diff --git a/CMakeLists.txt b/CMakeLists.txt
index c79cc998e..5ae0e4e9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 f9b7375f1..a963fdc2d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 d4957c64f..049f6ce54 100644
--- a/README.adoc
+++ b/README.adoc
@@ -114,7 +114,7 @@ $ ctest -V
 
 == Copyright
 
-Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
 
 This file is part of WeeChat, the extensible chat client.
 
diff --git a/autogen.sh b/autogen.sh
index 1af774aaf..70ead1547 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 9a1b7c2c0..0f03e572b 100644
--- a/cmake/FindAsciidoctor.cmake
+++ b/cmake/FindAsciidoctor.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e9a3ec246..16257edfc 100644
--- a/cmake/FindAspell.cmake
+++ b/cmake/FindAspell.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 22c015ca7..d31bfe285 100644
--- a/cmake/FindCppUTest.cmake
+++ b/cmake/FindCppUTest.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 823035e9d..ae3e00dc4 100644
--- a/cmake/FindGCRYPT.cmake
+++ b/cmake/FindGCRYPT.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 38748dc22..a26d121ff 100644
--- a/cmake/FindGettext.cmake
+++ b/cmake/FindGettext.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 64edc6f14..b860c83ed 100644
--- a/cmake/FindGnuTLS.cmake
+++ b/cmake/FindGnuTLS.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 501e86e26..436f45c2f 100644
--- a/cmake/FindGuile.cmake
+++ b/cmake/FindGuile.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2021 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 e6e5bc860..725a20662 100644
--- a/cmake/FindIconv.cmake
+++ b/cmake/FindIconv.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e6736d9cc..156361b35 100644
--- a/cmake/FindLua.cmake
+++ b/cmake/FindLua.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 bc9c972a3..7c02169df 100644
--- a/cmake/FindNcurses.cmake
+++ b/cmake/FindNcurses.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e5c941e71..901aa07b3 100644
--- a/cmake/FindPHP.cmake
+++ b/cmake/FindPHP.cmake
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2017 Adam Saponara <as@php.net>
-# Copyright (C) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2021 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 f3fe17e7a..199c0d04d 100644
--- a/cmake/FindPerl.cmake
+++ b/cmake/FindPerl.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 2f8ed41fa..8f3434a04 100644
--- a/cmake/FindPython.cmake
+++ b/cmake/FindPython.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 f0991763d..835d0508c 100644
--- a/cmake/FindRuby.cmake
+++ b/cmake/FindRuby.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 c4776f7a4..1da4ab3ae 100644
--- a/cmake/FindV8.cmake
+++ b/cmake/FindV8.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2021 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 210138e80..b4789d2c5 100644
--- a/cmake/cmake_uninstall.cmake.in
+++ b/cmake/cmake_uninstall.cmake.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/configure.ac b/configure.ac
index 6e707c4dc..97dd993cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 524628ac4..7e0adec3b 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: 2003-2020, Sébastien Helleu <flashcode@flashtux.org>
+Copyright: 2003-2021, 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 09c01358c..8fe636a31 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 80f3c64f9..b745e0bbb 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 436936576..76aeb87a2 100644
--- a/doc/cs/CMakeLists.txt
+++ b/doc/cs/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 7420f0bc7..7982e9bbf 100644
--- a/doc/cs/Makefile.am
+++ b/doc/cs/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 457a02930..162e58e3a 100644
--- a/doc/cs/includes/man.cs.adoc
+++ b/doc/cs/includes/man.cs.adoc
@@ -96,7 +96,7 @@ $HOME/.weechat/weechat.log::
 WeeChat je napsán Sébastienem Helleu a přispěvovateli (kompletní seznam je v
 souboru AUTHORS.adoc).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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 5ae996a31..74dbaa2d5 100644
--- a/doc/de/CMakeLists.txt
+++ b/doc/de/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b196fa2f0..9faf37b5a 100644
--- a/doc/de/Makefile.am
+++ b/doc/de/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b74aabcca..8d87d25b2 100644
--- a/doc/de/includes/man.de.adoc
+++ b/doc/de/includes/man.de.adoc
@@ -97,7 +97,7 @@ $HOME/.weechat/weechat.log::
 WeeChat wird programmiert von Sébastien Helleu und weiteren Beteiligten (eine vollständige Auflistung
 findet man in der AUTHORS.adoc Datei).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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 99d0dc06f..d84c5847c 100644
--- a/doc/docgen.py
+++ b/doc/docgen.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2021 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 fed2f0ad9..8020a1265 100644
--- a/doc/docinfo.html
+++ b/doc/docinfo.html
@@ -1,6 +1,6 @@
 <!--
   Custom styles for Asciidoctor
-  Copyright (C) 2016-2020 Sébastien Helleu <flashcode@flashtux.org>
+  Copyright (C) 2016-2021 Sébastien Helleu <flashcode@flashtux.org>
 -->
 <style>
 #header,#content,#footnotes,#footer {
diff --git a/doc/en/CMakeLists.txt b/doc/en/CMakeLists.txt
index a336eb813..9cbc93f3f 100644
--- a/doc/en/CMakeLists.txt
+++ b/doc/en/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 a3c3fb430..f94616f45 100644
--- a/doc/en/Makefile.am
+++ b/doc/en/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 0e1dfd6b6..1ff50e017 100644
--- a/doc/en/includes/man.en.adoc
+++ b/doc/en/includes/man.en.adoc
@@ -97,7 +97,7 @@ $HOME/.weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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 94a0b38ef..e48cd9a2f 100644
--- a/doc/en/weechat_dev.en.adoc
+++ b/doc/en/weechat_dev.en.adoc
@@ -495,7 +495,7 @@ Example in C:
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2020 Your Name <your@email.com>
+ * Copyright (C) 2021 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 4013d0b09..13a2979d6 100644
--- a/doc/es/CMakeLists.txt
+++ b/doc/es/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2021 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 36019079a..a2982cfe2 100644
--- a/doc/es/Makefile.am
+++ b/doc/es/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2021 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 68bb2a7b0..ec1f47578 100644
--- a/doc/fr/CMakeLists.txt
+++ b/doc/fr/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 d0293c6aa..24b84a780 100644
--- a/doc/fr/Makefile.am
+++ b/doc/fr/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 ed899726c..d35d07542 100644
--- a/doc/fr/includes/man.fr.adoc
+++ b/doc/fr/includes/man.fr.adoc
@@ -99,7 +99,7 @@ $HOME/.weechat/weechat.log::
 WeeChat est écrit par Sébastien Helleu et des contributeurs (la liste complète
 est dans le fichier AUTHORS.adoc).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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 f4e1e689e..081393d55 100644
--- a/doc/fr/weechat_dev.fr.adoc
+++ b/doc/fr/weechat_dev.fr.adoc
@@ -496,7 +496,7 @@ Exemple en C :
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2020 Your Name <your@email.com>
+ * Copyright (C) 2021 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 7dab96dd4..081e5d194 100644
--- a/doc/it/CMakeLists.txt
+++ b/doc/it/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 072a37d25..fe46d0566 100644
--- a/doc/it/Makefile.am
+++ b/doc/it/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 44f8f1929..ab9c8eca4 100644
--- a/doc/it/includes/man.it.adoc
+++ b/doc/it/includes/man.it.adoc
@@ -100,7 +100,7 @@ $HOME/.weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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 9f8f540d4..670b0079f 100644
--- a/doc/ja/CMakeLists.txt
+++ b/doc/ja/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 15ef91142..bbeb94029 100644
--- a/doc/ja/Makefile.am
+++ b/doc/ja/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 d165448d4..0ce223e0b 100644
--- a/doc/ja/includes/man.ja.adoc
+++ b/doc/ja/includes/man.ja.adoc
@@ -97,7 +97,7 @@ $HOME/.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) 2003-2020 {author}
+著作権 (C) 2003-2021 {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 bc8011365..19c983da4 100644
--- a/doc/ja/weechat_dev.ja.adoc
+++ b/doc/ja/weechat_dev.ja.adoc
@@ -517,7 +517,7 @@ 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) 2020 Your Name <your@email.com>
+ * Copyright (C) 2021 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 c5bd681d8..1c0586577 100644
--- a/doc/pl/CMakeLists.txt
+++ b/doc/pl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 c2df6d231..03543290b 100644
--- a/doc/pl/Makefile.am
+++ b/doc/pl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 8702a2eed..9cce69657 100644
--- a/doc/pl/includes/man.pl.adoc
+++ b/doc/pl/includes/man.pl.adoc
@@ -98,7 +98,7 @@ $HOME/.weechat/weechat.log::
 WeeChat jest tworzony przez Sébastien Helleu i społeczność (pełna lista dostępna
 jest w pliku AUTHORS.adoc).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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/ru/CMakeLists.txt b/doc/ru/CMakeLists.txt
index 01ce36072..9e64a20af 100644
--- a/doc/ru/CMakeLists.txt
+++ b/doc/ru/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 f607481eb..a81144b4b 100644
--- a/doc/ru/Makefile.am
+++ b/doc/ru/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 5803e717d..968fde569 100644
--- a/doc/ru/includes/man.ru.adoc
+++ b/doc/ru/includes/man.ru.adoc
@@ -96,7 +96,7 @@ $HOME/.weechat/weechat.log::
 WeeChat написан Sébastien Helleu и другими участниками (полный список находится
 в файле AUTHORS.adoc).
 
-Copyright (C) 2003-2020 {author}
+Copyright (C) 2003-2021 {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/icons/CMakeLists.txt b/icons/CMakeLists.txt
index 1c410caac..93c0653ce 100644
--- a/icons/CMakeLists.txt
+++ b/icons/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 903fd21a6..761b7d8a5 100644
--- a/icons/Makefile.am
+++ b/icons/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 317904309..caeeff297 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 6958ef9a5..229bf5781 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 c3837fe02..125933f0d 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 29a67fec7..9762f9e1c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 7a5f20c0d..39a5ea83f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 5424c41cc..e1547653d 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 09cd709a9..62859c00f 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 95e9c5fed..c5b8da071 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 43eddd9b4..1aed84108 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a9b3eac56..c0fd79a4f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c09362069..a10ff3676 100644
--- a/src/core/hook/wee-hook-command.h
+++ b/src/core/hook/wee-hook-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8a8827f19..c549b24fc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 91a56ffae..e6073c581 100644
--- a/src/core/hook/wee-hook-completion.h
+++ b/src/core/hook/wee-hook-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 11a80ebd6..591ff2608 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 64880a1f9..abb1a6c93 100644
--- a/src/core/hook/wee-hook-config.h
+++ b/src/core/hook/wee-hook-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 133ffa8ac..c1eeff793 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 01f7b15d2..1a209172e 100644
--- a/src/core/hook/wee-hook-connect.h
+++ b/src/core/hook/wee-hook-connect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 474cd2573..262dcacde 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1036fe1f8..455084d08 100644
--- a/src/core/hook/wee-hook-fd.h
+++ b/src/core/hook/wee-hook-fd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ab515ab03..b52fafc7f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3c961bee5..a17c88bc6 100644
--- a/src/core/hook/wee-hook-focus.h
+++ b/src/core/hook/wee-hook-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0e554498e..27f3fb6f1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 bae865bfb..c113dbcbb 100644
--- a/src/core/hook/wee-hook-hdata.h
+++ b/src/core/hook/wee-hook-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 cf4ea1784..bfec598ff 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4df584f94..2e3ebe260 100644
--- a/src/core/hook/wee-hook-hsignal.h
+++ b/src/core/hook/wee-hook-hsignal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2fb9edeaa..48f7ebdc3 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4a340f659..c1f757b27 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 766c61470..feb36db2a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0d3bb7a50..4224cc637 100644
--- a/src/core/hook/wee-hook-info.h
+++ b/src/core/hook/wee-hook-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 dc84cf9a7..c29a6f41d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 91d3a7ef5..d1717692a 100644
--- a/src/core/hook/wee-hook-infolist.h
+++ b/src/core/hook/wee-hook-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1cc33f8c2..561a70aec 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3e802aea3..9f7e30355 100644
--- a/src/core/hook/wee-hook-line.h
+++ b/src/core/hook/wee-hook-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ae1cd3d58..7f9abc550 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3f770544f..e89c115a0 100644
--- a/src/core/hook/wee-hook-modifier.h
+++ b/src/core/hook/wee-hook-modifier.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9ad3b0557..1b04cdb74 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 506b3d3b5..9582b601d 100644
--- a/src/core/hook/wee-hook-print.h
+++ b/src/core/hook/wee-hook-print.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d17a8867c..a34cdd88f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f1ed3d7f8..bc2d478f2 100644
--- a/src/core/hook/wee-hook-process.h
+++ b/src/core/hook/wee-hook-process.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 980f673bb..494877309 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f52ef97ad..09227cd9c 100644
--- a/src/core/hook/wee-hook-signal.h
+++ b/src/core/hook/wee-hook-signal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 30816465f..a29bf52d4 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e4f745788..ae200dc33 100644
--- a/src/core/hook/wee-hook-timer.h
+++ b/src/core/hook/wee-hook-timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0158bac18..cef16cd07 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 d8059eb69..faf24ed9d 100644
--- a/src/core/wee-arraylist.h
+++ b/src/core/wee-arraylist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 1d9b68ced..bec3c61cc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0a3b771e9..9439f1724 100644
--- a/src/core/wee-backtrace.h
+++ b/src/core/wee-backtrace.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 29c6c9ece..21af297f9 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 b763e7e82..cab326ab9 100644
--- a/src/core/wee-calc.h
+++ b/src/core/wee-calc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 7feef67b5..3ecfde85f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4094b034c..4d2214d14 100644
--- a/src/core/wee-command.h
+++ b/src/core/wee-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 caa5fae50..6d90d3f55 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 964246071..e4a1a37f2 100644
--- a/src/core/wee-completion.h
+++ b/src/core/wee-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 70a310a41..ca6b59768 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6c13a369d..16d0897bb 100644
--- a/src/core/wee-config-file.h
+++ b/src/core/wee-config-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8f2c6da1e..8c32f0008 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f6ff03ad4..0467cacc4 100644
--- a/src/core/wee-config.h
+++ b/src/core/wee-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 69ce0ba25..89a348fab 100644
--- a/src/core/wee-crypto.c
+++ b/src/core/wee-crypto.c
@@ -1,7 +1,7 @@
 /*
  * wee-crypto.c - cryptographic functions
  *
- * Copyright (C) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 6c9f6d876..efea48b00 100644
--- a/src/core/wee-crypto.h
+++ b/src/core/wee-crypto.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 79d7e682e..73525201e 100644
--- a/src/core/wee-debug.c
+++ b/src/core/wee-debug.c
@@ -1,7 +1,7 @@
 /*
  * wee-debug.c - debug functions
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 08560a85d..b83803eef 100644
--- a/src/core/wee-debug.h
+++ b/src/core/wee-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 82cff25bf..ebe95131f 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) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2021 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 c76f8f2da..0fd329717 100644
--- a/src/core/wee-eval.h
+++ b/src/core/wee-eval.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2021 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 3f3655a79..0d6ed2602 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) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 607a3442d..860a7f8da 100644
--- a/src/core/wee-hashtable.h
+++ b/src/core/wee-hashtable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 8d9376cd8..3551895df 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 e368b2023..5f4c3789f 100644
--- a/src/core/wee-hdata.h
+++ b/src/core/wee-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 39bb4c4d7..12f713ce1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 18b7d5472..7d6758fec 100644
--- a/src/core/wee-hook.h
+++ b/src/core/wee-hook.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7b35dfb79..ad686f663 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e4e130268..92088a760 100644
--- a/src/core/wee-infolist.h
+++ b/src/core/wee-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9e5760220..78a482d4a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 323d6360a..5158f196d 100644
--- a/src/core/wee-input.h
+++ b/src/core/wee-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 abe7f9d03..bb2910416 100644
--- a/src/core/wee-list.c
+++ b/src/core/wee-list.c
@@ -1,7 +1,7 @@
 /*
  * wee-list.c - sorted lists
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f556584a3..1759751e4 100644
--- a/src/core/wee-list.h
+++ b/src/core/wee-list.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a708b4bd2..7ef81a16a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8e6237296..9a0e37497 100644
--- a/src/core/wee-log.h
+++ b/src/core/wee-log.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 16a7668a4..eba23c909 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -1,7 +1,7 @@
 /*
  * wee-network.c - network functions
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5c7fbcf58..d6c2e13fa 100644
--- a/src/core/wee-network.h
+++ b/src/core/wee-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 71f3b3ee5..1fc9d7679 100644
--- a/src/core/wee-proxy.c
+++ b/src/core/wee-proxy.c
@@ -1,7 +1,7 @@
 /*
  * wee-proxy.c - proxy functions
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 463626994..f187aacba 100644
--- a/src/core/wee-proxy.h
+++ b/src/core/wee-proxy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c3a1f1a4b..d3d972f9b 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 daedf915b..f4d873857 100644
--- a/src/core/wee-secure-buffer.h
+++ b/src/core/wee-secure-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 a1ae597d2..a81daf844 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 e9e5cfb29..b8ac8f330 100644
--- a/src/core/wee-secure-config.h
+++ b/src/core/wee-secure-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 ce700986f..33b3ce010 100644
--- a/src/core/wee-secure.c
+++ b/src/core/wee-secure.c
@@ -1,7 +1,7 @@
 /*
  * wee-secure.c - secured data
  *
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 41a142d2d..eec83532e 100644
--- a/src/core/wee-secure.h
+++ b/src/core/wee-secure.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 3dc565d5f..321cea877 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -1,7 +1,7 @@
 /*
  * wee-string.c - string functions
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c54513535..b528b70db 100644
--- a/src/core/wee-string.h
+++ b/src/core/wee-string.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 71061334e..491648a0a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 932140b58..f0fec2d57 100644
--- a/src/core/wee-upgrade-file.h
+++ b/src/core/wee-upgrade-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e4226233f..26a6037ff 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0ddd85dba..370cdca7a 100644
--- a/src/core/wee-upgrade.h
+++ b/src/core/wee-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9db97eaa0..02ebb025d 100644
--- a/src/core/wee-url.c
+++ b/src/core/wee-url.c
@@ -1,7 +1,7 @@
 /*
  * wee-url.c - URL transfer
  *
- * Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2021 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 a0213ad97..802c1f87f 100644
--- a/src/core/wee-url.h
+++ b/src/core/wee-url.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2021 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 5f6311c46..b3eb61487 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2e20996ea..8b6e266e8 100644
--- a/src/core/wee-utf8.h
+++ b/src/core/wee-utf8.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f64d5548c..f04a7cbfa 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 49b481809..e64aebbed 100644
--- a/src/core/wee-util.h
+++ b/src/core/wee-util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1b0cbaeb3..50d266a78 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 723aa3f7b..f5914af9b 100644
--- a/src/core/wee-version.h
+++ b/src/core/wee-version.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 fd636979c..4f18c90be 100644
--- a/src/core/weechat.c
+++ b/src/core/weechat.c
@@ -17,7 +17,7 @@
  *
  * weechat.c - WeeChat main functions
  *
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4e97334d2..c7eb4ba68 100644
--- a/src/core/weechat.h
+++ b/src/core/weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -53,7 +53,7 @@
 #endif /* !defined(_) */
 
 
-#define WEECHAT_COPYRIGHT_DATE   "(C) 2003-2020"
+#define WEECHAT_COPYRIGHT_DATE   "(C) 2003-2021"
 #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 e3477e476..7c556d487 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b15ece7cb..71ed4daca 100644
--- a/src/gui/Makefile.am
+++ b/src/gui/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 3997db8ac..00f048e9a 100644
--- a/src/gui/curses/CMakeLists.txt
+++ b/src/gui/curses/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e1ee2202d..971f196a3 100644
--- a/src/gui/curses/Makefile.am
+++ b/src/gui/curses/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 7d8eb69a1..d604d388e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5285529f9..0db5eec90 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 61b423805..9a3ccf4cc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ecfb1b15d..16ebdf91b 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c02a43874..15c95b8eb 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 22e25b62d..ec4abc45c 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 63e4e56e6..3e7d3fb5a 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 adfd174b9..58f4ba241 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 df9700ee2..a1607d8b8 100644
--- a/src/gui/curses/gui-curses.h
+++ b/src/gui/curses/gui-curses.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 074c8dd2f..d9d590965 100644
--- a/src/gui/curses/headless/CMakeLists.txt
+++ b/src/gui/curses/headless/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b4f513b3b..ff8ad3263 100644
--- a/src/gui/curses/headless/Makefile.am
+++ b/src/gui/curses/headless/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b6dd49e54..f95da4f2f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8666e7382..e095bedd8 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 5435bfa40..aa2787239 100644
--- a/src/gui/curses/headless/ncurses-fake.h
+++ b/src/gui/curses/headless/ncurses-fake.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 12cbe08fc..550747702 100644
--- a/src/gui/curses/normal/CMakeLists.txt
+++ b/src/gui/curses/normal/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 45527290e..c0ba8897d 100644
--- a/src/gui/curses/normal/Makefile.am
+++ b/src/gui/curses/normal/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 4b2947708..4939ed9a4 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2efa2c868..dc70639db 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 fae7b439b..d7529739e 100644
--- a/src/gui/gui-bar-item.h
+++ b/src/gui/gui-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0a46661f9..ab97bf919 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7b7880174..4d00af587 100644
--- a/src/gui/gui-bar-window.h
+++ b/src/gui/gui-bar-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f683ecc16..83e78bb3b 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5f42ca2d4..a87549323 100644
--- a/src/gui/gui-bar.h
+++ b/src/gui/gui-bar.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e3fe97c01..a4216d072 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5231392d8..8da63d62a 100644
--- a/src/gui/gui-buffer.h
+++ b/src/gui/gui-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 36a7b9013..d3681c060 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ef844fc0a..68df1f792 100644
--- a/src/gui/gui-chat.h
+++ b/src/gui/gui-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6aae528c3..aee0d8199 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b2b68a726..e8410a2c4 100644
--- a/src/gui/gui-color.h
+++ b/src/gui/gui-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6d02fba43..bf091fdd6 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 193cbff5e..f7a9b9a65 100644
--- a/src/gui/gui-completion.h
+++ b/src/gui/gui-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0e87933ef..fb42e6f98 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 c2a420656..f00e645f2 100644
--- a/src/gui/gui-cursor.h
+++ b/src/gui/gui-cursor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 ed9c7b0c1..d09bbb22f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1a93ef903..a329ba643 100644
--- a/src/gui/gui-filter.h
+++ b/src/gui/gui-filter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 cd8cd94a9..44305b0d3 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 39dc3b2c6..94da5399b 100644
--- a/src/gui/gui-focus.h
+++ b/src/gui/gui-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 1d0ebdd0f..9df25b123 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a6e6dd33f..3e271ede2 100644
--- a/src/gui/gui-history.h
+++ b/src/gui/gui-history.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9658af210..87eb46cd1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7c92e3dd3..66e343d3a 100644
--- a/src/gui/gui-hotlist.h
+++ b/src/gui/gui-hotlist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1614266ad..97456275e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3b67f607f..070bb98cc 100644
--- a/src/gui/gui-input.h
+++ b/src/gui/gui-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 73fb3f42f..723f15cff 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a263e3dd9..558fac0ff 100644
--- a/src/gui/gui-key.h
+++ b/src/gui/gui-key.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ca303878a..9fe51fb2a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c9fee9be8..48acd170e 100644
--- a/src/gui/gui-layout.h
+++ b/src/gui/gui-layout.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f10904857..a30e574bc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7dd362b69..ab01233e0 100644
--- a/src/gui/gui-line.h
+++ b/src/gui/gui-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e9bdcfd25..93e9bc66e 100644
--- a/src/gui/gui-main.h
+++ b/src/gui/gui-main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 228430e97..953e59df0 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 45a17f51e..8e316cd5d 100644
--- a/src/gui/gui-mouse.h
+++ b/src/gui/gui-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 bcf26b119..26696ebc3 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ff8bb6a29..35c8d6030 100644
--- a/src/gui/gui-nick.h
+++ b/src/gui/gui-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9b6c03da1..6010789d4 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b3a33bf0e..a1255774e 100644
--- a/src/gui/gui-nicklist.h
+++ b/src/gui/gui-nicklist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0c7e81dcc..5083d415f 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4675ec49a..7a5361d03 100644
--- a/src/gui/gui-window.h
+++ b/src/gui/gui-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f4ca1acf9..eec98270c 100644
--- a/src/plugins/CMakeLists.txt
+++ b/src/plugins/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 ba7c4631d..be916ba28 100644
--- a/src/plugins/Makefile.am
+++ b/src/plugins/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 459db6a25..0fb8f2d27 100644
--- a/src/plugins/alias/CMakeLists.txt
+++ b/src/plugins/alias/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 1c26b3a25..8ddad0d4c 100644
--- a/src/plugins/alias/Makefile.am
+++ b/src/plugins/alias/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 14e2c93e9..8c0493d31 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5812cb805..c484817be 100644
--- a/src/plugins/alias/alias-command.h
+++ b/src/plugins/alias/alias-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 32dfffcd7..e67ad128c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a90afd3cd..44106bf42 100644
--- a/src/plugins/alias/alias-completion.h
+++ b/src/plugins/alias/alias-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 bef48b71b..37ddd0208 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f0faba289..28867f2dc 100644
--- a/src/plugins/alias/alias-config.h
+++ b/src/plugins/alias/alias-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0a5abdc1b..80fa2ecd6 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4d7485da8..d0c8016f0 100644
--- a/src/plugins/alias/alias-info.h
+++ b/src/plugins/alias/alias-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d0858f8ca..c418c5d42 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3e148e9e1..f03b10116 100644
--- a/src/plugins/alias/alias.h
+++ b/src/plugins/alias/alias.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a63f78669..557f9358e 100644
--- a/src/plugins/buflist/CMakeLists.txt
+++ b/src/plugins/buflist/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 5b9cc220b..2d7c1c5c2 100644
--- a/src/plugins/buflist/Makefile.am
+++ b/src/plugins/buflist/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 01efdda8a..89b774d19 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 bef68b6f8..5a6a97e57 100644
--- a/src/plugins/buflist/buflist-bar-item.h
+++ b/src/plugins/buflist/buflist-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3c83fff75..51ed01d37 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8a259d368..9cc49f667 100644
--- a/src/plugins/buflist/buflist-command.h
+++ b/src/plugins/buflist/buflist-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5c60f2f44..f187bcfbb 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 848af87aa..a2d68bc8b 100644
--- a/src/plugins/buflist/buflist-config.h
+++ b/src/plugins/buflist/buflist-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0088ae95d..261bad3db 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 8456d551a..c33eff059 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d4244c7c0..269c152b2 100644
--- a/src/plugins/buflist/buflist-mouse.h
+++ b/src/plugins/buflist/buflist-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 93c910250..6fe641251 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f13637de5..e67f3c923 100644
--- a/src/plugins/buflist/buflist.h
+++ b/src/plugins/buflist/buflist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5b46f16b2..cca0a3b43 100644
--- a/src/plugins/charset/CMakeLists.txt
+++ b/src/plugins/charset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 622d12687..3efb21cda 100644
--- a/src/plugins/charset/Makefile.am
+++ b/src/plugins/charset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e9fb3a1ec..90f1e8f9c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d80b72525..795f470e0 100644
--- a/src/plugins/exec/CMakeLists.txt
+++ b/src/plugins/exec/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 b0c83f1d3..4117a2b89 100644
--- a/src/plugins/exec/Makefile.am
+++ b/src/plugins/exec/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 674732632..04ca38485 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 d47e114c8..61e67b3ed 100644
--- a/src/plugins/exec/exec-buffer.h
+++ b/src/plugins/exec/exec-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 e917ee70b..39b77c9e6 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 d1333d5f6..cb221877e 100644
--- a/src/plugins/exec/exec-command.h
+++ b/src/plugins/exec/exec-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 63b070cf5..7c3b9eca5 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 6a3372801..ff88ccbbd 100644
--- a/src/plugins/exec/exec-completion.h
+++ b/src/plugins/exec/exec-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 5a817d31b..29ab15fec 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 e6781611c..ea94ad4b6 100644
--- a/src/plugins/exec/exec-config.h
+++ b/src/plugins/exec/exec-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 7a0da49f5..04a59bcd4 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 14edae3f0..62ce69609 100644
--- a/src/plugins/exec/exec.h
+++ b/src/plugins/exec/exec.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 6ae089a2c..d7ab7cd6f 100644
--- a/src/plugins/fifo/CMakeLists.txt
+++ b/src/plugins/fifo/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 bcb8910bc..25062eab4 100644
--- a/src/plugins/fifo/Makefile.am
+++ b/src/plugins/fifo/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 1431c8bb6..3995fe379 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 30d972464..ea0d6d2df 100644
--- a/src/plugins/fifo/fifo-command.h
+++ b/src/plugins/fifo/fifo-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f141d1202..b97f84acf 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f9af1a6eb..566a9dd30 100644
--- a/src/plugins/fifo/fifo-config.h
+++ b/src/plugins/fifo/fifo-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 818850312..dcbf7ab5a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f0f317b5c..15df29619 100644
--- a/src/plugins/fifo/fifo-info.h
+++ b/src/plugins/fifo/fifo-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5dbfc506e..a266f7f69 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9d0096346..6ca92b468 100644
--- a/src/plugins/fifo/fifo.h
+++ b/src/plugins/fifo/fifo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 bef2871ba..f07d4d7f4 100644
--- a/src/plugins/fset/CMakeLists.txt
+++ b/src/plugins/fset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 f7a26f98a..ef0c06eb8 100644
--- a/src/plugins/fset/Makefile.am
+++ b/src/plugins/fset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 60d04c1a1..d4aa2312e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 42c0b7c2d..820ff72a2 100644
--- a/src/plugins/fset/fset-bar-item.h
+++ b/src/plugins/fset/fset-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e09f8da8b..b81548fea 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 eaee367af..d39a08c1e 100644
--- a/src/plugins/fset/fset-buffer.h
+++ b/src/plugins/fset/fset-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e465d0ad4..edc22cdb8 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ad33616cb..330582d3b 100644
--- a/src/plugins/fset/fset-command.h
+++ b/src/plugins/fset/fset-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 265648afc..50326faa4 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 270ed7840..f9ec5f865 100644
--- a/src/plugins/fset/fset-completion.h
+++ b/src/plugins/fset/fset-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 56dcd1799..6d8506278 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3149ebc12..d4314cfde 100644
--- a/src/plugins/fset/fset-config.h
+++ b/src/plugins/fset/fset-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 94a14f539..99d5c5791 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 fb7aad453..1dabcfd75 100644
--- a/src/plugins/fset/fset-info.h
+++ b/src/plugins/fset/fset-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c30abdee1..f9f81b6c6 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0da0cbf80..2f3bd5e7a 100644
--- a/src/plugins/fset/fset-mouse.h
+++ b/src/plugins/fset/fset-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0325b12a4..62342461c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7b4d41794..180a28071 100644
--- a/src/plugins/fset/fset-option.h
+++ b/src/plugins/fset/fset-option.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 478fdcb4b..8998ab841 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b79c3f9a7..92a5f5cce 100644
--- a/src/plugins/fset/fset.h
+++ b/src/plugins/fset/fset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5351594bf..5e65840f3 100644
--- a/src/plugins/guile/CMakeLists.txt
+++ b/src/plugins/guile/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2021 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 8a30fe0df..c28335372 100644
--- a/src/plugins/guile/Makefile.am
+++ b/src/plugins/guile/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2021 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 09b514b83..214f5cc2c 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 161adbbad..c7d8d2032 100644
--- a/src/plugins/guile/weechat-guile-api.h
+++ b/src/plugins/guile/weechat-guile-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 e1a6484c7..b61893cbe 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) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 72e92f276..00052f506 100644
--- a/src/plugins/guile/weechat-guile.h
+++ b/src/plugins/guile/weechat-guile.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2021 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 ed572b6bf..da5647691 100644
--- a/src/plugins/irc/CMakeLists.txt
+++ b/src/plugins/irc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 5716c9d03..b12570f8a 100644
--- a/src/plugins/irc/Makefile.am
+++ b/src/plugins/irc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 6240ce92c..4dd7ea8d5 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9121e749c..f6be5da54 100644
--- a/src/plugins/irc/irc-bar-item.h
+++ b/src/plugins/irc/irc-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ad470c7ed..3394b96df 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d9ad7b000..e5e7fdad4 100644
--- a/src/plugins/irc/irc-buffer.h
+++ b/src/plugins/irc/irc-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 98d407ba4..c2bfa4e0c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 64f05f1f0..101703c24 100644
--- a/src/plugins/irc/irc-channel.h
+++ b/src/plugins/irc/irc-channel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c7b4019df..b7f42c01e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 503a77128..0b4f62597 100644
--- a/src/plugins/irc/irc-color.h
+++ b/src/plugins/irc/irc-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 44a799575..89901e839 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 216136ebc..69d1b3f30 100644
--- a/src/plugins/irc/irc-command.h
+++ b/src/plugins/irc/irc-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9efcb7d70..0d8653dc1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0fc15a4ad..5c2e794d4 100644
--- a/src/plugins/irc/irc-completion.h
+++ b/src/plugins/irc/irc-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5fa03e326..9e4570534 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e595230b3..b0d6a849f 100644
--- a/src/plugins/irc/irc-config.h
+++ b/src/plugins/irc/irc-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7fa4d9d43..645c67443 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a0b774385..6b5ba65df 100644
--- a/src/plugins/irc/irc-ctcp.h
+++ b/src/plugins/irc/irc-ctcp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 edbbaf817..60b464efc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7a61572b6..158eb72be 100644
--- a/src/plugins/irc/irc-debug.h
+++ b/src/plugins/irc/irc-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5d15b8ce3..bb6410053 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 427f2c229..0ccb44c3e 100644
--- a/src/plugins/irc/irc-ignore.h
+++ b/src/plugins/irc/irc-ignore.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 12519a1d6..b0315034e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 43a5b8abd..dda86badc 100644
--- a/src/plugins/irc/irc-info.h
+++ b/src/plugins/irc/irc-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6f8ccdc38..e30b05ac2 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 396479849..ec453c870 100644
--- a/src/plugins/irc/irc-input.h
+++ b/src/plugins/irc/irc-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 cb07a8e2b..5c27b40dd 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ee54a2072..69b75778d 100644
--- a/src/plugins/irc/irc-message.h
+++ b/src/plugins/irc/irc-message.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 84abfe324..a1dc36a5e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9795f286e..d3cf33853 100644
--- a/src/plugins/irc/irc-mode.h
+++ b/src/plugins/irc/irc-mode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9f3b45650..72a59fff8 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) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 248961236..2a1ca8c6f 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) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 c7f976372..7d2ec6d65 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e562ebaf3..412cf57f0 100644
--- a/src/plugins/irc/irc-msgbuffer.h
+++ b/src/plugins/irc/irc-msgbuffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 29ad77d74..38993e0c9 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a861b005a..8d86c7ca2 100644
--- a/src/plugins/irc/irc-nick.h
+++ b/src/plugins/irc/irc-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1d6976c05..53695f173 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) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 8f3c94034..f2dc878df 100644
--- a/src/plugins/irc/irc-notify.h
+++ b/src/plugins/irc/irc-notify.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 8a6b3ac0b..9713a6a49 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5b8702559..950a785f7 100644
--- a/src/plugins/irc/irc-protocol.h
+++ b/src/plugins/irc/irc-protocol.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ad3ab0e44..c81a0814c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1be86a3e3..16ed91f6e 100644
--- a/src/plugins/irc/irc-raw.h
+++ b/src/plugins/irc/irc-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2a3c8f144..afa905c20 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) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 2a30c93f8..2270fc882 100644
--- a/src/plugins/irc/irc-redirect.h
+++ b/src/plugins/irc/irc-redirect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2021 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 4ad8a6991..ee864d6e4 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 252136372..bf75afd1a 100644
--- a/src/plugins/irc/irc-sasl.h
+++ b/src/plugins/irc/irc-sasl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 4e0dbe6c4..955e56db5 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8cac02a1f..4583721f1 100644
--- a/src/plugins/irc/irc-server.h
+++ b/src/plugins/irc/irc-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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-upgrade.c b/src/plugins/irc/irc-upgrade.c
index 1bba5fe26..1f90e36c1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 448e8fa95..3e8884624 100644
--- a/src/plugins/irc/irc-upgrade.h
+++ b/src/plugins/irc/irc-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9571cfee7..e1043aa29 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 455c223fb..c35b95832 100644
--- a/src/plugins/irc/irc.h
+++ b/src/plugins/irc/irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 47c1f6c70..78cc14b02 100644
--- a/src/plugins/javascript/CMakeLists.txt
+++ b/src/plugins/javascript/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2021 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 9ee55d105..52005cab7 100644
--- a/src/plugins/javascript/Makefile.am
+++ b/src/plugins/javascript/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2021 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 8938ab0da..f4f973a1f 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 4fba8438e..32d4e8c2b 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 d081e5fbd..c78200973 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 ce33d1e1e..073c450e0 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 f86535880..5dec4f171 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 c10274588..0f2e8878c 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) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2021 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 52332b1b7..6df04c8d9 100644
--- a/src/plugins/logger/CMakeLists.txt
+++ b/src/plugins/logger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 8ce1076a3..6bab6b5f8 100644
--- a/src/plugins/logger/Makefile.am
+++ b/src/plugins/logger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 ec593b19a..2954ca2fc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5ee293cf6..bb94488c4 100644
--- a/src/plugins/logger/logger-backlog.h
+++ b/src/plugins/logger/logger-backlog.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f3b0b9c08..080eb17f7 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 98524e04a..48c50ca4c 100644
--- a/src/plugins/logger/logger-buffer.h
+++ b/src/plugins/logger/logger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d9b98fc6c..72738a65d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f23d5200b..6bb1c97ff 100644
--- a/src/plugins/logger/logger-command.h
+++ b/src/plugins/logger/logger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 113035182..ff9b83021 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f66726977..79b8e3e1a 100644
--- a/src/plugins/logger/logger-config.h
+++ b/src/plugins/logger/logger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2f36ad508..3d204d8d0 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8d84231b3..597556e8b 100644
--- a/src/plugins/logger/logger-info.h
+++ b/src/plugins/logger/logger-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ea9c56f4c..ef4730851 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c986faca0..099c68955 100644
--- a/src/plugins/logger/logger-tail.h
+++ b/src/plugins/logger/logger-tail.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2a45f1365..16f81b7b0 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 75f563127..ebf72c54f 100644
--- a/src/plugins/logger/logger.h
+++ b/src/plugins/logger/logger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5738e6daa..79e40d68f 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2021 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 463de99cc..cae3875bd 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2021 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 72cbd6267..1f3846735 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 899871a31..edb3e7665 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 30c042ac8..457c563e3 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 f58481fdb..d79babfb3 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 66675cce5..080c7806b 100644
--- a/src/plugins/perl/CMakeLists.txt
+++ b/src/plugins/perl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 130a37e34..a4662cddf 100644
--- a/src/plugins/perl/Makefile.am
+++ b/src/plugins/perl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 62e1823a4..e47ea9010 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b61e5f396..f8d19b400 100644
--- a/src/plugins/perl/weechat-perl-api.h
+++ b/src/plugins/perl/weechat-perl-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 996a51398..bf79a7b6c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 46626bb9a..cd4623cb6 100644
--- a/src/plugins/perl/weechat-perl.h
+++ b/src/plugins/perl/weechat-perl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8d5e4bc34..5e3bcaaa3 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) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2021 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 65ce9d356..e5a83ff97 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) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2021 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 ace023828..484573c9d 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) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2021 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 238ff0490..8067bb1f9 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) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2021 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 21b373c42..3d8c75aad 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d9f57d2aa..a3dc48480 100644
--- a/src/plugins/plugin-api-info.h
+++ b/src/plugins/plugin-api-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 07094944c..b22e0be69 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d20ecd412..b8d377017 100644
--- a/src/plugins/plugin-api.h
+++ b/src/plugins/plugin-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 f2848dd47..2ee86a827 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 dd00591a3..a36a2781e 100644
--- a/src/plugins/plugin-config.h
+++ b/src/plugins/plugin-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 592f86aa3..744f86234 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8e7121ecb..78cf6bac8 100644
--- a/src/plugins/plugin-script-api.h
+++ b/src/plugins/plugin-script-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 655be94f9..efd60b794 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7184a26a0..fbc59f2c2 100644
--- a/src/plugins/plugin-script-config.h
+++ b/src/plugins/plugin-script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 dbf1da5fd..d643e4df8 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 8ed0b3376..87bcd0283 100644
--- a/src/plugins/plugin-script.h
+++ b/src/plugins/plugin-script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2bacc7057..ee5539da8 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 02fbc17ed..1e83d34d9 100644
--- a/src/plugins/plugin.h
+++ b/src/plugins/plugin.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9e479c487..2062bcb48 100644
--- a/src/plugins/python/CMakeLists.txt
+++ b/src/plugins/python/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 94165dcd8..e24c4b107 100644
--- a/src/plugins/python/Makefile.am
+++ b/src/plugins/python/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 b55efe7f7..c2e204fbb 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 77b3465a5..8174a14aa 100644
--- a/src/plugins/python/weechat-python-api.h
+++ b/src/plugins/python/weechat-python-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d9731784d..e85397f06 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 51582c703..6a3a5d36e 100644
--- a/src/plugins/python/weechat-python.h
+++ b/src/plugins/python/weechat-python.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 933f3abc7..451a54030 100644
--- a/src/plugins/relay/CMakeLists.txt
+++ b/src/plugins/relay/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 148559dba..1fcee124f 100644
--- a/src/plugins/relay/Makefile.am
+++ b/src/plugins/relay/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 81f493c78..8f8868922 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 095fc6691..fcda998bb 100644
--- a/src/plugins/relay/irc/relay-irc.h
+++ b/src/plugins/relay/irc/relay-irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 047bc2c24..05dde1630 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 171453091..69ee7f25a 100644
--- a/src/plugins/relay/relay-auth.h
+++ b/src/plugins/relay/relay-auth.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b2c49147c..35239848e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3fd812227..2772bbbd3 100644
--- a/src/plugins/relay/relay-buffer.h
+++ b/src/plugins/relay/relay-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 552e1e116..aac580f91 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 116aa477b..27389e456 100644
--- a/src/plugins/relay/relay-client.h
+++ b/src/plugins/relay/relay-client.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ba3d05f70..794464f17 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1666c7297..1069bbf47 100644
--- a/src/plugins/relay/relay-command.h
+++ b/src/plugins/relay/relay-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 bb17c4a1a..e539b81c0 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e98d05c16..0b317ff01 100644
--- a/src/plugins/relay/relay-completion.h
+++ b/src/plugins/relay/relay-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 dd89650d0..1c92c45da 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e6c4327f4..d5b9c9372 100644
--- a/src/plugins/relay/relay-config.h
+++ b/src/plugins/relay/relay-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6f00849db..8db4903fc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 1ba0c6da5..927a95aa6 100644
--- a/src/plugins/relay/relay-info.h
+++ b/src/plugins/relay/relay-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 bb2fee165..4fc161261 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 02637d10c..a60e64c95 100644
--- a/src/plugins/relay/relay-network.h
+++ b/src/plugins/relay/relay-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7408626b3..358baef9e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 95e31bb74..ac23669dc 100644
--- a/src/plugins/relay/relay-raw.h
+++ b/src/plugins/relay/relay-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0344192b6..8c9b74fde 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3fa47bd55..c2ae0eec1 100644
--- a/src/plugins/relay/relay-server.h
+++ b/src/plugins/relay/relay-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e73d1c64c..6c422a3b6 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 eeebebed7..98da4bbcb 100644
--- a/src/plugins/relay/relay-upgrade.h
+++ b/src/plugins/relay/relay-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e3b768d0a..c5a7df324 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 cb8f5de1a..e573b1ff6 100644
--- a/src/plugins/relay/relay-websocket.h
+++ b/src/plugins/relay/relay-websocket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 54ed88d58..9e1379c1c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 de24f4850..9a817e1e8 100644
--- a/src/plugins/relay/relay.h
+++ b/src/plugins/relay/relay.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 33efd575a..7703604d1 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 98052f1d1..cde9ab2dc 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 cfbe74d22..8fa18e860 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ff52f93ff..39d70ccde 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ae2e4ab0c..4db58a366 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7a36b5ff9..fb1fb2b11 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 186b1616c..c12bf1cf2 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2bb875d1b..c8339398b 100644
--- a/src/plugins/relay/weechat/relay-weechat.h
+++ b/src/plugins/relay/weechat/relay-weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9520697e4..957dd93c6 100644
--- a/src/plugins/ruby/CMakeLists.txt
+++ b/src/plugins/ruby/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 7111e6a66..a990cfefd 100644
--- a/src/plugins/ruby/Makefile.am
+++ b/src/plugins/ruby/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 e993af323..dfd67d7f8 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 510a4649a..b549da245 100644
--- a/src/plugins/ruby/weechat-ruby-api.h
+++ b/src/plugins/ruby/weechat-ruby-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 160361063..56fbff37d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e19844eac..3144e9370 100644
--- a/src/plugins/ruby/weechat-ruby.h
+++ b/src/plugins/ruby/weechat-ruby.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9ece566bb..02d832e61 100644
--- a/src/plugins/script/CMakeLists.txt
+++ b/src/plugins/script/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 5fccb6609..11140d29d 100644
--- a/src/plugins/script/Makefile.am
+++ b/src/plugins/script/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 05c86f299..6f4f4b8e9 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2077d2edd..fa2ce8bcc 100644
--- a/src/plugins/script/script-action.h
+++ b/src/plugins/script/script-action.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5dabd24b3..235801530 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 efb58b040..10ac4705e 100644
--- a/src/plugins/script/script-buffer.h
+++ b/src/plugins/script/script-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ed067b3b6..a7d1a6c21 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 03ea83a48..190fc7aeb 100644
--- a/src/plugins/script/script-command.h
+++ b/src/plugins/script/script-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3d23dd2ed..5ec3199e9 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 3a7179da4..d0abc4bc4 100644
--- a/src/plugins/script/script-completion.h
+++ b/src/plugins/script/script-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ea5f0276c..79a30ef7a 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6c6281ecb..54becf68a 100644
--- a/src/plugins/script/script-config.h
+++ b/src/plugins/script/script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 deabce0e6..76a8c1c54 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 655491757..8ac32ba8f 100644
--- a/src/plugins/script/script-info.h
+++ b/src/plugins/script/script-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5fcae1644..08b43eb79 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 43a70b838..f56cdeebf 100644
--- a/src/plugins/script/script-mouse.h
+++ b/src/plugins/script/script-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 692cff27b..3627ad2b9 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5630be93b..57701d3e2 100644
--- a/src/plugins/script/script-repo.h
+++ b/src/plugins/script/script-repo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9fc9a1f21..b8fe7319d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e9c6b44a9..c84e74d47 100644
--- a/src/plugins/script/script.h
+++ b/src/plugins/script/script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 118de3117..e9ff03105 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2021 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 094dd8b7b..5341d30fb 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2021 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 473e957ba..eead3d4f2 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) 2012-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2021 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 e1f673f0e..4301fe953 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 c630b9d64..9eb47255e 100644
--- a/src/plugins/spell/spell-command.h
+++ b/src/plugins/spell/spell-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 a2d0c9dcd..7d2880bc7 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 90e7359fb..fc437bd49 100644
--- a/src/plugins/spell/spell-completion.h
+++ b/src/plugins/spell/spell-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 a15dd92e3..165baabee 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 8ea2d8959..bf7ef45c5 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 29998edc9..864702493 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) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 c39fd6c1e..be1a795a9 100644
--- a/src/plugins/spell/spell-info.h
+++ b/src/plugins/spell/spell-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2021 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 aab4bcac2..ca55bf683 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 d92e3ada7..7e6d8a024 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 868e3f12c..e47fd6ee8 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 e9f6d182d..a66963669 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) 2006-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2021 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 b5d7f4d8c..bebe76654 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2021 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 c640aaeb3..9e8e92119 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2021 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 475f746e4..22aa9b258 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2021 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 622c53a1b..150a82ffc 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2021 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 829d00def..5bd781a98 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2021 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 f57383a1b..d2a30553f 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) 2008-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2021 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 30e936b5e..2efbe0647 100644
--- a/src/plugins/trigger/CMakeLists.txt
+++ b/src/plugins/trigger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 22262e101..7babce36c5 100644
--- a/src/plugins/trigger/Makefile.am
+++ b/src/plugins/trigger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 d521942f7..1c9ec8e61 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 f8199e268..c0f386444 100644
--- a/src/plugins/trigger/trigger-buffer.h
+++ b/src/plugins/trigger/trigger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 195f16899..eeefb8aad 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 eef0c7716..61c0b16e5 100644
--- a/src/plugins/trigger/trigger-callback.h
+++ b/src/plugins/trigger/trigger-callback.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 f41fe2d2f..6b5b8a3cf 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 f3b5b83a6..3d2e78fa7 100644
--- a/src/plugins/trigger/trigger-command.h
+++ b/src/plugins/trigger/trigger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 358f5d4b0..29f72dbe8 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 4bcc87089..bdf03e26d 100644
--- a/src/plugins/trigger/trigger-completion.h
+++ b/src/plugins/trigger/trigger-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 2bd8e3ca7..cdf21aab2 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 4561d06f7..d896e73b2 100644
--- a/src/plugins/trigger/trigger-config.h
+++ b/src/plugins/trigger/trigger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 0b9a44f77..0377c7119 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 08a424b60..07fd88c66 100644
--- a/src/plugins/trigger/trigger.h
+++ b/src/plugins/trigger/trigger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 8a6f7c3b7..b065b7eee 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a40b35395..91a977b59 100644
--- a/src/plugins/xfer/CMakeLists.txt
+++ b/src/plugins/xfer/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 48bd1b0b9..beab42ef5 100644
--- a/src/plugins/xfer/Makefile.am
+++ b/src/plugins/xfer/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 261153187..169bf845e 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9b0cf00cc..52ff0dd17 100644
--- a/src/plugins/xfer/xfer-buffer.h
+++ b/src/plugins/xfer/xfer-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 2d65f4653..bb60a8b20 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 5226b0919..0673a241a 100644
--- a/src/plugins/xfer/xfer-chat.h
+++ b/src/plugins/xfer/xfer-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c26802a64..658df7e71 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 ebd3bb66a..8b7396a52 100644
--- a/src/plugins/xfer/xfer-command.h
+++ b/src/plugins/xfer/xfer-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d92a92e6b..529433d0c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 acdfaa14a..39789d106 100644
--- a/src/plugins/xfer/xfer-completion.h
+++ b/src/plugins/xfer/xfer-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 0a11c90a9..499edb58d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 b54424446..f6df130fa 100644
--- a/src/plugins/xfer/xfer-config.h
+++ b/src/plugins/xfer/xfer-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 977f80e2c..75d032e5d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 77158888e..2bb7386d5 100644
--- a/src/plugins/xfer/xfer-dcc.h
+++ b/src/plugins/xfer/xfer-dcc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 6552aabc2..f00aab3b7 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 89f14bc7a..81943a7e2 100644
--- a/src/plugins/xfer/xfer-file.h
+++ b/src/plugins/xfer/xfer-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 9a332f211..c132a844d 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 677076b9f..70cb679ad 100644
--- a/src/plugins/xfer/xfer-info.h
+++ b/src/plugins/xfer/xfer-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 e9e8a9158..430e4998b 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 a836c25f3..8514f7c30 100644
--- a/src/plugins/xfer/xfer-network.h
+++ b/src/plugins/xfer/xfer-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d3f8b9490..ba753d381 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 d6a33a6d1..b36a43210 100644
--- a/src/plugins/xfer/xfer-upgrade.h
+++ b/src/plugins/xfer/xfer-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 c6ef2b630..5eb203b09 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 7e2f86357..2f3a1615f 100644
--- a/src/plugins/xfer/xfer.h
+++ b/src/plugins/xfer/xfer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 67c75b8d8..6f665f9ad 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 d4b29ff7e..a9d376a6b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 aaa03157a..0ee094750 100644
--- a/tests/scripts/python/testapi.py
+++ b/tests/scripts/python/testapi.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2021 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 5797861b7..28d42c0c9 100755
--- a/tests/scripts/python/testapigen.py
+++ b/tests/scripts/python/testapigen.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2021 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 da480fe1e..53d809a91 100755
--- a/tests/scripts/python/unparse.py
+++ b/tests/scripts/python/unparse.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2021 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 756ae35a6..92aaca9fc 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) 2017-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2021 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 65d0c5bb8..2ba5a2652 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -1,7 +1,7 @@
 /*
  * tests.cpp - run WeeChat tests
  *
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 bc3f2533f..2deb08833 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 f442493c5..396777e83 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 8a0d4c9b1..48e0e26b7 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 7e12af9ac..625518426 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2021 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 08ede271c..d565c6cdf 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 2aebfe733..abcaec2ca 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 657084539..50b895181 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 40b197ae8..f35422936 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) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 bd68c4353..771794418 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 a0b5feee5..962112f9e 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 9e66c2b3e..d360b9a83 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) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 f5b68ee34..9dd398ac2 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 70b5c6383..eab276cfe 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 2bc9cdd33..a7be93919 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 fc5624293..41308703d 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) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2021 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 32fe7cd53..fdd19c4dc 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 999ef1288..36455f1dd 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) 2018-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2021 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 e366ab751..9cbcc6a7a 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 d8a255e7d..69bb8db11 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 bfa84ae8b..0719a5a63 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 8ece5fb58..ef4514b7f 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 7defd420e..59ae06498 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 716f826bc..8abb8dc0a 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 8bd3045b6..03a4ea4aa 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 f06fadf0f..7d7f82b72 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 d1697c165..4fd7bb5b4 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) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2021 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 85460db1f..7748858ec 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2021 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 8c51bfe46..6cd920c08 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2020-2021 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 5afc2b85c..0603b7b1c 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) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2021 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 55adab417..e8fd61de7 100755
--- a/tools/build-debian.sh
+++ b/tools/build-debian.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2021 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 c5817f2c0..3e7d052e0 100755
--- a/tools/build-test.sh
+++ b/tools/build-test.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2014-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2021 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 d55759bf4..2f4a495aa 100755
--- a/tools/git-version.sh
+++ b/tools/git-version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 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 23fbd6b87..355583179 100755
--- a/tools/makedist.sh
+++ b/tools/makedist.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/version.sh b/version.sh
index 28ab0caa1..5072cc184 100755
--- a/version.sh
+++ b/version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2021 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 2e148d5d8..23fb16a2c 100644
--- a/weechat.cygport.in
+++ b/weechat.cygport.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2013-2021 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/weechat.spec b/weechat.spec
index 46622354f..db1b0dbf1 100644
--- a/weechat.spec
+++ b/weechat.spec
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #