bin/ifnames.in
@@ -7,7 +7,7 @@ eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
 
 # ifnames - print the identifiers used in C preprocessor conditionals
 
-# Copyright (C) 1994-1995, 1999-2003, 2005-2017, 2020-2022 Free Software
+# Copyright (C) 1994-1995, 1999-2003, 2005-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bin/local.mk b/bin/local.mk
index 9d82a7196..0edfa65c3 100644
--- a/bin/local.mk
+++ b/bin/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf commands.
 
-# Copyright (C) 1999-2007, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 1999-2007, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bootstrap b/bootstrap
index c6139547c..508613677 100755
--- a/bootstrap
+++ b/bootstrap
@@ -2,7 +2,7 @@
 
 # This script helps bootstrap autoconf, when checked out from git.
 #
-# Copyright (C) 2021-2022 Free Software Foundation, Inc.
+# Copyright (C) 2021-2023 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/build-aux/fetch.pl b/build-aux/fetch.pl
index 3dc9bc78d..111020357 100755
--- a/build-aux/fetch.pl
+++ b/build-aux/fetch.pl
@@ -1,5 +1,5 @@
 #! /usr/bin/perl
-# Copyright (C) 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2020-2023 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/build-aux/help-extract.pl b/build-aux/help-extract.pl
index 2fc25379f..83f79da9d 100644
--- a/build-aux/help-extract.pl
+++ b/build-aux/help-extract.pl
@@ -1,5 +1,5 @@
 # help-extract -- extract --help and --version output from a script.
-# Copyright (C) 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2020-2023 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/cfg.mk b/cfg.mk
index 82e896edd..42827eb93 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 # Customize maint.mk for Autoconf.            -*- Makefile -*-
-# Copyright (C) 2003-2004, 2006, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 2003-2004, 2006, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/configure.ac b/configure.ac
index 3d849ac4f..1ec9b2c7d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #                                                       -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-# Copyright (C) 1992-1995, 1999-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1995, 1999-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
@@ -38,7 +38,7 @@ AM_INIT_AUTOMAKE([1.11 dist-xz readme-alpha no-texinfo.tex std-options])
 
 # Keep this on a line of its own, since it must be found and processed
 # by the 'update-release-year' rule in our Makefile.
-RELEASE_YEAR=2022
+RELEASE_YEAR=2023
 AC_SUBST([RELEASE_YEAR])
 
 AB_INIT
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index df96280bc..0031d3f95 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -210,7 +210,7 @@ This manual (@value{UPDATED}) is for GNU Autoconf
 a package for creating scripts to configure source code packages using
 templates and an M4 macro package.
 
-Copyright @copyright{} 1992--1996, 1998--2017, 2020--2022 Free Software
+Copyright @copyright{} 1992--1996, 1998--2017, 2020--2023 Free Software
 Foundation, Inc.
 
 @quotation
diff --git a/doc/install.texi b/doc/install.texi
index dfe75e343..e06689613 100644
--- a/doc/install.texi
+++ b/doc/install.texi
@@ -5,7 +5,7 @@
 
 @unnumbered Installation Instructions
 
-Copyright @copyright{} 1994--1996, 1999--2002, 2004--2017, 2020--2022
+Copyright @copyright{} 1994--1996, 1999--2002, 2004--2017, 2020--2023
 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification, are
diff --git a/doc/local.mk b/doc/local.mk
index 3a42e6586..cbb360c97 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf documentation.
 
-# Copyright (C) 2000-2003, 2007-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2003, 2007-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/Autom4te/C4che.pm b/lib/Autom4te/C4che.pm
index e95618094..b4af79744 100644
--- a/lib/Autom4te/C4che.pm
+++ b/lib/Autom4te/C4che.pm
@@ -1,5 +1,5 @@
 # autoconf -- create 'configure' using m4 macros
-# Copyright (C) 2003, 2006, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2003, 2006, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/Autom4te/Config.pm b/lib/Autom4te/Config.pm
index 9d4c3d833..5a8001754 100644
--- a/lib/Autom4te/Config.pm
+++ b/lib/Autom4te/Config.pm
@@ -1,5 +1,5 @@
 #  -*- Perl -*-
-# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2023 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/lib/Autom4te/General.pm b/lib/Autom4te/General.pm
index a0f290434..57a706a71 100644
--- a/lib/Autom4te/General.pm
+++ b/lib/Autom4te/General.pm
@@ -1,5 +1,5 @@
 # autoconf -- create 'configure' using m4 macros
-# Copyright (C) 2001-2004, 2006-2007, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2001-2004, 2006-2007, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/Autom4te/Request.pm b/lib/Autom4te/Request.pm
index 1b922f7da..d3af46bc6 100644
--- a/lib/Autom4te/Request.pm
+++ b/lib/Autom4te/Request.pm
@@ -1,5 +1,5 @@
 # autoconf -- create 'configure' using m4 macros
-# Copyright (C) 2001-2003, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2001-2003, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/autoconf/autoconf.m4 b/lib/autoconf/autoconf.m4
index 38e5fa9e9..57ffa45bb 100644
--- a/lib/autoconf/autoconf.m4
+++ b/lib/autoconf/autoconf.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                -*- Autoconf -*-
 # Driver that loads the Autoconf macro files.
 #
-# Copyright (C) 1994, 1999-2002, 2006, 2008-2017, 2020-2022 Free
+# Copyright (C) 1994, 1999-2002, 2006, 2008-2017, 2020-2023 Free
 # Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/autoheader.m4 b/lib/autoconf/autoheader.m4
index 071684b10..4af5851ea 100644
--- a/lib/autoconf/autoheader.m4
+++ b/lib/autoconf/autoheader.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Interface with autoheader.
 
-# Copyright (C) 1992-1996, 1998-2002, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2002, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/autoscan.m4 b/lib/autoconf/autoscan.m4
index f26f02e64..114d4e8e6 100644
--- a/lib/autoconf/autoscan.m4
+++ b/lib/autoconf/autoscan.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Interface with autoscan.
 
-# Copyright (C) 2002, 2009-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2002, 2009-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/autotest.m4 b/lib/autoconf/autotest.m4
index bb7f6ff3e..3fc9c41f1 100644
--- a/lib/autoconf/autotest.m4
+++ b/lib/autoconf/autotest.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Interface with Autotest.
-# Copyright (C) 1992-1996, 1998-2005, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2005, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/autoupdate.m4 b/lib/autoconf/autoupdate.m4
index 068e9b7f6..6bd2bd88b 100644
--- a/lib/autoconf/autoupdate.m4
+++ b/lib/autoconf/autoupdate.m4
@@ -2,7 +2,7 @@
 # Interface with autoupdate.
 
 # Copyright (C) 1992-1996, 1998-2001, 2003-2004, 2006, 2009-2017,
-# 2020-2022 Free Software Foundation, Inc.
+# 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 96a784a4b..fef6c516d 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # Programming languages support.
-# Copyright (C) 2001-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/autoconf/erlang.m4 b/lib/autoconf/erlang.m4
index d7ec25ab0..4bfdb8aa9 100644
--- a/lib/autoconf/erlang.m4
+++ b/lib/autoconf/erlang.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Erlang/OTP language support.
-# Copyright (C) 2006, 2008-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2006, 2008-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 22e2ae5f8..d672450dc 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Fortran languages support.
-# Copyright (C) 2001, 2003-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2001, 2003-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4
index 3dbeae79c..4496a8685 100644
--- a/lib/autoconf/functions.m4
+++ b/lib/autoconf/functions.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # Checking for functions.
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 29243142b..492c43369 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Parameterized macros.
 m4_define([_AC_COPYRIGHT_YEARS], [
-Copyright (C) 1992-1996, 1998-2017, 2020-2022 Free Software Foundation,
+Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
 Inc.
 ])
 
diff --git a/lib/autoconf/go.m4 b/lib/autoconf/go.m4
index 953ceb2e9..df80e6dbd 100644
--- a/lib/autoconf/go.m4
+++ b/lib/autoconf/go.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Go language support.
-# Copyright (C) 2011-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/autoconf/headers.m4 b/lib/autoconf/headers.m4
index ccb1bf4b5..7f70e8fd4 100644
--- a/lib/autoconf/headers.m4
+++ b/lib/autoconf/headers.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # Checking for headers.
 #
-# Copyright (C) 1988, 1999-2004, 2006, 2008-2017, 2020-2022 Free
+# Copyright (C) 1988, 1999-2004, 2006, 2008-2017, 2020-2023 Free
 # Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/lang.m4 b/lib/autoconf/lang.m4
index 48da66b7e..bcbd6c958 100644
--- a/lib/autoconf/lang.m4
+++ b/lib/autoconf/lang.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Programming languages support.
-# Copyright (C) 2000-2002, 2004-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2002, 2004-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/libs.m4 b/lib/autoconf/libs.m4
index 796eaeaa1..dafe91243 100644
--- a/lib/autoconf/libs.m4
+++ b/lib/autoconf/libs.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Checking for libraries.
-# Copyright (C) 1992-1996, 1998-2006, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2006, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/oldnames.m4 b/lib/autoconf/oldnames.m4
index 116f7ef5a..0bb72fe30 100644
--- a/lib/autoconf/oldnames.m4
+++ b/lib/autoconf/oldnames.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                           -*- Autoconf -*-
 # Support old macros, and provide automated updates.
-# Copyright (C) 1994, 1999-2001, 2003, 2009-2017, 2020-2022 Free
+# Copyright (C) 1994, 1999-2001, 2003, 2009-2017, 2020-2023 Free
 # Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4
index 242a20cec..221bdb1dc 100644
--- a/lib/autoconf/programs.m4
+++ b/lib/autoconf/programs.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Checking for programs.
 
-# Copyright (C) 1992-1996, 1998-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index febbeda22..1b3ee661b 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # Macros that test for specific, unclassified, features.
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/status.m4 b/lib/autoconf/status.m4
index b8995cf2c..2bfaf32bc 100644
--- a/lib/autoconf/status.m4
+++ b/lib/autoconf/status.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Parameterizing and creating config.status.
-# Copyright (C) 1992-1996, 1998-2017, 2020-2022 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autoconf/types.m4 b/lib/autoconf/types.m4
index 0968767e7..ebac0cf6d 100644
--- a/lib/autoconf/types.m4
+++ b/lib/autoconf/types.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # Type related macros: existence, sizeof, and structure members.
 #
-# Copyright (C) 2000-2002, 2004-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2002, 2004-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autom4te.in b/lib/autom4te.in
index f05f66669..ae8bfb6c1 100644
--- a/lib/autom4te.in
+++ b/lib/autom4te.in
@@ -1,6 +1,6 @@
 # Definition of Autom4te option sets.                     -*- Makefile -*-
 #
-# Copyright (C) 2001-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2017, 2020-2023 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/lib/autoscan/autoscan.pre b/lib/autoscan/autoscan.pre
index 6e47c762e..f76b5d7ce 100644
--- a/lib/autoscan/autoscan.pre
+++ b/lib/autoscan/autoscan.pre
@@ -1,5 +1,5 @@
 # autoscan's mapping to Autoconf macros      -*- Makefile -*-
-# Copyright (C) 1992-1994, 1996, 1999-2002, 2009-2017, 2020-2022 Free
+# Copyright (C) 1992-1994, 1996, 1999-2002, 2009-2017, 2020-2023 Free
 # Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/autotest/autotest.m4 b/lib/autotest/autotest.m4
index 78183cfc2..6b3e648b4 100644
--- a/lib/autotest/autotest.m4
+++ b/lib/autotest/autotest.m4
@@ -1,6 +1,6 @@
 # This file is part of Autoconf.			-*- Autoconf -*-
 # M4 macros used in building test suites.
-# Copyright (C) 2000-2002, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2002, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autotest/general.m4 b/lib/autotest/general.m4
index 794f680ae..1babc3ca0 100644
--- a/lib/autotest/general.m4
+++ b/lib/autotest/general.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                          -*- Autoconf -*-
 # M4 macros used in building test suites.
 m4_define([_AT_COPYRIGHT_YEARS], [
-Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+Copyright (C) 2000-2017, 2020-2023 Free Software Foundation, Inc.
 ])
 
 # This file is part of Autoconf.  This program is free
diff --git a/lib/autotest/specific.m4 b/lib/autotest/specific.m4
index 85c336e6c..8955adadc 100644
--- a/lib/autotest/specific.m4
+++ b/lib/autotest/specific.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                          -*- Autoconf -*-
 # M4 macros used in running tests using third-party testing tools.
 m4_define([_AT_COPYRIGHT_YEARS],
-[Copyright (C) 2009-2017, 2020-2022 Free Software Foundation, Inc.])
+[Copyright (C) 2009-2017, 2020-2023 Free Software Foundation, Inc.])
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/emacs/autoconf-mode.el b/lib/emacs/autoconf-mode.el
index 51ead5679..0d79e3053 100644
--- a/lib/emacs/autoconf-mode.el
+++ b/lib/emacs/autoconf-mode.el
@@ -6,7 +6,7 @@
 
 ;; This file is part of Autoconf
 
-;; Copyright (C) 2001, 2006, 2009-2017, 2020-2022 Free Software
+;; Copyright (C) 2001, 2006, 2009-2017, 2020-2023 Free Software
 ;; Foundation, Inc.
 ;;
 ;; This program is free software: you can redistribute it and/or modify
diff --git a/lib/emacs/autotest-mode.el b/lib/emacs/autotest-mode.el
index 22f32c262..84860df6f 100644
--- a/lib/emacs/autotest-mode.el
+++ b/lib/emacs/autotest-mode.el
@@ -5,7 +5,7 @@
 
 ;; This file is part of Autoconf
 
-;; Copyright (C) 2001, 2009-2017, 2020-2022 Free Software Foundation,
+;; Copyright (C) 2001, 2009-2017, 2020-2023 Free Software Foundation,
 ;; Inc.
 ;;
 ;; This program is free software: you can redistribute it and/or modify
diff --git a/lib/freeze.mk b/lib/freeze.mk
index 86e839333..12ed4f9d1 100644
--- a/lib/freeze.mk
+++ b/lib/freeze.mk
@@ -1,6 +1,6 @@
 # Freeze M4 files.
 
-# Copyright (C) 2002, 2004, 2006-2017, 2020-2022 Free Software
+# Copyright (C) 2002, 2004, 2006-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/local.mk b/lib/local.mk
index 1023706de..000cbf39c 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf-related libraries.
 
-# Copyright (C) 2001-2005, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2001-2005, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/m4sugar/foreach.m4 b/lib/m4sugar/foreach.m4
index 2f69e705a..753554f6b 100644
--- a/lib/m4sugar/foreach.m4
+++ b/lib/m4sugar/foreach.m4
@@ -4,7 +4,7 @@
 # Speeds up GNU M4 1.4.x by avoiding quadratic $@ recursion, but penalizes
 # GNU M4 1.6 by requiring more memory and macro expansions.
 #
-# Copyright (C) 2008-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index 01d3b5d64..46c06fdd0 100644
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -2,7 +2,7 @@
 # M4 sugar for common shell constructs.
 # Requires GNU M4 and M4sugar.
 #
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/m4sugar/m4sugar.m4 b/lib/m4sugar/m4sugar.m4
index 2fe5e0219..810d2ea0a 100644
--- a/lib/m4sugar/m4sugar.m4
+++ b/lib/m4sugar/m4sugar.m4
@@ -3,7 +3,7 @@ divert(-1)#                                                  -*- Autoconf -*-
 # Base M4 layer.
 # Requires GNU M4.
 #
-# Copyright (C) 1999-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2017, 2020-2023 Free Software Foundation, Inc.
 
 # This file is part of Autoconf.  This program is free
 # software; you can redistribute it and/or modify it under the
diff --git a/lib/version.in b/lib/version.in
index 7d404f271..ad69b981a 100644
--- a/lib/version.in
+++ b/lib/version.in
@@ -1,6 +1,6 @@
 # Version information for -*- Autoconf -*-.
 # @configure_input@
-# Copyright (C) 1999-2002, 2006-2007, 2009, 2021-2022 Free Software
+# Copyright (C) 1999-2002, 2006-2007, 2009, 2021-2023 Free Software
 # Foundation, Inc.
 
 m4_define([m4_PACKAGE_NAME],      [@PACKAGE_NAME@])
diff --git a/m4/m4.m4 b/m4/m4.m4
index 42612162c..e62031185 100644
--- a/m4/m4.m4
+++ b/m4/m4.m4
@@ -1,6 +1,6 @@
 # m4.m4 serial 13
 
-# Copyright (C) 2000, 2006-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2000, 2006-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # Copying and distribution of this file, with or without modification,
diff --git a/m4/make-case.m4 b/m4/make-case.m4
index b4233839d..c4af37e74 100644
--- a/m4/make-case.m4
+++ b/m4/make-case.m4
@@ -1,6 +1,6 @@
 # make-case.m4 serial 1
 
-# Copyright (C) 2008-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2017, 2020-2023 Free Software Foundation, Inc.
 
 # Copying and distribution of this file, with or without modification,
 # are permitted in any medium without royalty provided the notice and
diff --git a/m4/perl-time-hires.m4 b/m4/perl-time-hires.m4
index 87e3dff5e..2d9e64ec8 100644
--- a/m4/perl-time-hires.m4
+++ b/m4/perl-time-hires.m4
@@ -1,6 +1,6 @@
 # perl-time-hires.m4 serial 1
 
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 # Copying and distribution of this file, with or without modification,
 # are permitted in any medium without royalty provided the copyright
diff --git a/man/local.mk b/man/local.mk
index cbab58348..775c13195 100644
--- a/man/local.mk
+++ b/man/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf man pages.
 
-# Copyright (C) 2001, 2004-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2001, 2004-2017, 2020-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/atlocal.in b/tests/atlocal.in
index f72a2c2ab..591da53a2 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -2,7 +2,7 @@
 # @configure_input@
 # Configurable variable values for Autoconf test suite.
 
-# Copyright (C) 2000-2001, 2005, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2005, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/autoscan.at b/tests/autoscan.at
index 0b070cb98..8303ccc11 100644
--- a/tests/autoscan.at
+++ b/tests/autoscan.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Autoscan.])
 
-# Copyright (C) 2005, 2009-2017, 2020-2022 Free Software Foundation,
+# Copyright (C) 2005, 2009-2017, 2020-2023 Free Software Foundation,
 # Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/autotest.at b/tests/autotest.at
index c4b8cb86a..df9b738da 100644
--- a/tests/autotest.at
+++ b/tests/autotest.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Autotest.])
 
-# Copyright (C) 2004-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2017, 2020-2023 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/tests/base.at b/tests/base.at
index 0afc3f4a3..1806aee79 100644
--- a/tests/base.at
+++ b/tests/base.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Autoconf base layer.])
 
-# Copyright (C) 2000-2001, 2003, 2005-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2003, 2005-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/c.at b/tests/c.at
index 7259564e1..c37f43b10 100644
--- a/tests/c.at
+++ b/tests/c.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([C low level compiling/preprocessing macros.])
 
-# Copyright (C) 2000-2006, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2006, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/compile.at b/tests/compile.at
index 34ba2f85a..186330a20 100644
--- a/tests/compile.at
+++ b/tests/compile.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Low level compiling/preprocessing macros.])
 
-# Copyright (C) 2000-2001, 2003, 2005-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2003, 2005-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/erlang.at b/tests/erlang.at
index c92ca78c8..e914b5d4c 100644
--- a/tests/erlang.at
+++ b/tests/erlang.at
@@ -8,7 +8,7 @@
 
 AT_BANNER([Erlang low level compiling and utility macros.])
 
-# Copyright (C) 2009-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2017, 2020-2023 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/tests/foreign.at b/tests/foreign.at
index b4628e385..6a1eb1b57 100644
--- a/tests/foreign.at
+++ b/tests/foreign.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Compatibility with external tools and macros.])
 
-# Copyright (C) 2000-2007, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2007, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/fortran.at b/tests/fortran.at
index 473b39f63..87eba8ff9 100644
--- a/tests/fortran.at
+++ b/tests/fortran.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Fortran low level compiling/preprocessing macros.])
 
-# Copyright (C) 2000-2001, 2003, 2008-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2003, 2008-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/go.at b/tests/go.at
index 6cbfa6dcb..5a6a55c7f 100644
--- a/tests/go.at
+++ b/tests/go.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Go low level compiling and utility macros.])
 
-# Copyright (C) 2011-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2017, 2020-2023 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/tests/local.at b/tests/local.at
index 158ba841d..64a9fb264 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -1,6 +1,6 @@
 # M4 macros used in building Autoconf test suites.        -*- Autotest -*-
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/local.mk b/tests/local.mk
index 4b4d970ef..c100f0c12 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -1,6 +1,6 @@
 ## Make Autoconf tests.
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/m4sh.at b/tests/m4sh.at
index b9ee65784..75e1e3d96 100644
--- a/tests/m4sh.at
+++ b/tests/m4sh.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([M4sh.])
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/m4sugar.at b/tests/m4sugar.at
index a13483c06..2f1dbe37b 100644
--- a/tests/m4sugar.at
+++ b/tests/m4sugar.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([M4sugar.])
 
-# Copyright (C) 2000-2002, 2005-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2002, 2005-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/mktests.pl b/tests/mktests.pl
index f4acfb80b..f44c070d2 100644
--- a/tests/mktests.pl
+++ b/tests/mktests.pl
@@ -2,7 +2,7 @@
 
 # Build some of the Autoconf test files.
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/semantics.at b/tests/semantics.at
index 276d97446..3a0e946c0 100644
--- a/tests/semantics.at
+++ b/tests/semantics.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Semantics.])
 
-# Copyright (C) 2000-2002, 2004-2007, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2002, 2004-2007, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/statesave.m4 b/tests/statesave.m4
index 4b048b86a..fc4b0fb26 100644
--- a/tests/statesave.m4
+++ b/tests/statesave.m4
@@ -1,6 +1,6 @@
 # statesave.m4 serial 2
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/suite.at b/tests/suite.at
index b3967f4af..ff4abac69 100644
--- a/tests/suite.at
+++ b/tests/suite.at
@@ -1,6 +1,6 @@
 # Validation suite for Autoconf                           -*- Autotest -*-
 
-# Copyright (C) 2000-2001, 2003-2005, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2003-2005, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/tools.at b/tests/tools.at
index bd225e042..e19596703 100644
--- a/tests/tools.at
+++ b/tests/tools.at
@@ -2,7 +2,7 @@
 
 AT_BANNER([Executables (autoheader, autoupdate...).])
 
-# Copyright (C) 2000-2001, 2003-2004, 2006-2017, 2020-2022 Free Software
+# Copyright (C) 2000-2001, 2003-2004, 2006-2017, 2020-2023 Free Software
 # Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/tests/torture.at b/tests/torture.at
index 38225b167..ba52e12dc 100644
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -1,6 +1,6 @@
 #							-*- Autotest -*-
 
-# Copyright (C) 2000-2017, 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2023 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/tests/wrapper.as b/tests/wrapper.as
index 0954b5987..4ffbc4362 100644
--- a/tests/wrapper.as
+++ b/tests/wrapper.as
@@ -1,7 +1,7 @@
 AS_INIT[]dnl                                            -*- shell-script -*-
 # wrapper.as -- running '@wrap_program@' as if it were installed.
 # @configure_input@
-# Copyright (C) 2003-2004, 2007, 2009-2017, 2020-2022 Free Software
+# Copyright (C) 2003-2004, 2007, 2009-2017, 2020-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify