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authorMike Frysinger <vapier@gentoo.org>2023-01-04 02:00:14 -0500
committerMike Frysinger <vapier@gentoo.org>2023-01-04 02:00:14 -0500
commit34bdde960f2bccec96b86fa09cfd33363f4c3e52 (patch)
treed6a6d991c7cb50fc089360f3ab09908eeacaf268
parent2418a6c2e2e8970bf3a1778737b7c96f713c8571 (diff)
downloadautomake-34bdde960f2bccec96b86fa09cfd33363f4c3e52.tar.gz
maint: make update-copyright
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-rw-r--r--t/test-driver-custom-no-extra-driver.sh2
-rw-r--r--t/test-driver-custom-xfail-tests.sh2
-rw-r--r--t/test-driver-custom.sh2
-rw-r--r--t/test-driver-fail.sh2
-rw-r--r--t/test-driver-is-distributed.sh2
-rw-r--r--t/test-driver-strip-vpath.sh2
-rw-r--r--t/test-driver-trs-suffix-registered.sh2
-rw-r--r--t/test-extensions-cond.sh2
-rw-r--r--t/test-extensions-empty.sh2
-rw-r--r--t/test-extensions.sh2
-rw-r--r--t/test-harness-vpath-rewrite.sh2
-rw-r--r--t/test-log.sh2
-rw-r--r--t/test-logs-repeated.sh2
-rw-r--r--t/test-metadata-global-log.sh2
-rw-r--r--t/test-metadata-global-result.sh2
-rw-r--r--t/test-metadata-recheck.sh2
-rw-r--r--t/test-metadata-results.sh2
-rw-r--r--t/test-missing.sh2
-rw-r--r--t/test-missing2.sh2
-rw-r--r--t/test-trs-basic.sh2
-rw-r--r--t/test-trs-recover.sh2
-rw-r--r--t/test-trs-recover2.sh2
-rw-r--r--t/tests-environment-and-log-compiler.sh2
-rw-r--r--t/tests-environment-backcompat.sh2
-rw-r--r--t/tests-environment-fd-redirect.sh2
-rw-r--r--t/tests-environment.sh2
-rw-r--r--t/testsuite-summary-color.sh2
-rw-r--r--t/testsuite-summary-count-many.sh2
-rw-r--r--t/testsuite-summary-count.sh2
-rw-r--r--t/testsuite-summary-header.sh2
-rw-r--r--t/testsuite-summary-reference-log.sh2
-rw-r--r--t/toplevelmd.sh2
-rw-r--r--t/transform.sh2
-rw-r--r--t/transform2.sh2
-rw-r--r--t/transform3.sh2
-rw-r--r--t/txinfo-absolute-srcdir-pr408.sh2
-rw-r--r--t/txinfo-add-missing-and-dist.sh2
-rw-r--r--t/txinfo-bsd-make-recurs.sh2
-rw-r--r--t/txinfo-builddir.sh2
-rw-r--r--t/txinfo-clean.sh2
-rw-r--r--t/txinfo-dvi-recurs.sh2
-rw-r--r--t/txinfo-include.sh2
-rw-r--r--t/txinfo-info-in-srcdir.sh2
-rw-r--r--t/txinfo-makeinfo-error-no-clobber.sh2
-rw-r--r--t/txinfo-many-output-formats-vpath.sh2
-rw-r--r--t/txinfo-many-output-formats.sh2
-rw-r--r--t/txinfo-no-clutter.sh2
-rw-r--r--t/txinfo-no-extra-dist.sh2
-rw-r--r--t/txinfo-no-installinfo.sh2
-rw-r--r--t/txinfo-no-repeated-targets.sh2
-rw-r--r--t/txinfo-no-setfilename-no-inputs.sh2
-rw-r--r--t/txinfo-no-setfilename.sh2
-rw-r--r--t/txinfo-nodist-info.sh2
-rw-r--r--t/txinfo-other-suffixes.sh2
-rw-r--r--t/txinfo-override-infodeps.sh2
-rw-r--r--t/txinfo-override-texinfo-tex.sh2
-rw-r--r--t/txinfo-setfilename-repeated.sh2
-rw-r--r--t/txinfo-setfilename-suffix-strip.sh2
-rw-r--r--t/txinfo-subdir-pr343.sh2
-rw-r--r--t/txinfo-tex-dist.sh2
-rw-r--r--t/txinfo-unrecognized-extension.sh2
-rw-r--r--t/txinfo-unrecognized-info-suffix.sh2
-rw-r--r--t/txinfo-vtexi.sh2
-rw-r--r--t/txinfo-vtexi2.sh2
-rw-r--r--t/txinfo-vtexi3.sh2
-rw-r--r--t/txinfo-vtexi4.sh2
-rw-r--r--t/txinfo-without-info-suffix.sh2
-rw-r--r--t/txinfo19.sh2
-rw-r--r--t/txinfo23.sh2
-rw-r--r--t/txinfo24.sh2
-rw-r--r--t/txinfo25.sh2
-rw-r--r--t/txinfo28.sh2
-rw-r--r--t/uninstall-fail.sh2
-rw-r--r--t/uninstall-pr9578.sh2
-rw-r--r--t/unused.sh2
-rw-r--r--t/upc.sh2
-rw-r--r--t/upc2.sh2
-rw-r--r--t/upc3.sh2
-rw-r--r--t/vala-configure.sh2
-rw-r--r--t/vala-grepping.sh2
-rw-r--r--t/vala-headers.sh2
-rw-r--r--t/vala-libs-distcheck.sh2
-rw-r--r--t/vala-libs-vpath.sh2
-rw-r--r--t/vala-libs.sh2
-rw-r--r--t/vala-mix.sh2
-rw-r--r--t/vala-mix2.sh2
-rw-r--r--t/vala-non-recursive-setup.sh2
-rw-r--r--t/vala-parallel.sh2
-rw-r--r--t/vala-per-target-flags.sh2
-rw-r--r--t/vala-recursive-setup.sh2
-rw-r--r--t/vala-vapi.sh2
-rw-r--r--t/vala-vpath.sh2
-rw-r--r--t/var-recurs.sh2
-rw-r--r--t/var-recurs2.sh2
-rw-r--r--t/vars.sh2
-rw-r--r--t/vars3.sh2
-rw-r--r--t/vartar.sh2
-rw-r--r--t/vartypo2.sh2
-rw-r--r--t/vartypos.sh2
-rw-r--r--t/version3.sh2
-rw-r--r--t/version4.sh2
-rw-r--r--t/version6.sh2
-rw-r--r--t/version7.sh2
-rw-r--r--t/version8.sh2
-rw-r--r--t/vpath.sh2
-rw-r--r--t/warning-groups-win-over-strictness.sh2
-rw-r--r--t/warnings-obsolete-default.sh2
-rw-r--r--t/warnings-override.sh2
-rw-r--r--t/warnings-precedence.sh2
-rw-r--r--t/warnings-strictness-interactions.sh2
-rw-r--r--t/warnings-unknown.sh2
-rw-r--r--t/warnings-win-over-strictness.sh2
-rw-r--r--t/warnopts.sh2
-rw-r--r--t/werror.sh2
-rw-r--r--t/werror2.sh2
-rw-r--r--t/werror3.sh2
-rw-r--r--t/werror4.sh2
-rw-r--r--t/whoami.sh2
-rw-r--r--t/xsource.sh2
-rw-r--r--t/yacc-auxdir.sh2
-rw-r--r--t/yacc-basic.sh2
-rw-r--r--t/yacc-bison-skeleton-cxx.sh2
-rw-r--r--t/yacc-bison-skeleton.sh2
-rw-r--r--t/yacc-clean-cxx.sh2
-rw-r--r--t/yacc-clean.sh2
-rw-r--r--t/yacc-cxx-grepping.sh2
-rw-r--r--t/yacc-cxx.sh2
-rw-r--r--t/yacc-d-basic.sh2
-rw-r--r--t/yacc-d-cxx.sh2
-rw-r--r--t/yacc-d-vpath.sh2
-rw-r--r--t/yacc-deleted-headers.sh2
-rw-r--r--t/yacc-depend.sh2
-rw-r--r--t/yacc-depend2.sh2
-rw-r--r--t/yacc-dist-nobuild-subdir.sh2
-rw-r--r--t/yacc-dist-nobuild.sh2
-rw-r--r--t/yacc-dry.sh2
-rw-r--r--t/yacc-grepping.sh2
-rw-r--r--t/yacc-grepping2.sh2
-rw-r--r--t/yacc-headers-and-dist-pr47.sh2
-rw-r--r--t/yacc-line.sh2
-rw-r--r--t/yacc-misc.sh2
-rw-r--r--t/yacc-mix-c-cxx.sh2
-rw-r--r--t/yacc-nodist.sh2
-rw-r--r--t/yacc-pr204.sh2
-rw-r--r--t/yacc-subdir.sh2
-rw-r--r--t/yacc-vpath.sh2
-rw-r--r--t/yacc-weirdnames.sh2
-rw-r--r--t/yflags-cmdline-override.sh2
-rw-r--r--t/yflags-conditional.sh2
-rw-r--r--t/yflags-cxx.sh2
-rw-r--r--t/yflags-d-false-positives.sh2
-rw-r--r--t/yflags-force-conditional.sh2
-rw-r--r--t/yflags-force-override.sh2
-rw-r--r--t/yflags-var-expand.sh2
-rw-r--r--t/yflags.sh2
1466 files changed, 1468 insertions, 1470 deletions
diff --git a/GNUmakefile b/GNUmakefile
index f86723811..c0ef182c0 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,6 +1,6 @@
# Maintainer makefile for Automake. Requires GNU make.
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/HACKING b/HACKING
index 88d5274a9..26b01c5e6 100644
--- a/HACKING
+++ b/HACKING
@@ -527,7 +527,7 @@
<https://lists.gnu.org/archive/html/automake/>).
---------
-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/Makefile.am b/Makefile.am
index 3d489cf80..8a4850384 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,7 +2,7 @@
## Makefile for Automake.
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 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/NEWS b/NEWS
index 3efede736..8cba8b3fe 100644
--- a/NEWS
+++ b/NEWS
@@ -3146,7 +3146,7 @@ New in 0.20:
-----
-Copyright (C) 1995-2022 Free Software Foundation, Inc.
+Copyright (C) 1995-2023 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/NEWS-2.0 b/NEWS-2.0
index 91b6b933a..511e0531e 100644
--- a/NEWS-2.0
+++ b/NEWS-2.0
@@ -81,7 +81,7 @@ warranted. For more info, see the ./PLANS/ directory.
-----
-Copyright (C) 1995-2022 Free Software Foundation, Inc.
+Copyright (C) 1995-2023 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/bin/aclocal.in b/bin/aclocal.in
index 0b41dcf65..f04cb30d8 100644
--- a/bin/aclocal.in
+++ b/bin/aclocal.in
@@ -1,7 +1,7 @@
#!@PERL@
# aclocal - create aclocal.m4 by scanning configure.ac -*- perl -*-
# @configure_input@
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/bin/automake.in b/bin/automake.in
index c094234bc..b847a0993 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -1,7 +1,7 @@
#!@PERL@
# automake - create Makefile.in from Makefile.am -*- perl -*-
# @configure_input@
-# Copyright (C) 1994-2022 Free Software Foundation, Inc.
+# Copyright (C) 1994-2023 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/bin/local.mk b/bin/local.mk
index 54ab0fc79..8310fd6fb 100644
--- a/bin/local.mk
+++ b/bin/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/bootstrap b/bootstrap
index 7a7bba473..69b4dd616 100755
--- a/bootstrap
+++ b/bootstrap
@@ -2,7 +2,7 @@
# This script helps bootstrap automake, when checked out from git.
#
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 Free Software Foundation, Inc.
# Originally written by Pavel Roskin <proski@gnu.org> September 2002.
#
# This program is free software; you can redistribute it and/or modify
@@ -42,7 +42,7 @@ PACKAGE=automake
datadir=.
# This should be automatically updated by the 'update-copyright'
# rule of our Makefile.
-RELEASE_YEAR=2022
+RELEASE_YEAR=2023
# Override SHELL. This is required on DJGPP so that Perl's system()
# uses bash, not COMMAND.COM which doesn't quote arguments properly.
diff --git a/configure.ac b/configure.ac
index 83448919a..dcf2d9556 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
# Process this file with autoconf to produce a configure script.
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 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
@@ -44,7 +44,7 @@ AM_INIT_AUTOMAKE([-Wall -Werror dist-xz filename-length-max=99
# Keep this on a line of its own, since it must be found and processed
# by the 'update-copyright' rule in our Makefile.
-RELEASE_YEAR=2022
+RELEASE_YEAR=2023
AC_SUBST([RELEASE_YEAR])
# The API version is the base version. We must guarantee
diff --git a/contrib/check-html.am b/contrib/check-html.am
index 56a2ccbff..1588acf2e 100644
--- a/contrib/check-html.am
+++ b/contrib/check-html.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/contrib/multilib/config-ml.in b/contrib/multilib/config-ml.in
index ce8906e95..fa36a5cf7 100644
--- a/contrib/multilib/config-ml.in
+++ b/contrib/multilib/config-ml.in
@@ -1,7 +1,7 @@
# Configure fragment invoked in the post-target section for subdirs
# wanting multilib support.
#
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 Free Software Foundation, Inc.
#
# This file 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/contrib/multilib/multi.m4 b/contrib/multilib/multi.m4
index 16106819e..9c5079a95 100644
--- a/contrib/multilib/multi.m4
+++ b/contrib/multilib/multi.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/contrib/multilib/multilib.am b/contrib/multilib/multilib.am
index 255b2b354..949f85731 100644
--- a/contrib/multilib/multilib.am
+++ b/contrib/multilib/multilib.am
@@ -1,6 +1,6 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 Free Software Foundation, Inc.
## This Makefile.in is free software; the Free Software Foundation
## gives unlimited permission to copy and/or distribute it,
## with or without modifications, as long as this notice is preserved.
diff --git a/contrib/multilib/symlink-tree b/contrib/multilib/symlink-tree
index 55f4e6091..5bb62afeb 100755
--- a/contrib/multilib/symlink-tree
+++ b/contrib/multilib/symlink-tree
@@ -1,7 +1,7 @@
#!/bin/sh
# Create a symlink tree.
#
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 Free Software Foundation, Inc.
#
# This file 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/contrib/t/help-multilib.sh b/contrib/t/help-multilib.sh
index 0c3f8c37f..4b268315c 100755
--- a/contrib/t/help-multilib.sh
+++ b/contrib/t/help-multilib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/contrib/t/local.mk b/contrib/t/local.mk
index 43f9badc8..fcfc68934 100644
--- a/contrib/t/local.mk
+++ b/contrib/t/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/contrib/t/multilib.sh b/contrib/t/multilib.sh
index 02d795e47..0a6994804 100755
--- a/contrib/t/multilib.sh
+++ b/contrib/t/multilib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/contrib/t/parallel-tests-html-recursive.sh b/contrib/t/parallel-tests-html-recursive.sh
index 9749ccedf..75c39f91a 100755
--- a/contrib/t/parallel-tests-html-recursive.sh
+++ b/contrib/t/parallel-tests-html-recursive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/contrib/t/parallel-tests-html.sh b/contrib/t/parallel-tests-html.sh
index f8de8fadc..ca74dd4c1 100755
--- a/contrib/t/parallel-tests-html.sh
+++ b/contrib/t/parallel-tests-html.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/contrib/tap-driver.pl b/contrib/tap-driver.pl
index fc19334e5..5a401d443 100755
--- a/contrib/tap-driver.pl
+++ b/contrib/tap-driver.pl
@@ -1,5 +1,5 @@
#! /usr/bin/env perl
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/contrib/test-driver.scm b/contrib/test-driver.scm
index 460c8bfa4..61d3bd8d4 100644
--- a/contrib/test-driver.scm
+++ b/contrib/test-driver.scm
@@ -2,7 +2,7 @@
(define script-version "2018-03-25.05") ;UTC
-;;; Copyright © 2015-2022 Free Software Foundation, Inc.
+;;; Copyright © 2015-2023 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/doc/amhello/Makefile.am b/doc/amhello/Makefile.am
index 1f0f1663e..1346137e8 100644
--- a/doc/amhello/Makefile.am
+++ b/doc/amhello/Makefile.am
@@ -1,4 +1,4 @@
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 Free Software Foundation, Inc.
# This Makefile.am is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
diff --git a/doc/amhello/configure.ac b/doc/amhello/configure.ac
index b78c440b6..5975510a8 100644
--- a/doc/amhello/configure.ac
+++ b/doc/amhello/configure.ac
@@ -1,4 +1,4 @@
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 Free Software Foundation, Inc.
# This configure.ac script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
diff --git a/doc/amhello/src/Makefile.am b/doc/amhello/src/Makefile.am
index eaddecc53..18ecebbb2 100644
--- a/doc/amhello/src/Makefile.am
+++ b/doc/amhello/src/Makefile.am
@@ -1,4 +1,4 @@
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 Free Software Foundation, Inc.
# This Makefile.am is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
diff --git a/doc/amhello/src/main.c b/doc/amhello/src/main.c
index 854b2bf31..1677fed41 100644
--- a/doc/amhello/src/main.c
+++ b/doc/amhello/src/main.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2023 Free Software Foundation, Inc.
This program is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it. */
diff --git a/doc/automake-history.texi b/doc/automake-history.texi
index ac688f4a6..9f8e3a7ee 100644
--- a/doc/automake-history.texi
+++ b/doc/automake-history.texi
@@ -10,7 +10,7 @@
This manual describes (part of) the history of GNU Automake, a program
that creates GNU standards-compliant Makefiles from template files.
-Copyright @copyright{} 1995--2022 Free Software Foundation, Inc.
+Copyright @copyright{} 1995--2023 Free Software Foundation, Inc.
@quotation
Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/automake.texi b/doc/automake.texi
index 48744e24f..813674214 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -25,7 +25,7 @@ This manual is for GNU Automake (version @value{VERSION},
@value{UPDATED}), a program that creates GNU standards-compliant
Makefiles from template files.
-Copyright @copyright{} 1995--2022 Free Software Foundation, Inc.
+Copyright @copyright{} 1995--2023 Free Software Foundation, Inc.
@quotation
Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/fdl.texi b/doc/fdl.texi
index 5af47347f..05547955f 100644
--- a/doc/fdl.texi
+++ b/doc/fdl.texi
@@ -5,7 +5,7 @@
@c hence no sectioning command or @node.
@display
-Copyright @copyright{} 2000--2022 Free Software Foundation, Inc.
+Copyright @copyright{} 2000--2023 Free Software Foundation, Inc.
@uref{https://fsf.org/}
Everyone is permitted to copy and distribute verbatim copies
diff --git a/doc/help2man b/doc/help2man
index 99665c59f..64966eb89 100755
--- a/doc/help2man
+++ b/doc/help2man
@@ -1,9 +1,7 @@
#!/usr/bin/perl -w
# Generate a short man page from --help and --version output.
-# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2009,
-# 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2020, 2021, 2022 Free Software
-# Foundation, Inc.
+# Copyright (C) 1997-2023 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/doc/local.mk b/doc/local.mk
index a3503b76a..d72e8e6bb 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/gen-testsuite-part b/gen-testsuite-part
index 5434af346..d13b54bdb 100755
--- a/gen-testsuite-part
+++ b/gen-testsuite-part
@@ -3,7 +3,7 @@
# of the Automake testsuite. Also, automatically generate some more
# tests from them (for particular cases/setups only).
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/Automake/ChannelDefs.pm b/lib/Automake/ChannelDefs.pm
index c4306dc28..1c436645e 100644
--- a/lib/Automake/ChannelDefs.pm
+++ b/lib/Automake/ChannelDefs.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/Automake/Channels.pm b/lib/Automake/Channels.pm
index a7e461305..b4563d36e 100644
--- a/lib/Automake/Channels.pm
+++ b/lib/Automake/Channels.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/Automake/Condition.pm b/lib/Automake/Condition.pm
index 85714285d..31ac81d80 100644
--- a/lib/Automake/Condition.pm
+++ b/lib/Automake/Condition.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/Automake/Config.in b/lib/Automake/Config.in
index 8e8606093..4fc918b58 100644
--- a/lib/Automake/Config.in
+++ b/lib/Automake/Config.in
@@ -1,5 +1,5 @@
# -*- Perl -*-
-# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2023 Free Software Foundation, Inc.
# @configure_input@
# This program is free software; you can redistribute it and/or modify
diff --git a/lib/Automake/Configure_ac.pm b/lib/Automake/Configure_ac.pm
index 92a1c4467..efd428e2a 100644
--- a/lib/Automake/Configure_ac.pm
+++ b/lib/Automake/Configure_ac.pm
@@ -1,4 +1,4 @@
-# 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/Automake/DisjConditions.pm b/lib/Automake/DisjConditions.pm
index f51b72f09..16540e7da 100644
--- a/lib/Automake/DisjConditions.pm
+++ b/lib/Automake/DisjConditions.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/Automake/FileUtils.pm b/lib/Automake/FileUtils.pm
index e453a2de3..848ff22d1 100644
--- a/lib/Automake/FileUtils.pm
+++ b/lib/Automake/FileUtils.pm
@@ -1,4 +1,4 @@
-# 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/Automake/General.pm b/lib/Automake/General.pm
index 0170ea08c..4c1d0630f 100644
--- a/lib/Automake/General.pm
+++ b/lib/Automake/General.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/Automake/Getopt.pm b/lib/Automake/Getopt.pm
index 6386b3915..67958fd62 100644
--- a/lib/Automake/Getopt.pm
+++ b/lib/Automake/Getopt.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/Automake/Item.pm b/lib/Automake/Item.pm
index 69718c2fc..a2637c6e1 100644
--- a/lib/Automake/Item.pm
+++ b/lib/Automake/Item.pm
@@ -1,4 +1,4 @@
-# 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/Automake/ItemDef.pm b/lib/Automake/ItemDef.pm
index b7715d4b5..3e958a8ff 100644
--- a/lib/Automake/ItemDef.pm
+++ b/lib/Automake/ItemDef.pm
@@ -1,4 +1,4 @@
-# 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/Automake/Language.pm b/lib/Automake/Language.pm
index 366fc1d81..8cd866dde 100644
--- a/lib/Automake/Language.pm
+++ b/lib/Automake/Language.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/Automake/Location.pm b/lib/Automake/Location.pm
index 8301b1404..21d08f7d2 100644
--- a/lib/Automake/Location.pm
+++ b/lib/Automake/Location.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/Automake/Options.pm b/lib/Automake/Options.pm
index ffbdf299a..69fc2ecb5 100644
--- a/lib/Automake/Options.pm
+++ b/lib/Automake/Options.pm
@@ -1,4 +1,4 @@
-# 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/Automake/Rule.pm b/lib/Automake/Rule.pm
index 8b1f94de2..9f72d2728 100644
--- a/lib/Automake/Rule.pm
+++ b/lib/Automake/Rule.pm
@@ -1,4 +1,4 @@
-# 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/Automake/RuleDef.pm b/lib/Automake/RuleDef.pm
index f62b15f38..1ae8b6332 100644
--- a/lib/Automake/RuleDef.pm
+++ b/lib/Automake/RuleDef.pm
@@ -1,4 +1,4 @@
-# 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/Automake/VarDef.pm b/lib/Automake/VarDef.pm
index 00d694a6f..9f09411cc 100644
--- a/lib/Automake/VarDef.pm
+++ b/lib/Automake/VarDef.pm
@@ -1,4 +1,4 @@
-# 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/Automake/Variable.pm b/lib/Automake/Variable.pm
index 1269d5d9f..2c118314e 100644
--- a/lib/Automake/Variable.pm
+++ b/lib/Automake/Variable.pm
@@ -1,4 +1,4 @@
-# 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/Automake/Version.pm b/lib/Automake/Version.pm
index d44d002c9..369a229e8 100644
--- a/lib/Automake/Version.pm
+++ b/lib/Automake/Version.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/Automake/Wrap.pm b/lib/Automake/Wrap.pm
index b5e34f435..9233798bd 100644
--- a/lib/Automake/Wrap.pm
+++ b/lib/Automake/Wrap.pm
@@ -1,4 +1,4 @@
-# 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/Automake/XFile.pm b/lib/Automake/XFile.pm
index d1e560280..05e8b32a2 100644
--- a/lib/Automake/XFile.pm
+++ b/lib/Automake/XFile.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/Automake/local.mk b/lib/Automake/local.mk
index c129397c3..3688f965e 100644
--- a/lib/Automake/local.mk
+++ b/lib/Automake/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/am/check.am b/lib/am/check.am
index 6648c011d..45d021feb 100644
--- a/lib/am/check.am
+++ b/lib/am/check.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/check2.am b/lib/am/check2.am
index a8730c400..bafa1d745 100644
--- a/lib/am/check2.am
+++ b/lib/am/check2.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2008-2022 Free Software Foundation, Inc.
+## Copyright (C) 2008-2023 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/am/clean-hdr.am b/lib/am/clean-hdr.am
index dc8ea6046..3e63f80cf 100644
--- a/lib/am/clean-hdr.am
+++ b/lib/am/clean-hdr.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/clean.am b/lib/am/clean.am
index bf7eb8178..49ee5e245 100644
--- a/lib/am/clean.am
+++ b/lib/am/clean.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/compile.am b/lib/am/compile.am
index 070b3a236..469b82935 100644
--- a/lib/am/compile.am
+++ b/lib/am/compile.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/configure.am b/lib/am/configure.am
index 261568489..9e5c2b1fc 100644
--- a/lib/am/configure.am
+++ b/lib/am/configure.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/data.am b/lib/am/data.am
index cecde7c0e..6afe343b6 100644
--- a/lib/am/data.am
+++ b/lib/am/data.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/dejagnu.am b/lib/am/dejagnu.am
index 2f9b8538f..604cf441c 100644
--- a/lib/am/dejagnu.am
+++ b/lib/am/dejagnu.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/depend.am b/lib/am/depend.am
index ecea1fcaa..f14c4210c 100644
--- a/lib/am/depend.am
+++ b/lib/am/depend.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/depend2.am b/lib/am/depend2.am
index 507fa40b5..583e965b1 100644
--- a/lib/am/depend2.am
+++ b/lib/am/depend2.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/distdir.am b/lib/am/distdir.am
index aa2be5238..4cfc742ce 100644
--- a/lib/am/distdir.am
+++ b/lib/am/distdir.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/footer.am b/lib/am/footer.am
index bb022ef8b..9715c826c 100644
--- a/lib/am/footer.am
+++ b/lib/am/footer.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/header-vars.am b/lib/am/header-vars.am
index 0256faed6..3c04a72b7 100644
--- a/lib/am/header-vars.am
+++ b/lib/am/header-vars.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/header.am b/lib/am/header.am
index f2194169f..ec4fc682a 100644
--- a/lib/am/header.am
+++ b/lib/am/header.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/inst-vars.am b/lib/am/inst-vars.am
index 9eb5dc6ee..59eb95b7d 100644
--- a/lib/am/inst-vars.am
+++ b/lib/am/inst-vars.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2004-2022 Free Software Foundation, Inc.
+## Copyright (C) 2004-2023 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/am/install.am b/lib/am/install.am
index 8994b2294..496c05a62 100644
--- a/lib/am/install.am
+++ b/lib/am/install.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/java.am b/lib/am/java.am
index 9f9d92e56..4f67e9909 100644
--- a/lib/am/java.am
+++ b/lib/am/java.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1998-2022 Free Software Foundation, Inc.
+## Copyright (C) 1998-2023 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/am/lang-compile.am b/lib/am/lang-compile.am
index c657e0626..424a676cd 100644
--- a/lib/am/lang-compile.am
+++ b/lib/am/lang-compile.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/lex.am b/lib/am/lex.am
index 8589e5436..24cdeb172 100644
--- a/lib/am/lex.am
+++ b/lib/am/lex.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2001-2022 Free Software Foundation, Inc.
+## Copyright (C) 2001-2023 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/am/library.am b/lib/am/library.am
index effaf39f9..7de38f69f 100644
--- a/lib/am/library.am
+++ b/lib/am/library.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/libs.am b/lib/am/libs.am
index a5e175e93..8b29faa4b 100644
--- a/lib/am/libs.am
+++ b/lib/am/libs.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/libtool.am b/lib/am/libtool.am
index e65a59c6e..b87013a02 100644
--- a/lib/am/libtool.am
+++ b/lib/am/libtool.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/lisp.am b/lib/am/lisp.am
index 500e2c530..d5858f866 100644
--- a/lib/am/lisp.am
+++ b/lib/am/lisp.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1996-2022 Free Software Foundation, Inc.
+## Copyright (C) 1996-2023 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/am/local.mk b/lib/am/local.mk
index 80b2d4c44..ed0f8db29 100644
--- a/lib/am/local.mk
+++ b/lib/am/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/am/ltlib.am b/lib/am/ltlib.am
index 032f88169..d6a874bc7 100644
--- a/lib/am/ltlib.am
+++ b/lib/am/ltlib.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/ltlibrary.am b/lib/am/ltlibrary.am
index 6297f3ff7..a55682da1 100644
--- a/lib/am/ltlibrary.am
+++ b/lib/am/ltlibrary.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/mans-vars.am b/lib/am/mans-vars.am
index ac6a5ac00..56209d27b 100644
--- a/lib/am/mans-vars.am
+++ b/lib/am/mans-vars.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/mans.am b/lib/am/mans.am
index d17a05d8d..416387947 100644
--- a/lib/am/mans.am
+++ b/lib/am/mans.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1998-2022 Free Software Foundation, Inc.
+## Copyright (C) 1998-2023 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/am/program.am b/lib/am/program.am
index 44105a9fb..a772e06fc 100644
--- a/lib/am/program.am
+++ b/lib/am/program.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/progs.am b/lib/am/progs.am
index 753886a31..0b74cca2e 100644
--- a/lib/am/progs.am
+++ b/lib/am/progs.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/python.am b/lib/am/python.am
index 17b7415dc..98f95af1b 100644
--- a/lib/am/python.am
+++ b/lib/am/python.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1999-2022 Free Software Foundation, Inc.
+## Copyright (C) 1999-2023 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/am/remake-hdr.am b/lib/am/remake-hdr.am
index e6c8057ba..74000076c 100644
--- a/lib/am/remake-hdr.am
+++ b/lib/am/remake-hdr.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/scripts.am b/lib/am/scripts.am
index 3e72550c0..5717bb0f4 100644
--- a/lib/am/scripts.am
+++ b/lib/am/scripts.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/subdirs.am b/lib/am/subdirs.am
index ec98216ae..7798b7c98 100644
--- a/lib/am/subdirs.am
+++ b/lib/am/subdirs.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/tags.am b/lib/am/tags.am
index 097e1e3dd..f2b276d9f 100644
--- a/lib/am/tags.am
+++ b/lib/am/tags.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/texi-vers.am b/lib/am/texi-vers.am
index ec5124dcb..b2a7c6c5e 100644
--- a/lib/am/texi-vers.am
+++ b/lib/am/texi-vers.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/texibuild.am b/lib/am/texibuild.am
index 43e69d7b9..6f6099c8d 100644
--- a/lib/am/texibuild.am
+++ b/lib/am/texibuild.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/texinfos.am b/lib/am/texinfos.am
index 896a2a007..fdd680e22 100644
--- a/lib/am/texinfos.am
+++ b/lib/am/texinfos.am
@@ -1,6 +1,6 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1994-2022 Free Software Foundation, Inc.
+## Copyright (C) 1994-2023 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/am/vala.am b/lib/am/vala.am
index cf1ae63dc..fd1ca43a0 100644
--- a/lib/am/vala.am
+++ b/lib/am/vala.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 2008-2022 Free Software Foundation, Inc.
+## Copyright (C) 2008-2023 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/am/yacc.am b/lib/am/yacc.am
index a6360b0f0..65afcc5d2 100644
--- a/lib/am/yacc.am
+++ b/lib/am/yacc.am
@@ -1,5 +1,5 @@
## automake - create Makefile.in from Makefile.am
-## Copyright (C) 1998-2022 Free Software Foundation, Inc.
+## Copyright (C) 1998-2023 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/ar-lib b/lib/ar-lib
index 54c6bdbf7..17de55e79 100755
--- a/lib/ar-lib
+++ b/lib/ar-lib
@@ -4,7 +4,7 @@
me=ar-lib
scriptversion=2019-07-04.01; # UTC
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 Free Software Foundation, Inc.
# Written by Peter Rosin <peda@lysator.liu.se>.
#
# This program is free software; you can redistribute it and/or modify
diff --git a/lib/compile b/lib/compile
index dfc946593..ba883b54a 100755
--- a/lib/compile
+++ b/lib/compile
@@ -3,7 +3,7 @@
scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
diff --git a/lib/depcomp b/lib/depcomp
index 703eed275..ce5c2f7bc 100755
--- a/lib/depcomp
+++ b/lib/depcomp
@@ -3,7 +3,7 @@
scriptversion=2022-09-18.14; # UTC
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/local.mk b/lib/local.mk
index bb428158b..2d3905c0d 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/mdate-sh b/lib/mdate-sh
index 8d8bb3731..6947addb5 100755
--- a/lib/mdate-sh
+++ b/lib/mdate-sh
@@ -3,7 +3,7 @@
scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 Free Software Foundation, Inc.
# written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
#
# This program is free software; you can redistribute it and/or modify
diff --git a/lib/missing b/lib/missing
index 74eaae7ca..9181a2183 100755
--- a/lib/missing
+++ b/lib/missing
@@ -3,7 +3,7 @@
scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
diff --git a/lib/py-compile b/lib/py-compile
index de0f02e32..e1496a08c 100755
--- a/lib/py-compile
+++ b/lib/py-compile
@@ -3,7 +3,7 @@
scriptversion=2022-09-26.22; # UTC
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/tap-driver.sh b/lib/tap-driver.sh
index bc7b1cc34..1f56d63a1 100755
--- a/lib/tap-driver.sh
+++ b/lib/tap-driver.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/test-driver b/lib/test-driver
index 2364e407f..720c084fa 100755
--- a/lib/test-driver
+++ b/lib/test-driver
@@ -3,7 +3,7 @@
scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/ylwrap b/lib/ylwrap
index 6700349be..9322b7b7e 100755
--- a/lib/ylwrap
+++ b/lib/ylwrap
@@ -3,7 +3,7 @@
scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# Written by Tom Tromey <tromey@cygnus.com>.
#
diff --git a/m4/amversion.in b/m4/amversion.in
index e0faf9f19..331be4671 100644
--- a/m4/amversion.in
+++ b/m4/amversion.in
@@ -1,6 +1,6 @@
## -*- Autoconf -*-
## @configure_input@
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/amversion.m4 b/m4/amversion.m4
index b8a297fe9..a91b2af37 100644
--- a/m4/amversion.m4
+++ b/m4/amversion.m4
@@ -1,6 +1,6 @@
## -*- Autoconf -*-
## Generated from amversion.in; do not edit by hand.
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/ar-lib.m4 b/m4/ar-lib.m4
index 1b5a0272a..f55b65019 100644
--- a/m4/ar-lib.m4
+++ b/m4/ar-lib.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/as.m4 b/m4/as.m4
index 349524026..916c5b9dc 100644
--- a/m4/as.m4
+++ b/m4/as.m4
@@ -1,6 +1,6 @@
# Figure out how to run the assembler. -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/auxdir.m4 b/m4/auxdir.m4
index 17e8a3562..c402ad00c 100644
--- a/m4/auxdir.m4
+++ b/m4/auxdir.m4
@@ -1,6 +1,6 @@
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/cond-if.m4 b/m4/cond-if.m4
index 3a1a444bc..440f05619 100644
--- a/m4/cond-if.m4
+++ b/m4/cond-if.m4
@@ -1,6 +1,6 @@
# AM_COND_IF -*- Autoconf -*-
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/cond.m4 b/m4/cond.m4
index 2499a1fab..7282a1d34 100644
--- a/m4/cond.m4
+++ b/m4/cond.m4
@@ -1,6 +1,6 @@
# AM_CONDITIONAL -*- Autoconf -*-
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/depend.m4 b/m4/depend.m4
index eacc7b03d..befed4b59 100644
--- a/m4/depend.m4
+++ b/m4/depend.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/depout.m4 b/m4/depout.m4
index d2d3db5f0..ee27f33e2 100644
--- a/m4/depout.m4
+++ b/m4/depout.m4
@@ -1,6 +1,6 @@
# Generate code to set up dependency tracking. -*- Autoconf -*-
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/dmalloc.m4 b/m4/dmalloc.m4
index 66d943e4d..608552e41 100644
--- a/m4/dmalloc.m4
+++ b/m4/dmalloc.m4
@@ -3,7 +3,7 @@
## From Franc,ois Pinard ##
## ----------------------------------- ##
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/extra-recurs.m4 b/m4/extra-recurs.m4
index 13613e537..a63f9a2b8 100644
--- a/m4/extra-recurs.m4
+++ b/m4/extra-recurs.m4
@@ -1,6 +1,6 @@
# AM_EXTRA_RECURSIVE_TARGETS -*- Autoconf -*-
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/gcj.m4 b/m4/gcj.m4
index ef3243be1..9690080cb 100644
--- a/m4/gcj.m4
+++ b/m4/gcj.m4
@@ -1,7 +1,7 @@
# Check for Java compiler. -*- Autoconf -*-
# For now we only handle the GNU compiler.
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/init.m4 b/m4/init.m4
index f3c7845bc..9b809ad5b 100644
--- a/m4/init.m4
+++ b/m4/init.m4
@@ -1,6 +1,6 @@
# Do all the work for Automake. -*- Autoconf -*-
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/install-sh.m4 b/m4/install-sh.m4
index 9435f080f..fa1fa7760 100644
--- a/m4/install-sh.m4
+++ b/m4/install-sh.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/internal/ac-config-macro-dirs.m4 b/m4/internal/ac-config-macro-dirs.m4
index 8536bfcb5..73a3f28e4 100644
--- a/m4/internal/ac-config-macro-dirs.m4
+++ b/m4/internal/ac-config-macro-dirs.m4
@@ -4,7 +4,7 @@
# FIXME: keep in sync with the contents of the variable
# '$ac_config_macro_dirs_fallback' in aclocal.in.
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/lead-dot.m4 b/m4/lead-dot.m4
index e1a1546f2..6f59e45a6 100644
--- a/m4/lead-dot.m4
+++ b/m4/lead-dot.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/lex.m4 b/m4/lex.m4
index 44913fb4f..7b0511526 100644
--- a/m4/lex.m4
+++ b/m4/lex.m4
@@ -1,6 +1,6 @@
## Replacement for AC_PROG_LEX. -*- Autoconf -*-
## by Alexandre Oliva <oliva@dcc.unicamp.br>
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/lispdir.m4 b/m4/lispdir.m4
index a60095c3f..4759d9c38 100644
--- a/m4/lispdir.m4
+++ b/m4/lispdir.m4
@@ -3,7 +3,7 @@
## From Ulrich Drepper
## Almost entirely rewritten by Alexandre Oliva
## ------------------------
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/local.mk b/m4/local.mk
index 7ed018996..5239f60b8 100644
--- a/m4/local.mk
+++ b/m4/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/m4/maintainer.m4 b/m4/maintainer.m4
index 684a721cf..3685e3742 100644
--- a/m4/maintainer.m4
+++ b/m4/maintainer.m4
@@ -1,7 +1,7 @@
# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
# From Jim Meyering
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/make.m4 b/m4/make.m4
index 68bd1a42f..b09967299 100644
--- a/m4/make.m4
+++ b/m4/make.m4
@@ -1,6 +1,6 @@
# Check to see how 'make' treats includes. -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/missing.m4 b/m4/missing.m4
index 9b94a4328..dba82fdea 100644
--- a/m4/missing.m4
+++ b/m4/missing.m4
@@ -1,6 +1,6 @@
# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/mkdirp.m4 b/m4/mkdirp.m4
index d00ec4d1a..0d01a6266 100644
--- a/m4/mkdirp.m4
+++ b/m4/mkdirp.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/obsolete.m4 b/m4/obsolete.m4
index bacaef383..b6f2de0d1 100644
--- a/m4/obsolete.m4
+++ b/m4/obsolete.m4
@@ -2,7 +2,7 @@
# Obsolete and "removed" macros, that must however still report explicit
# error messages when used, to smooth transition.
#
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/options.m4 b/m4/options.m4
index 05dd4474c..a23514a9c 100644
--- a/m4/options.m4
+++ b/m4/options.m4
@@ -1,6 +1,6 @@
# Helper functions for option handling. -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/prog-cc-c-o.m4 b/m4/prog-cc-c-o.m4
index d726a700d..62b2e7915 100644
--- a/m4/prog-cc-c-o.m4
+++ b/m4/prog-cc-c-o.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/python.m4 b/m4/python.m4
index 6653e4d89..56c8961af 100644
--- a/m4/python.m4
+++ b/m4/python.m4
@@ -3,7 +3,7 @@
## From Andrew Dalke
## Updated by James Henstridge and other contributors.
## ------------------------
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/rmf.m4 b/m4/rmf.m4
index 2437a9f76..13c19607b 100644
--- a/m4/rmf.m4
+++ b/m4/rmf.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/runlog.m4 b/m4/runlog.m4
index 568270e10..e1057e576 100644
--- a/m4/runlog.m4
+++ b/m4/runlog.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/sanity.m4 b/m4/sanity.m4
index 5aa1e3ad8..db9a1f563 100644
--- a/m4/sanity.m4
+++ b/m4/sanity.m4
@@ -1,6 +1,6 @@
# Check to make sure that the build environment is sane. -*- Autoconf -*-
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/silent.m4 b/m4/silent.m4
index d19c56e8a..02c10589b 100644
--- a/m4/silent.m4
+++ b/m4/silent.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/strip.m4 b/m4/strip.m4
index 5e1ea6a2b..969acaab0 100644
--- a/m4/strip.m4
+++ b/m4/strip.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/substnot.m4 b/m4/substnot.m4
index 8d49246dd..10f9653d7 100644
--- a/m4/substnot.m4
+++ b/m4/substnot.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/tar.m4 b/m4/tar.m4
index 8f4d2f213..62cd57f4a 100644
--- a/m4/tar.m4
+++ b/m4/tar.m4
@@ -1,6 +1,6 @@
# Check how to create a tarball. -*- Autoconf -*-
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/upc.m4 b/m4/upc.m4
index 423ec326e..64f2816bf 100644
--- a/m4/upc.m4
+++ b/m4/upc.m4
@@ -1,6 +1,6 @@
# Find a compiler for Unified Parallel C. -*- Autoconf -*-
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/vala.m4 b/m4/vala.m4
index fab6ae71a..f07b227eb 100644
--- a/m4/vala.m4
+++ b/m4/vala.m4
@@ -1,6 +1,6 @@
# Autoconf support for the Vala compiler
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/m4/xargsn.m4 b/m4/xargsn.m4
index 8ddf2d8f4..491087d36 100644
--- a/m4/xargsn.m4
+++ b/m4/xargsn.m4
@@ -1,5 +1,5 @@
## -*- Autoconf -*-
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
diff --git a/maintainer/am-ft b/maintainer/am-ft
index 837a80cd3..0b51c4052 100755
--- a/maintainer/am-ft
+++ b/maintainer/am-ft
@@ -2,7 +2,7 @@
# Remote testing of Automake tarballs made easy.
# This script requires Bash 4.x or later.
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/maintainer/am-xft b/maintainer/am-xft
index b0b8f5e85..b62f6b32f 100755
--- a/maintainer/am-xft
+++ b/maintainer/am-xft
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/maintainer/check-perl-protos b/maintainer/check-perl-protos
index 083a90678..2d9c2245b 100755
--- a/maintainer/check-perl-protos
+++ b/maintainer/check-perl-protos
@@ -1,6 +1,6 @@
#!/usr/bin/env perl
#
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 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/maintainer/maint.mk b/maintainer/maint.mk
index 0512467cb..270cff2b9 100644
--- a/maintainer/maint.mk
+++ b/maintainer/maint.mk
@@ -1,6 +1,6 @@
# Maintainer makefile rules for Automake.
#
-# Copyright (C) 1995-2022 Free Software Foundation, Inc.
+# Copyright (C) 1995-2023 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/maintainer/rename-tests b/maintainer/rename-tests
index e252f6a8b..48abe3c78 100755
--- a/maintainer/rename-tests
+++ b/maintainer/rename-tests
@@ -1,7 +1,7 @@
#!/usr/bin/env bash
# Convenience script to rename test cases in Automake.
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/maintainer/syntax-checks.mk b/maintainer/syntax-checks.mk
index 7cd6d198a..c56313781 100644
--- a/maintainer/syntax-checks.mk
+++ b/maintainer/syntax-checks.mk
@@ -1,6 +1,6 @@
# Maintainer checks for Automake. Requires GNU make.
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/old/ChangeLog-tests b/old/ChangeLog-tests
index b7d92ace8..cc348b965 100644
--- a/old/ChangeLog-tests
+++ b/old/ChangeLog-tests
@@ -1442,7 +1442,7 @@ Sat Feb 10 17:08:39 1996 Tom Tromey <tromey@creche.cygnus.com>
-----
-Copyright 2012-2022 Free Software Foundation, Inc.
+Copyright 2012-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.00 b/old/ChangeLog.00
index d9379ba65..8d92f0b24 100644
--- a/old/ChangeLog.00
+++ b/old/ChangeLog.00
@@ -2205,7 +2205,7 @@
-----
-Copyright 1999-2022 Free Software Foundation, Inc.
+Copyright 1999-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.01 b/old/ChangeLog.01
index 3308080fe..ac0f410d2 100644
--- a/old/ChangeLog.01
+++ b/old/ChangeLog.01
@@ -4931,7 +4931,7 @@
-----
-Copyright (C) 2001-2022 Free Software Foundation, Inc.
+Copyright (C) 2001-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.02 b/old/ChangeLog.02
index e8fb51812..19febf5fa 100644
--- a/old/ChangeLog.02
+++ b/old/ChangeLog.02
@@ -3219,7 +3219,7 @@
-----
-Copyright (C) 2002-2022 Free Software Foundation, Inc.
+Copyright (C) 2002-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.03 b/old/ChangeLog.03
index e1b7676be..a94aad9bc 100644
--- a/old/ChangeLog.03
+++ b/old/ChangeLog.03
@@ -2965,7 +2965,7 @@
-----
-Copyright (C) 2003-2022 Free Software Foundation, Inc.
+Copyright (C) 2003-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.04 b/old/ChangeLog.04
index 036f6f620..bc0037296 100644
--- a/old/ChangeLog.04
+++ b/old/ChangeLog.04
@@ -1613,7 +1613,7 @@
-----
-Copyright (C) 2004-2022 Free Software Foundation, Inc.
+Copyright (C) 2004-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.09 b/old/ChangeLog.09
index 5d720ef4a..a6b8ee807 100644
--- a/old/ChangeLog.09
+++ b/old/ChangeLog.09
@@ -5757,7 +5757,7 @@
-----
-Copyright (C) 2005-2022 Free Software Foundation, Inc.
+Copyright (C) 2005-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.11 b/old/ChangeLog.11
index 10fec152c..e708f7875 100644
--- a/old/ChangeLog.11
+++ b/old/ChangeLog.11
@@ -13097,7 +13097,7 @@
-----
-Copyright (C) 2010-2022 Free Software Foundation, Inc.
+Copyright (C) 2010-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.96 b/old/ChangeLog.96
index 0a4fd660e..55569084a 100644
--- a/old/ChangeLog.96
+++ b/old/ChangeLog.96
@@ -3679,7 +3679,7 @@ Mon Sep 19 23:39:21 1994 djm <djm@cambric>
-----
-Copyright 1994-2022 Free Software Foundation, Inc.
+Copyright 1994-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/ChangeLog.98 b/old/ChangeLog.98
index 2e465fc47..c5683cf0b 100644
--- a/old/ChangeLog.98
+++ b/old/ChangeLog.98
@@ -2185,7 +2185,7 @@ Thu Jan 2 14:16:17 1997 Tom Tromey <tromey@cygnus.com>
-----
-Copyright 1997-2022 Free Software Foundation, Inc.
+Copyright 1997-2023 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, are
permitted provided the copyright notice and this notice are preserved.
diff --git a/old/TODO b/old/TODO
index dcadef567..f7251840b 100644
--- a/old/TODO
+++ b/old/TODO
@@ -483,7 +483,7 @@ that aren't mentioned?
* copyright notice
-Copyright 1994-2022 Free Software Foundation, Inc.
+Copyright 1994-2023 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/pre-inst-env.in b/pre-inst-env.in
index e6907a34a..1cb3fd057 100644
--- a/pre-inst-env.in
+++ b/pre-inst-env.in
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright © 2017-2022 Free Software Foundation, Inc.
+# Copyright © 2017-2023 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/t/CheckListOfTests.am b/t/CheckListOfTests.am
index 30cdc4cab..e17083a62 100644
--- a/t/CheckListOfTests.am
+++ b/t/CheckListOfTests.am
@@ -1,6 +1,6 @@
## -*- Automake -*-
##
-## Copyright (C) 2011-2022 Free Software Foundation, Inc.
+## Copyright (C) 2011-2023 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/t/ac-output-old.tap b/t/ac-output-old.tap
index eb01bb7d7..47bd0f493 100644
--- a/t/ac-output-old.tap
+++ b/t/ac-output-old.tap
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/aclocal-I-and-install.sh b/t/aclocal-I-and-install.sh
index 103f4e8b7..d5d80dba1 100644
--- a/t/aclocal-I-and-install.sh
+++ b/t/aclocal-I-and-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-I-order-1.sh b/t/aclocal-I-order-1.sh
index 55e5f4c85..f621f34cc 100644
--- a/t/aclocal-I-order-1.sh
+++ b/t/aclocal-I-order-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-I-order-2.sh b/t/aclocal-I-order-2.sh
index 3ddf167f5..cba7e8c70 100644
--- a/t/aclocal-I-order-2.sh
+++ b/t/aclocal-I-order-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-I-order-3.sh b/t/aclocal-I-order-3.sh
index 1d9a81812..160d9b3ac 100644
--- a/t/aclocal-I-order-3.sh
+++ b/t/aclocal-I-order-3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-acdir.sh b/t/aclocal-acdir.sh
index 96c27cf1a..0856bb128 100644
--- a/t/aclocal-acdir.sh
+++ b/t/aclocal-acdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-amflags.sh b/t/aclocal-amflags.sh
index 4df3f112e..ecbd03414 100644
--- a/t/aclocal-amflags.sh
+++ b/t/aclocal-amflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-autoconf-version-check.sh b/t/aclocal-autoconf-version-check.sh
index 77871861a..fb5e790a5 100644
--- a/t/aclocal-autoconf-version-check.sh
+++ b/t/aclocal-autoconf-version-check.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/aclocal-comments-respected.sh b/t/aclocal-comments-respected.sh
index 16a1a7c7f..8d790ecef 100644
--- a/t/aclocal-comments-respected.sh
+++ b/t/aclocal-comments-respected.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/aclocal-deleted-header-aclocal-amflags.sh b/t/aclocal-deleted-header-aclocal-amflags.sh
index 661cf8dd2..f528d854f 100644
--- a/t/aclocal-deleted-header-aclocal-amflags.sh
+++ b/t/aclocal-deleted-header-aclocal-amflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/aclocal-deleted-header.sh b/t/aclocal-deleted-header.sh
index 52b45ed65..3d21651eb 100644
--- a/t/aclocal-deleted-header.sh
+++ b/t/aclocal-deleted-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/aclocal-deps-subdir.sh b/t/aclocal-deps-subdir.sh
index 71c38a659..4eaa91e65 100644
--- a/t/aclocal-deps-subdir.sh
+++ b/t/aclocal-deps-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-deps.sh b/t/aclocal-deps.sh
index 174f51480..b8f046e17 100644
--- a/t/aclocal-deps.sh
+++ b/t/aclocal-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-dirlist-abspath.sh b/t/aclocal-dirlist-abspath.sh
index 721df16e6..f7eb35e5a 100644
--- a/t/aclocal-dirlist-abspath.sh
+++ b/t/aclocal-dirlist-abspath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/aclocal-dirlist-globbing.sh b/t/aclocal-dirlist-globbing.sh
index 56b348956..3fe9bf4d6 100644
--- a/t/aclocal-dirlist-globbing.sh
+++ b/t/aclocal-dirlist-globbing.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/aclocal-dirlist.sh b/t/aclocal-dirlist.sh
index cec3fb01a..0c53e539e 100644
--- a/t/aclocal-dirlist.sh
+++ b/t/aclocal-dirlist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/aclocal-install-absdir.sh b/t/aclocal-install-absdir.sh
index 52c2ce0b7..68651c8aa 100644
--- a/t/aclocal-install-absdir.sh
+++ b/t/aclocal-install-absdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-install-fail.sh b/t/aclocal-install-fail.sh
index 2f389ad01..5f297c2f1 100644
--- a/t/aclocal-install-fail.sh
+++ b/t/aclocal-install-fail.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-install-mkdir.sh b/t/aclocal-install-mkdir.sh
index 4ee55183b..6211048ae 100644
--- a/t/aclocal-install-mkdir.sh
+++ b/t/aclocal-install-mkdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-m4-include-are-scanned-aclocal-amflags.sh b/t/aclocal-m4-include-are-scanned-aclocal-amflags.sh
index 7b85dc179..efb99d822 100644
--- a/t/aclocal-m4-include-are-scanned-aclocal-amflags.sh
+++ b/t/aclocal-m4-include-are-scanned-aclocal-amflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/aclocal-m4-include-are-scanned.sh b/t/aclocal-m4-include-are-scanned.sh
index 63a0983ae..1d67165e1 100644
--- a/t/aclocal-m4-include-are-scanned.sh
+++ b/t/aclocal-m4-include-are-scanned.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/aclocal-m4-sinclude.sh b/t/aclocal-m4-sinclude.sh
index 94ea1f704..ca522b53e 100644
--- a/t/aclocal-m4-sinclude.sh
+++ b/t/aclocal-m4-sinclude.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-macrodir.tap b/t/aclocal-macrodir.tap
index 797541277..f741f9c12 100644
--- a/t/aclocal-macrodir.tap
+++ b/t/aclocal-macrodir.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-macrodirs.tap b/t/aclocal-macrodirs.tap
index 8bf60111a..2e1df7340 100644
--- a/t/aclocal-macrodirs.tap
+++ b/t/aclocal-macrodirs.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-missing-macros.sh b/t/aclocal-missing-macros.sh
index a17bb3038..920549301 100644
--- a/t/aclocal-missing-macros.sh
+++ b/t/aclocal-missing-macros.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/aclocal-no-extra-scan.sh b/t/aclocal-no-extra-scan.sh
index a2c2206ef..8731a87a4 100644
--- a/t/aclocal-no-extra-scan.sh
+++ b/t/aclocal-no-extra-scan.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/aclocal-no-force.sh b/t/aclocal-no-force.sh
index 46482c7b1..3e0c04d12 100644
--- a/t/aclocal-no-force.sh
+++ b/t/aclocal-no-force.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-no-install-no-mkdir.sh b/t/aclocal-no-install-no-mkdir.sh
index 84406a7fb..94e7b5611 100644
--- a/t/aclocal-no-install-no-mkdir.sh
+++ b/t/aclocal-no-install-no-mkdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aclocal-no-symlinked-overwrite.sh b/t/aclocal-no-symlinked-overwrite.sh
index 43d4b4553..802f0adbc 100644
--- a/t/aclocal-no-symlinked-overwrite.sh
+++ b/t/aclocal-no-symlinked-overwrite.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/aclocal-no-unused-required.sh b/t/aclocal-no-unused-required.sh
index 37e68af7d..7a1e50f93 100644
--- a/t/aclocal-no-unused-required.sh
+++ b/t/aclocal-no-unused-required.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-path-install-serial.sh b/t/aclocal-path-install-serial.sh
index 6921cc646..091bf2171 100644
--- a/t/aclocal-path-install-serial.sh
+++ b/t/aclocal-path-install-serial.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-path-install.sh b/t/aclocal-path-install.sh
index 2a8a79aa7..a7c0d8ea7 100644
--- a/t/aclocal-path-install.sh
+++ b/t/aclocal-path-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-path-nonexistent.sh b/t/aclocal-path-nonexistent.sh
index d03fa57b3..a11a0caab 100644
--- a/t/aclocal-path-nonexistent.sh
+++ b/t/aclocal-path-nonexistent.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-path-precedence.sh b/t/aclocal-path-precedence.sh
index c074911a4..f3d3df85d 100644
--- a/t/aclocal-path-precedence.sh
+++ b/t/aclocal-path-precedence.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-path.sh b/t/aclocal-path.sh
index eb5b84ed5..d73dfd02b 100644
--- a/t/aclocal-path.sh
+++ b/t/aclocal-path.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-pr450.sh b/t/aclocal-pr450.sh
index 1812fb92e..53431cff1 100644
--- a/t/aclocal-pr450.sh
+++ b/t/aclocal-pr450.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/aclocal-print-acdir.sh b/t/aclocal-print-acdir.sh
index 98e325ead..95b72f42d 100644
--- a/t/aclocal-print-acdir.sh
+++ b/t/aclocal-print-acdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal-remake-misc.sh b/t/aclocal-remake-misc.sh
index 62899e614..6ff3d32a8 100644
--- a/t/aclocal-remake-misc.sh
+++ b/t/aclocal-remake-misc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/aclocal-req.sh b/t/aclocal-req.sh
index 9f29b97e9..78a1ee8b3 100644
--- a/t/aclocal-req.sh
+++ b/t/aclocal-req.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/aclocal-scan-configure-ac-pr319.sh b/t/aclocal-scan-configure-ac-pr319.sh
index f77610f4d..35379f922 100644
--- a/t/aclocal-scan-configure-ac-pr319.sh
+++ b/t/aclocal-scan-configure-ac-pr319.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/aclocal-serial.sh b/t/aclocal-serial.sh
index 74f17c142..74e9aee0a 100644
--- a/t/aclocal-serial.sh
+++ b/t/aclocal-serial.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/aclocal-underquoted-defun.sh b/t/aclocal-underquoted-defun.sh
index 78dfd0972..e28f9a20b 100644
--- a/t/aclocal-underquoted-defun.sh
+++ b/t/aclocal-underquoted-defun.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/aclocal-verbose-install.sh b/t/aclocal-verbose-install.sh
index a150cfed7..f1001164a 100644
--- a/t/aclocal-verbose-install.sh
+++ b/t/aclocal-verbose-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aclocal.sh b/t/aclocal.sh
index 41a156fc6..4cbe6e304 100644
--- a/t/aclocal.sh
+++ b/t/aclocal.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/acsilent.sh b/t/acsilent.sh
index 68384202c..989df47f5 100644
--- a/t/acsilent.sh
+++ b/t/acsilent.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/acsubst.sh b/t/acsubst.sh
index 037e0caee..5d64fce35 100644
--- a/t/acsubst.sh
+++ b/t/acsubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/acsubst2.sh b/t/acsubst2.sh
index f704352ec..4f0358a11 100644
--- a/t/acsubst2.sh
+++ b/t/acsubst2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/add-missing-install-sh.sh b/t/add-missing-install-sh.sh
index 7106c8525..ce52b7eff 100644
--- a/t/add-missing-install-sh.sh
+++ b/t/add-missing-install-sh.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/add-missing-multiple.sh b/t/add-missing-multiple.sh
index b68d95b2f..32291fc31 100644
--- a/t/add-missing-multiple.sh
+++ b/t/add-missing-multiple.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/add-missing.tap b/t/add-missing.tap
index 8787f5af6..010c03ec5 100644
--- a/t/add-missing.tap
+++ b/t/add-missing.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/all.sh b/t/all.sh
index c48d70ca8..0aba8f5e5 100644
--- a/t/all.sh
+++ b/t/all.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/all2.sh b/t/all2.sh
index bc6b19373..dc31deb3e 100644
--- a/t/all2.sh
+++ b/t/all2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/alloca.sh b/t/alloca.sh
index 1f5e55340..79a0d128b 100644
--- a/t/alloca.sh
+++ b/t/alloca.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/alloca2.sh b/t/alloca2.sh
index e994d777d..41f5ea9fa 100644
--- a/t/alloca2.sh
+++ b/t/alloca2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/alpha.sh b/t/alpha.sh
index 8c0e79782..c1f2d782a 100644
--- a/t/alpha.sh
+++ b/t/alpha.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/alpha2.sh b/t/alpha2.sh
index 401006467..f22c83a12 100644
--- a/t/alpha2.sh
+++ b/t/alpha2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/am-config-header.sh b/t/am-config-header.sh
index ad37a352d..445a232aa 100644
--- a/t/am-config-header.sh
+++ b/t/am-config-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/am-default-source-ext.sh b/t/am-default-source-ext.sh
index 622ca3d3b..519ae4373 100644
--- a/t/am-default-source-ext.sh
+++ b/t/am-default-source-ext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/am-include-only-one-generated-fragment.sh b/t/am-include-only-one-generated-fragment.sh
index 123879bc3..6000628cf 100644
--- a/t/am-include-only-one-generated-fragment.sh
+++ b/t/am-include-only-one-generated-fragment.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/am-macro-not-found.sh b/t/am-macro-not-found.sh
index 95bf69370..a17344341 100644
--- a/t/am-macro-not-found.sh
+++ b/t/am-macro-not-found.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/am-missing-prog.sh b/t/am-missing-prog.sh
index cef8c53e6..ac42c92d3 100644
--- a/t/am-missing-prog.sh
+++ b/t/am-missing-prog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/am-prog-cc-c-o.sh b/t/am-prog-cc-c-o.sh
index e49cafd10..8fe439e0e 100644
--- a/t/am-prog-cc-c-o.sh
+++ b/t/am-prog-cc-c-o.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/am-prog-cc-stdc.sh b/t/am-prog-cc-stdc.sh
index 74b4d5b46..b064499f2 100644
--- a/t/am-prog-cc-stdc.sh
+++ b/t/am-prog-cc-stdc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/am-tests-environment.sh b/t/am-tests-environment.sh
index a4f619b05..a5cce88f4 100644
--- a/t/am-tests-environment.sh
+++ b/t/am-tests-environment.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/amassign.sh b/t/amassign.sh
index 1aec075e5..1ad40b9d8 100644
--- a/t/amassign.sh
+++ b/t/amassign.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/amhello-binpkg.sh b/t/amhello-binpkg.sh
index dd3a0ca69..31182117f 100644
--- a/t/amhello-binpkg.sh
+++ b/t/amhello-binpkg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/amhello-cflags.sh b/t/amhello-cflags.sh
index a2f402834..8fd38c221 100644
--- a/t/amhello-cflags.sh
+++ b/t/amhello-cflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/amhello-cross-compile.sh b/t/amhello-cross-compile.sh
index da91dca85..3e0c07133 100644
--- a/t/amhello-cross-compile.sh
+++ b/t/amhello-cross-compile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/aminit-moreargs-deprecation.sh b/t/aminit-moreargs-deprecation.sh
index 311db6453..7cdf65cd1 100644
--- a/t/aminit-moreargs-deprecation.sh
+++ b/t/aminit-moreargs-deprecation.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/aminit-trailing-dnl-comment-pr16841.sh b/t/aminit-trailing-dnl-comment-pr16841.sh
index 4ef4f2f98..a8dc4e9d3 100644
--- a/t/aminit-trailing-dnl-comment-pr16841.sh
+++ b/t/aminit-trailing-dnl-comment-pr16841.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/amopt.sh b/t/amopt.sh
index 2bf60b0dd..e34bfde9b 100644
--- a/t/amopt.sh
+++ b/t/amopt.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/amopts-location.sh b/t/amopts-location.sh
index 6ae5cb633..ed6cb014e 100644
--- a/t/amopts-location.sh
+++ b/t/amopts-location.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/amopts-variable-expansion.sh b/t/amopts-variable-expansion.sh
index 1ed572a4f..db87413f3 100644
--- a/t/amopts-variable-expansion.sh
+++ b/t/amopts-variable-expansion.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/amsubst.sh b/t/amsubst.sh
index 3e2c629e6..0c801fdfc 100644
--- a/t/amsubst.sh
+++ b/t/amsubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/ansi2knr-no-more.sh b/t/ansi2knr-no-more.sh
index 5e2633fef..b7fdf213a 100644
--- a/t/ansi2knr-no-more.sh
+++ b/t/ansi2knr-no-more.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib.sh b/t/ar-lib.sh
index ca62539d4..487a6f12d 100644
--- a/t/ar-lib.sh
+++ b/t/ar-lib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/ar-lib2.sh b/t/ar-lib2.sh
index ddf931e5b..36b2707e9 100644
--- a/t/ar-lib2.sh
+++ b/t/ar-lib2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib3.sh b/t/ar-lib3.sh
index a9bc4a0a0..390401929 100644
--- a/t/ar-lib3.sh
+++ b/t/ar-lib3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib4.sh b/t/ar-lib4.sh
index 23b0b9f02..1f5f0a90d 100644
--- a/t/ar-lib4.sh
+++ b/t/ar-lib4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib5a.sh b/t/ar-lib5a.sh
index 50e0f249f..cdc78cb6f 100644
--- a/t/ar-lib5a.sh
+++ b/t/ar-lib5a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib5b.sh b/t/ar-lib5b.sh
index 54a9e4f85..22cb5332d 100644
--- a/t/ar-lib5b.sh
+++ b/t/ar-lib5b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib6a.sh b/t/ar-lib6a.sh
index f92927548..dd9a3f05b 100644
--- a/t/ar-lib6a.sh
+++ b/t/ar-lib6a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib6b.sh b/t/ar-lib6b.sh
index 264fa10ee..66c6438b1 100644
--- a/t/ar-lib6b.sh
+++ b/t/ar-lib6b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar-lib7.sh b/t/ar-lib7.sh
index ebb665475..019413f25 100644
--- a/t/ar-lib7.sh
+++ b/t/ar-lib7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar.sh b/t/ar.sh
index 6746cea39..1a193f48c 100644
--- a/t/ar.sh
+++ b/t/ar.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ar2.sh b/t/ar2.sh
index 7edae8133..90db56d45 100644
--- a/t/ar2.sh
+++ b/t/ar2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/ar3.sh b/t/ar3.sh
index a2375b605..bd1f53ca9 100644
--- a/t/ar3.sh
+++ b/t/ar3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar4.sh b/t/ar4.sh
index b41f9eae3..8f92f96ad 100644
--- a/t/ar4.sh
+++ b/t/ar4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar5.sh b/t/ar5.sh
index e386d1c5f..005025d65 100644
--- a/t/ar5.sh
+++ b/t/ar5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ar_override.sh b/t/ar_override.sh
index 4f4024989..f0c52b8e7 100644
--- a/t/ar_override.sh
+++ b/t/ar_override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/asm.sh b/t/asm.sh
index aec768b8a..0ea299bb2 100644
--- a/t/asm.sh
+++ b/t/asm.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/asm2.sh b/t/asm2.sh
index 8463f0e42..39820670d 100644
--- a/t/asm2.sh
+++ b/t/asm2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/asm3.sh b/t/asm3.sh
index 5adec1f37..63c052aa1 100644
--- a/t/asm3.sh
+++ b/t/asm3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/autodist-acconfig-no-subdir.sh b/t/autodist-acconfig-no-subdir.sh
index e2b5b8111..55f853ac3 100644
--- a/t/autodist-acconfig-no-subdir.sh
+++ b/t/autodist-acconfig-no-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-acconfig.sh b/t/autodist-acconfig.sh
index e1a413b89..e954fbd4d 100644
--- a/t/autodist-acconfig.sh
+++ b/t/autodist-acconfig.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-aclocal-m4.sh b/t/autodist-aclocal-m4.sh
index 48a3c5d25..65c45eabf 100644
--- a/t/autodist-aclocal-m4.sh
+++ b/t/autodist-aclocal-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-config-headers.sh b/t/autodist-config-headers.sh
index 2f90c089e..1b52eec90 100644
--- a/t/autodist-config-headers.sh
+++ b/t/autodist-config-headers.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-configure-no-subdir.sh b/t/autodist-configure-no-subdir.sh
index 492a93960..3ec258a80 100644
--- a/t/autodist-configure-no-subdir.sh
+++ b/t/autodist-configure-no-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-no-duplicate.sh b/t/autodist-no-duplicate.sh
index 2da0d5327..2dcef1b2d 100644
--- a/t/autodist-no-duplicate.sh
+++ b/t/autodist-no-duplicate.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-stamp-vti.sh b/t/autodist-stamp-vti.sh
index dcc1b61f2..9fbb81e5e 100644
--- a/t/autodist-stamp-vti.sh
+++ b/t/autodist-stamp-vti.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist-subdir.sh b/t/autodist-subdir.sh
index 501028c93..7be551629 100644
--- a/t/autodist-subdir.sh
+++ b/t/autodist-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autodist.sh b/t/autodist.sh
index 4d683a3c7..56f81a2b6 100644
--- a/t/autodist.sh
+++ b/t/autodist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/autohdr-subdir-pr12495.sh b/t/autohdr-subdir-pr12495.sh
index 32da04e14..e32822a10 100644
--- a/t/autohdr-subdir-pr12495.sh
+++ b/t/autohdr-subdir-pr12495.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/autohdr.sh b/t/autohdr.sh
index 0f462a790..ec7fad3fa 100644
--- a/t/autohdr.sh
+++ b/t/autohdr.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/autohdr3.sh b/t/autohdr3.sh
index 5b232b528..f554d60ae 100644
--- a/t/autohdr3.sh
+++ b/t/autohdr3.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/autohdr4.sh b/t/autohdr4.sh
index 43e82b679..f8663d86c 100644
--- a/t/autohdr4.sh
+++ b/t/autohdr4.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/autohdrdry.sh b/t/autohdrdry.sh
index 474484c42..6f2a52133 100644
--- a/t/autohdrdry.sh
+++ b/t/autohdrdry.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/automake-cmdline.tap b/t/automake-cmdline.tap
index 489721d1c..8d5692598 100644
--- a/t/automake-cmdline.tap
+++ b/t/automake-cmdline.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/auxdir-autodetect.sh b/t/auxdir-autodetect.sh
index 9051e7469..f419f3137 100644
--- a/t/auxdir-autodetect.sh
+++ b/t/auxdir-autodetect.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/auxdir-cc-pr15981.sh b/t/auxdir-cc-pr15981.sh
index 179d11da5..901feb2a2 100644
--- a/t/auxdir-cc-pr15981.sh
+++ b/t/auxdir-cc-pr15981.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/auxdir-computed.tap b/t/auxdir-computed.tap
index 597aa48eb..ba3242f37 100644
--- a/t/auxdir-computed.tap
+++ b/t/auxdir-computed.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/auxdir-misplaced.sh b/t/auxdir-misplaced.sh
index 207449a83..72f37e280 100644
--- a/t/auxdir-misplaced.sh
+++ b/t/auxdir-misplaced.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/auxdir-nonexistent.sh b/t/auxdir-nonexistent.sh
index 3084f1fe5..4d731eba4 100644
--- a/t/auxdir-nonexistent.sh
+++ b/t/auxdir-nonexistent.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/auxdir-pr15981.sh b/t/auxdir-pr15981.sh
index bce0938fb..5b9a040a4 100644
--- a/t/auxdir-pr15981.sh
+++ b/t/auxdir-pr15981.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/auxdir-pr19311.sh b/t/auxdir-pr19311.sh
index aa0bb5191..dca7c6831 100644
--- a/t/auxdir-pr19311.sh
+++ b/t/auxdir-pr19311.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/auxdir-subsubdir.sh b/t/auxdir-subsubdir.sh
index 18132ec4c..1c0e350cb 100644
--- a/t/auxdir-subsubdir.sh
+++ b/t/auxdir-subsubdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/auxdir-unportable.tap b/t/auxdir-unportable.tap
index ec4e93ef5..1506ce621 100644
--- a/t/auxdir-unportable.tap
+++ b/t/auxdir-unportable.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/auxdir.sh b/t/auxdir.sh
index 69bf14b67..acbf95a80 100644
--- a/t/auxdir.sh
+++ b/t/auxdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/auxdir6.sh b/t/auxdir6.sh
index 4fa551287..87bc78ba6 100644
--- a/t/auxdir6.sh
+++ b/t/auxdir6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/auxdir7.sh b/t/auxdir7.sh
index 5bfc245d3..8658d37d8 100644
--- a/t/auxdir7.sh
+++ b/t/auxdir7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/auxdir8.sh b/t/auxdir8.sh
index 95612fa18..755a1df19 100644
--- a/t/auxdir8.sh
+++ b/t/auxdir8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ax/am-test-lib.sh b/t/ax/am-test-lib.sh
index 60fb77881..bdf699889 100644
--- a/t/ax/am-test-lib.sh
+++ b/t/ax/am-test-lib.sh
@@ -1,6 +1,6 @@
# -*- shell-script -*-
#
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ax/cc-no-c-o.in b/t/ax/cc-no-c-o.in
index e3afbf083..be5185f27 100644
--- a/t/ax/cc-no-c-o.in
+++ b/t/ax/cc-no-c-o.in
@@ -1,5 +1,5 @@
#! @AM_TEST_RUNNER_SHELL@
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/deltree.pl b/t/ax/deltree.pl
index e4d6bff72..eec6cdb36 100644
--- a/t/ax/deltree.pl
+++ b/t/ax/deltree.pl
@@ -2,7 +2,7 @@
# deltree: recursively removes file and directory,
# trying to handle permissions and other complications.
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/ax/depcomp.sh b/t/ax/depcomp.sh
index f23635086..3c4db10e3 100644
--- a/t/ax/depcomp.sh
+++ b/t/ax/depcomp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/distcheck-hook-m4.am b/t/ax/distcheck-hook-m4.am
index 8bdaa9a75..bc97a6365 100644
--- a/t/ax/distcheck-hook-m4.am
+++ b/t/ax/distcheck-hook-m4.am
@@ -1,6 +1,6 @@
## Data files for some tests. Not used in the automake build system.
##
-## Copyright (C) 2011-2022 Free Software Foundation, Inc.
+## Copyright (C) 2011-2023 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/t/ax/extract-testsuite-summary.pl b/t/ax/extract-testsuite-summary.pl
index a1e6d00d4..fb85be548 100644
--- a/t/ax/extract-testsuite-summary.pl
+++ b/t/ax/extract-testsuite-summary.pl
@@ -2,7 +2,7 @@
# Extract the testsuite summary generated by the parallel testsuite
# harness from the output of "make check".
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/is b/t/ax/is
index 9c9d64a9e..3cb9bcb91 100755
--- a/t/ax/is
+++ b/t/ax/is
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/is_newest b/t/ax/is_newest
index 153146018..30ff9506e 100755
--- a/t/ax/is_newest
+++ b/t/ax/is_newest
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/runtest.in b/t/ax/runtest.in
index 91a5afd52..9ff1034aa 100644
--- a/t/ax/runtest.in
+++ b/t/ax/runtest.in
@@ -1,7 +1,7 @@
#!@AM_TEST_RUNNER_SHELL@
# @configure_input@
#
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/shell-no-trail-bslash.in b/t/ax/shell-no-trail-bslash.in
index d1cb9042b..f6c3885c4 100644
--- a/t/ax/shell-no-trail-bslash.in
+++ b/t/ax/shell-no-trail-bslash.in
@@ -1,5 +1,5 @@
#! @AM_TEST_RUNNER_SHELL@
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/ax/tap-functions.sh b/t/ax/tap-functions.sh
index 35563eae8..bdee5a15a 100644
--- a/t/ax/tap-functions.sh
+++ b/t/ax/tap-functions.sh
@@ -1,6 +1,6 @@
# -*- shell-script -*-
#
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ax/tap-setup.sh b/t/ax/tap-setup.sh
index 320230d0b..c16ccf4a1 100644
--- a/t/ax/tap-setup.sh
+++ b/t/ax/tap-setup.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ax/tap-summary-aux.sh b/t/ax/tap-summary-aux.sh
index ccf27f4d7..8a5e990fa 100644
--- a/t/ax/tap-summary-aux.sh
+++ b/t/ax/tap-summary-aux.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ax/test-defs.in b/t/ax/test-defs.in
index a956d9d84..e09a387cd 100644
--- a/t/ax/test-defs.in
+++ b/t/ax/test-defs.in
@@ -1,7 +1,7 @@
# -*- shell-script -*-
# @configure_input@
#
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ax/test-init.sh b/t/ax/test-init.sh
index 237dfe14c..5b8b161ad 100644
--- a/t/ax/test-init.sh
+++ b/t/ax/test-init.sh
@@ -1,6 +1,6 @@
# -*- shell-script -*-
#
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ax/test-lib.sh b/t/ax/test-lib.sh
index f5c71fa1c..c0a077ceb 100644
--- a/t/ax/test-lib.sh
+++ b/t/ax/test-lib.sh
@@ -1,6 +1,6 @@
# -*- shell-script -*-
#
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ax/testsuite-summary-checks.sh b/t/ax/testsuite-summary-checks.sh
index 6e5466369..696f239fa 100644
--- a/t/ax/testsuite-summary-checks.sh
+++ b/t/ax/testsuite-summary-checks.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ax/trivial-test-driver b/t/ax/trivial-test-driver
index da4ef5349..241a87628 100644
--- a/t/ax/trivial-test-driver
+++ b/t/ax/trivial-test-driver
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/backcompat-acout.sh b/t/backcompat-acout.sh
index 464197842..03ffd8307 100644
--- a/t/backcompat-acout.sh
+++ b/t/backcompat-acout.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/backcompat.sh b/t/backcompat.sh
index 52eec82fe..b408dfcf0 100644
--- a/t/backcompat.sh
+++ b/t/backcompat.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/backcompat2.sh b/t/backcompat2.sh
index 43733a1d4..54be273d7 100644
--- a/t/backcompat2.sh
+++ b/t/backcompat2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/backcompat3.sh b/t/backcompat3.sh
index 6701cf03f..7ab134412 100644
--- a/t/backcompat3.sh
+++ b/t/backcompat3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/backcompat6.sh b/t/backcompat6.sh
index 972236ba9..d543ab803 100644
--- a/t/backcompat6.sh
+++ b/t/backcompat6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/backslash-before-trailing-whitespace.sh b/t/backslash-before-trailing-whitespace.sh
index a59ae4930..7e51c6e3e 100644
--- a/t/backslash-before-trailing-whitespace.sh
+++ b/t/backslash-before-trailing-whitespace.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/backslash-issues.sh b/t/backslash-issues.sh
index f9a0606dc..c3aafb51e 100644
--- a/t/backslash-issues.sh
+++ b/t/backslash-issues.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/badline.sh b/t/badline.sh
index 2645c36ce..bd7b5bbe9 100644
--- a/t/badline.sh
+++ b/t/badline.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/badopt.sh b/t/badopt.sh
index 5924f8943..a50e516ed 100644
--- a/t/badopt.sh
+++ b/t/badopt.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/badprog.sh b/t/badprog.sh
index 6b3167515..c1cadda3d 100644
--- a/t/badprog.sh
+++ b/t/badprog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/built-sources-check.sh b/t/built-sources-check.sh
index 0bf50e69d..f7f796aac 100644
--- a/t/built-sources-check.sh
+++ b/t/built-sources-check.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/built-sources-cond.sh b/t/built-sources-cond.sh
index 114f4d158..35ecd67ac 100644
--- a/t/built-sources-cond.sh
+++ b/t/built-sources-cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/built-sources-fork-bomb.sh b/t/built-sources-fork-bomb.sh
index 588e480b9..b41db628f 100644
--- a/t/built-sources-fork-bomb.sh
+++ b/t/built-sources-fork-bomb.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/built-sources-install-exec.sh b/t/built-sources-install-exec.sh
index bead0d62b..61c2c7bee 100644
--- a/t/built-sources-install-exec.sh
+++ b/t/built-sources-install-exec.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/built-sources-install.sh b/t/built-sources-install.sh
index 736d65d95..afbd2ff57 100644
--- a/t/built-sources-install.sh
+++ b/t/built-sources-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/built-sources-subdir.sh b/t/built-sources-subdir.sh
index 89b1812f9..bb6500b8c 100644
--- a/t/built-sources-subdir.sh
+++ b/t/built-sources-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/built-sources.sh b/t/built-sources.sh
index cfb5d3050..6bfdf2f14 100644
--- a/t/built-sources.sh
+++ b/t/built-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/c-demo.sh b/t/c-demo.sh
index 7e0e8d64f..446551958 100644
--- a/t/c-demo.sh
+++ b/t/c-demo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/candist.sh b/t/candist.sh
index a1010ffaa..82f4bebf4 100644
--- a/t/candist.sh
+++ b/t/candist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/canon-name.sh b/t/canon-name.sh
index e37625cb2..d19d11944 100644
--- a/t/canon-name.sh
+++ b/t/canon-name.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/canon.sh b/t/canon.sh
index a568d737f..604f612d9 100644
--- a/t/canon.sh
+++ b/t/canon.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/canon2.sh b/t/canon2.sh
index 57ae06fc1..3916e37b1 100644
--- a/t/canon2.sh
+++ b/t/canon2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/canon3.sh b/t/canon3.sh
index 60df0f5de..af0b359ae 100644
--- a/t/canon3.sh
+++ b/t/canon3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/canon4.sh b/t/canon4.sh
index 5b1981f16..dd6c28c88 100644
--- a/t/canon4.sh
+++ b/t/canon4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/canon5.sh b/t/canon5.sh
index 97f7f6ed3..6c1959158 100644
--- a/t/canon5.sh
+++ b/t/canon5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/canon6.sh b/t/canon6.sh
index 2272e2530..56be7c25a 100644
--- a/t/canon6.sh
+++ b/t/canon6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/canon7.sh b/t/canon7.sh
index 8bc5ae6fc..fabe34a84 100644
--- a/t/canon7.sh
+++ b/t/canon7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/canon8.sh b/t/canon8.sh
index f97073879..65723daca 100644
--- a/t/canon8.sh
+++ b/t/canon8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/ccnoco-deps.sh b/t/ccnoco-deps.sh
index 6e1634ea8..887d5f9f4 100644
--- a/t/ccnoco-deps.sh
+++ b/t/ccnoco-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/ccnoco-lib.sh b/t/ccnoco-lib.sh
index 71165cb1c..6ba5e6dd1 100644
--- a/t/ccnoco-lib.sh
+++ b/t/ccnoco-lib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ccnoco-lt.sh b/t/ccnoco-lt.sh
index 3dff9767b..31cad6abc 100644
--- a/t/ccnoco-lt.sh
+++ b/t/ccnoco-lt.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ccnoco.sh b/t/ccnoco.sh
index c09baa8bd..100a1013f 100644
--- a/t/ccnoco.sh
+++ b/t/ccnoco.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ccnoco3.sh b/t/ccnoco3.sh
index 4e2442f97..c4103219d 100644
--- a/t/ccnoco3.sh
+++ b/t/ccnoco3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ccnoco4.sh b/t/ccnoco4.sh
index 65a14a5fc..d84bed347 100644
--- a/t/ccnoco4.sh
+++ b/t/ccnoco4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/check-concurrency-bug9245.sh b/t/check-concurrency-bug9245.sh
index 2ed58276a..91854ed45 100644
--- a/t/check-concurrency-bug9245.sh
+++ b/t/check-concurrency-bug9245.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/check-exported-srcdir.sh b/t/check-exported-srcdir.sh
index 5dac3af2a..a98d1adc3 100644
--- a/t/check-exported-srcdir.sh
+++ b/t/check-exported-srcdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/check-fd-redirect.sh b/t/check-fd-redirect.sh
index a99a36c03..c51cefc02 100644
--- a/t/check-fd-redirect.sh
+++ b/t/check-fd-redirect.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/check-no-test-driver.sh b/t/check-no-test-driver.sh
index 927021474..c71d877f3 100644
--- a/t/check-no-test-driver.sh
+++ b/t/check-no-test-driver.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/check-subst-prog.sh b/t/check-subst-prog.sh
index d2ba04d55..72c3c4263 100644
--- a/t/check-subst-prog.sh
+++ b/t/check-subst-prog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/check-subst.sh b/t/check-subst.sh
index a66f0ecd2..3a8c76b32 100644
--- a/t/check-subst.sh
+++ b/t/check-subst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/check-tests-in-builddir.sh b/t/check-tests-in-builddir.sh
index a8a86ab92..8db6be97a 100644
--- a/t/check-tests-in-builddir.sh
+++ b/t/check-tests-in-builddir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/check.sh b/t/check.sh
index 1b3e6293d..27a0c38b0 100644
--- a/t/check.sh
+++ b/t/check.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/check10.sh b/t/check10.sh
index 6bd98f7e3..18bb2e0bd 100644
--- a/t/check10.sh
+++ b/t/check10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/check11.sh b/t/check11.sh
index 77e9cbcd1..7f9edd95a 100644
--- a/t/check11.sh
+++ b/t/check11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/check12.sh b/t/check12.sh
index 446d07772..0503fc864 100644
--- a/t/check12.sh
+++ b/t/check12.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/check2.sh b/t/check2.sh
index 916106ef4..b6f653e25 100644
--- a/t/check2.sh
+++ b/t/check2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/check4.sh b/t/check4.sh
index 51753808e..a05253f11 100644
--- a/t/check4.sh
+++ b/t/check4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/check5.sh b/t/check5.sh
index d4d5c1bed..edd2bd0f3 100644
--- a/t/check5.sh
+++ b/t/check5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/check6.sh b/t/check6.sh
index b6297edf3..894dde637 100644
--- a/t/check6.sh
+++ b/t/check6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/check7.sh b/t/check7.sh
index cec20d34f..b20b878ea 100644
--- a/t/check7.sh
+++ b/t/check7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/check8.sh b/t/check8.sh
index 61175430a..3091404e6 100644
--- a/t/check8.sh
+++ b/t/check8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/checkall.sh b/t/checkall.sh
index a41022385..0c563b759 100644
--- a/t/checkall.sh
+++ b/t/checkall.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/clean.sh b/t/clean.sh
index 0ca84312d..993f22d71 100644
--- a/t/clean.sh
+++ b/t/clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/colneq.sh b/t/colneq.sh
index e58ba51c6..0e3e0cc15 100644
--- a/t/colneq.sh
+++ b/t/colneq.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/colneq2.sh b/t/colneq2.sh
index a5119ec28..c7cfac46d 100644
--- a/t/colneq2.sh
+++ b/t/colneq2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/colneq3.sh b/t/colneq3.sh
index 0269c62d9..4034d19b1 100644
--- a/t/colneq3.sh
+++ b/t/colneq3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/colon.sh b/t/colon.sh
index 1dcc55015..5c9b237df 100644
--- a/t/colon.sh
+++ b/t/colon.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/colon2.sh b/t/colon2.sh
index d52065ce8..a1829ba9e 100644
--- a/t/colon2.sh
+++ b/t/colon2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/colon3.sh b/t/colon3.sh
index 728994145..9e18c2d83 100644
--- a/t/colon3.sh
+++ b/t/colon3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/colon4.sh b/t/colon4.sh
index 0effdf5f7..2ececc5d2 100644
--- a/t/colon4.sh
+++ b/t/colon4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/colon5.sh b/t/colon5.sh
index 224cf7eb2..60fca63b4 100644
--- a/t/colon5.sh
+++ b/t/colon5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/colon6.sh b/t/colon6.sh
index 0a11ab1c5..2b8fec45b 100644
--- a/t/colon6.sh
+++ b/t/colon6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/colon7.sh b/t/colon7.sh
index 34545f1a5..82d934504 100644
--- a/t/colon7.sh
+++ b/t/colon7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/color-tests-opt.sh b/t/color-tests-opt.sh
index 4754d7f37..6ccb11511 100644
--- a/t/color-tests-opt.sh
+++ b/t/color-tests-opt.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/color-tests.sh b/t/color-tests.sh
index 03ff170f4..723626774 100644
--- a/t/color-tests.sh
+++ b/t/color-tests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/color-tests2.sh b/t/color-tests2.sh
index b2547400c..8d133178e 100644
--- a/t/color-tests2.sh
+++ b/t/color-tests2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/commen10.sh b/t/commen10.sh
index 53ff8e7fa..6b427a909 100644
--- a/t/commen10.sh
+++ b/t/commen10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/commen11.sh b/t/commen11.sh
index a8ea0859e..74a1b9f89 100644
--- a/t/commen11.sh
+++ b/t/commen11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/comment-block.sh b/t/comment-block.sh
index 4aa7dc2e3..5a0cd7ac8 100644
--- a/t/comment-block.sh
+++ b/t/comment-block.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/comment.sh b/t/comment.sh
index 652420cdb..a957e75fc 100644
--- a/t/comment.sh
+++ b/t/comment.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/comment12.sh b/t/comment12.sh
index 3653126f4..8d82d7dce 100644
--- a/t/comment12.sh
+++ b/t/comment12.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/comment2.sh b/t/comment2.sh
index 4c7544b54..4163b3b75 100644
--- a/t/comment2.sh
+++ b/t/comment2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/comment3.sh b/t/comment3.sh
index 049c16337..49306fd99 100644
--- a/t/comment3.sh
+++ b/t/comment3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/comment4.sh b/t/comment4.sh
index c73d332a9..5fef55ab5 100644
--- a/t/comment4.sh
+++ b/t/comment4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/comment5.sh b/t/comment5.sh
index 5af1eeb8a..528a80a0f 100644
--- a/t/comment5.sh
+++ b/t/comment5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/comment6.sh b/t/comment6.sh
index 2fa3b988e..fe4e1139e 100644
--- a/t/comment6.sh
+++ b/t/comment6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/comment7.sh b/t/comment7.sh
index 115d91166..4da159503 100644
--- a/t/comment7.sh
+++ b/t/comment7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/comment8.sh b/t/comment8.sh
index 707d246f0..afdd6aa6d 100644
--- a/t/comment8.sh
+++ b/t/comment8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/comment9.sh b/t/comment9.sh
index 7eae28a54..877cf207a 100644
--- a/t/comment9.sh
+++ b/t/comment9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/comments-escaped-in-var.sh b/t/comments-escaped-in-var.sh
index 75c01a702..8c9c2cf2c 100644
--- a/t/comments-escaped-in-var.sh
+++ b/t/comments-escaped-in-var.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/comments-in-var-def.sh b/t/comments-in-var-def.sh
index 7d62e2673..d6d7dc39a 100644
--- a/t/comments-in-var-def.sh
+++ b/t/comments-in-var-def.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/compile.sh b/t/compile.sh
index da7ff3a47..7c6597f7f 100644
--- a/t/compile.sh
+++ b/t/compile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/compile2.sh b/t/compile2.sh
index 90080c7de..3976f74c7 100644
--- a/t/compile2.sh
+++ b/t/compile2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/compile3.sh b/t/compile3.sh
index 0e7fee201..ce540df72 100644
--- a/t/compile3.sh
+++ b/t/compile3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/compile4.sh b/t/compile4.sh
index 33fa2536b..ae0901afa 100644
--- a/t/compile4.sh
+++ b/t/compile4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/compile5.sh b/t/compile5.sh
index 810b47c61..08db337f8 100644
--- a/t/compile5.sh
+++ b/t/compile5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/compile6.sh b/t/compile6.sh
index 402bc9264..02af110f8 100644
--- a/t/compile6.sh
+++ b/t/compile6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/compile7.sh b/t/compile7.sh
index f43982d81..d0508fb6f 100644
--- a/t/compile7.sh
+++ b/t/compile7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/compile_f90_c_cxx.sh b/t/compile_f90_c_cxx.sh
index 368d522ec..61c4e7e4a 100644
--- a/t/compile_f90_c_cxx.sh
+++ b/t/compile_f90_c_cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/compile_f_c_cxx.sh b/t/compile_f_c_cxx.sh
index c7734f4d6..feda6a67b 100644
--- a/t/compile_f_c_cxx.sh
+++ b/t/compile_f_c_cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cond-basic.sh b/t/cond-basic.sh
index d9b8d5b42..3bb5ce367 100644
--- a/t/cond-basic.sh
+++ b/t/cond-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond.sh b/t/cond.sh
index 479b4e3c0..ba76a83e1 100644
--- a/t/cond.sh
+++ b/t/cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/cond10.sh b/t/cond10.sh
index 6348a1401..e3b67dd9b 100644
--- a/t/cond10.sh
+++ b/t/cond10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond11.sh b/t/cond11.sh
index 4050a6635..c6d32b6fc 100644
--- a/t/cond11.sh
+++ b/t/cond11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond13.sh b/t/cond13.sh
index 2a53f5cf0..671270a1d 100644
--- a/t/cond13.sh
+++ b/t/cond13.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond14.sh b/t/cond14.sh
index 92468da52..3e483d7ac 100644
--- a/t/cond14.sh
+++ b/t/cond14.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond15.sh b/t/cond15.sh
index e5bc053b3..2c08d804e 100644
--- a/t/cond15.sh
+++ b/t/cond15.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond16.sh b/t/cond16.sh
index 1748a4ae1..47b26ba78 100644
--- a/t/cond16.sh
+++ b/t/cond16.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond17.sh b/t/cond17.sh
index 34e69e3b4..0ee37e3f1 100644
--- a/t/cond17.sh
+++ b/t/cond17.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond18.sh b/t/cond18.sh
index 50b50cc72..4bc9ebfa6 100644
--- a/t/cond18.sh
+++ b/t/cond18.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond19.sh b/t/cond19.sh
index 315e68b63..e29c90ce4 100644
--- a/t/cond19.sh
+++ b/t/cond19.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond20.sh b/t/cond20.sh
index b49e14e23..11d31355d 100644
--- a/t/cond20.sh
+++ b/t/cond20.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cond21.sh b/t/cond21.sh
index e8b43ef7c..be9411899 100644
--- a/t/cond21.sh
+++ b/t/cond21.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond22.sh b/t/cond22.sh
index a31fdb557..5fb7c9749 100644
--- a/t/cond22.sh
+++ b/t/cond22.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond23.sh b/t/cond23.sh
index 5f19280af..f23cb606d 100644
--- a/t/cond23.sh
+++ b/t/cond23.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond24.sh b/t/cond24.sh
index 4c9c32e69..532e080ff 100644
--- a/t/cond24.sh
+++ b/t/cond24.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond25.sh b/t/cond25.sh
index 5a10b37f3..844200d0c 100644
--- a/t/cond25.sh
+++ b/t/cond25.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond26.sh b/t/cond26.sh
index 861dc33b4..77cc0c5b5 100644
--- a/t/cond26.sh
+++ b/t/cond26.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond27.sh b/t/cond27.sh
index ce3689277..1b736781b 100644
--- a/t/cond27.sh
+++ b/t/cond27.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond28.sh b/t/cond28.sh
index 6f903ce78..7264b2634 100644
--- a/t/cond28.sh
+++ b/t/cond28.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond3.sh b/t/cond3.sh
index 3fcde5b64..0da1c522f 100644
--- a/t/cond3.sh
+++ b/t/cond3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/cond30.sh b/t/cond30.sh
index d5c23e902..503c77507 100644
--- a/t/cond30.sh
+++ b/t/cond30.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/cond31.sh b/t/cond31.sh
index 92e6ef452..6c33b8cbe 100644
--- a/t/cond31.sh
+++ b/t/cond31.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/cond32.sh b/t/cond32.sh
index 0da131b01..641df8ff7 100644
--- a/t/cond32.sh
+++ b/t/cond32.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/cond33.sh b/t/cond33.sh
index f9e0ba67e..ed6eecff1 100644
--- a/t/cond33.sh
+++ b/t/cond33.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/cond34.sh b/t/cond34.sh
index 69a2789f9..718d8cc1b 100644
--- a/t/cond34.sh
+++ b/t/cond34.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/cond35.sh b/t/cond35.sh
index 215a22548..dc3b8aae9 100644
--- a/t/cond35.sh
+++ b/t/cond35.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/cond36.sh b/t/cond36.sh
index c2ef0f4fa..c5255de2c 100644
--- a/t/cond36.sh
+++ b/t/cond36.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/cond37.sh b/t/cond37.sh
index 74154b8ff..2d4783cc5 100644
--- a/t/cond37.sh
+++ b/t/cond37.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/cond38.sh b/t/cond38.sh
index bb05e3bf4..e60296dfc 100644
--- a/t/cond38.sh
+++ b/t/cond38.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/cond39.sh b/t/cond39.sh
index aaf2c7264..a55c08922 100644
--- a/t/cond39.sh
+++ b/t/cond39.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/cond4.sh b/t/cond4.sh
index d5c428d38..8a920d4f8 100644
--- a/t/cond4.sh
+++ b/t/cond4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cond40.sh b/t/cond40.sh
index 2242f1279..7360aa41a 100644
--- a/t/cond40.sh
+++ b/t/cond40.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/cond41.sh b/t/cond41.sh
index ebddf1b33..6bc450e03 100644
--- a/t/cond41.sh
+++ b/t/cond41.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/cond42.sh b/t/cond42.sh
index dc76df0d2..27a214096 100644
--- a/t/cond42.sh
+++ b/t/cond42.sh
@@ -1,6 +1,6 @@
#!/bin/sh
nfig
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/cond43.sh b/t/cond43.sh
index ea1140e19..4a0976053 100644
--- a/t/cond43.sh
+++ b/t/cond43.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/cond44.sh b/t/cond44.sh
index a19e07cba..f8fd72a39 100644
--- a/t/cond44.sh
+++ b/t/cond44.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond45.sh b/t/cond45.sh
index 10c2069d5..d4fe12242 100644
--- a/t/cond45.sh
+++ b/t/cond45.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cond46.sh b/t/cond46.sh
index fa78cb45e..ce67a3e5c 100644
--- a/t/cond46.sh
+++ b/t/cond46.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/cond5.sh b/t/cond5.sh
index fd920d203..52ae26aa2 100644
--- a/t/cond5.sh
+++ b/t/cond5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cond6.sh b/t/cond6.sh
index 9a59453d0..3e37da129 100644
--- a/t/cond6.sh
+++ b/t/cond6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cond7.sh b/t/cond7.sh
index 3e5084e11..659c458a6 100644
--- a/t/cond7.sh
+++ b/t/cond7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cond8.sh b/t/cond8.sh
index e09f29616..0428e4abd 100644
--- a/t/cond8.sh
+++ b/t/cond8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/cond9.sh b/t/cond9.sh
index 65464b2b2..6b502eb57 100644
--- a/t/cond9.sh
+++ b/t/cond9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/condd.sh b/t/condd.sh
index 52cb91f6e..0623c1235 100644
--- a/t/condd.sh
+++ b/t/condd.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/condhook.sh b/t/condhook.sh
index e67f9e3e2..19f83ac6e 100644
--- a/t/condhook.sh
+++ b/t/condhook.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/condhook2.sh b/t/condhook2.sh
index 7d7d94ec9..998dfc613 100644
--- a/t/condhook2.sh
+++ b/t/condhook2.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/condinc.sh b/t/condinc.sh
index f8620c565..0d921bed8 100644
--- a/t/condinc.sh
+++ b/t/condinc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/condinc2.sh b/t/condinc2.sh
index 80fc06b6b..ff44b7997 100644
--- a/t/condinc2.sh
+++ b/t/condinc2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/condlib.sh b/t/condlib.sh
index 3159a58b2..f52ae7dd1 100644
--- a/t/condlib.sh
+++ b/t/condlib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/condman2.sh b/t/condman2.sh
index cba8b6b44..bbfb35dc1 100644
--- a/t/condman2.sh
+++ b/t/condman2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/condman3.sh b/t/condman3.sh
index dd9748ff8..6576e94a6 100644
--- a/t/condman3.sh
+++ b/t/condman3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/confdeps.sh b/t/confdeps.sh
index d3fbaa882..da0f670ac 100644
--- a/t/confdeps.sh
+++ b/t/confdeps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/conff.sh b/t/conff.sh
index ec855dad0..e708cf229 100644
--- a/t/conff.sh
+++ b/t/conff.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/conff2.sh b/t/conff2.sh
index b21ae481f..ae2cf1157 100644
--- a/t/conff2.sh
+++ b/t/conff2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/conffile-leading-dot.sh b/t/conffile-leading-dot.sh
index dced297a9..26cb9ec45 100644
--- a/t/conffile-leading-dot.sh
+++ b/t/conffile-leading-dot.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/confh-subdir-clean.sh b/t/confh-subdir-clean.sh
index da958e6f4..1b5d8c4c1 100644
--- a/t/confh-subdir-clean.sh
+++ b/t/confh-subdir-clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/confh.sh b/t/confh.sh
index 36b011cbd..ac20d8c89 100644
--- a/t/confh.sh
+++ b/t/confh.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/confh4.sh b/t/confh4.sh
index c77efa764..3f509f4ef 100644
--- a/t/confh4.sh
+++ b/t/confh4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/confh5.sh b/t/confh5.sh
index 7f3f7c7ad..595bb0d6b 100644
--- a/t/confh5.sh
+++ b/t/confh5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/confh6.sh b/t/confh6.sh
index 4e31cc74f..1963f1f76 100644
--- a/t/confh6.sh
+++ b/t/confh6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/confh7.sh b/t/confh7.sh
index 0d09078dd..835a8d498 100644
--- a/t/confh7.sh
+++ b/t/confh7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/confh8.sh b/t/confh8.sh
index 0f25ffa1c..d8ff0e92b 100644
--- a/t/confh8.sh
+++ b/t/confh8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/configure.sh b/t/configure.sh
index 2c5cd3ca7..9990acb91 100644
--- a/t/configure.sh
+++ b/t/configure.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/confincl.sh b/t/confincl.sh
index 2be4adf04..16e847c6c 100644
--- a/t/confincl.sh
+++ b/t/confincl.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/conflnk.sh b/t/conflnk.sh
index 44639d03a..0c8336fa9 100644
--- a/t/conflnk.sh
+++ b/t/conflnk.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/conflnk2.sh b/t/conflnk2.sh
index ed8c43717..c8d7e1797 100644
--- a/t/conflnk2.sh
+++ b/t/conflnk2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/conflnk3.sh b/t/conflnk3.sh
index 6e8705907..63b192ead 100644
--- a/t/conflnk3.sh
+++ b/t/conflnk3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/conflnk4.sh b/t/conflnk4.sh
index f13fe71e9..51f3c8b1d 100644
--- a/t/conflnk4.sh
+++ b/t/conflnk4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/confsub.sh b/t/confsub.sh
index 7e75a8e7d..5694331bd 100644
--- a/t/confsub.sh
+++ b/t/confsub.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/confvar.sh b/t/confvar.sh
index 928413fb1..b1e7a46ed 100644
--- a/t/confvar.sh
+++ b/t/confvar.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/confvar2.sh b/t/confvar2.sh
index b06fd5df9..529a11531 100644
--- a/t/confvar2.sh
+++ b/t/confvar2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/copy.sh b/t/copy.sh
index ea68417b1..8cf0a1237 100644
--- a/t/copy.sh
+++ b/t/copy.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/cscope.tap b/t/cscope.tap
index d2d39af7c..0a8469a76 100644
--- a/t/cscope.tap
+++ b/t/cscope.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/cscope2.sh b/t/cscope2.sh
index 73e806a57..b79888ac5 100644
--- a/t/cscope2.sh
+++ b/t/cscope2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/cscope3.sh b/t/cscope3.sh
index 9d95ded22..f55dbc4e4 100644
--- a/t/cscope3.sh
+++ b/t/cscope3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/cxx-demo.sh b/t/cxx-demo.sh
index 3ceb5107b..b0e0ec5da 100644
--- a/t/cxx-demo.sh
+++ b/t/cxx-demo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/cxx-lt-demo.sh b/t/cxx-lt-demo.sh
index 1c69203d2..54affcc06 100644
--- a/t/cxx-lt-demo.sh
+++ b/t/cxx-lt-demo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/cxx.sh b/t/cxx.sh
index 82f7ba9cd..9604ba0c0 100644
--- a/t/cxx.sh
+++ b/t/cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/cxx2.sh b/t/cxx2.sh
index e6c5556f4..03816b6c6 100644
--- a/t/cxx2.sh
+++ b/t/cxx2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/cxxcpp.sh b/t/cxxcpp.sh
index 28235087e..8dcea56cd 100644
--- a/t/cxxcpp.sh
+++ b/t/cxxcpp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/cxxlibobj.sh b/t/cxxlibobj.sh
index c09a7d49b..46dfab7b7 100644
--- a/t/cxxlibobj.sh
+++ b/t/cxxlibobj.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/cxxlink.sh b/t/cxxlink.sh
index c4045d8c0..c07f202cd 100644
--- a/t/cxxlink.sh
+++ b/t/cxxlink.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/cxxnoc.sh b/t/cxxnoc.sh
index 8950336f2..4732761e9 100644
--- a/t/cxxnoc.sh
+++ b/t/cxxnoc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/cygnus-no-more.sh b/t/cygnus-no-more.sh
index 33e87ec08..6d2908452 100644
--- a/t/cygnus-no-more.sh
+++ b/t/cygnus-no-more.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/cygwin32.sh b/t/cygwin32.sh
index e9eda7d23..8d3a74a4a 100644
--- a/t/cygwin32.sh
+++ b/t/cygwin32.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/dash.sh b/t/dash.sh
index f81972c30..3daef19ea 100644
--- a/t/dash.sh
+++ b/t/dash.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/defun.sh b/t/defun.sh
index 9cb7a0613..fb5eaec9c 100644
--- a/t/defun.sh
+++ b/t/defun.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/defun2.sh b/t/defun2.sh
index ff4f68c00..b86458f68 100644
--- a/t/defun2.sh
+++ b/t/defun2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/dejagnu-absolute-builddir.sh b/t/dejagnu-absolute-builddir.sh
index 00b6d3dc3..dba1f950f 100644
--- a/t/dejagnu-absolute-builddir.sh
+++ b/t/dejagnu-absolute-builddir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dejagnu-relative-srcdir.sh b/t/dejagnu-relative-srcdir.sh
index b2748846e..ade7d63be 100644
--- a/t/dejagnu-relative-srcdir.sh
+++ b/t/dejagnu-relative-srcdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dejagnu-siteexp-append.sh b/t/dejagnu-siteexp-append.sh
index 24f5bda2b..5598f8b7e 100644
--- a/t/dejagnu-siteexp-append.sh
+++ b/t/dejagnu-siteexp-append.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dejagnu-siteexp-extend.sh b/t/dejagnu-siteexp-extend.sh
index 1554c467e..ef030d416 100644
--- a/t/dejagnu-siteexp-extend.sh
+++ b/t/dejagnu-siteexp-extend.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dejagnu-siteexp-useredit.sh b/t/dejagnu-siteexp-useredit.sh
index acd025794..f6182f21a 100644
--- a/t/dejagnu-siteexp-useredit.sh
+++ b/t/dejagnu-siteexp-useredit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dejagnu.sh b/t/dejagnu.sh
index a8ce7d5ff..c5d7d6278 100644
--- a/t/dejagnu.sh
+++ b/t/dejagnu.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/dejagnu2.sh b/t/dejagnu2.sh
index 96a593915..ecdd2d8de 100644
--- a/t/dejagnu2.sh
+++ b/t/dejagnu2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/dejagnu3.sh b/t/dejagnu3.sh
index bff471615..3585e9120 100644
--- a/t/dejagnu3.sh
+++ b/t/dejagnu3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dejagnu4.sh b/t/dejagnu4.sh
index 4aa26298c..a9aadccb5 100644
--- a/t/dejagnu4.sh
+++ b/t/dejagnu4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dejagnu5.sh b/t/dejagnu5.sh
index 1bd430051..3a5303616 100644
--- a/t/dejagnu5.sh
+++ b/t/dejagnu5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dejagnu6.sh b/t/dejagnu6.sh
index 82f0e7e82..8f78b12f3 100644
--- a/t/dejagnu6.sh
+++ b/t/dejagnu6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dejagnu7.sh b/t/dejagnu7.sh
index 75f034165..5f4f4340b 100644
--- a/t/dejagnu7.sh
+++ b/t/dejagnu7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/deleted-am.sh b/t/deleted-am.sh
index 0c3bb9646..fda641ec0 100644
--- a/t/deleted-am.sh
+++ b/t/deleted-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/deleted-m4.sh b/t/deleted-m4.sh
index 83c17fd2b..dec9a46bf 100644
--- a/t/deleted-m4.sh
+++ b/t/deleted-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/depacl2.sh b/t/depacl2.sh
index 43a51fda5..9074404af 100644
--- a/t/depacl2.sh
+++ b/t/depacl2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/depcomp-implicit-auxdir.sh b/t/depcomp-implicit-auxdir.sh
index af402dfe1..a0f7f590d 100644
--- a/t/depcomp-implicit-auxdir.sh
+++ b/t/depcomp-implicit-auxdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/depcomp.sh b/t/depcomp.sh
index f16ef74e6..047e929e8 100644
--- a/t/depcomp.sh
+++ b/t/depcomp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/depcomp2.sh b/t/depcomp2.sh
index 7d60de66d..af97a5f46 100644
--- a/t/depcomp2.sh
+++ b/t/depcomp2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/depcomp8a.sh b/t/depcomp8a.sh
index 2875d4b25..f811211cb 100644
--- a/t/depcomp8a.sh
+++ b/t/depcomp8a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/depcomp8b.sh b/t/depcomp8b.sh
index 41c611d2c..0acdada4e 100644
--- a/t/depcomp8b.sh
+++ b/t/depcomp8b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/depdist.sh b/t/depdist.sh
index ea56ef08f..5f640c1fe 100644
--- a/t/depdist.sh
+++ b/t/depdist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/depend-postproc.sh b/t/depend-postproc.sh
index db832c5fb..6a915f4f6 100644
--- a/t/depend-postproc.sh
+++ b/t/depend-postproc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/depend.sh b/t/depend.sh
index 48de16f0c..ba49ac560 100644
--- a/t/depend.sh
+++ b/t/depend.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/depend3.sh b/t/depend3.sh
index 4d20b8db5..e26a70827 100644
--- a/t/depend3.sh
+++ b/t/depend3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/depend4.sh b/t/depend4.sh
index ef730e473..f8dde9935 100644
--- a/t/depend4.sh
+++ b/t/depend4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/depend5.sh b/t/depend5.sh
index 06000d3ef..88cb15b27 100644
--- a/t/depend5.sh
+++ b/t/depend5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/depend6.sh b/t/depend6.sh
index 848f48fc9..7dffc80b9 100644
--- a/t/depend6.sh
+++ b/t/depend6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/deprecated-acinit.sh b/t/deprecated-acinit.sh
index 645aedf5a..8b370e29f 100644
--- a/t/deprecated-acinit.sh
+++ b/t/deprecated-acinit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/destdir.sh b/t/destdir.sh
index c1cf48dd8..1696180fa 100644
--- a/t/destdir.sh
+++ b/t/destdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/dir-named-obj-is-bad.sh b/t/dir-named-obj-is-bad.sh
index e7a2603ae..28f78e9b2 100644
--- a/t/dir-named-obj-is-bad.sh
+++ b/t/dir-named-obj-is-bad.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/discover.sh b/t/discover.sh
index 394c9b913..eec6760be 100644
--- a/t/discover.sh
+++ b/t/discover.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/dist-auxdir-many-subdirs.sh b/t/dist-auxdir-many-subdirs.sh
index b26dc29e7..869241242 100644
--- a/t/dist-auxdir-many-subdirs.sh
+++ b/t/dist-auxdir-many-subdirs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-auxfile-2.sh b/t/dist-auxfile-2.sh
index 88d283fa4..21ec903fd 100644
--- a/t/dist-auxfile-2.sh
+++ b/t/dist-auxfile-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-auxfile.sh b/t/dist-auxfile.sh
index 360d3bd2b..842adaa0a 100644
--- a/t/dist-auxfile.sh
+++ b/t/dist-auxfile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-formats.tap b/t/dist-formats.tap
index 9313bbb53..dcb67911e 100644
--- a/t/dist-formats.tap
+++ b/t/dist-formats.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/dist-included-parent-dir.sh b/t/dist-included-parent-dir.sh
index 4c85763bf..c4993cc85 100644
--- a/t/dist-included-parent-dir.sh
+++ b/t/dist-included-parent-dir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/dist-install-sh.sh b/t/dist-install-sh.sh
index fd9c282e5..8800cdd21 100644
--- a/t/dist-install-sh.sh
+++ b/t/dist-install-sh.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/dist-lzma.sh b/t/dist-lzma.sh
index ab31aeb2e..7a4b8f51e 100644
--- a/t/dist-lzma.sh
+++ b/t/dist-lzma.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dist-missing-am.sh b/t/dist-missing-am.sh
index 8c0c0f7bb..ca50a95d0 100644
--- a/t/dist-missing-am.sh
+++ b/t/dist-missing-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-missing-included-m4.sh b/t/dist-missing-included-m4.sh
index 18939a28a..bc687b1d1 100644
--- a/t/dist-missing-included-m4.sh
+++ b/t/dist-missing-included-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-missing-m4.sh b/t/dist-missing-m4.sh
index 0981d41bb..b42991c6b 100644
--- a/t/dist-missing-m4.sh
+++ b/t/dist-missing-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-no-built-sources.sh b/t/dist-no-built-sources.sh
index 099c2eeb7..020359c71 100644
--- a/t/dist-no-built-sources.sh
+++ b/t/dist-no-built-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/dist-pr109765.sh b/t/dist-pr109765.sh
index ffc17d7ba..fdfdb1371 100644
--- a/t/dist-pr109765.sh
+++ b/t/dist-pr109765.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/dist-readonly.sh b/t/dist-readonly.sh
index 7c780e926..e1e8e0f4a 100644
--- a/t/dist-readonly.sh
+++ b/t/dist-readonly.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-repeated.sh b/t/dist-repeated.sh
index c6ffff03d..2566bca9a 100644
--- a/t/dist-repeated.sh
+++ b/t/dist-repeated.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dist-shar.sh b/t/dist-shar.sh
index 542f4059a..95bce63e5 100644
--- a/t/dist-shar.sh
+++ b/t/dist-shar.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/dist-tarZ.sh b/t/dist-tarZ.sh
index 37b8d8c78..3988ef7fc 100644
--- a/t/dist-tarZ.sh
+++ b/t/dist-tarZ.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/dist-vs-built-sources.sh b/t/dist-vs-built-sources.sh
index d038e66dd..da8c8fb23 100644
--- a/t/dist-vs-built-sources.sh
+++ b/t/dist-vs-built-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 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/t/dist-with-unreadable-makefile-fails.sh b/t/dist-with-unreadable-makefile-fails.sh
index 605a2ae71..1adc4fd47 100644
--- a/t/dist-with-unreadable-makefile-fails.sh
+++ b/t/dist-with-unreadable-makefile-fails.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/distcheck-configure-flags-am.sh b/t/distcheck-configure-flags-am.sh
index bdb0e7b78..4c99ccc7a 100644
--- a/t/distcheck-configure-flags-am.sh
+++ b/t/distcheck-configure-flags-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-configure-flags-subpkg.sh b/t/distcheck-configure-flags-subpkg.sh
index 2f6df49bb..89a8061fe 100644
--- a/t/distcheck-configure-flags-subpkg.sh
+++ b/t/distcheck-configure-flags-subpkg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-configure-flags.sh b/t/distcheck-configure-flags.sh
index 4d87abfd1..629aef6a7 100644
--- a/t/distcheck-configure-flags.sh
+++ b/t/distcheck-configure-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-hook.sh b/t/distcheck-hook.sh
index 1a461bcd9..5f46bf867 100644
--- a/t/distcheck-hook.sh
+++ b/t/distcheck-hook.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-hook2.sh b/t/distcheck-hook2.sh
index 08afe1f2a..44945deb6 100644
--- a/t/distcheck-hook2.sh
+++ b/t/distcheck-hook2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-missing-m4.sh b/t/distcheck-missing-m4.sh
index 5f361b862..6ddb94dd8 100644
--- a/t/distcheck-missing-m4.sh
+++ b/t/distcheck-missing-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-no-prefix-or-srcdir-override.sh b/t/distcheck-no-prefix-or-srcdir-override.sh
index 28b757bfe..8d700512b 100644
--- a/t/distcheck-no-prefix-or-srcdir-override.sh
+++ b/t/distcheck-no-prefix-or-srcdir-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/distcheck-outdated-m4.sh b/t/distcheck-outdated-m4.sh
index b76b53142..7fdcc62ce 100644
--- a/t/distcheck-outdated-m4.sh
+++ b/t/distcheck-outdated-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-override-dvi.sh b/t/distcheck-override-dvi.sh
index d9dc6cc80..6a9cb62e9 100644
--- a/t/distcheck-override-dvi.sh
+++ b/t/distcheck-override-dvi.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-override-infodir.sh b/t/distcheck-override-infodir.sh
index 61fa68bad..c8f090604 100644
--- a/t/distcheck-override-infodir.sh
+++ b/t/distcheck-override-infodir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-pr10470.sh b/t/distcheck-pr10470.sh
index 3c3ced478..8ff9a6d73 100644
--- a/t/distcheck-pr10470.sh
+++ b/t/distcheck-pr10470.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/distcheck-pr18286.sh b/t/distcheck-pr18286.sh
index 3bf81293a..5410e2d71 100644
--- a/t/distcheck-pr18286.sh
+++ b/t/distcheck-pr18286.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2023 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/t/distcheck-pr9579.sh b/t/distcheck-pr9579.sh
index 8d9679ba0..51755ae08 100644
--- a/t/distcheck-pr9579.sh
+++ b/t/distcheck-pr9579.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/distcheck-writable-srcdir.sh b/t/distcheck-writable-srcdir.sh
index 277a69295..dabf3cf87 100644
--- a/t/distcheck-writable-srcdir.sh
+++ b/t/distcheck-writable-srcdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/distcleancheck.sh b/t/distcleancheck.sh
index c8c959963..6b6b04829 100644
--- a/t/distcleancheck.sh
+++ b/t/distcleancheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/distcom-subdir.sh b/t/distcom-subdir.sh
index fe79621d1..419661c42 100644
--- a/t/distcom-subdir.sh
+++ b/t/distcom-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/distcom2.sh b/t/distcom2.sh
index b1c569510..3c42e670b 100644
--- a/t/distcom2.sh
+++ b/t/distcom2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/distcom3.sh b/t/distcom3.sh
index 428f6bec6..c38aedb3f 100644
--- a/t/distcom3.sh
+++ b/t/distcom3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/distcom4.sh b/t/distcom4.sh
index 082c35650..21fb4326f 100644
--- a/t/distcom4.sh
+++ b/t/distcom4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/distcom5.sh b/t/distcom5.sh
index 483fd377e..98aa11a9b 100644
--- a/t/distcom5.sh
+++ b/t/distcom5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/distdir.sh b/t/distdir.sh
index 3ec0b207b..acc17e3e6 100644
--- a/t/distdir.sh
+++ b/t/distdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/disthook.sh b/t/disthook.sh
index 84a10920c..2980dc253 100644
--- a/t/disthook.sh
+++ b/t/disthook.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/distlinks.sh b/t/distlinks.sh
index 1458e56a4..0a3674daf 100644
--- a/t/distlinks.sh
+++ b/t/distlinks.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/distlinksbrk.sh b/t/distlinksbrk.sh
index 883bf53e1..1d0bf138c 100644
--- a/t/distlinksbrk.sh
+++ b/t/distlinksbrk.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/distname.sh b/t/distname.sh
index afe123759..2929084d5 100644
--- a/t/distname.sh
+++ b/t/distname.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/dmalloc.sh b/t/dmalloc.sh
index 4ef709cfe..96fbfdb13 100644
--- a/t/dmalloc.sh
+++ b/t/dmalloc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/doc-parsing-buglets-colneq-subst.sh b/t/doc-parsing-buglets-colneq-subst.sh
index 02b2f0acd..b8129dba9 100644
--- a/t/doc-parsing-buglets-colneq-subst.sh
+++ b/t/doc-parsing-buglets-colneq-subst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/doc-parsing-buglets-tabs.sh b/t/doc-parsing-buglets-tabs.sh
index 78fe08bb0..fdd1039d6 100644
--- a/t/doc-parsing-buglets-tabs.sh
+++ b/t/doc-parsing-buglets-tabs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/dollar.sh b/t/dollar.sh
index 22013f959..96c16b6e7 100644
--- a/t/dollar.sh
+++ b/t/dollar.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/dollarvar.sh b/t/dollarvar.sh
index 1b076a0d9..cddd3ea9a 100644
--- a/t/dollarvar.sh
+++ b/t/dollarvar.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/dollarvar2.sh b/t/dollarvar2.sh
index 2ff2a9e18..5f794a61f 100644
--- a/t/dollarvar2.sh
+++ b/t/dollarvar2.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/double.sh b/t/double.sh
index 5428133ba..186d7208d 100644
--- a/t/double.sh
+++ b/t/double.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/dup2.sh b/t/dup2.sh
index e3fb69476..dfe93650c 100644
--- a/t/dup2.sh
+++ b/t/dup2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/else.sh b/t/else.sh
index 74359b1c3..65619272d 100644
--- a/t/else.sh
+++ b/t/else.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/empty-data-primary.sh b/t/empty-data-primary.sh
index 624517afc..cbda956b7 100644
--- a/t/empty-data-primary.sh
+++ b/t/empty-data-primary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/empty-sources-primary.tap b/t/empty-sources-primary.tap
index a100edd21..0d1361917 100644
--- a/t/empty-sources-primary.tap
+++ b/t/empty-sources-primary.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/exdir.sh b/t/exdir.sh
index 4500d8611..8bbe805b6 100644
--- a/t/exdir.sh
+++ b/t/exdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/exdir2.sh b/t/exdir2.sh
index d94a0f07d..393ba86ca 100644
--- a/t/exdir2.sh
+++ b/t/exdir2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/exdir3.sh b/t/exdir3.sh
index 832f46c7d..e0e1ddcbb 100644
--- a/t/exdir3.sh
+++ b/t/exdir3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/exeext.sh b/t/exeext.sh
index ec43b3540..fcb2b102a 100644
--- a/t/exeext.sh
+++ b/t/exeext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/exeext2.sh b/t/exeext2.sh
index 6997c7e41..85f0f7d67 100644
--- a/t/exeext2.sh
+++ b/t/exeext2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/exeext3.sh b/t/exeext3.sh
index 8f8ca1952..13126017f 100644
--- a/t/exeext3.sh
+++ b/t/exeext3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/exeext4.sh b/t/exeext4.sh
index 3fd96ee5b..04114c5b6 100644
--- a/t/exeext4.sh
+++ b/t/exeext4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/ext.sh b/t/ext.sh
index 9d9f7625d..aa1e2ee53 100644
--- a/t/ext.sh
+++ b/t/ext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/ext2.sh b/t/ext2.sh
index 6a8c8ff53..787fe401b 100644
--- a/t/ext2.sh
+++ b/t/ext2.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/ext3.sh b/t/ext3.sh
index e49e42554..ef6cc6143 100644
--- a/t/ext3.sh
+++ b/t/ext3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/extra-data.sh b/t/extra-data.sh
index f13100234..2f5f16266 100644
--- a/t/extra-data.sh
+++ b/t/extra-data.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/extra-deps-lt.sh b/t/extra-deps-lt.sh
index ed731aedd..2edf1ba1e 100644
--- a/t/extra-deps-lt.sh
+++ b/t/extra-deps-lt.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/extra-deps.sh b/t/extra-deps.sh
index bad35f166..3fa4b26e8 100644
--- a/t/extra-deps.sh
+++ b/t/extra-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/extra-dist-dirs-and-subdirs.sh b/t/extra-dist-dirs-and-subdirs.sh
index efb393fc9..2b01c4b32 100644
--- a/t/extra-dist-dirs-and-subdirs.sh
+++ b/t/extra-dist-dirs-and-subdirs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/extra-dist-vpath-dir-merge.sh b/t/extra-dist-vpath-dir-merge.sh
index b20c440de..a335f754f 100644
--- a/t/extra-dist-vpath-dir-merge.sh
+++ b/t/extra-dist-vpath-dir-merge.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/extra-dist-vpath-dir.sh b/t/extra-dist-vpath-dir.sh
index 3b5f3e636..fdec434af 100644
--- a/t/extra-dist-vpath-dir.sh
+++ b/t/extra-dist-vpath-dir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/extra-dist-wildcards-gnu.sh b/t/extra-dist-wildcards-gnu.sh
index bb732eb9d..f805b5f24 100644
--- a/t/extra-dist-wildcards-gnu.sh
+++ b/t/extra-dist-wildcards-gnu.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/extra-dist-wildcards-vpath.sh b/t/extra-dist-wildcards-vpath.sh
index 820b11a66..431295b6a 100644
--- a/t/extra-dist-wildcards-vpath.sh
+++ b/t/extra-dist-wildcards-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/extra-dist-wildcards.sh b/t/extra-dist-wildcards.sh
index 6861ad3c8..12b2b0076 100644
--- a/t/extra-dist-wildcards.sh
+++ b/t/extra-dist-wildcards.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/extra-portability.sh b/t/extra-portability.sh
index f6121ca2a..a40bc2b36 100644
--- a/t/extra-portability.sh
+++ b/t/extra-portability.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/extra-portability2.sh b/t/extra-portability2.sh
index 21a444ef4..94404e324 100644
--- a/t/extra-portability2.sh
+++ b/t/extra-portability2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/extra-portability3.sh b/t/extra-portability3.sh
index 755ff2343..5220ae125 100644
--- a/t/extra-portability3.sh
+++ b/t/extra-portability3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/extra-programs-and-libs.sh b/t/extra-programs-and-libs.sh
index 5742823f1..cd0e35fd7 100644
--- a/t/extra-programs-and-libs.sh
+++ b/t/extra-programs-and-libs.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/extra-programs-empty.sh b/t/extra-programs-empty.sh
index 21160a74c..4ebe40567 100644
--- a/t/extra-programs-empty.sh
+++ b/t/extra-programs-empty.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/extra-programs-misc.sh b/t/extra-programs-misc.sh
index 3723fb4e3..3dc4f6cb8 100644
--- a/t/extra-programs-misc.sh
+++ b/t/extra-programs-misc.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/extra-sources-no-spurious.sh b/t/extra-sources-no-spurious.sh
index 6a1277c12..e275340c0 100644
--- a/t/extra-sources-no-spurious.sh
+++ b/t/extra-sources-no-spurious.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/extra-sources.sh b/t/extra-sources.sh
index 006baf74b..5477cb97f 100644
--- a/t/extra-sources.sh
+++ b/t/extra-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/extra.sh b/t/extra.sh
index 6a322f3a4..5cc7b027e 100644
--- a/t/extra.sh
+++ b/t/extra.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/f90only.sh b/t/f90only.sh
index 10b32b65c..56a2b52fa 100644
--- a/t/f90only.sh
+++ b/t/f90only.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/flavor.sh b/t/flavor.sh
index 4d34bcbaf..2291bdf40 100644
--- a/t/flavor.sh
+++ b/t/flavor.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/flibs.sh b/t/flibs.sh
index 9ab7e74bd..e7b0dcc4a 100644
--- a/t/flibs.sh
+++ b/t/flibs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/fn99.sh b/t/fn99.sh
index d2c09efe8..62745b296 100644
--- a/t/fn99.sh
+++ b/t/fn99.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/fn99subdir.sh b/t/fn99subdir.sh
index 5e6c8c7c9..75db86d88 100644
--- a/t/fn99subdir.sh
+++ b/t/fn99subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/fnoc.sh b/t/fnoc.sh
index 06722872c..97b694c63 100644
--- a/t/fnoc.sh
+++ b/t/fnoc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/fonly.sh b/t/fonly.sh
index c392dd831..a1ff6c915 100644
--- a/t/fonly.sh
+++ b/t/fonly.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/forcemiss.sh b/t/forcemiss.sh
index 569b8f764..9aa8ff6d5 100644
--- a/t/forcemiss.sh
+++ b/t/forcemiss.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/forcemiss2.sh b/t/forcemiss2.sh
index e74f035d4..df534ee14 100644
--- a/t/forcemiss2.sh
+++ b/t/forcemiss2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/fort1.sh b/t/fort1.sh
index 33e38a5dd..7d2d9e3a3 100644
--- a/t/fort1.sh
+++ b/t/fort1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/fort2.sh b/t/fort2.sh
index cc4bb3a91..b0e4c5313 100644
--- a/t/fort2.sh
+++ b/t/fort2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/fort4.sh b/t/fort4.sh
index 9aa036de2..5ea152439 100644
--- a/t/fort4.sh
+++ b/t/fort4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/fort5.sh b/t/fort5.sh
index c0686339e..c7568aee8 100644
--- a/t/fort5.sh
+++ b/t/fort5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/fortdep.sh b/t/fortdep.sh
index 6c0e8983f..edf4600dc 100644
--- a/t/fortdep.sh
+++ b/t/fortdep.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/gcj.sh b/t/gcj.sh
index 8644e5456..fba05119f 100644
--- a/t/gcj.sh
+++ b/t/gcj.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/gcj2.sh b/t/gcj2.sh
index 529453868..ffea44ece 100644
--- a/t/gcj2.sh
+++ b/t/gcj2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/gcj3.sh b/t/gcj3.sh
index 7b3844958..862189f2e 100644
--- a/t/gcj3.sh
+++ b/t/gcj3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/gcj4.sh b/t/gcj4.sh
index d8562eaf9..03d039cf0 100644
--- a/t/gcj4.sh
+++ b/t/gcj4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gcj5.sh b/t/gcj5.sh
index 4eb9b2b32..21c34d72b 100644
--- a/t/gcj5.sh
+++ b/t/gcj5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gcj6.sh b/t/gcj6.sh
index e3fb0ba9a..3624e31db 100644
--- a/t/gcj6.sh
+++ b/t/gcj6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/get-sysconf.sh b/t/get-sysconf.sh
index 51ec7f5d1..11aa48bde 100644
--- a/t/get-sysconf.sh
+++ b/t/get-sysconf.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/gettext-basics.sh b/t/gettext-basics.sh
index 45b5f9da8..93fe782f4 100644
--- a/t/gettext-basics.sh
+++ b/t/gettext-basics.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gettext-config-rpath.sh b/t/gettext-config-rpath.sh
index 1672e8f9c..3953a0c3d 100644
--- a/t/gettext-config-rpath.sh
+++ b/t/gettext-config-rpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gettext-external-pr338.sh b/t/gettext-external-pr338.sh
index e4f7567b7..83f4cc158 100644
--- a/t/gettext-external-pr338.sh
+++ b/t/gettext-external-pr338.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gettext-intl-subdir.sh b/t/gettext-intl-subdir.sh
index 4bbf6f135..d12be387f 100644
--- a/t/gettext-intl-subdir.sh
+++ b/t/gettext-intl-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/gettext-macros.sh b/t/gettext-macros.sh
index 4e9fe55e4..e352e6790 100644
--- a/t/gettext-macros.sh
+++ b/t/gettext-macros.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/gettext-pr381.sh b/t/gettext-pr381.sh
index e7a3fe015..562e2226c 100644
--- a/t/gettext-pr381.sh
+++ b/t/gettext-pr381.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gnits.sh b/t/gnits.sh
index b8b18043e..16e52496d 100644
--- a/t/gnits.sh
+++ b/t/gnits.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/gnits2.sh b/t/gnits2.sh
index cc47d111d..3351d0541 100644
--- a/t/gnits2.sh
+++ b/t/gnits2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gnits3.sh b/t/gnits3.sh
index 6aa760170..4d6866ed3 100644
--- a/t/gnits3.sh
+++ b/t/gnits3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gnumake.sh b/t/gnumake.sh
index 3d913cb86..468d98b09 100644
--- a/t/gnumake.sh
+++ b/t/gnumake.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/gnuwarn.sh b/t/gnuwarn.sh
index 5797ee022..66850fc58 100644
--- a/t/gnuwarn.sh
+++ b/t/gnuwarn.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/gnuwarn2.sh b/t/gnuwarn2.sh
index 3f3e8cd52..e89388a9d 100644
--- a/t/gnuwarn2.sh
+++ b/t/gnuwarn2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/hdr-vars-defined-once.sh b/t/hdr-vars-defined-once.sh
index 9ac4f013d..344772136 100644
--- a/t/hdr-vars-defined-once.sh
+++ b/t/hdr-vars-defined-once.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/header.sh b/t/header.sh
index 9072c069e..b98955957 100644
--- a/t/header.sh
+++ b/t/header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/help-depend.sh b/t/help-depend.sh
index a5d11e954..e7c53f311 100644
--- a/t/help-depend.sh
+++ b/t/help-depend.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-depend2.sh b/t/help-depend2.sh
index 5feb3ab68..391d74180 100644
--- a/t/help-depend2.sh
+++ b/t/help-depend2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-dmalloc.sh b/t/help-dmalloc.sh
index e9ae7e099..bff9de331 100644
--- a/t/help-dmalloc.sh
+++ b/t/help-dmalloc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-init.sh b/t/help-init.sh
index 477da1142..e537d314d 100644
--- a/t/help-init.sh
+++ b/t/help-init.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-lispdir.sh b/t/help-lispdir.sh
index 5b9f25a6c..7c61ea75b 100644
--- a/t/help-lispdir.sh
+++ b/t/help-lispdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-python.sh b/t/help-python.sh
index ddb75787d..9c2fd30b7 100644
--- a/t/help-python.sh
+++ b/t/help-python.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/help-silent.sh b/t/help-silent.sh
index 16a01af2d..9f4bb7728 100644
--- a/t/help-silent.sh
+++ b/t/help-silent.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help-upc.sh b/t/help-upc.sh
index bc8127ed3..d95737dc7 100644
--- a/t/help-upc.sh
+++ b/t/help-upc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help.sh b/t/help.sh
index 368f2261b..280621125 100644
--- a/t/help.sh
+++ b/t/help.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/help2.sh b/t/help2.sh
index bb0b7da7d..08bde0873 100644
--- a/t/help2.sh
+++ b/t/help2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help3.sh b/t/help3.sh
index fe68fc791..272871099 100644
--- a/t/help3.sh
+++ b/t/help3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/help4.sh b/t/help4.sh
index 0eecee783..b9670155c 100644
--- a/t/help4.sh
+++ b/t/help4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/hfs.sh b/t/hfs.sh
index 3fecaade5..0a22c8d9d 100644
--- a/t/hfs.sh
+++ b/t/hfs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/implicit.sh b/t/implicit.sh
index 2994321ce..b038fd840 100644
--- a/t/implicit.sh
+++ b/t/implicit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/init.sh b/t/init.sh
index b1dc23023..9d757fd93 100644
--- a/t/init.sh
+++ b/t/init.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/init2.sh b/t/init2.sh
index 30fd953d4..b28cb3763 100644
--- a/t/init2.sh
+++ b/t/init2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/install-info-dir.sh b/t/install-info-dir.sh
index 1bb128ed8..4d64f2a98 100644
--- a/t/install-info-dir.sh
+++ b/t/install-info-dir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/install-sh-option-C.sh b/t/install-sh-option-C.sh
index 63c15912a..a76ec4874 100644
--- a/t/install-sh-option-C.sh
+++ b/t/install-sh-option-C.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/install-sh-option-S.sh b/t/install-sh-option-S.sh
index b0ac2c501..5f818ae45 100644
--- a/t/install-sh-option-S.sh
+++ b/t/install-sh-option-S.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/install-sh-unittests.sh b/t/install-sh-unittests.sh
index 2d7a4aceb..c3e08f9d8 100644
--- a/t/install-sh-unittests.sh
+++ b/t/install-sh-unittests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/installdir.sh b/t/installdir.sh
index a090f82eb..c57dee802 100644
--- a/t/installdir.sh
+++ b/t/installdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/instdat.sh b/t/instdat.sh
index 929cd6139..5b99b61eb 100644
--- a/t/instdat.sh
+++ b/t/instdat.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/instdat2.sh b/t/instdat2.sh
index b0bee7cfa..8a890dfb4 100644
--- a/t/instdat2.sh
+++ b/t/instdat2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/instdir-cond.sh b/t/instdir-cond.sh
index a4b8b6223..ab0df81a7 100644
--- a/t/instdir-cond.sh
+++ b/t/instdir-cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/instdir-cond2.sh b/t/instdir-cond2.sh
index 700900aab..2024ad9b4 100644
--- a/t/instdir-cond2.sh
+++ b/t/instdir-cond2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/instdir-java.sh b/t/instdir-java.sh
index 7a3810251..2e0eff94a 100644
--- a/t/instdir-java.sh
+++ b/t/instdir-java.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir-lisp.sh b/t/instdir-lisp.sh
index 9e142dc62..57307dd34 100644
--- a/t/instdir-lisp.sh
+++ b/t/instdir-lisp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir-ltlib.sh b/t/instdir-ltlib.sh
index 5ae00adce..8fc0839e4 100644
--- a/t/instdir-ltlib.sh
+++ b/t/instdir-ltlib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir-no-empty.sh b/t/instdir-no-empty.sh
index e87576332..bb48b9e39 100644
--- a/t/instdir-no-empty.sh
+++ b/t/instdir-no-empty.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/instdir-prog.sh b/t/instdir-prog.sh
index b598dd92f..a69713088 100644
--- a/t/instdir-prog.sh
+++ b/t/instdir-prog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir-python.sh b/t/instdir-python.sh
index c56c14664..edeab8d1c 100644
--- a/t/instdir-python.sh
+++ b/t/instdir-python.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir-texi.sh b/t/instdir-texi.sh
index 837bef31d..bd051c171 100644
--- a/t/instdir-texi.sh
+++ b/t/instdir-texi.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir.sh b/t/instdir.sh
index 7cc6e0383..543f93da8 100644
--- a/t/instdir.sh
+++ b/t/instdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instdir2.sh b/t/instdir2.sh
index 40a335774..e92e13ace 100644
--- a/t/instdir2.sh
+++ b/t/instdir2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/instexec.sh b/t/instexec.sh
index 25dc8d066..39441e77b 100644
--- a/t/instexec.sh
+++ b/t/instexec.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/instfail-info.sh b/t/instfail-info.sh
index aa5d563b7..dc484875a 100644
--- a/t/instfail-info.sh
+++ b/t/instfail-info.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instfail-java.sh b/t/instfail-java.sh
index 0d66f2f3d..1634e8f61 100644
--- a/t/instfail-java.sh
+++ b/t/instfail-java.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instfail-libtool.sh b/t/instfail-libtool.sh
index 1984d134f..7740dc0cb 100644
--- a/t/instfail-libtool.sh
+++ b/t/instfail-libtool.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instfail.sh b/t/instfail.sh
index c14204b71..ce03b9d99 100644
--- a/t/instfail.sh
+++ b/t/instfail.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/insthook.sh b/t/insthook.sh
index 9b53434d4..95fb53ad5 100644
--- a/t/insthook.sh
+++ b/t/insthook.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/instman.sh b/t/instman.sh
index 99c13dbaf..93ba8c1d0 100644
--- a/t/instman.sh
+++ b/t/instman.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/instman2.sh b/t/instman2.sh
index b9d41eaf0..4b31c2665 100644
--- a/t/instman2.sh
+++ b/t/instman2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/instmany-mans.sh b/t/instmany-mans.sh
index 52f0ceacd..2fd9d7845 100644
--- a/t/instmany-mans.sh
+++ b/t/instmany-mans.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instmany-python.sh b/t/instmany-python.sh
index 7bf779cd3..c97ab0979 100644
--- a/t/instmany-python.sh
+++ b/t/instmany-python.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instmany.sh b/t/instmany.sh
index 16243e4f1..3066d780e 100644
--- a/t/instmany.sh
+++ b/t/instmany.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/instspc.tap b/t/instspc.tap
index 0625a097c..00841bca2 100644
--- a/t/instspc.tap
+++ b/t/instspc.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/interp.sh b/t/interp.sh
index 5589fd734..605cfa246 100644
--- a/t/interp.sh
+++ b/t/interp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/interp2.sh b/t/interp2.sh
index 689db7784..fca5aa8a1 100644
--- a/t/interp2.sh
+++ b/t/interp2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/java-check.sh b/t/java-check.sh
index 8b2feb7e0..05827bd78 100644
--- a/t/java-check.sh
+++ b/t/java-check.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-clean.sh b/t/java-clean.sh
index e7a9d8f92..c2faf45cf 100644
--- a/t/java-clean.sh
+++ b/t/java-clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/java-compile-install.sh b/t/java-compile-install.sh
index 48fb2fa33..267f6a7bf 100644
--- a/t/java-compile-install.sh
+++ b/t/java-compile-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-compile-run-flat.sh b/t/java-compile-run-flat.sh
index 42fe1df41..e6b3a7283 100644
--- a/t/java-compile-run-flat.sh
+++ b/t/java-compile-run-flat.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-compile-run-nested.sh b/t/java-compile-run-nested.sh
index 9ee7d3de1..568e9fc94 100644
--- a/t/java-compile-run-nested.sh
+++ b/t/java-compile-run-nested.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-empty-classpath.sh b/t/java-empty-classpath.sh
index f248e6cbf..e370d4db4 100644
--- a/t/java-empty-classpath.sh
+++ b/t/java-empty-classpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-extra.sh b/t/java-extra.sh
index c9bf6e62a..c6576ed5e 100644
--- a/t/java-extra.sh
+++ b/t/java-extra.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-mix.sh b/t/java-mix.sh
index 2ab30892d..62647a06d 100644
--- a/t/java-mix.sh
+++ b/t/java-mix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-no-duplicate.sh b/t/java-no-duplicate.sh
index f33e424b1..3039e0752 100644
--- a/t/java-no-duplicate.sh
+++ b/t/java-no-duplicate.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-nobase.sh b/t/java-nobase.sh
index 287e70715..2d273550a 100644
--- a/t/java-nobase.sh
+++ b/t/java-nobase.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-noinst.sh b/t/java-noinst.sh
index 3440c4e84..c0a3126b0 100644
--- a/t/java-noinst.sh
+++ b/t/java-noinst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-rebuild.sh b/t/java-rebuild.sh
index 8fc9405c8..8eddd28d3 100644
--- a/t/java-rebuild.sh
+++ b/t/java-rebuild.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-sources.sh b/t/java-sources.sh
index 8559fdbb4..7b21951de 100644
--- a/t/java-sources.sh
+++ b/t/java-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/java-uninstall.sh b/t/java-uninstall.sh
index 71abafe65..bd7916343 100644
--- a/t/java-uninstall.sh
+++ b/t/java-uninstall.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/java.sh b/t/java.sh
index 0d06216f8..880f8cf75 100644
--- a/t/java.sh
+++ b/t/java.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/java2.sh b/t/java2.sh
index 7058fa0aa..79cae2c7a 100644
--- a/t/java2.sh
+++ b/t/java2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/java3.sh b/t/java3.sh
index 76a6bff75..db88dfed3 100644
--- a/t/java3.sh
+++ b/t/java3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/javadir-undefined.sh b/t/javadir-undefined.sh
index 2a8d83e6a..bc588b991 100644
--- a/t/javadir-undefined.sh
+++ b/t/javadir-undefined.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/javaflags.sh b/t/javaflags.sh
index 7d1ca6b8a..b9e291cc7 100644
--- a/t/javaflags.sh
+++ b/t/javaflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/javaprim.sh b/t/javaprim.sh
index 339896f55..e5e6c55a6 100644
--- a/t/javaprim.sh
+++ b/t/javaprim.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/javasubst.sh b/t/javasubst.sh
index 774ca6cbf..9ab51cc0c 100644
--- a/t/javasubst.sh
+++ b/t/javasubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/ldadd.sh b/t/ldadd.sh
index 5d62bd561..2aa361643 100644
--- a/t/ldadd.sh
+++ b/t/ldadd.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/ldflags.sh b/t/ldflags.sh
index 2cafdc0fb..341e5ac51 100644
--- a/t/ldflags.sh
+++ b/t/ldflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/lex-clean-cxx.sh b/t/lex-clean-cxx.sh
index bf431fa78..3632d5c87 100644
--- a/t/lex-clean-cxx.sh
+++ b/t/lex-clean-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-clean.sh b/t/lex-clean.sh
index 5aa199338..1ee7d8f5b 100644
--- a/t/lex-clean.sh
+++ b/t/lex-clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-depend-cxx.sh b/t/lex-depend-cxx.sh
index 5f640cba6..60615a54e 100644
--- a/t/lex-depend-cxx.sh
+++ b/t/lex-depend-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-depend-grep.sh b/t/lex-depend-grep.sh
index 0d62609de..bac9be87c 100644
--- a/t/lex-depend-grep.sh
+++ b/t/lex-depend-grep.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/lex-depend.sh b/t/lex-depend.sh
index c6fde8c1f..16f937ef1 100644
--- a/t/lex-depend.sh
+++ b/t/lex-depend.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-header.sh b/t/lex-header.sh
index 73beb95b6..22567642e 100644
--- a/t/lex-header.sh
+++ b/t/lex-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-lib-external.sh b/t/lex-lib-external.sh
index 1d37b3e69..85403612f 100644
--- a/t/lex-lib-external.sh
+++ b/t/lex-lib-external.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-lib.sh b/t/lex-lib.sh
index a251534d5..f0a0d37f6 100644
--- a/t/lex-lib.sh
+++ b/t/lex-lib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/lex-libobj.sh b/t/lex-libobj.sh
index 5d4c13ebd..b26381fcf 100644
--- a/t/lex-libobj.sh
+++ b/t/lex-libobj.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/lex-line.sh b/t/lex-line.sh
index ef2a2a808..340800ef2 100644
--- a/t/lex-line.sh
+++ b/t/lex-line.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-multiple.sh b/t/lex-multiple.sh
index 2655b633e..9565bd6b8 100644
--- a/t/lex-multiple.sh
+++ b/t/lex-multiple.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lex-nodist.sh b/t/lex-nodist.sh
index 599539405..73e23a13e 100644
--- a/t/lex-nodist.sh
+++ b/t/lex-nodist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-noyywrap.sh b/t/lex-noyywrap.sh
index c11813429..1c61a1ab3 100644
--- a/t/lex-noyywrap.sh
+++ b/t/lex-noyywrap.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/lex-pr204.sh b/t/lex-pr204.sh
index b7d9c40a1..ebfaafef5 100644
--- a/t/lex-pr204.sh
+++ b/t/lex-pr204.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex-subobj-nodep.sh b/t/lex-subobj-nodep.sh
index 2903252d2..f8bb87a9c 100644
--- a/t/lex-subobj-nodep.sh
+++ b/t/lex-subobj-nodep.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/lex.sh b/t/lex.sh
index 6aec1d13a..f24cee2e1 100644
--- a/t/lex.sh
+++ b/t/lex.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/lex2.sh b/t/lex2.sh
index 73d64a3fd..a54c12115 100644
--- a/t/lex2.sh
+++ b/t/lex2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/lex3.sh b/t/lex3.sh
index 7de5fe2a6..41b87dc06 100644
--- a/t/lex3.sh
+++ b/t/lex3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/lex5.sh b/t/lex5.sh
index 0563a35ee..3d84d9b41 100644
--- a/t/lex5.sh
+++ b/t/lex5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/lexcpp.sh b/t/lexcpp.sh
index 06fc237cb..3a967dc9d 100644
--- a/t/lexcpp.sh
+++ b/t/lexcpp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/lexvpath.sh b/t/lexvpath.sh
index 84187a916..5185a1f71 100644
--- a/t/lexvpath.sh
+++ b/t/lexvpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/lflags-cxx.sh b/t/lflags-cxx.sh
index 6725b4b9b..4437c200c 100644
--- a/t/lflags-cxx.sh
+++ b/t/lflags-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/lflags.sh b/t/lflags.sh
index ed50a53a0..c3b070505 100644
--- a/t/lflags.sh
+++ b/t/lflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libexec.sh b/t/libexec.sh
index 8bd033851..67bc80062 100644
--- a/t/libexec.sh
+++ b/t/libexec.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/libobj-basic.sh b/t/libobj-basic.sh
index 5a5dacefe..0e513e7c5 100644
--- a/t/libobj-basic.sh
+++ b/t/libobj-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj-no-dependency-tracking.sh b/t/libobj-no-dependency-tracking.sh
index 3b338a907..86fd96e25 100644
--- a/t/libobj-no-dependency-tracking.sh
+++ b/t/libobj-no-dependency-tracking.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 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/t/libobj10.sh b/t/libobj10.sh
index f60f3f709..60797980e 100644
--- a/t/libobj10.sh
+++ b/t/libobj10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/libobj12.sh b/t/libobj12.sh
index b6b5450d2..3fa351213 100644
--- a/t/libobj12.sh
+++ b/t/libobj12.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libobj13.sh b/t/libobj13.sh
index 785f04872..480c27429 100644
--- a/t/libobj13.sh
+++ b/t/libobj13.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libobj14.sh b/t/libobj14.sh
index aa73707af..36212720f 100644
--- a/t/libobj14.sh
+++ b/t/libobj14.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/libobj15a.sh b/t/libobj15a.sh
index 853cf7acc..58694462d 100644
--- a/t/libobj15a.sh
+++ b/t/libobj15a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj15b.sh b/t/libobj15b.sh
index 070c6c37f..d15564aa8 100644
--- a/t/libobj15b.sh
+++ b/t/libobj15b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj15c.sh b/t/libobj15c.sh
index a61b27103..8d8d7345f 100644
--- a/t/libobj15c.sh
+++ b/t/libobj15c.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj16a.sh b/t/libobj16a.sh
index 8d19d3dbb..0a8e058b8 100644
--- a/t/libobj16a.sh
+++ b/t/libobj16a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj16b.sh b/t/libobj16b.sh
index a53936d6c..5582ebab8 100644
--- a/t/libobj16b.sh
+++ b/t/libobj16b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj17.sh b/t/libobj17.sh
index aee45e675..721ced614 100644
--- a/t/libobj17.sh
+++ b/t/libobj17.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj18.sh b/t/libobj18.sh
index 2e8a298e3..0679062be 100644
--- a/t/libobj18.sh
+++ b/t/libobj18.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj19.sh b/t/libobj19.sh
index c1a45ae19..965ea188d 100644
--- a/t/libobj19.sh
+++ b/t/libobj19.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj2.sh b/t/libobj2.sh
index 0f6ea749d..d5719d63d 100644
--- a/t/libobj2.sh
+++ b/t/libobj2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/libobj20a.sh b/t/libobj20a.sh
index 0d3fd2c33..6be2a5e1b 100644
--- a/t/libobj20a.sh
+++ b/t/libobj20a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj20b.sh b/t/libobj20b.sh
index 5d2ac6758..a51ce9bc2 100644
--- a/t/libobj20b.sh
+++ b/t/libobj20b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj20c.sh b/t/libobj20c.sh
index 195e45eec..69dbab534 100644
--- a/t/libobj20c.sh
+++ b/t/libobj20c.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/libobj3.sh b/t/libobj3.sh
index a87cc5fb5..33f97f80e 100644
--- a/t/libobj3.sh
+++ b/t/libobj3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/libobj4.sh b/t/libobj4.sh
index 269e96b8f..14390118e 100644
--- a/t/libobj4.sh
+++ b/t/libobj4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/libobj5.sh b/t/libobj5.sh
index 8ed4ac822..3acc793e0 100644
--- a/t/libobj5.sh
+++ b/t/libobj5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/libobj7.sh b/t/libobj7.sh
index e0778c8ac..b5cf9b12d 100644
--- a/t/libobj7.sh
+++ b/t/libobj7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/library.sh b/t/library.sh
index 38e6dd6f3..5539e1764 100644
--- a/t/library.sh
+++ b/t/library.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/library2.sh b/t/library2.sh
index 2c664f15d..623fc7c44 100644
--- a/t/library2.sh
+++ b/t/library2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/library3.sh b/t/library3.sh
index 0514c2d05..a084f41ed 100644
--- a/t/library3.sh
+++ b/t/library3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libtoo10.sh b/t/libtoo10.sh
index aa816c2a3..3b41a3e13 100644
--- a/t/libtoo10.sh
+++ b/t/libtoo10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/libtoo11.sh b/t/libtoo11.sh
index 5162f77e6..c8d6d6f1c 100644
--- a/t/libtoo11.sh
+++ b/t/libtoo11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/libtool-macros.sh b/t/libtool-macros.sh
index 00e6f63f0..6d88f559e 100644
--- a/t/libtool-macros.sh
+++ b/t/libtool-macros.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/libtool.sh b/t/libtool.sh
index 6c180ee1b..1062824bc 100644
--- a/t/libtool.sh
+++ b/t/libtool.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/libtool2.sh b/t/libtool2.sh
index d712c4027..ecbf3946f 100644
--- a/t/libtool2.sh
+++ b/t/libtool2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/libtool3.sh b/t/libtool3.sh
index a0c73bdda..c29781ff1 100644
--- a/t/libtool3.sh
+++ b/t/libtool3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libtool4.sh b/t/libtool4.sh
index 1a1728610..ee4adf80e 100644
--- a/t/libtool4.sh
+++ b/t/libtool4.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libtool5.sh b/t/libtool5.sh
index 2aa09a27c..47e9f4820 100644
--- a/t/libtool5.sh
+++ b/t/libtool5.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libtool6.sh b/t/libtool6.sh
index 070e318fe..7b499dd8c 100644
--- a/t/libtool6.sh
+++ b/t/libtool6.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/libtool7.sh b/t/libtool7.sh
index 5bd2352e6..2e02d4342 100644
--- a/t/libtool7.sh
+++ b/t/libtool7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/libtool8.sh b/t/libtool8.sh
index e00e49ace..5ccfd9f18 100644
--- a/t/libtool8.sh
+++ b/t/libtool8.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/libtool9.sh b/t/libtool9.sh
index 61d89130e..8a5af077b 100644
--- a/t/libtool9.sh
+++ b/t/libtool9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/license.sh b/t/license.sh
index 27acc6f6e..90bfaaf70 100644
--- a/t/license.sh
+++ b/t/license.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/license2.sh b/t/license2.sh
index a0b9025da..e510f35bb 100644
--- a/t/license2.sh
+++ b/t/license2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/link_c_cxx.sh b/t/link_c_cxx.sh
index eb52ed582..279a4c8ec 100644
--- a/t/link_c_cxx.sh
+++ b/t/link_c_cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_cond.sh b/t/link_cond.sh
index e7a13b614..45d0d7f40 100644
--- a/t/link_cond.sh
+++ b/t/link_cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/link_dist.sh b/t/link_dist.sh
index 7e9be8616..c59380a0a 100644
--- a/t/link_dist.sh
+++ b/t/link_dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/link_f90_only.sh b/t/link_f90_only.sh
index d6f725e59..841a246bf 100644
--- a/t/link_f90_only.sh
+++ b/t/link_f90_only.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_f_only.sh b/t/link_f_only.sh
index 2166f8b08..012113d3c 100644
--- a/t/link_f_only.sh
+++ b/t/link_f_only.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_fc.sh b/t/link_fc.sh
index 90222d823..3e2b1406c 100644
--- a/t/link_fc.sh
+++ b/t/link_fc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_fccxx.sh b/t/link_fccxx.sh
index 7d123a3a7..f2dbf19e8 100644
--- a/t/link_fccxx.sh
+++ b/t/link_fccxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_fcxx.sh b/t/link_fcxx.sh
index a8e3c1870..c830e4137 100644
--- a/t/link_fcxx.sh
+++ b/t/link_fcxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/link_override.sh b/t/link_override.sh
index 86bdcc752..8d94b7504 100644
--- a/t/link_override.sh
+++ b/t/link_override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/lisp-flags.sh b/t/lisp-flags.sh
index 3a1135572..775986cef 100644
--- a/t/lisp-flags.sh
+++ b/t/lisp-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/lisp-loadpath.sh b/t/lisp-loadpath.sh
index f8d6b4135..0d729a4a1 100644
--- a/t/lisp-loadpath.sh
+++ b/t/lisp-loadpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lisp-pr11806.sh b/t/lisp-pr11806.sh
index fc087e5d8..964734c04 100644
--- a/t/lisp-pr11806.sh
+++ b/t/lisp-pr11806.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lisp-readonly-srcdir.sh b/t/lisp-readonly-srcdir.sh
index 97cb5cbc2..2e941fbbe 100644
--- a/t/lisp-readonly-srcdir.sh
+++ b/t/lisp-readonly-srcdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 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/t/lisp-subdir-mix.sh b/t/lisp-subdir-mix.sh
index 09e436907..61ffa3a8c 100644
--- a/t/lisp-subdir-mix.sh
+++ b/t/lisp-subdir-mix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lisp-subdir.sh b/t/lisp-subdir.sh
index f33a60b3f..98c24553e 100644
--- a/t/lisp-subdir.sh
+++ b/t/lisp-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lisp-subdir2.sh b/t/lisp-subdir2.sh
index ca65a9783..5358d5a2c 100644
--- a/t/lisp-subdir2.sh
+++ b/t/lisp-subdir2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/lisp2.sh b/t/lisp2.sh
index 56e794831..6964a1626 100644
--- a/t/lisp2.sh
+++ b/t/lisp2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/lisp3.sh b/t/lisp3.sh
index 6a4b9a20b..f9ae88a6e 100644
--- a/t/lisp3.sh
+++ b/t/lisp3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/lisp4.sh b/t/lisp4.sh
index 601682abb..5204e66ca 100644
--- a/t/lisp4.sh
+++ b/t/lisp4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/lisp5.sh b/t/lisp5.sh
index c136c5d50..fbf0e0198 100644
--- a/t/lisp5.sh
+++ b/t/lisp5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/lisp6.sh b/t/lisp6.sh
index 5e960ee89..00321d46d 100644
--- a/t/lisp6.sh
+++ b/t/lisp6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/lisp7.sh b/t/lisp7.sh
index a092b3a3c..6d861c7ae 100644
--- a/t/lisp7.sh
+++ b/t/lisp7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/lisp8.sh b/t/lisp8.sh
index bf49c3d3c..bc71b6287 100644
--- a/t/lisp8.sh
+++ b/t/lisp8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/lispdry.sh b/t/lispdry.sh
index 7ade939f9..19350b864 100644
--- a/t/lispdry.sh
+++ b/t/lispdry.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/list-of-tests.mk b/t/list-of-tests.mk
index d82cf9c4d..6f25f0494 100644
--- a/t/list-of-tests.mk
+++ b/t/list-of-tests.mk
@@ -2,7 +2,7 @@
## testsuite. This fragment is meant to be included by the Makefile.am,
## but also to be executed directly by make when bootstrapping automake.
-## Copyright (C) 2011-2022 Free Software Foundation, Inc.
+## Copyright (C) 2011-2023 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/t/listval.sh b/t/listval.sh
index 9dc0557e1..bf158e748 100644
--- a/t/listval.sh
+++ b/t/listval.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/local.mk b/t/local.mk
index 8a7cab3b2..4fa46a071 100644
--- a/t/local.mk
+++ b/t/local.mk
@@ -1,5 +1,5 @@
## -*- makefile-automake -*-
-## Copyright (C) 1995-2022 Free Software Foundation, Inc.
+## Copyright (C) 1995-2023 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/t/location.sh b/t/location.sh
index f36039031..2357af332 100644
--- a/t/location.sh
+++ b/t/location.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/longlin2.sh b/t/longlin2.sh
index ed07c3a1a..8bddb5c7b 100644
--- a/t/longlin2.sh
+++ b/t/longlin2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/longline.sh b/t/longline.sh
index 5c90a4674..e61eefe12 100644
--- a/t/longline.sh
+++ b/t/longline.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/ltcond.sh b/t/ltcond.sh
index 7db8ca200..9a66275c8 100644
--- a/t/ltcond.sh
+++ b/t/ltcond.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/ltcond2.sh b/t/ltcond2.sh
index 29244c9b3..000d0ad34 100644
--- a/t/ltcond2.sh
+++ b/t/ltcond2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/ltconv.sh b/t/ltconv.sh
index 2c4cc47a1..64e42949a 100644
--- a/t/ltconv.sh
+++ b/t/ltconv.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/ltdeps.sh b/t/ltdeps.sh
index 3a65d14eb..849345871 100644
--- a/t/ltdeps.sh
+++ b/t/ltdeps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/ltinit.sh b/t/ltinit.sh
index 28091f898..f1edc6f7f 100644
--- a/t/ltinit.sh
+++ b/t/ltinit.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/ltinstloc.sh b/t/ltinstloc.sh
index 892a11f31..62dcf6439 100644
--- a/t/ltinstloc.sh
+++ b/t/ltinstloc.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/ltlibobjs.sh b/t/ltlibobjs.sh
index b67534ac0..f082cbdcf 100644
--- a/t/ltlibobjs.sh
+++ b/t/ltlibobjs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/ltlibsrc.sh b/t/ltlibsrc.sh
index c9230d088..8d8dc4497 100644
--- a/t/ltlibsrc.sh
+++ b/t/ltlibsrc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/ltorder.sh b/t/ltorder.sh
index 386067f92..546b62c03 100644
--- a/t/ltorder.sh
+++ b/t/ltorder.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/m4-inclusion.sh b/t/m4-inclusion.sh
index 784d0cd17..3799ae7f9 100644
--- a/t/m4-inclusion.sh
+++ b/t/m4-inclusion.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/maintclean-vpath.sh b/t/maintclean-vpath.sh
index 75bbe4ce7..8a6d41d43 100644
--- a/t/maintclean-vpath.sh
+++ b/t/maintclean-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/maintclean.sh b/t/maintclean.sh
index 739003854..1f546e1a0 100644
--- a/t/maintclean.sh
+++ b/t/maintclean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/maintmode-configure-msg.sh b/t/maintmode-configure-msg.sh
index 658215b16..99b160cf3 100644
--- a/t/maintmode-configure-msg.sh
+++ b/t/maintmode-configure-msg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/make-dryrun.tap b/t/make-dryrun.tap
index 2ea9ce4f9..070cdf0ff 100644
--- a/t/make-dryrun.tap
+++ b/t/make-dryrun.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/make-is-gnu.sh b/t/make-is-gnu.sh
index 2688e6917..ac5b17122 100644
--- a/t/make-is-gnu.sh
+++ b/t/make-is-gnu.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/make-keepgoing.tap b/t/make-keepgoing.tap
index 37e286792..8aefa8010 100644
--- a/t/make-keepgoing.tap
+++ b/t/make-keepgoing.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/make.sh b/t/make.sh
index 0db159dd8..9f92351e8 100644
--- a/t/make.sh
+++ b/t/make.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/makefile-deps.sh b/t/makefile-deps.sh
index 9d860dd5d..5d55bd053 100644
--- a/t/makefile-deps.sh
+++ b/t/makefile-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/makej.sh b/t/makej.sh
index 3bfa540e4..12508c7b7 100644
--- a/t/makej.sh
+++ b/t/makej.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/makej2.sh b/t/makej2.sh
index d5b52a784..1208292e9 100644
--- a/t/makej2.sh
+++ b/t/makej2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/maken.sh b/t/maken.sh
index 184ae631f..a904e246d 100644
--- a/t/maken.sh
+++ b/t/maken.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/maken3.sh b/t/maken3.sh
index 627c8242c..efc6f9135 100644
--- a/t/maken3.sh
+++ b/t/maken3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/makevars.sh b/t/makevars.sh
index 619c577b4..33c846dc4 100644
--- a/t/makevars.sh
+++ b/t/makevars.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/man.sh b/t/man.sh
index d4b8b0658..cd83567d6 100644
--- a/t/man.sh
+++ b/t/man.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/man2.sh b/t/man2.sh
index ddbeceb01..a4f72d699 100644
--- a/t/man2.sh
+++ b/t/man2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/man3.sh b/t/man3.sh
index 2ce768f31..a3095171e 100644
--- a/t/man3.sh
+++ b/t/man3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/man5.sh b/t/man5.sh
index efa2d9aff..0b2028001 100644
--- a/t/man5.sh
+++ b/t/man5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/man6.sh b/t/man6.sh
index 3fd4daae4..e205855e5 100644
--- a/t/man6.sh
+++ b/t/man6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/man7.sh b/t/man7.sh
index 691648dfe..ffd5d942b 100644
--- a/t/man7.sh
+++ b/t/man7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/man8.sh b/t/man8.sh
index 1c0faeb36..89df99f16 100644
--- a/t/man8.sh
+++ b/t/man8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/mdate.sh b/t/mdate.sh
index 0af1e3784..bb7089b1f 100644
--- a/t/mdate.sh
+++ b/t/mdate.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/mdate2.sh b/t/mdate2.sh
index 6b4bb15c0..c921e9c69 100644
--- a/t/mdate2.sh
+++ b/t/mdate2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/mdate3.sh b/t/mdate3.sh
index 99ff20239..83f1aa1e8 100644
--- a/t/mdate3.sh
+++ b/t/mdate3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/mdate4.sh b/t/mdate4.sh
index a72d083ab..be880488a 100644
--- a/t/mdate4.sh
+++ b/t/mdate4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/mdate5.sh b/t/mdate5.sh
index bbdcc3d98..70b5fcbec 100644
--- a/t/mdate5.sh
+++ b/t/mdate5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/mdate6.sh b/t/mdate6.sh
index f23c371b4..d28cea56c 100644
--- a/t/mdate6.sh
+++ b/t/mdate6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/missing-auxfile-stops-makefiles-creation.sh b/t/missing-auxfile-stops-makefiles-creation.sh
index 4134e0860..8b176eeec 100644
--- a/t/missing-auxfile-stops-makefiles-creation.sh
+++ b/t/missing-auxfile-stops-makefiles-creation.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/missing-version-mismatch.sh b/t/missing-version-mismatch.sh
index 5fe2823e1..65e325eca 100644
--- a/t/missing-version-mismatch.sh
+++ b/t/missing-version-mismatch.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/missing3.sh b/t/missing3.sh
index b77a2b63b..3692b78b5 100644
--- a/t/missing3.sh
+++ b/t/missing3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/mkdir_p.sh b/t/mkdir_p.sh
index d54ebe754..ac651f164 100644
--- a/t/mkdir_p.sh
+++ b/t/mkdir_p.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/mkdirp-deprecation.sh b/t/mkdirp-deprecation.sh
index 781e70bed..49f1e0b63 100644
--- a/t/mkdirp-deprecation.sh
+++ b/t/mkdirp-deprecation.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/mkinst2.sh b/t/mkinst2.sh
index 5ccc07d69..21f227fa6 100644
--- a/t/mkinst2.sh
+++ b/t/mkinst2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/mkinst3.sh b/t/mkinst3.sh
index f8a3e6827..bf8b7ea2c 100644
--- a/t/mkinst3.sh
+++ b/t/mkinst3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/mkinstall.sh b/t/mkinstall.sh
index b7cb26428..fa4952838 100644
--- a/t/mkinstall.sh
+++ b/t/mkinstall.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/mmode.sh b/t/mmode.sh
index 992d8352e..4a659707e 100644
--- a/t/mmode.sh
+++ b/t/mmode.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/mmodely.sh b/t/mmodely.sh
index a23c409dc..b26d7260c 100644
--- a/t/mmodely.sh
+++ b/t/mmodely.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/no-extra-c-stuff.sh b/t/no-extra-c-stuff.sh
index 672450a50..7c18f6609 100644
--- a/t/no-extra-c-stuff.sh
+++ b/t/no-extra-c-stuff.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/no-extra-makefile-code.sh b/t/no-extra-makefile-code.sh
index e24a82ec3..11053d170 100644
--- a/t/no-extra-makefile-code.sh
+++ b/t/no-extra-makefile-code.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/no-spurious-install-recursive.sh b/t/no-spurious-install-recursive.sh
index 41a306207..d4c3bd4d0 100644
--- a/t/no-spurious-install-recursive.sh
+++ b/t/no-spurious-install-recursive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/nobase-dist.sh b/t/nobase-dist.sh
index b2ead50ee..5321dd87e 100644
--- a/t/nobase-dist.sh
+++ b/t/nobase-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/nobase-libtool.sh b/t/nobase-libtool.sh
index 5c18c94cf..76fcdfddc 100644
--- a/t/nobase-libtool.sh
+++ b/t/nobase-libtool.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/nobase-nodist.sh b/t/nobase-nodist.sh
index f53eb4781..11fdf6082 100644
--- a/t/nobase-nodist.sh
+++ b/t/nobase-nodist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/nobase-python.sh b/t/nobase-python.sh
index 1bde5a319..fdb56861b 100644
--- a/t/nobase-python.sh
+++ b/t/nobase-python.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/nobase.sh b/t/nobase.sh
index a634a39c0..139bc8b18 100644
--- a/t/nobase.sh
+++ b/t/nobase.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/nodef.sh b/t/nodef.sh
index 56c13bdbe..280e08572 100644
--- a/t/nodef.sh
+++ b/t/nodef.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/nodef2.sh b/t/nodef2.sh
index f4160dafe..3b8d8f214 100644
--- a/t/nodef2.sh
+++ b/t/nodef2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/nodep.sh b/t/nodep.sh
index cf0914cae..4201c8ead 100644
--- a/t/nodep.sh
+++ b/t/nodep.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/nodep2.sh b/t/nodep2.sh
index fd547ce27..8b5678c3e 100644
--- a/t/nodep2.sh
+++ b/t/nodep2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/nodepcomp.sh b/t/nodepcomp.sh
index cce8ec6cb..8c21fa6ae 100644
--- a/t/nodepcomp.sh
+++ b/t/nodepcomp.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/nodist.sh b/t/nodist.sh
index 4cafca5a0..12b3bc9da 100644
--- a/t/nodist.sh
+++ b/t/nodist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/nodist2.sh b/t/nodist2.sh
index 33fe8090e..02ee65e71 100644
--- a/t/nodist2.sh
+++ b/t/nodist2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/nodist3.sh b/t/nodist3.sh
index a0dd4ab27..1dc718a9d 100644
--- a/t/nodist3.sh
+++ b/t/nodist3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/noinst.sh b/t/noinst.sh
index d11859903..14dfbe20b 100644
--- a/t/noinst.sh
+++ b/t/noinst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/noinstdir.sh b/t/noinstdir.sh
index 234eb0acc..647e09b63 100644
--- a/t/noinstdir.sh
+++ b/t/noinstdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/nolink.sh b/t/nolink.sh
index 343da50c9..c43de2897 100644
--- a/t/nolink.sh
+++ b/t/nolink.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/nostdinc.sh b/t/nostdinc.sh
index 4e3aad44b..603a81638 100644
--- a/t/nostdinc.sh
+++ b/t/nostdinc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/notrans.sh b/t/notrans.sh
index d151580d8..e6a5de500 100644
--- a/t/notrans.sh
+++ b/t/notrans.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/number.sh b/t/number.sh
index 206f09063..6958a8c52 100644
--- a/t/number.sh
+++ b/t/number.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/objc-basic.sh b/t/objc-basic.sh
index e6cb990cf..3469cbdda 100644
--- a/t/objc-basic.sh
+++ b/t/objc-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objc-deps.sh b/t/objc-deps.sh
index be10e0d79..d37083d47 100644
--- a/t/objc-deps.sh
+++ b/t/objc-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objc-flags.sh b/t/objc-flags.sh
index 60db4c852..d998fa545 100644
--- a/t/objc-flags.sh
+++ b/t/objc-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objc-megademo.sh b/t/objc-megademo.sh
index 94b26b8b8..aba376590 100644
--- a/t/objc-megademo.sh
+++ b/t/objc-megademo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objc-minidemo.sh b/t/objc-minidemo.sh
index ddc7b9027..90b384c23 100644
--- a/t/objc-minidemo.sh
+++ b/t/objc-minidemo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objcxx-basic.sh b/t/objcxx-basic.sh
index 34dbd1132..dc9f0f24e 100644
--- a/t/objcxx-basic.sh
+++ b/t/objcxx-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objcxx-deps.sh b/t/objcxx-deps.sh
index ab81274b4..1049c87b2 100644
--- a/t/objcxx-deps.sh
+++ b/t/objcxx-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objcxx-flags.sh b/t/objcxx-flags.sh
index 5a8fa1a72..67048a36e 100644
--- a/t/objcxx-flags.sh
+++ b/t/objcxx-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objcxx-minidemo.sh b/t/objcxx-minidemo.sh
index 37c3cfc6a..5d4cd73b1 100644
--- a/t/objcxx-minidemo.sh
+++ b/t/objcxx-minidemo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/objext-pr10128.sh b/t/objext-pr10128.sh
index daa9008aa..b6f54befa 100644
--- a/t/objext-pr10128.sh
+++ b/t/objext-pr10128.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/oldvars.sh b/t/oldvars.sh
index 52302b306..884196280 100644
--- a/t/oldvars.sh
+++ b/t/oldvars.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/order.sh b/t/order.sh
index f2ea65cd5..4e739d9ea 100644
--- a/t/order.sh
+++ b/t/order.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/output-order.sh b/t/output-order.sh
index 8fc66d625..338759914 100644
--- a/t/output-order.sh
+++ b/t/output-order.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/output.sh b/t/output.sh
index 129e3225e..04b201491 100644
--- a/t/output.sh
+++ b/t/output.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/output10.sh b/t/output10.sh
index 1012644a9..85a572428 100644
--- a/t/output10.sh
+++ b/t/output10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/output11.sh b/t/output11.sh
index 0cd5f6ddc..d6da16ffe 100644
--- a/t/output11.sh
+++ b/t/output11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/output12.sh b/t/output12.sh
index cbb05a2d3..95772f7d5 100644
--- a/t/output12.sh
+++ b/t/output12.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/output13.sh b/t/output13.sh
index d717cf9c8..b2ea7cd7d 100644
--- a/t/output13.sh
+++ b/t/output13.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/output2.sh b/t/output2.sh
index 4b896ed59..02784b904 100644
--- a/t/output2.sh
+++ b/t/output2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/output3.sh b/t/output3.sh
index ebfd2b981..4e2802022 100644
--- a/t/output3.sh
+++ b/t/output3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/output4.sh b/t/output4.sh
index 9dbd04371..0c69fb236 100644
--- a/t/output4.sh
+++ b/t/output4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/output5.sh b/t/output5.sh
index 2851db7cb..211de40c7 100644
--- a/t/output5.sh
+++ b/t/output5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/output6.sh b/t/output6.sh
index b35e651c4..67da8db4a 100644
--- a/t/output6.sh
+++ b/t/output6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/output7.sh b/t/output7.sh
index 5ead7f393..1f3c4e26d 100644
--- a/t/output7.sh
+++ b/t/output7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/output8.sh b/t/output8.sh
index 4efa86128..24da9a482 100644
--- a/t/output8.sh
+++ b/t/output8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/output9.sh b/t/output9.sh
index 71a7d2731..f7a06e98e 100644
--- a/t/output9.sh
+++ b/t/output9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/override-conditional-1.sh b/t/override-conditional-1.sh
index 699cc99bd..14065073c 100644
--- a/t/override-conditional-1.sh
+++ b/t/override-conditional-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/override-conditional-2.sh b/t/override-conditional-2.sh
index a6c1710ab..358f89084 100644
--- a/t/override-conditional-2.sh
+++ b/t/override-conditional-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/override-conditional-pr13940.sh b/t/override-conditional-pr13940.sh
index 7a9a73f38..a2114aaf5 100644
--- a/t/override-conditional-pr13940.sh
+++ b/t/override-conditional-pr13940.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/override-html.sh b/t/override-html.sh
index 19b8505cb..7a7e0bec4 100644
--- a/t/override-html.sh
+++ b/t/override-html.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/override-suggest-local.sh b/t/override-suggest-local.sh
index 9b0a20732..7aa23833f 100644
--- a/t/override-suggest-local.sh
+++ b/t/override-suggest-local.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/parallel-am.sh b/t/parallel-am.sh
index 06fd52319..bdb32069e 100644
--- a/t/parallel-am.sh
+++ b/t/parallel-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/parallel-am2.sh b/t/parallel-am2.sh
index 2254f0d0a..1c183bf35 100644
--- a/t/parallel-am2.sh
+++ b/t/parallel-am2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/parallel-am3.sh b/t/parallel-am3.sh
index ffdf8ad81..6651207c5 100644
--- a/t/parallel-am3.sh
+++ b/t/parallel-am3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/parallel-tests-basics.sh b/t/parallel-tests-basics.sh
index eb33614dc..035753070 100644
--- a/t/parallel-tests-basics.sh
+++ b/t/parallel-tests-basics.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-cmdline-override.sh b/t/parallel-tests-cmdline-override.sh
index 0ceb7ccbc..4612525e7 100644
--- a/t/parallel-tests-cmdline-override.sh
+++ b/t/parallel-tests-cmdline-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-concurrency-2.sh b/t/parallel-tests-concurrency-2.sh
index 58191995c..9923bd4e2 100644
--- a/t/parallel-tests-concurrency-2.sh
+++ b/t/parallel-tests-concurrency-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-concurrency.sh b/t/parallel-tests-concurrency.sh
index 29d91a48c..78a9d7755 100644
--- a/t/parallel-tests-concurrency.sh
+++ b/t/parallel-tests-concurrency.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-console-output.sh b/t/parallel-tests-console-output.sh
index 2980d829f..f3ec24227 100644
--- a/t/parallel-tests-console-output.sh
+++ b/t/parallel-tests-console-output.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-driver-install.sh b/t/parallel-tests-driver-install.sh
index 0b0d4efa1..ccf35d279 100644
--- a/t/parallel-tests-driver-install.sh
+++ b/t/parallel-tests-driver-install.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-dry-run-1.sh b/t/parallel-tests-dry-run-1.sh
index 28bee3fb7..ef36651a1 100644
--- a/t/parallel-tests-dry-run-1.sh
+++ b/t/parallel-tests-dry-run-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/parallel-tests-dry-run-2.sh b/t/parallel-tests-dry-run-2.sh
index 79005e2f8..8587329ed 100644
--- a/t/parallel-tests-dry-run-2.sh
+++ b/t/parallel-tests-dry-run-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-empty-testlogs.sh b/t/parallel-tests-empty-testlogs.sh
index 0583bf652..d890fdc36 100644
--- a/t/parallel-tests-empty-testlogs.sh
+++ b/t/parallel-tests-empty-testlogs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-empty.sh b/t/parallel-tests-empty.sh
index 2d5ea4550..9be3123c5 100644
--- a/t/parallel-tests-empty.sh
+++ b/t/parallel-tests-empty.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-exeext.sh b/t/parallel-tests-exeext.sh
index 86f887127..2e0b1daf4 100644
--- a/t/parallel-tests-exeext.sh
+++ b/t/parallel-tests-exeext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-exit-status-reported.sh b/t/parallel-tests-exit-status-reported.sh
index 0d0d58981..ea70dec8d 100644
--- a/t/parallel-tests-exit-status-reported.sh
+++ b/t/parallel-tests-exit-status-reported.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/parallel-tests-exit-statuses.sh b/t/parallel-tests-exit-statuses.sh
index fe40c69d6..1da1f995b 100644
--- a/t/parallel-tests-exit-statuses.sh
+++ b/t/parallel-tests-exit-statuses.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-extra-programs.sh b/t/parallel-tests-extra-programs.sh
index 0eadbc6f6..7dbdb93b6 100644
--- a/t/parallel-tests-extra-programs.sh
+++ b/t/parallel-tests-extra-programs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-fd-redirect-exeext.sh b/t/parallel-tests-fd-redirect-exeext.sh
index add0a977d..5e93450e5 100644
--- a/t/parallel-tests-fd-redirect-exeext.sh
+++ b/t/parallel-tests-fd-redirect-exeext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-fd-redirect.sh b/t/parallel-tests-fd-redirect.sh
index ac7489891..16211033e 100644
--- a/t/parallel-tests-fd-redirect.sh
+++ b/t/parallel-tests-fd-redirect.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-fork-bomb.sh b/t/parallel-tests-fork-bomb.sh
index 10f46824b..c7d9b90a0 100644
--- a/t/parallel-tests-fork-bomb.sh
+++ b/t/parallel-tests-fork-bomb.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-generated-and-distributed.sh b/t/parallel-tests-generated-and-distributed.sh
index 0744a21a4..dc8d1613c 100644
--- a/t/parallel-tests-generated-and-distributed.sh
+++ b/t/parallel-tests-generated-and-distributed.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-harderror.sh b/t/parallel-tests-harderror.sh
index c062dec98..66bf71ac2 100644
--- a/t/parallel-tests-harderror.sh
+++ b/t/parallel-tests-harderror.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-interrupt.tap b/t/parallel-tests-interrupt.tap
index cac428275..007c7ee61 100644
--- a/t/parallel-tests-interrupt.tap
+++ b/t/parallel-tests-interrupt.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-log-compiler-1.sh b/t/parallel-tests-log-compiler-1.sh
index d06694bc9..10e32ec58 100644
--- a/t/parallel-tests-log-compiler-1.sh
+++ b/t/parallel-tests-log-compiler-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-log-compiler-2.sh b/t/parallel-tests-log-compiler-2.sh
index 47db88e1c..c3cfba91c 100644
--- a/t/parallel-tests-log-compiler-2.sh
+++ b/t/parallel-tests-log-compiler-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-log-compiler-example.sh b/t/parallel-tests-log-compiler-example.sh
index de1fb4b21..dcb018adc 100644
--- a/t/parallel-tests-log-compiler-example.sh
+++ b/t/parallel-tests-log-compiler-example.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-log-override-1.sh b/t/parallel-tests-log-override-1.sh
index 0baf1721c..c9fea4f7d 100644
--- a/t/parallel-tests-log-override-1.sh
+++ b/t/parallel-tests-log-override-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-log-override-2.sh b/t/parallel-tests-log-override-2.sh
index 2c1999e8b..e78bb7efb 100644
--- a/t/parallel-tests-log-override-2.sh
+++ b/t/parallel-tests-log-override-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-log-override-recheck.sh b/t/parallel-tests-log-override-recheck.sh
index a3c3912a2..18bbe3063 100644
--- a/t/parallel-tests-log-override-recheck.sh
+++ b/t/parallel-tests-log-override-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-no-color-in-log.sh b/t/parallel-tests-no-color-in-log.sh
index 5ec197b56..53008eb28 100644
--- a/t/parallel-tests-no-color-in-log.sh
+++ b/t/parallel-tests-no-color-in-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-no-spurious-summary.sh b/t/parallel-tests-no-spurious-summary.sh
index 4b7f69dce..22b018828 100644
--- a/t/parallel-tests-no-spurious-summary.sh
+++ b/t/parallel-tests-no-spurious-summary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-once.sh b/t/parallel-tests-once.sh
index 35742fd27..e9c5e7829 100644
--- a/t/parallel-tests-once.sh
+++ b/t/parallel-tests-once.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-recheck-depends-on-all.sh b/t/parallel-tests-recheck-depends-on-all.sh
index 415428184..6c4801afc 100644
--- a/t/parallel-tests-recheck-depends-on-all.sh
+++ b/t/parallel-tests-recheck-depends-on-all.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/parallel-tests-recheck-pr11791.sh b/t/parallel-tests-recheck-pr11791.sh
index f5c43cb83..721075852 100644
--- a/t/parallel-tests-recheck-pr11791.sh
+++ b/t/parallel-tests-recheck-pr11791.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/parallel-tests-recheck.sh b/t/parallel-tests-recheck.sh
index 3902e6c55..6a6a020fa 100644
--- a/t/parallel-tests-recheck.sh
+++ b/t/parallel-tests-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-reset-term.sh b/t/parallel-tests-reset-term.sh
index c35ad344f..b8087c193 100644
--- a/t/parallel-tests-reset-term.sh
+++ b/t/parallel-tests-reset-term.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-subdir.sh b/t/parallel-tests-subdir.sh
index 06073b9a5..0018bc9a2 100644
--- a/t/parallel-tests-subdir.sh
+++ b/t/parallel-tests-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parallel-tests-suffix-prog.sh b/t/parallel-tests-suffix-prog.sh
index 64f004753..fe732d0bd 100644
--- a/t/parallel-tests-suffix-prog.sh
+++ b/t/parallel-tests-suffix-prog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-suffix.sh b/t/parallel-tests-suffix.sh
index 38a977fc4..6a7cd1f54 100644
--- a/t/parallel-tests-suffix.sh
+++ b/t/parallel-tests-suffix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-trailing-whitespace.sh b/t/parallel-tests-trailing-whitespace.sh
index cd0266d60..e8da8d713 100644
--- a/t/parallel-tests-trailing-whitespace.sh
+++ b/t/parallel-tests-trailing-whitespace.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/parallel-tests-unreadable.sh b/t/parallel-tests-unreadable.sh
index 561aa0d6a..0f085b321 100644
--- a/t/parallel-tests-unreadable.sh
+++ b/t/parallel-tests-unreadable.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/parse.sh b/t/parse.sh
index f5ba01afa..57b4c61b1 100644
--- a/t/parse.sh
+++ b/t/parse.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/per-target-flags.sh b/t/per-target-flags.sh
index 694b42af7..0e5d8e109 100644
--- a/t/per-target-flags.sh
+++ b/t/per-target-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/percent.sh b/t/percent.sh
index cec055c94..fa44fbbbb 100644
--- a/t/percent.sh
+++ b/t/percent.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/percent2.sh b/t/percent2.sh
index efd20547d..7b6a8686b 100644
--- a/t/percent2.sh
+++ b/t/percent2.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/perf/cond.sh b/t/perf/cond.sh
index b44c23972..285f3cf12 100644
--- a/t/perf/cond.sh
+++ b/t/perf/cond.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# 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/t/perf/testsuite-recheck.sh b/t/perf/testsuite-recheck.sh
index e47c2372d..89491e4a8 100644
--- a/t/perf/testsuite-recheck.sh
+++ b/t/perf/testsuite-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/perf/testsuite-summary.sh b/t/perf/testsuite-summary.sh
index 3858d01f7..94dbc0744 100644
--- a/t/perf/testsuite-summary.sh
+++ b/t/perf/testsuite-summary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/phony.sh b/t/phony.sh
index 52b2a9e6b..2bc45de1d 100644
--- a/t/phony.sh
+++ b/t/phony.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pkg-config-macros.sh b/t/pkg-config-macros.sh
index 77c79d7cd..409f26d42 100644
--- a/t/pkg-config-macros.sh
+++ b/t/pkg-config-macros.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/pluseq.sh b/t/pluseq.sh
index 09e14918e..1ef25e716 100644
--- a/t/pluseq.sh
+++ b/t/pluseq.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/pluseq10.sh b/t/pluseq10.sh
index 9b8840a19..d64903dcb 100644
--- a/t/pluseq10.sh
+++ b/t/pluseq10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pluseq11.sh b/t/pluseq11.sh
index 20e01701a..56b02409b 100644
--- a/t/pluseq11.sh
+++ b/t/pluseq11.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/pluseq2.sh b/t/pluseq2.sh
index 562372499..973179b69 100644
--- a/t/pluseq2.sh
+++ b/t/pluseq2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/pluseq3.sh b/t/pluseq3.sh
index 334cc863a..27244f4dc 100644
--- a/t/pluseq3.sh
+++ b/t/pluseq3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/pluseq4.sh b/t/pluseq4.sh
index 7cb9e625a..6bbc66579 100644
--- a/t/pluseq4.sh
+++ b/t/pluseq4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/pluseq5.sh b/t/pluseq5.sh
index 4415c878c..0333fefd3 100644
--- a/t/pluseq5.sh
+++ b/t/pluseq5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pluseq6.sh b/t/pluseq6.sh
index 24ca16aee..7fc780552 100644
--- a/t/pluseq6.sh
+++ b/t/pluseq6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pluseq7.sh b/t/pluseq7.sh
index a1f2f63a6..21d48f351 100644
--- a/t/pluseq7.sh
+++ b/t/pluseq7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pluseq8.sh b/t/pluseq8.sh
index b17cfc6c8..4af006f76 100644
--- a/t/pluseq8.sh
+++ b/t/pluseq8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pluseq9.sh b/t/pluseq9.sh
index b1a7e49e5..3baed0123 100644
--- a/t/pluseq9.sh
+++ b/t/pluseq9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pm/Cond2.pl b/t/pm/Cond2.pl
index 2475068d5..545c57f5f 100644
--- a/t/pm/Cond2.pl
+++ b/t/pm/Cond2.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/Cond3.pl b/t/pm/Cond3.pl
index f020edde5..9c13c0b64 100644
--- a/t/pm/Cond3.pl
+++ b/t/pm/Cond3.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/Condition-t.pl b/t/pm/Condition-t.pl
index f7ef39c21..a4c156f77 100644
--- a/t/pm/Condition-t.pl
+++ b/t/pm/Condition-t.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pm/Condition.pl b/t/pm/Condition.pl
index e9e12ea46..ce19c5309 100644
--- a/t/pm/Condition.pl
+++ b/t/pm/Condition.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pm/DisjCon2.pl b/t/pm/DisjCon2.pl
index 3c1fc5a4c..f725f12e0 100644
--- a/t/pm/DisjCon2.pl
+++ b/t/pm/DisjCon2.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/DisjCon3.pl b/t/pm/DisjCon3.pl
index bad692ca8..2522e663d 100644
--- a/t/pm/DisjCon3.pl
+++ b/t/pm/DisjCon3.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/DisjConditions-t.pl b/t/pm/DisjConditions-t.pl
index acc462c15..6ff89e137 100644
--- a/t/pm/DisjConditions-t.pl
+++ b/t/pm/DisjConditions-t.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pm/DisjConditions.pl b/t/pm/DisjConditions.pl
index db72e425a..a348b1690 100644
--- a/t/pm/DisjConditions.pl
+++ b/t/pm/DisjConditions.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pm/General.pl b/t/pm/General.pl
index db7df8dab..bb99fce83 100644
--- a/t/pm/General.pl
+++ b/t/pm/General.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2022 Free Software Foundation, Inc.
+# Copyright (C) 2018-2023 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/t/pm/Version.pl b/t/pm/Version.pl
index 41c904ef1..eee3af801 100644
--- a/t/pm/Version.pl
+++ b/t/pm/Version.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pm/Version2.pl b/t/pm/Version2.pl
index 052b7dc9f..2a67aa98b 100644
--- a/t/pm/Version2.pl
+++ b/t/pm/Version2.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/Version3.pl b/t/pm/Version3.pl
index fd9f921a9..696b66ba8 100644
--- a/t/pm/Version3.pl
+++ b/t/pm/Version3.pl
@@ -1,4 +1,4 @@
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/pm/Wrap.pl b/t/pm/Wrap.pl
index 78a80a10d..9e6c1f0b9 100644
--- a/t/pm/Wrap.pl
+++ b/t/pm/Wrap.pl
@@ -1,4 +1,4 @@
-# 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/t/posixsubst-data.sh b/t/posixsubst-data.sh
index d9a434261..80560373d 100644
--- a/t/posixsubst-data.sh
+++ b/t/posixsubst-data.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-extradist.sh b/t/posixsubst-extradist.sh
index 3030aa127..25b65d93d 100644
--- a/t/posixsubst-extradist.sh
+++ b/t/posixsubst-extradist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-ldadd.sh b/t/posixsubst-ldadd.sh
index e0eddd77c..b64bdbeaa 100644
--- a/t/posixsubst-ldadd.sh
+++ b/t/posixsubst-ldadd.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-libraries.sh b/t/posixsubst-libraries.sh
index 805f4d126..a8ecda36f 100644
--- a/t/posixsubst-libraries.sh
+++ b/t/posixsubst-libraries.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-ltlibraries.sh b/t/posixsubst-ltlibraries.sh
index 81e551f9a..199775494 100644
--- a/t/posixsubst-ltlibraries.sh
+++ b/t/posixsubst-ltlibraries.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-programs.sh b/t/posixsubst-programs.sh
index 048f972a3..3af1a205d 100644
--- a/t/posixsubst-programs.sh
+++ b/t/posixsubst-programs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-scripts.sh b/t/posixsubst-scripts.sh
index 2898d2572..f7a664785 100644
--- a/t/posixsubst-scripts.sh
+++ b/t/posixsubst-scripts.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-sources.sh b/t/posixsubst-sources.sh
index dd5025b7a..3414a78f5 100644
--- a/t/posixsubst-sources.sh
+++ b/t/posixsubst-sources.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/posixsubst-tests.sh b/t/posixsubst-tests.sh
index 654442b0c..16596f723 100644
--- a/t/posixsubst-tests.sh
+++ b/t/posixsubst-tests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/ppf77.sh b/t/ppf77.sh
index 6ff19fb8a..217bdd0a4 100644
--- a/t/ppf77.sh
+++ b/t/ppf77.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pr2.sh b/t/pr2.sh
index 445106ddf..746fa29f2 100644
--- a/t/pr2.sh
+++ b/t/pr2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/pr211.sh b/t/pr211.sh
index ff671f8a3..c661bc9ba 100644
--- a/t/pr211.sh
+++ b/t/pr211.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr220.sh b/t/pr220.sh
index ef7aafe95..482d3077d 100644
--- a/t/pr220.sh
+++ b/t/pr220.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr224.sh b/t/pr224.sh
index c611803b1..bdc0955e8 100644
--- a/t/pr224.sh
+++ b/t/pr224.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr229.sh b/t/pr229.sh
index a2bd3c8f0..7000076c0 100644
--- a/t/pr229.sh
+++ b/t/pr229.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr243.sh b/t/pr243.sh
index af70715f7..930247409 100644
--- a/t/pr243.sh
+++ b/t/pr243.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr266.sh b/t/pr266.sh
index 95cb500e4..6880a6655 100644
--- a/t/pr266.sh
+++ b/t/pr266.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr279-2.sh b/t/pr279-2.sh
index 467107125..16ebdb7ce 100644
--- a/t/pr279-2.sh
+++ b/t/pr279-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr279.sh b/t/pr279.sh
index fac8935a5..da9068700 100644
--- a/t/pr279.sh
+++ b/t/pr279.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/pr287.sh b/t/pr287.sh
index 960a1ce9b..db8ab1373 100644
--- a/t/pr287.sh
+++ b/t/pr287.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr300-lib.sh b/t/pr300-lib.sh
index f46803449..8c29ca38f 100644
--- a/t/pr300-lib.sh
+++ b/t/pr300-lib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr300-ltlib.sh b/t/pr300-ltlib.sh
index 9176d4293..7925a3102 100644
--- a/t/pr300-ltlib.sh
+++ b/t/pr300-ltlib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr300-prog.sh b/t/pr300-prog.sh
index 622c589f0..9d51e4418 100644
--- a/t/pr300-prog.sh
+++ b/t/pr300-prog.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr307.sh b/t/pr307.sh
index 8b3118e1a..a9b1d80d1 100644
--- a/t/pr307.sh
+++ b/t/pr307.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/pr401.sh b/t/pr401.sh
index c042bc54c..4a0fc8a12 100644
--- a/t/pr401.sh
+++ b/t/pr401.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/pr401b.sh b/t/pr401b.sh
index 64dc029ac..ead8708ec 100644
--- a/t/pr401b.sh
+++ b/t/pr401b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/pr401c.sh b/t/pr401c.sh
index 0c6a963c2..56320294d 100644
--- a/t/pr401c.sh
+++ b/t/pr401c.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/pr72.sh b/t/pr72.sh
index 716524dea..ec79edc5d 100644
--- a/t/pr72.sh
+++ b/t/pr72.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/pr87.sh b/t/pr87.sh
index afc9f6440..7d2886ea7 100644
--- a/t/pr87.sh
+++ b/t/pr87.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/pr9.sh b/t/pr9.sh
index 7a7c59dc9..358867f18 100644
--- a/t/pr9.sh
+++ b/t/pr9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/precious.sh b/t/precious.sh
index c98ce33f8..bacbf055d 100644
--- a/t/precious.sh
+++ b/t/precious.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/prefix.sh b/t/prefix.sh
index d5e62b247..14fac9aad 100644
--- a/t/prefix.sh
+++ b/t/prefix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/preproc-basics.sh b/t/preproc-basics.sh
index bf821fc0d..10ccc5d55 100644
--- a/t/preproc-basics.sh
+++ b/t/preproc-basics.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/preproc-c-compile.sh b/t/preproc-c-compile.sh
index 01642ba9a..a9127d82d 100644
--- a/t/preproc-c-compile.sh
+++ b/t/preproc-c-compile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/preproc-demo.sh b/t/preproc-demo.sh
index 6b9772430..cf53ee00a 100644
--- a/t/preproc-demo.sh
+++ b/t/preproc-demo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/preproc-errmsg.sh b/t/preproc-errmsg.sh
index 79b70839f..345443dcf 100644
--- a/t/preproc-errmsg.sh
+++ b/t/preproc-errmsg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/primary-prefix-couples-documented-valid.sh b/t/primary-prefix-couples-documented-valid.sh
index 3e4267f93..94d371310 100644
--- a/t/primary-prefix-couples-documented-valid.sh
+++ b/t/primary-prefix-couples-documented-valid.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/primary-prefix-couples-force-valid.sh b/t/primary-prefix-couples-force-valid.sh
index cfcf26eaf..75daa97e0 100644
--- a/t/primary-prefix-couples-force-valid.sh
+++ b/t/primary-prefix-couples-force-valid.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/primary-prefix-invalid-couples.tap b/t/primary-prefix-invalid-couples.tap
index 97201662a..887b91d11 100644
--- a/t/primary-prefix-invalid-couples.tap
+++ b/t/primary-prefix-invalid-couples.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/primary-prefix-valid-couples.sh b/t/primary-prefix-valid-couples.sh
index 2614a3f59..a30362074 100644
--- a/t/primary-prefix-valid-couples.sh
+++ b/t/primary-prefix-valid-couples.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/primary.sh b/t/primary.sh
index 450a56e40..9ad9efeab 100644
--- a/t/primary.sh
+++ b/t/primary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/primary2.sh b/t/primary2.sh
index b1881529f..afdf83a4d 100644
--- a/t/primary2.sh
+++ b/t/primary2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/primary3.sh b/t/primary3.sh
index 16a4eb883..e10f5097b 100644
--- a/t/primary3.sh
+++ b/t/primary3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/print-libdir.sh b/t/print-libdir.sh
index 96c039d58..716bd682e 100644
--- a/t/print-libdir.sh
+++ b/t/print-libdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/proginst.sh b/t/proginst.sh
index 37f35ba13..a62874143 100644
--- a/t/proginst.sh
+++ b/t/proginst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/programs-primary-rewritten.sh b/t/programs-primary-rewritten.sh
index 8c023fe08..6f16d428d 100644
--- a/t/programs-primary-rewritten.sh
+++ b/t/programs-primary-rewritten.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/py-compile-basedir.sh b/t/py-compile-basedir.sh
index 22e605f9d..6676da914 100644
--- a/t/py-compile-basedir.sh
+++ b/t/py-compile-basedir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/py-compile-basic.sh b/t/py-compile-basic.sh
index a83b7b143..013acae96 100644
--- a/t/py-compile-basic.sh
+++ b/t/py-compile-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/py-compile-destdir.sh b/t/py-compile-destdir.sh
index fbbaf20e4..21ce1ec79 100644
--- a/t/py-compile-destdir.sh
+++ b/t/py-compile-destdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/py-compile-env.sh b/t/py-compile-env.sh
index e79985892..252eebce1 100644
--- a/t/py-compile-env.sh
+++ b/t/py-compile-env.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/py-compile-files.sh b/t/py-compile-files.sh
index fa2dd3251..70e56a549 100644
--- a/t/py-compile-files.sh
+++ b/t/py-compile-files.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/py-compile-option-terminate.sh b/t/py-compile-option-terminate.sh
index 192d3e354..512289ee5 100644
--- a/t/py-compile-option-terminate.sh
+++ b/t/py-compile-option-terminate.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/py-compile-usage.sh b/t/py-compile-usage.sh
index f324ec9e6..6e4c580e6 100644
--- a/t/py-compile-usage.sh
+++ b/t/py-compile-usage.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/python-am-path-iftrue.sh b/t/python-am-path-iftrue.sh
index 1a0f5f74e..08bd09377 100644
--- a/t/python-am-path-iftrue.sh
+++ b/t/python-am-path-iftrue.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/python-dist.sh b/t/python-dist.sh
index deee87ed7..926c54542 100644
--- a/t/python-dist.sh
+++ b/t/python-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/python-missing.sh b/t/python-missing.sh
index 3a71b9662..7c9a1a243 100644
--- a/t/python-missing.sh
+++ b/t/python-missing.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/python-pr10995.sh b/t/python-pr10995.sh
index 21c01215c..324be916e 100644
--- a/t/python-pr10995.sh
+++ b/t/python-pr10995.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/python-prefix.sh b/t/python-prefix.sh
index 147bc029b..df15e4300 100644
--- a/t/python-prefix.sh
+++ b/t/python-prefix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/python-too-old.sh b/t/python-too-old.sh
index 480121c9b..8f6c23658 100644
--- a/t/python-too-old.sh
+++ b/t/python-too-old.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/python-vars.sh b/t/python-vars.sh
index fc3e9cf55..9ddb327a8 100644
--- a/t/python-vars.sh
+++ b/t/python-vars.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/python-virtualenv.sh b/t/python-virtualenv.sh
index 900edd466..ae5d96ad6 100644
--- a/t/python-virtualenv.sh
+++ b/t/python-virtualenv.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/python.sh b/t/python.sh
index e045b093a..b69785252 100644
--- a/t/python.sh
+++ b/t/python.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/python10.sh b/t/python10.sh
index 227c88c65..c2c049857 100644
--- a/t/python10.sh
+++ b/t/python10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/python11.sh b/t/python11.sh
index ab0d29ec6..a6b7c4224 100644
--- a/t/python11.sh
+++ b/t/python11.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/python12.sh b/t/python12.sh
index b7dfa9d79..1226b379a 100644
--- a/t/python12.sh
+++ b/t/python12.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/python2.sh b/t/python2.sh
index 2f396fa17..4ded81e4a 100644
--- a/t/python2.sh
+++ b/t/python2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/python3.sh b/t/python3.sh
index a2e647575..5f1f40acf 100644
--- a/t/python3.sh
+++ b/t/python3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/ranlib_override.sh b/t/ranlib_override.sh
index 100e3734b..3c52aa9db 100644
--- a/t/ranlib_override.sh
+++ b/t/ranlib_override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/recurs-user-deeply-nested.sh b/t/recurs-user-deeply-nested.sh
index 5a1d70a74..5a75af743 100644
--- a/t/recurs-user-deeply-nested.sh
+++ b/t/recurs-user-deeply-nested.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-indir.sh b/t/recurs-user-indir.sh
index fee6e5048..1debce6a1 100644
--- a/t/recurs-user-indir.sh
+++ b/t/recurs-user-indir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-keep-going.sh b/t/recurs-user-keep-going.sh
index 0825abacb..cd2c0cddd 100644
--- a/t/recurs-user-keep-going.sh
+++ b/t/recurs-user-keep-going.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-many.sh b/t/recurs-user-many.sh
index f81ea57f4..1c2d9fc47 100644
--- a/t/recurs-user-many.sh
+++ b/t/recurs-user-many.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-no-subdirs.sh b/t/recurs-user-no-subdirs.sh
index d09b947ee..e0baa4b53 100644
--- a/t/recurs-user-no-subdirs.sh
+++ b/t/recurs-user-no-subdirs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-no-top-level.sh b/t/recurs-user-no-top-level.sh
index fabce72cb..10f823928 100644
--- a/t/recurs-user-no-top-level.sh
+++ b/t/recurs-user-no-top-level.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-override.sh b/t/recurs-user-override.sh
index 38d1225f4..edb9c584b 100644
--- a/t/recurs-user-override.sh
+++ b/t/recurs-user-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-phony.sh b/t/recurs-user-phony.sh
index 7ba142f67..7fb1b05d6 100644
--- a/t/recurs-user-phony.sh
+++ b/t/recurs-user-phony.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user-wrap.sh b/t/recurs-user-wrap.sh
index fabe93f2c..85e2e5910 100644
--- a/t/recurs-user-wrap.sh
+++ b/t/recurs-user-wrap.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user.sh b/t/recurs-user.sh
index d2b3eae32..3ca024041 100644
--- a/t/recurs-user.sh
+++ b/t/recurs-user.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/recurs-user2.sh b/t/recurs-user2.sh
index 365f2621c..61a2449b3 100644
--- a/t/recurs-user2.sh
+++ b/t/recurs-user2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/relativize.tap b/t/relativize.tap
index 5cadca966..19ecffc05 100644
--- a/t/relativize.tap
+++ b/t/relativize.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/remake-aclocal-version-mismatch.sh b/t/remake-aclocal-version-mismatch.sh
index e7e72dd5f..29187573a 100644
--- a/t/remake-aclocal-version-mismatch.sh
+++ b/t/remake-aclocal-version-mismatch.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/remake-after-acinclude-m4.sh b/t/remake-after-acinclude-m4.sh
index 3e8cd5562..3ba36739d 100644
--- a/t/remake-after-acinclude-m4.sh
+++ b/t/remake-after-acinclude-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-after-aclocal-m4.sh b/t/remake-after-aclocal-m4.sh
index 8d6494a1b..f85b3e0a3 100644
--- a/t/remake-after-aclocal-m4.sh
+++ b/t/remake-after-aclocal-m4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-after-configure-ac.sh b/t/remake-after-configure-ac.sh
index b01fab345..dbc6219f1 100644
--- a/t/remake-after-configure-ac.sh
+++ b/t/remake-after-configure-ac.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-after-makefile-am.sh b/t/remake-after-makefile-am.sh
index f980bb23c..68708d555 100644
--- a/t/remake-after-makefile-am.sh
+++ b/t/remake-after-makefile-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-all-1.sh b/t/remake-all-1.sh
index 87eb83270..96276b03e 100644
--- a/t/remake-all-1.sh
+++ b/t/remake-all-1.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-all-2.sh b/t/remake-all-2.sh
index 057c05647..f4a0d7034 100644
--- a/t/remake-all-2.sh
+++ b/t/remake-all-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-am-pr10111.sh b/t/remake-am-pr10111.sh
index 28006de40..c2276f5da 100644
--- a/t/remake-am-pr10111.sh
+++ b/t/remake-am-pr10111.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-config-status-dependencies.sh b/t/remake-config-status-dependencies.sh
index fe4bd4067..ed9298331 100644
--- a/t/remake-config-status-dependencies.sh
+++ b/t/remake-config-status-dependencies.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/remake-configure-dependencies.sh b/t/remake-configure-dependencies.sh
index 4b2a40425..8f223329e 100644
--- a/t/remake-configure-dependencies.sh
+++ b/t/remake-configure-dependencies.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/remake-deeply-nested.sh b/t/remake-deeply-nested.sh
index 532ea17a1..abe677187 100644
--- a/t/remake-deeply-nested.sh
+++ b/t/remake-deeply-nested.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-deleted-am-2.sh b/t/remake-deleted-am-2.sh
index 9ad62aebf..5396dd539 100644
--- a/t/remake-deleted-am-2.sh
+++ b/t/remake-deleted-am-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-deleted-am-subdir.sh b/t/remake-deleted-am-subdir.sh
index efa1aaa41..858f35fa7 100644
--- a/t/remake-deleted-am-subdir.sh
+++ b/t/remake-deleted-am-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-deleted-am.sh b/t/remake-deleted-am.sh
index 705abb29d..5e37a47ec 100644
--- a/t/remake-deleted-am.sh
+++ b/t/remake-deleted-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-deleted-m4-file.sh b/t/remake-deleted-m4-file.sh
index 8219a8587..5d476c4b2 100644
--- a/t/remake-deleted-m4-file.sh
+++ b/t/remake-deleted-m4-file.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-fail.sh b/t/remake-fail.sh
index cf7cc4fb6..443542ea7 100644
--- a/t/remake-fail.sh
+++ b/t/remake-fail.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/remake-gnulib-add-acsubst.sh b/t/remake-gnulib-add-acsubst.sh
index 800c85116..669e2a484 100644
--- a/t/remake-gnulib-add-acsubst.sh
+++ b/t/remake-gnulib-add-acsubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-gnulib-add-header.sh b/t/remake-gnulib-add-header.sh
index 2fdcec8fe..bf6d8f469 100644
--- a/t/remake-gnulib-add-header.sh
+++ b/t/remake-gnulib-add-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-gnulib-remove-header.sh b/t/remake-gnulib-remove-header.sh
index 467305fa8..a6283a21c 100644
--- a/t/remake-gnulib-remove-header.sh
+++ b/t/remake-gnulib-remove-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-include-aclocal.sh b/t/remake-include-aclocal.sh
index 009d425a1..1baf51d6a 100644
--- a/t/remake-include-aclocal.sh
+++ b/t/remake-include-aclocal.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-include-configure.sh b/t/remake-include-configure.sh
index 31522909d..d05edde1b 100644
--- a/t/remake-include-configure.sh
+++ b/t/remake-include-configure.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-include-makefile.sh b/t/remake-include-makefile.sh
index 560565283..ce213f7d9 100644
--- a/t/remake-include-makefile.sh
+++ b/t/remake-include-makefile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-m4-pr10111.sh b/t/remake-m4-pr10111.sh
index 5a936b754..f43962ad1 100644
--- a/t/remake-m4-pr10111.sh
+++ b/t/remake-m4-pr10111.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-macrodir.sh b/t/remake-macrodir.sh
index 38606bc79..ee04ba97b 100644
--- a/t/remake-macrodir.sh
+++ b/t/remake-macrodir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/remake-maintainer-mode.sh b/t/remake-maintainer-mode.sh
index 09fd368a4..ae254a0c5 100644
--- a/t/remake-maintainer-mode.sh
+++ b/t/remake-maintainer-mode.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/remake-makefile-intree.sh b/t/remake-makefile-intree.sh
index 7e3e60570..7bfe34fae 100644
--- a/t/remake-makefile-intree.sh
+++ b/t/remake-makefile-intree.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-makefile-vpath.sh b/t/remake-makefile-vpath.sh
index a49c0a03a..68430c712 100644
--- a/t/remake-makefile-vpath.sh
+++ b/t/remake-makefile-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-mild-stress.sh b/t/remake-mild-stress.sh
index c81f4569b..7231cc88c 100644
--- a/t/remake-mild-stress.sh
+++ b/t/remake-mild-stress.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-moved-m4-file.sh b/t/remake-moved-m4-file.sh
index 5e5de7bba..ae9c2a06c 100644
--- a/t/remake-moved-m4-file.sh
+++ b/t/remake-moved-m4-file.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-not-after-make-dist.sh b/t/remake-not-after-make-dist.sh
index b4702f967..7eb52f59f 100644
--- a/t/remake-not-after-make-dist.sh
+++ b/t/remake-not-after-make-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/remake-recurs-user.sh b/t/remake-recurs-user.sh
index 36c39e369..b93350433 100644
--- a/t/remake-recurs-user.sh
+++ b/t/remake-recurs-user.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/remake-renamed-am.sh b/t/remake-renamed-am.sh
index ab15978ba..46a355aca 100644
--- a/t/remake-renamed-am.sh
+++ b/t/remake-renamed-am.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-renamed-m4-file.sh b/t/remake-renamed-m4-file.sh
index 99d2b3069..fc1c26885 100644
--- a/t/remake-renamed-m4-file.sh
+++ b/t/remake-renamed-m4-file.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-renamed-m4-macro-and-file.sh b/t/remake-renamed-m4-macro-and-file.sh
index 9e4770197..b99b1a54e 100644
--- a/t/remake-renamed-m4-macro-and-file.sh
+++ b/t/remake-renamed-m4-macro-and-file.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-renamed-m4-macro.sh b/t/remake-renamed-m4-macro.sh
index 98e303916..40aa2ab7c 100644
--- a/t/remake-renamed-m4-macro.sh
+++ b/t/remake-renamed-m4-macro.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-subdir-from-subdir.sh b/t/remake-subdir-from-subdir.sh
index 4d90f88c7..5ef918234 100644
--- a/t/remake-subdir-from-subdir.sh
+++ b/t/remake-subdir-from-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/remake-subdir-gnu.sh b/t/remake-subdir-gnu.sh
index 072c1bae8..3b9016470 100644
--- a/t/remake-subdir-gnu.sh
+++ b/t/remake-subdir-gnu.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-subdir-grepping.sh b/t/remake-subdir-grepping.sh
index e9b81e366..ebf8cb6e4 100644
--- a/t/remake-subdir-grepping.sh
+++ b/t/remake-subdir-grepping.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/remake-subdir-long-time.sh b/t/remake-subdir-long-time.sh
index 352b491ff..c292ee6d6 100644
--- a/t/remake-subdir-long-time.sh
+++ b/t/remake-subdir-long-time.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-subdir-no-makefile.sh b/t/remake-subdir-no-makefile.sh
index cb11474d3..e1234e70e 100644
--- a/t/remake-subdir-no-makefile.sh
+++ b/t/remake-subdir-no-makefile.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-subdir-only.sh b/t/remake-subdir-only.sh
index 9c36adcc4..61ed00bae 100644
--- a/t/remake-subdir-only.sh
+++ b/t/remake-subdir-only.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/remake-subdir.sh b/t/remake-subdir.sh
index ad6bffb3f..c2c43db83 100644
--- a/t/remake-subdir.sh
+++ b/t/remake-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-subdir2.sh b/t/remake-subdir2.sh
index 5733d2349..40b7fd18d 100644
--- a/t/remake-subdir2.sh
+++ b/t/remake-subdir2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/remake-subdir3.sh b/t/remake-subdir3.sh
index 249ae0cdb..99a5b9490 100644
--- a/t/remake-subdir3.sh
+++ b/t/remake-subdir3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/remake-timing-bug-pr8365.sh b/t/remake-timing-bug-pr8365.sh
index 8ce87710f..c22bf7d93 100644
--- a/t/remake-timing-bug-pr8365.sh
+++ b/t/remake-timing-bug-pr8365.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/repeated-options.sh b/t/repeated-options.sh
index 95b12a340..caab47ed1 100644
--- a/t/repeated-options.sh
+++ b/t/repeated-options.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/reqd2.sh b/t/reqd2.sh
index 5633ea121..e5ac3bff1 100644
--- a/t/reqd2.sh
+++ b/t/reqd2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/rm-f-probe.sh b/t/rm-f-probe.sh
index 8463f4fb6..513438270 100644
--- a/t/rm-f-probe.sh
+++ b/t/rm-f-probe.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/rulepat.sh b/t/rulepat.sh
index be04596dd..62aad3333 100644
--- a/t/rulepat.sh
+++ b/t/rulepat.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/sanity.sh b/t/sanity.sh
index d7b796159..ff68292ba 100644
--- a/t/sanity.sh
+++ b/t/sanity.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/seenc.sh b/t/seenc.sh
index cc1c0c110..5e2a37cd9 100644
--- a/t/seenc.sh
+++ b/t/seenc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/self-check-cc-no-c-o.sh b/t/self-check-cc-no-c-o.sh
index 5c1e76cd8..b4ef98a27 100644
--- a/t/self-check-cc-no-c-o.sh
+++ b/t/self-check-cc-no-c-o.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/self-check-configure-help.sh b/t/self-check-configure-help.sh
index 484623bd2..f2426f672 100644
--- a/t/self-check-configure-help.sh
+++ b/t/self-check-configure-help.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-dir.tap b/t/self-check-dir.tap
index 174794b48..d8aec2c13 100644
--- a/t/self-check-dir.tap
+++ b/t/self-check-dir.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-exit.tap b/t/self-check-exit.tap
index 5d80ab379..b4fd4284c 100644
--- a/t/self-check-exit.tap
+++ b/t/self-check-exit.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-explicit-skips.sh b/t/self-check-explicit-skips.sh
index 6646d9b68..dfbfbc971 100644
--- a/t/self-check-explicit-skips.sh
+++ b/t/self-check-explicit-skips.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-is-blocked-signal.tap b/t/self-check-is-blocked-signal.tap
index 03d14d935..af342eaf5 100644
--- a/t/self-check-is-blocked-signal.tap
+++ b/t/self-check-is-blocked-signal.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-is_newest.tap b/t/self-check-is_newest.tap
index 423b418cb..177a7700f 100644
--- a/t/self-check-is_newest.tap
+++ b/t/self-check-is_newest.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-me.tap b/t/self-check-me.tap
index 4b0a617eb..98d3cba0a 100644
--- a/t/self-check-me.tap
+++ b/t/self-check-me.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-report.sh b/t/self-check-report.sh
index f1c036876..a8cf3d62e 100644
--- a/t/self-check-report.sh
+++ b/t/self-check-report.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-seq.tap b/t/self-check-seq.tap
index d7a5b2b4a..4ddf1c2a2 100644
--- a/t/self-check-seq.tap
+++ b/t/self-check-seq.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/self-check-shell-no-trail-bslash.sh b/t/self-check-shell-no-trail-bslash.sh
index 9318c4917..0e9bb9256 100644
--- a/t/self-check-shell-no-trail-bslash.sh
+++ b/t/self-check-shell-no-trail-bslash.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/self-check-unindent.tap b/t/self-check-unindent.tap
index b9313d327..f910f171c 100644
--- a/t/self-check-unindent.tap
+++ b/t/self-check-unindent.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/serial-tests.sh b/t/serial-tests.sh
index 05b31e8fd..4c3b67ceb 100644
--- a/t/serial-tests.sh
+++ b/t/serial-tests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/silent-c.sh b/t/silent-c.sh
index 72c864abd..1ddf1b417 100644
--- a/t/silent-c.sh
+++ b/t/silent-c.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-configsite.sh b/t/silent-configsite.sh
index 6bb2d2c48..28d802a5f 100644
--- a/t/silent-configsite.sh
+++ b/t/silent-configsite.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/silent-custom.sh b/t/silent-custom.sh
index 977255b13..34dd4ec01 100644
--- a/t/silent-custom.sh
+++ b/t/silent-custom.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-cxx.sh b/t/silent-cxx.sh
index 1cb23f387..a59418057 100644
--- a/t/silent-cxx.sh
+++ b/t/silent-cxx.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/silent-defaults.sh b/t/silent-defaults.sh
index c4cdee548..25f78a1ce 100644
--- a/t/silent-defaults.sh
+++ b/t/silent-defaults.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/silent-f77.sh b/t/silent-f77.sh
index 1a5124ed6..47f790348 100644
--- a/t/silent-f77.sh
+++ b/t/silent-f77.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/silent-f90.sh b/t/silent-f90.sh
index a979f8ec0..fc6f67369 100644
--- a/t/silent-f90.sh
+++ b/t/silent-f90.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/silent-gen.sh b/t/silent-gen.sh
index 1e2c588c7..a5501e238 100644
--- a/t/silent-gen.sh
+++ b/t/silent-gen.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-lex.sh b/t/silent-lex.sh
index f319eee93..cfe1a9b5d 100644
--- a/t/silent-lex.sh
+++ b/t/silent-lex.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/silent-lt.sh b/t/silent-lt.sh
index 6892f19d6..3ff128d60 100644
--- a/t/silent-lt.sh
+++ b/t/silent-lt.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-many-languages.sh b/t/silent-many-languages.sh
index e45f8ff0d..4edb46884 100644
--- a/t/silent-many-languages.sh
+++ b/t/silent-many-languages.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-nested-vars.sh b/t/silent-nested-vars.sh
index 819a53e6e..657ca96e7 100644
--- a/t/silent-nested-vars.sh
+++ b/t/silent-nested-vars.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/silent-texi.sh b/t/silent-texi.sh
index 75a03b370..aa9932b22 100644
--- a/t/silent-texi.sh
+++ b/t/silent-texi.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/silent-yacc-headers.sh b/t/silent-yacc-headers.sh
index 82bb5fd28..98ae45b8a 100644
--- a/t/silent-yacc-headers.sh
+++ b/t/silent-yacc-headers.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/silent-yacc.sh b/t/silent-yacc.sh
index 4410916e2..9645aff83 100644
--- a/t/silent-yacc.sh
+++ b/t/silent-yacc.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/sourcefile-in-subdir.sh b/t/sourcefile-in-subdir.sh
index a3709ddd8..32606fbc2 100644
--- a/t/sourcefile-in-subdir.sh
+++ b/t/sourcefile-in-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/space.sh b/t/space.sh
index 0623c449c..5bfd3c65b 100644
--- a/t/space.sh
+++ b/t/space.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/specflg-dummy.sh b/t/specflg-dummy.sh
index aa0e8df3d..d22294010 100644
--- a/t/specflg-dummy.sh
+++ b/t/specflg-dummy.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/specflg6.sh b/t/specflg6.sh
index b0a35bdb6..3d1af12dd 100644
--- a/t/specflg6.sh
+++ b/t/specflg6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/specflg7.sh b/t/specflg7.sh
index 05b969333..f0bcdcd50 100644
--- a/t/specflg7.sh
+++ b/t/specflg7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/specflg8.sh b/t/specflg8.sh
index aa69d5dfe..132b5723a 100644
--- a/t/specflg8.sh
+++ b/t/specflg8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/specflg9.sh b/t/specflg9.sh
index 4dc461981..8dd02e4a7 100644
--- a/t/specflg9.sh
+++ b/t/specflg9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/spell.sh b/t/spell.sh
index a28d1f659..9fc85622b 100644
--- a/t/spell.sh
+++ b/t/spell.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/spell2.sh b/t/spell2.sh
index 45897aa4a..488f362d9 100644
--- a/t/spell2.sh
+++ b/t/spell2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/spell3.sh b/t/spell3.sh
index 091bc30e0..fad43777f 100644
--- a/t/spell3.sh
+++ b/t/spell3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/spelling.sh b/t/spelling.sh
index 3fd7386ad..1bf4d1588 100644
--- a/t/spelling.sh
+++ b/t/spelling.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/spy-double-colon.sh b/t/spy-double-colon.sh
index 84ea40329..37e9ce8ed 100644
--- a/t/spy-double-colon.sh
+++ b/t/spy-double-colon.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/spy-rm.tap b/t/spy-rm.tap
index 5eeddcdbd..02d560631 100644
--- a/t/spy-rm.tap
+++ b/t/spy-rm.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/src-acsubst.sh b/t/src-acsubst.sh
index 5a056b01a..060ca4290 100644
--- a/t/src-acsubst.sh
+++ b/t/src-acsubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/stamph2.sh b/t/stamph2.sh
index 70e67b660..460389ff5 100644
--- a/t/stamph2.sh
+++ b/t/stamph2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/stdinc.sh b/t/stdinc.sh
index afc5eb4e6..89f5f7c03 100644
--- a/t/stdinc.sh
+++ b/t/stdinc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2007-2022 Free Software Foundation, Inc.
+# Copyright (C) 2007-2023 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/t/stdlib.sh b/t/stdlib.sh
index 27bce462d..5d41faf23 100644
--- a/t/stdlib.sh
+++ b/t/stdlib.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/stdlib2.sh b/t/stdlib2.sh
index 7ba139084..d48040c46 100644
--- a/t/stdlib2.sh
+++ b/t/stdlib2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/strictness-override.sh b/t/strictness-override.sh
index c5954d854..a74f481c6 100644
--- a/t/strictness-override.sh
+++ b/t/strictness-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/strictness-precedence.sh b/t/strictness-precedence.sh
index 2cefd81e6..9f270f906 100644
--- a/t/strictness-precedence.sh
+++ b/t/strictness-precedence.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/strip.sh b/t/strip.sh
index b985cc8da..422353ee4 100644
--- a/t/strip.sh
+++ b/t/strip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/strip2.sh b/t/strip2.sh
index b9148fe16..5e78dc5ae 100644
--- a/t/strip2.sh
+++ b/t/strip2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/strip3.sh b/t/strip3.sh
index 2801f38c6..57ec06431 100644
--- a/t/strip3.sh
+++ b/t/strip3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/subdir-ac-subst.sh b/t/subdir-ac-subst.sh
index 9abd11c11..f59987066 100644
--- a/t/subdir-ac-subst.sh
+++ b/t/subdir-ac-subst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subdir-add-pr46.sh b/t/subdir-add-pr46.sh
index 616152adf..d46c6f90b 100644
--- a/t/subdir-add-pr46.sh
+++ b/t/subdir-add-pr46.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subdir-add2-pr46.sh b/t/subdir-add2-pr46.sh
index 9fa736e92..57dbd5a3c 100644
--- a/t/subdir-add2-pr46.sh
+++ b/t/subdir-add2-pr46.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/subdir-am-cond.sh b/t/subdir-am-cond.sh
index 51112a43d..c5b8bfdaf 100644
--- a/t/subdir-am-cond.sh
+++ b/t/subdir-am-cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subdir-cond-err.sh b/t/subdir-cond-err.sh
index 7970bb70b..64ee94015 100644
--- a/t/subdir-cond-err.sh
+++ b/t/subdir-cond-err.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/subdir-cond-gettext.sh b/t/subdir-cond-gettext.sh
index 6553458bb..023eff134 100644
--- a/t/subdir-cond-gettext.sh
+++ b/t/subdir-cond-gettext.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subdir-distclean.sh b/t/subdir-distclean.sh
index fcb5619d2..5d97143c3 100644
--- a/t/subdir-distclean.sh
+++ b/t/subdir-distclean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/subdir-env-interference.sh b/t/subdir-env-interference.sh
index 10cce1a7e..44cdd959e 100644
--- a/t/subdir-env-interference.sh
+++ b/t/subdir-env-interference.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/subdir-keep-going-pr12554.sh b/t/subdir-keep-going-pr12554.sh
index 756f01f6e..67f01e4c5 100644
--- a/t/subdir-keep-going-pr12554.sh
+++ b/t/subdir-keep-going-pr12554.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/subdir-order.sh b/t/subdir-order.sh
index b0ee45968..07663cf8f 100644
--- a/t/subdir-order.sh
+++ b/t/subdir-order.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/subdir-subsub.sh b/t/subdir-subsub.sh
index 4e2a17267..c6dad195d 100644
--- a/t/subdir-subsub.sh
+++ b/t/subdir-subsub.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/subdir-with-slash.sh b/t/subdir-with-slash.sh
index d9ff924ac..43d6b639d 100644
--- a/t/subdir-with-slash.sh
+++ b/t/subdir-with-slash.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/subdir.sh b/t/subdir.sh
index bb0f95b5f..375df8dc1 100644
--- a/t/subdir.sh
+++ b/t/subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/subobj-clean-lt-pr10697.sh b/t/subobj-clean-lt-pr10697.sh
index bb656c43f..0b4bb10a7 100644
--- a/t/subobj-clean-lt-pr10697.sh
+++ b/t/subobj-clean-lt-pr10697.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/subobj-clean-pr10697.sh b/t/subobj-clean-pr10697.sh
index f77de8c92..591684bc8 100644
--- a/t/subobj-clean-pr10697.sh
+++ b/t/subobj-clean-pr10697.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/subobj-indir-pr13928.sh b/t/subobj-indir-pr13928.sh
index 6d387f4a6..463f47d4d 100644
--- a/t/subobj-indir-pr13928.sh
+++ b/t/subobj-indir-pr13928.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/subobj-objname-clash.sh b/t/subobj-objname-clash.sh
index 314ebf545..b82dc7060 100644
--- a/t/subobj-objname-clash.sh
+++ b/t/subobj-objname-clash.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/subobj-pr13928-more-langs.sh b/t/subobj-pr13928-more-langs.sh
index 018d3bd5e..8522ad7c4 100644
--- a/t/subobj-pr13928-more-langs.sh
+++ b/t/subobj-pr13928-more-langs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2015-2023 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/t/subobj-vpath-pr13928.sh b/t/subobj-vpath-pr13928.sh
index 5cadf85e1..1a51cb0fb 100644
--- a/t/subobj-vpath-pr13928.sh
+++ b/t/subobj-vpath-pr13928.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/subobj.sh b/t/subobj.sh
index 4de3fc8e5..1fe3ac648 100644
--- a/t/subobj.sh
+++ b/t/subobj.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/subobj10.sh b/t/subobj10.sh
index 6732f1a03..7a2909ad3 100644
--- a/t/subobj10.sh
+++ b/t/subobj10.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/subobj11a.sh b/t/subobj11a.sh
index 0bfd895d5..d7ce8efe5 100644
--- a/t/subobj11a.sh
+++ b/t/subobj11a.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/subobj11b.sh b/t/subobj11b.sh
index 44266c5ee..da67e2e16 100644
--- a/t/subobj11b.sh
+++ b/t/subobj11b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/subobj11c.sh b/t/subobj11c.sh
index 0c4dd27ef..8bb3b3dfd 100644
--- a/t/subobj11c.sh
+++ b/t/subobj11c.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/subobj2.sh b/t/subobj2.sh
index 59243baf5..7f2bf1e4d 100644
--- a/t/subobj2.sh
+++ b/t/subobj2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/subobj4.sh b/t/subobj4.sh
index 146b5951b..7b2856328 100644
--- a/t/subobj4.sh
+++ b/t/subobj4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subobj5.sh b/t/subobj5.sh
index 635e91e68..7bcb8637a 100644
--- a/t/subobj5.sh
+++ b/t/subobj5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subobj6.sh b/t/subobj6.sh
index 43d01bb99..21e44d4b9 100644
--- a/t/subobj6.sh
+++ b/t/subobj6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subobj7.sh b/t/subobj7.sh
index 7e01a0167..eff00340c 100644
--- a/t/subobj7.sh
+++ b/t/subobj7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subobj8.sh b/t/subobj8.sh
index a29d309f0..364ec0665 100644
--- a/t/subobj8.sh
+++ b/t/subobj8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subobj9.sh b/t/subobj9.sh
index 3cec355d7..cdd684317 100644
--- a/t/subobj9.sh
+++ b/t/subobj9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subobjname.sh b/t/subobjname.sh
index 98f75f843..ecefe9b98 100644
--- a/t/subobjname.sh
+++ b/t/subobjname.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subpkg-macrodir.sh b/t/subpkg-macrodir.sh
index 4d86869cd..09b166cd3 100644
--- a/t/subpkg-macrodir.sh
+++ b/t/subpkg-macrodir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subpkg-yacc.sh b/t/subpkg-yacc.sh
index 64c626fd1..edd14532b 100644
--- a/t/subpkg-yacc.sh
+++ b/t/subpkg-yacc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subpkg.sh b/t/subpkg.sh
index ffbe28d4c..a8846893a 100644
--- a/t/subpkg.sh
+++ b/t/subpkg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/subpkg2.sh b/t/subpkg2.sh
index 8bdbe0357..91db26277 100644
--- a/t/subpkg2.sh
+++ b/t/subpkg2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/subpkg3.sh b/t/subpkg3.sh
index 2c2e49331..4f2ed40b7 100644
--- a/t/subpkg3.sh
+++ b/t/subpkg3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/subpkg4.sh b/t/subpkg4.sh
index 7048abd1d..1ba9c3d31 100644
--- a/t/subpkg4.sh
+++ b/t/subpkg4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/subst-no-trailing-empty-line.sh b/t/subst-no-trailing-empty-line.sh
index 00508473d..636880136 100644
--- a/t/subst-no-trailing-empty-line.sh
+++ b/t/subst-no-trailing-empty-line.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/subst.sh b/t/subst.sh
index 5ebcbf53b..5e2cfba24 100644
--- a/t/subst.sh
+++ b/t/subst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/subst3.sh b/t/subst3.sh
index 871c3838a..123bbb4f7 100644
--- a/t/subst3.sh
+++ b/t/subst3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/subst4.sh b/t/subst4.sh
index f0693082e..b031e5563 100644
--- a/t/subst4.sh
+++ b/t/subst4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/subst5.sh b/t/subst5.sh
index cdca379f5..a2cb03b72 100644
--- a/t/subst5.sh
+++ b/t/subst5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/substre2.sh b/t/substre2.sh
index 5183bf80a..7f9a6444f 100644
--- a/t/substre2.sh
+++ b/t/substre2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/substref.sh b/t/substref.sh
index 4e133a6a0..43959680a 100644
--- a/t/substref.sh
+++ b/t/substref.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/substtarg.sh b/t/substtarg.sh
index 5ae256ec0..f15c946fc 100644
--- a/t/substtarg.sh
+++ b/t/substtarg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix-chain.tap b/t/suffix-chain.tap
index df8804b5a..888daddbb 100644
--- a/t/suffix-chain.tap
+++ b/t/suffix-chain.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix-custom-pr14441.sh b/t/suffix-custom-pr14441.sh
index 1ac7b9409..83d9fdcca 100644
--- a/t/suffix-custom-pr14441.sh
+++ b/t/suffix-custom-pr14441.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix-custom-subobj-and-specflg.sh b/t/suffix-custom-subobj-and-specflg.sh
index 3ae410eed..5354830e0 100644
--- a/t/suffix-custom-subobj-and-specflg.sh
+++ b/t/suffix-custom-subobj-and-specflg.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix-custom-subobj.sh b/t/suffix-custom-subobj.sh
index e37538da0..2f0a2bea5 100644
--- a/t/suffix-custom-subobj.sh
+++ b/t/suffix-custom-subobj.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix-extra-c-stuff-pr14560.sh b/t/suffix-extra-c-stuff-pr14560.sh
index c06f9169f..a135e77ce 100644
--- a/t/suffix-extra-c-stuff-pr14560.sh
+++ b/t/suffix-extra-c-stuff-pr14560.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/suffix.sh b/t/suffix.sh
index 95e1dbb9a..ad7fbf8c3 100644
--- a/t/suffix.sh
+++ b/t/suffix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/suffix10.tap b/t/suffix10.tap
index de5dc5fe7..3869d07fd 100644
--- a/t/suffix10.tap
+++ b/t/suffix10.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix11.tap b/t/suffix11.tap
index 86f1c3126..25f82f9b7 100644
--- a/t/suffix11.tap
+++ b/t/suffix11.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix2.sh b/t/suffix2.sh
index 304907e1b..39105362f 100644
--- a/t/suffix2.sh
+++ b/t/suffix2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/suffix3.tap b/t/suffix3.tap
index 9a9585b86..86114d444 100644
--- a/t/suffix3.tap
+++ b/t/suffix3.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/suffix4.sh b/t/suffix4.sh
index ae2d8b04c..2023d8bb5 100644
--- a/t/suffix4.sh
+++ b/t/suffix4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix5.sh b/t/suffix5.sh
index 93eaf7e54..eabb1b176 100644
--- a/t/suffix5.sh
+++ b/t/suffix5.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix6.sh b/t/suffix6.sh
index 532e9b5c8..3edbb7dd8 100644
--- a/t/suffix6.sh
+++ b/t/suffix6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix6b.sh b/t/suffix6b.sh
index f172ee84f..b2ce0d057 100644
--- a/t/suffix6b.sh
+++ b/t/suffix6b.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix6c.sh b/t/suffix6c.sh
index 90638694b..c0ee93236 100644
--- a/t/suffix6c.sh
+++ b/t/suffix6c.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix7.sh b/t/suffix7.sh
index 151b59899..00597d485 100644
--- a/t/suffix7.sh
+++ b/t/suffix7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/suffix8.tap b/t/suffix8.tap
index 93776a802..c987943b5 100644
--- a/t/suffix8.tap
+++ b/t/suffix8.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/suffix9.sh b/t/suffix9.sh
index e701daf59..fda99654a 100644
--- a/t/suffix9.sh
+++ b/t/suffix9.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/symlink.sh b/t/symlink.sh
index 76b040fb4..1e6ffb470 100644
--- a/t/symlink.sh
+++ b/t/symlink.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/symlink2.sh b/t/symlink2.sh
index 94a54f182..23ef25af6 100644
--- a/t/symlink2.sh
+++ b/t/symlink2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/syntax.sh b/t/syntax.sh
index ae3450577..b4ce1eb40 100644
--- a/t/syntax.sh
+++ b/t/syntax.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/tags-lisp-space.sh b/t/tags-lisp-space.sh
index c7fb73832..b36f35f1a 100644
--- a/t/tags-lisp-space.sh
+++ b/t/tags-lisp-space.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2019-2022 Free Software Foundation, Inc.
+# Copyright (C) 2019-2023 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/t/tags-pr12372.sh b/t/tags-pr12372.sh
index b9c022f70..7e86f7214 100644
--- a/t/tags-pr12372.sh
+++ b/t/tags-pr12372.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/tags.sh b/t/tags.sh
index 17ff7b861..204ff54be 100644
--- a/t/tags.sh
+++ b/t/tags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/tags2.sh b/t/tags2.sh
index c97bf767c..7c9ea9867 100644
--- a/t/tags2.sh
+++ b/t/tags2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/tagsub.sh b/t/tagsub.sh
index b010bd557..6128fc9eb 100644
--- a/t/tagsub.sh
+++ b/t/tagsub.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/tap-ambiguous-directive.sh b/t/tap-ambiguous-directive.sh
index 3bf4c953f..8e49cbb6f 100644
--- a/t/tap-ambiguous-directive.sh
+++ b/t/tap-ambiguous-directive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-autonumber.sh b/t/tap-autonumber.sh
index 3235aa497..c5da9b653 100644
--- a/t/tap-autonumber.sh
+++ b/t/tap-autonumber.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bad-prog.tap b/t/tap-bad-prog.tap
index b2271b3d8..cb92a9b32 100644
--- a/t/tap-bad-prog.tap
+++ b/t/tap-bad-prog.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout-and-logging.sh b/t/tap-bailout-and-logging.sh
index 34cec4bb4..380468632 100644
--- a/t/tap-bailout-and-logging.sh
+++ b/t/tap-bailout-and-logging.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout-leading-space.sh b/t/tap-bailout-leading-space.sh
index e6dbc2568..867305fb2 100644
--- a/t/tap-bailout-leading-space.sh
+++ b/t/tap-bailout-leading-space.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout-suppress-badexit.sh b/t/tap-bailout-suppress-badexit.sh
index e5f1575c5..bd5986742 100644
--- a/t/tap-bailout-suppress-badexit.sh
+++ b/t/tap-bailout-suppress-badexit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout-suppress-later-diagnostic.sh b/t/tap-bailout-suppress-later-diagnostic.sh
index 1f1f5ee01..d713b6b4d 100644
--- a/t/tap-bailout-suppress-later-diagnostic.sh
+++ b/t/tap-bailout-suppress-later-diagnostic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout-suppress-later-errors.sh b/t/tap-bailout-suppress-later-errors.sh
index 162a4958e..723ff4779 100644
--- a/t/tap-bailout-suppress-later-errors.sh
+++ b/t/tap-bailout-suppress-later-errors.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-bailout.sh b/t/tap-bailout.sh
index 8ec0f7b85..48dffb37e 100644
--- a/t/tap-bailout.sh
+++ b/t/tap-bailout.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-basic.sh b/t/tap-basic.sh
index 30743e963..1ba1a4aef 100644
--- a/t/tap-basic.sh
+++ b/t/tap-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-color.sh b/t/tap-color.sh
index 8c8a533ec..3cf374093 100644
--- a/t/tap-color.sh
+++ b/t/tap-color.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-common-setup.sh b/t/tap-common-setup.sh
index e070253b4..b34f9abae 100644
--- a/t/tap-common-setup.sh
+++ b/t/tap-common-setup.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-deps.sh b/t/tap-deps.sh
index dab53de01..4dd2325cb 100644
--- a/t/tap-deps.sh
+++ b/t/tap-deps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-diagnostic-custom.sh b/t/tap-diagnostic-custom.sh
index b49fb64b6..da7945aa2 100644
--- a/t/tap-diagnostic-custom.sh
+++ b/t/tap-diagnostic-custom.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-diagnostic.sh b/t/tap-diagnostic.sh
index e47a4f67b..7316cba2f 100644
--- a/t/tap-diagnostic.sh
+++ b/t/tap-diagnostic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-doc.sh b/t/tap-doc.sh
index d2fb8c9bf..d18e02a8a 100644
--- a/t/tap-doc.sh
+++ b/t/tap-doc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-doc2.sh b/t/tap-doc2.sh
index 0b67e9a90..3abbd8a8e 100644
--- a/t/tap-doc2.sh
+++ b/t/tap-doc2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-driver-stderr.sh b/t/tap-driver-stderr.sh
index 40f39db9a..f3d8e8305 100644
--- a/t/tap-driver-stderr.sh
+++ b/t/tap-driver-stderr.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-empty-diagnostic.sh b/t/tap-empty-diagnostic.sh
index 1788d779e..8bd6d391d 100644
--- a/t/tap-empty-diagnostic.sh
+++ b/t/tap-empty-diagnostic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-empty.sh b/t/tap-empty.sh
index ede2dbe34..39355a626 100644
--- a/t/tap-empty.sh
+++ b/t/tap-empty.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-escape-directive-2.sh b/t/tap-escape-directive-2.sh
index 7f8135493..e62c712a7 100644
--- a/t/tap-escape-directive-2.sh
+++ b/t/tap-escape-directive-2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-escape-directive.sh b/t/tap-escape-directive.sh
index 8325b035e..3849a722d 100644
--- a/t/tap-escape-directive.sh
+++ b/t/tap-escape-directive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-exit.sh b/t/tap-exit.sh
index fbf111fa2..7eeaf4526 100644
--- a/t/tap-exit.sh
+++ b/t/tap-exit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-fancy.sh b/t/tap-fancy.sh
index e5dcdf795..e2ceb3ad0 100644
--- a/t/tap-fancy.sh
+++ b/t/tap-fancy.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-fancy2.sh b/t/tap-fancy2.sh
index 410a7fcce..ffe04cfa4 100644
--- a/t/tap-fancy2.sh
+++ b/t/tap-fancy2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-global-log.sh b/t/tap-global-log.sh
index 0f5828317..83c1e3189 100644
--- a/t/tap-global-log.sh
+++ b/t/tap-global-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-global-result.sh b/t/tap-global-result.sh
index ec2e0d02f..d91b7d131 100644
--- a/t/tap-global-result.sh
+++ b/t/tap-global-result.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-log.sh b/t/tap-log.sh
index 440535003..46780971e 100644
--- a/t/tap-log.sh
+++ b/t/tap-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-merge-stdout-stderr.sh b/t/tap-merge-stdout-stderr.sh
index 81efe7a7d..739af9869 100644
--- a/t/tap-merge-stdout-stderr.sh
+++ b/t/tap-merge-stdout-stderr.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-missing-plan-and-bad-exit.sh b/t/tap-missing-plan-and-bad-exit.sh
index f3b12ac7f..f79e5429b 100644
--- a/t/tap-missing-plan-and-bad-exit.sh
+++ b/t/tap-missing-plan-and-bad-exit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-more.sh b/t/tap-more.sh
index 0085a334e..8d4ea4387 100644
--- a/t/tap-more.sh
+++ b/t/tap-more.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-more2.sh b/t/tap-more2.sh
index d68ce8d1c..a635c868c 100644
--- a/t/tap-more2.sh
+++ b/t/tap-more2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-msg0-bailout.sh b/t/tap-msg0-bailout.sh
index 3e961abde..c5631d3d5 100644
--- a/t/tap-msg0-bailout.sh
+++ b/t/tap-msg0-bailout.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-msg0-directive.sh b/t/tap-msg0-directive.sh
index 220a9b479..79be014c6 100644
--- a/t/tap-msg0-directive.sh
+++ b/t/tap-msg0-directive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-msg0-misc.sh b/t/tap-msg0-misc.sh
index dc01d9368..0ede8b1de 100644
--- a/t/tap-msg0-misc.sh
+++ b/t/tap-msg0-misc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-msg0-planskip.sh b/t/tap-msg0-planskip.sh
index cfc3fd950..2013f0172 100644
--- a/t/tap-msg0-planskip.sh
+++ b/t/tap-msg0-planskip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-msg0-result.sh b/t/tap-msg0-result.sh
index 2582c5645..c72e3700a 100644
--- a/t/tap-msg0-result.sh
+++ b/t/tap-msg0-result.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-negative-numbers.sh b/t/tap-negative-numbers.sh
index 753f3d6e8..f12cb0692 100644
--- a/t/tap-negative-numbers.sh
+++ b/t/tap-negative-numbers.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-no-disable-hard-error.sh b/t/tap-no-disable-hard-error.sh
index b426b3edb..732523746 100644
--- a/t/tap-no-disable-hard-error.sh
+++ b/t/tap-no-disable-hard-error.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-no-merge-stdout-stderr.sh b/t/tap-no-merge-stdout-stderr.sh
index 05dec52a8..b08c2b795 100644
--- a/t/tap-no-merge-stdout-stderr.sh
+++ b/t/tap-no-merge-stdout-stderr.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-no-spurious-numbers.sh b/t/tap-no-spurious-numbers.sh
index 9faa66b54..d45952ca8 100644
--- a/t/tap-no-spurious-numbers.sh
+++ b/t/tap-no-spurious-numbers.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-no-spurious-summary.sh b/t/tap-no-spurious-summary.sh
index 040325b6e..270315c4f 100644
--- a/t/tap-no-spurious-summary.sh
+++ b/t/tap-no-spurious-summary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-no-spurious.sh b/t/tap-no-spurious.sh
index a37f135d9..a88b82cf3 100644
--- a/t/tap-no-spurious.sh
+++ b/t/tap-no-spurious.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-not-ok-skip.sh b/t/tap-not-ok-skip.sh
index 1c30c4588..a4fb962a6 100644
--- a/t/tap-not-ok-skip.sh
+++ b/t/tap-not-ok-skip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-number-wordboundary.sh b/t/tap-number-wordboundary.sh
index 5b887e215..94623f92f 100644
--- a/t/tap-number-wordboundary.sh
+++ b/t/tap-number-wordboundary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-numbers-leading-zero.sh b/t/tap-numbers-leading-zero.sh
index b24c017b1..f8aefe3fa 100644
--- a/t/tap-numbers-leading-zero.sh
+++ b/t/tap-numbers-leading-zero.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-numeric-description.sh b/t/tap-numeric-description.sh
index cca00f8ec..2647a3dc3 100644
--- a/t/tap-numeric-description.sh
+++ b/t/tap-numeric-description.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-out-of-order.sh b/t/tap-out-of-order.sh
index 28608c727..29f162aba 100644
--- a/t/tap-out-of-order.sh
+++ b/t/tap-out-of-order.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-passthrough-exit.sh b/t/tap-passthrough-exit.sh
index 4dee59eb0..702353250 100644
--- a/t/tap-passthrough-exit.sh
+++ b/t/tap-passthrough-exit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-passthrough.sh b/t/tap-passthrough.sh
index 6cb2baa25..8ae7ff259 100644
--- a/t/tap-passthrough.sh
+++ b/t/tap-passthrough.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-corner.sh b/t/tap-plan-corner.sh
index a6303dddb..2e78612e4 100644
--- a/t/tap-plan-corner.sh
+++ b/t/tap-plan-corner.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-errors.sh b/t/tap-plan-errors.sh
index c6b19531c..ed78b0ca7 100644
--- a/t/tap-plan-errors.sh
+++ b/t/tap-plan-errors.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-leading-zero.sh b/t/tap-plan-leading-zero.sh
index c7a2ef7d9..cde9bc7ac 100644
--- a/t/tap-plan-leading-zero.sh
+++ b/t/tap-plan-leading-zero.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-malformed.sh b/t/tap-plan-malformed.sh
index f96f7b150..23646ef20 100644
--- a/t/tap-plan-malformed.sh
+++ b/t/tap-plan-malformed.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-middle.sh b/t/tap-plan-middle.sh
index d7308774b..386943d70 100644
--- a/t/tap-plan-middle.sh
+++ b/t/tap-plan-middle.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan-whitespace.sh b/t/tap-plan-whitespace.sh
index f5d6bd96c..a9dfde03d 100644
--- a/t/tap-plan-whitespace.sh
+++ b/t/tap-plan-whitespace.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-plan.sh b/t/tap-plan.sh
index 1d7879aaf..0e5a67abb 100644
--- a/t/tap-plan.sh
+++ b/t/tap-plan.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-and-logging.sh b/t/tap-planskip-and-logging.sh
index 92197c9cd..f297da4da 100644
--- a/t/tap-planskip-and-logging.sh
+++ b/t/tap-planskip-and-logging.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-badexit.sh b/t/tap-planskip-badexit.sh
index 441c98fbf..b91861ac5 100644
--- a/t/tap-planskip-badexit.sh
+++ b/t/tap-planskip-badexit.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-bailout.sh b/t/tap-planskip-bailout.sh
index 273dc1086..05a1302b0 100644
--- a/t/tap-planskip-bailout.sh
+++ b/t/tap-planskip-bailout.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-case-insensitive.sh b/t/tap-planskip-case-insensitive.sh
index dfd065800..27763e708 100644
--- a/t/tap-planskip-case-insensitive.sh
+++ b/t/tap-planskip-case-insensitive.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-late.sh b/t/tap-planskip-late.sh
index e6bc6e267..31f6e2807 100644
--- a/t/tap-planskip-late.sh
+++ b/t/tap-planskip-late.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-later-errors.sh b/t/tap-planskip-later-errors.sh
index c4ad4cd3c..26ee1c0ed 100644
--- a/t/tap-planskip-later-errors.sh
+++ b/t/tap-planskip-later-errors.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-unplanned-corner.sh b/t/tap-planskip-unplanned-corner.sh
index 03860a50e..51930a1c5 100644
--- a/t/tap-planskip-unplanned-corner.sh
+++ b/t/tap-planskip-unplanned-corner.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-unplanned.sh b/t/tap-planskip-unplanned.sh
index 5135ef604..7295b36da 100644
--- a/t/tap-planskip-unplanned.sh
+++ b/t/tap-planskip-unplanned.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip-whitespace.sh b/t/tap-planskip-whitespace.sh
index 67e4b1655..08c0e4be9 100644
--- a/t/tap-planskip-whitespace.sh
+++ b/t/tap-planskip-whitespace.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-planskip.sh b/t/tap-planskip.sh
index 57ba0bd9c..59e405bf0 100644
--- a/t/tap-planskip.sh
+++ b/t/tap-planskip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-recheck-logs.sh b/t/tap-recheck-logs.sh
index c80ab4cfc..c3b8da6e7 100644
--- a/t/tap-recheck-logs.sh
+++ b/t/tap-recheck-logs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-recheck.sh b/t/tap-recheck.sh
index 10eb6ec97..55a8e1d9e 100644
--- a/t/tap-recheck.sh
+++ b/t/tap-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-result-comment.sh b/t/tap-result-comment.sh
index 6a4043aa0..b0068e462 100644
--- a/t/tap-result-comment.sh
+++ b/t/tap-result-comment.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-signal.tap b/t/tap-signal.tap
index 6568f5338..b1627dfa7 100644
--- a/t/tap-signal.tap
+++ b/t/tap-signal.tap
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-summary-color.sh b/t/tap-summary-color.sh
index a15e173c2..9e78da105 100644
--- a/t/tap-summary-color.sh
+++ b/t/tap-summary-color.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-summary.sh b/t/tap-summary.sh
index 65fd7d768..10cc25537 100644
--- a/t/tap-summary.sh
+++ b/t/tap-summary.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-test-number-0.sh b/t/tap-test-number-0.sh
index 3c19d28c7..871e23d0c 100644
--- a/t/tap-test-number-0.sh
+++ b/t/tap-test-number-0.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-todo-skip-together.sh b/t/tap-todo-skip-together.sh
index 0965908a6..78d3ea704 100644
--- a/t/tap-todo-skip-together.sh
+++ b/t/tap-todo-skip-together.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-todo-skip-whitespace.sh b/t/tap-todo-skip-whitespace.sh
index 6e3fb74ab..437bd2ede 100644
--- a/t/tap-todo-skip-whitespace.sh
+++ b/t/tap-todo-skip-whitespace.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-todo-skip.sh b/t/tap-todo-skip.sh
index ca1738391..ff14f91d7 100644
--- a/t/tap-todo-skip.sh
+++ b/t/tap-todo-skip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-unplanned.sh b/t/tap-unplanned.sh
index 8f980ef49..6eef33262 100644
--- a/t/tap-unplanned.sh
+++ b/t/tap-unplanned.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-whitespace-normalization.sh b/t/tap-whitespace-normalization.sh
index dedff3979..6f85f7e4d 100644
--- a/t/tap-whitespace-normalization.sh
+++ b/t/tap-whitespace-normalization.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-with-and-without-number.sh b/t/tap-with-and-without-number.sh
index b3ed26e93..cde51e3c3 100644
--- a/t/tap-with-and-without-number.sh
+++ b/t/tap-with-and-without-number.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tap-xfail-tests.sh b/t/tap-xfail-tests.sh
index dd7ac824d..0aaae6ea7 100644
--- a/t/tap-xfail-tests.sh
+++ b/t/tap-xfail-tests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tar-opts-errors.sh b/t/tar-opts-errors.sh
index a26089892..428adc41d 100644
--- a/t/tar-opts-errors.sh
+++ b/t/tar-opts-errors.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/tar-override.sh b/t/tar-override.sh
index dd218f148..2608db581 100644
--- a/t/tar-override.sh
+++ b/t/tar-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tar-pax.sh b/t/tar-pax.sh
index 7775cc01a..e13e45d68 100644
--- a/t/tar-pax.sh
+++ b/t/tar-pax.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/tar-ustar-id-too-high.sh b/t/tar-ustar-id-too-high.sh
index f4ed339b9..0d3713617 100644
--- a/t/tar-ustar-id-too-high.sh
+++ b/t/tar-ustar-id-too-high.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/tar-ustar.sh b/t/tar-ustar.sh
index 5b4acee37..480590b7e 100644
--- a/t/tar-ustar.sh
+++ b/t/tar-ustar.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/target-cflags.sh b/t/target-cflags.sh
index 06c77bde1..f683bc910 100644
--- a/t/target-cflags.sh
+++ b/t/target-cflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 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/t/targetclash.sh b/t/targetclash.sh
index 953dd685c..1c9ac796d 100644
--- a/t/targetclash.sh
+++ b/t/targetclash.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/test-driver-acsubst.sh b/t/test-driver-acsubst.sh
index 40f2de69a..27618e04a 100644
--- a/t/test-driver-acsubst.sh
+++ b/t/test-driver-acsubst.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-cond.sh b/t/test-driver-cond.sh
index 476d6a48e..d960814bc 100644
--- a/t/test-driver-cond.sh
+++ b/t/test-driver-cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-create-log-dir.sh b/t/test-driver-create-log-dir.sh
index 93447939e..cfd010daa 100644
--- a/t/test-driver-create-log-dir.sh
+++ b/t/test-driver-create-log-dir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom-multitest-recheck.sh b/t/test-driver-custom-multitest-recheck.sh
index 05f5f9b47..b1ca42e82 100644
--- a/t/test-driver-custom-multitest-recheck.sh
+++ b/t/test-driver-custom-multitest-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom-multitest-recheck2.sh b/t/test-driver-custom-multitest-recheck2.sh
index 6625c7909..7e9540ef7 100644
--- a/t/test-driver-custom-multitest-recheck2.sh
+++ b/t/test-driver-custom-multitest-recheck2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom-multitest.sh b/t/test-driver-custom-multitest.sh
index 923902dd5..c520f9b2e 100644
--- a/t/test-driver-custom-multitest.sh
+++ b/t/test-driver-custom-multitest.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom-no-extra-driver.sh b/t/test-driver-custom-no-extra-driver.sh
index a156e73d1..9716c8d23 100644
--- a/t/test-driver-custom-no-extra-driver.sh
+++ b/t/test-driver-custom-no-extra-driver.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom-xfail-tests.sh b/t/test-driver-custom-xfail-tests.sh
index 4946466a0..b9cea8f96 100644
--- a/t/test-driver-custom-xfail-tests.sh
+++ b/t/test-driver-custom-xfail-tests.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-custom.sh b/t/test-driver-custom.sh
index 7f529ebd1..0b75cf502 100644
--- a/t/test-driver-custom.sh
+++ b/t/test-driver-custom.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-fail.sh b/t/test-driver-fail.sh
index a679af0c2..344900b83 100644
--- a/t/test-driver-fail.sh
+++ b/t/test-driver-fail.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-is-distributed.sh b/t/test-driver-is-distributed.sh
index c9c66cd79..d21a9c0c3 100644
--- a/t/test-driver-is-distributed.sh
+++ b/t/test-driver-is-distributed.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-strip-vpath.sh b/t/test-driver-strip-vpath.sh
index fed7c370e..fd51cead9 100644
--- a/t/test-driver-strip-vpath.sh
+++ b/t/test-driver-strip-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-driver-trs-suffix-registered.sh b/t/test-driver-trs-suffix-registered.sh
index 683efddf3..88858d191 100644
--- a/t/test-driver-trs-suffix-registered.sh
+++ b/t/test-driver-trs-suffix-registered.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-extensions-cond.sh b/t/test-extensions-cond.sh
index 164f7bacd..ede0c0018 100644
--- a/t/test-extensions-cond.sh
+++ b/t/test-extensions-cond.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-extensions-empty.sh b/t/test-extensions-empty.sh
index 9edc30987..68a794be2 100644
--- a/t/test-extensions-empty.sh
+++ b/t/test-extensions-empty.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/test-extensions.sh b/t/test-extensions.sh
index de3c5e1ef..f328e09c1 100644
--- a/t/test-extensions.sh
+++ b/t/test-extensions.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-harness-vpath-rewrite.sh b/t/test-harness-vpath-rewrite.sh
index fdcf3069d..83b1ec6ad 100644
--- a/t/test-harness-vpath-rewrite.sh
+++ b/t/test-harness-vpath-rewrite.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/test-log.sh b/t/test-log.sh
index c4dce476d..37040c679 100644
--- a/t/test-log.sh
+++ b/t/test-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-logs-repeated.sh b/t/test-logs-repeated.sh
index 0a0a6cda4..934f5b1eb 100644
--- a/t/test-logs-repeated.sh
+++ b/t/test-logs-repeated.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-metadata-global-log.sh b/t/test-metadata-global-log.sh
index fcc5a00d2..cc98f2cd9 100644
--- a/t/test-metadata-global-log.sh
+++ b/t/test-metadata-global-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-metadata-global-result.sh b/t/test-metadata-global-result.sh
index 50d501c51..5ee1325ec 100644
--- a/t/test-metadata-global-result.sh
+++ b/t/test-metadata-global-result.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-metadata-recheck.sh b/t/test-metadata-recheck.sh
index 11949b80c..403ec9aaf 100644
--- a/t/test-metadata-recheck.sh
+++ b/t/test-metadata-recheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-metadata-results.sh b/t/test-metadata-results.sh
index e053aa04c..66b8d1ec2 100644
--- a/t/test-metadata-results.sh
+++ b/t/test-metadata-results.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-missing.sh b/t/test-missing.sh
index 2dc792703..83105714c 100644
--- a/t/test-missing.sh
+++ b/t/test-missing.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-missing2.sh b/t/test-missing2.sh
index 0a92cd686..a14413cb2 100644
--- a/t/test-missing2.sh
+++ b/t/test-missing2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-trs-basic.sh b/t/test-trs-basic.sh
index 3da108dfd..58ef42714 100644
--- a/t/test-trs-basic.sh
+++ b/t/test-trs-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-trs-recover.sh b/t/test-trs-recover.sh
index d6243ec69..f52cd99b1 100644
--- a/t/test-trs-recover.sh
+++ b/t/test-trs-recover.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/test-trs-recover2.sh b/t/test-trs-recover2.sh
index b33c12c34..308760db2 100644
--- a/t/test-trs-recover2.sh
+++ b/t/test-trs-recover2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tests-environment-and-log-compiler.sh b/t/tests-environment-and-log-compiler.sh
index 4ba4d933b..1a8a588e1 100644
--- a/t/tests-environment-and-log-compiler.sh
+++ b/t/tests-environment-and-log-compiler.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tests-environment-backcompat.sh b/t/tests-environment-backcompat.sh
index bac616d62..e9278cd95 100644
--- a/t/tests-environment-backcompat.sh
+++ b/t/tests-environment-backcompat.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tests-environment-fd-redirect.sh b/t/tests-environment-fd-redirect.sh
index 2a5d65472..7514566b1 100644
--- a/t/tests-environment-fd-redirect.sh
+++ b/t/tests-environment-fd-redirect.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/tests-environment.sh b/t/tests-environment.sh
index b7ea5da05..aa620488d 100644
--- a/t/tests-environment.sh
+++ b/t/tests-environment.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/testsuite-summary-color.sh b/t/testsuite-summary-color.sh
index 151d37c69..de15a2449 100644
--- a/t/testsuite-summary-color.sh
+++ b/t/testsuite-summary-color.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/testsuite-summary-count-many.sh b/t/testsuite-summary-count-many.sh
index 11e04c106..d277ba46a 100644
--- a/t/testsuite-summary-count-many.sh
+++ b/t/testsuite-summary-count-many.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/testsuite-summary-count.sh b/t/testsuite-summary-count.sh
index 6c8e3dad3..f7702aae0 100644
--- a/t/testsuite-summary-count.sh
+++ b/t/testsuite-summary-count.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/testsuite-summary-header.sh b/t/testsuite-summary-header.sh
index 9c11ed834..78c6c9b75 100644
--- a/t/testsuite-summary-header.sh
+++ b/t/testsuite-summary-header.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/testsuite-summary-reference-log.sh b/t/testsuite-summary-reference-log.sh
index 1dc1e79fb..f61ff089c 100644
--- a/t/testsuite-summary-reference-log.sh
+++ b/t/testsuite-summary-reference-log.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/toplevelmd.sh b/t/toplevelmd.sh
index eb0c38679..6da047039 100644
--- a/t/toplevelmd.sh
+++ b/t/toplevelmd.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/transform.sh b/t/transform.sh
index 6a3c801a3..d322b3552 100644
--- a/t/transform.sh
+++ b/t/transform.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/transform2.sh b/t/transform2.sh
index b09f78be8..a048bcd8d 100644
--- a/t/transform2.sh
+++ b/t/transform2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/transform3.sh b/t/transform3.sh
index a5a2ad741..df4fc6d53 100644
--- a/t/transform3.sh
+++ b/t/transform3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/txinfo-absolute-srcdir-pr408.sh b/t/txinfo-absolute-srcdir-pr408.sh
index 282acdce9..3ea3ff1ec 100644
--- a/t/txinfo-absolute-srcdir-pr408.sh
+++ b/t/txinfo-absolute-srcdir-pr408.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-add-missing-and-dist.sh b/t/txinfo-add-missing-and-dist.sh
index b5b8f2b07..82b23757b 100644
--- a/t/txinfo-add-missing-and-dist.sh
+++ b/t/txinfo-add-missing-and-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1999-2022 Free Software Foundation, Inc.
+# Copyright (C) 1999-2023 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/t/txinfo-bsd-make-recurs.sh b/t/txinfo-bsd-make-recurs.sh
index 0433e5d14..5d627ecfe 100644
--- a/t/txinfo-bsd-make-recurs.sh
+++ b/t/txinfo-bsd-make-recurs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 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/t/txinfo-builddir.sh b/t/txinfo-builddir.sh
index 4573a5782..94f4e1b91 100644
--- a/t/txinfo-builddir.sh
+++ b/t/txinfo-builddir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/txinfo-clean.sh b/t/txinfo-clean.sh
index 347e2cffc..db7887921 100644
--- a/t/txinfo-clean.sh
+++ b/t/txinfo-clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-dvi-recurs.sh b/t/txinfo-dvi-recurs.sh
index bdc9787a4..98993be4c 100644
--- a/t/txinfo-dvi-recurs.sh
+++ b/t/txinfo-dvi-recurs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/txinfo-include.sh b/t/txinfo-include.sh
index 10fff0753..40906e163 100644
--- a/t/txinfo-include.sh
+++ b/t/txinfo-include.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/txinfo-info-in-srcdir.sh b/t/txinfo-info-in-srcdir.sh
index 97331ed81..cd74832f0 100644
--- a/t/txinfo-info-in-srcdir.sh
+++ b/t/txinfo-info-in-srcdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/txinfo-makeinfo-error-no-clobber.sh b/t/txinfo-makeinfo-error-no-clobber.sh
index a96b24f64..039cb53b6 100644
--- a/t/txinfo-makeinfo-error-no-clobber.sh
+++ b/t/txinfo-makeinfo-error-no-clobber.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-many-output-formats-vpath.sh b/t/txinfo-many-output-formats-vpath.sh
index 3842e63cd..8fa4e92ea 100644
--- a/t/txinfo-many-output-formats-vpath.sh
+++ b/t/txinfo-many-output-formats-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-many-output-formats.sh b/t/txinfo-many-output-formats.sh
index cdb0bf40c..d31bd9168 100644
--- a/t/txinfo-many-output-formats.sh
+++ b/t/txinfo-many-output-formats.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-no-clutter.sh b/t/txinfo-no-clutter.sh
index 4adb93f87..fbb6b9a85 100644
--- a/t/txinfo-no-clutter.sh
+++ b/t/txinfo-no-clutter.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/txinfo-no-extra-dist.sh b/t/txinfo-no-extra-dist.sh
index fcc6375c9..7f006d5de 100644
--- a/t/txinfo-no-extra-dist.sh
+++ b/t/txinfo-no-extra-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/txinfo-no-installinfo.sh b/t/txinfo-no-installinfo.sh
index 267253138..c28c33e8a 100644
--- a/t/txinfo-no-installinfo.sh
+++ b/t/txinfo-no-installinfo.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-no-repeated-targets.sh b/t/txinfo-no-repeated-targets.sh
index 9dc40154d..e14e5c441 100644
--- a/t/txinfo-no-repeated-targets.sh
+++ b/t/txinfo-no-repeated-targets.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/txinfo-no-setfilename-no-inputs.sh b/t/txinfo-no-setfilename-no-inputs.sh
index 4cedb2f88..41afff18b 100644
--- a/t/txinfo-no-setfilename-no-inputs.sh
+++ b/t/txinfo-no-setfilename-no-inputs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 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/t/txinfo-no-setfilename.sh b/t/txinfo-no-setfilename.sh
index b30f81be4..ec1fe83c5 100644
--- a/t/txinfo-no-setfilename.sh
+++ b/t/txinfo-no-setfilename.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2019-2022 Free Software Foundation, Inc.
+# Copyright (C) 2019-2023 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/t/txinfo-nodist-info.sh b/t/txinfo-nodist-info.sh
index d1bad0c63..f82238fc4 100644
--- a/t/txinfo-nodist-info.sh
+++ b/t/txinfo-nodist-info.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+# Copyright (C) 2013-2023 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/t/txinfo-other-suffixes.sh b/t/txinfo-other-suffixes.sh
index aabef2d69..9cc4b3ec1 100644
--- a/t/txinfo-other-suffixes.sh
+++ b/t/txinfo-other-suffixes.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/txinfo-override-infodeps.sh b/t/txinfo-override-infodeps.sh
index 253520834..6a05a4a4b 100644
--- a/t/txinfo-override-infodeps.sh
+++ b/t/txinfo-override-infodeps.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/txinfo-override-texinfo-tex.sh b/t/txinfo-override-texinfo-tex.sh
index e6f2de7e4..ee57b9e67 100644
--- a/t/txinfo-override-texinfo-tex.sh
+++ b/t/txinfo-override-texinfo-tex.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo-setfilename-repeated.sh b/t/txinfo-setfilename-repeated.sh
index 1702cc4ee..c6d7857ea 100644
--- a/t/txinfo-setfilename-repeated.sh
+++ b/t/txinfo-setfilename-repeated.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/txinfo-setfilename-suffix-strip.sh b/t/txinfo-setfilename-suffix-strip.sh
index 4b732eea1..d23dfd6e2 100644
--- a/t/txinfo-setfilename-suffix-strip.sh
+++ b/t/txinfo-setfilename-suffix-strip.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/txinfo-subdir-pr343.sh b/t/txinfo-subdir-pr343.sh
index 085d53e2b..02483dedc 100644
--- a/t/txinfo-subdir-pr343.sh
+++ b/t/txinfo-subdir-pr343.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/txinfo-tex-dist.sh b/t/txinfo-tex-dist.sh
index bd72b7bfa..73d359e2f 100644
--- a/t/txinfo-tex-dist.sh
+++ b/t/txinfo-tex-dist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/txinfo-unrecognized-extension.sh b/t/txinfo-unrecognized-extension.sh
index 30d36cdf6..d843cdb75 100644
--- a/t/txinfo-unrecognized-extension.sh
+++ b/t/txinfo-unrecognized-extension.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/txinfo-unrecognized-info-suffix.sh b/t/txinfo-unrecognized-info-suffix.sh
index dd5d6ef88..92b98a1bf 100644
--- a/t/txinfo-unrecognized-info-suffix.sh
+++ b/t/txinfo-unrecognized-info-suffix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/txinfo-vtexi.sh b/t/txinfo-vtexi.sh
index 9a553c847..d311894a0 100644
--- a/t/txinfo-vtexi.sh
+++ b/t/txinfo-vtexi.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/txinfo-vtexi2.sh b/t/txinfo-vtexi2.sh
index bba7679b3..31afb9b58 100644
--- a/t/txinfo-vtexi2.sh
+++ b/t/txinfo-vtexi2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/txinfo-vtexi3.sh b/t/txinfo-vtexi3.sh
index 4e3407320..254c5ea2b 100644
--- a/t/txinfo-vtexi3.sh
+++ b/t/txinfo-vtexi3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/txinfo-vtexi4.sh b/t/txinfo-vtexi4.sh
index 4ebedfaa9..945570acd 100644
--- a/t/txinfo-vtexi4.sh
+++ b/t/txinfo-vtexi4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/txinfo-without-info-suffix.sh b/t/txinfo-without-info-suffix.sh
index fb67e5d5f..a57606c90 100644
--- a/t/txinfo-without-info-suffix.sh
+++ b/t/txinfo-without-info-suffix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/txinfo19.sh b/t/txinfo19.sh
index 67236a1bf..9fcb931ab 100644
--- a/t/txinfo19.sh
+++ b/t/txinfo19.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo23.sh b/t/txinfo23.sh
index 0ee335f69..2e42bbf3e 100644
--- a/t/txinfo23.sh
+++ b/t/txinfo23.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/txinfo24.sh b/t/txinfo24.sh
index c139db521..ad85fa320 100644
--- a/t/txinfo24.sh
+++ b/t/txinfo24.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/txinfo25.sh b/t/txinfo25.sh
index 6205f95e2..1f5945533 100644
--- a/t/txinfo25.sh
+++ b/t/txinfo25.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# 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/t/txinfo28.sh b/t/txinfo28.sh
index 8a409dc32..531a85f56 100644
--- a/t/txinfo28.sh
+++ b/t/txinfo28.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/uninstall-fail.sh b/t/uninstall-fail.sh
index d09ad7b35..a1a365d90 100644
--- a/t/uninstall-fail.sh
+++ b/t/uninstall-fail.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/uninstall-pr9578.sh b/t/uninstall-pr9578.sh
index 95fa025c7..41f1e40de 100644
--- a/t/uninstall-pr9578.sh
+++ b/t/uninstall-pr9578.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/unused.sh b/t/unused.sh
index 386280483..84c5effe6 100644
--- a/t/unused.sh
+++ b/t/unused.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/upc.sh b/t/upc.sh
index 16695eb63..bac8879f0 100644
--- a/t/upc.sh
+++ b/t/upc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/upc2.sh b/t/upc2.sh
index 92afae66c..c4c7df753 100644
--- a/t/upc2.sh
+++ b/t/upc2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/upc3.sh b/t/upc3.sh
index 87b0de158..64626084f 100644
--- a/t/upc3.sh
+++ b/t/upc3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2006-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2023 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/t/vala-configure.sh b/t/vala-configure.sh
index abc84794c..7d2c7b3ca 100644
--- a/t/vala-configure.sh
+++ b/t/vala-configure.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 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/t/vala-grepping.sh b/t/vala-grepping.sh
index 95bc6477c..9b14d60a5 100644
--- a/t/vala-grepping.sh
+++ b/t/vala-grepping.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/vala-headers.sh b/t/vala-headers.sh
index f859059b0..b69940734 100644
--- a/t/vala-headers.sh
+++ b/t/vala-headers.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/vala-libs-distcheck.sh b/t/vala-libs-distcheck.sh
index b9336912a..8066ca5fd 100644
--- a/t/vala-libs-distcheck.sh
+++ b/t/vala-libs-distcheck.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-libs-vpath.sh b/t/vala-libs-vpath.sh
index f0b2486f2..e859858f2 100644
--- a/t/vala-libs-vpath.sh
+++ b/t/vala-libs-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-libs.sh b/t/vala-libs.sh
index 425c31d94..f4cbe4601 100644
--- a/t/vala-libs.sh
+++ b/t/vala-libs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-mix.sh b/t/vala-mix.sh
index 33d204f71..ff8750fd6 100644
--- a/t/vala-mix.sh
+++ b/t/vala-mix.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-mix2.sh b/t/vala-mix2.sh
index 3c4f3784d..0c6908a6c 100644
--- a/t/vala-mix2.sh
+++ b/t/vala-mix2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-non-recursive-setup.sh b/t/vala-non-recursive-setup.sh
index 32588c160..9d40ec729 100644
--- a/t/vala-non-recursive-setup.sh
+++ b/t/vala-non-recursive-setup.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/vala-parallel.sh b/t/vala-parallel.sh
index ddaec615a..86b26629d 100644
--- a/t/vala-parallel.sh
+++ b/t/vala-parallel.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-per-target-flags.sh b/t/vala-per-target-flags.sh
index 9c475edb1..292b0976e 100644
--- a/t/vala-per-target-flags.sh
+++ b/t/vala-per-target-flags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/vala-recursive-setup.sh b/t/vala-recursive-setup.sh
index cb040df95..878ff747c 100644
--- a/t/vala-recursive-setup.sh
+++ b/t/vala-recursive-setup.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/vala-vapi.sh b/t/vala-vapi.sh
index 45f4b6a56..c74928cae 100644
--- a/t/vala-vapi.sh
+++ b/t/vala-vapi.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+# Copyright (C) 2012-2023 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/t/vala-vpath.sh b/t/vala-vpath.sh
index 2a18b47af..2c7bc81b8 100644
--- a/t/vala-vpath.sh
+++ b/t/vala-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/var-recurs.sh b/t/var-recurs.sh
index 1fe2f67ec..4e5628882 100644
--- a/t/var-recurs.sh
+++ b/t/var-recurs.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/var-recurs2.sh b/t/var-recurs2.sh
index 702bc612e..6623a38cf 100644
--- a/t/var-recurs2.sh
+++ b/t/var-recurs2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/vars.sh b/t/vars.sh
index 367a3cba1..ed8f2d1c0 100644
--- a/t/vars.sh
+++ b/t/vars.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/vars3.sh b/t/vars3.sh
index f65458be3..ae89a6869 100644
--- a/t/vars3.sh
+++ b/t/vars3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/vartar.sh b/t/vartar.sh
index 3be151895..54deb24b8 100644
--- a/t/vartar.sh
+++ b/t/vartar.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/vartypo2.sh b/t/vartypo2.sh
index e76da9a3f..a606ba4e8 100644
--- a/t/vartypo2.sh
+++ b/t/vartypo2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/vartypos.sh b/t/vartypos.sh
index 132dfb637..d37768c54 100644
--- a/t/vartypos.sh
+++ b/t/vartypos.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/version3.sh b/t/version3.sh
index 7d24215ad..9c70c746f 100644
--- a/t/version3.sh
+++ b/t/version3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/version4.sh b/t/version4.sh
index cc0473c41..afd2397e2 100644
--- a/t/version4.sh
+++ b/t/version4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/version6.sh b/t/version6.sh
index 94431199b..cb1f58d6a 100644
--- a/t/version6.sh
+++ b/t/version6.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/version7.sh b/t/version7.sh
index 85a8f28ce..642edfbb9 100644
--- a/t/version7.sh
+++ b/t/version7.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/version8.sh b/t/version8.sh
index 710f0132e..b881e4f7a 100644
--- a/t/version8.sh
+++ b/t/version8.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2005-2022 Free Software Foundation, Inc.
+# Copyright (C) 2005-2023 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/t/vpath.sh b/t/vpath.sh
index ba4f0ef79..f0a151d19 100644
--- a/t/vpath.sh
+++ b/t/vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/warning-groups-win-over-strictness.sh b/t/warning-groups-win-over-strictness.sh
index 1c73910b5..0ebb8dadb 100644
--- a/t/warning-groups-win-over-strictness.sh
+++ b/t/warning-groups-win-over-strictness.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-obsolete-default.sh b/t/warnings-obsolete-default.sh
index b048be707..40edf6671 100644
--- a/t/warnings-obsolete-default.sh
+++ b/t/warnings-obsolete-default.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-override.sh b/t/warnings-override.sh
index 7c7e6df08..bc8ccdcd4 100644
--- a/t/warnings-override.sh
+++ b/t/warnings-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-precedence.sh b/t/warnings-precedence.sh
index 1cf59eea4..0af2b646b 100644
--- a/t/warnings-precedence.sh
+++ b/t/warnings-precedence.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-strictness-interactions.sh b/t/warnings-strictness-interactions.sh
index 8ec08b33d..a575a7040 100644
--- a/t/warnings-strictness-interactions.sh
+++ b/t/warnings-strictness-interactions.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-unknown.sh b/t/warnings-unknown.sh
index 1ccf73d63..17a8abb6e 100644
--- a/t/warnings-unknown.sh
+++ b/t/warnings-unknown.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnings-win-over-strictness.sh b/t/warnings-win-over-strictness.sh
index 154833520..02f252fa8 100644
--- a/t/warnings-win-over-strictness.sh
+++ b/t/warnings-win-over-strictness.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/warnopts.sh b/t/warnopts.sh
index f12d14521..4afe1c2f8 100644
--- a/t/warnopts.sh
+++ b/t/warnopts.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/werror.sh b/t/werror.sh
index e2cf5c443..7b109c969 100644
--- a/t/werror.sh
+++ b/t/werror.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/werror2.sh b/t/werror2.sh
index 10b070c69..110a7940b 100644
--- a/t/werror2.sh
+++ b/t/werror2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2004-2022 Free Software Foundation, Inc.
+# Copyright (C) 2004-2023 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/t/werror3.sh b/t/werror3.sh
index 35d48ca5a..48b8fce6f 100644
--- a/t/werror3.sh
+++ b/t/werror3.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/werror4.sh b/t/werror4.sh
index c10e443dc..68394e9bd 100644
--- a/t/werror4.sh
+++ b/t/werror4.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/whoami.sh b/t/whoami.sh
index 0df767c65..af8ce5fe3 100644
--- a/t/whoami.sh
+++ b/t/whoami.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+# Copyright (C) 1998-2023 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/t/xsource.sh b/t/xsource.sh
index ca86c7e7c..33c197093 100644
--- a/t/xsource.sh
+++ b/t/xsource.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/yacc-auxdir.sh b/t/yacc-auxdir.sh
index b89ad5270..be8ac4fd4 100644
--- a/t/yacc-auxdir.sh
+++ b/t/yacc-auxdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-basic.sh b/t/yacc-basic.sh
index 5b258a30c..b7a35bd39 100644
--- a/t/yacc-basic.sh
+++ b/t/yacc-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/yacc-bison-skeleton-cxx.sh b/t/yacc-bison-skeleton-cxx.sh
index a38360144..bded1a34f 100644
--- a/t/yacc-bison-skeleton-cxx.sh
+++ b/t/yacc-bison-skeleton-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-bison-skeleton.sh b/t/yacc-bison-skeleton.sh
index 45f527c52..b77b29f1e 100644
--- a/t/yacc-bison-skeleton.sh
+++ b/t/yacc-bison-skeleton.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-clean-cxx.sh b/t/yacc-clean-cxx.sh
index 93c29a241..d12e02308 100644
--- a/t/yacc-clean-cxx.sh
+++ b/t/yacc-clean-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-clean.sh b/t/yacc-clean.sh
index 373774b6a..0baf0afd8 100644
--- a/t/yacc-clean.sh
+++ b/t/yacc-clean.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-cxx-grepping.sh b/t/yacc-cxx-grepping.sh
index f6d1f6f85..7b3a6bc5e 100644
--- a/t/yacc-cxx-grepping.sh
+++ b/t/yacc-cxx-grepping.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+# Copyright (C) 1997-2023 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/t/yacc-cxx.sh b/t/yacc-cxx.sh
index 33e73cbc0..1bf75a975 100644
--- a/t/yacc-cxx.sh
+++ b/t/yacc-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-d-basic.sh b/t/yacc-d-basic.sh
index 3fc5ebeb2..fe80a0888 100644
--- a/t/yacc-d-basic.sh
+++ b/t/yacc-d-basic.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-d-cxx.sh b/t/yacc-d-cxx.sh
index b6390a67a..56f43c940 100644
--- a/t/yacc-d-cxx.sh
+++ b/t/yacc-d-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-d-vpath.sh b/t/yacc-d-vpath.sh
index 4b747955f..dced4818f 100644
--- a/t/yacc-d-vpath.sh
+++ b/t/yacc-d-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-deleted-headers.sh b/t/yacc-deleted-headers.sh
index 1684ffb84..c3fdbeee4 100644
--- a/t/yacc-deleted-headers.sh
+++ b/t/yacc-deleted-headers.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-depend.sh b/t/yacc-depend.sh
index b01813f0a..cf544359f 100644
--- a/t/yacc-depend.sh
+++ b/t/yacc-depend.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-depend2.sh b/t/yacc-depend2.sh
index cd2af2380..a61e4957d 100644
--- a/t/yacc-depend2.sh
+++ b/t/yacc-depend2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-dist-nobuild-subdir.sh b/t/yacc-dist-nobuild-subdir.sh
index 5b817f308..d1788811f 100644
--- a/t/yacc-dist-nobuild-subdir.sh
+++ b/t/yacc-dist-nobuild-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-dist-nobuild.sh b/t/yacc-dist-nobuild.sh
index 2200a0c47..a30fefec2 100644
--- a/t/yacc-dist-nobuild.sh
+++ b/t/yacc-dist-nobuild.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-dry.sh b/t/yacc-dry.sh
index bc57ceff1..9b08d3863 100644
--- a/t/yacc-dry.sh
+++ b/t/yacc-dry.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/yacc-grepping.sh b/t/yacc-grepping.sh
index bad47caab..b0cf91353 100644
--- a/t/yacc-grepping.sh
+++ b/t/yacc-grepping.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 1996-2022 Free Software Foundation, Inc.
+# Copyright (C) 1996-2023 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/t/yacc-grepping2.sh b/t/yacc-grepping2.sh
index 0ccd95eba..159dd3e15 100644
--- a/t/yacc-grepping2.sh
+++ b/t/yacc-grepping2.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-headers-and-dist-pr47.sh b/t/yacc-headers-and-dist-pr47.sh
index 9e7a49601..57c8251ad 100644
--- a/t/yacc-headers-and-dist-pr47.sh
+++ b/t/yacc-headers-and-dist-pr47.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-line.sh b/t/yacc-line.sh
index 79be9d05b..e7a4d6244 100644
--- a/t/yacc-line.sh
+++ b/t/yacc-line.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-misc.sh b/t/yacc-misc.sh
index 6bd7703f3..2bfb0c55e 100644
--- a/t/yacc-misc.sh
+++ b/t/yacc-misc.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-mix-c-cxx.sh b/t/yacc-mix-c-cxx.sh
index 475a8e9f5..a73935c39 100644
--- a/t/yacc-mix-c-cxx.sh
+++ b/t/yacc-mix-c-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-nodist.sh b/t/yacc-nodist.sh
index d350a80f9..dbb86bdb2 100644
--- a/t/yacc-nodist.sh
+++ b/t/yacc-nodist.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yacc-pr204.sh b/t/yacc-pr204.sh
index 8e1bb12be..91882e4d7 100644
--- a/t/yacc-pr204.sh
+++ b/t/yacc-pr204.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/yacc-subdir.sh b/t/yacc-subdir.sh
index 5f884ec10..df31a3c51 100644
--- a/t/yacc-subdir.sh
+++ b/t/yacc-subdir.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 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/t/yacc-vpath.sh b/t/yacc-vpath.sh
index a6a4b2d14..52d2c45bd 100644
--- a/t/yacc-vpath.sh
+++ b/t/yacc-vpath.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2001-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2023 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/t/yacc-weirdnames.sh b/t/yacc-weirdnames.sh
index 4946ebd32..60f199d2d 100644
--- a/t/yacc-weirdnames.sh
+++ b/t/yacc-weirdnames.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-cmdline-override.sh b/t/yflags-cmdline-override.sh
index 917d101e9..37304645c 100644
--- a/t/yflags-cmdline-override.sh
+++ b/t/yflags-cmdline-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-conditional.sh b/t/yflags-conditional.sh
index 2d79280ca..6b490a2c4 100644
--- a/t/yflags-conditional.sh
+++ b/t/yflags-conditional.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-cxx.sh b/t/yflags-cxx.sh
index 5b31ffc65..9bd28b8ce 100644
--- a/t/yflags-cxx.sh
+++ b/t/yflags-cxx.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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/t/yflags-d-false-positives.sh b/t/yflags-d-false-positives.sh
index 397701ca3..21efb2345 100644
--- a/t/yflags-d-false-positives.sh
+++ b/t/yflags-d-false-positives.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-force-conditional.sh b/t/yflags-force-conditional.sh
index 75eec8b5e..3f9a13293 100644
--- a/t/yflags-force-conditional.sh
+++ b/t/yflags-force-conditional.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-force-override.sh b/t/yflags-force-override.sh
index 67838f80c..b1c36ef0f 100644
--- a/t/yflags-force-override.sh
+++ b/t/yflags-force-override.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags-var-expand.sh b/t/yflags-var-expand.sh
index f68da120b..0e06e0d9c 100644
--- a/t/yflags-var-expand.sh
+++ b/t/yflags-var-expand.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+# Copyright (C) 2011-2023 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/t/yflags.sh b/t/yflags.sh
index 1fb0ae39b..1f73776f8 100644
--- a/t/yflags.sh
+++ b/t/yflags.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 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