autoconf: make update-copyright (ef27f)

https://github.com/libsdl-org/autoconf/commit/ef27f692a01d9683df7e589d7de53338e841d356

From ef27f692a01d9683df7e589d7de53338e841d356 Mon Sep 17 00:00:00 2001
From: Paul Eggert <[EMAIL REDACTED]>
Date: Thu, 19 May 2022 13:57:10 -0700
Subject: [PATCH] make update-copyright

---
 AUTHORS                    | 2 +-
 BUGS                       | 2 +-
 HACKING                    | 2 +-
 Makefile.am                | 2 +-
 NEWS                       | 2 +-
 README                     | 2 +-
 README-alpha               | 2 +-
 README-hacking             | 2 +-
 THANKS                     | 2 +-
 TODO                       | 2 +-
 bin/autoconf.in            | 2 +-
 bin/autoheader.in          | 2 +-
 bin/autom4te.in            | 2 +-
 bin/autoreconf.in          | 2 +-
 bin/autoscan.in            | 2 +-
 bin/autoupdate.in          | 2 +-
 bin/ifnames.in             | 2 +-
 bin/local.mk               | 2 +-
 bootstrap                  | 2 +-
 build-aux/fetch.pl         | 2 +-
 build-aux/help-extract.pl  | 2 +-
 cfg.mk                     | 2 +-
 configure.ac               | 4 ++--
 doc/autoconf.texi          | 2 +-
 doc/install.texi           | 2 +-
 doc/local.mk               | 2 +-
 lib/Autom4te/C4che.pm      | 2 +-
 lib/Autom4te/Config.pm     | 2 +-
 lib/Autom4te/General.pm    | 2 +-
 lib/Autom4te/Request.pm    | 2 +-
 lib/autoconf/autoconf.m4   | 2 +-
 lib/autoconf/autoheader.m4 | 2 +-
 lib/autoconf/autoscan.m4   | 2 +-
 lib/autoconf/autotest.m4   | 2 +-
 lib/autoconf/autoupdate.m4 | 2 +-
 lib/autoconf/c.m4          | 2 +-
 lib/autoconf/erlang.m4     | 2 +-
 lib/autoconf/fortran.m4    | 2 +-
 lib/autoconf/functions.m4  | 2 +-
 lib/autoconf/general.m4    | 2 +-
 lib/autoconf/go.m4         | 2 +-
 lib/autoconf/headers.m4    | 2 +-
 lib/autoconf/lang.m4       | 2 +-
 lib/autoconf/libs.m4       | 2 +-
 lib/autoconf/oldnames.m4   | 2 +-
 lib/autoconf/programs.m4   | 2 +-
 lib/autoconf/specific.m4   | 2 +-
 lib/autoconf/status.m4     | 2 +-
 lib/autoconf/types.m4      | 2 +-
 lib/autom4te.in            | 2 +-
 lib/autoscan/autoscan.pre  | 2 +-
 lib/autotest/autotest.m4   | 2 +-
 lib/autotest/general.m4    | 2 +-
 lib/autotest/specific.m4   | 2 +-
 lib/emacs/autoconf-mode.el | 2 +-
 lib/emacs/autotest-mode.el | 2 +-
 lib/freeze.mk              | 2 +-
 lib/local.mk               | 2 +-
 lib/m4sugar/foreach.m4     | 2 +-
 lib/m4sugar/m4sh.m4        | 2 +-
 lib/m4sugar/m4sugar.m4     | 2 +-
 lib/version.in             | 4 ++--
 m4/m4.m4                   | 2 +-
 m4/make-case.m4            | 2 +-
 man/local.mk               | 2 +-
 tests/atlocal.in           | 2 +-
 tests/autoscan.at          | 2 +-
 tests/autotest.at          | 2 +-
 tests/base.at              | 2 +-
 tests/c.at                 | 2 +-
 tests/compile.at           | 2 +-
 tests/erlang.at            | 2 +-
 tests/foreign.at           | 2 +-
 tests/fortran.at           | 2 +-
 tests/go.at                | 2 +-
 tests/local.at             | 2 +-
 tests/local.mk             | 2 +-
 tests/m4sh.at              | 2 +-
 tests/m4sugar.at           | 2 +-
 tests/mktests.pl           | 2 +-
 tests/semantics.at         | 2 +-
 tests/statesave.m4         | 2 +-
 tests/suite.at             | 2 +-
 tests/tools.at             | 2 +-
 tests/torture.at           | 2 +-
 tests/wrapper.as           | 2 +-
 86 files changed, 88 insertions(+), 88 deletions(-)

diff --git a/AUTHORS b/AUTHORS
index 1308bbae..1d73d4c3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -111,7 +111,7 @@ mode: text
 coding: utf-8
 End:
 
-Copyright (C) 1996, 2000-2001, 2005, 2007-2017, 2020-2021 Free Software
+Copyright (C) 1996, 2000-2001, 2005, 2007-2017, 2020-2022 Free Software
 Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
diff --git a/BUGS b/BUGS
index cea260c2..0c129f42 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, 2020-2021 Free Software
+	Copyright (C) 2000-2002, 2006-2017, 2020-2022 Free Software
 	Foundation, Inc.
 
 	Copying and distribution of this file, with or without
diff --git a/HACKING b/HACKING
index 36932f19..0d32da5e 100644
--- a/HACKING
+++ b/HACKING
@@ -155,7 +155,7 @@ that needs to be updated.
 
 -----
 
-Copyright (C) 2002, 2008-2017, 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2002, 2008-2017, 2020-2022 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 2ea1dc15..0f2d945a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 # Make Autoconf.
 
-# Copyright (C) 1999-2004, 2006-2017, 2020-2021 Free Software
+# Copyright (C) 1999-2004, 2006-2017, 2020-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/NEWS b/NEWS
index 818ba1f4..4e41345d 100644
--- a/NEWS
+++ b/NEWS
@@ -2620,7 +2620,7 @@ Various bug fixes.
 
 -----
 
-Copyright (C) 1993-1996, 1998-2017, 2020-2021 Free Software Foundation,
+Copyright (C) 1993-1996, 1998-2017, 2020-2022 Free Software Foundation,
 Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README b/README
index 67958457..f6bafdbb 100644
--- a/README
+++ b/README
@@ -76,7 +76,7 @@ We are looking forward to hacking with you!
 
 -----
 
-Copyright (C) 1992-1994, 1998, 2000-2017, 2020-2021 Free Software
+Copyright (C) 1992-1994, 1998, 2000-2017, 2020-2022 Free Software
 Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README-alpha b/README-alpha
index 574f6e03..f0d78274 100644
--- a/README-alpha
+++ b/README-alpha
@@ -22,7 +22,7 @@ users.
 
 -----
 
-Copyright (C) 2000-2003, 2009-2017, 2020-2021 Free Software Foundation,
+Copyright (C) 2000-2003, 2009-2017, 2020-2022 Free Software Foundation,
 Inc.
 
 Copying and distribution of this file, with or without modification,
diff --git a/README-hacking b/README-hacking
index c2890f63..b4189ee4 100644
--- a/README-hacking
+++ b/README-hacking
@@ -137,7 +137,7 @@ Enjoy!
 
 -----
 
-Copyright (C) 2002-2017, 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2002-2017, 2020-2022 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 7b0aba29..b1a11897 100644
--- a/THANKS
+++ b/THANKS
@@ -459,7 +459,7 @@ mode: text
 coding: utf-8
 End:
 
-Copyright (C) 1999-2017, 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 1999-2017, 2020-2022 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 2923974c..feaa8cc9 100644
--- a/TODO
+++ b/TODO
@@ -591,7 +591,7 @@ with autoconf scripts.
 
 ------------------------------------------------------------------------------
 
-Copyright (C) 1994-1996, 1999-2002, 2007-2017, 2020-2021 Free Software
+Copyright (C) 1994-1996, 1999-2002, 2007-2017, 2020-2022 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 706027e4..b96a7781 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, 2020-2021 Free Software
+# Copyright (C) 1992-1994, 1996, 1999-2017, 2020-2022 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 1cbf5091..eca5d06b 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, 2020-2021 Free Software
+# Copyright (C) 1992-1994, 1996, 1998-2017, 2020-2022 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 7ebe419c..546ab605 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, 2020-2021 Free Software
+# Copyright (C) 2001-2003, 2005-2017, 2020-2022 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 ec391a6d..5aaf26b2 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2022 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 b89fd1a6..a33c4a87 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2022 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 b5804880..1c7c63c5 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 1994, 1999-2017, 2020-2022 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 b04947f2..176244ff 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, 2020-2021 Free Software
+# Copyright (C) 1994-1995, 1999-2003, 2005-2017, 2020-2022 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 9a11589d..9d82a719 100644
--- a/bin/local.mk
+++ b/bin/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf commands.
 
-# Copyright (C) 1999-2007, 2009-2017, 2020-2021 Free Software
+# Copyright (C) 1999-2007, 2009-2017, 2020-2022 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/bootstrap b/bootstrap
index f3b0b6e8..16c758de 100755
--- a/bootstrap
+++ b/bootstrap
@@ -2,7 +2,7 @@
 
 # This script helps bootstrap autoconf, when checked out from git.
 #
-# Copyright (C) 2021 Free Software Foundation, Inc.
+# Copyright (C) 2021-2022 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 e41b5f1d..e4a4a484 100755
--- a/build-aux/fetch.pl
+++ b/build-aux/fetch.pl
@@ -1,5 +1,5 @@
 #! /usr/bin/perl
-# Copyright (C) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 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 75192ced..bcec8504 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) 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2020-2022 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 6a89e489..7e515130 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 # Customize maint.mk for Autoconf.            -*- Makefile -*-
-# Copyright (C) 2003-2004, 2006, 2008-2017, 2020-2021 Free Software
+# Copyright (C) 2003-2004, 2006, 2008-2017, 2020-2022 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 8a8958ed..9362ddf3 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, 2020-2021 Free Software
+# Copyright (C) 1992-1995, 1999-2017, 2020-2022 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=2021
+RELEASE_YEAR=2022
 AC_SUBST([RELEASE_YEAR])
 
 AB_INIT
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 245fbe87..375e8eab 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--2021 Free Software
+Copyright @copyright{} 1992--1996, 1998--2017, 2020--2022 Free Software
 Foundation, Inc.
 
 @quotation
diff --git a/doc/install.texi b/doc/install.texi
index 3bedb4ef..dfe75e34 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--2021
+Copyright @copyright{} 1994--1996, 1999--2002, 2004--2017, 2020--2022
 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 e3e69f23..3a42e658 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf documentation.
 
-# Copyright (C) 2000-2003, 2007-2017, 2020-2021 Free Software
+# Copyright (C) 2000-2003, 2007-2017, 2020-2022 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 5fe391ed..9276eb60 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, 2020-2021 Free Software
+# Copyright (C) 2003, 2006, 2009-2017, 2020-2022 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 afb4f8f2..405c671f 100644
--- a/lib/Autom4te/Config.pm
+++ b/lib/Autom4te/Config.pm
@@ -1,5 +1,5 @@
 #  -*- Perl -*-
-# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+# Copyright (C) 2003-2022 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 e2f3d6d3..727f2975 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, 2020-2021 Free Software
+# Copyright (C) 2001-2004, 2006-2007, 2009-2017, 2020-2022 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 308a8922..1641666d 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, 2020-2021 Free Software
+# Copyright (C) 2001-2003, 2009-2017, 2020-2022 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 fa909562..38e5fa9e 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, 2020-2021 Free
+# Copyright (C) 1994, 1999-2002, 2006, 2008-2017, 2020-2022 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 bbd691f5..e326aeb1 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2002, 2008-2017, 2020-2022 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 be194f66..f26f02e6 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 2002, 2009-2017, 2020-2022 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 0ffb9ec7..40383c09 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2005, 2009-2017, 2020-2022 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 4c05786f..adef7fb4 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,
-# 2020-2021 Free Software Foundation, Inc.
+# 2020-2022 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 42fbcbd0..b0c2bf84 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, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2017, 2020-2022 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 50bc9313..d7ec25ab 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 2006, 2008-2017, 2020-2022 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 1d2bdda3..d8e4e6b1 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, 2020-2021 Free Software Foundation,
+# Copyright (C) 2001, 2003-2017, 2020-2022 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 30273b1f..e7c54846 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, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2022 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 ee38d8ff..3a0e47b9 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, 2020-2021 Free Software Foundation,
+Copyright (C) 1992-1996, 1998-2017, 2020-2022 Free Software Foundation,
 Inc.
 ])
 
diff --git a/lib/autoconf/go.m4 b/lib/autoconf/go.m4
index ac91cddf..953ceb2e 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, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2011-2017, 2020-2022 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 1e3f749c..8944da41 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, 2020-2021 Free
+# Copyright (C) 1988, 1999-2004, 2006, 2008-2017, 2020-2022 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 2cf79b6b..d524e070 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, 2020-2021 Free Software
+# Copyright (C) 2000-2002, 2004-2017, 2020-2022 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 4b2c9a1a..a9350c37 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2006, 2008-2017, 2020-2022 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 671b523f..116f7ef5 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, 2020-2021 Free
+# Copyright (C) 1994, 1999-2001, 2003, 2009-2017, 2020-2022 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 b5415176..67435a9f 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2022 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 3e61b953..757d678b 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2022 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 92e1c30e..8705b958 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, 2020-2021 Free Software
+# Copyright (C) 1992-1996, 1998-2017, 2020-2022 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 5f6bbc41..5cbc193a 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, 2020-2021 Free Software
+# Copyright (C) 2000-2002, 2004-2017, 2020-2022 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 9e86c9ff..f05f6666 100644
--- a/lib/autom4te.in
+++ b/lib/autom4te.in
@@ -1,6 +1,6 @@
 # Definition of Autom4te option sets.                     -*- Makefile -*-
 #
-# Copyright (C) 2001-2017, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2017, 2020-2022 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 85797e65..6e47c762 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, 2020-2021 Free
+# Copyright (C) 1992-1994, 1996, 1999-2002, 2009-2017, 2020-2022 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 76d410be..78183cfc 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, 2020-2021 Free Software
+# Copyright (C) 2000-2002, 2009-2017, 2020-2022 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 ef8a962b..794f680a 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, 2020-2021 Free Software Foundation, Inc.
+Copyright (C) 2000-2017, 2020-2022 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 3558205a..85c336e6 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, 2020-2021 Free Software Foundation, Inc.])
+[Copyright (C) 2009-2017, 2020-2022 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 509502c7..51ead567 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, 2020-2021 Free Software
+;; Copyright (C) 2001, 2006, 2009-2017, 2020-2022 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 f34941ea..22f32c26 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, 2020-2021 Free Software Foundation,
+;; Copyright (C) 2001, 2009-2017, 2020-2022 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 d22a962c..86e83933 100644
--- a/lib/freeze.mk
+++ b/lib/freeze.mk
@@ -1,6 +1,6 @@
 # Freeze M4 files.
 
-# Copyright (C) 2002, 2004, 2006-2017, 2020-2021 Free Software
+# Copyright (C) 2002, 2004, 2006-2017, 2020-2022 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 501aa9dd..1023706d 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -1,6 +1,6 @@
 # Make Autoconf-related libraries.
 
-# Copyright (C) 2001-2005, 2009-2017, 2020-2021 Free Software
+# Copyright (C) 2001-2005, 2009-2017, 2020-2022 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 29d07a1b..2f69e705 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, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2008-2017, 2020-2022 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 8323eb1d..fc46f6d4 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, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2000-2017, 2020-2022 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 a1a8950c..3bca80bb 100644
--- a/lib/m4sugar/m4sugar.m4
+++ b/lib/m4sugar/m4sugar.m4
@@ -3,7 +3,7 @@ divert(-1)#                                                  -*- Autoconf -*-
 # Base M4 layer.
 # Requires GNU M4.
 #
-# Copy

(Patch may be truncated, please check the link at the top of this post.)