diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d6d934bb..1d0fa1fdc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007-2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2008-2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/Makefile.am b/Makefile.am
index e6f793348..972ef4502 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2005 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2006-2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/README.adoc b/README.adoc
index 479499c34..0fb485fea 100644
--- a/README.adoc
+++ b/README.adoc
@@ -45,7 +45,7 @@ For detailed instructions, please check the https://weechat.org/doc/user/#instal
 
 == Copyright
 
-Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 
 This file is part of WeeChat, the extensible chat client.
 
diff --git a/autogen.sh b/autogen.sh
index 887a4e4fc..c6c872e30 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2005 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/cmake/FindAsciidoctor.cmake b/cmake/FindAsciidoctor.cmake
index b5c0748cd..0a5824334 100644
--- a/cmake/FindAsciidoctor.cmake
+++ b/cmake/FindAsciidoctor.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindAspell.cmake b/cmake/FindAspell.cmake
index 86fb4246f..fb36a765c 100644
--- a/cmake/FindAspell.cmake
+++ b/cmake/FindAspell.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindCppUTest.cmake b/cmake/FindCppUTest.cmake
index ee5dbfdd2..236bf3b1f 100644
--- a/cmake/FindCppUTest.cmake
+++ b/cmake/FindCppUTest.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindGCRYPT.cmake b/cmake/FindGCRYPT.cmake
index c8ac35ac7..21a878fa7 100644
--- a/cmake/FindGCRYPT.cmake
+++ b/cmake/FindGCRYPT.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindGettext.cmake b/cmake/FindGettext.cmake
index b59a4d58f..358734688 100644
--- a/cmake/FindGettext.cmake
+++ b/cmake/FindGettext.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/cmake/FindGnuTLS.cmake b/cmake/FindGnuTLS.cmake
index 2c2d949a1..f7691dcc8 100644
--- a/cmake/FindGnuTLS.cmake
+++ b/cmake/FindGnuTLS.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/cmake/FindGuile.cmake b/cmake/FindGuile.cmake
index bfebf117f..9ade1de30 100644
--- a/cmake/FindGuile.cmake
+++ b/cmake/FindGuile.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindIconv.cmake b/cmake/FindIconv.cmake
index 8eee3c0de..c20429b03 100644
--- a/cmake/FindIconv.cmake
+++ b/cmake/FindIconv.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindLua.cmake b/cmake/FindLua.cmake
index b6e30a2f1..43badcd72 100644
--- a/cmake/FindLua.cmake
+++ b/cmake/FindLua.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindNcurses.cmake b/cmake/FindNcurses.cmake
index f31aa4b4e..1ceb0f7f0 100644
--- a/cmake/FindNcurses.cmake
+++ b/cmake/FindNcurses.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindPHP.cmake b/cmake/FindPHP.cmake
index 14646466e..2e5e1eed9 100644
--- a/cmake/FindPHP.cmake
+++ b/cmake/FindPHP.cmake
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2017 Adam Saponara <as@php.net>
-# Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindPerl.cmake b/cmake/FindPerl.cmake
index 975ed8fcc..933cf4f01 100644
--- a/cmake/FindPerl.cmake
+++ b/cmake/FindPerl.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindPython.cmake b/cmake/FindPython.cmake
index f7730ad67..87c3d790c 100644
--- a/cmake/FindPython.cmake
+++ b/cmake/FindPython.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/cmake/FindRuby.cmake b/cmake/FindRuby.cmake
index 2042d244d..51041e127 100644
--- a/cmake/FindRuby.cmake
+++ b/cmake/FindRuby.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/FindV8.cmake b/cmake/FindV8.cmake
index 01630d737..911d61214 100644
--- a/cmake/FindV8.cmake
+++ b/cmake/FindV8.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/cmake/cmake_uninstall.cmake.in b/cmake/cmake_uninstall.cmake.in
index 357c2c2dd..4b20bd20b 100644
--- a/cmake/cmake_uninstall.cmake.in
+++ b/cmake/cmake_uninstall.cmake.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/configure.ac b/configure.ac
index 6bb10a2e9..0c8e3ff2f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2005 Benoit Papillault <benoit.papillault@free.fr>
 # Copyright (C) 2005-2006 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2005-2009 Emmanuel Bouthenot <kolter@openics.org>
diff --git a/debian-stable/copyright b/debian-stable/copyright
index 1fed3560a..163cb7ea0 100644
--- a/debian-stable/copyright
+++ b/debian-stable/copyright
@@ -4,7 +4,7 @@ Upstream-Contact: Sébastien Helleu <flashcode@flashtux.org>
 Source: https://weechat.org/
 
 Files: *
-Copyright: 2003-2022, Sébastien Helleu <flashcode@flashtux.org>
+Copyright: 2003-2023, Sébastien Helleu <flashcode@flashtux.org>
 License: GPL-3+
 
 Files: src/core/wee-command.c
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 2837321d7..57d58ca6d 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 7074f80d4..ead933a18 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/cs/CMakeLists.txt b/doc/cs/CMakeLists.txt
index e38d6cc25..c7ce978ec 100644
--- a/doc/cs/CMakeLists.txt
+++ b/doc/cs/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/cs/Makefile.am b/doc/cs/Makefile.am
index 5952cf21c..22c59334e 100644
--- a/doc/cs/Makefile.am
+++ b/doc/cs/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/cs/includes/man.cs.adoc b/doc/cs/includes/man.cs.adoc
index a86d06b3c..00d666306 100644
--- a/doc/cs/includes/man.cs.adoc
+++ b/doc/cs/includes/man.cs.adoc
@@ -99,7 +99,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat je napsán Sébastienem Helleu a přispěvovateli (kompletní seznam je v
 souboru AUTHORS.adoc).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/de/CMakeLists.txt b/doc/de/CMakeLists.txt
index 84c37359f..9191dcc39 100644
--- a/doc/de/CMakeLists.txt
+++ b/doc/de/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/de/Makefile.am b/doc/de/Makefile.am
index 9d524fa62..3f4dceb3e 100644
--- a/doc/de/Makefile.am
+++ b/doc/de/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/de/includes/man.de.adoc b/doc/de/includes/man.de.adoc
index b70db684c..e752836bf 100644
--- a/doc/de/includes/man.de.adoc
+++ b/doc/de/includes/man.de.adoc
@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat wird programmiert von Sébastien Helleu und weiteren Beteiligten (eine vollständige Auflistung
 findet man in der AUTHORS.adoc Datei).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/docgen.py b/doc/docgen.py
index 3c4476d37..436d8b90a 100644
--- a/doc/docgen.py
+++ b/doc/docgen.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/doc/docinfo.html b/doc/docinfo.html
index 7665f3405..c2e081b60 100644
--- a/doc/docinfo.html
+++ b/doc/docinfo.html
@@ -1,6 +1,6 @@
 <!--
   Custom styles for Asciidoctor
-  Copyright (C) 2016-2022 Sébastien Helleu <flashcode@flashtux.org>
+  Copyright (C) 2016-2023 Sébastien Helleu <flashcode@flashtux.org>
 -->
 <style>
 
diff --git a/doc/en/CMakeLists.txt b/doc/en/CMakeLists.txt
index 696a58d22..28a7fdb94 100644
--- a/doc/en/CMakeLists.txt
+++ b/doc/en/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/en/Makefile.am b/doc/en/Makefile.am
index 4510da1aa..539f61518 100644
--- a/doc/en/Makefile.am
+++ b/doc/en/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/en/includes/man.en.adoc b/doc/en/includes/man.en.adoc
index e52677df5..90d492887 100644
--- a/doc/en/includes/man.en.adoc
+++ b/doc/en/includes/man.en.adoc
@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/en/weechat_dev.en.adoc b/doc/en/weechat_dev.en.adoc
index b990a3f46..e644c0067 100644
--- a/doc/en/weechat_dev.en.adoc
+++ b/doc/en/weechat_dev.en.adoc
@@ -530,7 +530,7 @@ Example in C:
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2022 Your Name <your@email.com>
+ * Copyright (C) 2023 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/doc/es/CMakeLists.txt b/doc/es/CMakeLists.txt
index 8e5f1f9d1..476b26549 100644
--- a/doc/es/CMakeLists.txt
+++ b/doc/es/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/es/Makefile.am b/doc/es/Makefile.am
index 4b649f6f0..10133deba 100644
--- a/doc/es/Makefile.am
+++ b/doc/es/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/fr/CMakeLists.txt b/doc/fr/CMakeLists.txt
index 7c746731f..78652e435 100644
--- a/doc/fr/CMakeLists.txt
+++ b/doc/fr/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/fr/Makefile.am b/doc/fr/Makefile.am
index b3205f2b9..76ae8da48 100644
--- a/doc/fr/Makefile.am
+++ b/doc/fr/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/fr/includes/man.fr.adoc b/doc/fr/includes/man.fr.adoc
index a36920899..53b663275 100644
--- a/doc/fr/includes/man.fr.adoc
+++ b/doc/fr/includes/man.fr.adoc
@@ -102,7 +102,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat est écrit par Sébastien Helleu et des contributeurs (la liste complète
 est dans le fichier AUTHORS.adoc).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat est un logiciel libre ; vous pouvez le redistribuer et/ou le modifier
 sous les termes de la GNU General Public License telle que publiée par la
diff --git a/doc/fr/weechat_dev.fr.adoc b/doc/fr/weechat_dev.fr.adoc
index 453dc83af..d0cf873c7 100644
--- a/doc/fr/weechat_dev.fr.adoc
+++ b/doc/fr/weechat_dev.fr.adoc
@@ -532,7 +532,7 @@ Exemple en C :
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2022 Your Name <your@email.com>
+ * Copyright (C) 2023 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/doc/it/CMakeLists.txt b/doc/it/CMakeLists.txt
index ba5bc46cf..abe642b22 100644
--- a/doc/it/CMakeLists.txt
+++ b/doc/it/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/it/Makefile.am b/doc/it/Makefile.am
index ee1aa25c7..8aa34eb05 100644
--- a/doc/it/Makefile.am
+++ b/doc/it/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/it/includes/man.it.adoc b/doc/it/includes/man.it.adoc
index 96598469d..50ec77497 100644
--- a/doc/it/includes/man.it.adoc
+++ b/doc/it/includes/man.it.adoc
@@ -103,7 +103,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/ja/CMakeLists.txt b/doc/ja/CMakeLists.txt
index 94bf0d5e9..c75e2170a 100644
--- a/doc/ja/CMakeLists.txt
+++ b/doc/ja/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ja/Makefile.am b/doc/ja/Makefile.am
index d569414cf..474512970 100644
--- a/doc/ja/Makefile.am
+++ b/doc/ja/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ja/includes/man.ja.adoc b/doc/ja/includes/man.ja.adoc
index 5246d52c2..75190f68b 100644
--- a/doc/ja/includes/man.ja.adoc
+++ b/doc/ja/includes/man.ja.adoc
@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat は Sébastien Helleu さんと貢献者によって作成されています
 (完全なリストは AUTHORS.adoc ファイルを参照してください)。
 
-著作権 (C) 2003-2022 {author}
+著作権 (C) 2003-2023 {author}
 
 WeeChat はフリーソフトウェアです。あなたはこれを、フリーソフトウェア財団によって発行された
 GNU 一般公衆利用許諾契約書 (バージョン 2 か、希望によってはそれ以降のバージョンのうちどれか)
diff --git a/doc/ja/weechat_dev.ja.adoc b/doc/ja/weechat_dev.ja.adoc
index 69d3a72b9..cab9f952d 100644
--- a/doc/ja/weechat_dev.ja.adoc
+++ b/doc/ja/weechat_dev.ja.adoc
@@ -590,7 +590,7 @@ WeeChat とプラグインの翻訳は gettext で行います、ファイルは
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2022 Your Name <your@email.com>
+ * Copyright (C) 2023 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/doc/pl/CMakeLists.txt b/doc/pl/CMakeLists.txt
index e768a5471..751b88f73 100644
--- a/doc/pl/CMakeLists.txt
+++ b/doc/pl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/pl/Makefile.am b/doc/pl/Makefile.am
index 464740321..8cf2ec2a2 100644
--- a/doc/pl/Makefile.am
+++ b/doc/pl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/pl/includes/man.pl.adoc b/doc/pl/includes/man.pl.adoc
index d269efd08..7b40318d1 100644
--- a/doc/pl/includes/man.pl.adoc
+++ b/doc/pl/includes/man.pl.adoc
@@ -101,7 +101,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat jest tworzony przez Sébastien Helleu i społeczność (pełna lista dostępna
 jest w pliku AUTHORS.adoc).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/python_stub.py b/doc/python_stub.py
index aae055ec5..d68212667 100755
--- a/doc/python_stub.py
+++ b/doc/python_stub.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 #
 # Copyright (C) 2019 Simmo Saan <simmo.saan@gmail.com>
-# Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/doc/ru/CMakeLists.txt b/doc/ru/CMakeLists.txt
index 5f80a7c6d..c6117bd36 100644
--- a/doc/ru/CMakeLists.txt
+++ b/doc/ru/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ru/Makefile.am b/doc/ru/Makefile.am
index f7ce54dd8..76da3c961 100644
--- a/doc/ru/Makefile.am
+++ b/doc/ru/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ru/includes/man.ru.adoc b/doc/ru/includes/man.ru.adoc
index a422baf52..718b513d5 100644
--- a/doc/ru/includes/man.ru.adoc
+++ b/doc/ru/includes/man.ru.adoc
@@ -99,7 +99,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat написан Sébastien Helleu и другими участниками (полный список находится
 в файле AUTHORS.adoc).
 
-Copyright (C) 2003-2022 {author}
+Copyright (C) 2003-2023 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/doc/sr/CMakeLists.txt b/doc/sr/CMakeLists.txt
index f85ac61b0..f527b1e39 100644
--- a/doc/sr/CMakeLists.txt
+++ b/doc/sr/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/sr/Makefile.am b/doc/sr/Makefile.am
index db9192733..73a978368 100644
--- a/doc/sr/Makefile.am
+++ b/doc/sr/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/doc/sr/includes/man.sr.adoc b/doc/sr/includes/man.sr.adoc
index 4a0982dac..94f1be610 100644
--- a/doc/sr/includes/man.sr.adoc
+++ b/doc/sr/includes/man.sr.adoc
@@ -97,7 +97,7 @@ $HOME/.config/weechat/weechat.log::
 // tag::copyright[]
 Програм WeeChat је написао Себастијен Елеу и људи који су дали свој допринос (комплетна листа се налази у фајлу AUTHORS.adoc).
 
-Ауторска права (C) 2003-2022 {author}
+Ауторска права (C) 2003-2023 {author}
 
 WeeChat је слободни софтвер; можете га редистрибуирати и/или изменити под условима ГНУ Опште Јавне Лиценце коју је објавила Free Software Foundation; или верзије 3 Лиценце, или (по вашој жељи) било којој каснијој верзији.
 
diff --git a/doc/sr/weechat_dev.sr.adoc b/doc/sr/weechat_dev.sr.adoc
index a06f4ea3f..af3bdf2f5 100644
--- a/doc/sr/weechat_dev.sr.adoc
+++ b/doc/sr/weechat_dev.sr.adoc
@@ -530,7 +530,7 @@ WeeChat „језгро” се налази у следећим директо
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2022 Your Name <your@email.com>
+ * Copyright (C) 2023 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/icons/CMakeLists.txt b/icons/CMakeLists.txt
index 39b44e794..5bc29a0e5 100644
--- a/icons/CMakeLists.txt
+++ b/icons/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/icons/Makefile.am b/icons/Makefile.am
index f9a782cce..3a19791ff 100644
--- a/icons/Makefile.am
+++ b/icons/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index d19810341..d2b4bf0f0 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/po/fr.po b/po/fr.po
index 3d3aef404..2dcb4090c 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2005-2006 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/po/weechat.pot b/po/weechat.pot
index ed1b8eaa1..9513e9275 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6a953e62b..51b6d072d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007-2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2008-2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/src/Makefile.am b/src/Makefile.am
index d3d3e7f03..53a7b3d1f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 78099ecd7..e4fd70250 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/src/core/Makefile.am b/src/core/Makefile.am
index eed6204d2..f918fc515 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/core/hook/wee-hook-command-run.c b/src/core/hook/wee-hook-command-run.c
index cb08b5352..2bec7d3b9 100644
--- a/src/core/hook/wee-hook-command-run.c
+++ b/src/core/hook/wee-hook-command-run.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-command-run.c - WeeChat command_run hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-command-run.h b/src/core/hook/wee-hook-command-run.h
index 2f0f7ff34..ef51bfaf5 100644
--- a/src/core/hook/wee-hook-command-run.h
+++ b/src/core/hook/wee-hook-command-run.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-command.c b/src/core/hook/wee-hook-command.c
index c5206f4d1..4b7b0048a 100644
--- a/src/core/hook/wee-hook-command.c
+++ b/src/core/hook/wee-hook-command.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-command.c - WeeChat command hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-command.h b/src/core/hook/wee-hook-command.h
index 70b4225af..41e28363e 100644
--- a/src/core/hook/wee-hook-command.h
+++ b/src/core/hook/wee-hook-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-completion.c b/src/core/hook/wee-hook-completion.c
index b277d1042..800a44722 100644
--- a/src/core/hook/wee-hook-completion.c
+++ b/src/core/hook/wee-hook-completion.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-completion.c - WeeChat completion hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-completion.h b/src/core/hook/wee-hook-completion.h
index d51222617..6b596c6c9 100644
--- a/src/core/hook/wee-hook-completion.h
+++ b/src/core/hook/wee-hook-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-config.c b/src/core/hook/wee-hook-config.c
index a95cb4d67..8f510c792 100644
--- a/src/core/hook/wee-hook-config.c
+++ b/src/core/hook/wee-hook-config.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-config.c - WeeChat config hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-config.h b/src/core/hook/wee-hook-config.h
index 09c6e07ef..93fa95095 100644
--- a/src/core/hook/wee-hook-config.h
+++ b/src/core/hook/wee-hook-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-connect.c b/src/core/hook/wee-hook-connect.c
index 8b562a31f..81e402eca 100644
--- a/src/core/hook/wee-hook-connect.c
+++ b/src/core/hook/wee-hook-connect.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-connect.c - WeeChat connect hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/hook/wee-hook-connect.h b/src/core/hook/wee-hook-connect.h
index b2f7a081c..447dc03ed 100644
--- a/src/core/hook/wee-hook-connect.h
+++ b/src/core/hook/wee-hook-connect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/hook/wee-hook-fd.c b/src/core/hook/wee-hook-fd.c
index 21fcad622..872e54546 100644
--- a/src/core/hook/wee-hook-fd.c
+++ b/src/core/hook/wee-hook-fd.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-fd.c - WeeChat fd hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-fd.h b/src/core/hook/wee-hook-fd.h
index accbcc896..942e2d6a2 100644
--- a/src/core/hook/wee-hook-fd.h
+++ b/src/core/hook/wee-hook-fd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-focus.c b/src/core/hook/wee-hook-focus.c
index 6f56517b8..ca1e6fe8d 100644
--- a/src/core/hook/wee-hook-focus.c
+++ b/src/core/hook/wee-hook-focus.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-focus.c - WeeChat focus hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-focus.h b/src/core/hook/wee-hook-focus.h
index 1494c14a3..a1c7009e7 100644
--- a/src/core/hook/wee-hook-focus.h
+++ b/src/core/hook/wee-hook-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-hdata.c b/src/core/hook/wee-hook-hdata.c
index 852d84693..118d5edb3 100644
--- a/src/core/hook/wee-hook-hdata.c
+++ b/src/core/hook/wee-hook-hdata.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-hdata.c - WeeChat hdata hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-hdata.h b/src/core/hook/wee-hook-hdata.h
index 4664a4a98..69a7b1d26 100644
--- a/src/core/hook/wee-hook-hdata.h
+++ b/src/core/hook/wee-hook-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-hsignal.c b/src/core/hook/wee-hook-hsignal.c
index 41e4917b4..de6e36289 100644
--- a/src/core/hook/wee-hook-hsignal.c
+++ b/src/core/hook/wee-hook-hsignal.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-hsignal.c - WeeChat hsignal hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-hsignal.h b/src/core/hook/wee-hook-hsignal.h
index c2ebe343a..66a747295 100644
--- a/src/core/hook/wee-hook-hsignal.h
+++ b/src/core/hook/wee-hook-hsignal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-info-hashtable.c b/src/core/hook/wee-hook-info-hashtable.c
index 1610b2649..a55e6aa61 100644
--- a/src/core/hook/wee-hook-info-hashtable.c
+++ b/src/core/hook/wee-hook-info-hashtable.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-info-hashtable.c - WeeChat info_hashtable hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-info-hashtable.h b/src/core/hook/wee-hook-info-hashtable.h
index 3dff70e69..226e8cd7e 100644
--- a/src/core/hook/wee-hook-info-hashtable.h
+++ b/src/core/hook/wee-hook-info-hashtable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-info.c b/src/core/hook/wee-hook-info.c
index d51e31f60..a05514197 100644
--- a/src/core/hook/wee-hook-info.c
+++ b/src/core/hook/wee-hook-info.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-info.c - WeeChat info hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-info.h b/src/core/hook/wee-hook-info.h
index 7f59441d2..900a79fb9 100644
--- a/src/core/hook/wee-hook-info.h
+++ b/src/core/hook/wee-hook-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-infolist.c b/src/core/hook/wee-hook-infolist.c
index 37c4d8d5a..4c2e36fda 100644
--- a/src/core/hook/wee-hook-infolist.c
+++ b/src/core/hook/wee-hook-infolist.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-infolist.c - WeeChat infolist hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-infolist.h b/src/core/hook/wee-hook-infolist.h
index 212f565ff..eda5102a3 100644
--- a/src/core/hook/wee-hook-infolist.h
+++ b/src/core/hook/wee-hook-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-line.c b/src/core/hook/wee-hook-line.c
index 366c9bf2e..4e55f8c3c 100644
--- a/src/core/hook/wee-hook-line.c
+++ b/src/core/hook/wee-hook-line.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-line.c - WeeChat line hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-line.h b/src/core/hook/wee-hook-line.h
index 6cc52267c..9d6160f54 100644
--- a/src/core/hook/wee-hook-line.h
+++ b/src/core/hook/wee-hook-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-modifier.c b/src/core/hook/wee-hook-modifier.c
index 5923fb325..9211f0475 100644
--- a/src/core/hook/wee-hook-modifier.c
+++ b/src/core/hook/wee-hook-modifier.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-modifier.c - WeeChat modifier hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-modifier.h b/src/core/hook/wee-hook-modifier.h
index 40d887697..276cf9d29 100644
--- a/src/core/hook/wee-hook-modifier.h
+++ b/src/core/hook/wee-hook-modifier.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-print.c b/src/core/hook/wee-hook-print.c
index 25986ebb5..debdc5436 100644
--- a/src/core/hook/wee-hook-print.c
+++ b/src/core/hook/wee-hook-print.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-print.c - WeeChat print hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-print.h b/src/core/hook/wee-hook-print.h
index 157caabb0..8eeb1eb0f 100644
--- a/src/core/hook/wee-hook-print.h
+++ b/src/core/hook/wee-hook-print.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-process.c b/src/core/hook/wee-hook-process.c
index 15366eb3b..a779f0144 100644
--- a/src/core/hook/wee-hook-process.c
+++ b/src/core/hook/wee-hook-process.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-process.c - WeeChat process hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-process.h b/src/core/hook/wee-hook-process.h
index f95a6e544..7418d8f94 100644
--- a/src/core/hook/wee-hook-process.h
+++ b/src/core/hook/wee-hook-process.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-signal.c b/src/core/hook/wee-hook-signal.c
index db8db4bc6..a18c9cbc7 100644
--- a/src/core/hook/wee-hook-signal.c
+++ b/src/core/hook/wee-hook-signal.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-signal.c - WeeChat signal hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-signal.h b/src/core/hook/wee-hook-signal.h
index 5a1c25183..46d03706a 100644
--- a/src/core/hook/wee-hook-signal.h
+++ b/src/core/hook/wee-hook-signal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-timer.c b/src/core/hook/wee-hook-timer.c
index 4dbe4d955..389b6329d 100644
--- a/src/core/hook/wee-hook-timer.c
+++ b/src/core/hook/wee-hook-timer.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook-timer.c - WeeChat timer hook
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/hook/wee-hook-timer.h b/src/core/hook/wee-hook-timer.h
index 45b00612b..da9cb2d33 100644
--- a/src/core/hook/wee-hook-timer.h
+++ b/src/core/hook/wee-hook-timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-arraylist.c b/src/core/wee-arraylist.c
index 2e1fe033e..e5e8267a7 100644
--- a/src/core/wee-arraylist.c
+++ b/src/core/wee-arraylist.c
@@ -1,7 +1,7 @@
 /*
  * wee-arraylist.c - array lists management
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-arraylist.h b/src/core/wee-arraylist.h
index 9f6940fae..8c6e85000 100644
--- a/src/core/wee-arraylist.h
+++ b/src/core/wee-arraylist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-backtrace.c b/src/core/wee-backtrace.c
index 7d567f452..2afc7ad4f 100644
--- a/src/core/wee-backtrace.c
+++ b/src/core/wee-backtrace.c
@@ -1,7 +1,7 @@
 /*
  * wee-backtrace.c - backtrace after a segfault
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-backtrace.h b/src/core/wee-backtrace.h
index 389e03ff1..8f0fbba4f 100644
--- a/src/core/wee-backtrace.h
+++ b/src/core/wee-backtrace.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-calc.c b/src/core/wee-calc.c
index 74431ae43..5a8c22710 100644
--- a/src/core/wee-calc.c
+++ b/src/core/wee-calc.c
@@ -1,7 +1,7 @@
 /*
  * wee-calc.c - calculate result of an expression
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-calc.h b/src/core/wee-calc.h
index 6731c269b..a3136ce49 100644
--- a/src/core/wee-calc.h
+++ b/src/core/wee-calc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-command.c b/src/core/wee-command.c
index 1cebd130b..2e5c77764 100644
--- a/src/core/wee-command.c
+++ b/src/core/wee-command.c
@@ -1,7 +1,7 @@
 /*
  * wee-command.c - WeeChat core commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-command.h b/src/core/wee-command.h
index 9c6bde91b..6d7154b18 100644
--- a/src/core/wee-command.h
+++ b/src/core/wee-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-completion.c b/src/core/wee-completion.c
index 8705b8cda..a1421a235 100644
--- a/src/core/wee-completion.c
+++ b/src/core/wee-completion.c
@@ -1,7 +1,7 @@
 /*
  * wee-completion.c - completion for WeeChat commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-completion.h b/src/core/wee-completion.h
index 153a3aab5..435cb5824 100644
--- a/src/core/wee-completion.h
+++ b/src/core/wee-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-config-file.c b/src/core/wee-config-file.c
index cb7e74721..6311f020e 100644
--- a/src/core/wee-config-file.c
+++ b/src/core/wee-config-file.c
@@ -1,7 +1,7 @@
 /*
  * wee-config-file.c - configuration files/sections/options management
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-config-file.h b/src/core/wee-config-file.h
index ce261d55d..05b074814 100644
--- a/src/core/wee-config-file.h
+++ b/src/core/wee-config-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-config.c b/src/core/wee-config.c
index f2613afad..3d9bae15c 100644
--- a/src/core/wee-config.c
+++ b/src/core/wee-config.c
@@ -1,7 +1,7 @@
 /*
  * wee-config.c - WeeChat configuration options (file weechat.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-config.h b/src/core/wee-config.h
index a2efad374..9f9f54cc8 100644
--- a/src/core/wee-config.h
+++ b/src/core/wee-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-crypto.c b/src/core/wee-crypto.c
index f99d7aac0..3b86f5def 100644
--- a/src/core/wee-crypto.c
+++ b/src/core/wee-crypto.c
@@ -1,7 +1,7 @@
 /*
  * wee-crypto.c - cryptographic functions
  *
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-crypto.h b/src/core/wee-crypto.h
index 863bccb23..c06de3d8f 100644
--- a/src/core/wee-crypto.h
+++ b/src/core/wee-crypto.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-debug.c b/src/core/wee-debug.c
index 924de8894..7672d3b45 100644
--- a/src/core/wee-debug.c
+++ b/src/core/wee-debug.c
@@ -1,7 +1,7 @@
 /*
  * wee-debug.c - debug functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-debug.h b/src/core/wee-debug.h
index ade3cac9b..a381c2942 100644
--- a/src/core/wee-debug.h
+++ b/src/core/wee-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-dir.c b/src/core/wee-dir.c
index d5267ffa3..e1bb88503 100644
--- a/src/core/wee-dir.c
+++ b/src/core/wee-dir.c
@@ -1,7 +1,7 @@
 /*
  * wee-dir.c - directory/file functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-dir.h b/src/core/wee-dir.h
index b02d31e28..dbf4ef013 100644
--- a/src/core/wee-dir.h
+++ b/src/core/wee-dir.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-eval.c b/src/core/wee-eval.c
index 98cea96be..01dce0999 100644
--- a/src/core/wee-eval.c
+++ b/src/core/wee-eval.c
@@ -1,7 +1,7 @@
 /*
  * wee-eval.c - evaluate expressions with references to internal vars
  *
- * Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-eval.h b/src/core/wee-eval.h
index 944390190..b703c03ed 100644
--- a/src/core/wee-eval.h
+++ b/src/core/wee-eval.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hashtable.c b/src/core/wee-hashtable.c
index 13afc70ad..411a6a668 100644
--- a/src/core/wee-hashtable.c
+++ b/src/core/wee-hashtable.c
@@ -1,7 +1,7 @@
 /*
  * wee-hashtable.c - implementation of hashtable
  *
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hashtable.h b/src/core/wee-hashtable.h
index 17031709d..5c28d11d9 100644
--- a/src/core/wee-hashtable.h
+++ b/src/core/wee-hashtable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hdata.c b/src/core/wee-hdata.c
index e791a3dbf..79b321ad8 100644
--- a/src/core/wee-hdata.c
+++ b/src/core/wee-hdata.c
@@ -1,7 +1,7 @@
 /*
  * wee-hdata.c - direct access to WeeChat data using hashtables
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hdata.h b/src/core/wee-hdata.h
index 0747ff694..001ad4da8 100644
--- a/src/core/wee-hdata.h
+++ b/src/core/wee-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hook.c b/src/core/wee-hook.c
index b50a664e7..ea9efa21c 100644
--- a/src/core/wee-hook.c
+++ b/src/core/wee-hook.c
@@ -1,7 +1,7 @@
 /*
  * wee-hook.c - WeeChat hooks management
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-hook.h b/src/core/wee-hook.h
index 7efbd82ac..328827451 100644
--- a/src/core/wee-hook.h
+++ b/src/core/wee-hook.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-infolist.c b/src/core/wee-infolist.c
index 306022efb..51f0a32bd 100644
--- a/src/core/wee-infolist.c
+++ b/src/core/wee-infolist.c
@@ -1,7 +1,7 @@
 /*
  * wee-infolist.c - info lists management
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-infolist.h b/src/core/wee-infolist.h
index 78da1fcb3..b4c815ee2 100644
--- a/src/core/wee-infolist.h
+++ b/src/core/wee-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-input.c b/src/core/wee-input.c
index e635e8dfc..7ad716344 100644
--- a/src/core/wee-input.c
+++ b/src/core/wee-input.c
@@ -1,7 +1,7 @@
 /*
  * wee-input.c - default input callback for buffers
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-input.h b/src/core/wee-input.h
index 3c2cf4892..24ab2de74 100644
--- a/src/core/wee-input.h
+++ b/src/core/wee-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-list.c b/src/core/wee-list.c
index 340ab92e6..df9f26794 100644
--- a/src/core/wee-list.c
+++ b/src/core/wee-list.c
@@ -1,7 +1,7 @@
 /*
  * wee-list.c - sorted lists
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-list.h b/src/core/wee-list.h
index c1ccdfa11..dddfd7a71 100644
--- a/src/core/wee-list.h
+++ b/src/core/wee-list.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-log.c b/src/core/wee-log.c
index 990348bb6..2f7377540 100644
--- a/src/core/wee-log.c
+++ b/src/core/wee-log.c
@@ -1,7 +1,7 @@
 /*
  * wee-log.c - WeeChat log file (weechat.log)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-log.h b/src/core/wee-log.h
index 95137d812..572c6e177 100644
--- a/src/core/wee-log.h
+++ b/src/core/wee-log.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-network.c b/src/core/wee-network.c
index 202f2b61b..91d007fb2 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -1,7 +1,7 @@
 /*
  * wee-network.c - network functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2010 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2010 Gu1ll4um3r0m41n <aeroxteam@gmail.com>
  * Copyright (C) 2012 Simon Arlott
diff --git a/src/core/wee-network.h b/src/core/wee-network.h
index d705a12b2..3677f5df0 100644
--- a/src/core/wee-network.h
+++ b/src/core/wee-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-proxy.c b/src/core/wee-proxy.c
index 4673907a9..f5b7f3947 100644
--- a/src/core/wee-proxy.c
+++ b/src/core/wee-proxy.c
@@ -1,7 +1,7 @@
 /*
  * wee-proxy.c - proxy functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-proxy.h b/src/core/wee-proxy.h
index ef99306a1..a6b71c80b 100644
--- a/src/core/wee-proxy.h
+++ b/src/core/wee-proxy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure-buffer.c b/src/core/wee-secure-buffer.c
index 2fea6fcc3..fac429d97 100644
--- a/src/core/wee-secure-buffer.c
+++ b/src/core/wee-secure-buffer.c
@@ -1,7 +1,7 @@
 /*
  * wee-secure-buffer.c - secured data buffer
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure-buffer.h b/src/core/wee-secure-buffer.h
index 555fab3d5..cbc047c70 100644
--- a/src/core/wee-secure-buffer.h
+++ b/src/core/wee-secure-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure-config.c b/src/core/wee-secure-config.c
index d1b9f7685..707b5d8ed 100644
--- a/src/core/wee-secure-config.c
+++ b/src/core/wee-secure-config.c
@@ -1,7 +1,7 @@
 /*
  * wee-secure-config.c - secured data configuration options (file sec.conf)
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure-config.h b/src/core/wee-secure-config.h
index d1fb02b80..d8535b268 100644
--- a/src/core/wee-secure-config.h
+++ b/src/core/wee-secure-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure.c b/src/core/wee-secure.c
index 4f8f4daf9..892dfaf57 100644
--- a/src/core/wee-secure.c
+++ b/src/core/wee-secure.c
@@ -1,7 +1,7 @@
 /*
  * wee-secure.c - secured data
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-secure.h b/src/core/wee-secure.h
index a670c556f..df7a8f7d0 100644
--- a/src/core/wee-secure.h
+++ b/src/core/wee-secure.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-signal.c b/src/core/wee-signal.c
index a9c51dcce..af88b674f 100644
--- a/src/core/wee-signal.c
+++ b/src/core/wee-signal.c
@@ -1,7 +1,7 @@
 /*
  * wee-signal.c - signal functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-signal.h b/src/core/wee-signal.h
index 634b2264c..8d8c43fb4 100644
--- a/src/core/wee-signal.h
+++ b/src/core/wee-signal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-string.c b/src/core/wee-string.c
index ed0880495..2c41fbc0d 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -1,7 +1,7 @@
 /*
  * wee-string.c - string functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-string.h b/src/core/wee-string.h
index 1b57fa41b..adeb41c6a 100644
--- a/src/core/wee-string.h
+++ b/src/core/wee-string.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-upgrade-file.c b/src/core/wee-upgrade-file.c
index 23d870d37..15cdb22a8 100644
--- a/src/core/wee-upgrade-file.c
+++ b/src/core/wee-upgrade-file.c
@@ -1,7 +1,7 @@
 /*
  * wee-upgrade-file.c - save/restore data for upgrading WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-upgrade-file.h b/src/core/wee-upgrade-file.h
index cbc48514a..e86fcef56 100644
--- a/src/core/wee-upgrade-file.h
+++ b/src/core/wee-upgrade-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-upgrade.c b/src/core/wee-upgrade.c
index 3846c9eda..dc04e33df 100644
--- a/src/core/wee-upgrade.c
+++ b/src/core/wee-upgrade.c
@@ -1,7 +1,7 @@
 /*
  * wee-upgrade.c - save/restore session data of WeeChat core
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-upgrade.h b/src/core/wee-upgrade.h
index 5e3b1b7b3..f25aeb3ea 100644
--- a/src/core/wee-upgrade.h
+++ b/src/core/wee-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-url.c b/src/core/wee-url.c
index debd8313d..5a49a9a18 100644
--- a/src/core/wee-url.c
+++ b/src/core/wee-url.c
@@ -1,7 +1,7 @@
 /*
  * wee-url.c - URL transfer
  *
- * Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-url.h b/src/core/wee-url.h
index e6f9394f7..0c62f7476 100644
--- a/src/core/wee-url.h
+++ b/src/core/wee-url.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-utf8.c b/src/core/wee-utf8.c
index 0cb78405f..fddda7c83 100644
--- a/src/core/wee-utf8.c
+++ b/src/core/wee-utf8.c
@@ -1,7 +1,7 @@
 /*
  * wee-utf8.c - UTF-8 string functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/core/wee-utf8.h b/src/core/wee-utf8.h
index 72f4afe3c..b2dab3334 100644
--- a/src/core/wee-utf8.h
+++ b/src/core/wee-utf8.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-util.c b/src/core/wee-util.c
index 09bafb859..e776246f0 100644
--- a/src/core/wee-util.c
+++ b/src/core/wee-util.c
@@ -1,7 +1,7 @@
 /*
  * wee-util.c - some useful functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-util.h b/src/core/wee-util.h
index 49a712ab5..8811047c2 100644
--- a/src/core/wee-util.h
+++ b/src/core/wee-util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-version.c b/src/core/wee-version.c
index 53cc04e35..7f5b8fea9 100644
--- a/src/core/wee-version.c
+++ b/src/core/wee-version.c
@@ -1,7 +1,7 @@
 /*
  * wee-version.c - functions for WeeChat version
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/wee-version.h b/src/core/wee-version.h
index 89bff2577..23ca7b3e7 100644
--- a/src/core/wee-version.h
+++ b/src/core/wee-version.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/weechat.c b/src/core/weechat.c
index 246c1636a..b195c57e3 100644
--- a/src/core/weechat.c
+++ b/src/core/weechat.c
@@ -17,7 +17,7 @@
  *
  * weechat.c - WeeChat main functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/core/weechat.h b/src/core/weechat.h
index 540406f86..900662499 100644
--- a/src/core/weechat.h
+++ b/src/core/weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -54,7 +54,7 @@
 #endif /* !defined(_) */
 
 
-#define WEECHAT_COPYRIGHT_DATE   "(C) 2003-2022"
+#define WEECHAT_COPYRIGHT_DATE   "(C) 2003-2023"
 #define WEECHAT_WEBSITE          "https://weechat.org/"
 #define WEECHAT_WEBSITE_DOWNLOAD "https://weechat.org/download/"
 
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index a135886c9..6b94426f4 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/Makefile.am b/src/gui/Makefile.am
index f3028d497..b1870ec0d 100644
--- a/src/gui/Makefile.am
+++ b/src/gui/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/CMakeLists.txt b/src/gui/curses/CMakeLists.txt
index 27057d53b..585c0d5a7 100644
--- a/src/gui/curses/CMakeLists.txt
+++ b/src/gui/curses/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007-2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
diff --git a/src/gui/curses/Makefile.am b/src/gui/curses/Makefile.am
index e926a405f..aaf60e3df 100644
--- a/src/gui/curses/Makefile.am
+++ b/src/gui/curses/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/gui-curses-bar-window.c b/src/gui/curses/gui-curses-bar-window.c
index 585f24eaa..0410f6ced 100644
--- a/src/gui/curses/gui-curses-bar-window.c
+++ b/src/gui/curses/gui-curses-bar-window.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-bar-window.c - bar window functions for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-chat.c b/src/gui/curses/gui-curses-chat.c
index 0e41b3ac5..e55dee23c 100644
--- a/src/gui/curses/gui-curses-chat.c
+++ b/src/gui/curses/gui-curses-chat.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-chat.c - chat display functions for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-color.c b/src/gui/curses/gui-curses-color.c
index 48e9eda4c..ebcd33f02 100644
--- a/src/gui/curses/gui-curses-color.c
+++ b/src/gui/curses/gui-curses-color.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-color.c - color functions for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-key.c b/src/gui/curses/gui-curses-key.c
index ca50bfb6c..cf2fbf4db 100644
--- a/src/gui/curses/gui-curses-key.c
+++ b/src/gui/curses/gui-curses-key.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-key.c - keyboard functions for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-main.c b/src/gui/curses/gui-curses-main.c
index bb36c64fa..2f42c7388 100644
--- a/src/gui/curses/gui-curses-main.c
+++ b/src/gui/curses/gui-curses-main.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-main.c - main loop for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-mouse.c b/src/gui/curses/gui-curses-mouse.c
index 3a6325e09..27dc5d923 100644
--- a/src/gui/curses/gui-curses-mouse.c
+++ b/src/gui/curses/gui-curses-mouse.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-mouse.c - mouse functions for Curses GUI
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-term.c b/src/gui/curses/gui-curses-term.c
index e20ab128f..eadbd4b6e 100644
--- a/src/gui/curses/gui-curses-term.c
+++ b/src/gui/curses/gui-curses-term.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-term.c - terminal functions for Curses GUI
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses-window.c b/src/gui/curses/gui-curses-window.c
index 35fa5746a..f9b822258 100644
--- a/src/gui/curses/gui-curses-window.c
+++ b/src/gui/curses/gui-curses-window.c
@@ -1,7 +1,7 @@
 /*
  * gui-curses-window.c - window display functions for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/gui-curses.h b/src/gui/curses/gui-curses.h
index ba9511b39..1e7286d05 100644
--- a/src/gui/curses/gui-curses.h
+++ b/src/gui/curses/gui-curses.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/headless/CMakeLists.txt b/src/gui/curses/headless/CMakeLists.txt
index 06facac14..ccd99fc58 100644
--- a/src/gui/curses/headless/CMakeLists.txt
+++ b/src/gui/curses/headless/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/headless/Makefile.am b/src/gui/curses/headless/Makefile.am
index 18757c94d..c114a8261 100644
--- a/src/gui/curses/headless/Makefile.am
+++ b/src/gui/curses/headless/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/headless/main.c b/src/gui/curses/headless/main.c
index 348560a39..6b001a3a1 100644
--- a/src/gui/curses/headless/main.c
+++ b/src/gui/curses/headless/main.c
@@ -1,7 +1,7 @@
 /*
  * main.c - entry point for headless mode (no GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/headless/ncurses-fake.c b/src/gui/curses/headless/ncurses-fake.c
index 7d2dc6c96..b26283f46 100644
--- a/src/gui/curses/headless/ncurses-fake.c
+++ b/src/gui/curses/headless/ncurses-fake.c
@@ -1,7 +1,7 @@
 /*
  * ncurses-fake.c - fake ncurses lib (for headless mode and tests)
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/headless/ncurses-fake.h b/src/gui/curses/headless/ncurses-fake.h
index 18e8b8080..572a9b17f 100644
--- a/src/gui/curses/headless/ncurses-fake.h
+++ b/src/gui/curses/headless/ncurses-fake.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/curses/normal/CMakeLists.txt b/src/gui/curses/normal/CMakeLists.txt
index 60f5e1081..ec408c116 100644
--- a/src/gui/curses/normal/CMakeLists.txt
+++ b/src/gui/curses/normal/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/normal/Makefile.am b/src/gui/curses/normal/Makefile.am
index df2fb2b58..1bb1c14df 100644
--- a/src/gui/curses/normal/Makefile.am
+++ b/src/gui/curses/normal/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/gui/curses/normal/main.c b/src/gui/curses/normal/main.c
index 4d619bf44..7d536099a 100644
--- a/src/gui/curses/normal/main.c
+++ b/src/gui/curses/normal/main.c
@@ -1,7 +1,7 @@
 /*
  * main.c - entry point for Curses GUI
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-item-custom.c b/src/gui/gui-bar-item-custom.c
index 599476acd..d08cbbd81 100644
--- a/src/gui/gui-bar-item-custom.c
+++ b/src/gui/gui-bar-item-custom.c
@@ -1,7 +1,7 @@
 /*
  * gui-bar-item-custom.c - custom bar item functions (used by all GUI)
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-item-custom.h b/src/gui/gui-bar-item-custom.h
index 8e0b279aa..df0109ae8 100644
--- a/src/gui/gui-bar-item-custom.h
+++ b/src/gui/gui-bar-item-custom.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-item.c b/src/gui/gui-bar-item.c
index acb0e4007..e55d8520a 100644
--- a/src/gui/gui-bar-item.c
+++ b/src/gui/gui-bar-item.c
@@ -1,7 +1,7 @@
 /*
  * gui-bar-item.c - bar item functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-item.h b/src/gui/gui-bar-item.h
index c041f4787..cdd4e109f 100644
--- a/src/gui/gui-bar-item.h
+++ b/src/gui/gui-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-window.c b/src/gui/gui-bar-window.c
index fb54f0420..230822813 100644
--- a/src/gui/gui-bar-window.c
+++ b/src/gui/gui-bar-window.c
@@ -1,7 +1,7 @@
 /*
  * gui-bar-window.c - bar window functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar-window.h b/src/gui/gui-bar-window.h
index 4813e63c1..9d7b2d76b 100644
--- a/src/gui/gui-bar-window.h
+++ b/src/gui/gui-bar-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar.c b/src/gui/gui-bar.c
index 6c421d003..4d5ef1391 100644
--- a/src/gui/gui-bar.c
+++ b/src/gui/gui-bar.c
@@ -1,7 +1,7 @@
 /*
  * gui-bar.c - bar functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-bar.h b/src/gui/gui-bar.h
index 8b18545dc..5f6c3df92 100644
--- a/src/gui/gui-bar.h
+++ b/src/gui/gui-bar.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-buffer.c b/src/gui/gui-buffer.c
index b4f0d9ce0..9130068df 100644
--- a/src/gui/gui-buffer.c
+++ b/src/gui/gui-buffer.c
@@ -1,7 +1,7 @@
 /*
  * gui-buffer.c - buffer functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-buffer.h b/src/gui/gui-buffer.h
index c37683240..924687e5b 100644
--- a/src/gui/gui-buffer.h
+++ b/src/gui/gui-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-chat.c b/src/gui/gui-chat.c
index 7f63523d9..7b89f2a0f 100644
--- a/src/gui/gui-chat.c
+++ b/src/gui/gui-chat.c
@@ -1,7 +1,7 @@
 /*
  * gui-chat.c - chat functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-chat.h b/src/gui/gui-chat.h
index c51b23048..0971b93f9 100644
--- a/src/gui/gui-chat.h
+++ b/src/gui/gui-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-color.c b/src/gui/gui-color.c
index e425d108e..9f90f7734 100644
--- a/src/gui/gui-color.c
+++ b/src/gui/gui-color.c
@@ -1,7 +1,7 @@
 /*
  * gui-color.c - color functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-color.h b/src/gui/gui-color.h
index a5a413e57..50bab4a95 100644
--- a/src/gui/gui-color.h
+++ b/src/gui/gui-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-completion.c b/src/gui/gui-completion.c
index 2348fdbee..0e285e8d0 100644
--- a/src/gui/gui-completion.c
+++ b/src/gui/gui-completion.c
@@ -1,7 +1,7 @@
 /*
  * gui-completion.c - word completion according to context (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-completion.h b/src/gui/gui-completion.h
index a4dad169c..c41d642f7 100644
--- a/src/gui/gui-completion.h
+++ b/src/gui/gui-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-cursor.c b/src/gui/gui-cursor.c
index 29452db44..aa369ea13 100644
--- a/src/gui/gui-cursor.c
+++ b/src/gui/gui-cursor.c
@@ -1,7 +1,7 @@
 /*
  * gui-cursor.c - functions for free movement of cursor (used by all GUI)
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-cursor.h b/src/gui/gui-cursor.h
index cd217b6a9..5c5753293 100644
--- a/src/gui/gui-cursor.h
+++ b/src/gui/gui-cursor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-filter.c b/src/gui/gui-filter.c
index 242ea58da..e2642713e 100644
--- a/src/gui/gui-filter.c
+++ b/src/gui/gui-filter.c
@@ -1,7 +1,7 @@
 /*
  * gui-filter.c - filter functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-filter.h b/src/gui/gui-filter.h
index 1e1903a50..c4348d930 100644
--- a/src/gui/gui-filter.h
+++ b/src/gui/gui-filter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-focus.c b/src/gui/gui-focus.c
index 3e57a0408..b3b8f96ea 100644
--- a/src/gui/gui-focus.c
+++ b/src/gui/gui-focus.c
@@ -1,7 +1,7 @@
 /*
  * gui-focus.c - functions about focus (cursor mode and mouse) (used by all GUI)
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-focus.h b/src/gui/gui-focus.h
index 6b410fdf7..3f7fd76d2 100644
--- a/src/gui/gui-focus.h
+++ b/src/gui/gui-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-history.c b/src/gui/gui-history.c
index c6e714836..aa0117bd5 100644
--- a/src/gui/gui-history.c
+++ b/src/gui/gui-history.c
@@ -1,7 +1,7 @@
 /*
  * gui-history.c - memorize commands or text for buffers (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/gui/gui-history.h b/src/gui/gui-history.h
index 756febe1d..edbb1acd8 100644
--- a/src/gui/gui-history.h
+++ b/src/gui/gui-history.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-hotlist.c b/src/gui/gui-hotlist.c
index 409fc93d9..34dfc1700 100644
--- a/src/gui/gui-hotlist.c
+++ b/src/gui/gui-hotlist.c
@@ -1,7 +1,7 @@
 /*
  * gui-hotlist.c - hotlist management (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-hotlist.h b/src/gui/gui-hotlist.h
index d0054d4bd..faad5fbbd 100644
--- a/src/gui/gui-hotlist.h
+++ b/src/gui/gui-hotlist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-input.c b/src/gui/gui-input.c
index 1b54dbb6a..c40fa95d1 100644
--- a/src/gui/gui-input.c
+++ b/src/gui/gui-input.c
@@ -1,7 +1,7 @@
 /*
  * gui-input.c - input functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-input.h b/src/gui/gui-input.h
index 400d97e56..6c867dad0 100644
--- a/src/gui/gui-input.h
+++ b/src/gui/gui-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-key.c b/src/gui/gui-key.c
index 232841083..e9bbd588d 100644
--- a/src/gui/gui-key.c
+++ b/src/gui/gui-key.c
@@ -1,7 +1,7 @@
 /*
  * gui-key.c - keyboard functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-key.h b/src/gui/gui-key.h
index ff1b4aaf6..c825eb5df 100644
--- a/src/gui/gui-key.h
+++ b/src/gui/gui-key.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-layout.c b/src/gui/gui-layout.c
index 983423c4f..6ad859cf8 100644
--- a/src/gui/gui-layout.c
+++ b/src/gui/gui-layout.c
@@ -1,7 +1,7 @@
 /*
  * gui-layout.c - layout functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-layout.h b/src/gui/gui-layout.h
index bfdd507e1..0dbb62824 100644
--- a/src/gui/gui-layout.h
+++ b/src/gui/gui-layout.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-line.c b/src/gui/gui-line.c
index 4e29d5685..e2cfbd5fb 100644
--- a/src/gui/gui-line.c
+++ b/src/gui/gui-line.c
@@ -1,7 +1,7 @@
 /*
  * gui-line.c - line functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-line.h b/src/gui/gui-line.h
index 9941ab7d4..ba4d7fdee 100644
--- a/src/gui/gui-line.h
+++ b/src/gui/gui-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-main.h b/src/gui/gui-main.h
index bc340fbba..509f9fea0 100644
--- a/src/gui/gui-main.h
+++ b/src/gui/gui-main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-mouse.c b/src/gui/gui-mouse.c
index e0251f927..a016cdca9 100644
--- a/src/gui/gui-mouse.c
+++ b/src/gui/gui-mouse.c
@@ -1,7 +1,7 @@
 /*
  * gui-mouse.c - functions for mouse (used by all GUI)
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-mouse.h b/src/gui/gui-mouse.h
index 997491888..723ec29d4 100644
--- a/src/gui/gui-mouse.h
+++ b/src/gui/gui-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-nick.c b/src/gui/gui-nick.c
index 9953194bc..04f7213c9 100644
--- a/src/gui/gui-nick.c
+++ b/src/gui/gui-nick.c
@@ -1,7 +1,7 @@
 /*
  * gui-nick.c - nick functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-nick.h b/src/gui/gui-nick.h
index d38534bc0..45d88afa5 100644
--- a/src/gui/gui-nick.h
+++ b/src/gui/gui-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-nicklist.c b/src/gui/gui-nicklist.c
index 93af9ece6..0c6946778 100644
--- a/src/gui/gui-nicklist.c
+++ b/src/gui/gui-nicklist.c
@@ -1,7 +1,7 @@
 /*
  * gui-nicklist.c - nicklist functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-nicklist.h b/src/gui/gui-nicklist.h
index 3326d3655..721df6855 100644
--- a/src/gui/gui-nicklist.h
+++ b/src/gui/gui-nicklist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-window.c b/src/gui/gui-window.c
index 34fe35871..0f2009eaf 100644
--- a/src/gui/gui-window.c
+++ b/src/gui/gui-window.c
@@ -1,7 +1,7 @@
 /*
  * gui-window.c - window functions (used by all GUI)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/gui/gui-window.h b/src/gui/gui-window.h
index 91cf8d734..10e589c0d 100644
--- a/src/gui/gui-window.h
+++ b/src/gui/gui-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/CMakeLists.txt b/src/plugins/CMakeLists.txt
index 0051b3972..1de134819 100644
--- a/src/plugins/CMakeLists.txt
+++ b/src/plugins/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am
index 09f74a0e7..e9647ed8d 100644
--- a/src/plugins/Makefile.am
+++ b/src/plugins/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2006-2009 Emmanuel Bouthenot <kolter@openics.org>
 #
 # This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/alias/CMakeLists.txt b/src/plugins/alias/CMakeLists.txt
index 2dfc5be4a..ce6e54caf 100644
--- a/src/plugins/alias/CMakeLists.txt
+++ b/src/plugins/alias/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/alias/Makefile.am b/src/plugins/alias/Makefile.am
index fdf31fe72..eb02f2053 100644
--- a/src/plugins/alias/Makefile.am
+++ b/src/plugins/alias/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/alias/alias-command.c b/src/plugins/alias/alias-command.c
index f676fd690..7a539c7ae 100644
--- a/src/plugins/alias/alias-command.c
+++ b/src/plugins/alias/alias-command.c
@@ -1,7 +1,7 @@
 /*
  * alias-command.c - alias commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-command.h b/src/plugins/alias/alias-command.h
index b433aa011..c3dd4a47a 100644
--- a/src/plugins/alias/alias-command.h
+++ b/src/plugins/alias/alias-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-completion.c b/src/plugins/alias/alias-completion.c
index 51b0368e5..583c4692f 100644
--- a/src/plugins/alias/alias-completion.c
+++ b/src/plugins/alias/alias-completion.c
@@ -1,7 +1,7 @@
 /*
  * alias-completion.c - completion for alias commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-completion.h b/src/plugins/alias/alias-completion.h
index fbd73566a..1e22cb5d7 100644
--- a/src/plugins/alias/alias-completion.h
+++ b/src/plugins/alias/alias-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-config.c b/src/plugins/alias/alias-config.c
index bb5f4924e..a85e53f83 100644
--- a/src/plugins/alias/alias-config.c
+++ b/src/plugins/alias/alias-config.c
@@ -1,7 +1,7 @@
 /*
  * alias-config.c - alias configuration options (file alias.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-config.h b/src/plugins/alias/alias-config.h
index c7882a9c6..fb55cd6cb 100644
--- a/src/plugins/alias/alias-config.h
+++ b/src/plugins/alias/alias-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-info.c b/src/plugins/alias/alias-info.c
index b12d73058..b64449ac7 100644
--- a/src/plugins/alias/alias-info.c
+++ b/src/plugins/alias/alias-info.c
@@ -1,7 +1,7 @@
 /*
  * alias-info.c - info and infolist hooks for alias plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias-info.h b/src/plugins/alias/alias-info.h
index 75ac3c404..3feb11e95 100644
--- a/src/plugins/alias/alias-info.h
+++ b/src/plugins/alias/alias-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias.c b/src/plugins/alias/alias.c
index 7cedd3dfe..77caa1dce 100644
--- a/src/plugins/alias/alias.c
+++ b/src/plugins/alias/alias.c
@@ -1,7 +1,7 @@
 /*
  * alias.c - alias plugin for WeeChat: command aliases
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/alias/alias.h b/src/plugins/alias/alias.h
index a437d848c..35205e4a9 100644
--- a/src/plugins/alias/alias.h
+++ b/src/plugins/alias/alias.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/CMakeLists.txt b/src/plugins/buflist/CMakeLists.txt
index 1569197c4..2206c4baa 100644
--- a/src/plugins/buflist/CMakeLists.txt
+++ b/src/plugins/buflist/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/buflist/Makefile.am b/src/plugins/buflist/Makefile.am
index 1a01a01b8..d9a91c22f 100644
--- a/src/plugins/buflist/Makefile.am
+++ b/src/plugins/buflist/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/buflist/buflist-bar-item.c b/src/plugins/buflist/buflist-bar-item.c
index 82be155aa..1c7abf3c9 100644
--- a/src/plugins/buflist/buflist-bar-item.c
+++ b/src/plugins/buflist/buflist-bar-item.c
@@ -1,7 +1,7 @@
 /*
  * buflist-bar-item.c - bar item for buflist plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-bar-item.h b/src/plugins/buflist/buflist-bar-item.h
index 2fd9ce53c..043e6393c 100644
--- a/src/plugins/buflist/buflist-bar-item.h
+++ b/src/plugins/buflist/buflist-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-command.c b/src/plugins/buflist/buflist-command.c
index 11bb74acb..9c6bf7470 100644
--- a/src/plugins/buflist/buflist-command.c
+++ b/src/plugins/buflist/buflist-command.c
@@ -1,7 +1,7 @@
 /*
  * buflist-command.c - buflist command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-command.h b/src/plugins/buflist/buflist-command.h
index e1575308e..e3263f820 100644
--- a/src/plugins/buflist/buflist-command.h
+++ b/src/plugins/buflist/buflist-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-config.c b/src/plugins/buflist/buflist-config.c
index 934bd67b5..33ea7f0b0 100644
--- a/src/plugins/buflist/buflist-config.c
+++ b/src/plugins/buflist/buflist-config.c
@@ -1,7 +1,7 @@
 /*
  * buflist-config.c - buflist configuration options (file buflist.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-config.h b/src/plugins/buflist/buflist-config.h
index d7ba543c0..2f3f696fe 100644
--- a/src/plugins/buflist/buflist-config.h
+++ b/src/plugins/buflist/buflist-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-info.c b/src/plugins/buflist/buflist-info.c
index 400de8ed4..ec14357af 100644
--- a/src/plugins/buflist/buflist-info.c
+++ b/src/plugins/buflist/buflist-info.c
@@ -2,7 +2,7 @@
  * buflist-info.c - infolist hook for buflist plugin
  *
  * Copyright (C) 2019 Simmo Saan <simmo.saan@gmail.com>
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-mouse.c b/src/plugins/buflist/buflist-mouse.c
index ad72937b8..d8ade4e80 100644
--- a/src/plugins/buflist/buflist-mouse.c
+++ b/src/plugins/buflist/buflist-mouse.c
@@ -1,7 +1,7 @@
 /*
  * buflist-mouse.c - mouse actions for buflist
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist-mouse.h b/src/plugins/buflist/buflist-mouse.h
index 40abd988a..701c6526c 100644
--- a/src/plugins/buflist/buflist-mouse.h
+++ b/src/plugins/buflist/buflist-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist.c b/src/plugins/buflist/buflist.c
index 00da7a83f..1de63b66b 100644
--- a/src/plugins/buflist/buflist.c
+++ b/src/plugins/buflist/buflist.c
@@ -1,7 +1,7 @@
 /*
  * buflist.c - Bar with list of buffers
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/buflist/buflist.h b/src/plugins/buflist/buflist.h
index 173b7c473..cb2938dbb 100644
--- a/src/plugins/buflist/buflist.h
+++ b/src/plugins/buflist/buflist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/charset/CMakeLists.txt b/src/plugins/charset/CMakeLists.txt
index 28136faac..d3b828a8b 100644
--- a/src/plugins/charset/CMakeLists.txt
+++ b/src/plugins/charset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/charset/Makefile.am b/src/plugins/charset/Makefile.am
index db428e743..2369d1a13 100644
--- a/src/plugins/charset/Makefile.am
+++ b/src/plugins/charset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/charset/charset.c b/src/plugins/charset/charset.c
index 0ca109da2..15b035bee 100644
--- a/src/plugins/charset/charset.c
+++ b/src/plugins/charset/charset.c
@@ -1,7 +1,7 @@
 /*
  * charset.c - charset plugin for WeeChat: encode/decode strings
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/CMakeLists.txt b/src/plugins/exec/CMakeLists.txt
index 7518b3549..b613aa810 100644
--- a/src/plugins/exec/CMakeLists.txt
+++ b/src/plugins/exec/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/exec/Makefile.am b/src/plugins/exec/Makefile.am
index 49daa6ced..4ab357895 100644
--- a/src/plugins/exec/Makefile.am
+++ b/src/plugins/exec/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/exec/exec-buffer.c b/src/plugins/exec/exec-buffer.c
index e1fe3ba1d..fd69fe967 100644
--- a/src/plugins/exec/exec-buffer.c
+++ b/src/plugins/exec/exec-buffer.c
@@ -1,7 +1,7 @@
 /*
  * exec-buffer.c - buffers with output of commands
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-buffer.h b/src/plugins/exec/exec-buffer.h
index 415d9d786..b24979a0e 100644
--- a/src/plugins/exec/exec-buffer.h
+++ b/src/plugins/exec/exec-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-command.c b/src/plugins/exec/exec-command.c
index 6112ff6af..2e6289cb8 100644
--- a/src/plugins/exec/exec-command.c
+++ b/src/plugins/exec/exec-command.c
@@ -1,7 +1,7 @@
 /*
  * exec-command.c - exec command
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-command.h b/src/plugins/exec/exec-command.h
index ba23e010a..e1d046a58 100644
--- a/src/plugins/exec/exec-command.h
+++ b/src/plugins/exec/exec-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-completion.c b/src/plugins/exec/exec-completion.c
index abec5e3b6..bcf321eee 100644
--- a/src/plugins/exec/exec-completion.c
+++ b/src/plugins/exec/exec-completion.c
@@ -1,7 +1,7 @@
 /*
  * exec-completion.c - completion for exec commands
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-completion.h b/src/plugins/exec/exec-completion.h
index 57efd5669..f712a4f04 100644
--- a/src/plugins/exec/exec-completion.h
+++ b/src/plugins/exec/exec-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-config.c b/src/plugins/exec/exec-config.c
index 7c2ba641f..f7eeccdf2 100644
--- a/src/plugins/exec/exec-config.c
+++ b/src/plugins/exec/exec-config.c
@@ -1,7 +1,7 @@
 /*
  * exec-config.c - exec configuration options (file exec.conf)
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec-config.h b/src/plugins/exec/exec-config.h
index cfe062e39..baaa29868 100644
--- a/src/plugins/exec/exec-config.h
+++ b/src/plugins/exec/exec-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec.c b/src/plugins/exec/exec.c
index 166c6f1d9..f5344a421 100644
--- a/src/plugins/exec/exec.c
+++ b/src/plugins/exec/exec.c
@@ -1,7 +1,7 @@
 /*
  * exec.c - execution of external commands in WeeChat
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/exec/exec.h b/src/plugins/exec/exec.h
index d71fcaf05..962189812 100644
--- a/src/plugins/exec/exec.h
+++ b/src/plugins/exec/exec.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/CMakeLists.txt b/src/plugins/fifo/CMakeLists.txt
index 87a99fa37..465dafba2 100644
--- a/src/plugins/fifo/CMakeLists.txt
+++ b/src/plugins/fifo/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/fifo/Makefile.am b/src/plugins/fifo/Makefile.am
index 5ee2a0981..e3bb70f49 100644
--- a/src/plugins/fifo/Makefile.am
+++ b/src/plugins/fifo/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/fifo/fifo-command.c b/src/plugins/fifo/fifo-command.c
index 942eaec50..f07cbf29b 100644
--- a/src/plugins/fifo/fifo-command.c
+++ b/src/plugins/fifo/fifo-command.c
@@ -1,7 +1,7 @@
 /*
  * fifo-command.c - fifo command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo-command.h b/src/plugins/fifo/fifo-command.h
index 19cd6fcad..9392fa698 100644
--- a/src/plugins/fifo/fifo-command.h
+++ b/src/plugins/fifo/fifo-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo-config.c b/src/plugins/fifo/fifo-config.c
index 4a0b659bb..746867a16 100644
--- a/src/plugins/fifo/fifo-config.c
+++ b/src/plugins/fifo/fifo-config.c
@@ -1,7 +1,7 @@
 /*
  * fifo-config.c - fifo configuration options (file fifo.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo-config.h b/src/plugins/fifo/fifo-config.h
index 4f9e6554e..2b3fe475c 100644
--- a/src/plugins/fifo/fifo-config.h
+++ b/src/plugins/fifo/fifo-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo-info.c b/src/plugins/fifo/fifo-info.c
index ef837a223..5cf5b7057 100644
--- a/src/plugins/fifo/fifo-info.c
+++ b/src/plugins/fifo/fifo-info.c
@@ -1,7 +1,7 @@
 /*
  * fifo-info.c - info and infolist hooks for fifo plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo-info.h b/src/plugins/fifo/fifo-info.h
index 856710389..8a40e0cb0 100644
--- a/src/plugins/fifo/fifo-info.h
+++ b/src/plugins/fifo/fifo-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo.c b/src/plugins/fifo/fifo.c
index 46dc20aa4..bb6976c64 100644
--- a/src/plugins/fifo/fifo.c
+++ b/src/plugins/fifo/fifo.c
@@ -1,7 +1,7 @@
 /*
  * fifo.c - fifo plugin for WeeChat: remote control with FIFO pipe
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fifo/fifo.h b/src/plugins/fifo/fifo.h
index adf6e5bb5..ea5485f5b 100644
--- a/src/plugins/fifo/fifo.h
+++ b/src/plugins/fifo/fifo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/CMakeLists.txt b/src/plugins/fset/CMakeLists.txt
index 5b4eaa72a..0d70b68a5 100644
--- a/src/plugins/fset/CMakeLists.txt
+++ b/src/plugins/fset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/fset/Makefile.am b/src/plugins/fset/Makefile.am
index 4ef6479de..4986a3aeb 100644
--- a/src/plugins/fset/Makefile.am
+++ b/src/plugins/fset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/fset/fset-bar-item.c b/src/plugins/fset/fset-bar-item.c
index 66defaaf2..430ada4e1 100644
--- a/src/plugins/fset/fset-bar-item.c
+++ b/src/plugins/fset/fset-bar-item.c
@@ -1,7 +1,7 @@
 /*
  * fset-bar-item.c - bar item for Fast Set plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-bar-item.h b/src/plugins/fset/fset-bar-item.h
index b1fd5001a..6d52ccfe1 100644
--- a/src/plugins/fset/fset-bar-item.h
+++ b/src/plugins/fset/fset-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-buffer.c b/src/plugins/fset/fset-buffer.c
index 0637c7910..794d8be5a 100644
--- a/src/plugins/fset/fset-buffer.c
+++ b/src/plugins/fset/fset-buffer.c
@@ -1,7 +1,7 @@
 /*
  * fset-buffer.c - buffer for Fast Set plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-buffer.h b/src/plugins/fset/fset-buffer.h
index 19bbcd644..013dab9eb 100644
--- a/src/plugins/fset/fset-buffer.h
+++ b/src/plugins/fset/fset-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-command.c b/src/plugins/fset/fset-command.c
index 3e79e7dff..2ca4ab89d 100644
--- a/src/plugins/fset/fset-command.c
+++ b/src/plugins/fset/fset-command.c
@@ -1,7 +1,7 @@
 /*
  * fset-command.c - Fast Set command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-command.h b/src/plugins/fset/fset-command.h
index f65d03956..431785e31 100644
--- a/src/plugins/fset/fset-command.h
+++ b/src/plugins/fset/fset-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-completion.c b/src/plugins/fset/fset-completion.c
index 4779bf7d4..0899d7c4c 100644
--- a/src/plugins/fset/fset-completion.c
+++ b/src/plugins/fset/fset-completion.c
@@ -1,7 +1,7 @@
 /*
  * fset-completion.c - completion for Fast Set commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-completion.h b/src/plugins/fset/fset-completion.h
index e499a87b1..fe780c30c 100644
--- a/src/plugins/fset/fset-completion.h
+++ b/src/plugins/fset/fset-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-config.c b/src/plugins/fset/fset-config.c
index 3d3c9d56b..13de7038e 100644
--- a/src/plugins/fset/fset-config.c
+++ b/src/plugins/fset/fset-config.c
@@ -1,7 +1,7 @@
 /*
  * fset-config.c - Fast Set configuration options (file fset.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-config.h b/src/plugins/fset/fset-config.h
index 4d06d44dd..960962a1e 100644
--- a/src/plugins/fset/fset-config.h
+++ b/src/plugins/fset/fset-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-info.c b/src/plugins/fset/fset-info.c
index 51a7f6076..22cb239cc 100644
--- a/src/plugins/fset/fset-info.c
+++ b/src/plugins/fset/fset-info.c
@@ -1,7 +1,7 @@
 /*
  * fset-info.c - info, infolist and hdata hooks for Fast Set plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-info.h b/src/plugins/fset/fset-info.h
index 5497f4121..2add3dacf 100644
--- a/src/plugins/fset/fset-info.h
+++ b/src/plugins/fset/fset-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-mouse.c b/src/plugins/fset/fset-mouse.c
index b9655dc9c..642d33d44 100644
--- a/src/plugins/fset/fset-mouse.c
+++ b/src/plugins/fset/fset-mouse.c
@@ -1,7 +1,7 @@
 /*
  * fset-mouse.c - mouse actions for Fast Set plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-mouse.h b/src/plugins/fset/fset-mouse.h
index eeba33da2..ed65dfbb1 100644
--- a/src/plugins/fset/fset-mouse.h
+++ b/src/plugins/fset/fset-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-option.c b/src/plugins/fset/fset-option.c
index 2ee03a7b9..748bce747 100644
--- a/src/plugins/fset/fset-option.c
+++ b/src/plugins/fset/fset-option.c
@@ -1,7 +1,7 @@
 /*
  * fset-option.c - manage options displayed by Fast Set buffer
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset-option.h b/src/plugins/fset/fset-option.h
index 1e64a4e4f..508db23f1 100644
--- a/src/plugins/fset/fset-option.h
+++ b/src/plugins/fset/fset-option.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset.c b/src/plugins/fset/fset.c
index 51ba2bf5b..6b9a15918 100644
--- a/src/plugins/fset/fset.c
+++ b/src/plugins/fset/fset.c
@@ -1,7 +1,7 @@
 /*
  * fset.c - Fast set of WeeChat and plugins options
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/fset/fset.h b/src/plugins/fset/fset.h
index ef3192498..6462aa88c 100644
--- a/src/plugins/fset/fset.h
+++ b/src/plugins/fset/fset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/guile/CMakeLists.txt b/src/plugins/guile/CMakeLists.txt
index 673afc4b4..c953343fa 100644
--- a/src/plugins/guile/CMakeLists.txt
+++ b/src/plugins/guile/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/guile/Makefile.am b/src/plugins/guile/Makefile.am
index d67f6d789..d91956a3d 100644
--- a/src/plugins/guile/Makefile.am
+++ b/src/plugins/guile/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/guile/weechat-guile-api.c b/src/plugins/guile/weechat-guile-api.c
index 5efc6b3c8..c90f6377f 100644
--- a/src/plugins/guile/weechat-guile-api.c
+++ b/src/plugins/guile/weechat-guile-api.c
@@ -1,7 +1,7 @@
 /*
  * weechat-guile-api.c - guile API functions
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/guile/weechat-guile-api.h b/src/plugins/guile/weechat-guile-api.h
index 27cc5f97b..e75ae37fd 100644
--- a/src/plugins/guile/weechat-guile-api.h
+++ b/src/plugins/guile/weechat-guile-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/guile/weechat-guile.c b/src/plugins/guile/weechat-guile.c
index a0f584a9a..29fd03c53 100644
--- a/src/plugins/guile/weechat-guile.c
+++ b/src/plugins/guile/weechat-guile.c
@@ -1,7 +1,7 @@
 /*
  * weechat-guile.c - guile (scheme) plugin for WeeChat
  *
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/guile/weechat-guile.h b/src/plugins/guile/weechat-guile.h
index 68aa18ab9..2fc6cd668 100644
--- a/src/plugins/guile/weechat-guile.h
+++ b/src/plugins/guile/weechat-guile.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/CMakeLists.txt b/src/plugins/irc/CMakeLists.txt
index 4745df994..a0a853e9c 100644
--- a/src/plugins/irc/CMakeLists.txt
+++ b/src/plugins/irc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/irc/Makefile.am b/src/plugins/irc/Makefile.am
index aeac8566d..51ca369d7 100644
--- a/src/plugins/irc/Makefile.am
+++ b/src/plugins/irc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/irc/irc-bar-item.c b/src/plugins/irc/irc-bar-item.c
index ea87fee76..30f6d408d 100644
--- a/src/plugins/irc/irc-bar-item.c
+++ b/src/plugins/irc/irc-bar-item.c
@@ -1,7 +1,7 @@
 /*
  * irc-bar-item.c - bar items for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-bar-item.h b/src/plugins/irc/irc-bar-item.h
index 25832d384..40f9bcba0 100644
--- a/src/plugins/irc/irc-bar-item.h
+++ b/src/plugins/irc/irc-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-buffer.c b/src/plugins/irc/irc-buffer.c
index f29b5ffe2..791c40ee3 100644
--- a/src/plugins/irc/irc-buffer.c
+++ b/src/plugins/irc/irc-buffer.c
@@ -1,7 +1,7 @@
 /*
  * irc-buffer.c - buffer functions for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-buffer.h b/src/plugins/irc/irc-buffer.h
index c8eed02da..4282709c2 100644
--- a/src/plugins/irc/irc-buffer.h
+++ b/src/plugins/irc/irc-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-channel.c b/src/plugins/irc/irc-channel.c
index 455c025bf..77457a51e 100644
--- a/src/plugins/irc/irc-channel.c
+++ b/src/plugins/irc/irc-channel.c
@@ -1,7 +1,7 @@
 /*
  * irc-channel.c - channel and private chat management for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-channel.h b/src/plugins/irc/irc-channel.h
index ac39d498b..91ac4b528 100644
--- a/src/plugins/irc/irc-channel.h
+++ b/src/plugins/irc/irc-channel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-color.c b/src/plugins/irc/irc-color.c
index 35c078dd4..012cfa5cd 100644
--- a/src/plugins/irc/irc-color.c
+++ b/src/plugins/irc/irc-color.c
@@ -1,7 +1,7 @@
 /*
  * irc-color.c - IRC color decoding/encoding in messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-color.h b/src/plugins/irc/irc-color.h
index bfa09b84a..3d966754b 100644
--- a/src/plugins/irc/irc-color.h
+++ b/src/plugins/irc/irc-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-command.c b/src/plugins/irc/irc-command.c
index a0072f535..473a636c0 100644
--- a/src/plugins/irc/irc-command.c
+++ b/src/plugins/irc/irc-command.c
@@ -1,7 +1,7 @@
 /*
  * irc-command.c - IRC commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/irc/irc-command.h b/src/plugins/irc/irc-command.h
index 721d143fb..1afc3ed42 100644
--- a/src/plugins/irc/irc-command.h
+++ b/src/plugins/irc/irc-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-completion.c b/src/plugins/irc/irc-completion.c
index 8a485dc55..3805643b0 100644
--- a/src/plugins/irc/irc-completion.c
+++ b/src/plugins/irc/irc-completion.c
@@ -1,7 +1,7 @@
 /*
  * irc-completion.c - completion for IRC commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-completion.h b/src/plugins/irc/irc-completion.h
index e6be250a5..59676ff4d 100644
--- a/src/plugins/irc/irc-completion.h
+++ b/src/plugins/irc/irc-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-config.c b/src/plugins/irc/irc-config.c
index a3df1a726..6e476f648 100644
--- a/src/plugins/irc/irc-config.c
+++ b/src/plugins/irc/irc-config.c
@@ -1,7 +1,7 @@
 /*
  * irc-config.c - IRC configuration options (file irc.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-config.h b/src/plugins/irc/irc-config.h
index 8f8c616f0..2bfcb9fc1 100644
--- a/src/plugins/irc/irc-config.h
+++ b/src/plugins/irc/irc-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-ctcp.c b/src/plugins/irc/irc-ctcp.c
index dffbea5e0..050b27fc8 100644
--- a/src/plugins/irc/irc-ctcp.c
+++ b/src/plugins/irc/irc-ctcp.c
@@ -1,7 +1,7 @@
 /*
  * irc-ctcp.c - IRC CTCP protocol
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-ctcp.h b/src/plugins/irc/irc-ctcp.h
index 8e5c9634b..27ed38500 100644
--- a/src/plugins/irc/irc-ctcp.h
+++ b/src/plugins/irc/irc-ctcp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-debug.c b/src/plugins/irc/irc-debug.c
index bc55e9796..d5bbe0be9 100644
--- a/src/plugins/irc/irc-debug.c
+++ b/src/plugins/irc/irc-debug.c
@@ -1,7 +1,7 @@
 /*
  * irc-debug.c - debug functions for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-debug.h b/src/plugins/irc/irc-debug.h
index e7e180531..e145ee4bf 100644
--- a/src/plugins/irc/irc-debug.h
+++ b/src/plugins/irc/irc-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-ignore.c b/src/plugins/irc/irc-ignore.c
index c8d0b0e94..4aafa9b19 100644
--- a/src/plugins/irc/irc-ignore.c
+++ b/src/plugins/irc/irc-ignore.c
@@ -1,7 +1,7 @@
 /*
  * irc-ignore.c - ignore (nicks/hosts) management for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-ignore.h b/src/plugins/irc/irc-ignore.h
index 33bcbef43..0b7938579 100644
--- a/src/plugins/irc/irc-ignore.h
+++ b/src/plugins/irc/irc-ignore.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-info.c b/src/plugins/irc/irc-info.c
index 11dcf255f..e14803f7c 100644
--- a/src/plugins/irc/irc-info.c
+++ b/src/plugins/irc/irc-info.c
@@ -1,7 +1,7 @@
 /*
  * irc-info.c - info, infolist and hdata hooks for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-info.h b/src/plugins/irc/irc-info.h
index da80a1cd2..c47c1d7fc 100644
--- a/src/plugins/irc/irc-info.h
+++ b/src/plugins/irc/irc-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-input.c b/src/plugins/irc/irc-input.c
index a8c5b4b56..d2fd9e241 100644
--- a/src/plugins/irc/irc-input.c
+++ b/src/plugins/irc/irc-input.c
@@ -1,7 +1,7 @@
 /*
  * irc-input.c - input data management for IRC buffers
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-input.h b/src/plugins/irc/irc-input.h
index d0c1f997f..8e8330737 100644
--- a/src/plugins/irc/irc-input.h
+++ b/src/plugins/irc/irc-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-join.c b/src/plugins/irc/irc-join.c
index af388d03c..82f8566b2 100644
--- a/src/plugins/irc/irc-join.c
+++ b/src/plugins/irc/irc-join.c
@@ -1,7 +1,7 @@
 /*
  * irc-join.c - functions for list of channels to join
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-join.h b/src/plugins/irc/irc-join.h
index bec30ee60..16795b18b 100644
--- a/src/plugins/irc/irc-join.h
+++ b/src/plugins/irc/irc-join.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-message.c b/src/plugins/irc/irc-message.c
index 64a37a3e7..e5b2360c1 100644
--- a/src/plugins/irc/irc-message.c
+++ b/src/plugins/irc/irc-message.c
@@ -1,7 +1,7 @@
 /*
  * irc-message.c - functions for IRC messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-message.h b/src/plugins/irc/irc-message.h
index 59512d1d5..496c7c1f9 100644
--- a/src/plugins/irc/irc-message.h
+++ b/src/plugins/irc/irc-message.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-mode.c b/src/plugins/irc/irc-mode.c
index 4fe3f7187..de85dfe55 100644
--- a/src/plugins/irc/irc-mode.c
+++ b/src/plugins/irc/irc-mode.c
@@ -1,7 +1,7 @@
 /*
  * irc-mode.c - IRC channel/user modes management
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-mode.h b/src/plugins/irc/irc-mode.h
index ff5c3348a..76b21cee4 100644
--- a/src/plugins/irc/irc-mode.h
+++ b/src/plugins/irc/irc-mode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-modelist.c b/src/plugins/irc/irc-modelist.c
index e6f908aad..581f26b54 100644
--- a/src/plugins/irc/irc-modelist.c
+++ b/src/plugins/irc/irc-modelist.c
@@ -2,7 +2,7 @@
  * irc-modelist.c - channel mode list management for IRC plugin
  *
  * Copyright (C) 2015 Simmo Saan <simmo.saan@gmail.com>
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-modelist.h b/src/plugins/irc/irc-modelist.h
index 63e5db5a6..0dcb0d6b4 100644
--- a/src/plugins/irc/irc-modelist.h
+++ b/src/plugins/irc/irc-modelist.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2015 Simmo Saan <simmo.saan@gmail.com>
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-msgbuffer.c b/src/plugins/irc/irc-msgbuffer.c
index 45aaa30f5..02c5f3c4d 100644
--- a/src/plugins/irc/irc-msgbuffer.c
+++ b/src/plugins/irc/irc-msgbuffer.c
@@ -1,7 +1,7 @@
 /*
  * irc-msgbuffer.c - target buffer for IRC messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-msgbuffer.h b/src/plugins/irc/irc-msgbuffer.h
index 918ef776b..60f685562 100644
--- a/src/plugins/irc/irc-msgbuffer.h
+++ b/src/plugins/irc/irc-msgbuffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-nick.c b/src/plugins/irc/irc-nick.c
index 8bc31fbe2..4c15f03a3 100644
--- a/src/plugins/irc/irc-nick.c
+++ b/src/plugins/irc/irc-nick.c
@@ -1,7 +1,7 @@
 /*
  * irc-nick.c - nick management for IRC plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-nick.h b/src/plugins/irc/irc-nick.h
index 55344f93e..d296c1fed 100644
--- a/src/plugins/irc/irc-nick.h
+++ b/src/plugins/irc/irc-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-notify.c b/src/plugins/irc/irc-notify.c
index 9f6d5b609..6659a0b1b 100644
--- a/src/plugins/irc/irc-notify.c
+++ b/src/plugins/irc/irc-notify.c
@@ -1,7 +1,7 @@
 /*
  * irc-notify.c - notify lists for IRC plugin
  *
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-notify.h b/src/plugins/irc/irc-notify.h
index 71caf5d23..b12a56bf9 100644
--- a/src/plugins/irc/irc-notify.h
+++ b/src/plugins/irc/irc-notify.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-protocol.c b/src/plugins/irc/irc-protocol.c
index 8bdea9c21..f80a6ad24 100644
--- a/src/plugins/irc/irc-protocol.c
+++ b/src/plugins/irc/irc-protocol.c
@@ -1,7 +1,7 @@
 /*
  * irc-protocol.c - implementation of IRC protocol (RFCs 1459/2810/2811/2812/2813)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2014 Shawn Smith <ShawnSmith0828@gmail.com>
  *
diff --git a/src/plugins/irc/irc-protocol.h b/src/plugins/irc/irc-protocol.h
index 57363dbe7..ceb2da136 100644
--- a/src/plugins/irc/irc-protocol.h
+++ b/src/plugins/irc/irc-protocol.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-raw.c b/src/plugins/irc/irc-raw.c
index 093733404..383c25951 100644
--- a/src/plugins/irc/irc-raw.c
+++ b/src/plugins/irc/irc-raw.c
@@ -1,7 +1,7 @@
 /*
  * irc-raw.c - functions for IRC raw data messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-raw.h b/src/plugins/irc/irc-raw.h
index 3744ef5c7..b846e7b96 100644
--- a/src/plugins/irc/irc-raw.h
+++ b/src/plugins/irc/irc-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-redirect.c b/src/plugins/irc/irc-redirect.c
index b55cb0ce1..3f51d6b72 100644
--- a/src/plugins/irc/irc-redirect.c
+++ b/src/plugins/irc/irc-redirect.c
@@ -1,7 +1,7 @@
 /*
  * irc-redirect.c - redirection of IRC command output
  *
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-redirect.h b/src/plugins/irc/irc-redirect.h
index 661984947..2bcbbb94d 100644
--- a/src/plugins/irc/irc-redirect.h
+++ b/src/plugins/irc/irc-redirect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-sasl.c b/src/plugins/irc/irc-sasl.c
index 429283172..d74aa5766 100644
--- a/src/plugins/irc/irc-sasl.c
+++ b/src/plugins/irc/irc-sasl.c
@@ -1,7 +1,7 @@
 /*
  * irc-sasl.c - SASL authentication with IRC server
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-sasl.h b/src/plugins/irc/irc-sasl.h
index dbf0c931a..da5a0b177 100644
--- a/src/plugins/irc/irc-sasl.h
+++ b/src/plugins/irc/irc-sasl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-server.c b/src/plugins/irc/irc-server.c
index 45c3519cc..055b4380b 100644
--- a/src/plugins/irc/irc-server.c
+++ b/src/plugins/irc/irc-server.c
@@ -1,7 +1,7 @@
 /*
  * irc-server.c - I/O communication with IRC servers
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2010 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2012 Simon Arlott
  *
diff --git a/src/plugins/irc/irc-server.h b/src/plugins/irc/irc-server.h
index f6cc28dc0..b4964ed1b 100644
--- a/src/plugins/irc/irc-server.h
+++ b/src/plugins/irc/irc-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/irc/irc-tag.c b/src/plugins/irc/irc-tag.c
index af8f21063..88ef527df 100644
--- a/src/plugins/irc/irc-tag.c
+++ b/src/plugins/irc/irc-tag.c
@@ -1,7 +1,7 @@
 /*
  * irc-tag.c - functions for IRC message tags
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-tag.h b/src/plugins/irc/irc-tag.h
index bf79859d2..c363d3294 100644
--- a/src/plugins/irc/irc-tag.h
+++ b/src/plugins/irc/irc-tag.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-typing.c b/src/plugins/irc/irc-typing.c
index 5b377a3f1..1d4e7c776 100644
--- a/src/plugins/irc/irc-typing.c
+++ b/src/plugins/irc/irc-typing.c
@@ -1,7 +1,7 @@
 /*
  * irc-typing.c - manage typing status on channels/private
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-typing.h b/src/plugins/irc/irc-typing.h
index 0f4208ab8..ae57de65b 100644
--- a/src/plugins/irc/irc-typing.h
+++ b/src/plugins/irc/irc-typing.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-upgrade.c b/src/plugins/irc/irc-upgrade.c
index f29356703..ff7a71efe 100644
--- a/src/plugins/irc/irc-upgrade.c
+++ b/src/plugins/irc/irc-upgrade.c
@@ -1,7 +1,7 @@
 /*
  * irc-upgrade.c - save/restore IRC plugin data when upgrading WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc-upgrade.h b/src/plugins/irc/irc-upgrade.h
index fe4fd2d98..840719cb4 100644
--- a/src/plugins/irc/irc-upgrade.h
+++ b/src/plugins/irc/irc-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc.c b/src/plugins/irc/irc.c
index 3d3fb7fd8..a035a63e8 100644
--- a/src/plugins/irc/irc.c
+++ b/src/plugins/irc/irc.c
@@ -1,7 +1,7 @@
 /*
  * irc.c - IRC (Internet Relay Chat) plugin for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/irc/irc.h b/src/plugins/irc/irc.h
index 519ac1685..4a59aeb59 100644
--- a/src/plugins/irc/irc.h
+++ b/src/plugins/irc/irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/javascript/CMakeLists.txt b/src/plugins/javascript/CMakeLists.txt
index 63fa55173..f2617ac6d 100644
--- a/src/plugins/javascript/CMakeLists.txt
+++ b/src/plugins/javascript/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/javascript/Makefile.am b/src/plugins/javascript/Makefile.am
index 442e6a8c1..9dd16f0e5 100644
--- a/src/plugins/javascript/Makefile.am
+++ b/src/plugins/javascript/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/javascript/weechat-js-api.cpp b/src/plugins/javascript/weechat-js-api.cpp
index 5e4de1ebf..5c446ed66 100644
--- a/src/plugins/javascript/weechat-js-api.cpp
+++ b/src/plugins/javascript/weechat-js-api.cpp
@@ -2,7 +2,7 @@
  * weechat-js-api.cpp - javascript API functions
  *
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/javascript/weechat-js-api.h b/src/plugins/javascript/weechat-js-api.h
index e32bd730e..50c1a100f 100644
--- a/src/plugins/javascript/weechat-js-api.h
+++ b/src/plugins/javascript/weechat-js-api.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/javascript/weechat-js-v8.cpp b/src/plugins/javascript/weechat-js-v8.cpp
index f1e6fb0df..f1af0231c 100644
--- a/src/plugins/javascript/weechat-js-v8.cpp
+++ b/src/plugins/javascript/weechat-js-v8.cpp
@@ -2,7 +2,7 @@
  * weechat-js-v8.cpp - v8 javascript functions
  *
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/javascript/weechat-js-v8.h b/src/plugins/javascript/weechat-js-v8.h
index 195b68234..c08426013 100644
--- a/src/plugins/javascript/weechat-js-v8.h
+++ b/src/plugins/javascript/weechat-js-v8.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/javascript/weechat-js.cpp b/src/plugins/javascript/weechat-js.cpp
index b76d1d89e..137e19e01 100644
--- a/src/plugins/javascript/weechat-js.cpp
+++ b/src/plugins/javascript/weechat-js.cpp
@@ -2,7 +2,7 @@
  * weechat-js.cpp - javascript plugin for WeeChat
  *
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/javascript/weechat-js.h b/src/plugins/javascript/weechat-js.h
index 7b35c6d02..8a87c0a02 100644
--- a/src/plugins/javascript/weechat-js.h
+++ b/src/plugins/javascript/weechat-js.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2013 Koka El Kiwi <kokakiwi@kokakiwi.net>
- * Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/CMakeLists.txt b/src/plugins/logger/CMakeLists.txt
index fad9e5b10..c3b0aec0c 100644
--- a/src/plugins/logger/CMakeLists.txt
+++ b/src/plugins/logger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/logger/Makefile.am b/src/plugins/logger/Makefile.am
index 56fb2bcd8..18ba8f46e 100644
--- a/src/plugins/logger/Makefile.am
+++ b/src/plugins/logger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/logger/logger-backlog.c b/src/plugins/logger/logger-backlog.c
index c4cc0af48..14ed7bffb 100644
--- a/src/plugins/logger/logger-backlog.c
+++ b/src/plugins/logger/logger-backlog.c
@@ -1,7 +1,7 @@
 /*
  * logger-backlog.c - display backlog of messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-backlog.h b/src/plugins/logger/logger-backlog.h
index 9acf51abe..39b13933b 100644
--- a/src/plugins/logger/logger-backlog.h
+++ b/src/plugins/logger/logger-backlog.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-buffer.c b/src/plugins/logger/logger-buffer.c
index 17cf08ce2..9c02ded58 100644
--- a/src/plugins/logger/logger-buffer.c
+++ b/src/plugins/logger/logger-buffer.c
@@ -1,7 +1,7 @@
 /*
  * logger-buffer.c - logger buffer list management
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-buffer.h b/src/plugins/logger/logger-buffer.h
index 383de56a8..85b99fbe6 100644
--- a/src/plugins/logger/logger-buffer.h
+++ b/src/plugins/logger/logger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-command.c b/src/plugins/logger/logger-command.c
index bb753ed06..2cc1b07f6 100644
--- a/src/plugins/logger/logger-command.c
+++ b/src/plugins/logger/logger-command.c
@@ -1,7 +1,7 @@
 /*
  * logger-command.c - logger commands
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-command.h b/src/plugins/logger/logger-command.h
index 65a8b3573..0a4598795 100644
--- a/src/plugins/logger/logger-command.h
+++ b/src/plugins/logger/logger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-config.c b/src/plugins/logger/logger-config.c
index 1fb263a34..f2a50329c 100644
--- a/src/plugins/logger/logger-config.c
+++ b/src/plugins/logger/logger-config.c
@@ -1,7 +1,7 @@
 /*
  * logger-config.c - logger configuration options (file logger.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-config.h b/src/plugins/logger/logger-config.h
index 406fc7d87..0b4d5a6f2 100644
--- a/src/plugins/logger/logger-config.h
+++ b/src/plugins/logger/logger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-info.c b/src/plugins/logger/logger-info.c
index 6817f3d3d..c08577f8f 100644
--- a/src/plugins/logger/logger-info.c
+++ b/src/plugins/logger/logger-info.c
@@ -1,7 +1,7 @@
 /*
  * logger-info.c - info and infolist hooks for logger plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-info.h b/src/plugins/logger/logger-info.h
index b7ef24266..bc98224ac 100644
--- a/src/plugins/logger/logger-info.h
+++ b/src/plugins/logger/logger-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-tail.c b/src/plugins/logger/logger-tail.c
index 612da03fa..280a59afe 100644
--- a/src/plugins/logger/logger-tail.c
+++ b/src/plugins/logger/logger-tail.c
@@ -1,7 +1,7 @@
 /*
  * logger-tail.c - return last lines of a file
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger-tail.h b/src/plugins/logger/logger-tail.h
index ecb61bd74..07d4a010c 100644
--- a/src/plugins/logger/logger-tail.h
+++ b/src/plugins/logger/logger-tail.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger.c b/src/plugins/logger/logger.c
index 10ba13452..cdfb48f0b 100644
--- a/src/plugins/logger/logger.c
+++ b/src/plugins/logger/logger.c
@@ -1,7 +1,7 @@
 /*
  * logger.c - logger plugin for WeeChat: save buffer lines to disk files
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/logger/logger.h b/src/plugins/logger/logger.h
index 364f5c163..558c40315 100644
--- a/src/plugins/logger/logger.h
+++ b/src/plugins/logger/logger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/lua/CMakeLists.txt b/src/plugins/lua/CMakeLists.txt
index 198dc0b9f..3e25fb16b 100644
--- a/src/plugins/lua/CMakeLists.txt
+++ b/src/plugins/lua/CMakeLists.txt
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
-# Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/lua/Makefile.am b/src/plugins/lua/Makefile.am
index 74b855219..fa5c0de5d 100644
--- a/src/plugins/lua/Makefile.am
+++ b/src/plugins/lua/Makefile.am
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
-# Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/lua/weechat-lua-api.c b/src/plugins/lua/weechat-lua-api.c
index 95dc99adf..0f5e1a6b8 100644
--- a/src/plugins/lua/weechat-lua-api.c
+++ b/src/plugins/lua/weechat-lua-api.c
@@ -2,7 +2,7 @@
  * weechat-lua-api.c - lua API functions
  *
  * Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/lua/weechat-lua-api.h b/src/plugins/lua/weechat-lua-api.h
index 61a4eb8f4..ce5a6f258 100644
--- a/src/plugins/lua/weechat-lua-api.h
+++ b/src/plugins/lua/weechat-lua-api.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/lua/weechat-lua.c b/src/plugins/lua/weechat-lua.c
index 36ff14f3a..5c5826dc9 100644
--- a/src/plugins/lua/weechat-lua.c
+++ b/src/plugins/lua/weechat-lua.c
@@ -2,7 +2,7 @@
  * weechat-lua.c - lua plugin for WeeChat
  *
  * Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/lua/weechat-lua.h b/src/plugins/lua/weechat-lua.h
index a8aacee39..0b6ef3aab 100644
--- a/src/plugins/lua/weechat-lua.h
+++ b/src/plugins/lua/weechat-lua.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006-2007 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/perl/CMakeLists.txt b/src/plugins/perl/CMakeLists.txt
index cd1462540..5bb9259bb 100644
--- a/src/plugins/perl/CMakeLists.txt
+++ b/src/plugins/perl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/perl/Makefile.am b/src/plugins/perl/Makefile.am
index ff33438b4..ef7bee013 100644
--- a/src/plugins/perl/Makefile.am
+++ b/src/plugins/perl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/perl/weechat-perl-api.c b/src/plugins/perl/weechat-perl-api.c
index 5b44470b9..b06d20953 100644
--- a/src/plugins/perl/weechat-perl-api.c
+++ b/src/plugins/perl/weechat-perl-api.c
@@ -1,7 +1,7 @@
 /*
  * weechat-perl-api.c - perl API functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2008 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2012 Simon Arlott
  *
diff --git a/src/plugins/perl/weechat-perl-api.h b/src/plugins/perl/weechat-perl-api.h
index a031df51a..bde87c0d2 100644
--- a/src/plugins/perl/weechat-perl-api.h
+++ b/src/plugins/perl/weechat-perl-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/perl/weechat-perl.c b/src/plugins/perl/weechat-perl.c
index ad4a659f0..c1771a73f 100644
--- a/src/plugins/perl/weechat-perl.c
+++ b/src/plugins/perl/weechat-perl.c
@@ -1,7 +1,7 @@
 /*
  * weechat-perl.c - perl plugin for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2008 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/perl/weechat-perl.h b/src/plugins/perl/weechat-perl.h
index 9597e3297..3ff330d44 100644
--- a/src/plugins/perl/weechat-perl.h
+++ b/src/plugins/perl/weechat-perl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/php/weechat-php-api.c b/src/plugins/php/weechat-php-api.c
index 3d0054642..9e10984f5 100644
--- a/src/plugins/php/weechat-php-api.c
+++ b/src/plugins/php/weechat-php-api.c
@@ -2,7 +2,7 @@
  * weechat-php-api.c - PHP API functions
  *
  * Copyright (C) 2006-2017 Adam Saponara <as@php.net>
- * Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/php/weechat-php-api.h b/src/plugins/php/weechat-php-api.h
index 59d49840f..4cb737553 100644
--- a/src/plugins/php/weechat-php-api.h
+++ b/src/plugins/php/weechat-php-api.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006-2017 Adam Saponara <as@php.net>
- * Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/php/weechat-php.c b/src/plugins/php/weechat-php.c
index a3b3dd554..dacd2d1a5 100644
--- a/src/plugins/php/weechat-php.c
+++ b/src/plugins/php/weechat-php.c
@@ -2,7 +2,7 @@
  * weechat-php.c - PHP plugin for WeeChat
  *
  * Copyright (C) 2006-2017 Adam Saponara <as@php.net>
- * Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/php/weechat-php.h b/src/plugins/php/weechat-php.h
index fb7c2158b..ffe3cf841 100644
--- a/src/plugins/php/weechat-php.h
+++ b/src/plugins/php/weechat-php.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006-2017 Adam Saponara <as@php.net>
- * Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-api-info.c b/src/plugins/plugin-api-info.c
index 7570ee8ab..a9e745bb4 100644
--- a/src/plugins/plugin-api-info.c
+++ b/src/plugins/plugin-api-info.c
@@ -1,7 +1,7 @@
 /*
  * plugin-api-info.c - extra info functions for plugin API
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-api-info.h b/src/plugins/plugin-api-info.h
index 88407b219..dd7adefe8 100644
--- a/src/plugins/plugin-api-info.h
+++ b/src/plugins/plugin-api-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-api.c b/src/plugins/plugin-api.c
index d4a374899..f2aca1423 100644
--- a/src/plugins/plugin-api.c
+++ b/src/plugins/plugin-api.c
@@ -1,7 +1,7 @@
 /*
  * plugin-api.c - extra functions for plugin API
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-api.h b/src/plugins/plugin-api.h
index 6cc6f1646..0001a2fe4 100644
--- a/src/plugins/plugin-api.h
+++ b/src/plugins/plugin-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-config.c b/src/plugins/plugin-config.c
index b1fc6eae9..7538c1863 100644
--- a/src/plugins/plugin-config.c
+++ b/src/plugins/plugin-config.c
@@ -1,7 +1,7 @@
 /*
  * plugin-config.c - plugin configuration options (file plugins.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-config.h b/src/plugins/plugin-config.h
index ad5972d18..c80d107af 100644
--- a/src/plugins/plugin-config.h
+++ b/src/plugins/plugin-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-script-api.c b/src/plugins/plugin-script-api.c
index e69ea56e3..368edc4f8 100644
--- a/src/plugins/plugin-script-api.c
+++ b/src/plugins/plugin-script-api.c
@@ -1,7 +1,7 @@
 /*
  * script-api.c - script API functions, used by script plugins
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/plugin-script-api.h b/src/plugins/plugin-script-api.h
index c7264d72e..b87ba76da 100644
--- a/src/plugins/plugin-script-api.h
+++ b/src/plugins/plugin-script-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/plugin-script-config.c b/src/plugins/plugin-script-config.c
index 38ab78497..599053d68 100644
--- a/src/plugins/plugin-script-config.c
+++ b/src/plugins/plugin-script-config.c
@@ -1,7 +1,7 @@
 /*
  * plugin-script-config.c - configuration options, used by script plugins
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-script-config.h b/src/plugins/plugin-script-config.h
index 1798d9928..19696c3dd 100644
--- a/src/plugins/plugin-script-config.h
+++ b/src/plugins/plugin-script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-script.c b/src/plugins/plugin-script.c
index 016deace1..9fb865f52 100644
--- a/src/plugins/plugin-script.c
+++ b/src/plugins/plugin-script.c
@@ -1,7 +1,7 @@
 /*
  * plugin-script.c - common functions used by script plugins
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin-script.h b/src/plugins/plugin-script.h
index 6139aec17..9133b3c43 100644
--- a/src/plugins/plugin-script.h
+++ b/src/plugins/plugin-script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin.c b/src/plugins/plugin.c
index 34e6f3e16..04f4e001b 100644
--- a/src/plugins/plugin.c
+++ b/src/plugins/plugin.c
@@ -1,7 +1,7 @@
 /*
  * plugin.c - WeeChat plugins management (load/unload dynamic C libraries)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/plugin.h b/src/plugins/plugin.h
index 290d09b7c..a67a018cf 100644
--- a/src/plugins/plugin.h
+++ b/src/plugins/plugin.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/python/CMakeLists.txt b/src/plugins/python/CMakeLists.txt
index 13fb4c3b2..9042f15e7 100644
--- a/src/plugins/python/CMakeLists.txt
+++ b/src/plugins/python/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/python/Makefile.am b/src/plugins/python/Makefile.am
index 994321b00..88393cc4e 100644
--- a/src/plugins/python/Makefile.am
+++ b/src/plugins/python/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/python/weechat-python-api.c b/src/plugins/python/weechat-python-api.c
index 7afddd909..9e50dc006 100644
--- a/src/plugins/python/weechat-python-api.c
+++ b/src/plugins/python/weechat-python-api.c
@@ -1,7 +1,7 @@
 /*
  * weechat-python-api.c - python API functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2012 Simon Arlott
  *
diff --git a/src/plugins/python/weechat-python-api.h b/src/plugins/python/weechat-python-api.h
index c1f89d222..9ceffe75b 100644
--- a/src/plugins/python/weechat-python-api.h
+++ b/src/plugins/python/weechat-python-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/python/weechat-python.c b/src/plugins/python/weechat-python.c
index 49ba73610..802dda614 100644
--- a/src/plugins/python/weechat-python.c
+++ b/src/plugins/python/weechat-python.c
@@ -1,7 +1,7 @@
 /*
  * weechat-python.c - python plugin for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2012 Simon Arlott
  *
diff --git a/src/plugins/python/weechat-python.h b/src/plugins/python/weechat-python.h
index da7a3dc13..d779268e1 100644
--- a/src/plugins/python/weechat-python.h
+++ b/src/plugins/python/weechat-python.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/relay/CMakeLists.txt b/src/plugins/relay/CMakeLists.txt
index aa5a4f953..2f5cba66a 100644
--- a/src/plugins/relay/CMakeLists.txt
+++ b/src/plugins/relay/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/relay/Makefile.am b/src/plugins/relay/Makefile.am
index 2cf420ced..18536ff3b 100644
--- a/src/plugins/relay/Makefile.am
+++ b/src/plugins/relay/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/relay/irc/relay-irc.c b/src/plugins/relay/irc/relay-irc.c
index 929ee569d..25c8f6dc1 100644
--- a/src/plugins/relay/irc/relay-irc.c
+++ b/src/plugins/relay/irc/relay-irc.c
@@ -1,7 +1,7 @@
 /*
  * relay-irc.c - IRC protocol for relay to client: IRC proxy/bouncer
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/irc/relay-irc.h b/src/plugins/relay/irc/relay-irc.h
index 14359f746..8898487f5 100644
--- a/src/plugins/relay/irc/relay-irc.h
+++ b/src/plugins/relay/irc/relay-irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-auth.c b/src/plugins/relay/relay-auth.c
index 24c6df14b..57ace728c 100644
--- a/src/plugins/relay/relay-auth.c
+++ b/src/plugins/relay/relay-auth.c
@@ -1,7 +1,7 @@
 /*
  * relay-auth.c - relay client authentication
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-auth.h b/src/plugins/relay/relay-auth.h
index 4a4256036..b0457d866 100644
--- a/src/plugins/relay/relay-auth.h
+++ b/src/plugins/relay/relay-auth.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-buffer.c b/src/plugins/relay/relay-buffer.c
index e693025ae..d61ed0fcc 100644
--- a/src/plugins/relay/relay-buffer.c
+++ b/src/plugins/relay/relay-buffer.c
@@ -1,7 +1,7 @@
 /*
  * relay-buffer.c - display clients list on relay buffer
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-buffer.h b/src/plugins/relay/relay-buffer.h
index aa493ddac..a3187cbc3 100644
--- a/src/plugins/relay/relay-buffer.h
+++ b/src/plugins/relay/relay-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-client.c b/src/plugins/relay/relay-client.c
index 970a2764f..16dd268ff 100644
--- a/src/plugins/relay/relay-client.c
+++ b/src/plugins/relay/relay-client.c
@@ -1,7 +1,7 @@
 /*
  * relay-client.c - client functions for relay plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-client.h b/src/plugins/relay/relay-client.h
index 955e8d529..22e85a29b 100644
--- a/src/plugins/relay/relay-client.h
+++ b/src/plugins/relay/relay-client.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-command.c b/src/plugins/relay/relay-command.c
index c8110e8c3..97a671b1d 100644
--- a/src/plugins/relay/relay-command.c
+++ b/src/plugins/relay/relay-command.c
@@ -1,7 +1,7 @@
 /*
  * relay-command.c - relay command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-command.h b/src/plugins/relay/relay-command.h
index 6bd440c74..1c97a8b8c 100644
--- a/src/plugins/relay/relay-command.h
+++ b/src/plugins/relay/relay-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-completion.c b/src/plugins/relay/relay-completion.c
index 525c350d7..bcfde8719 100644
--- a/src/plugins/relay/relay-completion.c
+++ b/src/plugins/relay/relay-completion.c
@@ -1,7 +1,7 @@
 /*
  * relay-completion.c - completion for relay command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-completion.h b/src/plugins/relay/relay-completion.h
index d6e8200b4..aa3b5755f 100644
--- a/src/plugins/relay/relay-completion.h
+++ b/src/plugins/relay/relay-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-config.c b/src/plugins/relay/relay-config.c
index 5c8b4a6b3..f0715c134 100644
--- a/src/plugins/relay/relay-config.c
+++ b/src/plugins/relay/relay-config.c
@@ -1,7 +1,7 @@
 /*
  * relay-config.c - relay configuration options (file relay.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-config.h b/src/plugins/relay/relay-config.h
index dac4d3985..eda75b368 100644
--- a/src/plugins/relay/relay-config.h
+++ b/src/plugins/relay/relay-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-info.c b/src/plugins/relay/relay-info.c
index 157a07155..50b978650 100644
--- a/src/plugins/relay/relay-info.c
+++ b/src/plugins/relay/relay-info.c
@@ -1,7 +1,7 @@
 /*
  * relay-info.c - info and infolist hooks for relay plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-info.h b/src/plugins/relay/relay-info.h
index cb5a71ad5..b1f6c74f7 100644
--- a/src/plugins/relay/relay-info.h
+++ b/src/plugins/relay/relay-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-network.c b/src/plugins/relay/relay-network.c
index c4245f828..81775de4e 100644
--- a/src/plugins/relay/relay-network.c
+++ b/src/plugins/relay/relay-network.c
@@ -1,7 +1,7 @@
 /*
  * relay-network.c - network functions for relay plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-network.h b/src/plugins/relay/relay-network.h
index f43a512e7..c4457cc4b 100644
--- a/src/plugins/relay/relay-network.h
+++ b/src/plugins/relay/relay-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-raw.c b/src/plugins/relay/relay-raw.c
index dcebc7107..c73357ce7 100644
--- a/src/plugins/relay/relay-raw.c
+++ b/src/plugins/relay/relay-raw.c
@@ -1,7 +1,7 @@
 /*
  * relay-raw.c - functions for Relay raw data messages
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-raw.h b/src/plugins/relay/relay-raw.h
index fe739ca96..288de252b 100644
--- a/src/plugins/relay/relay-raw.h
+++ b/src/plugins/relay/relay-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-server.c b/src/plugins/relay/relay-server.c
index e15646e83..a52eaf74b 100644
--- a/src/plugins/relay/relay-server.c
+++ b/src/plugins/relay/relay-server.c
@@ -1,7 +1,7 @@
 /*
  * relay-server.c - server functions for relay plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-server.h b/src/plugins/relay/relay-server.h
index c77191163..9a1c5e131 100644
--- a/src/plugins/relay/relay-server.h
+++ b/src/plugins/relay/relay-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-upgrade.c b/src/plugins/relay/relay-upgrade.c
index 7a36e6348..34def72f5 100644
--- a/src/plugins/relay/relay-upgrade.c
+++ b/src/plugins/relay/relay-upgrade.c
@@ -1,7 +1,7 @@
 /*
  * relay-upgrade.c - save/restore relay plugin data when upgrading WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-upgrade.h b/src/plugins/relay/relay-upgrade.h
index 853516160..d5c039fa6 100644
--- a/src/plugins/relay/relay-upgrade.h
+++ b/src/plugins/relay/relay-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-websocket.c b/src/plugins/relay/relay-websocket.c
index 0fd57c023..c93941e39 100644
--- a/src/plugins/relay/relay-websocket.c
+++ b/src/plugins/relay/relay-websocket.c
@@ -1,7 +1,7 @@
 /*
  * relay-websocket.c - websocket server functions for relay plugin (RFC 6455)
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay-websocket.h b/src/plugins/relay/relay-websocket.h
index fd4dde244..756238e06 100644
--- a/src/plugins/relay/relay-websocket.h
+++ b/src/plugins/relay/relay-websocket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay.c b/src/plugins/relay/relay.c
index 5d5cd087c..9eaca1bac 100644
--- a/src/plugins/relay/relay.c
+++ b/src/plugins/relay/relay.c
@@ -1,7 +1,7 @@
 /*
  * relay.c - network communication between WeeChat and remote client
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/relay.h b/src/plugins/relay/relay.h
index 2ce37caa3..8956de2e2 100644
--- a/src/plugins/relay/relay.h
+++ b/src/plugins/relay/relay.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-msg.c b/src/plugins/relay/weechat/relay-weechat-msg.c
index 5ca29c2e0..af2bd3d78 100644
--- a/src/plugins/relay/weechat/relay-weechat-msg.c
+++ b/src/plugins/relay/weechat/relay-weechat-msg.c
@@ -1,7 +1,7 @@
 /*
  * relay-weechat-msg.c - build binary messages for WeeChat protocol
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-msg.h b/src/plugins/relay/weechat/relay-weechat-msg.h
index ab30b5748..63bb7db9f 100644
--- a/src/plugins/relay/weechat/relay-weechat-msg.h
+++ b/src/plugins/relay/weechat/relay-weechat-msg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-nicklist.c b/src/plugins/relay/weechat/relay-weechat-nicklist.c
index 4afcd279f..5449663e1 100644
--- a/src/plugins/relay/weechat/relay-weechat-nicklist.c
+++ b/src/plugins/relay/weechat/relay-weechat-nicklist.c
@@ -1,7 +1,7 @@
 /*
  * relay-weechat-nicklist.c - nicklist functions for WeeChat protocol
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-nicklist.h b/src/plugins/relay/weechat/relay-weechat-nicklist.h
index d069a7f4a..995e0a1e9 100644
--- a/src/plugins/relay/weechat/relay-weechat-nicklist.h
+++ b/src/plugins/relay/weechat/relay-weechat-nicklist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-protocol.c b/src/plugins/relay/weechat/relay-weechat-protocol.c
index 876610611..eeb9f30ae 100644
--- a/src/plugins/relay/weechat/relay-weechat-protocol.c
+++ b/src/plugins/relay/weechat/relay-weechat-protocol.c
@@ -1,7 +1,7 @@
 /*
  * relay-weechat-protocol.c - WeeChat protocol for relay to client
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat-protocol.h b/src/plugins/relay/weechat/relay-weechat-protocol.h
index 23d711add..ef776ffca 100644
--- a/src/plugins/relay/weechat/relay-weechat-protocol.h
+++ b/src/plugins/relay/weechat/relay-weechat-protocol.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat.c b/src/plugins/relay/weechat/relay-weechat.c
index 2ea0ee20a..de9ff6535 100644
--- a/src/plugins/relay/weechat/relay-weechat.c
+++ b/src/plugins/relay/weechat/relay-weechat.c
@@ -1,7 +1,7 @@
 /*
  * relay-weechat.c - WeeChat protocol for relay to client
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/relay/weechat/relay-weechat.h b/src/plugins/relay/weechat/relay-weechat.h
index d9037e985..c38f47b78 100644
--- a/src/plugins/relay/weechat/relay-weechat.h
+++ b/src/plugins/relay/weechat/relay-weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/ruby/CMakeLists.txt b/src/plugins/ruby/CMakeLists.txt
index fe5d75e0e..c28ae613c 100644
--- a/src/plugins/ruby/CMakeLists.txt
+++ b/src/plugins/ruby/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/ruby/Makefile.am b/src/plugins/ruby/Makefile.am
index 867327011..18c4cf3b8 100644
--- a/src/plugins/ruby/Makefile.am
+++ b/src/plugins/ruby/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/ruby/weechat-ruby-api.c b/src/plugins/ruby/weechat-ruby-api.c
index f887774d3..54c894eab 100644
--- a/src/plugins/ruby/weechat-ruby-api.c
+++ b/src/plugins/ruby/weechat-ruby-api.c
@@ -1,7 +1,7 @@
 /*
  * weechat-ruby-api.c - ruby API functions
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  * Copyright (C) 2012 Simon Arlott
  *
diff --git a/src/plugins/ruby/weechat-ruby-api.h b/src/plugins/ruby/weechat-ruby-api.h
index 9e4581d73..95516ae25 100644
--- a/src/plugins/ruby/weechat-ruby-api.h
+++ b/src/plugins/ruby/weechat-ruby-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/ruby/weechat-ruby.c b/src/plugins/ruby/weechat-ruby.c
index 52e1c5ffc..0b237aeb0 100644
--- a/src/plugins/ruby/weechat-ruby.c
+++ b/src/plugins/ruby/weechat-ruby.c
@@ -1,7 +1,7 @@
 /*
  * weechat-ruby.c - ruby plugin for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/ruby/weechat-ruby.h b/src/plugins/ruby/weechat-ruby.h
index b5a479422..405a27106 100644
--- a/src/plugins/ruby/weechat-ruby.h
+++ b/src/plugins/ruby/weechat-ruby.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/script/CMakeLists.txt b/src/plugins/script/CMakeLists.txt
index f266e1cc3..bec2fbf24 100644
--- a/src/plugins/script/CMakeLists.txt
+++ b/src/plugins/script/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/script/Makefile.am b/src/plugins/script/Makefile.am
index 9e4b35b77..92b74ecce 100644
--- a/src/plugins/script/Makefile.am
+++ b/src/plugins/script/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/script/script-action.c b/src/plugins/script/script-action.c
index 5060ec34a..28e349f9e 100644
--- a/src/plugins/script/script-action.c
+++ b/src/plugins/script/script-action.c
@@ -1,7 +1,7 @@
 /*
  * script-action.c - actions on scripts
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-action.h b/src/plugins/script/script-action.h
index be849395b..7ef091421 100644
--- a/src/plugins/script/script-action.h
+++ b/src/plugins/script/script-action.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-buffer.c b/src/plugins/script/script-buffer.c
index 86b3ee614..349e49ae4 100644
--- a/src/plugins/script/script-buffer.c
+++ b/src/plugins/script/script-buffer.c
@@ -1,7 +1,7 @@
 /*
  * script-buffer.c - display scripts on script buffer
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-buffer.h b/src/plugins/script/script-buffer.h
index 476e10ce1..d1e6dd1a9 100644
--- a/src/plugins/script/script-buffer.h
+++ b/src/plugins/script/script-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-command.c b/src/plugins/script/script-command.c
index 48b59877d..c943514e4 100644
--- a/src/plugins/script/script-command.c
+++ b/src/plugins/script/script-command.c
@@ -1,7 +1,7 @@
 /*
  * script-command.c - script command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-command.h b/src/plugins/script/script-command.h
index 3fb784e9b..aa20e2a30 100644
--- a/src/plugins/script/script-command.h
+++ b/src/plugins/script/script-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-completion.c b/src/plugins/script/script-completion.c
index 0e4cce0f4..ac97bed1a 100644
--- a/src/plugins/script/script-completion.c
+++ b/src/plugins/script/script-completion.c
@@ -1,7 +1,7 @@
 /*
  * script-completion.c - completions for script command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-completion.h b/src/plugins/script/script-completion.h
index 7290b797f..90154475b 100644
--- a/src/plugins/script/script-completion.h
+++ b/src/plugins/script/script-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-config.c b/src/plugins/script/script-config.c
index 9b298b77c..f73ad1b35 100644
--- a/src/plugins/script/script-config.c
+++ b/src/plugins/script/script-config.c
@@ -1,7 +1,7 @@
 /*
  * script-config.c - script configuration options (file script.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-config.h b/src/plugins/script/script-config.h
index 4f845b1d4..1211158dd 100644
--- a/src/plugins/script/script-config.h
+++ b/src/plugins/script/script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-info.c b/src/plugins/script/script-info.c
index 937195d4b..e696fd609 100644
--- a/src/plugins/script/script-info.c
+++ b/src/plugins/script/script-info.c
@@ -1,7 +1,7 @@
 /*
  * script-info.c - info, infolist and hdata hooks for script plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-info.h b/src/plugins/script/script-info.h
index 616b7ebc4..02da88ee2 100644
--- a/src/plugins/script/script-info.h
+++ b/src/plugins/script/script-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-mouse.c b/src/plugins/script/script-mouse.c
index 4d09c7627..d8a11d707 100644
--- a/src/plugins/script/script-mouse.c
+++ b/src/plugins/script/script-mouse.c
@@ -1,7 +1,7 @@
 /*
  * script-mouse.c - mouse actions for script
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-mouse.h b/src/plugins/script/script-mouse.h
index 553bd2e35..d36b2df78 100644
--- a/src/plugins/script/script-mouse.h
+++ b/src/plugins/script/script-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-repo.c b/src/plugins/script/script-repo.c
index aa277b49a..df947e098 100644
--- a/src/plugins/script/script-repo.c
+++ b/src/plugins/script/script-repo.c
@@ -1,7 +1,7 @@
 /*
  * script-repo.c - download and read repository file (plugins.xml.gz)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script-repo.h b/src/plugins/script/script-repo.h
index 675928bbe..6b3e784dd 100644
--- a/src/plugins/script/script-repo.h
+++ b/src/plugins/script/script-repo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script.c b/src/plugins/script/script.c
index d29ae9234..1d33afa87 100644
--- a/src/plugins/script/script.c
+++ b/src/plugins/script/script.c
@@ -1,7 +1,7 @@
 /*
  * script.c - script manager for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/script/script.h b/src/plugins/script/script.h
index 57dc1dd16..edb0deba7 100644
--- a/src/plugins/script/script.h
+++ b/src/plugins/script/script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/CMakeLists.txt b/src/plugins/spell/CMakeLists.txt
index c296d1ec7..33c3b88f7 100644
--- a/src/plugins/spell/CMakeLists.txt
+++ b/src/plugins/spell/CMakeLists.txt
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
-# Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/spell/Makefile.am b/src/plugins/spell/Makefile.am
index c5e41c094..4a081c008 100644
--- a/src/plugins/spell/Makefile.am
+++ b/src/plugins/spell/Makefile.am
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
-# Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/spell/spell-bar-item.c b/src/plugins/spell/spell-bar-item.c
index 8e485f96b..126c37363 100644
--- a/src/plugins/spell/spell-bar-item.c
+++ b/src/plugins/spell/spell-bar-item.c
@@ -2,7 +2,7 @@
  * spell-bar-item.c - bar items for spell checker plugin
  *
  * Copyright (C) 2012 Nils Görs <weechatter@arcor.de>
- * Copyright (C) 2012-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-command.c b/src/plugins/spell/spell-command.c
index 9658555f3..51212ca26 100644
--- a/src/plugins/spell/spell-command.c
+++ b/src/plugins/spell/spell-command.c
@@ -1,7 +1,7 @@
 /*
  * spell-command.c - spell checker commands
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-command.h b/src/plugins/spell/spell-command.h
index 5d0be8c5a..6949de312 100644
--- a/src/plugins/spell/spell-command.h
+++ b/src/plugins/spell/spell-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-completion.c b/src/plugins/spell/spell-completion.c
index 4dfacf510..ee883ae06 100644
--- a/src/plugins/spell/spell-completion.c
+++ b/src/plugins/spell/spell-completion.c
@@ -1,7 +1,7 @@
 /*
  * spell-completion.c - completion for spell checker commands
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-completion.h b/src/plugins/spell/spell-completion.h
index a0e4af242..0736e086a 100644
--- a/src/plugins/spell/spell-completion.h
+++ b/src/plugins/spell/spell-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-config.c b/src/plugins/spell/spell-config.c
index 1dfbbadeb..4e112f0f8 100644
--- a/src/plugins/spell/spell-config.c
+++ b/src/plugins/spell/spell-config.c
@@ -2,7 +2,7 @@
  * spell-config.c - spell checker configuration options (file spell.conf)
  *
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-config.h b/src/plugins/spell/spell-config.h
index 3983c739b..a27720f34 100644
--- a/src/plugins/spell/spell-config.h
+++ b/src/plugins/spell/spell-config.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-info.c b/src/plugins/spell/spell-info.c
index 4e5b9ee91..2fa458da2 100644
--- a/src/plugins/spell/spell-info.c
+++ b/src/plugins/spell/spell-info.c
@@ -1,7 +1,7 @@
 /*
  * spell-info.c - info for spell checker plugin
  *
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-info.h b/src/plugins/spell/spell-info.h
index cea1e49ad..937fe9001 100644
--- a/src/plugins/spell/spell-info.h
+++ b/src/plugins/spell/spell-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-speller.c b/src/plugins/spell/spell-speller.c
index 3b3229a27..69124aa43 100644
--- a/src/plugins/spell/spell-speller.c
+++ b/src/plugins/spell/spell-speller.c
@@ -2,7 +2,7 @@
  * spell-speller.c - speller management for spell checker plugin
  *
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell-speller.h b/src/plugins/spell/spell-speller.h
index 543af41f2..7b87063fa 100644
--- a/src/plugins/spell/spell-speller.h
+++ b/src/plugins/spell/spell-speller.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/spell/spell.c b/src/plugins/spell/spell.c
index 115f98cfe..3bf011ec0 100644
--- a/src/plugins/spell/spell.c
+++ b/src/plugins/spell/spell.c
@@ -2,7 +2,7 @@
  * spell.c - spell checker plugin for WeeChat
  *
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Nils Görs <weechatter@arcor.de>
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/spell/spell.h b/src/plugins/spell/spell.h
index 7cad71122..916e0a05a 100644
--- a/src/plugins/spell/spell.h
+++ b/src/plugins/spell/spell.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
- * Copyright (C) 2006-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/tcl/CMakeLists.txt b/src/plugins/tcl/CMakeLists.txt
index 74ad29280..c3675b7be 100644
--- a/src/plugins/tcl/CMakeLists.txt
+++ b/src/plugins/tcl/CMakeLists.txt
@@ -1,7 +1,7 @@
 #
 # Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
 # Copyright (C) 2008 Julien Louis <ptitlouis@sysif.net>
-# Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/tcl/Makefile.am b/src/plugins/tcl/Makefile.am
index 6bfd3195a..bbfafbcc8 100644
--- a/src/plugins/tcl/Makefile.am
+++ b/src/plugins/tcl/Makefile.am
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
-# Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/tcl/weechat-tcl-api.c b/src/plugins/tcl/weechat-tcl-api.c
index b5bfecbb1..323f8bdf8 100644
--- a/src/plugins/tcl/weechat-tcl-api.c
+++ b/src/plugins/tcl/weechat-tcl-api.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
  * Copyright (C) 2008 Julien Louis <ptitlouis@sysif.net>
- * Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2012 Simon Arlott
  *
  * This file is part of WeeChat, the extensible chat client.
diff --git a/src/plugins/tcl/weechat-tcl-api.h b/src/plugins/tcl/weechat-tcl-api.h
index ddd1fa960..b6f19e870 100644
--- a/src/plugins/tcl/weechat-tcl-api.h
+++ b/src/plugins/tcl/weechat-tcl-api.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
- * Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/tcl/weechat-tcl.c b/src/plugins/tcl/weechat-tcl.c
index 22163f948..af0cc71e1 100644
--- a/src/plugins/tcl/weechat-tcl.c
+++ b/src/plugins/tcl/weechat-tcl.c
@@ -2,7 +2,7 @@
  * weechat-tcl.c - tcl plugin for WeeChat
  *
  * Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
- * Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/tcl/weechat-tcl.h b/src/plugins/tcl/weechat-tcl.h
index a640892d6..da28b5a92 100644
--- a/src/plugins/tcl/weechat-tcl.h
+++ b/src/plugins/tcl/weechat-tcl.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2008-2010 Dmitry Kobylin <fnfal@academ.tsc.ru>
- * Copyright (C) 2008-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/CMakeLists.txt b/src/plugins/trigger/CMakeLists.txt
index 59f6bea9e..f1a728ed3 100644
--- a/src/plugins/trigger/CMakeLists.txt
+++ b/src/plugins/trigger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/trigger/Makefile.am b/src/plugins/trigger/Makefile.am
index 6a35825fb..67fc4081b 100644
--- a/src/plugins/trigger/Makefile.am
+++ b/src/plugins/trigger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/trigger/trigger-buffer.c b/src/plugins/trigger/trigger-buffer.c
index 82c6ba545..27188b8d8 100644
--- a/src/plugins/trigger/trigger-buffer.c
+++ b/src/plugins/trigger/trigger-buffer.c
@@ -1,7 +1,7 @@
 /*
  * trigger-buffer.c - debug buffer for triggers
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-buffer.h b/src/plugins/trigger/trigger-buffer.h
index e32008c3f..eedfacaaa 100644
--- a/src/plugins/trigger/trigger-buffer.h
+++ b/src/plugins/trigger/trigger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-callback.c b/src/plugins/trigger/trigger-callback.c
index ed0e3b8d0..a4ed0e0dd 100644
--- a/src/plugins/trigger/trigger-callback.c
+++ b/src/plugins/trigger/trigger-callback.c
@@ -1,7 +1,7 @@
 /*
  * trigger-callback.c - callbacks for triggers
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-callback.h b/src/plugins/trigger/trigger-callback.h
index 7435129fc..dd08687ee 100644
--- a/src/plugins/trigger/trigger-callback.h
+++ b/src/plugins/trigger/trigger-callback.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-command.c b/src/plugins/trigger/trigger-command.c
index 5cb35d0cf..9db93adff 100644
--- a/src/plugins/trigger/trigger-command.c
+++ b/src/plugins/trigger/trigger-command.c
@@ -1,7 +1,7 @@
 /*
  * trigger-command.c - trigger command
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-command.h b/src/plugins/trigger/trigger-command.h
index 4567a2206..aea0040d3 100644
--- a/src/plugins/trigger/trigger-command.h
+++ b/src/plugins/trigger/trigger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-completion.c b/src/plugins/trigger/trigger-completion.c
index 17ab2284f..9de8d0f74 100644
--- a/src/plugins/trigger/trigger-completion.c
+++ b/src/plugins/trigger/trigger-completion.c
@@ -1,7 +1,7 @@
 /*
  * trigger-completion.c - completion for trigger commands
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-completion.h b/src/plugins/trigger/trigger-completion.h
index 936f5338b..cb3bf3783 100644
--- a/src/plugins/trigger/trigger-completion.h
+++ b/src/plugins/trigger/trigger-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-config.c b/src/plugins/trigger/trigger-config.c
index 9f20db852..641eb951d 100644
--- a/src/plugins/trigger/trigger-config.c
+++ b/src/plugins/trigger/trigger-config.c
@@ -1,7 +1,7 @@
 /*
  * trigger-config.c - trigger configuration options (file trigger.conf)
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger-config.h b/src/plugins/trigger/trigger-config.h
index a462fb3dd..e364d5303 100644
--- a/src/plugins/trigger/trigger-config.h
+++ b/src/plugins/trigger/trigger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger.c b/src/plugins/trigger/trigger.c
index 7d3895217..b9217f7bb 100644
--- a/src/plugins/trigger/trigger.c
+++ b/src/plugins/trigger/trigger.c
@@ -1,7 +1,7 @@
 /*
  * trigger.c - trigger plugin for WeeChat
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/trigger/trigger.h b/src/plugins/trigger/trigger.h
index 7641a398d..3c4804f43 100644
--- a/src/plugins/trigger/trigger.h
+++ b/src/plugins/trigger/trigger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/CMakeLists.txt b/src/plugins/typing/CMakeLists.txt
index f1b9289bd..be4002ac2 100644
--- a/src/plugins/typing/CMakeLists.txt
+++ b/src/plugins/typing/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/typing/Makefile.am b/src/plugins/typing/Makefile.am
index ce1e5d264..711e6152d 100644
--- a/src/plugins/typing/Makefile.am
+++ b/src/plugins/typing/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/typing/typing-bar-item.c b/src/plugins/typing/typing-bar-item.c
index 9eba8020e..52a66f310 100644
--- a/src/plugins/typing/typing-bar-item.c
+++ b/src/plugins/typing/typing-bar-item.c
@@ -1,7 +1,7 @@
 /*
  * typing-bar-item.c - bar items for typing plugin
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing-bar-item.h b/src/plugins/typing/typing-bar-item.h
index deb827e35..21ffa7250 100644
--- a/src/plugins/typing/typing-bar-item.h
+++ b/src/plugins/typing/typing-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing-config.c b/src/plugins/typing/typing-config.c
index 2729968fb..ce500cb63 100644
--- a/src/plugins/typing/typing-config.c
+++ b/src/plugins/typing/typing-config.c
@@ -1,7 +1,7 @@
 /*
  * typing-config.c - typing configuration options (file typing.conf)
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing-config.h b/src/plugins/typing/typing-config.h
index 03da07866..c9238a26b 100644
--- a/src/plugins/typing/typing-config.h
+++ b/src/plugins/typing/typing-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing-status.c b/src/plugins/typing/typing-status.c
index 31b442949..f6afa247e 100644
--- a/src/plugins/typing/typing-status.c
+++ b/src/plugins/typing/typing-status.c
@@ -1,7 +1,7 @@
 /*
  * typing-status.c - manage self and other users typing status
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing-status.h b/src/plugins/typing/typing-status.h
index f7f2d0e2c..92ffd0e50 100644
--- a/src/plugins/typing/typing-status.h
+++ b/src/plugins/typing/typing-status.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing.c b/src/plugins/typing/typing.c
index 93d29af97..f7d2edd4e 100644
--- a/src/plugins/typing/typing.c
+++ b/src/plugins/typing/typing.c
@@ -1,7 +1,7 @@
 /*
  * typing.c - manage typing status of users
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/typing/typing.h b/src/plugins/typing/typing.h
index c7c7678ec..16537b42e 100644
--- a/src/plugins/typing/typing.h
+++ b/src/plugins/typing/typing.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/weechat-plugin.h b/src/plugins/weechat-plugin.h
index 207b35de2..3f697fa73 100644
--- a/src/plugins/weechat-plugin.h
+++ b/src/plugins/weechat-plugin.h
@@ -1,7 +1,7 @@
 /*
  * weechat-plugin.h - header to compile WeeChat plugins
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/CMakeLists.txt b/src/plugins/xfer/CMakeLists.txt
index 5c00166a2..4d1d77c3a 100644
--- a/src/plugins/xfer/CMakeLists.txt
+++ b/src/plugins/xfer/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/xfer/Makefile.am b/src/plugins/xfer/Makefile.am
index c4f26e28a..a8f7df7e5 100644
--- a/src/plugins/xfer/Makefile.am
+++ b/src/plugins/xfer/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/src/plugins/xfer/xfer-buffer.c b/src/plugins/xfer/xfer-buffer.c
index de67b9700..99deb1edf 100644
--- a/src/plugins/xfer/xfer-buffer.c
+++ b/src/plugins/xfer/xfer-buffer.c
@@ -1,7 +1,7 @@
 /*
  * xfer-buffer.c - display xfer list on xfer buffer
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-buffer.h b/src/plugins/xfer/xfer-buffer.h
index a715d8971..965c468d0 100644
--- a/src/plugins/xfer/xfer-buffer.h
+++ b/src/plugins/xfer/xfer-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-chat.c b/src/plugins/xfer/xfer-chat.c
index b7816a780..11aae70a5 100644
--- a/src/plugins/xfer/xfer-chat.c
+++ b/src/plugins/xfer/xfer-chat.c
@@ -1,7 +1,7 @@
 /*
  * xfer-chat.c - chat with direct connection to remote host
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-chat.h b/src/plugins/xfer/xfer-chat.h
index 377efec23..5b9a13348 100644
--- a/src/plugins/xfer/xfer-chat.h
+++ b/src/plugins/xfer/xfer-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-command.c b/src/plugins/xfer/xfer-command.c
index 01a997278..493b35103 100644
--- a/src/plugins/xfer/xfer-command.c
+++ b/src/plugins/xfer/xfer-command.c
@@ -1,7 +1,7 @@
 /*
  * xfer-command.c - xfer command
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-command.h b/src/plugins/xfer/xfer-command.h
index 2e7f7e365..705535942 100644
--- a/src/plugins/xfer/xfer-command.h
+++ b/src/plugins/xfer/xfer-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-completion.c b/src/plugins/xfer/xfer-completion.c
index e6f331d55..1d806626c 100644
--- a/src/plugins/xfer/xfer-completion.c
+++ b/src/plugins/xfer/xfer-completion.c
@@ -1,7 +1,7 @@
 /*
  * xfer-completion.c - nick completion for xfer chats
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-completion.h b/src/plugins/xfer/xfer-completion.h
index 46ed0e095..61ccb2a50 100644
--- a/src/plugins/xfer/xfer-completion.h
+++ b/src/plugins/xfer/xfer-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-config.c b/src/plugins/xfer/xfer-config.c
index 1b9212d72..09c9172d1 100644
--- a/src/plugins/xfer/xfer-config.c
+++ b/src/plugins/xfer/xfer-config.c
@@ -1,7 +1,7 @@
 /*
  * xfer-config.c - xfer configuration options (file xfer.conf)
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-config.h b/src/plugins/xfer/xfer-config.h
index b0f394037..76cc91b2e 100644
--- a/src/plugins/xfer/xfer-config.h
+++ b/src/plugins/xfer/xfer-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-dcc.c b/src/plugins/xfer/xfer-dcc.c
index a3c9e1e59..3c4a37d22 100644
--- a/src/plugins/xfer/xfer-dcc.c
+++ b/src/plugins/xfer/xfer-dcc.c
@@ -1,7 +1,7 @@
 /*
  * xfer-dcc.c - file transfer via DCC protocol
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-dcc.h b/src/plugins/xfer/xfer-dcc.h
index 46e7408c0..84eb26c80 100644
--- a/src/plugins/xfer/xfer-dcc.h
+++ b/src/plugins/xfer/xfer-dcc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-file.c b/src/plugins/xfer/xfer-file.c
index 6f69c7c23..c5df4f24e 100644
--- a/src/plugins/xfer/xfer-file.c
+++ b/src/plugins/xfer/xfer-file.c
@@ -1,7 +1,7 @@
 /*
  * xfer-file.c - file functions for xfer plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-file.h b/src/plugins/xfer/xfer-file.h
index 164945315..5d613d7a4 100644
--- a/src/plugins/xfer/xfer-file.h
+++ b/src/plugins/xfer/xfer-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-info.c b/src/plugins/xfer/xfer-info.c
index 392598d23..c7adb888b 100644
--- a/src/plugins/xfer/xfer-info.c
+++ b/src/plugins/xfer/xfer-info.c
@@ -1,7 +1,7 @@
 /*
  * xfer-info.c - info and infolist hooks for xfer plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-info.h b/src/plugins/xfer/xfer-info.h
index 45c0b01c4..537a7491a 100644
--- a/src/plugins/xfer/xfer-info.h
+++ b/src/plugins/xfer/xfer-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-network.c b/src/plugins/xfer/xfer-network.c
index a924c5101..fffb7d869 100644
--- a/src/plugins/xfer/xfer-network.c
+++ b/src/plugins/xfer/xfer-network.c
@@ -1,7 +1,7 @@
 /*
  * xfer-network.c - network functions for xfer plugin
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-network.h b/src/plugins/xfer/xfer-network.h
index 1790d3494..2f0278812 100644
--- a/src/plugins/xfer/xfer-network.h
+++ b/src/plugins/xfer/xfer-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-upgrade.c b/src/plugins/xfer/xfer-upgrade.c
index c74a8e26c..af161af40 100644
--- a/src/plugins/xfer/xfer-upgrade.c
+++ b/src/plugins/xfer/xfer-upgrade.c
@@ -1,7 +1,7 @@
 /*
  * xfer-upgrade.c - save/restore xfer plugin data when upgrading WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer-upgrade.h b/src/plugins/xfer/xfer-upgrade.h
index 0759faaf0..5380d6115 100644
--- a/src/plugins/xfer/xfer-upgrade.h
+++ b/src/plugins/xfer/xfer-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer.c b/src/plugins/xfer/xfer.c
index d10de19a8..48d91c146 100644
--- a/src/plugins/xfer/xfer.c
+++ b/src/plugins/xfer/xfer.c
@@ -1,7 +1,7 @@
 /*
  * xfer.c - file transfer and direct chat plugin for WeeChat
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/src/plugins/xfer/xfer.h b/src/plugins/xfer/xfer.h
index 86a2db898..4fa889339 100644
--- a/src/plugins/xfer/xfer.h
+++ b/src/plugins/xfer/xfer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6146b4839..dd67a92cf 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/tests/Makefile.am b/tests/Makefile.am
index eb08877af..6ae03b98a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/tests/scripts/python/testapi.py b/tests/scripts/python/testapi.py
index 60a6ea1b6..6704ff498 100644
--- a/tests/scripts/python/testapi.py
+++ b/tests/scripts/python/testapi.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/scripts/python/testapigen.py b/tests/scripts/python/testapigen.py
index 051a5b808..a6a0bf016 100755
--- a/tests/scripts/python/testapigen.py
+++ b/tests/scripts/python/testapigen.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/scripts/python/unparse.py b/tests/scripts/python/unparse.py
index cb017c678..92e9a6e5c 100755
--- a/tests/scripts/python/unparse.py
+++ b/tests/scripts/python/unparse.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/scripts/test-scripts.cpp b/tests/scripts/test-scripts.cpp
index e60f69922..d8d31c6ee 100644
--- a/tests/scripts/test-scripts.cpp
+++ b/tests/scripts/test-scripts.cpp
@@ -1,7 +1,7 @@
 /*
  * test-scripts.cpp - test scripting API
  *
- * Copyright (C) 2017-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/tests.cpp b/tests/tests.cpp
index a47437083..2dc33ee5a 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -1,7 +1,7 @@
 /*
  * tests.cpp - run WeeChat tests
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/tests.h b/tests/tests.h
index 2d04eef15..5de49a02d 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-arraylist.cpp b/tests/unit/core/test-core-arraylist.cpp
index 955202552..6c62e1edf 100644
--- a/tests/unit/core/test-core-arraylist.cpp
+++ b/tests/unit/core/test-core-arraylist.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-arraylist.cpp - test arraylist functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-calc.cpp b/tests/unit/core/test-core-calc.cpp
index 93104ffa8..0717ac1c4 100644
--- a/tests/unit/core/test-core-calc.cpp
+++ b/tests/unit/core/test-core-calc.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-calc.cpp - test calculations functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-command.cpp b/tests/unit/core/test-core-command.cpp
index d8d55acdc..0a24a0ff0 100644
--- a/tests/unit/core/test-core-command.cpp
+++ b/tests/unit/core/test-core-command.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-command.cpp - test command functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-config-file.cpp b/tests/unit/core/test-core-config-file.cpp
index 86a4c823c..0a84c2f54 100644
--- a/tests/unit/core/test-core-config-file.cpp
+++ b/tests/unit/core/test-core-config-file.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-config-file.cpp - test configuration file functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-crypto.cpp b/tests/unit/core/test-core-crypto.cpp
index 4f7833ec6..4e6894063 100644
--- a/tests/unit/core/test-core-crypto.cpp
+++ b/tests/unit/core/test-core-crypto.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-crypto.cpp - test cryptographic functions
  *
- * Copyright (C) 2020-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-dir.cpp b/tests/unit/core/test-core-dir.cpp
index 24f8115b8..fab130932 100644
--- a/tests/unit/core/test-core-dir.cpp
+++ b/tests/unit/core/test-core-dir.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-dir.cpp - test directory/file functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-eval.cpp b/tests/unit/core/test-core-eval.cpp
index c6c18e2eb..ec045bb77 100644
--- a/tests/unit/core/test-core-eval.cpp
+++ b/tests/unit/core/test-core-eval.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-eval.cpp - test evaluation functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-hashtable.cpp b/tests/unit/core/test-core-hashtable.cpp
index 5c2ab666d..28d632ee2 100644
--- a/tests/unit/core/test-core-hashtable.cpp
+++ b/tests/unit/core/test-core-hashtable.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-hashtable.cpp - test hashtable functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-hdata.cpp b/tests/unit/core/test-core-hdata.cpp
index 2bc910bc2..941582ebb 100644
--- a/tests/unit/core/test-core-hdata.cpp
+++ b/tests/unit/core/test-core-hdata.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-hdata.cpp - test hdata functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-hook.cpp b/tests/unit/core/test-core-hook.cpp
index e51dc80c0..8d812fd66 100644
--- a/tests/unit/core/test-core-hook.cpp
+++ b/tests/unit/core/test-core-hook.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-hook.cpp - test hook functions
  *
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-infolist.cpp b/tests/unit/core/test-core-infolist.cpp
index 63ee612ca..dc2eb3605 100644
--- a/tests/unit/core/test-core-infolist.cpp
+++ b/tests/unit/core/test-core-infolist.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-infolist.cpp - test infolist functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-list.cpp b/tests/unit/core/test-core-list.cpp
index 665d8bef0..f26d0b57a 100644
--- a/tests/unit/core/test-core-list.cpp
+++ b/tests/unit/core/test-core-list.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-list.cpp - test list functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-network.cpp b/tests/unit/core/test-core-network.cpp
index 719aa6f4f..788fc5ec4 100644
--- a/tests/unit/core/test-core-network.cpp
+++ b/tests/unit/core/test-core-network.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-network.cpp - test network functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-secure.cpp b/tests/unit/core/test-core-secure.cpp
index f737edbcc..6112be582 100644
--- a/tests/unit/core/test-core-secure.cpp
+++ b/tests/unit/core/test-core-secure.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-secure.cpp - test secured data functions
  *
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-signal.cpp b/tests/unit/core/test-core-signal.cpp
index 3853354cb..1b105b450 100644
--- a/tests/unit/core/test-core-signal.cpp
+++ b/tests/unit/core/test-core-signal.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-signal.cpp - test util functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-string.cpp b/tests/unit/core/test-core-string.cpp
index a06cd9ed9..350ab315a 100644
--- a/tests/unit/core/test-core-string.cpp
+++ b/tests/unit/core/test-core-string.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-string.cpp - test string functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-url.cpp b/tests/unit/core/test-core-url.cpp
index 4ede9b011..049100afb 100644
--- a/tests/unit/core/test-core-url.cpp
+++ b/tests/unit/core/test-core-url.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-url.cpp - test URL functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-utf8.cpp b/tests/unit/core/test-core-utf8.cpp
index d6eda985a..389344a55 100644
--- a/tests/unit/core/test-core-utf8.cpp
+++ b/tests/unit/core/test-core-utf8.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-utf8.cpp - test UTF-8 string functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/core/test-core-util.cpp b/tests/unit/core/test-core-util.cpp
index 7db5f0f5b..0e40fef67 100644
--- a/tests/unit/core/test-core-util.cpp
+++ b/tests/unit/core/test-core-util.cpp
@@ -1,7 +1,7 @@
 /*
  * test-core-util.cpp - test util functions
  *
- * Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-bar-item-custom.cpp b/tests/unit/gui/test-gui-bar-item-custom.cpp
index 5a60940da..4ac1a849c 100644
--- a/tests/unit/gui/test-gui-bar-item-custom.cpp
+++ b/tests/unit/gui/test-gui-bar-item-custom.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-bar-item-custom.cpp - test custom bar item functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-bar-item.cpp b/tests/unit/gui/test-gui-bar-item.cpp
index 390b1792a..ec2c09fa0 100644
--- a/tests/unit/gui/test-gui-bar-item.cpp
+++ b/tests/unit/gui/test-gui-bar-item.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-bar-item.cpp - test bar item functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-bar-window.cpp b/tests/unit/gui/test-gui-bar-window.cpp
index af489b10b..058b9a998 100644
--- a/tests/unit/gui/test-gui-bar-window.cpp
+++ b/tests/unit/gui/test-gui-bar-window.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-bar-window.cpp - test bar window functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-buffer.cpp b/tests/unit/gui/test-gui-buffer.cpp
index 1264d14c0..242a62b1b 100644
--- a/tests/unit/gui/test-gui-buffer.cpp
+++ b/tests/unit/gui/test-gui-buffer.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-buffer.cpp - test buffer functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-chat.cpp b/tests/unit/gui/test-gui-chat.cpp
index f5c8ddfaa..96c93c4ed 100644
--- a/tests/unit/gui/test-gui-chat.cpp
+++ b/tests/unit/gui/test-gui-chat.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-chat.cpp - test chat functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-color.cpp b/tests/unit/gui/test-gui-color.cpp
index 2505c2f92..af5bd71e0 100644
--- a/tests/unit/gui/test-gui-color.cpp
+++ b/tests/unit/gui/test-gui-color.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-color.cpp - test color functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-filter.cpp b/tests/unit/gui/test-gui-filter.cpp
index d0c54ad1b..188af81e2 100644
--- a/tests/unit/gui/test-gui-filter.cpp
+++ b/tests/unit/gui/test-gui-filter.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-filter.cpp - test filter functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-input.cpp b/tests/unit/gui/test-gui-input.cpp
index 2608ed937..06113f922 100644
--- a/tests/unit/gui/test-gui-input.cpp
+++ b/tests/unit/gui/test-gui-input.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-input.cpp - test input functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-line.cpp b/tests/unit/gui/test-gui-line.cpp
index 80f7b7ca7..4312cf87e 100644
--- a/tests/unit/gui/test-gui-line.cpp
+++ b/tests/unit/gui/test-gui-line.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-line.cpp - test line functions
  *
- * Copyright (C) 2018-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/gui/test-gui-nick.cpp b/tests/unit/gui/test-gui-nick.cpp
index 3f0882aaa..bb7125696 100644
--- a/tests/unit/gui/test-gui-nick.cpp
+++ b/tests/unit/gui/test-gui-nick.cpp
@@ -1,7 +1,7 @@
 /*
  * test-gui-nick.cpp - test nick functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-buffer.cpp b/tests/unit/plugins/irc/test-irc-buffer.cpp
index b0fd9472e..c62e01987 100644
--- a/tests/unit/plugins/irc/test-irc-buffer.cpp
+++ b/tests/unit/plugins/irc/test-irc-buffer.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-buffer.cpp - test IRC buffer functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-channel.cpp b/tests/unit/plugins/irc/test-irc-channel.cpp
index bc310951d..e5e73469b 100644
--- a/tests/unit/plugins/irc/test-irc-channel.cpp
+++ b/tests/unit/plugins/irc/test-irc-channel.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-channel.cpp - test IRC channel functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-color.cpp b/tests/unit/plugins/irc/test-irc-color.cpp
index 28e0a2467..3ed977364 100644
--- a/tests/unit/plugins/irc/test-irc-color.cpp
+++ b/tests/unit/plugins/irc/test-irc-color.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-color.cpp - test IRC color functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-config.cpp b/tests/unit/plugins/irc/test-irc-config.cpp
index 97c43f562..f04afda00 100644
--- a/tests/unit/plugins/irc/test-irc-config.cpp
+++ b/tests/unit/plugins/irc/test-irc-config.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-config.cpp - test IRC configuration functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-ignore.cpp b/tests/unit/plugins/irc/test-irc-ignore.cpp
index f9ce6e6f8..514fd079e 100644
--- a/tests/unit/plugins/irc/test-irc-ignore.cpp
+++ b/tests/unit/plugins/irc/test-irc-ignore.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-ignore.cpp - test IRC ignore functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-join.cpp b/tests/unit/plugins/irc/test-irc-join.cpp
index 2ab88910d..5d189e9d4 100644
--- a/tests/unit/plugins/irc/test-irc-join.cpp
+++ b/tests/unit/plugins/irc/test-irc-join.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-join.cpp - test IRC join functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-message.cpp b/tests/unit/plugins/irc/test-irc-message.cpp
index a860f2f30..bd9cea529 100644
--- a/tests/unit/plugins/irc/test-irc-message.cpp
+++ b/tests/unit/plugins/irc/test-irc-message.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-message.cpp - test IRC message functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-mode.cpp b/tests/unit/plugins/irc/test-irc-mode.cpp
index 7a4e12a4d..7bb1f7e6e 100644
--- a/tests/unit/plugins/irc/test-irc-mode.cpp
+++ b/tests/unit/plugins/irc/test-irc-mode.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-mode.cpp - test IRC mode functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-nick.cpp b/tests/unit/plugins/irc/test-irc-nick.cpp
index afc861c60..2d61cfeb0 100644
--- a/tests/unit/plugins/irc/test-irc-nick.cpp
+++ b/tests/unit/plugins/irc/test-irc-nick.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-nick.cpp - test IRC nick functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-protocol.cpp b/tests/unit/plugins/irc/test-irc-protocol.cpp
index a561332d6..f248905f2 100644
--- a/tests/unit/plugins/irc/test-irc-protocol.cpp
+++ b/tests/unit/plugins/irc/test-irc-protocol.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-protocol.cpp - test IRC protocol functions
  *
- * Copyright (C) 2019-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-sasl.cpp b/tests/unit/plugins/irc/test-irc-sasl.cpp
index aa95310c3..32ef251ea 100644
--- a/tests/unit/plugins/irc/test-irc-sasl.cpp
+++ b/tests/unit/plugins/irc/test-irc-sasl.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-sasl.cpp - test IRC SASL functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-server.cpp b/tests/unit/plugins/irc/test-irc-server.cpp
index b2094ddc1..54a4d980c 100644
--- a/tests/unit/plugins/irc/test-irc-server.cpp
+++ b/tests/unit/plugins/irc/test-irc-server.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-server.cpp - test IRC protocol functions
  *
- * Copyright (C) 2020-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/irc/test-irc-tag.cpp b/tests/unit/plugins/irc/test-irc-tag.cpp
index e982032c7..a24afc0c8 100644
--- a/tests/unit/plugins/irc/test-irc-tag.cpp
+++ b/tests/unit/plugins/irc/test-irc-tag.cpp
@@ -1,7 +1,7 @@
 /*
  * test-irc-tag.cpp - test IRC message tags functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/logger/test-logger-backlog.cpp b/tests/unit/plugins/logger/test-logger-backlog.cpp
index e81d1897f..4030b2a36 100644
--- a/tests/unit/plugins/logger/test-logger-backlog.cpp
+++ b/tests/unit/plugins/logger/test-logger-backlog.cpp
@@ -1,7 +1,7 @@
 /*
  * test-logger-backlog.cpp - test logger backlog functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/relay/test-relay-auth.cpp b/tests/unit/plugins/relay/test-relay-auth.cpp
index 4d3a1c63d..a1798548d 100644
--- a/tests/unit/plugins/relay/test-relay-auth.cpp
+++ b/tests/unit/plugins/relay/test-relay-auth.cpp
@@ -1,7 +1,7 @@
 /*
  * test-relay-auth.cpp - test client authentication functions
  *
- * Copyright (C) 2020-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/test-plugins.cpp b/tests/unit/plugins/test-plugins.cpp
index 98ec5589e..546bc1c0e 100644
--- a/tests/unit/plugins/test-plugins.cpp
+++ b/tests/unit/plugins/test-plugins.cpp
@@ -1,7 +1,7 @@
 /*
  * test-plugins.cpp - generic tests on plugins
  *
- * Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/trigger/test-trigger-config.cpp b/tests/unit/plugins/trigger/test-trigger-config.cpp
index 44a79689b..4268e7ccd 100644
--- a/tests/unit/plugins/trigger/test-trigger-config.cpp
+++ b/tests/unit/plugins/trigger/test-trigger-config.cpp
@@ -1,7 +1,7 @@
 /*
  * test-trigger-config.cpp - test trigger configuration functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/trigger/test-trigger.cpp b/tests/unit/plugins/trigger/test-trigger.cpp
index c919792f4..cb97693f7 100644
--- a/tests/unit/plugins/trigger/test-trigger.cpp
+++ b/tests/unit/plugins/trigger/test-trigger.cpp
@@ -1,7 +1,7 @@
 /*
  * test-trigger.cpp - test trigger functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/typing/test-typing-status.cpp b/tests/unit/plugins/typing/test-typing-status.cpp
index ea3911f8a..2c93be8b8 100644
--- a/tests/unit/plugins/typing/test-typing-status.cpp
+++ b/tests/unit/plugins/typing/test-typing-status.cpp
@@ -1,7 +1,7 @@
 /*
  * test-typing-status.cpp - test typing status functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/typing/test-typing.cpp b/tests/unit/plugins/typing/test-typing.cpp
index 805729858..d0770e483 100644
--- a/tests/unit/plugins/typing/test-typing.cpp
+++ b/tests/unit/plugins/typing/test-typing.cpp
@@ -1,7 +1,7 @@
 /*
  * test-typing.cpp - test typing functions
  *
- * Copyright (C) 2021-2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2021-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/xfer/test-xfer-file.cpp b/tests/unit/plugins/xfer/test-xfer-file.cpp
index 7a3c50b67..6617355b1 100644
--- a/tests/unit/plugins/xfer/test-xfer-file.cpp
+++ b/tests/unit/plugins/xfer/test-xfer-file.cpp
@@ -1,7 +1,7 @@
 /*
  * test-xfer-file.cpp - test xfer file functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/plugins/xfer/test-xfer-network.cpp b/tests/unit/plugins/xfer/test-xfer-network.cpp
index d9d3ae6f5..9f5895a9f 100644
--- a/tests/unit/plugins/xfer/test-xfer-network.cpp
+++ b/tests/unit/plugins/xfer/test-xfer-network.cpp
@@ -1,7 +1,7 @@
 /*
  * test-xfer-network.cpp - test xfer network functions
  *
- * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2022-2023 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tools/build-debian.sh b/tools/build-debian.sh
index 0cf9535e9..eb5afa799 100755
--- a/tools/build-debian.sh
+++ b/tools/build-debian.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/tools/build-test.sh b/tools/build-test.sh
index 8ff3129be..3a94f6316 100755
--- a/tools/build-test.sh
+++ b/tools/build-test.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2014-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/tools/git-version.sh b/tools/git-version.sh
index 297a773b2..a983a5dac 100755
--- a/tools/git-version.sh
+++ b/tools/git-version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/tools/makedist.sh b/tools/makedist.sh
index 4adc7d026..6369e5df2 100755
--- a/tools/makedist.sh
+++ b/tools/makedist.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/version.sh b/version.sh
index 272b8cc3d..281c29bea 100755
--- a/version.sh
+++ b/version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/weechat.cygport.in b/weechat.cygport.in
index bdaafac3e..b3753e8f3 100644
--- a/weechat.cygport.in
+++ b/weechat.cygport.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2013-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/weechat.spec b/weechat.spec
index 12dcae52e..9b1235be3 100644
--- a/weechat.spec
+++ b/weechat.spec
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2022 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2023 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #