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

51 files changed, 51 insertions, 51 deletions

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