Merge from origin/emacs-29

cae528457c ; Add 2023 to copyright years. b394359261 Improve documentation of 'isearch-open-overlay-temporary' ab3210e709 Document 'use-package' in the 2 main manuals # Conflicts: # etc/refcards/ru-refcard.tex # lib/explicit_bzero.c # m4/explicit_bzero.m4
author: Eli Zaretskii 2023-01-01 05:47:47 -0500
committer: Eli Zaretskii 2023-01-01 05:47:47 -0500
commit: 3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2 (patch)
tree: bc5715fea2ff0ae8830afdee165dcaa22344f159 /test
parent: df192b5153f9d0c9b371f28f6460a038cba8a987 (diff)
parent: cae528457cb862dc886a34240c9d4c73035b6659 (diff)
download: emacs-3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2.tar.gz
emacs-3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2.zip
551 files changed, 570 insertions, 550 deletions
diff --git a/test/ChangeLog.1 b/test/ChangeLog.1
index 328609038a7..2c412a64519 100644
--- a/test/ChangeLog.1
+++ b/test/ChangeLog.1
@@ -2952,7 +2952,7 @@
 ;; coding: utf-8
 ;; End:
-  Copyright (C) 2008-2022 Free Software Foundation, Inc.
+  Copyright (C) 2008-2023 Free Software Foundation, Inc.
  This file is part of GNU Emacs.
diff --git a/test/Makefile.in b/test/Makefile.in
index 1fa9d5f7d9d..fd21695f5bc 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
diff --git a/test/README b/test/README
index eb6314c74d6..9255dbed513 100644
--- a/test/README
+++ b/test/README
@@ -1,4 +1,4 @@
-Copyright (C) 2008-2022 Free Software Foundation, Inc.
+Copyright (C) 2008-2023 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 This directory contains files intended to test various aspects of
diff --git a/test/infra/Dockerfile.emba b/test/infra/Dockerfile.emba
index d9d963bcfd5..c005d872cb8 100644
--- a/test/infra/Dockerfile.emba
+++ b/test/infra/Dockerfile.emba
@@ -1,4 +1,4 @@
-# Copyright (C) 2021-2022 Free Software Foundation, Inc.
+# Copyright (C) 2021-2023 Free Software Foundation, Inc.
 #
 #  This file is part of GNU Emacs.
 #
diff --git a/test/infra/Makefile.in b/test/infra/Makefile.in
index c251578e6a7..c6538c093c0 100644
--- a/test/infra/Makefile.in
+++ b/test/infra/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
-# Copyright (C) 2021-2022 Free Software Foundation, Inc.
+# Copyright (C) 2021-2023 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
diff --git a/test/infra/gitlab-ci.yml b/test/infra/gitlab-ci.yml
index 96fe9e3a1c3..1c1452dcda5 100644
--- a/test/infra/gitlab-ci.yml
+++ b/test/infra/gitlab-ci.yml
@@ -1,4 +1,4 @@
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 Free Software Foundation, Inc.
 #
 #  This file is part of GNU Emacs.
 #
diff --git a/test/lib-src/emacsclient-tests.el b/test/lib-src/emacsclient-tests.el
index 0fa3c6facf1..8e44f4fe4bf 100644
--- a/test/lib-src/emacsclient-tests.el
+++ b/test/lib-src/emacsclient-tests.el
@@ -1,6 +1,6 @@
 ;;; emacsclient-tests.el --- Test emacsclient  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/abbrev-tests.el b/test/lisp/abbrev-tests.el
index 947178473e4..ecca21df4bc 100644
--- a/test/lisp/abbrev-tests.el
+++ b/test/lisp/abbrev-tests.el
@@ -1,6 +1,6 @@
 ;;; abbrev-tests.el --- Test suite for abbrevs  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Eli Zaretskii <eliz@gnu.org>
 ;; Keywords: abbrevs
diff --git a/test/lisp/align-tests.el b/test/lisp/align-tests.el
index 5b964fc5c0f..62ef9cf27fa 100644
--- a/test/lisp/align-tests.el
+++ b/test/lisp/align-tests.el
@@ -1,6 +1,6 @@
 ;;; align-tests.el --- Test suite for aligns  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/allout-tests.el b/test/lisp/allout-tests.el
index 4c3fd9c5dc6..9b70f86c09a 100644
--- a/test/lisp/allout-tests.el
+++ b/test/lisp/allout-tests.el
@@ -1,6 +1,6 @@
 ;;; allout-tests.el --- Tests for allout.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/allout-widgets-tests.el b/test/lisp/allout-widgets-tests.el
index c6616922be9..67b796d69c5 100644
--- a/test/lisp/allout-widgets-tests.el
+++ b/test/lisp/allout-widgets-tests.el
@@ -1,6 +1,6 @@
 ;;; allout-widgets-tests.el --- Tests for allout-widgets.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/ansi-color-tests.el b/test/lisp/ansi-color-tests.el
index f672f334914..996a0512814 100644
--- a/test/lisp/ansi-color-tests.el
+++ b/test/lisp/ansi-color-tests.el
@@ -1,6 +1,6 @@
 ;;; ansi-color-tests.el --- Test suite for ansi-color  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Pablo Barbáchano <pablob@amazon.com>
diff --git a/test/lisp/ansi-osc-tests.el b/test/lisp/ansi-osc-tests.el
index b3d66fb036c..616ea0d0d34 100644
--- a/test/lisp/ansi-osc-tests.el
+++ b/test/lisp/ansi-osc-tests.el
@@ -1,6 +1,6 @@
 ;;; osc-tests.el --- Tests for osc.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Matthias Meulien <orontee@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/apropos-tests.el b/test/lisp/apropos-tests.el
index 917c08b9114..c899087634b 100644
--- a/test/lisp/apropos-tests.el
+++ b/test/lisp/apropos-tests.el
@@ -1,6 +1,6 @@
 ;;; apropos-tests.el --- Tests for apropos.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/arc-mode-tests.el b/test/lisp/arc-mode-tests.el
index 341a835039e..32bce1b71bd 100644
--- a/test/lisp/arc-mode-tests.el
+++ b/test/lisp/arc-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; arc-mode-tests.el --- Test suite for arc-mode. -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/auth-source-pass-tests.el b/test/lisp/auth-source-pass-tests.el
index d6d42ce942e..ed14289bade 100644
--- a/test/lisp/auth-source-pass-tests.el
+++ b/test/lisp/auth-source-pass-tests.el
@@ -1,6 +1,6 @@
 ;;; auth-source-pass-tests.el --- Tests for auth-source-pass.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013, 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013, 2017-2023 Free Software Foundation, Inc.
 ;; Author: Damien Cassou <damien.cassou@gmail.com>
diff --git a/test/lisp/auth-source-tests.el b/test/lisp/auth-source-tests.el
index a76e4fb0d2e..6f832725754 100644
--- a/test/lisp/auth-source-tests.el
+++ b/test/lisp/auth-source-tests.el
@@ -1,6 +1,6 @@
 ;;; auth-source-tests.el --- Tests for auth-source.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Damien Cassou <damien@cassou.me>,
 ;;         Nicolas Petton <nicolas@petton.fr>
diff --git a/test/lisp/autoinsert-tests.el b/test/lisp/autoinsert-tests.el
index 722215cb7e4..fc4e2bdab5b 100644
--- a/test/lisp/autoinsert-tests.el
+++ b/test/lisp/autoinsert-tests.el
@@ -1,6 +1,6 @@
 ;;; autoinsert-tests.el --- Tests for autoinsert.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/autorevert-tests.el b/test/lisp/autorevert-tests.el
index 568820ec42c..8dbb5d2a496 100644
--- a/test/lisp/autorevert-tests.el
+++ b/test/lisp/autorevert-tests.el
@@ -1,6 +1,6 @@
 ;;; autorevert-tests.el --- Tests of auto-revert   -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/battery-tests.el b/test/lisp/battery-tests.el
index 1f9cfaee01f..e8fa1a6d017 100644
--- a/test/lisp/battery-tests.el
+++ b/test/lisp/battery-tests.el
@@ -1,6 +1,6 @@
 ;;; battery-tests.el --- tests for battery.el -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/bookmark-tests.el b/test/lisp/bookmark-tests.el
index 3bea08bc37a..12a9f24e66e 100644
--- a/test/lisp/bookmark-tests.el
+++ b/test/lisp/bookmark-tests.el
@@ -1,6 +1,6 @@
 ;;; bookmark-tests.el --- Tests for bookmark.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/buff-menu-tests.el b/test/lisp/buff-menu-tests.el
index 8e7981e6999..b3a54093c54 100644
--- a/test/lisp/buff-menu-tests.el
+++ b/test/lisp/buff-menu-tests.el
@@ -1,6 +1,6 @@
 ;;; buff-menu-tests.el --- Test suite for buff-menu.el -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
diff --git a/test/lisp/button-tests.el b/test/lisp/button-tests.el
index 99d1ee3de46..46371b01f3f 100644
--- a/test/lisp/button-tests.el
+++ b/test/lisp/button-tests.el
@@ -1,6 +1,6 @@
 ;;; button-tests.el --- tests for button.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calc/calc-tests.el b/test/lisp/calc/calc-tests.el
index cd984f7ff7e..41c47e5332c 100644
--- a/test/lisp/calc/calc-tests.el
+++ b/test/lisp/calc/calc-tests.el
@@ -1,6 +1,6 @@
 ;;; calc-tests.el --- tests for calc                 -*- lexical-binding: t; -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Leo Liu <sdl.web@gmail.com>
 ;; Keywords: maint
diff --git a/test/lisp/calculator-tests.el b/test/lisp/calculator-tests.el
index c1a1942cf7c..7ac3b9ba37a 100644
--- a/test/lisp/calculator-tests.el
+++ b/test/lisp/calculator-tests.el
@@ -1,6 +1,6 @@
 ;;; calculator-tests.el --- Test suite for calculator. -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calendar/cal-french-tests.el b/test/lisp/calendar/cal-french-tests.el
index 771681228e6..aad0eae5514 100644
--- a/test/lisp/calendar/cal-french-tests.el
+++ b/test/lisp/calendar/cal-french-tests.el
@@ -1,6 +1,6 @@
 ;;; cal-french-tests.el --- tests for cal-french.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calendar/cal-julian-tests.el b/test/lisp/calendar/cal-julian-tests.el
index 46d49c68c1e..e0d74e8a6cd 100644
--- a/test/lisp/calendar/cal-julian-tests.el
+++ b/test/lisp/calendar/cal-julian-tests.el
@@ -1,6 +1,6 @@
 ;;; cal-julian-tests.el --- tests for calendar/cal-julian.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/calendar/icalendar-tests.el b/test/lisp/calendar/icalendar-tests.el
index baf4846c8f5..27076f5ce1f 100644
--- a/test/lisp/calendar/icalendar-tests.el
+++ b/test/lisp/calendar/icalendar-tests.el
@@ -1,6 +1,6 @@
 ;;; icalendar-tests.el --- Test suite for icalendar.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2005, 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2005, 2008-2023 Free Software Foundation, Inc.
 ;; Author:         Ulf Jasper <ulf.jasper@web.de>
 ;; Created:        March 2005
diff --git a/test/lisp/calendar/iso8601-tests.el b/test/lisp/calendar/iso8601-tests.el
index f64c498c027..f68ea2a4e4d 100644
--- a/test/lisp/calendar/iso8601-tests.el
+++ b/test/lisp/calendar/iso8601-tests.el
@@ -1,6 +1,6 @@
 ;;; iso8601-tests.el --- tests for calendar/iso8601.el    -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calendar/lunar-tests.el b/test/lisp/calendar/lunar-tests.el
index 846a749eb5f..0d66403e3b6 100644
--- a/test/lisp/calendar/lunar-tests.el
+++ b/test/lisp/calendar/lunar-tests.el
@@ -1,6 +1,6 @@
 ;;; lunar-tests.el --- tests for calendar/lunar.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/calendar/parse-time-tests.el b/test/lisp/calendar/parse-time-tests.el
index 3fd53c6c1eb..95f1b83d851 100644
--- a/test/lisp/calendar/parse-time-tests.el
+++ b/test/lisp/calendar/parse-time-tests.el
@@ -1,6 +1,6 @@
 ;;; parse-time-tests.el --- Test suite for parse-time.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/lisp/calendar/solar-tests.el b/test/lisp/calendar/solar-tests.el
index 9f79fed7c7b..1f1ad0578f6 100644
--- a/test/lisp/calendar/solar-tests.el
+++ b/test/lisp/calendar/solar-tests.el
@@ -1,6 +1,6 @@
 ;;; solar-tests.el --- tests for solar.el            -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calendar/time-date-tests.el b/test/lisp/calendar/time-date-tests.el
index fd4d5ac8a1b..53afd372057 100644
--- a/test/lisp/calendar/time-date-tests.el
+++ b/test/lisp/calendar/time-date-tests.el
@@ -1,6 +1,6 @@
 ;;; time-date-tests.el --- tests for calendar/time-date.el    -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/calendar/todo-mode-tests.el b/test/lisp/calendar/todo-mode-tests.el
index 95855d1e639..8d4ea69e9eb 100644
--- a/test/lisp/calendar/todo-mode-tests.el
+++ b/test/lisp/calendar/todo-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; todo-mode-tests.el --- tests for todo-mode.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Stephen Berman <stephen.berman@gmx.net>
 ;; Keywords: calendar
diff --git a/test/lisp/cedet/cedet-files-tests.el b/test/lisp/cedet/cedet-files-tests.el
index daaf3edfc4e..751101065ba 100644
--- a/test/lisp/cedet/cedet-files-tests.el
+++ b/test/lisp/cedet/cedet-files-tests.el
@@ -1,6 +1,6 @@
 ;;; cedet-files-tests.el --- Tests for cedet-files.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-c.el b/test/lisp/cedet/semantic-utest-c.el
index 87d754968f9..2569c1c9478 100644
--- a/test/lisp/cedet/semantic-utest-c.el
+++ b/test/lisp/cedet/semantic-utest-c.el
@@ -1,6 +1,6 @@
 ;;; semantic-utest-c.el --- C based parsing tests.  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/test.srt b/test/lisp/cedet/semantic-utest-ia-resources/test.srt
index 46f14d8480f..b1094ffb52f 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/test.srt
+++ b/test/lisp/cedet/semantic-utest-ia-resources/test.srt
@@ -1,6 +1,6 @@
 ;; test.srt --- unit test support file for semantic-utest-ia
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.cpp
index 54941fa974a..e192c4f7f83 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.cpp
@@ -1,6 +1,6 @@
 // testdoublens.cpp --- semantic-ia-utest completion engine unit tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.hpp b/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.hpp
index 6157af42121..5c55a0fc6f0 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.hpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testdoublens.hpp
@@ -1,6 +1,6 @@
 // testdoublens.hpp --- Header file used in one of the Semantic tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testjavacomp.java b/test/lisp/cedet/semantic-utest-ia-resources/testjavacomp.java
index 10735a5aa97..639ed95e9da 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testjavacomp.java
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testjavacomp.java
@@ -1,6 +1,6 @@
 //  testjavacomp.java --- Semantic unit test for Java
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //  Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testlocalvars.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testlocalvars.cpp
index 920022648f7..fbe20dade9c 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testlocalvars.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testlocalvars.cpp
@@ -1,6 +1,6 @@
 //  testlocalvars.java --- Semantic unit test for Java
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //  Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testnsp.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testnsp.cpp
index 05f8f54afd0..e88bd37c808 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testnsp.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testnsp.cpp
@@ -1,6 +1,6 @@
 /* testnsp.cpp --- semantic-ia-utest completion engine unit tests
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testsppcomplete.c b/test/lisp/cedet/semantic-utest-ia-resources/testsppcomplete.c
index 1d2c51e3652..2458bf433aa 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testsppcomplete.c
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testsppcomplete.c
@@ -1,6 +1,6 @@
 /* testesppcomplete.cpp --- semantic-ia-utest completion engine unit tests
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/teststruct.cpp b/test/lisp/cedet/semantic-utest-ia-resources/teststruct.cpp
index f5b6d641842..894f53754ea 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/teststruct.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/teststruct.cpp
@@ -1,6 +1,6 @@
 // teststruct.cpp --- semantic-ia-utest completion engine unit tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.cpp
index 4c56d34c90d..a507f1bf418 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.cpp
@@ -1,6 +1,6 @@
 // testsubclass.cpp --- unit test for analyzer and complex C++ inheritance
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.hh b/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.hh
index 870da66aded..a6c31ac8fab 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.hh
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testsubclass.hh
@@ -1,6 +1,6 @@
 // testsubclass.hh --- unit test for analyzer and complex C++ inheritance
-// Copyright (C) 2007-2022 Free Software Foundation, Inc.
+// Copyright (C) 2007-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testtemplates.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testtemplates.cpp
index d2b0f5d3c37..f4c48edd562 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testtemplates.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testtemplates.cpp
@@ -1,6 +1,6 @@
 // testtemplates.cpp --- semantic-ia-utest completion engine unit tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testtypedefs.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testtypedefs.cpp
index 09ab78942e6..13f0f288212 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testtypedefs.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testtypedefs.cpp
@@ -1,6 +1,6 @@
 // testtypedefs.cpp --- Sample with some fake bits out of std::string
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testusing.cpp b/test/lisp/cedet/semantic-utest-ia-resources/testusing.cpp
index 661c09b01bb..940e7caa0cf 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testusing.cpp
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testusing.cpp
@@ -1,6 +1,6 @@
 // testusing.cpp --- semantic-ia-utest completion engine unit tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testusing.hh b/test/lisp/cedet/semantic-utest-ia-resources/testusing.hh
index e438e62e294..1effa00686d 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testusing.hh
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testusing.hh
@@ -1,6 +1,6 @@
 // testusing.hh --- semantic-ia-utest completion engine unit tests
-// Copyright (C) 2008-2022 Free Software Foundation, Inc.
+// Copyright (C) 2008-2023 Free Software Foundation, Inc.
 // Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.c b/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.c
index 00c877a182d..f8202296385 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.c
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.c
@@ -1,6 +1,6 @@
 /* testvarnames.cpp --- semantic-ia-utest completion engine unit tests
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.java b/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.java
index 323e2059c40..8934bb8d97d 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.java
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testvarnames.java
@@ -1,6 +1,6 @@
 //  testvarnames.java --- Semantic unit test for Java
-// Copyright (C) 2009-2022 Free Software Foundation, Inc.
+// Copyright (C) 2009-2023 Free Software Foundation, Inc.
 //  Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia-resources/testwisent.wy b/test/lisp/cedet/semantic-utest-ia-resources/testwisent.wy
index 901a662e799..e00f2eb102e 100644
--- a/test/lisp/cedet/semantic-utest-ia-resources/testwisent.wy
+++ b/test/lisp/cedet/semantic-utest-ia-resources/testwisent.wy
@@ -1,6 +1,6 @@
 ;; testwisent.wy --- unit test support file for semantic-utest-ia
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest-ia.el b/test/lisp/cedet/semantic-utest-ia.el
index fa3b3185ed5..f2b2dbc5a7d 100644
--- a/test/lisp/cedet/semantic-utest-ia.el
+++ b/test/lisp/cedet/semantic-utest-ia.el
@@ -1,6 +1,6 @@
 ;;; semantic-utest-ia.el --- Analyzer unit tests  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic-utest.el b/test/lisp/cedet/semantic-utest.el
index 4aaa4c5e3c4..f53b7c41005 100644
--- a/test/lisp/cedet/semantic-utest.el
+++ b/test/lisp/cedet/semantic-utest.el
@@ -1,6 +1,6 @@
 ;;; semantic-utest.el --- Tests for semantic's parsing system. -*- lexical-binding:t -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic/bovine/gcc-tests.el b/test/lisp/cedet/semantic/bovine/gcc-tests.el
index 041773a0c80..5437d65d139 100644
--- a/test/lisp/cedet/semantic/bovine/gcc-tests.el
+++ b/test/lisp/cedet/semantic/bovine/gcc-tests.el
@@ -1,6 +1,6 @@
 ;;; gcc-tests.el --- Tests for semantic/bovine/gcc.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic/format-resources/test-fmt.cpp b/test/lisp/cedet/semantic/format-resources/test-fmt.cpp
index 39843a22194..3b04542dcc1 100644
--- a/test/lisp/cedet/semantic/format-resources/test-fmt.cpp
+++ b/test/lisp/cedet/semantic/format-resources/test-fmt.cpp
@@ -1,6 +1,6 @@
 /** test-fmt.cpp --- Signatures, and format answers for testing
 *
- * Copyright (C) 2012, 2016, 2019-2022 Free Software Foundation, Inc.
+ * Copyright (C) 2012, 2016, 2019-2023 Free Software Foundation, Inc.
 *
 * Author: Eric M. Ludlam <zappo@gnu.org>
 *
diff --git a/test/lisp/cedet/semantic/format-resources/test-fmt.el b/test/lisp/cedet/semantic/format-resources/test-fmt.el
index 5fcb8ef3c36..3cef50e2395 100644
--- a/test/lisp/cedet/semantic/format-resources/test-fmt.el
+++ b/test/lisp/cedet/semantic/format-resources/test-fmt.el
@@ -1,6 +1,6 @@
 ;;; test-fmt.el --- test semantic tag formatting  -*- lexical-binding: t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic/format-tests.el b/test/lisp/cedet/semantic/format-tests.el
index f698d865c3c..cc2bcc40ae3 100644
--- a/test/lisp/cedet/semantic/format-tests.el
+++ b/test/lisp/cedet/semantic/format-tests.el
@@ -1,6 +1,6 @@
 ;;; semantic/format-tests.el --- Parsing / Formatting tests -*- lexical-binding:t -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/semantic/fw-tests.el b/test/lisp/cedet/semantic/fw-tests.el
index c8bfffb3cf5..6da2632aa39 100644
--- a/test/lisp/cedet/semantic/fw-tests.el
+++ b/test/lisp/cedet/semantic/fw-tests.el
@@ -1,6 +1,6 @@
 ;;; fw-tests.el --- Tests for semantic/fw.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/srecode-utest-getset.el b/test/lisp/cedet/srecode-utest-getset.el
index fbcb0ad4cf1..c3c1e41c3d2 100644
--- a/test/lisp/cedet/srecode-utest-getset.el
+++ b/test/lisp/cedet/srecode-utest-getset.el
@@ -1,6 +1,6 @@
 ;;; srecode/test-getset.el --- Test the getset inserter. -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2009, 2011, 2019-2022 Free Software Foundation,
+;; Copyright (C) 2008-2009, 2011, 2019-2023 Free Software Foundation,
 ;; Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/cedet/srecode-utest-template.el b/test/lisp/cedet/srecode-utest-template.el
index 87c28c6af12..a43ea43ba30 100644
--- a/test/lisp/cedet/srecode-utest-template.el
+++ b/test/lisp/cedet/srecode-utest-template.el
@@ -1,6 +1,6 @@
 ;;; srecode-utest-template.el --- SRecode Core Template tests. -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/cedet/srecode/document-tests.el b/test/lisp/cedet/srecode/document-tests.el
index 5341bb09366..b5f7f83e0cb 100644
--- a/test/lisp/cedet/srecode/document-tests.el
+++ b/test/lisp/cedet/srecode/document-tests.el
@@ -1,6 +1,6 @@
 ;;; document-tests.el --- Tests for srecode/document.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/cedet/srecode/fields-tests.el b/test/lisp/cedet/srecode/fields-tests.el
index c9e0d4601b9..21c2b329120 100644
--- a/test/lisp/cedet/srecode/fields-tests.el
+++ b/test/lisp/cedet/srecode/fields-tests.el
@@ -1,6 +1,6 @@
 ;;; srecode/fields-tests.el --- Tests for srecode/fields.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/char-fold-tests.el b/test/lisp/char-fold-tests.el
index e7f5ff6fd2f..6e265a5eb27 100644
--- a/test/lisp/char-fold-tests.el
+++ b/test/lisp/char-fold-tests.el
@@ -1,6 +1,6 @@
 ;;; char-fold-tests.el --- Tests for char-fold.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
diff --git a/test/lisp/color-tests.el b/test/lisp/color-tests.el
index e4e1eda26d3..d47373bf023 100644
--- a/test/lisp/color-tests.el
+++ b/test/lisp/color-tests.el
@@ -1,6 +1,6 @@
 ;;; color-tests.el --- Tests for color.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/comint-tests.el b/test/lisp/comint-tests.el
index ce1a6865b65..6d435908b35 100644
--- a/test/lisp/comint-tests.el
+++ b/test/lisp/comint-tests.el
@@ -1,6 +1,6 @@
 ;;; comint-tests.el --- Tests for comint.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2010-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/completion-tests.el b/test/lisp/completion-tests.el
index dee6f8d5dda..d34691d93ae 100644
--- a/test/lisp/completion-tests.el
+++ b/test/lisp/completion-tests.el
@@ -1,6 +1,6 @@
 ;;; completion-tests.el --- Tests for completion.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/cus-edit-tests.el b/test/lisp/cus-edit-tests.el
index 31ba68b4107..eca35d7c96a 100644
--- a/test/lisp/cus-edit-tests.el
+++ b/test/lisp/cus-edit-tests.el
@@ -1,6 +1,6 @@
 ;;; cus-edit-tests.el --- Tests for cus-edit.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/custom-tests.el b/test/lisp/custom-tests.el
index d1effaa72a8..376a13d5df5 100644
--- a/test/lisp/custom-tests.el
+++ b/test/lisp/custom-tests.el
@@ -1,6 +1,6 @@
 ;;; custom-tests.el --- tests for custom.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dabbrev-tests.el b/test/lisp/dabbrev-tests.el
index 278a59c015c..48677a0b415 100644
--- a/test/lisp/dabbrev-tests.el
+++ b/test/lisp/dabbrev-tests.el
@@ -1,6 +1,6 @@
 ;;; dabbrev-tests.el --- Test suite for dabbrev.  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Alan Third <alan@idiocy.org>
 ;; Keywords: dabbrev
diff --git a/test/lisp/delim-col-tests.el b/test/lisp/delim-col-tests.el
index 2bf54d9b44c..a2721d8cdf8 100644
--- a/test/lisp/delim-col-tests.el
+++ b/test/lisp/delim-col-tests.el
@@ -1,6 +1,6 @@
 ;;; delim-col-tests.el --- Tests for delim-col.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/descr-text-tests.el b/test/lisp/descr-text-tests.el
index e5547d4f6eb..96c5d90e449 100644
--- a/test/lisp/descr-text-tests.el
+++ b/test/lisp/descr-text-tests.el
@@ -1,6 +1,6 @@
 ;;; descr-text-tests.el --- ERT tests for descr-text.el -*- lexical-binding: t -*-
-;; Copyright (C) 2014, 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014, 2016-2023 Free Software Foundation, Inc.
 ;; Author: Michal Nazarewicz <mina86@mina86.com>
diff --git a/test/lisp/desktop-tests.el b/test/lisp/desktop-tests.el
index d52fe39ed96..07f0be6c90e 100644
--- a/test/lisp/desktop-tests.el
+++ b/test/lisp/desktop-tests.el
@@ -1,6 +1,6 @@
 ;;; desktop-tests.el --- Tests for desktop.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020 Free Software Foundation, Inc.
+;; Copyright (C) 2020, 2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dired-aux-tests.el b/test/lisp/dired-aux-tests.el
index e70898ab74e..5939f480680 100644
--- a/test/lisp/dired-aux-tests.el
+++ b/test/lisp/dired-aux-tests.el
@@ -1,6 +1,6 @@
 ;;; dired-aux-tests.el --- Test suite for dired-aux. -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dired-tests.el b/test/lisp/dired-tests.el
index 18b0257e01a..347bdfc0d7b 100644
--- a/test/lisp/dired-tests.el
+++ b/test/lisp/dired-tests.el
@@ -1,6 +1,6 @@
 ;;; dired-tests.el --- Test suite. -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dired-x-tests.el b/test/lisp/dired-x-tests.el
index 7acaa3c1319..b64b115e69f 100644
--- a/test/lisp/dired-x-tests.el
+++ b/test/lisp/dired-x-tests.el
@@ -1,6 +1,6 @@
 ;;; dired-x-tests.el --- Test suite for dired-x. -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dnd-tests.el b/test/lisp/dnd-tests.el
index bdadc0f2801..a603f29eb6d 100644
--- a/test/lisp/dnd-tests.el
+++ b/test/lisp/dnd-tests.el
@@ -1,6 +1,6 @@
 ;;; dnd-tests.el --- Tests for window system independent DND support -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/dom-tests.el b/test/lisp/dom-tests.el
index cb96f12d19d..abb586435a7 100644
--- a/test/lisp/dom-tests.el
+++ b/test/lisp/dom-tests.el
@@ -1,6 +1,6 @@
 ;;; dom-tests.el --- Tests for dom.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/edmacro-tests.el b/test/lisp/edmacro-tests.el
index e386342f6ee..f79529a2000 100644
--- a/test/lisp/edmacro-tests.el
+++ b/test/lisp/edmacro-tests.el
@@ -1,6 +1,6 @@
 ;;; edmacro-tests.el --- Tests for edmacro.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/electric-tests.el b/test/lisp/electric-tests.el
index d34737e6090..c577229c322 100644
--- a/test/lisp/electric-tests.el
+++ b/test/lisp/electric-tests.el
@@ -1,6 +1,6 @@
 ;;; electric-tests.el --- tests for electric.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: João Távora <joaotavora@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/elide-head-tests.el b/test/lisp/elide-head-tests.el
index 3d6e7686935..40a9d365f37 100644
--- a/test/lisp/elide-head-tests.el
+++ b/test/lisp/elide-head-tests.el
@@ -1,6 +1,6 @@
 ;;; elide-head-tests.el --- Tests for elide-head.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
diff --git a/test/lisp/emacs-lisp/backquote-tests.el b/test/lisp/emacs-lisp/backquote-tests.el
index 2ba61726f09..79155cc0450 100644
--- a/test/lisp/emacs-lisp/backquote-tests.el
+++ b/test/lisp/emacs-lisp/backquote-tests.el
@@ -1,6 +1,6 @@
 ;;; backquote-tests.el --- Tests for backquote.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/backtrace-tests.el b/test/lisp/emacs-lisp/backtrace-tests.el
index b42de06776b..794488edae8 100644
--- a/test/lisp/emacs-lisp/backtrace-tests.el
+++ b/test/lisp/emacs-lisp/backtrace-tests.el
@@ -1,6 +1,6 @@
 ;;; backtrace-tests.el --- Tests for backtraces -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell
diff --git a/test/lisp/emacs-lisp/benchmark-tests.el b/test/lisp/emacs-lisp/benchmark-tests.el
index b3c4949acc7..31357f24a0d 100644
--- a/test/lisp/emacs-lisp/benchmark-tests.el
+++ b/test/lisp/emacs-lisp/benchmark-tests.el
@@ -1,6 +1,6 @@
 ;;; benchmark-tests.el --- Test suite for benchmark.  -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/bindat-tests.el b/test/lisp/emacs-lisp/bindat-tests.el
index 2abf714852f..1e4a511d036 100644
--- a/test/lisp/emacs-lisp/bindat-tests.el
+++ b/test/lisp/emacs-lisp/bindat-tests.el
@@ -1,6 +1,6 @@
 ;;; bindat-tests.el --- tests for bindat.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/bytecomp-tests.el b/test/lisp/emacs-lisp/bytecomp-tests.el
index 5c61ca10b9c..2fdf7389fc1 100644
--- a/test/lisp/emacs-lisp/bytecomp-tests.el
+++ b/test/lisp/emacs-lisp/bytecomp-tests.el
@@ -1,6 +1,6 @@
 ;;; bytecomp-tests.el --- Tests for bytecomp.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Shigeru Fukaya <shigeru.fukaya@gmail.com>
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/emacs-lisp/cconv-tests.el b/test/lisp/emacs-lisp/cconv-tests.el
index 537f6bfe721..83013cf46a9 100644
--- a/test/lisp/emacs-lisp/cconv-tests.el
+++ b/test/lisp/emacs-lisp/cconv-tests.el
@@ -1,6 +1,6 @@
 ;;; cconv-tests.el --- Tests for cconv.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/check-declare-tests.el b/test/lisp/emacs-lisp/check-declare-tests.el
index 59dfc10163d..840b6d22e1e 100644
--- a/test/lisp/emacs-lisp/check-declare-tests.el
+++ b/test/lisp/emacs-lisp/check-declare-tests.el
@@ -1,6 +1,6 @@
 ;;; check-declare-tests.el --- Tests for check-declare.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/checkdoc-tests.el b/test/lisp/emacs-lisp/checkdoc-tests.el
index c17415cbdd1..57694bd424b 100644
--- a/test/lisp/emacs-lisp/checkdoc-tests.el
+++ b/test/lisp/emacs-lisp/checkdoc-tests.el
@@ -1,6 +1,6 @@
 ;;; checkdoc-tests.el --- unit tests for checkdoc.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/emacs-lisp/cl-extra-tests.el b/test/lisp/emacs-lisp/cl-extra-tests.el
index 6a34cd681ec..84f878900b5 100644
--- a/test/lisp/emacs-lisp/cl-extra-tests.el
+++ b/test/lisp/emacs-lisp/cl-extra-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-extra-tests.el --- tests for emacs-lisp/cl-extra.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/cl-generic-tests.el b/test/lisp/emacs-lisp/cl-generic-tests.el
index 8e807b15915..57b9c949342 100644
--- a/test/lisp/emacs-lisp/cl-generic-tests.el
+++ b/test/lisp/emacs-lisp/cl-generic-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-generic-tests.el --- Tests for cl-generic.el functionality  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/emacs-lisp/cl-lib-tests.el b/test/lisp/emacs-lisp/cl-lib-tests.el
index 759138569e4..6668be8ee70 100644
--- a/test/lisp/emacs-lisp/cl-lib-tests.el
+++ b/test/lisp/emacs-lisp/cl-lib-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-lib-tests.el --- tests for emacs-lisp/cl-lib.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/cl-macs-tests.el b/test/lisp/emacs-lisp/cl-macs-tests.el
index 160ac591130..a9ec0b76ae8 100644
--- a/test/lisp/emacs-lisp/cl-macs-tests.el
+++ b/test/lisp/emacs-lisp/cl-macs-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-macs-tests.el --- tests for emacs-lisp/cl-macs.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/cl-preloaded-tests.el b/test/lisp/emacs-lisp/cl-preloaded-tests.el
index 43cd7b6bff1..7c863b4d3eb 100644
--- a/test/lisp/emacs-lisp/cl-preloaded-tests.el
+++ b/test/lisp/emacs-lisp/cl-preloaded-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-preloaded-tests.el --- unit tests for cl-preloaded.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/cl-print-tests.el b/test/lisp/emacs-lisp/cl-print-tests.el
index 57fe52a948e..7161035d75a 100644
--- a/test/lisp/emacs-lisp/cl-print-tests.el
+++ b/test/lisp/emacs-lisp/cl-print-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-print-tests.el --- Test suite for the cl-print facility.  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/cl-seq-tests.el b/test/lisp/emacs-lisp/cl-seq-tests.el
index f42ae69873f..adb74f0a6d5 100644
--- a/test/lisp/emacs-lisp/cl-seq-tests.el
+++ b/test/lisp/emacs-lisp/cl-seq-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-seq-tests.el --- Tests for cl-seq.el functionality  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Richard <youngfrog@members.fsf.org>
diff --git a/test/lisp/emacs-lisp/comp-cstr-tests.el b/test/lisp/emacs-lisp/comp-cstr-tests.el
index ba7ab6331ef..aeb620326b0 100644
--- a/test/lisp/emacs-lisp/comp-cstr-tests.el
+++ b/test/lisp/emacs-lisp/comp-cstr-tests.el
@@ -1,6 +1,6 @@
 ;;; comp-cstr-tests.el --- unit tests for src/comp.c -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Andrea Corallo <akrl@sdf.org>
diff --git a/test/lisp/emacs-lisp/comp-tests.el b/test/lisp/emacs-lisp/comp-tests.el
index 418c7296948..79345ac9a4e 100644
--- a/test/lisp/emacs-lisp/comp-tests.el
+++ b/test/lisp/emacs-lisp/comp-tests.el
@@ -1,6 +1,6 @@
 ;;; comp-tests.el --- Tests for comp.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/copyright-tests.el b/test/lisp/emacs-lisp/copyright-tests.el
index b00d697aa64..ef531174617 100644
--- a/test/lisp/emacs-lisp/copyright-tests.el
+++ b/test/lisp/emacs-lisp/copyright-tests.el
@@ -1,6 +1,6 @@
 ;;; copyright-tests.el --- tests for copyright.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/derived-tests.el b/test/lisp/emacs-lisp/derived-tests.el
index 547b16843d4..ca462c935f5 100644
--- a/test/lisp/emacs-lisp/derived-tests.el
+++ b/test/lisp/emacs-lisp/derived-tests.el
@@ -1,6 +1,6 @@
 ;;; derived-tests.el --- tests for derived.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/easy-mmode-tests.el b/test/lisp/emacs-lisp/easy-mmode-tests.el
index f6d07196727..6d65c22f5f2 100644
--- a/test/lisp/emacs-lisp/easy-mmode-tests.el
+++ b/test/lisp/emacs-lisp/easy-mmode-tests.el
@@ -1,6 +1,6 @@
 ;;; easy-mmode-tests.el --- tests for easy-mmode.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el b/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
index 42d06889ea7..b0211c915e6 100644
--- a/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
+++ b/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
@@ -1,6 +1,6 @@
 ;;; edebug-test-code.el --- Sample code for the Edebug test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell
diff --git a/test/lisp/emacs-lisp/edebug-tests.el b/test/lisp/emacs-lisp/edebug-tests.el
index dea6e9ed611..de2fff5ef19 100644
--- a/test/lisp/emacs-lisp/edebug-tests.el
+++ b/test/lisp/emacs-lisp/edebug-tests.el
@@ -1,6 +1,6 @@
 ;;; edebug-tests.el --- Edebug test suite   -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el b/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
index 05d24a8e35d..bb19a579e83 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
@@ -1,6 +1,6 @@
 ;;; eieio-test-methodinvoke.el --- eieio tests for method invocation  -*- lexical-binding:t -*-
-;; Copyright (C) 2005, 2008, 2010, 2013-2022 Free Software Foundation,
+;; Copyright (C) 2005, 2008, 2010, 2013-2023 Free Software Foundation,
 ;; Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
index e839e1262fa..4feaebed452 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
@@ -1,6 +1,6 @@
 ;;; eieio-test-persist.el --- Tests for eieio-persistent class  -*- lexical-binding:t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-tests.el b/test/lisp/emacs-lisp/eieio-tests/eieio-tests.el
index 9b27d4ab938..c9993341f98 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-tests.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-tests.el
@@ -1,6 +1,6 @@
 ;;; eieio-tests.el --- eieio test routines -*- lexical-binding: t -*-
-;; Copyright (C) 1999-2003, 2005-2010, 2012-2022 Free Software
+;; Copyright (C) 1999-2003, 2005-2010, 2012-2023 Free Software
 ;; Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/emacs-lisp/ert-tests.el b/test/lisp/emacs-lisp/ert-tests.el
index 84c28e11315..3e499fc6f59 100644
--- a/test/lisp/emacs-lisp/ert-tests.el
+++ b/test/lisp/emacs-lisp/ert-tests.el
@@ -1,6 +1,6 @@
 ;;; ert-tests.el --- ERT's self-tests  -*- lexical-binding: t -*-
-;; Copyright (C) 2007-2008, 2010-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2007-2008, 2010-2023 Free Software Foundation, Inc.
 ;; Author: Christian Ohler <ohler@gnu.org>
diff --git a/test/lisp/emacs-lisp/ert-x-tests.el b/test/lisp/emacs-lisp/ert-x-tests.el
index 1cfd218592a..6be2ca18ff1 100644
--- a/test/lisp/emacs-lisp/ert-x-tests.el
+++ b/test/lisp/emacs-lisp/ert-x-tests.el
@@ -1,6 +1,6 @@
 ;;; ert-x-tests.el --- Tests for ert-x.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2008, 2010-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008, 2010-2023 Free Software Foundation, Inc.
 ;; Author: Phil Hagelberg
 ;;         Christian Ohler <ohler@gnu.org>
diff --git a/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el b/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
index 9b9c863aa0b..4988babcfbd 100644
--- a/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
+++ b/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
@@ -1,6 +1,6 @@
 ;;; faceup-test-mode.el --- Dummy major mode for testing `faceup'.  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Anders Lindgren
 ;; Keywords: languages, faces
diff --git a/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el b/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
index 137b43a5dfd..9d677f48872 100644
--- a/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
+++ b/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
@@ -1,6 +1,6 @@
 ;;; faceup-test-this-file-directory.el --- Support file for faceup tests  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Anders Lindgren
 ;; Keywords: languages, faces
diff --git a/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el b/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
index b9fcb4e8863..c162354aa36 100644
--- a/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
+++ b/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
@@ -1,6 +1,6 @@
 ;;; faceup-test-basics.el --- Tests for the `faceup' package.  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Anders Lindgren
 ;; Keywords: languages, faces
diff --git a/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el b/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
index f07b8d830b9..99d3223f311 100644
--- a/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
+++ b/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
@@ -1,6 +1,6 @@
 ;;; faceup-test-files.el --- Self test of `faceup' using dummy major mode.  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Anders Lindgren
 ;; Keywords: languages, faces
diff --git a/test/lisp/emacs-lisp/find-func-tests.el b/test/lisp/emacs-lisp/find-func-tests.el
index 8c432f87200..7251b76157b 100644
--- a/test/lisp/emacs-lisp/find-func-tests.el
+++ b/test/lisp/emacs-lisp/find-func-tests.el
@@ -1,6 +1,6 @@
 ;;; find-func-tests.el --- Unit tests for find-func.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/float-sup-tests.el b/test/lisp/emacs-lisp/float-sup-tests.el
index f4353d9e855..f0e192d1e76 100644
--- a/test/lisp/emacs-lisp/float-sup-tests.el
+++ b/test/lisp/emacs-lisp/float-sup-tests.el
@@ -1,6 +1,6 @@
 ;;; float-sup-tests.el --- Tests for float-sup.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/generator-tests.el b/test/lisp/emacs-lisp/generator-tests.el
index b7a21d49b2f..fa4df77b9b7 100644
--- a/test/lisp/emacs-lisp/generator-tests.el
+++ b/test/lisp/emacs-lisp/generator-tests.el
@@ -1,6 +1,6 @@
 ;;; generator-tests.el --- Testing generators -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Daniel Colascione <dancol@dancol.org>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/gv-tests.el b/test/lisp/emacs-lisp/gv-tests.el
index 69a7bcf7dd4..f57b2c69fe4 100644
--- a/test/lisp/emacs-lisp/gv-tests.el
+++ b/test/lisp/emacs-lisp/gv-tests.el
@@ -1,6 +1,6 @@
 ;;; gv-tests.el --- tests for gv.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/icons-tests.el b/test/lisp/emacs-lisp/icons-tests.el
index e6e71a8e4fd..fdfbd1ff7cb 100644
--- a/test/lisp/emacs-lisp/icons-tests.el
+++ b/test/lisp/emacs-lisp/icons-tests.el
@@ -1,6 +1,6 @@
 ;;; icons-tests.el --- Tests for icons.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/let-alist-tests.el b/test/lisp/emacs-lisp/let-alist-tests.el
index c4e4feaad30..cf4cba50367 100644
--- a/test/lisp/emacs-lisp/let-alist-tests.el
+++ b/test/lisp/emacs-lisp/let-alist-tests.el
@@ -1,6 +1,6 @@
 ;;; let-alist.el --- tests for file handling. -*- lexical-binding: t; -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/lisp-mnt-tests.el b/test/lisp/emacs-lisp/lisp-mnt-tests.el
index a4bf834a8e4..c056761f0f9 100644
--- a/test/lisp/emacs-lisp/lisp-mnt-tests.el
+++ b/test/lisp/emacs-lisp/lisp-mnt-tests.el
@@ -1,6 +1,6 @@
 ;;; lisp-mnt-tests.el --- Tests for lisp-mnt  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/emacs-lisp/lisp-mode-tests.el b/test/lisp/emacs-lisp/lisp-mode-tests.el
index 996ea201fb0..3e906497020 100644
--- a/test/lisp/emacs-lisp/lisp-mode-tests.el
+++ b/test/lisp/emacs-lisp/lisp-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; lisp-mode-tests.el --- Test Lisp editing commands  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/lisp-tests.el b/test/lisp/emacs-lisp/lisp-tests.el
index 901447ecd27..2e5e2a740b1 100644
--- a/test/lisp/emacs-lisp/lisp-tests.el
+++ b/test/lisp/emacs-lisp/lisp-tests.el
@@ -1,6 +1,6 @@
 ;;; lisp-tests.el --- Test Lisp editing commands     -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Aaron S. Hawley <aaron.s.hawley@gmail.com>
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/emacs-lisp/macroexp-resources/m1.el b/test/lisp/emacs-lisp/macroexp-resources/m1.el
index 88c51e75261..5b35f60ad3d 100644
--- a/test/lisp/emacs-lisp/macroexp-resources/m1.el
+++ b/test/lisp/emacs-lisp/macroexp-resources/m1.el
@@ -1,6 +1,6 @@
 ;;; m1.el --- Some sample code for macroexp-tests    -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/macroexp-resources/m2.el b/test/lisp/emacs-lisp/macroexp-resources/m2.el
index cebe4cac125..fb11b56c378 100644
--- a/test/lisp/emacs-lisp/macroexp-resources/m2.el
+++ b/test/lisp/emacs-lisp/macroexp-resources/m2.el
@@ -1,6 +1,6 @@
 ;;; m2.el --- More sample code for macroexp-tests    -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/macroexp-resources/vk.el b/test/lisp/emacs-lisp/macroexp-resources/vk.el
index d9ca33671ef..c892b279923 100644
--- a/test/lisp/emacs-lisp/macroexp-resources/vk.el
+++ b/test/lisp/emacs-lisp/macroexp-resources/vk.el
@@ -1,6 +1,6 @@
 ;;; vk.el --- test code for macroexp-tests    -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/macroexp-tests.el b/test/lisp/emacs-lisp/macroexp-tests.el
index 4e6bd8b8fcd..7bb38fe58f7 100644
--- a/test/lisp/emacs-lisp/macroexp-tests.el
+++ b/test/lisp/emacs-lisp/macroexp-tests.el
@@ -1,6 +1,6 @@
 ;;; macroexp-tests.el --- Tests for macroexp.el      -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/map-tests.el b/test/lisp/emacs-lisp/map-tests.el
index 75ebe594313..86c0e9e0503 100644
--- a/test/lisp/emacs-lisp/map-tests.el
+++ b/test/lisp/emacs-lisp/map-tests.el
@@ -1,6 +1,6 @@
 ;;; map-tests.el --- Tests for map.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Petton <nicolas@petton.fr>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/emacs-lisp/memory-report-tests.el b/test/lisp/emacs-lisp/memory-report-tests.el
index 869144163b7..1bca74ca7c4 100644
--- a/test/lisp/emacs-lisp/memory-report-tests.el
+++ b/test/lisp/emacs-lisp/memory-report-tests.el
@@ -1,6 +1,6 @@
 ;;; memory-report-tests.el --- tests for memory-report.el -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/multisession-tests.el b/test/lisp/emacs-lisp/multisession-tests.el
index 68d9c9646ff..639a8ab5219 100644
--- a/test/lisp/emacs-lisp/multisession-tests.el
+++ b/test/lisp/emacs-lisp/multisession-tests.el
@@ -1,6 +1,6 @@
 ;;; multisession-tests.el --- Tests for multisession.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/nadvice-tests.el b/test/lisp/emacs-lisp/nadvice-tests.el
index a675986b90b..748d42f2120 100644
--- a/test/lisp/emacs-lisp/nadvice-tests.el
+++ b/test/lisp/emacs-lisp/nadvice-tests.el
@@ -1,6 +1,6 @@
 ;;; nadvice-tests.el --- Test suite for the new advice thingy.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/oclosure-tests.el b/test/lisp/emacs-lisp/oclosure-tests.el
index 00b008845c0..a7f2d1017a9 100644
--- a/test/lisp/emacs-lisp/oclosure-tests.el
+++ b/test/lisp/emacs-lisp/oclosure-tests.el
@@ -1,6 +1,6 @@
 ;;; oclosure-tests.e; --- Tests for Open Closures  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022  Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/package-resources/signed/update-signatures.sh b/test/lisp/emacs-lisp/package-resources/signed/update-signatures.sh
index ddd96748ec1..3f3e2fc70d2 100755
--- a/test/lisp/emacs-lisp/package-resources/signed/update-signatures.sh
+++ b/test/lisp/emacs-lisp/package-resources/signed/update-signatures.sh
@@ -2,7 +2,7 @@
 # Generate a new key and update the signatures for tests.
-# Copyright (C) 2020-2022 Free Software Foundation, Inc.
+# Copyright (C) 2020-2023 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/package-tests.el b/test/lisp/emacs-lisp/package-tests.el
index ffe4d7cd5fd..0016fb586b7 100644
--- a/test/lisp/emacs-lisp/package-tests.el
+++ b/test/lisp/emacs-lisp/package-tests.el
@@ -1,6 +1,6 @@
 ;;; package-tests.el --- Tests for the Emacs package system  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Daniel Hackney <dan@haxney.org>
 ;; Version: 1.0
diff --git a/test/lisp/emacs-lisp/pcase-tests.el b/test/lisp/emacs-lisp/pcase-tests.el
index 80607990808..799e8d36647 100644
--- a/test/lisp/emacs-lisp/pcase-tests.el
+++ b/test/lisp/emacs-lisp/pcase-tests.el
@@ -1,6 +1,6 @@
 ;;; pcase-tests.el --- Test suite for pcase macro.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/pp-tests.el b/test/lisp/emacs-lisp/pp-tests.el
index 01ac572c537..72c7cb880d2 100644
--- a/test/lisp/emacs-lisp/pp-tests.el
+++ b/test/lisp/emacs-lisp/pp-tests.el
@@ -1,6 +1,6 @@
 ;;; pp-tests.el --- Test suite for pretty printer.  -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/range-tests.el b/test/lisp/emacs-lisp/range-tests.el
index 660110aa1fb..c35a95a4c1e 100644
--- a/test/lisp/emacs-lisp/range-tests.el
+++ b/test/lisp/emacs-lisp/range-tests.el
@@ -1,6 +1,6 @@
 ;;; range-tests.el --- Tests for range.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022  Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/regexp-opt-tests.el b/test/lisp/emacs-lisp/regexp-opt-tests.el
index 46ed7c29b28..1eefd7b210c 100644
--- a/test/lisp/emacs-lisp/regexp-opt-tests.el
+++ b/test/lisp/emacs-lisp/regexp-opt-tests.el
@@ -1,6 +1,6 @@
 ;;; regexp-opt-tests.el --- Tests for regexp-opt.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:       internal
diff --git a/test/lisp/emacs-lisp/ring-tests.el b/test/lisp/emacs-lisp/ring-tests.el
index 6bbcd94f201..f8f2cfc37de 100644
--- a/test/lisp/emacs-lisp/ring-tests.el
+++ b/test/lisp/emacs-lisp/ring-tests.el
@@ -1,6 +1,6 @@
 ;;; ring-tests.el --- Tests for ring.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/rmc-tests.el b/test/lisp/emacs-lisp/rmc-tests.el
index 385b0fe44a5..bf0ff59151d 100644
--- a/test/lisp/emacs-lisp/rmc-tests.el
+++ b/test/lisp/emacs-lisp/rmc-tests.el
@@ -1,6 +1,6 @@
 ;;; rmc-tests.el --- Test suite for rmc.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/rx-tests.el b/test/lisp/emacs-lisp/rx-tests.el
index 01772e54d8a..028250b7352 100644
--- a/test/lisp/emacs-lisp/rx-tests.el
+++ b/test/lisp/emacs-lisp/rx-tests.el
@@ -1,6 +1,6 @@
 ;;; rx-tests.el --- tests for rx.el              -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/seq-tests.el b/test/lisp/emacs-lisp/seq-tests.el
index e22f86f0447..71ff991c215 100644
--- a/test/lisp/emacs-lisp/seq-tests.el
+++ b/test/lisp/emacs-lisp/seq-tests.el
@@ -1,6 +1,6 @@
 ;;; seq-tests.el --- Tests for seq.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Petton <nicolas@petton.fr>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/emacs-lisp/shadow-tests.el b/test/lisp/emacs-lisp/shadow-tests.el
index a91c4efd048..d3b18aa5987 100644
--- a/test/lisp/emacs-lisp/shadow-tests.el
+++ b/test/lisp/emacs-lisp/shadow-tests.el
@@ -1,6 +1,6 @@
 ;;; shadow-tests.el --- Test suite for shadow.  -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/shortdoc-tests.el b/test/lisp/emacs-lisp/shortdoc-tests.el
index 3938902fa73..914aee633ee 100644
--- a/test/lisp/emacs-lisp/shortdoc-tests.el
+++ b/test/lisp/emacs-lisp/shortdoc-tests.el
@@ -1,6 +1,6 @@
 ;;; shortdoc-tests.el --- tests for shortdoc.el   -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/subr-x-tests.el b/test/lisp/emacs-lisp/subr-x-tests.el
index e80d2e17e8d..e4c270a114f 100644
--- a/test/lisp/emacs-lisp/subr-x-tests.el
+++ b/test/lisp/emacs-lisp/subr-x-tests.el
@@ -1,6 +1,6 @@
 ;;; subr-x-tests.el --- Testing the extended lisp routines  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Fabián E. Gallina <fgallina@gnu.org>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/syntax-tests.el b/test/lisp/emacs-lisp/syntax-tests.el
index d8fc5c4fa82..6cdbca984ac 100644
--- a/test/lisp/emacs-lisp/syntax-tests.el
+++ b/test/lisp/emacs-lisp/syntax-tests.el
@@ -1,6 +1,6 @@
 ;;; syntax-tests.el --- tests for syntax.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/tabulated-list-tests.el b/test/lisp/emacs-lisp/tabulated-list-tests.el
index 3ce4a63f4f0..115a7e735a2 100644
--- a/test/lisp/emacs-lisp/tabulated-list-tests.el
+++ b/test/lisp/emacs-lisp/tabulated-list-tests.el
@@ -1,6 +1,6 @@
 ;;; tabulated-list-tests.el --- Tests for emacs-lisp/tabulated-list.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
diff --git a/test/lisp/emacs-lisp/testcover-resources/testcases.el b/test/lisp/emacs-lisp/testcover-resources/testcases.el
index 46040be1a6c..48c73648259 100644
--- a/test/lisp/emacs-lisp/testcover-resources/testcases.el
+++ b/test/lisp/emacs-lisp/testcover-resources/testcases.el
@@ -1,6 +1,6 @@
 ;;;; testcases.el -- Test cases for testcover-tests.el
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell
diff --git a/test/lisp/emacs-lisp/testcover-tests.el b/test/lisp/emacs-lisp/testcover-tests.el
index 39cd3175c26..989dd40b646 100644
--- a/test/lisp/emacs-lisp/testcover-tests.el
+++ b/test/lisp/emacs-lisp/testcover-tests.el
@@ -1,6 +1,6 @@
 ;;; testcover-tests.el --- Testcover test suite   -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell
diff --git a/test/lisp/emacs-lisp/text-property-search-tests.el b/test/lisp/emacs-lisp/text-property-search-tests.el
index 98fdd55e85f..2c701c2c8e4 100644
--- a/test/lisp/emacs-lisp/text-property-search-tests.el
+++ b/test/lisp/emacs-lisp/text-property-search-tests.el
@@ -1,6 +1,6 @@
 ;;; text-property-search-tests.el --- Testing text-property-search  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
 ;; Keywords:
diff --git a/test/lisp/emacs-lisp/thunk-tests.el b/test/lisp/emacs-lisp/thunk-tests.el
index f593737fd22..5ae0e2a3d7d 100644
--- a/test/lisp/emacs-lisp/thunk-tests.el
+++ b/test/lisp/emacs-lisp/thunk-tests.el
@@ -1,6 +1,6 @@
 ;;; thunk-tests.el --- Tests for thunk.el -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Petton <nicolas@petton.fr>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/emacs-lisp/timer-tests.el b/test/lisp/emacs-lisp/timer-tests.el
index 4d974cfd9d7..7652b324493 100644
--- a/test/lisp/emacs-lisp/timer-tests.el
+++ b/test/lisp/emacs-lisp/timer-tests.el
@@ -1,6 +1,6 @@
 ;;; timer-tests.el --- tests for timers -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/unsafep-tests.el b/test/lisp/emacs-lisp/unsafep-tests.el
index fdd82b4fc3d..368eee796ea 100644
--- a/test/lisp/emacs-lisp/unsafep-tests.el
+++ b/test/lisp/emacs-lisp/unsafep-tests.el
@@ -2,7 +2,7 @@
 ;; Author: Jonathan Yavner <jyavner@member.fsf.org>
-;; Copyright (C) 2002-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/vtable-tests.el b/test/lisp/emacs-lisp/vtable-tests.el
index 627d9f9c5df..2da1bbaabb1 100644
--- a/test/lisp/emacs-lisp/vtable-tests.el
+++ b/test/lisp/emacs-lisp/vtable-tests.el
@@ -1,6 +1,6 @@
 ;;; vtable-tests.el --- Tests for vtable.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emacs-lisp/warnings-tests.el b/test/lisp/emacs-lisp/warnings-tests.el
index 3b12092505d..22520d0e84f 100644
--- a/test/lisp/emacs-lisp/warnings-tests.el
+++ b/test/lisp/emacs-lisp/warnings-tests.el
@@ -2,7 +2,7 @@
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/emulation/viper-tests.el b/test/lisp/emulation/viper-tests.el
index 1d2bf46b199..a0b1a823909 100644
--- a/test/lisp/emulation/viper-tests.el
+++ b/test/lisp/emulation/viper-tests.el
@@ -1,6 +1,6 @@
 ;;; viper-tests.el --- tests for viper.  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/env-tests.el b/test/lisp/env-tests.el
index fd3d3cb2734..579f73b1b21 100644
--- a/test/lisp/env-tests.el
+++ b/test/lisp/env-tests.el
@@ -1,6 +1,6 @@
 ;;; env-tests.el --- Tests for env.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/epg-config-tests.el b/test/lisp/epg-config-tests.el
index ac065909c45..51d2052c27d 100644
--- a/test/lisp/epg-config-tests.el
+++ b/test/lisp/epg-config-tests.el
@@ -1,6 +1,6 @@
 ;;; epg-config-tests.el --- Test suite for epg.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/epg-tests.el b/test/lisp/epg-tests.el
index dca6f337647..3659a922fe3 100644
--- a/test/lisp/epg-tests.el
+++ b/test/lisp/epg-tests.el
@@ -1,6 +1,6 @@
 ;;; epg-tests.el --- Test suite for epg.el -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-dcc-tests.el b/test/lisp/erc/erc-dcc-tests.el
index 74cbb7d9476..bd8a9fc7951 100644
--- a/test/lisp/erc/erc-dcc-tests.el
+++ b/test/lisp/erc/erc-dcc-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-dcc-tests.el --- Tests for erc-dcc  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-join-tests.el b/test/lisp/erc/erc-join-tests.el
index 89521ba4292..e293c9976a1 100644
--- a/test/lisp/erc/erc-join-tests.el
+++ b/test/lisp/erc/erc-join-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-join-tests.el --- Tests for erc-join.  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-match-tests.el b/test/lisp/erc/erc-match-tests.el
index cd7598703b5..748ccd02ddf 100644
--- a/test/lisp/erc/erc-match-tests.el
+++ b/test/lisp/erc/erc-match-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-match-tests.el --- Tests for erc-match.  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-networks-tests.el b/test/lisp/erc/erc-networks-tests.el
index 0a8b5935df0..96836c29aed 100644
--- a/test/lisp/erc/erc-networks-tests.el
+++ b/test/lisp/erc/erc-networks-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-networks-tests.el --- Tests for erc-networks.  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-sasl-tests.el b/test/lisp/erc/erc-sasl-tests.el
index 0e5ea60e5f0..767a8f56f54 100644
--- a/test/lisp/erc/erc-sasl-tests.el
+++ b/test/lisp/erc/erc-sasl-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-sasl-tests.el --- Tests for erc-sasl.  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;;
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-scenarios-auth-source.el b/test/lisp/erc/erc-scenarios-auth-source.el
index 20cae9fbcb8..641b881666e 100644
--- a/test/lisp/erc/erc-scenarios-auth-source.el
+++ b/test/lisp/erc/erc-scenarios-auth-source.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-auth-source.el --- auth-source scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-association-nick.el b/test/lisp/erc/erc-scenarios-base-association-nick.el
index 7eac9c900a7..5f90f0d2bcd 100644
--- a/test/lisp/erc/erc-scenarios-base-association-nick.el
+++ b/test/lisp/erc/erc-scenarios-base-association-nick.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-nick.el --- base assoc scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-association-query.el b/test/lisp/erc/erc-scenarios-base-association-query.el
index 78b75a530c0..e9472617918 100644
--- a/test/lisp/erc/erc-scenarios-base-association-query.el
+++ b/test/lisp/erc/erc-scenarios-base-association-query.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-query.el --- assoc query scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-association-samenet.el b/test/lisp/erc/erc-scenarios-base-association-samenet.el
index a843159824a..c64a3f6725b 100644
--- a/test/lisp/erc/erc-scenarios-base-association-samenet.el
+++ b/test/lisp/erc/erc-scenarios-base-association-samenet.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-samenet.el --- assoc samenet scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-association.el b/test/lisp/erc/erc-scenarios-base-association.el
index a03714aa795..1e280d0fdd7 100644
--- a/test/lisp/erc/erc-scenarios-base-association.el
+++ b/test/lisp/erc/erc-scenarios-base-association.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association.el --- base assoc scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el b/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
index 81cbaca5583..74d4444ccd2 100644
--- a/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
+++ b/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-compat-rename-bouncer.el --- compat-rename scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-local-modules.el b/test/lisp/erc/erc-scenarios-base-local-modules.el
index ff92dacb75a..d4001df45de 100644
--- a/test/lisp/erc/erc-scenarios-base-local-modules.el
+++ b/test/lisp/erc/erc-scenarios-base-local-modules.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-local-modules.el --- Local modules tests for ERC -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-misc-regressions.el b/test/lisp/erc/erc-scenarios-base-misc-regressions.el
index 1cad934b6ef..16b2cb355d1 100644
--- a/test/lisp/erc/erc-scenarios-base-misc-regressions.el
+++ b/test/lisp/erc/erc-scenarios-base-misc-regressions.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-misc-regressions.el --- misc regressions scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
index 6540d44c4b9..876f2e3cade 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-id.el --- net-id bouncer ID scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
index 135d378c7fc..d3d07493e9e 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-base.el --- net-id base scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
index 2f58c3269e3..b76633f3e3e 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-both.el --- net-id both scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;;
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
index fb58be9615e..66d3c25f7da 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-id.el --- recon ID scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
index 432a89b9977..a658a17601b 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer.el --- net-id bouncer scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-netid-samenet.el b/test/lisp/erc/erc-scenarios-base-netid-samenet.el
index 14367122510..7304dead44c 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-samenet.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-samenet.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-network-id-samenet.el --- netid-id samenet scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-reconnect.el b/test/lisp/erc/erc-scenarios-base-reconnect.el
index 2a3dac12518..5b4dc549042 100644
--- a/test/lisp/erc/erc-scenarios-base-reconnect.el
+++ b/test/lisp/erc/erc-scenarios-base-reconnect.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-reconnect.el --- Base-reconnect scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-renick.el b/test/lisp/erc/erc-scenarios-base-renick.el
index 69ecc0a7da5..f1723200533 100644
--- a/test/lisp/erc/erc-scenarios-base-renick.el
+++ b/test/lisp/erc/erc-scenarios-base-renick.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-renick.el --- Re-nicking scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-reuse-buffers.el b/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
index a8575aa55ae..d23a0b35904 100644
--- a/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
+++ b/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-reuse-buffers.el --- base-reuse-buffers scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-unstable.el b/test/lisp/erc/erc-scenarios-base-unstable.el
index e6db40c5efb..2ccf8880b95 100644
--- a/test/lisp/erc/erc-scenarios-base-unstable.el
+++ b/test/lisp/erc/erc-scenarios-base-unstable.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-unstable.el --- base unstable scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el b/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
index 0e6f4b7a6ba..28b0db77be6 100644
--- a/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
+++ b/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-upstream-recon-soju.el --- Upstream soju -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el b/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
index 76cf9f4f76c..79e1349bd95 100644
--- a/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
+++ b/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-upstream-recon-znc.el --- Upstream znc -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-internal.el b/test/lisp/erc/erc-scenarios-internal.el
index e122443c590..8d38c2dde49 100644
--- a/test/lisp/erc/erc-scenarios-internal.el
+++ b/test/lisp/erc/erc-scenarios-internal.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-internal.el --- Proxy file for erc-d tests -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-join-auth-source.el b/test/lisp/erc/erc-scenarios-join-auth-source.el
index ef200fb6d09..6ed5bc2db37 100644
--- a/test/lisp/erc/erc-scenarios-join-auth-source.el
+++ b/test/lisp/erc/erc-scenarios-join-auth-source.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-auth-source.el --- join-auth-source scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el b/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
index 4c25c3e4f86..812ac1c3b56 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-newcmd-id.el --- join netid newcmd scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-join-netid-newcmd.el b/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
index e54f5fe9ced..c8e9d66906e 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-newcmd.el --- join netid newcmd scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-join-netid-recon-id.el b/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
index 9a9e4692b6a..0e0fc9132b8 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-recon-id.el --- join-netid-recon scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-join-netid-recon.el b/test/lisp/erc/erc-scenarios-join-netid-recon.el
index 9f9244dad22..0f76617faa5 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-recon.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-recon.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-recon.el --- join-netid-recon scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-misc.el b/test/lisp/erc/erc-scenarios-misc.el
index f1696088a48..5927eee48fd 100644
--- a/test/lisp/erc/erc-scenarios-misc.el
+++ b/test/lisp/erc/erc-scenarios-misc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-misc.el --- Misc scenarios for ERC -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-sasl.el b/test/lisp/erc/erc-scenarios-sasl.el
index 1e412d53d5e..3878237c7d2 100644
--- a/test/lisp/erc/erc-scenarios-sasl.el
+++ b/test/lisp/erc/erc-scenarios-sasl.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-sasl.el --- SASL tests for ERC -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-scenarios-services-misc.el b/test/lisp/erc/erc-scenarios-services-misc.el
index 44e04e51509..a1679d302f4 100644
--- a/test/lisp/erc/erc-scenarios-services-misc.el
+++ b/test/lisp/erc/erc-scenarios-services-misc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-services-misc.el --- Services-misc scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/erc-services-tests.el b/test/lisp/erc/erc-services-tests.el
index 2547c5e01a8..b1d36d868eb 100644
--- a/test/lisp/erc/erc-services-tests.el
+++ b/test/lisp/erc/erc-services-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-services-tests.el --- Tests for erc-services.  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-tests.el b/test/lisp/erc/erc-tests.el
index 578b2641a6d..6807b24bfc6 100644
--- a/test/lisp/erc/erc-tests.el
+++ b/test/lisp/erc/erc-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-tests.el --- Tests for erc.  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/lisp/erc/erc-track-tests.el b/test/lisp/erc/erc-track-tests.el
index 475a436bb1d..ab8d708b721 100644
--- a/test/lisp/erc/erc-track-tests.el
+++ b/test/lisp/erc/erc-track-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-track-tests.el --- Tests for erc-track.  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Mario Lang <mlang@delysid.org>
 ;; Author: Vivek Dasmohapatra <vivek@etla.org>
diff --git a/test/lisp/erc/resources/erc-d/erc-d-i.el b/test/lisp/erc/resources/erc-d/erc-d-i.el
index 15a0b16bfd1..05302e4f0be 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-i.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-i.el
@@ -1,6 +1,6 @@
 ;;; erc-d-i.el --- IRC helpers for ERC test server -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-d/erc-d-t.el b/test/lisp/erc/resources/erc-d/erc-d-t.el
index 6d68608a4f3..282c193b707 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-t.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-t.el
@@ -1,6 +1,6 @@
 ;;; erc-d-t.el --- ERT helpers for ERC test server -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-d/erc-d-tests.el b/test/lisp/erc/resources/erc-d/erc-d-tests.el
index feddc4c062b..a501cd55494 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-tests.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-d-tests.el --- tests for erc-d -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-d/erc-d-u.el b/test/lisp/erc/resources/erc-d/erc-d-u.el
index 60181cdc8bd..e26fa8b47dd 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-u.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-u.el
@@ -1,6 +1,6 @@
 ;;; erc-d-u.el --- Helpers for ERC test server -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-d/erc-d.el b/test/lisp/erc/resources/erc-d/erc-d.el
index f8704834b9f..f4491bbb834 100644
--- a/test/lisp/erc/resources/erc-d/erc-d.el
+++ b/test/lisp/erc/resources/erc-d/erc-d.el
@@ -1,6 +1,6 @@
 ;;; erc-d.el --- A dumb test server for ERC -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el b/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
index f675f675018..541c222dc21 100644
--- a/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
+++ b/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
@@ -1,6 +1,6 @@
 ;;; proxy-subprocess.el --- Example setup file for erc-d  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/erc/resources/erc-scenarios-common.el b/test/lisp/erc/resources/erc-scenarios-common.el
index 57d4658e75a..0d9a79ae9ce 100644
--- a/test/lisp/erc/resources/erc-scenarios-common.el
+++ b/test/lisp/erc/resources/erc-scenarios-common.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-common.el --- Common helpers for ERC scenarios -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-alias-tests.el b/test/lisp/eshell/em-alias-tests.el
index 0a26e8d2011..ec1704545a4 100644
--- a/test/lisp/eshell/em-alias-tests.el
+++ b/test/lisp/eshell/em-alias-tests.el
@@ -1,6 +1,6 @@
 ;;; em-alias-tests.el --- em-alias test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-basic-tests.el b/test/lisp/eshell/em-basic-tests.el
index bc8baeaa035..6ac7226ffa0 100644
--- a/test/lisp/eshell/em-basic-tests.el
+++ b/test/lisp/eshell/em-basic-tests.el
@@ -1,6 +1,6 @@
 ;;; em-basic-tests.el --- em-basic test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-dirs-tests.el b/test/lisp/eshell/em-dirs-tests.el
index f72d708dcae..d30b3d7d73f 100644
--- a/test/lisp/eshell/em-dirs-tests.el
+++ b/test/lisp/eshell/em-dirs-tests.el
@@ -1,6 +1,6 @@
 ;;; em-dirs-tests.el --- em-dirs test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-extpipe-tests.el b/test/lisp/eshell/em-extpipe-tests.el
index a2646a0296b..1184b5df5f8 100644
--- a/test/lisp/eshell/em-extpipe-tests.el
+++ b/test/lisp/eshell/em-extpipe-tests.el
@@ -1,6 +1,6 @@
 ;;; em-extpipe-tests.el --- em-extpipe test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Sean Whitton <spwhitton@spwhitton.name>
diff --git a/test/lisp/eshell/em-glob-tests.el b/test/lisp/eshell/em-glob-tests.el
index b733be35d9a..c33af88a374 100644
--- a/test/lisp/eshell/em-glob-tests.el
+++ b/test/lisp/eshell/em-glob-tests.el
@@ -1,6 +1,6 @@
 ;;; em-glob-tests.el --- em-glob test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-hist-tests.el b/test/lisp/eshell/em-hist-tests.el
index 634e9819839..35ae6bdc239 100644
--- a/test/lisp/eshell/em-hist-tests.el
+++ b/test/lisp/eshell/em-hist-tests.el
@@ -1,6 +1,6 @@
 ;;; em-hist-tests.el --- em-hist test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-ls-tests.el b/test/lisp/eshell/em-ls-tests.el
index 272280e81c7..862a6dfd9f8 100644
--- a/test/lisp/eshell/em-ls-tests.el
+++ b/test/lisp/eshell/em-ls-tests.el
@@ -1,6 +1,6 @@
 ;;; em-ls-tests.el --- em-ls test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
diff --git a/test/lisp/eshell/em-pred-tests.el b/test/lisp/eshell/em-pred-tests.el
index 0d6351ec826..adc4ac01eb1 100644
--- a/test/lisp/eshell/em-pred-tests.el
+++ b/test/lisp/eshell/em-pred-tests.el
@@ -1,6 +1,6 @@
 ;;; em-pred-tests.el --- em-pred test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-script-tests.el b/test/lisp/eshell/em-script-tests.el
index f720f697c67..74328844778 100644
--- a/test/lisp/eshell/em-script-tests.el
+++ b/test/lisp/eshell/em-script-tests.el
@@ -1,6 +1,6 @@
 ;;; em-script-tests.el --- em-script test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/em-tramp-tests.el b/test/lisp/eshell/em-tramp-tests.el
index 936397d8869..a3bda970b63 100644
--- a/test/lisp/eshell/em-tramp-tests.el
+++ b/test/lisp/eshell/em-tramp-tests.el
@@ -1,6 +1,6 @@
 ;;; em-tramp-tests.el --- em-tramp test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-arg-tests.el b/test/lisp/eshell/esh-arg-tests.el
index 77f9404d4c7..918ad3a949f 100644
--- a/test/lisp/eshell/esh-arg-tests.el
+++ b/test/lisp/eshell/esh-arg-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-arg-tests.el --- esh-arg test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-cmd-tests.el b/test/lisp/eshell/esh-cmd-tests.el
index 42d24967ff8..bcecc9a531f 100644
--- a/test/lisp/eshell/esh-cmd-tests.el
+++ b/test/lisp/eshell/esh-cmd-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-cmd-tests.el --- esh-cmd test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-ext-tests.el b/test/lisp/eshell/esh-ext-tests.el
index 54191e9409e..ef073d3487d 100644
--- a/test/lisp/eshell/esh-ext-tests.el
+++ b/test/lisp/eshell/esh-ext-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-ext-tests.el --- esh-ext test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-io-tests.el b/test/lisp/eshell/esh-io-tests.el
index 52501f5bb70..ed350a9691c 100644
--- a/test/lisp/eshell/esh-io-tests.el
+++ b/test/lisp/eshell/esh-io-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-io-tests.el --- esh-io test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-opt-tests.el b/test/lisp/eshell/esh-opt-tests.el
index 5b30de414a3..f4529ed4f22 100644
--- a/test/lisp/eshell/esh-opt-tests.el
+++ b/test/lisp/eshell/esh-opt-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-opt-tests.el --- esh-opt test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-proc-tests.el b/test/lisp/eshell/esh-proc-tests.el
index abe363bee0d..ae7b1dddd69 100644
--- a/test/lisp/eshell/esh-proc-tests.el
+++ b/test/lisp/eshell/esh-proc-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-proc-tests.el --- esh-proc test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-util-tests.el b/test/lisp/eshell/esh-util-tests.el
index 1cbd015999f..afaf1b77f2b 100644
--- a/test/lisp/eshell/esh-util-tests.el
+++ b/test/lisp/eshell/esh-util-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-util-tests.el --- esh-util test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/esh-var-tests.el b/test/lisp/eshell/esh-var-tests.el
index d95669fdaf8..3f602798dbe 100644
--- a/test/lisp/eshell/esh-var-tests.el
+++ b/test/lisp/eshell/esh-var-tests.el
@@ -1,6 +1,6 @@
 ;;; esh-var-tests.el --- esh-var test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/eshell/eshell-tests-helpers.el b/test/lisp/eshell/eshell-tests-helpers.el
index a9338050311..2c913d71cb4 100644
--- a/test/lisp/eshell/eshell-tests-helpers.el
+++ b/test/lisp/eshell/eshell-tests-helpers.el
@@ -1,6 +1,6 @@
 ;;; eshell-tests-helpers.el --- Eshell test suite helpers  -*- lexical-binding:t -*-
-;; Copyright (C) 1999-2022 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2023 Free Software Foundation, Inc.
 ;; Author: John Wiegley <johnw@gnu.org>
diff --git a/test/lisp/eshell/eshell-tests.el b/test/lisp/eshell/eshell-tests.el
index dd8be8e65f0..be968e1558f 100644
--- a/test/lisp/eshell/eshell-tests.el
+++ b/test/lisp/eshell/eshell-tests.el
@@ -1,6 +1,6 @@
 ;;; eshell-tests.el --- Eshell test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 1999-2022 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2023 Free Software Foundation, Inc.
 ;; Author: John Wiegley <johnw@gnu.org>
diff --git a/test/lisp/faces-resources/faces-test-dark-theme.el b/test/lisp/faces-resources/faces-test-dark-theme.el
index 37f793a16ef..c73a8823a09 100644
--- a/test/lisp/faces-resources/faces-test-dark-theme.el
+++ b/test/lisp/faces-resources/faces-test-dark-theme.el
@@ -1,6 +1,6 @@
 ;;; faces-test-dark-theme.el --- A dark theme from tests ;;; -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/faces-resources/faces-test-light-theme.el b/test/lisp/faces-resources/faces-test-light-theme.el
index f89ccf36c5a..acbc54d769b 100644
--- a/test/lisp/faces-resources/faces-test-light-theme.el
+++ b/test/lisp/faces-resources/faces-test-light-theme.el
@@ -1,6 +1,6 @@
 ;;; faces-test-light-theme.el --- A dark theme from tests ;;; -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/faces-tests.el b/test/lisp/faces-tests.el
index f28f9e6aed4..2c772a27f74 100644
--- a/test/lisp/faces-tests.el
+++ b/test/lisp/faces-tests.el
@@ -1,6 +1,6 @@
 ;;; faces-tests.el --- Tests for faces.el            -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/ffap-tests.el b/test/lisp/ffap-tests.el
index 076d8256421..a47e1900ae4 100644
--- a/test/lisp/ffap-tests.el
+++ b/test/lisp/ffap-tests.el
@@ -1,6 +1,6 @@
 ;;; ffap-tests.el --- Test suite for ffap.el -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
diff --git a/test/lisp/filenotify-tests.el b/test/lisp/filenotify-tests.el
index 724cd63e222..bc094345ffe 100644
--- a/test/lisp/filenotify-tests.el
+++ b/test/lisp/filenotify-tests.el
@@ -1,6 +1,6 @@
 ;;; filenotify-tests.el --- Tests of file notifications  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/files-tests.el b/test/lisp/files-tests.el
index 011bfa67cc2..aadb60e1de7 100644
--- a/test/lisp/files-tests.el
+++ b/test/lisp/files-tests.el
@@ -1,6 +1,6 @@
 ;;; files-tests.el --- tests for files.el.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/files-x-tests.el b/test/lisp/files-x-tests.el
index b1555a02664..f79118fd564 100644
--- a/test/lisp/files-x-tests.el
+++ b/test/lisp/files-x-tests.el
@@ -1,6 +1,6 @@
 ;;; files-x-tests.el --- tests for files-x.el.  -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/find-cmd-tests.el b/test/lisp/find-cmd-tests.el
index 853ac9e27b4..a0b9a80ef47 100644
--- a/test/lisp/find-cmd-tests.el
+++ b/test/lisp/find-cmd-tests.el
@@ -1,6 +1,6 @@
 ;;; find-cmd-tests.el --- tests for find-cmd.el.  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/font-lock-tests.el b/test/lisp/font-lock-tests.el
index acdfc5a63da..a4cfc19a770 100644
--- a/test/lisp/font-lock-tests.el
+++ b/test/lisp/font-lock-tests.el
@@ -1,6 +1,6 @@
 ;;; font-lock-tests.el --- Test suite for font-lock. -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/format-spec-tests.el b/test/lisp/format-spec-tests.el
index bd493ae1d71..31399f37250 100644
--- a/test/lisp/format-spec-tests.el
+++ b/test/lisp/format-spec-tests.el
@@ -1,6 +1,6 @@
 ;;; format-spec-tests.el --- tests for format-spec.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/gnus/gnus-group-tests.el b/test/lisp/gnus/gnus-group-tests.el
index 4ae5fea3eb7..e12f42711ea 100644
--- a/test/lisp/gnus/gnus-group-tests.el
+++ b/test/lisp/gnus/gnus-group-tests.el
@@ -1,6 +1,6 @@
 ;;; gnus-group-tests.el --- Tests for gnus-group.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/gnus/gnus-icalendar-tests.el b/test/lisp/gnus/gnus-icalendar-tests.el
index 348ddf9f056..8f89e8f00ab 100644
--- a/test/lisp/gnus/gnus-icalendar-tests.el
+++ b/test/lisp/gnus/gnus-icalendar-tests.el
@@ -1,6 +1,6 @@
 ;;; gnus-icalendar-tests.el --- tests                -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Jan Tatarik <jan.tatarik@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/gnus/gnus-search-tests.el b/test/lisp/gnus/gnus-search-tests.el
index 4a5def97d3c..dbbe5089817 100644
--- a/test/lisp/gnus/gnus-search-tests.el
+++ b/test/lisp/gnus/gnus-search-tests.el
@@ -1,6 +1,6 @@
 ;;; gnus-search-tests.el --- Tests for Gnus' search routines  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017, 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017, 2021-2023 Free Software Foundation, Inc.
 ;; Author: Eric Abrahamsen <eric@ericabrahamsen.net>
 ;; Keywords:
diff --git a/test/lisp/gnus/gnus-test-headers.el b/test/lisp/gnus/gnus-test-headers.el
index 730c10f9818..936665fd1f8 100644
--- a/test/lisp/gnus/gnus-test-headers.el
+++ b/test/lisp/gnus/gnus-test-headers.el
@@ -1,6 +1,6 @@
 ;;; gnus-test-headers.el --- Tests for Gnus header-related functions  -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Eric Abrahamsen <eric@ericabrahamsen.net>
diff --git a/test/lisp/gnus/gnus-tests.el b/test/lisp/gnus/gnus-tests.el
index 4c5a6a8191c..f50888e2077 100644
--- a/test/lisp/gnus/gnus-tests.el
+++ b/test/lisp/gnus/gnus-tests.el
@@ -1,6 +1,6 @@
 ;;; gnus-tests.el --- Wrapper for the Gnus tests  -*- lexical-binding:t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Teodor Zlatanov <tzz@lifelogs.com>
diff --git a/test/lisp/gnus/gnus-util-tests.el b/test/lisp/gnus/gnus-util-tests.el
index 464567061f6..4b904ca6f1d 100644
--- a/test/lisp/gnus/gnus-util-tests.el
+++ b/test/lisp/gnus/gnus-util-tests.el
@@ -1,5 +1,5 @@
 ;;; gnus-util-tests.el --- Selectived tests only.  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Jens Lechtenbörger <jens.lechtenboerger@fsfe.org>
diff --git a/test/lisp/gnus/message-tests.el b/test/lisp/gnus/message-tests.el
index a724428ecb4..0844839c366 100644
--- a/test/lisp/gnus/message-tests.el
+++ b/test/lisp/gnus/message-tests.el
@@ -1,6 +1,6 @@
 ;;; message-tests.el --- Tests for message-mode  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: João Távora <joaotavora@gmail.com>
diff --git a/test/lisp/gnus/mm-decode-tests.el b/test/lisp/gnus/mm-decode-tests.el
index 5f39a32b0de..e60295e21e7 100644
--- a/test/lisp/gnus/mm-decode-tests.el
+++ b/test/lisp/gnus/mm-decode-tests.el
@@ -1,6 +1,6 @@
 ;;; mm-decode-tests.el ---  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/gnus/mml-sec-tests.el b/test/lisp/gnus/mml-sec-tests.el
index f8ebf2f3a99..37e84c148af 100644
--- a/test/lisp/gnus/mml-sec-tests.el
+++ b/test/lisp/gnus/mml-sec-tests.el
@@ -1,6 +1,6 @@
 ;;; mml-sec-tests.el --- Tests mml-sec.el, see README-mml-secure.txt.  -*- lexical-binding:t -*-
-;; Copyright (C) 2015, 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015, 2020-2023 Free Software Foundation, Inc.
 ;; Author: Jens Lechtenbörger <jens.lechtenboerger@fsfe.org>
diff --git a/test/lisp/gnus/nnrss-tests.el b/test/lisp/gnus/nnrss-tests.el
index 47d208cb160..57ef8797475 100644
--- a/test/lisp/gnus/nnrss-tests.el
+++ b/test/lisp/gnus/nnrss-tests.el
@@ -1,6 +1,6 @@
 ;;; nnrss-tests.el --- tests for gnus/nnrss.el    -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/help-fns-tests.el b/test/lisp/help-fns-tests.el
index 7ff7aa1ccd7..4d715cde1d5 100644
--- a/test/lisp/help-fns-tests.el
+++ b/test/lisp/help-fns-tests.el
@@ -1,6 +1,6 @@
 ;;; help-fns-tests.el --- tests for help-fns.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/help-mode-tests.el b/test/lisp/help-mode-tests.el
index 04241f31383..30e944f6c80 100644
--- a/test/lisp/help-mode-tests.el
+++ b/test/lisp/help-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; help-mode-tests.el --- Tests for help-mode.el    -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/help-tests.el b/test/lisp/help-tests.el
index 0fcaacb6443..6c440f9e238 100644
--- a/test/lisp/help-tests.el
+++ b/test/lisp/help-tests.el
@@ -1,6 +1,6 @@
 ;;; help-tests.el --- Tests for help.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Juanma Barranquero <lekktu@gmail.com>
 ;;         Eli Zaretskii <eliz@gnu.org>
diff --git a/test/lisp/hfy-cmap-tests.el b/test/lisp/hfy-cmap-tests.el
index fa9c51df4c6..0d135aa8c36 100644
--- a/test/lisp/hfy-cmap-tests.el
+++ b/test/lisp/hfy-cmap-tests.el
@@ -1,6 +1,6 @@
 ;;; hfy-cmap-tests.el --- tests for hfy-cmap.el -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/hi-lock-tests.el b/test/lisp/hi-lock-tests.el
index 760b319a926..aeb08ecbb29 100644
--- a/test/lisp/hi-lock-tests.el
+++ b/test/lisp/hi-lock-tests.el
@@ -1,6 +1,6 @@
 ;;; hi-lock-tests.el --- Tests for hi-lock.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/hl-line-tests.el b/test/lisp/hl-line-tests.el
index 888351addac..56924ff8e3e 100644
--- a/test/lisp/hl-line-tests.el
+++ b/test/lisp/hl-line-tests.el
@@ -1,6 +1,6 @@
 ;;; hl-line-tests.el --- Test suite for hl-line. -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/htmlfontify-tests.el b/test/lisp/htmlfontify-tests.el
index 5c1f053066b..0a351f0a8a5 100644
--- a/test/lisp/htmlfontify-tests.el
+++ b/test/lisp/htmlfontify-tests.el
@@ -1,6 +1,6 @@
 ;;; htmlfontify-tests.el --- Test suite. -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/ibuffer-tests.el b/test/lisp/ibuffer-tests.el
index d54718e297a..83bfa1f68af 100644
--- a/test/lisp/ibuffer-tests.el
+++ b/test/lisp/ibuffer-tests.el
@@ -1,6 +1,6 @@
 ;;; ibuffer-tests.el --- Test suite. -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/ido-tests.el b/test/lisp/ido-tests.el
index 56ef6cde358..4f753479a06 100644
--- a/test/lisp/ido-tests.el
+++ b/test/lisp/ido-tests.el
@@ -1,6 +1,6 @@
 ;;; ido-tests.el --- unit tests for ido.el           -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/image-file-tests.el b/test/lisp/image-file-tests.el
index 59af6ba909a..d934867c1cb 100644
--- a/test/lisp/image-file-tests.el
+++ b/test/lisp/image-file-tests.el
@@ -1,6 +1,6 @@
 ;;; image-file-tests.el --- Test suite for image-files  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image-tests.el b/test/lisp/image-tests.el
index bc8c3636c3c..cb4821adefc 100644
--- a/test/lisp/image-tests.el
+++ b/test/lisp/image-tests.el
@@ -1,6 +1,6 @@
 ;;; image-tests.el --- tests for image.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image/exif-tests.el b/test/lisp/image/exif-tests.el
index d62eef4798d..f803565dd62 100644
--- a/test/lisp/image/exif-tests.el
+++ b/test/lisp/image/exif-tests.el
@@ -1,6 +1,6 @@
 ;;; exif-tests.el --- tests for exif.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image/gravatar-tests.el b/test/lisp/image/gravatar-tests.el
index 3b3a0ad4643..8965be13c5d 100644
--- a/test/lisp/image/gravatar-tests.el
+++ b/test/lisp/image/gravatar-tests.el
@@ -1,6 +1,6 @@
 ;;; gravatar-tests.el --- tests for gravatar.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image/image-dired-tests.el b/test/lisp/image/image-dired-tests.el
index 00df72487fd..8a4acf6bd88 100644
--- a/test/lisp/image/image-dired-tests.el
+++ b/test/lisp/image/image-dired-tests.el
@@ -1,6 +1,6 @@
 ;;; image-dired-tests.el --- Tests for image-dired.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image/image-dired-util-tests.el b/test/lisp/image/image-dired-util-tests.el
index 63d42f56dea..bd3d65bdd3a 100644
--- a/test/lisp/image/image-dired-util-tests.el
+++ b/test/lisp/image/image-dired-util-tests.el
@@ -1,6 +1,6 @@
 ;;; image-dired-util-tests.el --- Tests for image-dired.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/image/wallpaper-tests.el b/test/lisp/image/wallpaper-tests.el
index a5d3343bd4d..94b4d8b2dbb 100644
--- a/test/lisp/image/wallpaper-tests.el
+++ b/test/lisp/image/wallpaper-tests.el
@@ -1,6 +1,6 @@
 ;;; wallpaper-tests.el --- tests for wallpaper.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/imenu-tests.el b/test/lisp/imenu-tests.el
index 9667f0566c2..cc6fdd41005 100644
--- a/test/lisp/imenu-tests.el
+++ b/test/lisp/imenu-tests.el
@@ -1,6 +1,6 @@
 ;;; imenu-tests.el --- Test suite for imenu.  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Masatake YAMATO <yamato@redhat.com>
 ;; Keywords: tools convenience
diff --git a/test/lisp/info-tests.el b/test/lisp/info-tests.el
index 11ac25555de..9ab00b4b82b 100644
--- a/test/lisp/info-tests.el
+++ b/test/lisp/info-tests.el
@@ -1,6 +1,6 @@
 ;;; info-tests.el --- Tests for info.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/info-xref-tests.el b/test/lisp/info-xref-tests.el
index 117170ba338..0d98a242b7e 100644
--- a/test/lisp/info-xref-tests.el
+++ b/test/lisp/info-xref-tests.el
@@ -1,6 +1,6 @@
 ;;; info-xref-tests.el --- tests for info-xref.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/international/ccl-tests.el b/test/lisp/international/ccl-tests.el
index cf472415c7a..dfc090b3320 100644
--- a/test/lisp/international/ccl-tests.el
+++ b/test/lisp/international/ccl-tests.el
@@ -1,6 +1,6 @@
 ;;; ccl-tests.el --- unit tests for ccl.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/international/mule-tests.el b/test/lisp/international/mule-tests.el
index 94e864817f0..4f70b275848 100644
--- a/test/lisp/international/mule-tests.el
+++ b/test/lisp/international/mule-tests.el
@@ -1,6 +1,6 @@
 ;;; mule-tests.el --- unit tests for mule.el         -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/international/mule-util-tests.el b/test/lisp/international/mule-util-tests.el
index cf29e0e290e..848909985b2 100644
--- a/test/lisp/international/mule-util-tests.el
+++ b/test/lisp/international/mule-util-tests.el
@@ -1,6 +1,6 @@
 ;;; mule-util-tests.el --- tests for international/mule-util.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2002-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/international/textsec-tests.el b/test/lisp/international/textsec-tests.el
index 1f7fb97a6be..b9243cff875 100644
--- a/test/lisp/international/textsec-tests.el
+++ b/test/lisp/international/textsec-tests.el
@@ -1,6 +1,6 @@
 ;;; textsec-tests.el --- Tests for textsec.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/international/ucs-normalize-tests.el b/test/lisp/international/ucs-normalize-tests.el
index 380140308aa..97b8fa66cd3 100644
--- a/test/lisp/international/ucs-normalize-tests.el
+++ b/test/lisp/international/ucs-normalize-tests.el
@@ -1,6 +1,6 @@
 ;;; ucs-normalize-tests.el --- tests for international/ucs-normalize.el -*- lexical-binding: t -*-
-;; Copyright (C) 2002-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/isearch-tests.el b/test/lisp/isearch-tests.el
index 8cb5e5e4542..e71f0a5785f 100644
--- a/test/lisp/isearch-tests.el
+++ b/test/lisp/isearch-tests.el
@@ -1,6 +1,6 @@
 ;;; isearch-tests.el --- Tests for isearch.el        -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
diff --git a/test/lisp/jit-lock-tests.el b/test/lisp/jit-lock-tests.el
index 190825d325e..6944068828a 100644
--- a/test/lisp/jit-lock-tests.el
+++ b/test/lisp/jit-lock-tests.el
@@ -1,6 +1,6 @@
 ;;; jit-lock-tests.el --- tests for jit-lock  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Dmitry Gutov <dgutov@yandex.ru>
diff --git a/test/lisp/json-tests.el b/test/lisp/json-tests.el
index ab1f19fb6e7..92edb6e13f1 100644
--- a/test/lisp/json-tests.el
+++ b/test/lisp/json-tests.el
@@ -1,6 +1,6 @@
 ;;; json-tests.el --- Test suite for json.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Dmitry Gutov <dgutov@yandex.ru>
diff --git a/test/lisp/jsonrpc-tests.el b/test/lisp/jsonrpc-tests.el
index e02cb154235..a595167d130 100644
--- a/test/lisp/jsonrpc-tests.el
+++ b/test/lisp/jsonrpc-tests.el
@@ -1,6 +1,6 @@
 ;;; jsonrpc-tests.el --- tests for jsonrpc.el        -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: João Távora <joaotavora@gmail.com>
 ;; Keywords: tests
diff --git a/test/lisp/kmacro-tests.el b/test/lisp/kmacro-tests.el
index 75d700070aa..551fd8b60fc 100644
--- a/test/lisp/kmacro-tests.el
+++ b/test/lisp/kmacro-tests.el
@@ -1,6 +1,6 @@
 ;;; kmacro-tests.el --- Tests for kmacro.el       -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell <gazally@runbox.com>
diff --git a/test/lisp/loadhist-resources/loadhist--bar.el b/test/lisp/loadhist-resources/loadhist--bar.el
index 94e82c1b189..882d073ab56 100644
--- a/test/lisp/loadhist-resources/loadhist--bar.el
+++ b/test/lisp/loadhist-resources/loadhist--bar.el
@@ -1,6 +1,6 @@
 ;;; loadhist--bar.el --- Dummy package for loadhist-tests  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022  Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/loadhist-resources/loadhist--foo.el b/test/lisp/loadhist-resources/loadhist--foo.el
index 8d48c3683d2..239066b6def 100644
--- a/test/lisp/loadhist-resources/loadhist--foo.el
+++ b/test/lisp/loadhist-resources/loadhist--foo.el
@@ -1,6 +1,6 @@
 ;;; loadhist--foo.el --- Dummy package for loadhist-tests  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022  Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
diff --git a/test/lisp/loadhist-tests.el b/test/lisp/loadhist-tests.el
index ef5fc164d34..28f6607d95c 100644
--- a/test/lisp/loadhist-tests.el
+++ b/test/lisp/loadhist-tests.el
@@ -1,6 +1,6 @@
 ;;; loadhist-tests.el --- Tests for loadhist.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/lpr-tests.el b/test/lisp/lpr-tests.el
index 8e8179446d6..382b3ae905f 100644
--- a/test/lisp/lpr-tests.el
+++ b/test/lisp/lpr-tests.el
@@ -1,6 +1,6 @@
 ;;; lpr-tests.el --- Tests for lpr.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/ls-lisp-tests.el b/test/lisp/ls-lisp-tests.el
index 39843defc2e..8c6262819c4 100644
--- a/test/lisp/ls-lisp-tests.el
+++ b/test/lisp/ls-lisp-tests.el
@@ -1,6 +1,6 @@
 ;;; ls-lisp-tests.el --- tests for ls-lisp.el  -*- lexical-binding: t-*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/mail/flow-fill-tests.el b/test/lisp/mail/flow-fill-tests.el
index 8436a9627a8..f6e92199814 100644
--- a/test/lisp/mail/flow-fill-tests.el
+++ b/test/lisp/mail/flow-fill-tests.el
@@ -1,6 +1,6 @@
 ;;; flow-fill-tests.el --- Tests for flow-fill.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/footnote-tests.el b/test/lisp/mail/footnote-tests.el
index f3a35e3dfc6..1415d2944a7 100644
--- a/test/lisp/mail/footnote-tests.el
+++ b/test/lisp/mail/footnote-tests.el
@@ -1,6 +1,6 @@
 ;;; footnote-tests.el --- Tests for footnote-mode    -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/mail/ietf-drums-date-tests.el b/test/lisp/mail/ietf-drums-date-tests.el
index 781d72d3529..822b5bd041d 100644
--- a/test/lisp/mail/ietf-drums-date-tests.el
+++ b/test/lisp/mail/ietf-drums-date-tests.el
@@ -1,6 +1,6 @@
 ;;; ietf-drums-date-tests.el --- Test suite for ietf-drums-date.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Bob Rogers <rogers@rgrjr.com>
diff --git a/test/lisp/mail/ietf-drums-tests.el b/test/lisp/mail/ietf-drums-tests.el
index b13937bf736..c55c5467f60 100644
--- a/test/lisp/mail/ietf-drums-tests.el
+++ b/test/lisp/mail/ietf-drums-tests.el
@@ -1,6 +1,6 @@
 ;;; ietf-drums-tests.el --- Test suite for ietf-drums.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; Author: Bob Rogers <rogers@rgrjr.com>
diff --git a/test/lisp/mail/mail-extr-tests.el b/test/lisp/mail/mail-extr-tests.el
index a8f0c605cb0..1013b9e2058 100644
--- a/test/lisp/mail/mail-extr-tests.el
+++ b/test/lisp/mail/mail-extr-tests.el
@@ -1,6 +1,6 @@
 ;;; mail-extr-tests.el --- Tests for mail-extr.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/mail-parse-tests.el b/test/lisp/mail/mail-parse-tests.el
index f5e6f1fb034..c4abbaa93ca 100644
--- a/test/lisp/mail/mail-parse-tests.el
+++ b/test/lisp/mail/mail-parse-tests.el
@@ -1,6 +1,6 @@
 ;;; mail-parse-tests.el --- tests for mail-parse.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/mail-utils-tests.el b/test/lisp/mail/mail-utils-tests.el
index 29a9b9eeb96..3bf5f2065e1 100644
--- a/test/lisp/mail/mail-utils-tests.el
+++ b/test/lisp/mail/mail-utils-tests.el
@@ -1,6 +1,6 @@
 ;;; mail-utils-tests.el --- tests for mail-utils.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/mail/qp-tests.el b/test/lisp/mail/qp-tests.el
index e8e58063b9c..9f0857a0ba6 100644
--- a/test/lisp/mail/qp-tests.el
+++ b/test/lisp/mail/qp-tests.el
@@ -1,6 +1,6 @@
 ;;; qp-tests.el --- Tests for qp.el  -*- lexical-binding:t; coding:utf-8 -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/mail/rfc2045-tests.el b/test/lisp/mail/rfc2045-tests.el
index c65a0011c70..0982e057609 100644
--- a/test/lisp/mail/rfc2045-tests.el
+++ b/test/lisp/mail/rfc2045-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc2045-tests.el --- Tests for rfc2045.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/mail/rfc2047-tests.el b/test/lisp/mail/rfc2047-tests.el
index 6e50ce2f320..3ce3bc10614 100644
--- a/test/lisp/mail/rfc2047-tests.el
+++ b/test/lisp/mail/rfc2047-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc2047-tests.el --- tests for rfc2047.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/rfc6068-tests.el b/test/lisp/mail/rfc6068-tests.el
index 0efbb68cc2f..6b7de3dfedd 100644
--- a/test/lisp/mail/rfc6068-tests.el
+++ b/test/lisp/mail/rfc6068-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc6068-tests.el --- Tests for rfc6068.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/rfc822-tests.el b/test/lisp/mail/rfc822-tests.el
index ff29dac4277..53175fef079 100644
--- a/test/lisp/mail/rfc822-tests.el
+++ b/test/lisp/mail/rfc822-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc822-tests.el --- Tests for rfc822.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/rmail-tests.el b/test/lisp/mail/rmail-tests.el
index 44394cd52ed..ae810c2e8df 100644
--- a/test/lisp/mail/rmail-tests.el
+++ b/test/lisp/mail/rmail-tests.el
@@ -1,6 +1,6 @@
 ;;; rmail-tests.el --- Test suite. -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/rmailmm-tests.el b/test/lisp/mail/rmailmm-tests.el
index 5d1ac6d6306..0daaf2954dd 100644
--- a/test/lisp/mail/rmailmm-tests.el
+++ b/test/lisp/mail/rmailmm-tests.el
@@ -1,6 +1,6 @@
 ;;; rmailmm-tests.el --- Tests for rmailmm.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2006-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/undigest-tests.el b/test/lisp/mail/undigest-tests.el
index d52c9f9c5ab..4fe65258b1e 100644
--- a/test/lisp/mail/undigest-tests.el
+++ b/test/lisp/mail/undigest-tests.el
@@ -1,6 +1,6 @@
 ;;; undigest-tests.el --- Tests for undigest.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mail/uudecode-tests.el b/test/lisp/mail/uudecode-tests.el
index 7946e99dbc9..6cfbc5e1b53 100644
--- a/test/lisp/mail/uudecode-tests.el
+++ b/test/lisp/mail/uudecode-tests.el
@@ -1,6 +1,6 @@
 ;;; uudecode-tests.el --- Tests for uudecode.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/man-tests.el b/test/lisp/man-tests.el
index 82714f15668..e3657d7df8a 100644
--- a/test/lisp/man-tests.el
+++ b/test/lisp/man-tests.el
@@ -1,6 +1,6 @@
 ;;; man-tests.el --- Test suite for man.  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Wolfgang Jenkner <wjenkner@inode.at>
 ;; Keywords: help, internal, unix
diff --git a/test/lisp/md4-tests.el b/test/lisp/md4-tests.el
index d1f227cb90a..50d1a7feabc 100644
--- a/test/lisp/md4-tests.el
+++ b/test/lisp/md4-tests.el
@@ -1,6 +1,6 @@
 ;;; md4-tests.el --- tests for md4.el -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Mark Oteiza <mvoteiza@udel.edu>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/mh-e/mh-limit-tests.el b/test/lisp/mh-e/mh-limit-tests.el
index 5aedb890546..1fab3e1d9cc 100644
--- a/test/lisp/mh-e/mh-limit-tests.el
+++ b/test/lisp/mh-e/mh-limit-tests.el
@@ -1,6 +1,6 @@
 ;;; mh-limit-tests.el --- tests for mh-limit.el -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mh-e/mh-thread-tests.el b/test/lisp/mh-e/mh-thread-tests.el
index ea8d441e2d1..3cc21f45ab9 100644
--- a/test/lisp/mh-e/mh-thread-tests.el
+++ b/test/lisp/mh-e/mh-thread-tests.el
@@ -1,6 +1,6 @@
 ;;; mh-thread-tests.el --- tests for mh-thread.el -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mh-e/mh-utils-tests.el b/test/lisp/mh-e/mh-utils-tests.el
index 72ee2fc4745..25be86070b8 100644
--- a/test/lisp/mh-e/mh-utils-tests.el
+++ b/test/lisp/mh-e/mh-utils-tests.el
@@ -1,6 +1,6 @@
 ;;; mh-utils-tests.el --- tests for mh-utils.el -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mh-e/mh-xface-tests.el b/test/lisp/mh-e/mh-xface-tests.el
index 6c9c7ea1bf1..0630c018f60 100644
--- a/test/lisp/mh-e/mh-xface-tests.el
+++ b/test/lisp/mh-e/mh-xface-tests.el
@@ -1,6 +1,6 @@
 ;;; mh-xface-tests.el --- tests for mh-xface.el -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/mh-e/test-all-mh-variants.sh b/test/lisp/mh-e/test-all-mh-variants.sh
index 3789a5fdedc..5e6b26fd2ec 100755
--- a/test/lisp/mh-e/test-all-mh-variants.sh
+++ b/test/lisp/mh-e/test-all-mh-variants.sh
@@ -1,7 +1,7 @@
 #! /bin/bash
 # Run the mh-utils-tests against all MH variants found on this system.
-# Copyright (C) 2021-2022 Free Software Foundation, Inc.
+# Copyright (C) 2021-2023 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
diff --git a/test/lisp/minibuffer-tests.el b/test/lisp/minibuffer-tests.el
index ec93c8f42a5..1de8e56cbd4 100644
--- a/test/lisp/minibuffer-tests.el
+++ b/test/lisp/minibuffer-tests.el
@@ -1,6 +1,6 @@
 ;;; minibuffer-tests.el --- Tests for completion functions  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/misc-tests.el b/test/lisp/misc-tests.el
index f84827ab025..f1d22e099b9 100644
--- a/test/lisp/misc-tests.el
+++ b/test/lisp/misc-tests.el
@@ -1,6 +1,6 @@
 ;;; misc-tests.el --- Tests for misc.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/mouse-tests.el b/test/lisp/mouse-tests.el
index 03ecbc19858..2af6cac6325 100644
--- a/test/lisp/mouse-tests.el
+++ b/test/lisp/mouse-tests.el
@@ -1,6 +1,6 @@
 ;;; mouse-tests.el --- unit tests for mouse.el       -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/mwheel-tests.el b/test/lisp/mwheel-tests.el
index 947dfdbb5e8..3255b5de200 100644
--- a/test/lisp/mwheel-tests.el
+++ b/test/lisp/mwheel-tests.el
@@ -1,6 +1,6 @@
 ;;; mwheel-tests.el --- tests for mwheel.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/browse-url-tests.el b/test/lisp/net/browse-url-tests.el
index dc819768211..0fe2fa788b9 100644
--- a/test/lisp/net/browse-url-tests.el
+++ b/test/lisp/net/browse-url-tests.el
@@ -1,6 +1,6 @@
 ;;; browse-url-tests.el --- Tests for browse-url.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/net/dbus-tests.el b/test/lisp/net/dbus-tests.el
index c808e6350ea..418ae61bb42 100644
--- a/test/lisp/net/dbus-tests.el
+++ b/test/lisp/net/dbus-tests.el
@@ -1,6 +1,6 @@
 ;;; dbus-tests.el --- Tests of D-Bus integration into Emacs  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/net/dig-tests.el b/test/lisp/net/dig-tests.el
index c3bdc43d3fd..b264fd40ae1 100644
--- a/test/lisp/net/dig-tests.el
+++ b/test/lisp/net/dig-tests.el
@@ -1,6 +1,6 @@
 ;;; dig-tests.el --- Tests for dig.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/eudc-tests.el b/test/lisp/net/eudc-tests.el
index 0da51b7c36e..431d7c46231 100644
--- a/test/lisp/net/eudc-tests.el
+++ b/test/lisp/net/eudc-tests.el
@@ -1,6 +1,6 @@
 ;;; eudc-tests.el --- tests for eudc.el -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/gnutls-tests.el b/test/lisp/net/gnutls-tests.el
index f14ee20a302..cb911577385 100644
--- a/test/lisp/net/gnutls-tests.el
+++ b/test/lisp/net/gnutls-tests.el
@@ -1,6 +1,6 @@
 ;;; gnutls-tests.el --- Test suite for gnutls.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Ted Zlatanov <tzz@lifelogs.com>
diff --git a/test/lisp/net/hmac-md5-tests.el b/test/lisp/net/hmac-md5-tests.el
index 09bbb8015e9..0caa6c46952 100644
--- a/test/lisp/net/hmac-md5-tests.el
+++ b/test/lisp/net/hmac-md5-tests.el
@@ -1,6 +1,6 @@
 ;;; hmac-md5-tests.el --- Tests for hmac-md5.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/mailcap-tests.el b/test/lisp/net/mailcap-tests.el
index 04462dbc8ba..e47ead98f42 100644
--- a/test/lisp/net/mailcap-tests.el
+++ b/test/lisp/net/mailcap-tests.el
@@ -1,6 +1,6 @@
 ;;; mailcap-tests.el --- tests for mailcap.el -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Mark Oteiza <mvoteiza@udel.edu>
diff --git a/test/lisp/net/network-stream-tests.el b/test/lisp/net/network-stream-tests.el
index 1bdc35da195..0fd9549c305 100644
--- a/test/lisp/net/network-stream-tests.el
+++ b/test/lisp/net/network-stream-tests.el
@@ -1,6 +1,6 @@
 ;;; network-stream-tests.el --- tests for network processes       -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/lisp/net/newsticker-tests.el b/test/lisp/net/newsticker-tests.el
index 2dc92566a61..3ed4b7b1dd5 100644
--- a/test/lisp/net/newsticker-tests.el
+++ b/test/lisp/net/newsticker-tests.el
@@ -1,6 +1,6 @@
 ;;; newsticker-tests.el --- Test suite for newsticker.  -*- lexical-binding:t -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author:      Ulf Jasper <ulf.jasper@web.de>
 ;; Keywords:    News, RSS, Atom
diff --git a/test/lisp/net/nsm-tests.el b/test/lisp/net/nsm-tests.el
index e0536320cc9..391015dae9a 100644
--- a/test/lisp/net/nsm-tests.el
+++ b/test/lisp/net/nsm-tests.el
@@ -1,6 +1,6 @@
 ;;; nsm-tests.el --- tests for network security manager  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Robert Pluim <rpluim@gmail.com>
diff --git a/test/lisp/net/ntlm-tests.el b/test/lisp/net/ntlm-tests.el
index a02d97f19a8..625c5e902bb 100644
--- a/test/lisp/net/ntlm-tests.el
+++ b/test/lisp/net/ntlm-tests.el
@@ -1,6 +1,6 @@
 ;;; ntlm-tests.el --- tests for ntlm.el            -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/puny-tests.el b/test/lisp/net/puny-tests.el
index 1b0cf56895e..48d03791853 100644
--- a/test/lisp/net/puny-tests.el
+++ b/test/lisp/net/puny-tests.el
@@ -1,6 +1,6 @@
 ;;; puny-tests.el --- tests for net/puny.el  -*- coding: utf-8; lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/rcirc-tests.el b/test/lisp/net/rcirc-tests.el
index 0ba4f2b86e5..0a49951b410 100644
--- a/test/lisp/net/rcirc-tests.el
+++ b/test/lisp/net/rcirc-tests.el
@@ -1,6 +1,6 @@
 ;;; rcirc-tests.el --- Tests for rcirc -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/net/rfc2104-tests.el b/test/lisp/net/rfc2104-tests.el
index 9cce2aa4b35..713a08d6dde 100644
--- a/test/lisp/net/rfc2104-tests.el
+++ b/test/lisp/net/rfc2104-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc2104-tests.el --- Tests of RFC2104 hashes  -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/lisp/net/sasl-cram-tests.el b/test/lisp/net/sasl-cram-tests.el
index e8dbeca0908..be703685fc3 100644
--- a/test/lisp/net/sasl-cram-tests.el
+++ b/test/lisp/net/sasl-cram-tests.el
@@ -1,6 +1,6 @@
 ;;; sasl-cram-tests.el --- tests for sasl-cram.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/net/sasl-scram-rfc-tests.el b/test/lisp/net/sasl-scram-rfc-tests.el
index b61b437c75a..8b624f9123f 100644
--- a/test/lisp/net/sasl-scram-rfc-tests.el
+++ b/test/lisp/net/sasl-scram-rfc-tests.el
@@ -1,6 +1,6 @@
 ;;; sasl-scram-rfc-tests.el --- tests for SCRAM       -*- lexical-binding: t; -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Magnus Henoch <magnus.henoch@gmail.com>
diff --git a/test/lisp/net/sasl-tests.el b/test/lisp/net/sasl-tests.el
index f0e99e8f09e..2abbfd559f0 100644
--- a/test/lisp/net/sasl-tests.el
+++ b/test/lisp/net/sasl-tests.el
@@ -1,6 +1,6 @@
 ;;; sasl-tests.el --- tests for sasl.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/net/secrets-tests.el b/test/lisp/net/secrets-tests.el
index 7e66774701c..6307390aad5 100644
--- a/test/lisp/net/secrets-tests.el
+++ b/test/lisp/net/secrets-tests.el
@@ -1,6 +1,6 @@
 ;;; secrets-tests.el --- Tests of Secret Service API -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/net/shr-tests.el b/test/lisp/net/shr-tests.el
index 2254f9bc860..64ed070f851 100644
--- a/test/lisp/net/shr-tests.el
+++ b/test/lisp/net/shr-tests.el
@@ -1,6 +1,6 @@
 ;;; shr-tests.el --- tests for shr.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/lisp/net/socks-tests.el b/test/lisp/net/socks-tests.el
index 461796bdf99..958e2ff44a8 100644
--- a/test/lisp/net/socks-tests.el
+++ b/test/lisp/net/socks-tests.el
@@ -1,6 +1,6 @@
 ;;; socks-tests.el --- tests for SOCKS -*- coding: utf-8; lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/net/tramp-archive-tests.el b/test/lisp/net/tramp-archive-tests.el
index d9eafc47ad7..96c1e78e37a 100644
--- a/test/lisp/net/tramp-archive-tests.el
+++ b/test/lisp/net/tramp-archive-tests.el
@@ -1,6 +1,6 @@
 ;;; tramp-archive-tests.el --- Tests of file archive access  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 50b0e948e49..6fb9fa1fae9 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -1,6 +1,6 @@
 ;;; tramp-tests.el --- Tests of remote file access  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/net/webjump-tests.el b/test/lisp/net/webjump-tests.el
index 457e4659914..42fa346a869 100644
--- a/test/lisp/net/webjump-tests.el
+++ b/test/lisp/net/webjump-tests.el
@@ -1,6 +1,6 @@
 ;;; webjump-tests.el --- Tests for webjump.el        -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/newcomment-tests.el b/test/lisp/newcomment-tests.el
index a4e28471411..cb0f304c463 100644
--- a/test/lisp/newcomment-tests.el
+++ b/test/lisp/newcomment-tests.el
@@ -1,6 +1,6 @@
 ;;; newcomment-tests.el --- Tests for newcomment.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/nxml/nxml-mode-tests.el b/test/lisp/nxml/nxml-mode-tests.el
index 04346e0f4f9..973f2ebb67e 100644
--- a/test/lisp/nxml/nxml-mode-tests.el
+++ b/test/lisp/nxml/nxml-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; nxml-mode-tests.el --- Test NXML Mode -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/nxml/xsd-regexp-tests.el b/test/lisp/nxml/xsd-regexp-tests.el
index bd43889a5ae..6258e6c0fb0 100644
--- a/test/lisp/nxml/xsd-regexp-tests.el
+++ b/test/lisp/nxml/xsd-regexp-tests.el
@@ -1,6 +1,6 @@
 ;;; xsd-regexp-tests.el --- Test NXML Mode -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/obarray-tests.el b/test/lisp/obarray-tests.el
index f34109af242..1831dc07a6d 100644
--- a/test/lisp/obarray-tests.el
+++ b/test/lisp/obarray-tests.el
@@ -1,6 +1,6 @@
 ;;; obarray-tests.el --- Tests for obarray -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Przemysław Wojnowski <esperanto@cumego.com>
diff --git a/test/lisp/obsolete/cl-tests.el b/test/lisp/obsolete/cl-tests.el
index 5a701a1e550..f52c4749c9a 100644
--- a/test/lisp/obsolete/cl-tests.el
+++ b/test/lisp/obsolete/cl-tests.el
@@ -1,6 +1,6 @@
 ;;; cl-tests.el --- tests for emacs-lisp/cl.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/obsolete/inversion-tests.el b/test/lisp/obsolete/inversion-tests.el
index 8af91d7d147..728362eae0e 100644
--- a/test/lisp/obsolete/inversion-tests.el
+++ b/test/lisp/obsolete/inversion-tests.el
@@ -1,6 +1,6 @@
 ;;; inversion-tests.el --- Tests for inversion.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/lisp/obsolete/makesum-tests.el b/test/lisp/obsolete/makesum-tests.el
index e5317be847b..280a43f77d5 100644
--- a/test/lisp/obsolete/makesum-tests.el
+++ b/test/lisp/obsolete/makesum-tests.el
@@ -1,6 +1,6 @@
 ;;; makesum-tests.el --- Tests for makesum.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/obsolete/rfc2368-tests.el b/test/lisp/obsolete/rfc2368-tests.el
index 28fac3785cd..a7f80a689f8 100644
--- a/test/lisp/obsolete/rfc2368-tests.el
+++ b/test/lisp/obsolete/rfc2368-tests.el
@@ -1,6 +1,6 @@
 ;;; rfc2368-tests.el --- Tests for rfc2368.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/obsolete/thumbs-tests.el b/test/lisp/obsolete/thumbs-tests.el
index a8972394fa5..87f8227c978 100644
--- a/test/lisp/obsolete/thumbs-tests.el
+++ b/test/lisp/obsolete/thumbs-tests.el
@@ -1,6 +1,6 @@
 ;;; thumbs-tests.el --- tests for thumbs.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/org/org-tests.el b/test/lisp/org/org-tests.el
index 91c8ffc48de..a498164f2f4 100644
--- a/test/lisp/org/org-tests.el
+++ b/test/lisp/org/org-tests.el
@@ -1,6 +1,6 @@
 ;;; org-tests.el --- tests for org/org.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/paren-tests.el b/test/lisp/paren-tests.el
index baf5590cb94..5e8b906a37f 100644
--- a/test/lisp/paren-tests.el
+++ b/test/lisp/paren-tests.el
@@ -1,6 +1,6 @@
 ;;; paren-tests.el --- Tests for paren.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/password-cache-tests.el b/test/lisp/password-cache-tests.el
index ca760c2fb3c..45d2ec76f7b 100644
--- a/test/lisp/password-cache-tests.el
+++ b/test/lisp/password-cache-tests.el
@@ -1,6 +1,6 @@
 ;;; password-cache-tests.el --- Tests for password-cache.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/pcmpl-linux-tests.el b/test/lisp/pcmpl-linux-tests.el
index a02c535fd5a..eaceb216d38 100644
--- a/test/lisp/pcmpl-linux-tests.el
+++ b/test/lisp/pcmpl-linux-tests.el
@@ -1,6 +1,6 @@
 ;;; pcmpl-linux-tests.el --- Tests for pcmpl-linux.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/pcomplete-tests.el b/test/lisp/pcomplete-tests.el
index 00a82502f30..805a645198a 100644
--- a/test/lisp/pcomplete-tests.el
+++ b/test/lisp/pcomplete-tests.el
@@ -1,6 +1,6 @@
 ;;; pcomplete-tests.el --- Tests for pcomplete.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/play/animate-tests.el b/test/lisp/play/animate-tests.el
index 1c7bb0f0819..a11ac6f1730 100644
--- a/test/lisp/play/animate-tests.el
+++ b/test/lisp/play/animate-tests.el
@@ -1,6 +1,6 @@
 ;;; animate-tests.el --- Tests for animate.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/play/cookie1-tests.el b/test/lisp/play/cookie1-tests.el
index 5f3ad6d8f8c..0432ffb0f7e 100644
--- a/test/lisp/play/cookie1-tests.el
+++ b/test/lisp/play/cookie1-tests.el
@@ -1,6 +1,6 @@
 ;;; cookie1-tests.el --- Tests for cookie1.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/play/dissociate-tests.el b/test/lisp/play/dissociate-tests.el
index 7af7e425c47..7bc15bb9827 100644
--- a/test/lisp/play/dissociate-tests.el
+++ b/test/lisp/play/dissociate-tests.el
@@ -1,6 +1,6 @@
 ;;; dissociate-tests.el --- Tests for dissociate.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/play/fortune-tests.el b/test/lisp/play/fortune-tests.el
index b79b1f27010..5f0ee6d0d6a 100644
--- a/test/lisp/play/fortune-tests.el
+++ b/test/lisp/play/fortune-tests.el
@@ -1,6 +1,6 @@
 ;;; fortune-tests.el --- Tests for fortune.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/play/life-tests.el b/test/lisp/play/life-tests.el
index c1dcc9d40f5..98ab11a886a 100644
--- a/test/lisp/play/life-tests.el
+++ b/test/lisp/play/life-tests.el
@@ -1,6 +1,6 @@
 ;;; life-tests.el --- Tests for life.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/play/morse-tests.el b/test/lisp/play/morse-tests.el
index 82ac9101005..3fe4c9335c2 100644
--- a/test/lisp/play/morse-tests.el
+++ b/test/lisp/play/morse-tests.el
@@ -1,6 +1,6 @@
 ;;; morse-tests.el --- Tests for morse.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/play/studly-tests.el b/test/lisp/play/studly-tests.el
index ea241bfbe8d..c563023ad12 100644
--- a/test/lisp/play/studly-tests.el
+++ b/test/lisp/play/studly-tests.el
@@ -1,6 +1,6 @@
 ;;; studly-tests.el --- Tests for studly.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/progmodes/asm-mode-tests.el b/test/lisp/progmodes/asm-mode-tests.el
index e321224c543..f4191493b27 100644
--- a/test/lisp/progmodes/asm-mode-tests.el
+++ b/test/lisp/progmodes/asm-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; asm-mode-tests.el --- Tests for asm-mode.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/progmodes/autoconf-tests.el b/test/lisp/progmodes/autoconf-tests.el
index 7c609f3c2a7..3b67e6483d9 100644
--- a/test/lisp/progmodes/autoconf-tests.el
+++ b/test/lisp/progmodes/autoconf-tests.el
@@ -1,6 +1,6 @@
 ;;; autoconf-tests.el --- Tests for autoconf.el      -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/progmodes/bat-mode-tests.el b/test/lisp/progmodes/bat-mode-tests.el
index 5ef4158ec94..8b80956c9af 100644
--- a/test/lisp/progmodes/bat-mode-tests.el
+++ b/test/lisp/progmodes/bat-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; bat-mode-tests.el --- Tests for bat-mode.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Vladimir Panteleev <vladimir@thecybershadow.net>
 ;; Keywords:
diff --git a/test/lisp/progmodes/bug-reference-tests.el b/test/lisp/progmodes/bug-reference-tests.el
index fa06d7a1cd0..790582aed4c 100644
--- a/test/lisp/progmodes/bug-reference-tests.el
+++ b/test/lisp/progmodes/bug-reference-tests.el
@@ -1,6 +1,6 @@
 ;;; bug-reference-tests.el --- Tests for bug-reference.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/cc-mode-tests.el b/test/lisp/progmodes/cc-mode-tests.el
index 2220721ccf6..7158b8f9e45 100644
--- a/test/lisp/progmodes/cc-mode-tests.el
+++ b/test/lisp/progmodes/cc-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; cc-mode-tests.el --- Test suite for cc-mode.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Michal Nazarewicz <mina86@mina86.com>
 ;; Keywords:       internal
diff --git a/test/lisp/progmodes/compile-tests.el b/test/lisp/progmodes/compile-tests.el
index 36bdbe4c91b..53dc7f2a133 100644
--- a/test/lisp/progmodes/compile-tests.el
+++ b/test/lisp/progmodes/compile-tests.el
@@ -1,6 +1,6 @@
 ;;; compile-tests.el --- Test suite for compile.el.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Chong Yidong <cyd@stupidchicken.com>
 ;; Keywords:       internal
diff --git a/test/lisp/progmodes/cperl-mode-tests.el b/test/lisp/progmodes/cperl-mode-tests.el
index 96615c19383..9bd250a38b5 100644
--- a/test/lisp/progmodes/cperl-mode-tests.el
+++ b/test/lisp/progmodes/cperl-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; cperl-mode-tests.el --- Test for cperl-mode  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Harald Jörg <haj@posteo.de>
 ;; Maintainer: Harald Jörg
diff --git a/test/lisp/progmodes/eglot-tests.el b/test/lisp/progmodes/eglot-tests.el
index d8c9560f5bd..4b6528351b2 100644
--- a/test/lisp/progmodes/eglot-tests.el
+++ b/test/lisp/progmodes/eglot-tests.el
@@ -1,6 +1,6 @@
 ;;; eglot-tests.el --- Tests for eglot.el            -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: João Távora <joaotavora@gmail.com>
 ;; Keywords: tests
diff --git a/test/lisp/progmodes/elisp-mode-tests.el b/test/lisp/progmodes/elisp-mode-tests.el
index e73be0db504..57b39a49801 100644
--- a/test/lisp/progmodes/elisp-mode-tests.el
+++ b/test/lisp/progmodes/elisp-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; elisp-mode-tests.el --- Tests for emacs-lisp-mode  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Dmitry Gutov <dgutov@yandex.ru>
 ;; Author: Stephen Leake <stephen_leake@member.fsf.org>
diff --git a/test/lisp/progmodes/etags-tests.el b/test/lisp/progmodes/etags-tests.el
index 673c582cc7a..2e1a73d977e 100644
--- a/test/lisp/progmodes/etags-tests.el
+++ b/test/lisp/progmodes/etags-tests.el
@@ -1,6 +1,6 @@
 ;;; etags-tests.el --- Test suite for etags.el.  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Eli Zaretskii <eliz@gnu.org>
diff --git a/test/lisp/progmodes/executable-tests.el b/test/lisp/progmodes/executable-tests.el
index 6988fef87de..406762fe4de 100644
--- a/test/lisp/progmodes/executable-tests.el
+++ b/test/lisp/progmodes/executable-tests.el
@@ -1,6 +1,6 @@
 ;;; executable-tests.el --- Tests for executable.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/f90-tests.el b/test/lisp/progmodes/f90-tests.el
index b857a25bf2a..6028b58bb9e 100644
--- a/test/lisp/progmodes/f90-tests.el
+++ b/test/lisp/progmodes/f90-tests.el
@@ -1,6 +1,6 @@
 ;;; f90-tests.el --- tests for progmodes/f90.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Glenn Morris <rgm@gnu.org>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/progmodes/flymake-tests.el b/test/lisp/progmodes/flymake-tests.el
index 71b03b21e5c..f6608dffca2 100644
--- a/test/lisp/progmodes/flymake-tests.el
+++ b/test/lisp/progmodes/flymake-tests.el
@@ -1,6 +1,6 @@
 ;;; flymake-tests.el --- Test suite for flymake -*- lexical-binding: t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Eduard Wiebe <usenet@pusto.de>
diff --git a/test/lisp/progmodes/gdb-mi-tests.el b/test/lisp/progmodes/gdb-mi-tests.el
index b91eab77057..b75de1a9d45 100644
--- a/test/lisp/progmodes/gdb-mi-tests.el
+++ b/test/lisp/progmodes/gdb-mi-tests.el
@@ -1,6 +1,6 @@
 ;;; gdb-mi-tests.el --- tests for gdb-mi.el    -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/glasses-tests.el b/test/lisp/progmodes/glasses-tests.el
index 915fb60d3c8..a577d9a46d8 100644
--- a/test/lisp/progmodes/glasses-tests.el
+++ b/test/lisp/progmodes/glasses-tests.el
@@ -1,6 +1,6 @@
 ;;; glasses-tests.el --- Tests for glasses.el        -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/progmodes/grep-tests.el b/test/lisp/progmodes/grep-tests.el
index 101052c5adc..39307999d6d 100644
--- a/test/lisp/progmodes/grep-tests.el
+++ b/test/lisp/progmodes/grep-tests.el
@@ -1,6 +1,6 @@
 ;;; grep-tests.el --- Test suite for grep.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/hideshow-tests.el b/test/lisp/progmodes/hideshow-tests.el
index 22d73fb3c46..ce3efb6dc95 100644
--- a/test/lisp/progmodes/hideshow-tests.el
+++ b/test/lisp/progmodes/hideshow-tests.el
@@ -1,6 +1,6 @@
 ;;; hideshow-tests.el --- Test suite for hideshow.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/js-tests.el b/test/lisp/progmodes/js-tests.el
index 2ce9db65d47..00fa78e8891 100644
--- a/test/lisp/progmodes/js-tests.el
+++ b/test/lisp/progmodes/js-tests.el
@@ -1,6 +1,6 @@
 ;;; js-tests.el --- Test suite for js-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/octave-tests.el b/test/lisp/progmodes/octave-tests.el
index 76dd5c9e5f7..bb7e3cd6531 100644
--- a/test/lisp/progmodes/octave-tests.el
+++ b/test/lisp/progmodes/octave-tests.el
@@ -1,6 +1,6 @@
 ;;; octave-tests.el --- Test suite for octave.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/opascal-tests.el b/test/lisp/progmodes/opascal-tests.el
index cf6bd376142..25eb2b4c1cd 100644
--- a/test/lisp/progmodes/opascal-tests.el
+++ b/test/lisp/progmodes/opascal-tests.el
@@ -1,6 +1,6 @@
 ;;; opascal-tests.el --- tests for opascal.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/pascal-tests.el b/test/lisp/progmodes/pascal-tests.el
index fb9b52fb864..db14a320a70 100644
--- a/test/lisp/progmodes/pascal-tests.el
+++ b/test/lisp/progmodes/pascal-tests.el
@@ -1,6 +1,6 @@
 ;;; pascal-tests.el --- tests for pascal.el    -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/perl-mode-tests.el b/test/lisp/progmodes/perl-mode-tests.el
index 91f1db23d62..3757ac25547 100644
--- a/test/lisp/progmodes/perl-mode-tests.el
+++ b/test/lisp/progmodes/perl-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; perl-mode-tests.el --- Test for perl-mode  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/project-tests.el b/test/lisp/progmodes/project-tests.el
index 8814f30b047..aea0666629d 100644
--- a/test/lisp/progmodes/project-tests.el
+++ b/test/lisp/progmodes/project-tests.el
@@ -1,6 +1,6 @@
 ;;; project-tests.el --- tests for project.el -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Keywords:
diff --git a/test/lisp/progmodes/ps-mode-tests.el b/test/lisp/progmodes/ps-mode-tests.el
index 7fa40eb0cb4..3d7408cda10 100644
--- a/test/lisp/progmodes/ps-mode-tests.el
+++ b/test/lisp/progmodes/ps-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; ps-mode-tests.el --- Test suite for ps-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/python-tests.el b/test/lisp/progmodes/python-tests.el
index 930234a12f2..eac558db10f 100644
--- a/test/lisp/progmodes/python-tests.el
+++ b/test/lisp/progmodes/python-tests.el
@@ -1,6 +1,6 @@
 ;;; python-tests.el --- Test suite for python.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/ruby-mode-tests.el b/test/lisp/progmodes/ruby-mode-tests.el
index 5c81cc31cc1..9687231dbfa 100644
--- a/test/lisp/progmodes/ruby-mode-tests.el
+++ b/test/lisp/progmodes/ruby-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; ruby-mode-tests.el --- Test suite for ruby-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/scheme-tests.el b/test/lisp/progmodes/scheme-tests.el
index b36e85c770d..ce41413e949 100644
--- a/test/lisp/progmodes/scheme-tests.el
+++ b/test/lisp/progmodes/scheme-tests.el
@@ -1,6 +1,6 @@
 ;;; scheme-tests.el --- Test suite for scheme.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/sh-script-tests.el b/test/lisp/progmodes/sh-script-tests.el
index 5d01cc1c226..c850a5d8af7 100644
--- a/test/lisp/progmodes/sh-script-tests.el
+++ b/test/lisp/progmodes/sh-script-tests.el
@@ -1,6 +1,6 @@
 ;;; sh-script-tests.el --- Tests for sh-script.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/sql-tests.el b/test/lisp/progmodes/sql-tests.el
index c644d115df6..b0a1f8b0519 100644
--- a/test/lisp/progmodes/sql-tests.el
+++ b/test/lisp/progmodes/sql-tests.el
@@ -1,6 +1,6 @@
 ;;; sql-tests.el --- Tests for sql.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/progmodes/subword-tests.el b/test/lisp/progmodes/subword-tests.el
index 7ce27e4df4f..278db9287ef 100644
--- a/test/lisp/progmodes/subword-tests.el
+++ b/test/lisp/progmodes/subword-tests.el
@@ -1,6 +1,6 @@
 ;;; subword-tests.el --- Testing the subword rules  -*- lexical-binding:t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
diff --git a/test/lisp/progmodes/tcl-tests.el b/test/lisp/progmodes/tcl-tests.el
index d2346606c27..7d3a67d1610 100644
--- a/test/lisp/progmodes/tcl-tests.el
+++ b/test/lisp/progmodes/tcl-tests.el
@@ -1,6 +1,6 @@
 ;;; tcl-tests.el --- Test suite for tcl-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/progmodes/xref-tests.el b/test/lisp/progmodes/xref-tests.el
index f7af5055c78..e74f38cb616 100644
--- a/test/lisp/progmodes/xref-tests.el
+++ b/test/lisp/progmodes/xref-tests.el
@@ -1,6 +1,6 @@
 ;;; xref-tests.el --- tests for xref  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Dmitry Gutov <dgutov@yandex.ru>
diff --git a/test/lisp/ps-print-tests.el b/test/lisp/ps-print-tests.el
index 35aa1a9bd19..05a74ebf241 100644
--- a/test/lisp/ps-print-tests.el
+++ b/test/lisp/ps-print-tests.el
@@ -1,6 +1,6 @@
 ;;; ps-print-tests.el --- Test suite for ps-print.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Phillip Lord <phillip.lord@russet.org.uk>
diff --git a/test/lisp/register-tests.el b/test/lisp/register-tests.el
index 881a2f90e1e..6283d1c31e0 100644
--- a/test/lisp/register-tests.el
+++ b/test/lisp/register-tests.el
@@ -1,6 +1,6 @@
 ;;; register-tests.el --- tests for register.el  -*- lexical-binding: t-*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/repeat-tests.el b/test/lisp/repeat-tests.el
index 06c6f748a2a..64a7ba2cde9 100644
--- a/test/lisp/repeat-tests.el
+++ b/test/lisp/repeat-tests.el
@@ -1,6 +1,6 @@
 ;;; repeat-tests.el --- Tests for repeat.el          -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Juri Linkov <juri@linkov.net>
diff --git a/test/lisp/replace-tests.el b/test/lisp/replace-tests.el
index 23ec24840fb..899c3cb3c6c 100644
--- a/test/lisp/replace-tests.el
+++ b/test/lisp/replace-tests.el
@@ -1,6 +1,6 @@
 ;;; replace-tests.el --- tests for replace.el.  -*- lexical-binding:t -*-
-;; Copyright (C) 2010-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Richard <youngfrog@members.fsf.org>
 ;; Author: Juri Linkov <juri@jurta.org>
diff --git a/test/lisp/rot13-tests.el b/test/lisp/rot13-tests.el
index bbe95316660..788a80f368c 100644
--- a/test/lisp/rot13-tests.el
+++ b/test/lisp/rot13-tests.el
@@ -1,6 +1,6 @@
 ;;; rot13-tests.el --- Tests for rot13.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/saveplace-tests.el b/test/lisp/saveplace-tests.el
index 99318d295dd..3c0b14c8c03 100644
--- a/test/lisp/saveplace-tests.el
+++ b/test/lisp/saveplace-tests.el
@@ -1,6 +1,6 @@
 ;;; saveplace-tests.el --- Tests for saveplace.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/scroll-lock-tests.el b/test/lisp/scroll-lock-tests.el
index 2bad8e7d48f..b8d3d82bd5b 100644
--- a/test/lisp/scroll-lock-tests.el
+++ b/test/lisp/scroll-lock-tests.el
@@ -1,6 +1,6 @@
 ;;; scroll-lock-tests.el --- Test suite for scroll-lock -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/server-tests.el b/test/lisp/server-tests.el
index 5ef66052c80..ffafa74925f 100644
--- a/test/lisp/server-tests.el
+++ b/test/lisp/server-tests.el
@@ -1,6 +1,6 @@
 ;;; server-tests.el --- Emacs server test suite  -*- lexical-binding:t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/ses-tests.el b/test/lisp/ses-tests.el
index ea3f9d05d70..a941605a4d8 100644
--- a/test/lisp/ses-tests.el
+++ b/test/lisp/ses-tests.el
@@ -1,6 +1,6 @@
 ;;; ses-tests.el --- Tests for ses.el              -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Vincent Belaïche <vincentb1@users.sourceforge.net>
diff --git a/test/lisp/shadowfile-tests.el b/test/lisp/shadowfile-tests.el
index 0916f7ce688..5edba039032 100644
--- a/test/lisp/shadowfile-tests.el
+++ b/test/lisp/shadowfile-tests.el
@@ -1,6 +1,6 @@
 ;;; shadowfile-tests.el --- Tests of shadowfile  -*- lexical-binding:t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/shell-tests.el b/test/lisp/shell-tests.el
index f2cd2f6aead..db9124e2435 100644
--- a/test/lisp/shell-tests.el
+++ b/test/lisp/shell-tests.el
@@ -1,6 +1,6 @@
 ;;; shell-tests.el --- Tests for shell.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2010-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/simple-tests.el b/test/lisp/simple-tests.el
index 6e48f11fc02..28d8120f143 100644
--- a/test/lisp/simple-tests.el
+++ b/test/lisp/simple-tests.el
@@ -1,6 +1,6 @@
 ;;; simple-tests.el --- Tests for simple.el           -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
diff --git a/test/lisp/so-long-tests/autoload-longlines-mode-tests.el b/test/lisp/so-long-tests/autoload-longlines-mode-tests.el
index 11c018b36c4..f015103eecb 100644
--- a/test/lisp/so-long-tests/autoload-longlines-mode-tests.el
+++ b/test/lisp/so-long-tests/autoload-longlines-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; autoload-longlines-mode-tests.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/so-long-tests/autoload-major-mode-tests.el b/test/lisp/so-long-tests/autoload-major-mode-tests.el
index 2cde241d0b8..a3bed852f60 100644
--- a/test/lisp/so-long-tests/autoload-major-mode-tests.el
+++ b/test/lisp/so-long-tests/autoload-major-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; autoload-major-mode-tests.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/so-long-tests/autoload-minor-mode-tests.el b/test/lisp/so-long-tests/autoload-minor-mode-tests.el
index cf89cff558a..c4545c8dd0b 100644
--- a/test/lisp/so-long-tests/autoload-minor-mode-tests.el
+++ b/test/lisp/so-long-tests/autoload-minor-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; autoload-minor-mode-tests.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/so-long-tests/so-long-tests-helpers.el b/test/lisp/so-long-tests/so-long-tests-helpers.el
index 79df532f899..21f96602fbe 100644
--- a/test/lisp/so-long-tests/so-long-tests-helpers.el
+++ b/test/lisp/so-long-tests/so-long-tests-helpers.el
@@ -1,6 +1,6 @@
 ;;; so-long-tests-helpers.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/so-long-tests/so-long-tests.el b/test/lisp/so-long-tests/so-long-tests.el
index bf619f453d2..d725c07d881 100644
--- a/test/lisp/so-long-tests/so-long-tests.el
+++ b/test/lisp/so-long-tests/so-long-tests.el
@@ -1,6 +1,6 @@
 ;;; so-long-tests.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/so-long-tests/spelling-tests.el b/test/lisp/so-long-tests/spelling-tests.el
index 7bd06395535..5e5d1d34c71 100644
--- a/test/lisp/so-long-tests/spelling-tests.el
+++ b/test/lisp/so-long-tests/spelling-tests.el
@@ -1,6 +1,6 @@
 ;;; spelling-tests.el --- Test suite for so-long.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Phil Sainty <psainty@orcon.net.nz>
 ;; Keywords: convenience
diff --git a/test/lisp/sort-tests.el b/test/lisp/sort-tests.el
index d8d42452ec8..d8af5595a5e 100644
--- a/test/lisp/sort-tests.el
+++ b/test/lisp/sort-tests.el
@@ -1,6 +1,6 @@
 ;;; sort-tests.el --- Tests for sort.el              -*- lexical-binding: t; -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
diff --git a/test/lisp/soundex-tests.el b/test/lisp/soundex-tests.el
index 0ac0ddd666b..47d6394df03 100644
--- a/test/lisp/soundex-tests.el
+++ b/test/lisp/soundex-tests.el
@@ -1,6 +1,6 @@
 ;;; soundex-tests.el --- tests for soundex.el -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/startup-tests.el b/test/lisp/startup-tests.el
index 01ed3a69fd8..3e71d8ccec5 100644
--- a/test/lisp/startup-tests.el
+++ b/test/lisp/startup-tests.el
@@ -1,6 +1,6 @@
 ;;; startup-tests.el --- unit tests for startup.el   -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/subr-tests.el b/test/lisp/subr-tests.el
index e22d1c7be0e..1abd3be4ea1 100644
--- a/test/lisp/subr-tests.el
+++ b/test/lisp/subr-tests.el
@@ -1,6 +1,6 @@
 ;;; subr-tests.el --- Tests for subr.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Oleh Krehel <ohwoeowho@gmail.com>,
 ;;         Nicolas Petton <nicolas@petton.fr>
diff --git a/test/lisp/tab-bar-tests.el b/test/lisp/tab-bar-tests.el
index 6d57146cd02..543bb8717fe 100644
--- a/test/lisp/tab-bar-tests.el
+++ b/test/lisp/tab-bar-tests.el
@@ -1,6 +1,6 @@
 ;;; tab-bar-tests.el --- Tests for tab-bar.el          -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Juri Linkov <juri@linkov.net>
diff --git a/test/lisp/tabify-tests.el b/test/lisp/tabify-tests.el
index 1c8940c30fe..5ff2f311296 100644
--- a/test/lisp/tabify-tests.el
+++ b/test/lisp/tabify-tests.el
@@ -1,6 +1,6 @@
 ;;; tabify-tests.el --- tests for tabify.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/tar-mode-tests.el b/test/lisp/tar-mode-tests.el
index 47c658eb9ad..919602ecef2 100644
--- a/test/lisp/tar-mode-tests.el
+++ b/test/lisp/tar-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; tar-mode-tests.el --- Test suite for tar-mode. -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/tempo-tests.el b/test/lisp/tempo-tests.el
index 52553d791f2..89edccf4fa7 100644
--- a/test/lisp/tempo-tests.el
+++ b/test/lisp/tempo-tests.el
@@ -1,6 +1,6 @@
 ;;; tempo-tests.el --- Test suite for tempo.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Federico Tedin <federicotedin@gmail.com>
 ;; Keywords: abbrev
diff --git a/test/lisp/term-tests.el b/test/lisp/term-tests.el
index f60d2ff5747..ee2bb6574ae 100644
--- a/test/lisp/term-tests.el
+++ b/test/lisp/term-tests.el
@@ -1,6 +1,6 @@
 ;;; term-tests.el --- tests for term.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2017, 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017, 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/term/tty-colors-tests.el b/test/lisp/term/tty-colors-tests.el
index e55b10511ee..934e635183c 100644
--- a/test/lisp/term/tty-colors-tests.el
+++ b/test/lisp/term/tty-colors-tests.el
@@ -1,6 +1,6 @@
 ;;; tty-colors-tests.el --- tests for tty-colors.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/textmodes/bibtex-tests.el b/test/lisp/textmodes/bibtex-tests.el
index 1bf15d17294..5e53cab3515 100644
--- a/test/lisp/textmodes/bibtex-tests.el
+++ b/test/lisp/textmodes/bibtex-tests.el
@@ -1,6 +1,6 @@
 ;;; bibtex-tests.el --- Test suite for bibtex.  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Keywords: bibtex
diff --git a/test/lisp/textmodes/conf-mode-tests.el b/test/lisp/textmodes/conf-mode-tests.el
index 097b25f1144..5e21d2cfacb 100644
--- a/test/lisp/textmodes/conf-mode-tests.el
+++ b/test/lisp/textmodes/conf-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; conf-mode-tests.el --- Test suite for conf mode  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: J. Alexander Branham <alex.branham@gmail.com>
 ;; Keywords: internal
diff --git a/test/lisp/textmodes/css-mode-tests.el b/test/lisp/textmodes/css-mode-tests.el
index 1d2d556992b..9a5f4fcc92a 100644
--- a/test/lisp/textmodes/css-mode-tests.el
+++ b/test/lisp/textmodes/css-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; css-mode-tests.el --- Test suite for CSS mode  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords: internal
diff --git a/test/lisp/textmodes/dns-mode-tests.el b/test/lisp/textmodes/dns-mode-tests.el
index 40896cf2f38..f9c81b7f842 100644
--- a/test/lisp/textmodes/dns-mode-tests.el
+++ b/test/lisp/textmodes/dns-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; dns-mode-tests.el --- Test suite for dns-mode  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Peder O. Klingenberg <peder@klingenberg.no>
 ;; Keywords: dns zone
diff --git a/test/lisp/textmodes/emacs-news-mode-tests.el b/test/lisp/textmodes/emacs-news-mode-tests.el
index d2da5eda906..e1152265a45 100644
--- a/test/lisp/textmodes/emacs-news-mode-tests.el
+++ b/test/lisp/textmodes/emacs-news-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; emacs-news-mode-tests.el --- Tests for emacs-news-mode.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/textmodes/fill-tests.el b/test/lisp/textmodes/fill-tests.el
index f2a0daf8122..ef822ba805b 100644
--- a/test/lisp/textmodes/fill-tests.el
+++ b/test/lisp/textmodes/fill-tests.el
@@ -1,6 +1,6 @@
 ;;; fill-tests.el --- ERT tests for fill.el -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author:     Marcin Borkowski <mbork@mbork.pl>
 ;; Keywords:   text, wp
diff --git a/test/lisp/textmodes/mhtml-mode-tests.el b/test/lisp/textmodes/mhtml-mode-tests.el
index f09a768f985..ec48188fc11 100644
--- a/test/lisp/textmodes/mhtml-mode-tests.el
+++ b/test/lisp/textmodes/mhtml-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; mhtml-mode-tests.el --- Tests for mhtml-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Keywords: tests
diff --git a/test/lisp/textmodes/page-tests.el b/test/lisp/textmodes/page-tests.el
index b7217e69f0c..4bfa8d9941c 100644
--- a/test/lisp/textmodes/page-tests.el
+++ b/test/lisp/textmodes/page-tests.el
@@ -1,6 +1,6 @@
 ;;; page-tests.el --- Tests for page.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/textmodes/paragraphs-tests.el b/test/lisp/textmodes/paragraphs-tests.el
index e54b459b20e..81e88113c2a 100644
--- a/test/lisp/textmodes/paragraphs-tests.el
+++ b/test/lisp/textmodes/paragraphs-tests.el
@@ -1,6 +1,6 @@
 ;;; paragraphs-tests.el --- Tests for paragraphs.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/textmodes/po-tests.el b/test/lisp/textmodes/po-tests.el
index 982d3404ff8..2bfb0dd5330 100644
--- a/test/lisp/textmodes/po-tests.el
+++ b/test/lisp/textmodes/po-tests.el
@@ -1,6 +1,6 @@
 ;;; po-tests.el --- Tests for po.el                  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
 ;; Keywords:
diff --git a/test/lisp/textmodes/reftex-tests.el b/test/lisp/textmodes/reftex-tests.el
index 67e01004755..5a137ba8a67 100644
--- a/test/lisp/textmodes/reftex-tests.el
+++ b/test/lisp/textmodes/reftex-tests.el
@@ -1,6 +1,6 @@
 ;;; reftex-tests.el --- Test suite for reftex. -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
 ;; Keywords:       internal
diff --git a/test/lisp/textmodes/sgml-mode-tests.el b/test/lisp/textmodes/sgml-mode-tests.el
index d08851eb41c..57467483bfe 100644
--- a/test/lisp/textmodes/sgml-mode-tests.el
+++ b/test/lisp/textmodes/sgml-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; sgml-mode-tests.el --- Tests for sgml-mode  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Przemysław Wojnowski <esperanto@cumego.com>
 ;; Keywords: tests
diff --git a/test/lisp/textmodes/texinfo-tests.el b/test/lisp/textmodes/texinfo-tests.el
index 48cc5fece2c..37a461167e9 100644
--- a/test/lisp/textmodes/texinfo-tests.el
+++ b/test/lisp/textmodes/texinfo-tests.el
@@ -1,6 +1,6 @@
 ;;; texinfo-tests.el --- Tests for texinfo.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/textmodes/tildify-tests.el b/test/lisp/textmodes/tildify-tests.el
index a663bc29962..962aeb4747c 100644
--- a/test/lisp/textmodes/tildify-tests.el
+++ b/test/lisp/textmodes/tildify-tests.el
@@ -1,6 +1,6 @@
 ;;; tildify-tests.el --- ERT tests for tildify.el -*- lexical-binding: t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author:     Michal Nazarewicz <mina86@mina86.com>
 ;; Version:    4.5
diff --git a/test/lisp/textmodes/underline-tests.el b/test/lisp/textmodes/underline-tests.el
index acc72a78a0f..d0f899f8f5c 100644
--- a/test/lisp/textmodes/underline-tests.el
+++ b/test/lisp/textmodes/underline-tests.el
@@ -1,6 +1,6 @@
 ;;; underline-tests.el --- Tests for underline.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/thingatpt-tests.el b/test/lisp/thingatpt-tests.el
index 67dd00104b0..0daf27f32ec 100644
--- a/test/lisp/thingatpt-tests.el
+++ b/test/lisp/thingatpt-tests.el
@@ -1,6 +1,6 @@
 ;;; thingatpt-tests.el --- tests for thing-at-point.  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/thread-tests.el b/test/lisp/thread-tests.el
index 108fa8cb983..4ba7b99719c 100644
--- a/test/lisp/thread-tests.el
+++ b/test/lisp/thread-tests.el
@@ -1,6 +1,6 @@
 ;;; thread-tests.el --- Test suite for thread.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Gemini Lasswell <gazally@runbox.com>
 ;; Keywords: threads
diff --git a/test/lisp/time-stamp-tests.el b/test/lisp/time-stamp-tests.el
index 1b5ef04436d..341c40b617b 100644
--- a/test/lisp/time-stamp-tests.el
+++ b/test/lisp/time-stamp-tests.el
@@ -1,6 +1,6 @@
 ;;; time-stamp-tests.el --- tests for time-stamp.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/time-tests.el b/test/lisp/time-tests.el
index a95871eb56b..359f3ea3313 100644
--- a/test/lisp/time-tests.el
+++ b/test/lisp/time-tests.el
@@ -1,6 +1,6 @@
 ;;; time-tests.el --- Tests for time.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/timezone-tests.el b/test/lisp/timezone-tests.el
index a87f2623767..5f8896656cc 100644
--- a/test/lisp/timezone-tests.el
+++ b/test/lisp/timezone-tests.el
@@ -1,6 +1,6 @@
 ;;; timezone-tests.el --- Tests for timezone.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/lisp/url/url-auth-tests.el b/test/lisp/url/url-auth-tests.el
index fa6ecdce390..5527d3a3bfc 100644
--- a/test/lisp/url/url-auth-tests.el
+++ b/test/lisp/url/url-auth-tests.el
@@ -1,6 +1,6 @@
 ;;; url-auth-tests.el --- Test suite for url-auth.  -*- lexical-binding:t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Jarno Malmari <jarno@malmari.fi>
diff --git a/test/lisp/url/url-domsuf-tests.el b/test/lisp/url/url-domsuf-tests.el
index 33962846820..09fd6240065 100644
--- a/test/lisp/url/url-domsuf-tests.el
+++ b/test/lisp/url/url-domsuf-tests.el
@@ -1,6 +1,6 @@
 ;;; url-domsuf-tests.el --- Tests for url-domsuf.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/url/url-expand-tests.el b/test/lisp/url/url-expand-tests.el
index a9695c6a192..651bd690811 100644
--- a/test/lisp/url/url-expand-tests.el
+++ b/test/lisp/url/url-expand-tests.el
@@ -1,6 +1,6 @@
 ;;; url-expand-tests.el --- Test suite for relative URI/URL resolution.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Alain Schneble <a.s@realize.ch>
 ;; Version: 1.0
diff --git a/test/lisp/url/url-file-tests.el b/test/lisp/url/url-file-tests.el
index 9fe3cb38ebb..4c3bcc9163e 100644
--- a/test/lisp/url/url-file-tests.el
+++ b/test/lisp/url/url-file-tests.el
@@ -1,6 +1,6 @@
 ;;; url-file-tests.el --- Test suite for url-file. -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/url/url-future-tests.el b/test/lisp/url/url-future-tests.el
index ec1796f7670..18e6e31c8ce 100644
--- a/test/lisp/url/url-future-tests.el
+++ b/test/lisp/url/url-future-tests.el
@@ -1,6 +1,6 @@
 ;;; url-future-tests.el --- Test suite for url-future.  -*- lexical-binding:t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Teodor Zlatanov <tzz@lifelogs.com>
 ;; Keywords: data
diff --git a/test/lisp/url/url-handlers-tests.el b/test/lisp/url/url-handlers-tests.el
index f43e9651f5e..68afee4ce93 100644
--- a/test/lisp/url/url-handlers-tests.el
+++ b/test/lisp/url/url-handlers-tests.el
@@ -1,6 +1,6 @@
 ;;; url-handlers-tests.el --- Test suite for url-handlers.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Petton <nicolas@petton.fr>
diff --git a/test/lisp/url/url-misc-tests.el b/test/lisp/url/url-misc-tests.el
index df561eb8887..8d2e20f11d0 100644
--- a/test/lisp/url/url-misc-tests.el
+++ b/test/lisp/url/url-misc-tests.el
@@ -1,6 +1,6 @@
 ;;; url-misc-tests.el --- Test suite for url-misc. -*- lexical-binding: t -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/url/url-parse-tests.el b/test/lisp/url/url-parse-tests.el
index c115da1e4ba..cf75738d00a 100644
--- a/test/lisp/url/url-parse-tests.el
+++ b/test/lisp/url/url-parse-tests.el
@@ -1,6 +1,6 @@
 ;;; url-parse-tests.el --- Test suite for URI/URL parsing.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Alain Schneble <a.s@realize.ch>
 ;; Version: 1.0
diff --git a/test/lisp/url/url-tramp-tests.el b/test/lisp/url/url-tramp-tests.el
index 369de0e2457..b31913c8371 100644
--- a/test/lisp/url/url-tramp-tests.el
+++ b/test/lisp/url/url-tramp-tests.el
@@ -1,6 +1,6 @@
 ;;; url-tramp-tests.el --- Test suite for Tramp / URL conversion.  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/url/url-util-tests.el b/test/lisp/url/url-util-tests.el
index cfc2d93c890..092a25ebfff 100644
--- a/test/lisp/url/url-util-tests.el
+++ b/test/lisp/url/url-util-tests.el
@@ -1,6 +1,6 @@
 ;;; url-util-tests.el --- Test suite for url-util.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Teodor Zlatanov <tzz@lifelogs.com>
 ;; Keywords: data
diff --git a/test/lisp/use-package/use-package-tests.el b/test/lisp/use-package/use-package-tests.el
index e4586b04f27..6374a0d1037 100644
--- a/test/lisp/use-package/use-package-tests.el
+++ b/test/lisp/use-package/use-package-tests.el
@@ -1,6 +1,6 @@
 ;;; use-package-tests.el --- Tests for use-package.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/vc/add-log-tests.el b/test/lisp/vc/add-log-tests.el
index bb6841b6453..07da65c74f6 100644
--- a/test/lisp/vc/add-log-tests.el
+++ b/test/lisp/vc/add-log-tests.el
@@ -1,6 +1,6 @@
 ;;; add-log-tests.el --- Test suite for add-log.  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Masatake YAMATO <yamato@redhat.com>
 ;; Keywords: vc tools
diff --git a/test/lisp/vc/diff-mode-tests.el b/test/lisp/vc/diff-mode-tests.el
index b67ccd4fe09..8033dc9cbbd 100644
--- a/test/lisp/vc/diff-mode-tests.el
+++ b/test/lisp/vc/diff-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; diff-mode-tests.el --- Tests for diff-mode.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Dima Kogan <dima@secretsauce.net>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/vc/ediff-diff-tests.el b/test/lisp/vc/ediff-diff-tests.el
index b0ceb4792c3..b250148da8d 100644
--- a/test/lisp/vc/ediff-diff-tests.el
+++ b/test/lisp/vc/ediff-diff-tests.el
@@ -1,6 +1,6 @@
 ;;; ediff-diff-tests.el --- Unit tests for ediff-diff.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/vc/ediff-ptch-tests.el b/test/lisp/vc/ediff-ptch-tests.el
index 935046198f3..74701ee1802 100644
--- a/test/lisp/vc/ediff-ptch-tests.el
+++ b/test/lisp/vc/ediff-ptch-tests.el
@@ -1,6 +1,6 @@
 ;;; ediff-ptch-tests.el --- Tests for ediff-ptch.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Tino Calancha <tino.calancha@gmail.com>
diff --git a/test/lisp/vc/log-edit-tests.el b/test/lisp/vc/log-edit-tests.el
index e1fe8fcf1c8..237b743aa24 100644
--- a/test/lisp/vc/log-edit-tests.el
+++ b/test/lisp/vc/log-edit-tests.el
@@ -1,6 +1,6 @@
 ;;; log-edit-tests.el --- Unit tests for log-edit.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/vc/smerge-mode-tests.el b/test/lisp/vc/smerge-mode-tests.el
index 713df4c6e76..a7d41607bc5 100644
--- a/test/lisp/vc/smerge-mode-tests.el
+++ b/test/lisp/vc/smerge-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; smerge-mode-tests.el --- Tests for smerge-mode.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/vc/vc-bzr-tests.el b/test/lisp/vc/vc-bzr-tests.el
index 52f06df5bcd..d8ed1013c38 100644
--- a/test/lisp/vc/vc-bzr-tests.el
+++ b/test/lisp/vc/vc-bzr-tests.el
@@ -1,6 +1,6 @@
 ;;; vc-bzr-tests.el --- tests for vc/vc-bzr.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Glenn Morris <rgm@gnu.org>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/vc/vc-git-tests.el b/test/lisp/vc/vc-git-tests.el
index dc9641ed46b..f12c5d3434b 100644
--- a/test/lisp/vc/vc-git-tests.el
+++ b/test/lisp/vc/vc-git-tests.el
@@ -1,6 +1,6 @@
 ;;; vc-git-tests.el --- tests for vc/vc-git.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Justin Schell <justinmschell@gmail.com>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/vc/vc-hg-tests.el b/test/lisp/vc/vc-hg-tests.el
index 2cceceb2c80..89d518b2a91 100644
--- a/test/lisp/vc/vc-hg-tests.el
+++ b/test/lisp/vc/vc-hg-tests.el
@@ -1,6 +1,6 @@
 ;;; vc-hg-tests.el --- tests for vc/vc-hg.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Dmitry Gutov <dgutov@yandex.ru>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/vc/vc-tests.el b/test/lisp/vc/vc-tests.el
index c54fe144b7d..11c20d2783c 100644
--- a/test/lisp/vc/vc-tests.el
+++ b/test/lisp/vc/vc-tests.el
@@ -1,6 +1,6 @@
 ;;; vc-tests.el --- Tests of different backends of vc.el  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
diff --git a/test/lisp/version-tests.el b/test/lisp/version-tests.el
index 25dcc3d30cb..95ecf9600b5 100644
--- a/test/lisp/version-tests.el
+++ b/test/lisp/version-tests.el
@@ -1,6 +1,6 @@
 ;;; version-tests.el --- Tests for version.el  -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/wdired-tests.el b/test/lisp/wdired-tests.el
index 58caa1deda8..74c2449076f 100644
--- a/test/lisp/wdired-tests.el
+++ b/test/lisp/wdired-tests.el
@@ -1,6 +1,6 @@
 ;;; wdired-tests.el --- tests for wdired.el          -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/whitespace-tests.el b/test/lisp/whitespace-tests.el
index 3a53e025036..f059104cdb9 100644
--- a/test/lisp/whitespace-tests.el
+++ b/test/lisp/whitespace-tests.el
@@ -1,6 +1,6 @@
 ;;; whitespace-tests.el --- Test suite for whitespace -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/wid-edit-tests.el b/test/lisp/wid-edit-tests.el
index 34c96f1c934..3f5fcea0c33 100644
--- a/test/lisp/wid-edit-tests.el
+++ b/test/lisp/wid-edit-tests.el
@@ -1,6 +1,6 @@
 ;;; wid-edit-tests.el --- tests for wid-edit.el -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/x-dnd-tests.el b/test/lisp/x-dnd-tests.el
index 55994e9b724..2ed4c3e7662 100644
--- a/test/lisp/x-dnd-tests.el
+++ b/test/lisp/x-dnd-tests.el
@@ -1,6 +1,6 @@
 ;;; dnd-tests.el --- Tests for X DND support -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/lisp/xdg-tests.el b/test/lisp/xdg-tests.el
index 882160743a2..962f26cd975 100644
--- a/test/lisp/xdg-tests.el
+++ b/test/lisp/xdg-tests.el
@@ -1,6 +1,6 @@
 ;;; xdg-tests.el --- tests for xdg.el -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Author: Mark Oteiza <mvoteiza@udel.edu>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/lisp/xml-tests.el b/test/lisp/xml-tests.el
index 0040e5c7bab..8d419765fe6 100644
--- a/test/lisp/xml-tests.el
+++ b/test/lisp/xml-tests.el
@@ -1,6 +1,6 @@
 ;;; xml-tests.el --- Test suite for XML parsing.  -*- lexical-binding:t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Chong Yidong <cyd@stupidchicken.com>
 ;; Keywords:       internal
diff --git a/test/lisp/xt-mouse-tests.el b/test/lisp/xt-mouse-tests.el
index 379ad7bf039..19719c75fc3 100644
--- a/test/lisp/xt-mouse-tests.el
+++ b/test/lisp/xt-mouse-tests.el
@@ -1,6 +1,6 @@
 ;;; xt-mouse-tests.el --- Test suite for xt-mouse.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/lisp/yank-media-tests.el b/test/lisp/yank-media-tests.el
index 4487ae150da..2ce879c418f 100644
--- a/test/lisp/yank-media-tests.el
+++ b/test/lisp/yank-media-tests.el
@@ -1,6 +1,6 @@
 ;;; yank-media-tests.el --- Tests for yank-media.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/manual/biditest.el b/test/manual/biditest.el
index d7fa359bf8d..aefd322dede 100644
--- a/test/manual/biditest.el
+++ b/test/manual/biditest.el
@@ -1,6 +1,6 @@
 ;;; biditest.el --- test bidi reordering in GNU Emacs display engine.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Eli Zaretskii
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/manual/cedet/cedet-utests.el b/test/manual/cedet/cedet-utests.el
index 2c5ba46855d..336e417c44f 100644
--- a/test/manual/cedet/cedet-utests.el
+++ b/test/manual/cedet/cedet-utests.el
@@ -1,6 +1,6 @@
 ;;; cedet-utests.el --- Run all unit tests in the CEDET suite.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/ede-tests.el b/test/manual/cedet/ede-tests.el
index c23e0984816..89407108e58 100644
--- a/test/manual/cedet/ede-tests.el
+++ b/test/manual/cedet/ede-tests.el
@@ -1,6 +1,6 @@
 ;;; ede-tests.el --- Some tests for the Emacs Development Environment  -*- lexical-binding: t -*-
-;; Copyright (C) 2008-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/semantic-tests.el b/test/manual/cedet/semantic-tests.el
index 1d0e668d96f..5eca5fb5c62 100644
--- a/test/manual/cedet/semantic-tests.el
+++ b/test/manual/cedet/semantic-tests.el
@@ -1,6 +1,6 @@
 ;;; semantic-tests.el --- Miscellaneous Semantic tests.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2003-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2003-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/test.c b/test/manual/cedet/tests/test.c
index 6efaa8a75eb..cddbd85b45b 100644
--- a/test/manual/cedet/tests/test.c
+++ b/test/manual/cedet/tests/test.c
@@ -1,6 +1,6 @@
 /* test.c --- Semantic unit test for C.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/test.el b/test/manual/cedet/tests/test.el
index a523438f68f..c75ea331223 100644
--- a/test/manual/cedet/tests/test.el
+++ b/test/manual/cedet/tests/test.el
@@ -1,6 +1,6 @@
 ;;; test.el --- Unit test file for Semantic Emacs Lisp support.  -*- lexical-binding: t -*-
-;; Copyright (C) 2005-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2005-2023 Free Software Foundation, Inc.
 ;; Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/test.make b/test/manual/cedet/tests/test.make
index 80c0c8051c4..fc171214420 100644
--- a/test/manual/cedet/tests/test.make
+++ b/test/manual/cedet/tests/test.make
@@ -1,6 +1,6 @@
 # test.make --- Semantic unit test for Make -*- makefile -*-
-# Copyright (C) 2001-2002, 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2002, 2010-2023 Free Software Foundation, Inc.
 # Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/testpolymorph.cpp b/test/manual/cedet/tests/testpolymorph.cpp
index cfe44ecc4d3..0cf645c2f43 100644
--- a/test/manual/cedet/tests/testpolymorph.cpp
+++ b/test/manual/cedet/tests/testpolymorph.cpp
@@ -1,6 +1,6 @@
 /** testpolymorph.cpp --- A sequence of polymorphism examples.
 *
- * Copyright (C) 2009-2022 Free Software Foundation, Inc.
+ * Copyright (C) 2009-2023 Free Software Foundation, Inc.
 *
 * Author: Eric M. Ludlam <zappo@gnu.org>
 *
diff --git a/test/manual/cedet/tests/testspp.c b/test/manual/cedet/tests/testspp.c
index 74b336172cd..a439cee2a7d 100644
--- a/test/manual/cedet/tests/testspp.c
+++ b/test/manual/cedet/tests/testspp.c
@@ -1,6 +1,6 @@
 /* testspp.cpp --- Semantic unit test for the C preprocessor
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/testsppreplace.c b/test/manual/cedet/tests/testsppreplace.c
index d255c202d35..2c913934bea 100644
--- a/test/manual/cedet/tests/testsppreplace.c
+++ b/test/manual/cedet/tests/testsppreplace.c
@@ -1,5 +1,5 @@
 /* testsppreplace.c --- unit test for CPP/SPP Replacement
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/cedet/tests/testsppreplaced.c b/test/manual/cedet/tests/testsppreplaced.c
index c98349174e5..f0f78ca8dd2 100644
--- a/test/manual/cedet/tests/testsppreplaced.c
+++ b/test/manual/cedet/tests/testsppreplaced.c
@@ -1,5 +1,5 @@
 /* testsppreplaced.c --- unit test for CPP/SPP Replacement
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
   Author: Eric M. Ludlam <zappo@gnu.org>
diff --git a/test/manual/etags/c-src/abbrev.c b/test/manual/etags/c-src/abbrev.c
index 301ca4e9d81..acd5884886c 100644
--- a/test/manual/etags/c-src/abbrev.c
+++ b/test/manual/etags/c-src/abbrev.c
@@ -1,5 +1,5 @@
 /* Primitives for word-abbrev mode.
-   Copyright (C) 1985-1986, 1993, 1996, 1998, 2016-2022 Free Software
+   Copyright (C) 1985-1986, 1993, 1996, 1998, 2016-2023 Free Software
   Foundation, Inc.
 This file is part of GNU Emacs.
diff --git a/test/manual/etags/c-src/emacs/src/gmalloc.c b/test/manual/etags/c-src/emacs/src/gmalloc.c
index 0a28d0c6d37..cf3ad6ee766 100644
--- a/test/manual/etags/c-src/emacs/src/gmalloc.c
+++ b/test/manual/etags/c-src/emacs/src/gmalloc.c
@@ -1,5 +1,5 @@
 /* Declarations for `malloc' and friends.
-   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2022 Free
+   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2023 Free
   Software Foundation, Inc.
                  Written May 1989 by Mike Haertel.
diff --git a/test/manual/etags/c-src/emacs/src/keyboard.c b/test/manual/etags/c-src/emacs/src/keyboard.c
index 506bf0d01c4..310dba27c89 100644
--- a/test/manual/etags/c-src/emacs/src/keyboard.c
+++ b/test/manual/etags/c-src/emacs/src/keyboard.c
@@ -1,6 +1,6 @@
 /* Keyboard and mouse input; editor command loop.
-Copyright (C) 1985-1989, 1993-1997, 1999-2022 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1997, 1999-2023 Free Software Foundation,
 Inc.
 This file is part of GNU Emacs.
diff --git a/test/manual/etags/c-src/emacs/src/lisp.h b/test/manual/etags/c-src/emacs/src/lisp.h
index 1fe50f5f93f..aa8dc8c9a66 100644
--- a/test/manual/etags/c-src/emacs/src/lisp.h
+++ b/test/manual/etags/c-src/emacs/src/lisp.h
@@ -1,6 +1,6 @@
 /* Fundamental definitions for GNU Emacs Lisp interpreter.
-Copyright (C) 1985-1987, 1993-1995, 1997-2022 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1997-2023 Free Software Foundation,
 Inc.
 This file is part of GNU Emacs.
diff --git a/test/manual/etags/c-src/emacs/src/regex.h b/test/manual/etags/c-src/emacs/src/regex.h
index f51e4fc594b..b31fa9982d9 100644
--- a/test/manual/etags/c-src/emacs/src/regex.h
+++ b/test/manual/etags/c-src/emacs/src/regex.h
@@ -1,7 +1,7 @@
 /* Definitions for data structures and routines for the regular
   expression library, version 0.12.
-   Copyright (C) 1985, 1989-1993, 1995, 2000-2022 Free Software
+   Copyright (C) 1985, 1989-1993, 1995, 2000-2023 Free Software
   Foundation, Inc.
   This program is free software; you can redistribute it and/or modify
diff --git a/test/manual/etags/c-src/etags.c b/test/manual/etags/c-src/etags.c
index efa269d81cf..bd09e75a5d0 100644
--- a/test/manual/etags/c-src/etags.c
+++ b/test/manual/etags/c-src/etags.c
@@ -28,7 +28,7 @@ OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-Copyright (C) 1984, 1987-1989, 1993-1995, 1998-2022 Free Software
+Copyright (C) 1984, 1987-1989, 1993-1995, 1998-2023 Free Software
 Foundation, Inc.
 This file is not considered part of GNU Emacs.
diff --git a/test/manual/etags/c-src/exit.c b/test/manual/etags/c-src/exit.c
index c655b257c9b..8101562c985 100644
--- a/test/manual/etags/c-src/exit.c
+++ b/test/manual/etags/c-src/exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 2016-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 2016-2023 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 The GNU C Library is free software; you can redistribute it and/or
diff --git a/test/manual/etags/c-src/exit.strange_suffix b/test/manual/etags/c-src/exit.strange_suffix
index c655b257c9b..8101562c985 100644
--- a/test/manual/etags/c-src/exit.strange_suffix
+++ b/test/manual/etags/c-src/exit.strange_suffix
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 2016-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 2016-2023 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 The GNU C Library is free software; you can redistribute it and/or
diff --git a/test/manual/etags/c-src/getopt.h b/test/manual/etags/c-src/getopt.h
index 31e2a03c12d..29536410f29 100644
--- a/test/manual/etags/c-src/getopt.h
+++ b/test/manual/etags/c-src/getopt.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-1992, 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-1992, 2016-2023 Free Software Foundation, Inc.
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
diff --git a/test/manual/etags/c-src/sysdep.h b/test/manual/etags/c-src/sysdep.h
index 38edc43df3b..c29ed8b64a6 100644
--- a/test/manual/etags/c-src/sysdep.h
+++ b/test/manual/etags/c-src/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-1993, 2016-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-1993, 2016-2023 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 The GNU C Library is free software; you can redistribute it and/or
diff --git a/test/manual/etags/el-src/emacs/lisp/progmodes/etags.el b/test/manual/etags/el-src/emacs/lisp/progmodes/etags.el
index 9ae80149559..4f4663701f0 100644
--- a/test/manual/etags/el-src/emacs/lisp/progmodes/etags.el
+++ b/test/manual/etags/el-src/emacs/lisp/progmodes/etags.el
@@ -1,6 +1,6 @@
 ;;; etags.el --- etags facility for Emacs  -*- lexical-binding: t -*-
-;; Copyright (C) 1985-1986, 1988-1989, 1992-1996, 1998, 2000-2022 Free
+;; Copyright (C) 1985-1986, 1988-1989, 1992-1996, 1998, 2000-2023 Free
 ;; Software Foundation, Inc.
 ;; Author: Roland McGrath <roland@gnu.org>
diff --git a/test/manual/etags/tex-src/texinfo.tex b/test/manual/etags/tex-src/texinfo.tex
index e0de6afe96e..f523af7da30 100644
--- a/test/manual/etags/tex-src/texinfo.tex
+++ b/test/manual/etags/tex-src/texinfo.tex
@@ -1,6 +1,6 @@
 %% TeX macros to handle texinfo files
-%   Copyright (C) 1985--1986, 1988, 1990--1991, 2016--2022 Free Software
+%   Copyright (C) 1985--1986, 1988, 1990--1991, 2016--2023 Free Software
 %   Foundation, Inc.
 %This texinfo.tex file is free software; you can redistribute it and/or
diff --git a/test/manual/etags/y-src/cccp.c b/test/manual/etags/y-src/cccp.c
index 264adfae663..879de5b0d8f 100644
--- a/test/manual/etags/y-src/cccp.c
+++ b/test/manual/etags/y-src/cccp.c
@@ -320,7 +320,7 @@ static const short yycheck[] =
 #line 3 "/usr/share/bison/bison.simple"
 /* Skeleton output parser for bison,
-   Copyright (C) 1984, 1989-1990, 2000-2001, 2016-2022 Free Software
+   Copyright (C) 1984, 1989-1990, 2000-2001, 2016-2023 Free Software
   Foundation, Inc.
   This program is free software; you can redistribute it and/or modify
diff --git a/test/manual/etags/y-src/parse.c b/test/manual/etags/y-src/parse.c
index 61794f713ed..8ba6b23675d 100644
--- a/test/manual/etags/y-src/parse.c
+++ b/test/manual/etags/y-src/parse.c
@@ -28,7 +28,7 @@
 #line 1 "y-src/parse.y"
-/*      Copyright (C) 1990, 1992-1993, 2016-2022 Free Software Foundation,
+/*      Copyright (C) 1990, 1992-1993, 2016-2023 Free Software Foundation,
 *      Inc.
 This file is part of Oleo, the GNU Spreadsheet.
diff --git a/test/manual/etags/y-src/parse.y b/test/manual/etags/y-src/parse.y
index 0bfa92b6303..c4d4b1e0eac 100644
--- a/test/manual/etags/y-src/parse.y
+++ b/test/manual/etags/y-src/parse.y
@@ -1,5 +1,5 @@
 %{
-/*      Copyright (C) 1990, 1992-1993, 2016-2022 Free Software Foundation,
+/*      Copyright (C) 1990, 1992-1993, 2016-2023 Free Software Foundation,
 *      Inc.
 This file is part of Oleo, the GNU Spreadsheet.
diff --git a/test/manual/image-circular-tests.el b/test/manual/image-circular-tests.el
index d2187cbbadc..efd96895f84 100644
--- a/test/manual/image-circular-tests.el
+++ b/test/manual/image-circular-tests.el
@@ -1,6 +1,6 @@
 ;;; image-circular-tests.el --- test image functions with circular objects  -*- lexical-binding: t; -*-
-;; Copyright (C) 2019, 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019, 2021-2023 Free Software Foundation, Inc.
 ;; Author: Pip Cet <pipcet@gmail.com>
 ;; Keywords:       internal
diff --git a/test/manual/image-size-tests.el b/test/manual/image-size-tests.el
index ea7af889431..544a38b6ba3 100644
--- a/test/manual/image-size-tests.el
+++ b/test/manual/image-size-tests.el
@@ -1,6 +1,6 @@
 ;;; image-size-tests.el --- tests for image scaling  -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/manual/image-tests.el b/test/manual/image-tests.el
index 400657132c7..a359bb0f91f 100644
--- a/test/manual/image-tests.el
+++ b/test/manual/image-tests.el
@@ -1,6 +1,6 @@
 ;;; image-tests.el --- tests for image.c  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
 ;; Keywords: internal
diff --git a/test/manual/image-transforms-tests.el b/test/manual/image-transforms-tests.el
index 2f03073ab74..cdf812ee177 100644
--- a/test/manual/image-transforms-tests.el
+++ b/test/manual/image-transforms-tests.el
@@ -1,6 +1,6 @@
 ;;; image-transforms-tests.el --- Test suite for image transforms.  -*- lexical-binding: t -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Alan Third <alan@idiocy.org>
 ;; Keywords:       internal
diff --git a/test/manual/indent/pascal.pas b/test/manual/indent/pascal.pas
index 1efd9b83752..3b35acdc801 100644
--- a/test/manual/indent/pascal.pas
+++ b/test/manual/indent/pascal.pas
@@ -1,6 +1,6 @@
 { GPC demo program for the CRT unit.
-Copyright (C) 1999-2006, 2013-2022 Free Software Foundation, Inc.
+Copyright (C) 1999-2006, 2013-2023 Free Software Foundation, Inc.
 Author: Frank Heckenbach <frank@pascal.gnu.de>
diff --git a/test/manual/noverlay/Makefile.in b/test/manual/noverlay/Makefile.in
index 3c8dba1ce1f..29c7bacd258 100644
--- a/test/manual/noverlay/Makefile.in
+++ b/test/manual/noverlay/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
-# Copyright (C) 2017-2022 Free Software Foundation, Inc.
+# Copyright (C) 2017-2023 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
diff --git a/test/manual/noverlay/check-sanitize.sh b/test/manual/noverlay/check-sanitize.sh
index 9a67818dc8f..735b85bbeeb 100755
--- a/test/manual/noverlay/check-sanitize.sh
+++ b/test/manual/noverlay/check-sanitize.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 ### check-sanitize.sh - strip confusing parts of Check error output
-## Copyright (C) 2017-2022 Free Software Foundation, Inc.
+## Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ## This file is part of GNU Emacs.
diff --git a/test/manual/noverlay/emacs-compat.h b/test/manual/noverlay/emacs-compat.h
index d2448b12db3..16fa66e8ae4 100644
--- a/test/manual/noverlay/emacs-compat.h
+++ b/test/manual/noverlay/emacs-compat.h
@@ -1,6 +1,6 @@
 /* Mock necessary parts of lisp.h.
-Copyright (C) 2017-2022 Free Software Foundation, Inc.
+Copyright (C) 2017-2023 Free Software Foundation, Inc.
 This file is part of GNU Emacs.
diff --git a/test/manual/noverlay/itree-tests.c b/test/manual/noverlay/itree-tests.c
index 8cab7bf84d4..0f1e4138954 100644
--- a/test/manual/noverlay/itree-tests.c
+++ b/test/manual/noverlay/itree-tests.c
@@ -1,6 +1,6 @@
 /* Test the interval data-structure in itree.c.
-Copyright (c) 2017-2022 Free Software Foundation, Inc.
+Copyright (c) 2017-2023 Free Software Foundation, Inc.
 This file is part of GNU Emacs.
diff --git a/test/manual/noverlay/overlay-perf.el b/test/manual/noverlay/overlay-perf.el
index 4d79254a538..970b4541d9a 100644
--- a/test/manual/noverlay/overlay-perf.el
+++ b/test/manual/noverlay/overlay-perf.el
@@ -1,4 +1,24 @@
 ;; -*- lexical-binding:t -*-
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
+;; This file is part of GNU Emacs.
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+;;; Code:
 (require 'cl-lib)
 (require 'subr-x)
 (require 'seq)
diff --git a/test/manual/process-callout-tests.el b/test/manual/process-callout-tests.el
index 0bb960cf909..a284dff50ad 100644
--- a/test/manual/process-callout-tests.el
+++ b/test/manual/process-callout-tests.el
@@ -1,6 +1,6 @@
 ;;; process-callout-tests.el --- Testing the process facilities -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/manual/redisplay-testsuite.el b/test/manual/redisplay-testsuite.el
index 01b0a895a42..837f7417582 100644
--- a/test/manual/redisplay-testsuite.el
+++ b/test/manual/redisplay-testsuite.el
@@ -1,6 +1,6 @@
 ;;; redisplay-testsuite.el --- Test suite for redisplay.  -*- lexical-binding: t; -*-
-;; Copyright (C) 2009-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2023 Free Software Foundation, Inc.
 ;; Author: Chong Yidong <cyd@stupidchicken.com>
 ;; Keywords:       internal
diff --git a/test/manual/scroll-tests.el b/test/manual/scroll-tests.el
index e4a9e7cd6f3..c2a4ef17bff 100644
--- a/test/manual/scroll-tests.el
+++ b/test/manual/scroll-tests.el
@@ -1,6 +1,6 @@
 ;;; scroll-tests.el --- tests for scrolling -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/misc/test-custom-deps.el b/test/misc/test-custom-deps.el
index 7836612bd33..9e5ba01fc5b 100644
--- a/test/misc/test-custom-deps.el
+++ b/test/misc/test-custom-deps.el
@@ -1,6 +1,6 @@
 ;;; test-custom-deps.el --- Test custom deps  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/misc/test-custom-libs.el b/test/misc/test-custom-libs.el
index d9aa955ccba..eb565de8eee 100644
--- a/test/misc/test-custom-libs.el
+++ b/test/misc/test-custom-libs.el
@@ -1,6 +1,6 @@
 ;;; test-custom-libs.el --- Test custom loads  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/misc/test-custom-noloads.el b/test/misc/test-custom-noloads.el
index 15cdbc66238..585831aa466 100644
--- a/test/misc/test-custom-noloads.el
+++ b/test/misc/test-custom-noloads.el
@@ -1,6 +1,6 @@
 ;;; test-custom-noloads.el --- Test custom noloads  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/misc/test-custom-opts.el b/test/misc/test-custom-opts.el
index 21809a9a971..f37553382c4 100644
--- a/test/misc/test-custom-opts.el
+++ b/test/misc/test-custom-opts.el
@@ -1,6 +1,6 @@
 ;;; test-custom-opts.el --- Test custom opts  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/alloc-tests.el b/test/src/alloc-tests.el
index 967833e1903..19330e4a79c 100644
--- a/test/src/alloc-tests.el
+++ b/test/src/alloc-tests.el
@@ -1,6 +1,6 @@
 ;;; alloc-tests.el --- alloc tests -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Daniel Colascione <dancol@dancol.org>
 ;; Keywords:
diff --git a/test/src/buffer-tests.el b/test/src/buffer-tests.el
index 0e6d717cbb0..e5de8f3464a 100644
--- a/test/src/buffer-tests.el
+++ b/test/src/buffer-tests.el
@@ -1,6 +1,6 @@
 ;;; buffer-tests.el --- tests for buffer.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/callint-tests.el b/test/src/callint-tests.el
index 5a633fdc2bd..4f7cceef619 100644
--- a/test/src/callint-tests.el
+++ b/test/src/callint-tests.el
@@ -1,6 +1,6 @@
 ;;; callint-tests.el --- unit tests for callint.c    -*- lexical-binding: t; -*-
-;; Copyright (C) 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2018-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/src/callproc-tests.el b/test/src/callproc-tests.el
index f44c7e199f6..8ee40a46c11 100644
--- a/test/src/callproc-tests.el
+++ b/test/src/callproc-tests.el
@@ -1,6 +1,6 @@
 ;;; callproc-tests.el --- callproc.c tests -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/casefiddle-tests.el b/test/src/casefiddle-tests.el
index 652af417293..e7f4348b0c6 100644
--- a/test/src/casefiddle-tests.el
+++ b/test/src/casefiddle-tests.el
@@ -1,6 +1,6 @@
 ;;; casefiddle-tests.el --- tests for casefiddle.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2016, 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2016, 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/character-tests.el b/test/src/character-tests.el
index f83bac333d7..76026ffc3a9 100644
--- a/test/src/character-tests.el
+++ b/test/src/character-tests.el
@@ -1,6 +1,6 @@
 ;;; character-tests.el --- tests for character.c  -*- lexical-binding:t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/charset-tests.el b/test/src/charset-tests.el
index 51eb040e77a..34788ecbc05 100644
--- a/test/src/charset-tests.el
+++ b/test/src/charset-tests.el
@@ -1,6 +1,6 @@
 ;;; charset-tests.el --- Tests for charset.c -*- lexical-binding: t -*-
-;; Copyright 2017-2022 Free Software Foundation, Inc.
+;; Copyright 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/chartab-tests.el b/test/src/chartab-tests.el
index e4c4b065376..6433d3d09bb 100644
--- a/test/src/chartab-tests.el
+++ b/test/src/chartab-tests.el
@@ -1,6 +1,6 @@
 ;;; chartab-tests.el --- Tests for char-tab.c -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Eli Zaretskii <eliz@gnu.org>
diff --git a/test/src/cmds-tests.el b/test/src/cmds-tests.el
index 73e933eb372..70d3d09e9d5 100644
--- a/test/src/cmds-tests.el
+++ b/test/src/cmds-tests.el
@@ -1,6 +1,6 @@
 ;;; cmds-tests.el --- Testing some Emacs commands -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Nicolas Richard <youngfrog@members.fsf.org>
 ;; Keywords:
diff --git a/test/src/coding-tests.el b/test/src/coding-tests.el
index f65d575d0c2..6bd8d1ae6c4 100644
--- a/test/src/coding-tests.el
+++ b/test/src/coding-tests.el
@@ -1,6 +1,6 @@
 ;;; coding-tests.el --- tests for text encoding and decoding -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Eli Zaretskii <eliz@gnu.org>
 ;; Author: Kenichi Handa <handa@gnu.org>
diff --git a/test/src/comp-resources/comp-test-funcs-dyn.el b/test/src/comp-resources/comp-test-funcs-dyn.el
index 07f8671c6d9..7f9daf67019 100644
--- a/test/src/comp-resources/comp-test-funcs-dyn.el
+++ b/test/src/comp-resources/comp-test-funcs-dyn.el
@@ -1,6 +1,6 @@
 ;;; comp-test-funcs-dyn.el --- compilation unit tested by comp-tests.el -*- lexical-binding: nil; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Andrea Corallo <akrl@sdf.org>
diff --git a/test/src/comp-resources/comp-test-funcs.el b/test/src/comp-resources/comp-test-funcs.el
index 03925d4d2e8..fff881dd595 100644
--- a/test/src/comp-resources/comp-test-funcs.el
+++ b/test/src/comp-resources/comp-test-funcs.el
@@ -1,6 +1,6 @@
 ;;; comp-test-funcs.el --- compilation unit tested by comp-tests.el -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Andrea Corallo <akrl@sdf.org>
diff --git a/test/src/comp-resources/comp-test-pure.el b/test/src/comp-resources/comp-test-pure.el
index 788739e04cc..9b4c1ee2dae 100644
--- a/test/src/comp-resources/comp-test-pure.el
+++ b/test/src/comp-resources/comp-test-pure.el
@@ -1,6 +1,6 @@
 ;;; comp-test-pure.el --- compilation unit tested by comp-tests.el -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; Author: Andrea Corallo <akrl@sdf.org>
diff --git a/test/src/comp-tests.el b/test/src/comp-tests.el
index 4e512098a3d..926ba27e563 100644
--- a/test/src/comp-tests.el
+++ b/test/src/comp-tests.el
@@ -1,6 +1,6 @@
 ;;; comp-tests.el --- unit tests for src/comp.c      -*- lexical-binding: t; -*-
-;; Copyright (C) 2019-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2019-2023 Free Software Foundation, Inc.
 ;; Author: Andrea Corallo <akrl@sdf.org>
diff --git a/test/src/data-tests.el b/test/src/data-tests.el
index 463a894d095..28cee9d2c5b 100644
--- a/test/src/data-tests.el
+++ b/test/src/data-tests.el
@@ -1,6 +1,6 @@
 ;;; data-tests.el --- tests for src/data.c  -*- lexical-binding:t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/decompress-tests.el b/test/src/decompress-tests.el
index 47d67b7bda4..1052ecee5c1 100644
--- a/test/src/decompress-tests.el
+++ b/test/src/decompress-tests.el
@@ -1,6 +1,6 @@
 ;;; decompress-tests.el --- Test suite for decompress. -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
diff --git a/test/src/doc-tests.el b/test/src/doc-tests.el
index ee4f02347ec..79cac8c3d64 100644
--- a/test/src/doc-tests.el
+++ b/test/src/doc-tests.el
@@ -1,6 +1,6 @@
 ;;; doc-tests.el --- tests for doc.c functions  -*- lexical-binding: t -*-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/editfns-tests.el b/test/src/editfns-tests.el
index 5fe896fbbd1..a3353cc25a6 100644
--- a/test/src/editfns-tests.el
+++ b/test/src/editfns-tests.el
@@ -1,6 +1,6 @@
 ;;; editfns-tests.el --- tests for editfns.c  -*- lexical-binding:t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/emacs-module-resources/mod-test.c b/test/src/emacs-module-resources/mod-test.c
index b47a0b7a39b..5dfa6ed4b85 100644
--- a/test/src/emacs-module-resources/mod-test.c
+++ b/test/src/emacs-module-resources/mod-test.c
@@ -1,6 +1,6 @@
 /* Test GNU Emacs modules.
-Copyright 2015-2022 Free Software Foundation, Inc.
+Copyright 2015-2023 Free Software Foundation, Inc.
 This file is part of GNU Emacs.
diff --git a/test/src/emacs-module-tests.el b/test/src/emacs-module-tests.el
index a9a45d54632..ac88011b543 100644
--- a/test/src/emacs-module-tests.el
+++ b/test/src/emacs-module-tests.el
@@ -1,6 +1,6 @@
 ;;; emacs-module-tests.el --- Test GNU Emacs modules.  -*- lexical-binding: t; -*-
-;; Copyright 2015-2022 Free Software Foundation, Inc.
+;; Copyright 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/emacs-tests.el b/test/src/emacs-tests.el
index 52888135c12..0ea197d07f8 100644
--- a/test/src/emacs-tests.el
+++ b/test/src/emacs-tests.el
@@ -1,6 +1,6 @@
 ;;; emacs-tests.el --- unit tests for emacs.c -*- lexical-binding: t; -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/eval-tests.el b/test/src/eval-tests.el
index 0e12e4dbd8a..1e7edca3bac 100644
--- a/test/src/eval-tests.el
+++ b/test/src/eval-tests.el
@@ -1,6 +1,6 @@
 ;;; eval-tests.el --- unit tests for src/eval.c      -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/src/fileio-tests.el b/test/src/fileio-tests.el
index 08582c8a862..50642420ce9 100644
--- a/test/src/fileio-tests.el
+++ b/test/src/fileio-tests.el
@@ -1,6 +1,6 @@
 ;;; fileio-tests.el --- unit tests for src/fileio.c      -*- lexical-binding: t; -*-
-;; Copyright 2017-2022 Free Software Foundation, Inc.
+;; Copyright 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/filelock-tests.el b/test/src/filelock-tests.el
index 97642669a0d..1f055cfebc6 100644
--- a/test/src/filelock-tests.el
+++ b/test/src/filelock-tests.el
@@ -1,6 +1,6 @@
 ;;; filelock-tests.el --- test file locking -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/floatfns-tests.el b/test/src/floatfns-tests.el
index aa709e3c2f5..97c855a43fa 100644
--- a/test/src/floatfns-tests.el
+++ b/test/src/floatfns-tests.el
@@ -1,6 +1,6 @@
 ;;; floatfns-tests.el --- tests for floating point operations -*- lexical-binding: t -*-
-;; Copyright 2017-2022 Free Software Foundation, Inc.
+;; Copyright 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/fns-tests.el b/test/src/fns-tests.el
index 7568d941d03..e0d6c96b360 100644
--- a/test/src/fns-tests.el
+++ b/test/src/fns-tests.el
@@ -1,6 +1,6 @@
 ;;; fns-tests.el --- tests for src/fns.c  -*- lexical-binding:t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/font-tests.el b/test/src/font-tests.el
index 683d331d753..2bd20be21dc 100644
--- a/test/src/font-tests.el
+++ b/test/src/font-tests.el
@@ -1,6 +1,6 @@
 ;;; font-tests.el --- Test suite for font-related functions. -*- lexical-binding: t -*-
-;; Copyright (C) 2011-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
 ;; Author: Chong Yidong <cyd@stupidchicken.com>
 ;; Keywords:       internal
diff --git a/test/src/image-tests.el b/test/src/image-tests.el
index d1a4dad37b9..317f4d3aab6 100644
--- a/test/src/image-tests.el
+++ b/test/src/image-tests.el
@@ -1,6 +1,6 @@
 ;;; image-tests.el --- Tests for image.c  -*- lexical-binding: t -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; Author: Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/src/indent-tests.el b/test/src/indent-tests.el
index e6b1fde6e18..9e111bf3476 100644
--- a/test/src/indent-tests.el
+++ b/test/src/indent-tests.el
@@ -1,6 +1,6 @@
 ;;; indent-tests.el --- tests for src/indent.c  -*- lexical-binding:t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/inotify-tests.el b/test/src/inotify-tests.el
index 295b184be0e..cebf4421fd5 100644
--- a/test/src/inotify-tests.el
+++ b/test/src/inotify-tests.el
@@ -1,6 +1,6 @@
 ;;; inotify-tests.el --- Test suite for inotify. -*- lexical-binding: t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
 ;; Keywords:       internal
diff --git a/test/src/json-tests.el b/test/src/json-tests.el
index 3560e1abc96..93e1273d7d6 100644
--- a/test/src/json-tests.el
+++ b/test/src/json-tests.el
@@ -1,6 +1,6 @@
 ;;; json-tests.el --- unit tests for json.c          -*- lexical-binding: t; -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/keyboard-tests.el b/test/src/keyboard-tests.el
index d17c9d96a63..3393c1d9018 100644
--- a/test/src/keyboard-tests.el
+++ b/test/src/keyboard-tests.el
@@ -1,6 +1,6 @@
 ;;; keyboard-tests.el --- Tests for keyboard.c -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/keymap-tests.el b/test/src/keymap-tests.el
index ce96be6869e..b7715a280a6 100644
--- a/test/src/keymap-tests.el
+++ b/test/src/keymap-tests.el
@@ -1,6 +1,6 @@
 ;;; keymap-tests.el --- Test suite for src/keymap.c -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Juanma Barranquero <lekktu@gmail.com>
 ;;         Stefan Kangas <stefankangas@gmail.com>
diff --git a/test/src/lcms-tests.el b/test/src/lcms-tests.el
index 7f0f660d13e..e34542b1921 100644
--- a/test/src/lcms-tests.el
+++ b/test/src/lcms-tests.el
@@ -1,6 +1,6 @@
 ;;; lcms-tests.el --- tests for Little CMS interface -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/src/lread-tests.el b/test/src/lread-tests.el
index 57143dd81e5..459a06a39b6 100644
--- a/test/src/lread-tests.el
+++ b/test/src/lread-tests.el
@@ -1,6 +1,6 @@
 ;;; lread-tests.el --- tests for lread.c -*- lexical-binding: t; -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; Author: Philipp Stephani <phst@google.com>
diff --git a/test/src/marker-tests.el b/test/src/marker-tests.el
index 32e4804fe7d..b766466a38a 100644
--- a/test/src/marker-tests.el
+++ b/test/src/marker-tests.el
@@ -1,6 +1,6 @@
 ;;; marker-tests.el --- tests for marker.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/minibuf-tests.el b/test/src/minibuf-tests.el
index 68800729502..f096624cb27 100644
--- a/test/src/minibuf-tests.el
+++ b/test/src/minibuf-tests.el
@@ -1,6 +1,6 @@
 ;;; minibuf-tests.el --- tests for minibuf.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/print-tests.el b/test/src/print-tests.el
index faab196f22f..a67099c147f 100644
--- a/test/src/print-tests.el
+++ b/test/src/print-tests.el
@@ -1,6 +1,6 @@
 ;;; print-tests.el --- tests for src/print.c         -*- lexical-binding: t; -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/process-tests.el b/test/src/process-tests.el
index f0b9dc0fb92..e17e1c0d833 100644
--- a/test/src/process-tests.el
+++ b/test/src/process-tests.el
@@ -1,6 +1,6 @@
 ;;; process-tests.el --- Testing the process facilities -*- lexical-binding: t -*-
-;; Copyright (C) 2013-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/regex-emacs-tests.el b/test/src/regex-emacs-tests.el
index 977b2f63715..34fa35e32ff 100644
--- a/test/src/regex-emacs-tests.el
+++ b/test/src/regex-emacs-tests.el
@@ -1,6 +1,6 @@
 ;;; regex-emacs-tests.el --- tests for regex-emacs.c -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/search-tests.el b/test/src/search-tests.el
index 2fa23842841..293a715f5dc 100644
--- a/test/src/search-tests.el
+++ b/test/src/search-tests.el
@@ -1,6 +1,6 @@
 ;;; search-tests.el --- tests for search.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2016, 2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2016, 2018-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/sqlite-tests.el b/test/src/sqlite-tests.el
index a2472c43dad..460651def78 100644
--- a/test/src/sqlite-tests.el
+++ b/test/src/sqlite-tests.el
@@ -1,6 +1,6 @@
 ;;; sqlite-tests.el --- Tests for sqlite.el  -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/syntax-tests.el b/test/src/syntax-tests.el
index 751a900a23e..0ad3667c060 100644
--- a/test/src/syntax-tests.el
+++ b/test/src/syntax-tests.el
@@ -1,6 +1,6 @@
 ;;; syntax-tests.el --- tests for syntax.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2017-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2017-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/textprop-tests.el b/test/src/textprop-tests.el
index d6cee6b6cbe..12349a79497 100644
--- a/test/src/textprop-tests.el
+++ b/test/src/textprop-tests.el
@@ -1,6 +1,6 @@
 ;;; textprop-tests.el --- Test suite for text properties. -*- lexical-binding: t -*-
-;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
 ;; Author: Wolfgang Jenkner <wjenkner@inode.at>
 ;; Keywords: internal
diff --git a/test/src/thread-tests.el b/test/src/thread-tests.el
index 731fa893c1f..cfa253fb48e 100644
--- a/test/src/thread-tests.el
+++ b/test/src/thread-tests.el
@@ -1,6 +1,6 @@
 ;;; thread-tests.el --- tests for threads. -*- lexical-binding: t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/timefns-tests.el b/test/src/timefns-tests.el
index 24f9000ffbd..ca4ec308926 100644
--- a/test/src/timefns-tests.el
+++ b/test/src/timefns-tests.el
@@ -1,6 +1,6 @@
 ;;; timefns-tests.el --- tests for timefns.c -*- lexical-binding: t -*-
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/treesit-tests.el b/test/src/treesit-tests.el
index f7f0c96efa9..a2ab3be7cd8 100644
--- a/test/src/treesit-tests.el
+++ b/test/src/treesit-tests.el
@@ -1,6 +1,6 @@
 ;;; treesit-tests.el --- tests for src/treesit.c         -*- lexical-binding: t; -*-
-;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/undo-tests.el b/test/src/undo-tests.el
index cb0822fb1b9..84151d3b5db 100644
--- a/test/src/undo-tests.el
+++ b/test/src/undo-tests.el
@@ -1,6 +1,6 @@
 ;;; undo-tests.el --- Tests of primitive-undo -*- lexical-binding: t -*-
-;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
 ;; Author: Aaron S. Hawley <aaron.s.hawley@gmail.com>
diff --git a/test/src/xdisp-tests.el b/test/src/xdisp-tests.el
index 6ff64d0431a..52ed79b0f20 100644
--- a/test/src/xdisp-tests.el
+++ b/test/src/xdisp-tests.el
@@ -1,6 +1,6 @@
 ;;; xdisp-tests.el --- tests for xdisp.c functions -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/xfaces-tests.el b/test/src/xfaces-tests.el
index 16f16537918..d8707a0a08e 100644
--- a/test/src/xfaces-tests.el
+++ b/test/src/xfaces-tests.el
@@ -1,6 +1,6 @@
 ;;; xfaces-tests.el --- tests for xfaces.c           -*- lexical-binding: t -*-
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 ;; This file is part of GNU Emacs.
diff --git a/test/src/xml-tests.el b/test/src/xml-tests.el
index 6a8290bd0c8..dfb897ba011 100644
--- a/test/src/xml-tests.el
+++ b/test/src/xml-tests.el
@@ -1,6 +1,6 @@
 ;;; xml-tests.el --- Test suite for libxml parsing. -*- lexical-binding: t -*-
-;; Copyright (C) 2014-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2023 Free Software Foundation, Inc.
 ;; Author: Ulf Jasper <ulf.jasper@web.de>
 ;; Keywords:       internal
author	Eli Zaretskii	2023-01-01 05:47:47 -0500
committer	Eli Zaretskii	2023-01-01 05:47:47 -0500
commit	3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2 (patch)
tree	bc5715fea2ff0ae8830afdee165dcaa22344f159 /test
parent	df192b5153f9d0c9b371f28f6460a038cba8a987 (diff)
parent	cae528457cb862dc886a34240c9d4c73035b6659 (diff)
download	emacs-3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2.tar.gz emacs-3c55fbd4adfcf5d0d0ee8fdbbd6f012fa951f0b2.zip