diff --git a/CMakeLists.txt b/CMakeLists.txt
index 75d2e953a..162c22b32 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8b288a3d8..e92347466 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 7e8f4ab39..c9fc95421 100644
--- a/README.adoc
+++ b/README.adoc
@@ -114,7 +114,7 @@ $ ctest -V
 
 == Copyright
 
-Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 
 This file is part of WeeChat, the extensible chat client.
 
diff --git a/autogen.sh b/autogen.sh
index 338bc103a..1af774aaf 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 9ff57ca01..9a1b7c2c0 100644
--- a/cmake/FindAsciidoctor.cmake
+++ b/cmake/FindAsciidoctor.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e9761eaad..e9a3ec246 100644
--- a/cmake/FindAspell.cmake
+++ b/cmake/FindAspell.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 b2ce51404..22c015ca7 100644
--- a/cmake/FindCppUTest.cmake
+++ b/cmake/FindCppUTest.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 a62168069..65d15f89a 100644
--- a/cmake/FindGCRYPT.cmake
+++ b/cmake/FindGCRYPT.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 fb7adb58c..38748dc22 100644
--- a/cmake/FindGettext.cmake
+++ b/cmake/FindGettext.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 3d4b3f62f..c0d9242b6 100644
--- a/cmake/FindGnuTLS.cmake
+++ b/cmake/FindGnuTLS.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e1df576ac..b6928e66c 100644
--- a/cmake/FindGuile.cmake
+++ b/cmake/FindGuile.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2020 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 c48ae431a..e6e5bc860 100644
--- a/cmake/FindIconv.cmake
+++ b/cmake/FindIconv.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 35b3879ee..e6736d9cc 100644
--- a/cmake/FindLua.cmake
+++ b/cmake/FindLua.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 d0f3e78be..bc9c972a3 100644
--- a/cmake/FindNcurses.cmake
+++ b/cmake/FindNcurses.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8cb78a6e3..e5c941e71 100644
--- a/cmake/FindPHP.cmake
+++ b/cmake/FindPHP.cmake
@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2017 Adam Saponara <as@php.net>
-# Copyright (C) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2020 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 97e6c8008..f3fe17e7a 100644
--- a/cmake/FindPerl.cmake
+++ b/cmake/FindPerl.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 7690833c9..2f8ed41fa 100644
--- a/cmake/FindPython.cmake
+++ b/cmake/FindPython.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e0696cdf0..27df5f603 100644
--- a/cmake/FindRuby.cmake
+++ b/cmake/FindRuby.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8933a9d66..c4776f7a4 100644
--- a/cmake/FindV8.cmake
+++ b/cmake/FindV8.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2020 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 8e504b16b..210138e80 100644
--- a/cmake/cmake_uninstall.cmake.in
+++ b/cmake/cmake_uninstall.cmake.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/configure.ac b/configure.ac
index b38347f92..e73730304 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 042585574..fa68b192f 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: 2003-2019, Sébastien Helleu <flashcode@flashtux.org>
+Copyright: 2003-2020, 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 7c48d171a..809db995f 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8d39638a2..80f3c64f9 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 7710e7bc3..56f19956f 100644
--- a/doc/cs/CMakeLists.txt
+++ b/doc/cs/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 c6cec1621..ab293358e 100644
--- a/doc/cs/Makefile.am
+++ b/doc/cs/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/cs/man_copyright.cs.adoc b/doc/cs/man_copyright.cs.adoc
index 435ff3e3a..476275871 100644
--- a/doc/cs/man_copyright.cs.adoc
+++ b/doc/cs/man_copyright.cs.adoc
@@ -1,7 +1,7 @@
 WeeChat je napsán Sébastienem Helleu a přispěvovateli (kompletní seznam je v
 souboru AUTHORS.adoc).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 85e2c8dfb..08f5ddb8e 100644
--- a/doc/de/CMakeLists.txt
+++ b/doc/de/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e0c531db5..0e3b5c912 100644
--- a/doc/de/Makefile.am
+++ b/doc/de/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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/man_copyright.de.adoc b/doc/de/man_copyright.de.adoc
index 1c398b1a5..c0485f785 100644
--- a/doc/de/man_copyright.de.adoc
+++ b/doc/de/man_copyright.de.adoc
@@ -1,7 +1,7 @@
 WeeChat wird programmiert von Sébastien Helleu und weiteren Beteiligten (eine vollständige Auflistung
 findet man in der AUTHORS.adoc Datei).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 9a8276360..44906a625 100644
--- a/doc/docgen.py
+++ b/doc/docgen.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2020 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 389394b46..45f4da560 100644
--- a/doc/docinfo.html
+++ b/doc/docinfo.html
@@ -1,6 +1,6 @@
 <!--
   Custom styles for Asciidoctor
-  Copyright (C) 2016-2019 Sébastien Helleu <flashcode@flashtux.org>
+  Copyright (C) 2016-2020 Sébastien Helleu <flashcode@flashtux.org>
 -->
 <style>
 #header,#content,#footnotes,#footer {
diff --git a/doc/en/CMakeLists.txt b/doc/en/CMakeLists.txt
index a2f11dfe0..42ee60c56 100644
--- a/doc/en/CMakeLists.txt
+++ b/doc/en/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 7a5acbb25..3ada492db 100644
--- a/doc/en/Makefile.am
+++ b/doc/en/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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/man_copyright.en.adoc b/doc/en/man_copyright.en.adoc
index b415f0952..f78bee8da 100644
--- a/doc/en/man_copyright.en.adoc
+++ b/doc/en/man_copyright.en.adoc
@@ -1,7 +1,7 @@
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 742bd1435..b3cc72809 100644
--- a/doc/en/weechat_dev.en.adoc
+++ b/doc/en/weechat_dev.en.adoc
@@ -479,7 +479,7 @@ Example in C:
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2019 Your Name <your@email.com>
+ * Copyright (C) 2020 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 0737f6666..856430087 100644
--- a/doc/es/CMakeLists.txt
+++ b/doc/es/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2020 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 99f1646d0..0c5e8c911 100644
--- a/doc/es/Makefile.am
+++ b/doc/es/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2012-2020 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 be35cc5da..01bf40a16 100644
--- a/doc/fr/CMakeLists.txt
+++ b/doc/fr/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 9ac6c8a16..35d85c9c5 100644
--- a/doc/fr/Makefile.am
+++ b/doc/fr/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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/man_copyright.fr.adoc b/doc/fr/man_copyright.fr.adoc
index 72a5662fe..d330c21cd 100644
--- a/doc/fr/man_copyright.fr.adoc
+++ b/doc/fr/man_copyright.fr.adoc
@@ -1,7 +1,7 @@
 WeeChat est écrit par Sébastien Helleu et des contributeurs (la liste complète
 est dans le fichier AUTHORS.adoc).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 78c647a70..9c83e840a 100644
--- a/doc/fr/weechat_dev.fr.adoc
+++ b/doc/fr/weechat_dev.fr.adoc
@@ -480,7 +480,7 @@ Exemple en C :
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2019 Your Name <your@email.com>
+ * Copyright (C) 2020 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 f9a22864e..ecccec2b9 100644
--- a/doc/it/CMakeLists.txt
+++ b/doc/it/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 d9087a799..ce84ab645 100644
--- a/doc/it/Makefile.am
+++ b/doc/it/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/it/man_copyright.it.adoc b/doc/it/man_copyright.it.adoc
index 1019335d3..0a0e0ed99 100644
--- a/doc/it/man_copyright.it.adoc
+++ b/doc/it/man_copyright.it.adoc
@@ -2,7 +2,7 @@
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.adoc file).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 cba3cf2d4..ffefff934 100644
--- a/doc/ja/CMakeLists.txt
+++ b/doc/ja/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 54f8b5b82..eafe77961 100644
--- a/doc/ja/Makefile.am
+++ b/doc/ja/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ja/man_copyright.ja.adoc b/doc/ja/man_copyright.ja.adoc
index 30809c123..b4c6376d2 100644
--- a/doc/ja/man_copyright.ja.adoc
+++ b/doc/ja/man_copyright.ja.adoc
@@ -1,7 +1,7 @@
 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) 2003-2019 {author}
+著作権 (C) 2003-2020 {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 009633ce3..0ac9d2587 100644
--- a/doc/ja/weechat_dev.ja.adoc
+++ b/doc/ja/weechat_dev.ja.adoc
@@ -491,7 +491,7 @@ 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) 2019 Your Name <your@email.com>
+ * Copyright (C) 2020 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 72447bd58..6cbaf67f8 100644
--- a/doc/pl/CMakeLists.txt
+++ b/doc/pl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 ffcee00e7..29fe0437e 100644
--- a/doc/pl/Makefile.am
+++ b/doc/pl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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/man_copyright.pl.adoc b/doc/pl/man_copyright.pl.adoc
index 6776bf109..d55563760 100644
--- a/doc/pl/man_copyright.pl.adoc
+++ b/doc/pl/man_copyright.pl.adoc
@@ -1,7 +1,7 @@
 WeeChat jest tworzony przez Sébastien Helleu i społeczność (pełna lista dostępna
 jest w pliku AUTHORS.adoc).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 7cde1e198..42fa6d6e8 100644
--- a/doc/ru/CMakeLists.txt
+++ b/doc/ru/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 2e9c80e71..a33dedd7d 100644
--- a/doc/ru/Makefile.am
+++ b/doc/ru/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/doc/ru/man_copyright.ru.adoc b/doc/ru/man_copyright.ru.adoc
index 33878b95a..5d5f0bccd 100644
--- a/doc/ru/man_copyright.ru.adoc
+++ b/doc/ru/man_copyright.ru.adoc
@@ -1,7 +1,7 @@
 WeeChat написан Sébastien Helleu и другими участниками (полный список находится
 в файле AUTHORS.adoc).
 
-Copyright (C) 2003-2019 {author}
+Copyright (C) 2003-2020 {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 cf6afdbd6..68a23f5a9 100644
--- a/icons/CMakeLists.txt
+++ b/icons/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 af7e29757..903fd21a6 100644
--- a/icons/Makefile.am
+++ b/icons/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 98bf0c8e6..317904309 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 a0d89b3be..0eef02ff7 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 396fcdf71..720e3ab41 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 546756e01..29a67fec7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 5c0acc7e6..7a5f20c0d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 b37a5522e..3bfab22db 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 82f364b32..de3f628df 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 ee151c0c3..95e9c5fed 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b9a06d109..43eddd9b4 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b89d430eb..cd117ac36 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 037997d01..c09362069 100644
--- a/src/core/hook/wee-hook-command.h
+++ b/src/core/hook/wee-hook-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a959cd252..2562baa1a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 797021474..4252bd14c 100644
--- a/src/core/hook/wee-hook-completion.h
+++ b/src/core/hook/wee-hook-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 638fc0949..11a80ebd6 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 058231552..64880a1f9 100644
--- a/src/core/hook/wee-hook-config.h
+++ b/src/core/hook/wee-hook-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 01694d86e..0a865b0a8 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7777bf20d..53f59e22b 100644
--- a/src/core/hook/wee-hook-connect.h
+++ b/src/core/hook/wee-hook-connect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2c083401d..bbe2b56aa 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 13ef57fb0..1036fe1f8 100644
--- a/src/core/hook/wee-hook-fd.h
+++ b/src/core/hook/wee-hook-fd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 dd303a243..ab515ab03 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 cc6772d81..3c961bee5 100644
--- a/src/core/hook/wee-hook-focus.h
+++ b/src/core/hook/wee-hook-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f63725dc9..0e554498e 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 63e35fb8f..bae865bfb 100644
--- a/src/core/hook/wee-hook-hdata.h
+++ b/src/core/hook/wee-hook-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e472513da..cf4ea1784 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6fcad2aaf..4df584f94 100644
--- a/src/core/hook/wee-hook-hsignal.h
+++ b/src/core/hook/wee-hook-hsignal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 361655cda..2fb9edeaa 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f2267e405..4a340f659 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 33aeb5694..766c61470 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b97ad7f9b..0d3bb7a50 100644
--- a/src/core/hook/wee-hook-info.h
+++ b/src/core/hook/wee-hook-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e85af4ccb..dc84cf9a7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 bebb76165..91d3a7ef5 100644
--- a/src/core/hook/wee-hook-infolist.h
+++ b/src/core/hook/wee-hook-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5c16bf63d..1cc33f8c2 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0ff825822..3e802aea3 100644
--- a/src/core/hook/wee-hook-line.h
+++ b/src/core/hook/wee-hook-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 af1cad1cd..ae1cd3d58 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8092209e8..3f770544f 100644
--- a/src/core/hook/wee-hook-modifier.h
+++ b/src/core/hook/wee-hook-modifier.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 683511402..9ad3b0557 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f08667cc7..506b3d3b5 100644
--- a/src/core/hook/wee-hook-print.h
+++ b/src/core/hook/wee-hook-print.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4bc80f997..be9060b96 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f20b75047..f1ed3d7f8 100644
--- a/src/core/hook/wee-hook-process.h
+++ b/src/core/hook/wee-hook-process.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 75a149734..980f673bb 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 53d4db7ba..f52ef97ad 100644
--- a/src/core/hook/wee-hook-signal.h
+++ b/src/core/hook/wee-hook-signal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a3fda3006..30816465f 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f8530ac72..e4f745788 100644
--- a/src/core/hook/wee-hook-timer.h
+++ b/src/core/hook/wee-hook-timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8fca8ead8..bd5650996 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 22d83c296..d8059eb69 100644
--- a/src/core/wee-arraylist.h
+++ b/src/core/wee-arraylist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 8a0ce38dd..1d9b68ced 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 65bc270de..0a3b771e9 100644
--- a/src/core/wee-backtrace.h
+++ b/src/core/wee-backtrace.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 425f6e423..cba170264 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 d4c308640..b763e7e82 100644
--- a/src/core/wee-calc.h
+++ b/src/core/wee-calc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 a7354cc3d..51c83dfbe 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ceb520c7f..0cb77a48c 100644
--- a/src/core/wee-command.h
+++ b/src/core/wee-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 11267c061..5726a3ed0 100644
--- a/src/core/wee-completion.c
+++ b/src/core/wee-completion.c
@@ -2,7 +2,7 @@
 /*
  * wee-completion.c - completion for WeeChat commands
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 30bfc3030..964246071 100644
--- a/src/core/wee-completion.h
+++ b/src/core/wee-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5787c3cc8..dd43126f4 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 60e8576ad..6c13a369d 100644
--- a/src/core/wee-config-file.h
+++ b/src/core/wee-config-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 bd962d198..f1b02edd3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 40c24515b..f6ff03ad4 100644
--- a/src/core/wee-config.h
+++ b/src/core/wee-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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-debug.c b/src/core/wee-debug.c
index e1cc8ee62..e3e149d24 100644
--- a/src/core/wee-debug.c
+++ b/src/core/wee-debug.c
@@ -1,7 +1,7 @@
 /*
  * wee-debug.c - debug functions
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0b167a2de..08560a85d 100644
--- a/src/core/wee-debug.h
+++ b/src/core/wee-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 40d958b37..7ca93360a 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) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2020 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 a6c2d1229..4ee631712 100644
--- a/src/core/wee-eval.h
+++ b/src/core/wee-eval.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2020 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 037a3d39a..3f3655a79 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) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 e6f506cf8..607a3442d 100644
--- a/src/core/wee-hashtable.h
+++ b/src/core/wee-hashtable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 ceba9c48f..8d9376cd8 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 81033ba13..e368b2023 100644
--- a/src/core/wee-hdata.h
+++ b/src/core/wee-hdata.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 074ecb1c6..39bb4c4d7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 adcde5ccd..18b7d5472 100644
--- a/src/core/wee-hook.h
+++ b/src/core/wee-hook.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 cf7bff1a9..7b35dfb79 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e70fda9db..e4e130268 100644
--- a/src/core/wee-infolist.h
+++ b/src/core/wee-infolist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 775773984..1ac2c82ed 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4d42acd88..323d6360a 100644
--- a/src/core/wee-input.h
+++ b/src/core/wee-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d0c0a5073..abe7f9d03 100644
--- a/src/core/wee-list.c
+++ b/src/core/wee-list.c
@@ -1,7 +1,7 @@
 /*
  * wee-list.c - sorted lists
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b35703f14..f556584a3 100644
--- a/src/core/wee-list.h
+++ b/src/core/wee-list.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8303fcdca..ab441e6cf 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 51f03106a..8e6237296 100644
--- a/src/core/wee-log.h
+++ b/src/core/wee-log.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8dfe8ae11..8ff2207f9 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -1,7 +1,7 @@
 /*
  * wee-network.c - network functions
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7d522a9f7..5c7fbcf58 100644
--- a/src/core/wee-network.h
+++ b/src/core/wee-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e1064e985..71f3b3ee5 100644
--- a/src/core/wee-proxy.c
+++ b/src/core/wee-proxy.c
@@ -1,7 +1,7 @@
 /*
  * wee-proxy.c - proxy functions
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e484ad735..463626994 100644
--- a/src/core/wee-proxy.h
+++ b/src/core/wee-proxy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e425f80f6..c3a1f1a4b 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 9e36c1551..daedf915b 100644
--- a/src/core/wee-secure-buffer.h
+++ b/src/core/wee-secure-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 80cd1ebb1..c2bb38752 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 d28ab4e4e..e9e5cfb29 100644
--- a/src/core/wee-secure-config.h
+++ b/src/core/wee-secure-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 92b5c2f35..39b09aa90 100644
--- a/src/core/wee-secure.c
+++ b/src/core/wee-secure.c
@@ -1,7 +1,7 @@
 /*
  * wee-secure.c - secured data
  *
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 4b8b047d1..884fad8ca 100644
--- a/src/core/wee-secure.h
+++ b/src/core/wee-secure.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 3b082d57f..0d48d9b90 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -1,7 +1,7 @@
 /*
  * wee-string.c - string functions
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7eaef061e..585cb399d 100644
--- a/src/core/wee-string.h
+++ b/src/core/wee-string.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ba0dcb2c9..71061334e 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 38261a8e2..932140b58 100644
--- a/src/core/wee-upgrade-file.h
+++ b/src/core/wee-upgrade-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 54142c162..23aea38e7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 31252236b..0ddd85dba 100644
--- a/src/core/wee-upgrade.h
+++ b/src/core/wee-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8ac5d19f9..9db97eaa0 100644
--- a/src/core/wee-url.c
+++ b/src/core/wee-url.c
@@ -1,7 +1,7 @@
 /*
  * wee-url.c - URL transfer
  *
- * Copyright (C) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2020 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 33af1b724..a0213ad97 100644
--- a/src/core/wee-url.h
+++ b/src/core/wee-url.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2020 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 93a0bb5ff..5f6311c46 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 72c582f3c..2e20996ea 100644
--- a/src/core/wee-utf8.h
+++ b/src/core/wee-utf8.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f4d762a26..381ab69aa 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d287a2da0..82112f917 100644
--- a/src/core/wee-util.h
+++ b/src/core/wee-util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ce0ed9559..1b0cbaeb3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 efeb70cd1..723aa3f7b 100644
--- a/src/core/wee-version.h
+++ b/src/core/wee-version.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 be33a1d56..e88988eff 100644
--- a/src/core/weechat.c
+++ b/src/core/weechat.c
@@ -17,7 +17,7 @@
  *
  * weechat.c - WeeChat main functions
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e62ee9703..2fab8044d 100644
--- a/src/core/weechat.h
+++ b/src/core/weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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) 2003-2019"
+#define WEECHAT_COPYRIGHT_DATE   "(C) 2003-2020"
 #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 689624a60..e3477e476 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 bf01fc48e..b15ece7cb 100644
--- a/src/gui/Makefile.am
+++ b/src/gui/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 d0579271c..3997db8ac 100644
--- a/src/gui/curses/CMakeLists.txt
+++ b/src/gui/curses/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e4f30eccc..e1ee2202d 100644
--- a/src/gui/curses/Makefile.am
+++ b/src/gui/curses/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 0684e2775..ca5182a42 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 024fae90a..5285529f9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 fac3f6681..c9fb155f9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 33d8e23ac..88ae939ea 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9e70119c7..7907b9497 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b35557bfa..22e25b62d 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 bea8d58a3..63e4e56e6 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 3511059bc..db22bfeb3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5f938c7f3..df9700ee2 100644
--- a/src/gui/curses/gui-curses.h
+++ b/src/gui/curses/gui-curses.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 554bce8c7..074c8dd2f 100644
--- a/src/gui/curses/headless/CMakeLists.txt
+++ b/src/gui/curses/headless/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8e4e3dbbd..b4f513b3b 100644
--- a/src/gui/curses/headless/Makefile.am
+++ b/src/gui/curses/headless/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 fd31f1d80..4bb859857 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f91d274d0..8666e7382 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 4b79f9be4..5435bfa40 100644
--- a/src/gui/curses/headless/ncurses-fake.h
+++ b/src/gui/curses/headless/ncurses-fake.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 604f8763d..12cbe08fc 100644
--- a/src/gui/curses/normal/CMakeLists.txt
+++ b/src/gui/curses/normal/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 a5c3bf98f..45527290e 100644
--- a/src/gui/curses/normal/Makefile.am
+++ b/src/gui/curses/normal/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 dac178d10..4b2947708 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d6003d6fd..505b784ef 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e79e35b45..170e737b5 100644
--- a/src/gui/gui-bar-item.h
+++ b/src/gui/gui-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 461ae86c6..0a46661f9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 dd875c31b..7b7880174 100644
--- a/src/gui/gui-bar-window.h
+++ b/src/gui/gui-bar-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ca29a5a51..6159d3bf1 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 36232a5b7..8d8447efc 100644
--- a/src/gui/gui-bar.h
+++ b/src/gui/gui-bar.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ae3e82d88..ea9d19cb2 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8bc86aa02..911c3e638 100644
--- a/src/gui/gui-buffer.h
+++ b/src/gui/gui-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 fe2f07504..2aee82c8b 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2f4f9ae03..ef844fc0a 100644
--- a/src/gui/gui-chat.h
+++ b/src/gui/gui-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 bf5538897..f6e99e5a8 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1c3785fc2..7dfc35e48 100644
--- a/src/gui/gui-color.h
+++ b/src/gui/gui-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a4be51870..d84088337 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 019951b42..b04083599 100644
--- a/src/gui/gui-completion.h
+++ b/src/gui/gui-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3a49f9d5e..0e87933ef 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 281447b8c..c2a420656 100644
--- a/src/gui/gui-cursor.h
+++ b/src/gui/gui-cursor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 d2872b887..6d368ac4d 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e426262f5..1a93ef903 100644
--- a/src/gui/gui-filter.h
+++ b/src/gui/gui-filter.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8807b2805..4d04789b7 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 eceb314d7..4126b7efc 100644
--- a/src/gui/gui-focus.h
+++ b/src/gui/gui-focus.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 abfc0cf64..1d0ebdd0f 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9621a5dd5..a6e6dd33f 100644
--- a/src/gui/gui-history.h
+++ b/src/gui/gui-history.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e0a05148c..9658af210 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 82884c17c..7c92e3dd3 100644
--- a/src/gui/gui-hotlist.h
+++ b/src/gui/gui-hotlist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4cac88339..465913942 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a8c324a5d..3b67f607f 100644
--- a/src/gui/gui-input.h
+++ b/src/gui/gui-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7127a5269..6737f8033 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 46dc1c32a..a263e3dd9 100644
--- a/src/gui/gui-key.h
+++ b/src/gui/gui-key.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8a9b315cd..ca303878a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9d4a8ca37..c9fee9be8 100644
--- a/src/gui/gui-layout.h
+++ b/src/gui/gui-layout.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 fe853f279..519941585 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6815ec15f..9e5d5e14d 100644
--- a/src/gui/gui-line.h
+++ b/src/gui/gui-line.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f2496559f..e9bdcfd25 100644
--- a/src/gui/gui-main.h
+++ b/src/gui/gui-main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 44c734f48..228430e97 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 35ff8d3ff..45a17f51e 100644
--- a/src/gui/gui-mouse.h
+++ b/src/gui/gui-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 4a72ad76b..f1b39760d 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 736fdb758..560c03549 100644
--- a/src/gui/gui-nick.h
+++ b/src/gui/gui-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 350f226ae..c4ee290d4 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3a9efff2f..b3a33bf0e 100644
--- a/src/gui/gui-nicklist.h
+++ b/src/gui/gui-nicklist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1ba987ae2..0c7e81dcc 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2216071d4..4675ec49a 100644
--- a/src/gui/gui-window.h
+++ b/src/gui/gui-window.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4cf971a44..f4ca1acf9 100644
--- a/src/plugins/CMakeLists.txt
+++ b/src/plugins/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 45e304378..ba7c4631d 100644
--- a/src/plugins/Makefile.am
+++ b/src/plugins/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 f4e2ce1b1..459db6a25 100644
--- a/src/plugins/alias/CMakeLists.txt
+++ b/src/plugins/alias/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 7235dd35c..1c26b3a25 100644
--- a/src/plugins/alias/Makefile.am
+++ b/src/plugins/alias/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8760aa6ad..1640d222f 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 03158f81a..5812cb805 100644
--- a/src/plugins/alias/alias-command.h
+++ b/src/plugins/alias/alias-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 baa041f24..9152f9e71 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 15e316cf7..a90afd3cd 100644
--- a/src/plugins/alias/alias-completion.h
+++ b/src/plugins/alias/alias-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 7397399b6..bef48b71b 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 dc6cf8e9a..f0faba289 100644
--- a/src/plugins/alias/alias-config.h
+++ b/src/plugins/alias/alias-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 467cccf3d..0a5abdc1b 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7119ca6ab..4d7485da8 100644
--- a/src/plugins/alias/alias-info.h
+++ b/src/plugins/alias/alias-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 24c916a2c..d0858f8ca 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ff203e741..3e148e9e1 100644
--- a/src/plugins/alias/alias.h
+++ b/src/plugins/alias/alias.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b1d8e9acb..a63f78669 100644
--- a/src/plugins/buflist/CMakeLists.txt
+++ b/src/plugins/buflist/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 b48028d15..5b9cc220b 100644
--- a/src/plugins/buflist/Makefile.am
+++ b/src/plugins/buflist/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 52bf0a243..8a2f089d5 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 11b063d20..808bb68a7 100644
--- a/src/plugins/buflist/buflist-bar-item.h
+++ b/src/plugins/buflist/buflist-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 86e30a7b1..951e0f76e 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c8f40f318..8a259d368 100644
--- a/src/plugins/buflist/buflist-command.h
+++ b/src/plugins/buflist/buflist-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f695405fd..ad7f46270 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4510c5772..a5f387adf 100644
--- a/src/plugins/buflist/buflist-config.h
+++ b/src/plugins/buflist/buflist-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e69bd32a1..0088ae95d 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 7afd2e465..8456d551a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 326259276..d4244c7c0 100644
--- a/src/plugins/buflist/buflist-mouse.h
+++ b/src/plugins/buflist/buflist-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 edeeb5444..31392f8b7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 87c2ebd14..85577d40d 100644
--- a/src/plugins/buflist/buflist.h
+++ b/src/plugins/buflist/buflist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2e54b00cf..5b46f16b2 100644
--- a/src/plugins/charset/CMakeLists.txt
+++ b/src/plugins/charset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 58cdbed72..622d12687 100644
--- a/src/plugins/charset/Makefile.am
+++ b/src/plugins/charset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 3546259f8..e9fb3a1ec 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 35fff5942..d80b72525 100644
--- a/src/plugins/exec/CMakeLists.txt
+++ b/src/plugins/exec/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 7e0cb0097..b0c83f1d3 100644
--- a/src/plugins/exec/Makefile.am
+++ b/src/plugins/exec/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 4c1af8794..674732632 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 0ff6b27ff..d47e114c8 100644
--- a/src/plugins/exec/exec-buffer.h
+++ b/src/plugins/exec/exec-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 723baff7b..917079f91 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 7ead2324e..7682ead32 100644
--- a/src/plugins/exec/exec-command.h
+++ b/src/plugins/exec/exec-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 c4c3df190..b823683b9 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 9818d4bfd..6a3372801 100644
--- a/src/plugins/exec/exec-completion.h
+++ b/src/plugins/exec/exec-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 6ea68a56d..5a817d31b 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 8467d9cc9..e6781611c 100644
--- a/src/plugins/exec/exec-config.h
+++ b/src/plugins/exec/exec-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 58ed9f26b..f8aeba3aa 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 4528ba0d6..82bf79280 100644
--- a/src/plugins/exec/exec.h
+++ b/src/plugins/exec/exec.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 33a14ebf7..6ae089a2c 100644
--- a/src/plugins/fifo/CMakeLists.txt
+++ b/src/plugins/fifo/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 1bcaa9b01..bcb8910bc 100644
--- a/src/plugins/fifo/Makefile.am
+++ b/src/plugins/fifo/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 66211c471..1431c8bb6 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 de2fd90ad..30d972464 100644
--- a/src/plugins/fifo/fifo-command.h
+++ b/src/plugins/fifo/fifo-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d106ce922..f141d1202 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 23da8e2b1..f9af1a6eb 100644
--- a/src/plugins/fifo/fifo-config.h
+++ b/src/plugins/fifo/fifo-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3039ee443..818850312 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d59a292ae..f0f317b5c 100644
--- a/src/plugins/fifo/fifo-info.h
+++ b/src/plugins/fifo/fifo-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5ac448262..a32925653 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2fa56bfde..9d0096346 100644
--- a/src/plugins/fifo/fifo.h
+++ b/src/plugins/fifo/fifo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e807acc67..bef2871ba 100644
--- a/src/plugins/fset/CMakeLists.txt
+++ b/src/plugins/fset/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 6a21ffa3e..f7a26f98a 100644
--- a/src/plugins/fset/Makefile.am
+++ b/src/plugins/fset/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 c2b258713..bef62d773 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 64d7d2aaf..42c0b7c2d 100644
--- a/src/plugins/fset/fset-bar-item.h
+++ b/src/plugins/fset/fset-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a3230eabe..e09f8da8b 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 fc1331902..eaee367af 100644
--- a/src/plugins/fset/fset-buffer.h
+++ b/src/plugins/fset/fset-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 26e0640a2..e465d0ad4 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5df90d1ab..ad33616cb 100644
--- a/src/plugins/fset/fset-command.h
+++ b/src/plugins/fset/fset-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2be16484b..efb634cad 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e7adb874e..270ed7840 100644
--- a/src/plugins/fset/fset-completion.h
+++ b/src/plugins/fset/fset-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 29c8cfb73..c9139877e 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 149d3f784..763363ca0 100644
--- a/src/plugins/fset/fset-config.h
+++ b/src/plugins/fset/fset-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d0f5f2efd..94a14f539 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e48dc6ea4..fb7aad453 100644
--- a/src/plugins/fset/fset-info.h
+++ b/src/plugins/fset/fset-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1cb71f417..c30abdee1 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 45a89b84e..0da0cbf80 100644
--- a/src/plugins/fset/fset-mouse.h
+++ b/src/plugins/fset/fset-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9ead1ec90..f6ff80942 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3800dd437..7b4d41794 100644
--- a/src/plugins/fset/fset-option.h
+++ b/src/plugins/fset/fset-option.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 43a6ca4e3..e1d0a9ed8 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7e1408629..b79c3f9a7 100644
--- a/src/plugins/fset/fset.h
+++ b/src/plugins/fset/fset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c08d63777..5351594bf 100644
--- a/src/plugins/guile/CMakeLists.txt
+++ b/src/plugins/guile/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2020 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 86c2452f9..8a30fe0df 100644
--- a/src/plugins/guile/Makefile.am
+++ b/src/plugins/guile/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2020 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 d54eb11ee..5c3ff356c 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 506395494..161adbbad 100644
--- a/src/plugins/guile/weechat-guile-api.h
+++ b/src/plugins/guile/weechat-guile-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 8addeb469..63c34e0c1 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) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 b21da36a6..72e92f276 100644
--- a/src/plugins/guile/weechat-guile.h
+++ b/src/plugins/guile/weechat-guile.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2011-2020 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 a77698d78..0ce297113 100644
--- a/src/plugins/irc/CMakeLists.txt
+++ b/src/plugins/irc/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 86b92ff2c..5716c9d03 100644
--- a/src/plugins/irc/Makefile.am
+++ b/src/plugins/irc/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 9a69a000b..06ef0c89d 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e79ff47a0..9121e749c 100644
--- a/src/plugins/irc/irc-bar-item.h
+++ b/src/plugins/irc/irc-bar-item.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 150004d9e..ad470c7ed 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 57c034162..d9ad7b000 100644
--- a/src/plugins/irc/irc-buffer.h
+++ b/src/plugins/irc/irc-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 07244db19..2f31bc7df 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 78dea65cd..5f616b5f1 100644
--- a/src/plugins/irc/irc-channel.h
+++ b/src/plugins/irc/irc-channel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 af95d8614..b7434c7ff 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1c5b2fd0e..5142054d2 100644
--- a/src/plugins/irc/irc-color.h
+++ b/src/plugins/irc/irc-color.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6556a9493..1abfb24aa 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5d689e0c7..d86d22ba6 100644
--- a/src/plugins/irc/irc-command.h
+++ b/src/plugins/irc/irc-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e72152cdb..79453f3fd 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2d535edf4..0fc15a4ad 100644
--- a/src/plugins/irc/irc-completion.h
+++ b/src/plugins/irc/irc-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3417423f6..184380628 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1de03a209..dc8d20798 100644
--- a/src/plugins/irc/irc-config.h
+++ b/src/plugins/irc/irc-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 aaacecd24..89001c73c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b203c0478..3c8d15724 100644
--- a/src/plugins/irc/irc-ctcp.h
+++ b/src/plugins/irc/irc-ctcp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 51726520a..edbbaf817 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ee84eabc5..7a61572b6 100644
--- a/src/plugins/irc/irc-debug.h
+++ b/src/plugins/irc/irc-debug.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 83a026ab9..5d15b8ce3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 cea98ac99..427f2c229 100644
--- a/src/plugins/irc/irc-ignore.h
+++ b/src/plugins/irc/irc-ignore.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3136618fb..2faadb762 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 15d1b161b..43a5b8abd 100644
--- a/src/plugins/irc/irc-info.h
+++ b/src/plugins/irc/irc-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 96da22bf5..6f8ccdc38 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 dd436d647..396479849 100644
--- a/src/plugins/irc/irc-input.h
+++ b/src/plugins/irc/irc-input.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 db3ca51a6..ee0a785f3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1cac89d0d..ee54a2072 100644
--- a/src/plugins/irc/irc-message.h
+++ b/src/plugins/irc/irc-message.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d6c749168..2237a344b 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a26e62188..9795f286e 100644
--- a/src/plugins/irc/irc-mode.h
+++ b/src/plugins/irc/irc-mode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1ad2ee3a8..9f3b45650 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) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2020 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 277a7d455..248961236 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) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2020 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 9a4389b19..88d655ecc 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ed0d5e8c1..e562ebaf3 100644
--- a/src/plugins/irc/irc-msgbuffer.h
+++ b/src/plugins/irc/irc-msgbuffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 57bb1d601..5dbe3a256 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 52316891d..caccb2932 100644
--- a/src/plugins/irc/irc-nick.h
+++ b/src/plugins/irc/irc-nick.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 80c170562..1d6976c05 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) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 8b78ce108..8f3c94034 100644
--- a/src/plugins/irc/irc-notify.h
+++ b/src/plugins/irc/irc-notify.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 cf741c873..ccc9ca35f 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 36a6bd773..5b8702559 100644
--- a/src/plugins/irc/irc-protocol.h
+++ b/src/plugins/irc/irc-protocol.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8ff7343cc..0635dd65f 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7a35c256b..1be86a3e3 100644
--- a/src/plugins/irc/irc-raw.h
+++ b/src/plugins/irc/irc-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7832dcb2e..2a3c8f144 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) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 25d4892ec..2a30c93f8 100644
--- a/src/plugins/irc/irc-redirect.h
+++ b/src/plugins/irc/irc-redirect.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2010-2020 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 f3074480d..9938d2252 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 00d92b0b7..252136372 100644
--- a/src/plugins/irc/irc-sasl.h
+++ b/src/plugins/irc/irc-sasl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1d59d1060..eeacc06b7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6aaf05e4d..50dbd0c76 100644
--- a/src/plugins/irc/irc-server.h
+++ b/src/plugins/irc/irc-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6419269af..0ed9b2625 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 43562f318..448e8fa95 100644
--- a/src/plugins/irc/irc-upgrade.h
+++ b/src/plugins/irc/irc-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e9bd207cc..b838d4ea5 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e1888a6fd..455c223fb 100644
--- a/src/plugins/irc/irc.h
+++ b/src/plugins/irc/irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2eed5d147..47c1f6c70 100644
--- a/src/plugins/javascript/CMakeLists.txt
+++ b/src/plugins/javascript/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2020 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 f93971deb..9ee55d105 100644
--- a/src/plugins/javascript/Makefile.am
+++ b/src/plugins/javascript/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2020 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 8649897be..5c159387d 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 700c0699f..4fba8438e 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 5fc878a84..d081e5fbd 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 52c9e0a3d..ce33d1e1e 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 996444ffe..f86535880 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 cfa6a2234..c10274588 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) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2015-2020 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 1e17228bf..52332b1b7 100644
--- a/src/plugins/logger/CMakeLists.txt
+++ b/src/plugins/logger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 8647631ab..8ce1076a3 100644
--- a/src/plugins/logger/Makefile.am
+++ b/src/plugins/logger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 f1ff70aa1..ec593b19a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b6fcf5f63..5ee293cf6 100644
--- a/src/plugins/logger/logger-backlog.h
+++ b/src/plugins/logger/logger-backlog.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 129fe1b23..f3b0b9c08 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c706a9098..98524e04a 100644
--- a/src/plugins/logger/logger-buffer.h
+++ b/src/plugins/logger/logger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 463e2a94a..d9b98fc6c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 62fa30d66..f23d5200b 100644
--- a/src/plugins/logger/logger-command.h
+++ b/src/plugins/logger/logger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e0dbaecbf..113035182 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c3fce31f5..f66726977 100644
--- a/src/plugins/logger/logger-config.h
+++ b/src/plugins/logger/logger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 667813202..2f36ad508 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c773547c1..8d84231b3 100644
--- a/src/plugins/logger/logger-info.h
+++ b/src/plugins/logger/logger-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 131e1374d..ea9c56f4c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 7561264dd..c986faca0 100644
--- a/src/plugins/logger/logger-tail.h
+++ b/src/plugins/logger/logger-tail.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3532b9716..3fc528309 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 008c97888..75f563127 100644
--- a/src/plugins/logger/logger.h
+++ b/src/plugins/logger/logger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f76167de2..5738e6daa 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2020 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 76839f8bf..463de99cc 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2020 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 10c1663d2..f6230a71a 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 5fc9959b8..899871a31 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 4c9880124..df03dc4e5 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 3682fdbfe..f58481fdb 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 72734b48f..66675cce5 100644
--- a/src/plugins/perl/CMakeLists.txt
+++ b/src/plugins/perl/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 6f81ad8db..130a37e34 100644
--- a/src/plugins/perl/Makefile.am
+++ b/src/plugins/perl/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 ab6b40608..983564905 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 cc5007f1f..b61e5f396 100644
--- a/src/plugins/perl/weechat-perl-api.h
+++ b/src/plugins/perl/weechat-perl-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8688938d9..264921d1c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 75a0ce22a..46626bb9a 100644
--- a/src/plugins/perl/weechat-perl.h
+++ b/src/plugins/perl/weechat-perl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e08dbde3a..a8cd4a79f 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2020 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 54eb3c6c2..971a6d83f 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2020 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 5702d919f..7ef1b0d21 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2020 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 a8b4b785f..238ff0490 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2020 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 105d14bee..16dafa281 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5535a630f..d9f57d2aa 100644
--- a/src/plugins/plugin-api-info.h
+++ b/src/plugins/plugin-api-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 12d681565..2d9358b22 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5223585b2..1f90cad85 100644
--- a/src/plugins/plugin-api.h
+++ b/src/plugins/plugin-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a54a267fd..f2848dd47 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 768405cab..dd00591a3 100644
--- a/src/plugins/plugin-config.h
+++ b/src/plugins/plugin-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 faf3280e4..592f86aa3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 955b68693..8e7121ecb 100644
--- a/src/plugins/plugin-script-api.h
+++ b/src/plugins/plugin-script-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6819e04be..655be94f9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 94a069f87..7184a26a0 100644
--- a/src/plugins/plugin-script-config.h
+++ b/src/plugins/plugin-script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c07a43b83..7a036df47 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d94fd658e..8ed0b3376 100644
--- a/src/plugins/plugin-script.h
+++ b/src/plugins/plugin-script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f39c48f86..5a7e2bd39 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5ed1d2866..02fbc17ed 100644
--- a/src/plugins/plugin.h
+++ b/src/plugins/plugin.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 64a6d6194..9e479c487 100644
--- a/src/plugins/python/CMakeLists.txt
+++ b/src/plugins/python/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 ac8b3adcc..94165dcd8 100644
--- a/src/plugins/python/Makefile.am
+++ b/src/plugins/python/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 74ca1b33f..e9e3235e8 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 802ad09b5..77b3465a5 100644
--- a/src/plugins/python/weechat-python-api.h
+++ b/src/plugins/python/weechat-python-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 52be4d1b0..b1ec9bb3a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4437e4ba4..51582c703 100644
--- a/src/plugins/python/weechat-python.h
+++ b/src/plugins/python/weechat-python.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 757b8bebd..e83fba09a 100644
--- a/src/plugins/relay/CMakeLists.txt
+++ b/src/plugins/relay/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 b6dc6a309..b7078856a 100644
--- a/src/plugins/relay/Makefile.am
+++ b/src/plugins/relay/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 632fbabb6..fea36430c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 52fc72b2a..b0de0e786 100644
--- a/src/plugins/relay/irc/relay-irc.h
+++ b/src/plugins/relay/irc/relay-irc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0fb40c1ac..b2c49147c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 84d6c8d74..3fd812227 100644
--- a/src/plugins/relay/relay-buffer.h
+++ b/src/plugins/relay/relay-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2d8272a8b..bc339254d 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 df84f8e71..b01588745 100644
--- a/src/plugins/relay/relay-client.h
+++ b/src/plugins/relay/relay-client.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 759cd42e1..ba3d05f70 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5fd433fc3..1666c7297 100644
--- a/src/plugins/relay/relay-command.h
+++ b/src/plugins/relay/relay-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1cfe62744..48c8d46b0 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c99013758..e98d05c16 100644
--- a/src/plugins/relay/relay-completion.h
+++ b/src/plugins/relay/relay-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 53c7a1e9a..282c042d5 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f28f39a5a..355c4ab41 100644
--- a/src/plugins/relay/relay-config.h
+++ b/src/plugins/relay/relay-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b2227e131..6f00849db 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3de0d2984..1ba0c6da5 100644
--- a/src/plugins/relay/relay-info.h
+++ b/src/plugins/relay/relay-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 85944044f..f702be7e2 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 249d682bc..fa25bc172 100644
--- a/src/plugins/relay/relay-network.h
+++ b/src/plugins/relay/relay-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0719252b2..7408626b3 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 37bdc7b7e..95e31bb74 100644
--- a/src/plugins/relay/relay-raw.h
+++ b/src/plugins/relay/relay-raw.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b247837bf..0344192b6 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a59d8bd27..fd82659bb 100644
--- a/src/plugins/relay/relay-server.h
+++ b/src/plugins/relay/relay-server.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9b4db1dc2..e73d1c64c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 353ab35e7..eeebebed7 100644
--- a/src/plugins/relay/relay-upgrade.h
+++ b/src/plugins/relay/relay-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6942fad4c..f3d5bbf0b 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 2e756f58e..cb8f5de1a 100644
--- a/src/plugins/relay/relay-websocket.h
+++ b/src/plugins/relay/relay-websocket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 f09540918..54ed88d58 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d8a4a6658..de24f4850 100644
--- a/src/plugins/relay/relay.h
+++ b/src/plugins/relay/relay.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 10e6e0fa8..33efd575a 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8a2a25323..1ac5cc0f4 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 bab620941..cfbe74d22 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 231871e31..ff52f93ff 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ffeff9357..82cb6ceb5 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 76c90c8ce..7a36b5ff9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8c7052bb7..5373bcb61 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ac6fdef7f..67951b7b4 100644
--- a/src/plugins/relay/weechat/relay-weechat.h
+++ b/src/plugins/relay/weechat/relay-weechat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8b4b08bfc..9520697e4 100644
--- a/src/plugins/ruby/CMakeLists.txt
+++ b/src/plugins/ruby/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 318291ded..7111e6a66 100644
--- a/src/plugins/ruby/Makefile.am
+++ b/src/plugins/ruby/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 9ff0743f9..1137ea030 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 bc9219ecb..510a4649a 100644
--- a/src/plugins/ruby/weechat-ruby-api.h
+++ b/src/plugins/ruby/weechat-ruby-api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d1e73b6c7..de72faeb6 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9fb323de5..e19844eac 100644
--- a/src/plugins/ruby/weechat-ruby.h
+++ b/src/plugins/ruby/weechat-ruby.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0c83d0774..6346a4064 100644
--- a/src/plugins/script/CMakeLists.txt
+++ b/src/plugins/script/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 fa0dea0a6..2be84705a 100644
--- a/src/plugins/script/Makefile.am
+++ b/src/plugins/script/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 fc3aa670e..1d9175ccf 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 eff5af97c..2b48aac82 100644
--- a/src/plugins/script/script-action.h
+++ b/src/plugins/script/script-action.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e2871f757..cd2897818 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f330c968d..efb58b040 100644
--- a/src/plugins/script/script-buffer.h
+++ b/src/plugins/script/script-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 5013fab74..de5dba3a7 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 4edad2d2c..03ea83a48 100644
--- a/src/plugins/script/script-command.h
+++ b/src/plugins/script/script-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 9526c435d..bfc63cd42 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c1d029225..3a7179da4 100644
--- a/src/plugins/script/script-completion.h
+++ b/src/plugins/script/script-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1acff6bdf..c8ae790af 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ae532f1c3..230d2a043 100644
--- a/src/plugins/script/script-config.h
+++ b/src/plugins/script/script-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c46b83253..deabce0e6 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a522208cb..655491757 100644
--- a/src/plugins/script/script-info.h
+++ b/src/plugins/script/script-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 710d406ba..5fcae1644 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 be44c7006..43a70b838 100644
--- a/src/plugins/script/script-mouse.h
+++ b/src/plugins/script/script-mouse.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 0c4fe8046..892324712 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 f67810f18..4408ff5b4 100644
--- a/src/plugins/script/script-repo.h
+++ b/src/plugins/script/script-repo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 be1ddc62b..ef0b96097 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 6328b6f02..802af0465 100644
--- a/src/plugins/script/script.h
+++ b/src/plugins/script/script.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 d27724311..118de3117 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2020 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 b3313d9f4..094dd8b7b 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2006-2020 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 624bdb919..b0b6e7ed3 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) 2012-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2020 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 5d27aa9d7..e1f673f0e 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 822955c0c..c630b9d64 100644
--- a/src/plugins/spell/spell-command.h
+++ b/src/plugins/spell/spell-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 f80030add..2d3452095 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 4c3ad6097..90e7359fb 100644
--- a/src/plugins/spell/spell-completion.h
+++ b/src/plugins/spell/spell-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 b35ca8be7..a15dd92e3 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 2e036e0a2..8ea2d8959 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 a92da0122..29998edc9 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) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 e529236be..c39fd6c1e 100644
--- a/src/plugins/spell/spell-info.h
+++ b/src/plugins/spell/spell-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2013-2020 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 db2f0ecf6..aab4bcac2 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 2d47d7e24..d92e3ada7 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 dd3597110..e260f1164 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 8625ea7db..e9f6d182d 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) 2006-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2006-2020 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 a159751a3..b5d7f4d8c 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2020 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 29c26463a..c640aaeb3 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2008-2020 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 6609a0aea..e75b44295 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2020 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 6c7dab752..622c53a1b 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2020 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 cd068a74e..829d00def 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2020 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 5905a603f..f57383a1b 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) 2008-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2008-2020 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 a3b15a18d..30e936b5e 100644
--- a/src/plugins/trigger/CMakeLists.txt
+++ b/src/plugins/trigger/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 a9dc0c946..22262e101 100644
--- a/src/plugins/trigger/Makefile.am
+++ b/src/plugins/trigger/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 c80424f14..d521942f7 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 98c075aaf..f8199e268 100644
--- a/src/plugins/trigger/trigger-buffer.h
+++ b/src/plugins/trigger/trigger-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 6a67c3501..1bb3550ce 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 11c8861ae..eef0c7716 100644
--- a/src/plugins/trigger/trigger-callback.h
+++ b/src/plugins/trigger/trigger-callback.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 0dd2aa34d..2d2793c0d 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 02ccead1a..f3b5b83a6 100644
--- a/src/plugins/trigger/trigger-command.h
+++ b/src/plugins/trigger/trigger-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 c1aa6462f..536a0a502 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 6c56b8b69..4bcc87089 100644
--- a/src/plugins/trigger/trigger-completion.h
+++ b/src/plugins/trigger/trigger-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 b11809d87..128ae6bb3 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 c4cd78f4b..4561d06f7 100644
--- a/src/plugins/trigger/trigger-config.h
+++ b/src/plugins/trigger/trigger-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 30e1e1101..b1364c294 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 319343389..08a424b60 100644
--- a/src/plugins/trigger/trigger.h
+++ b/src/plugins/trigger/trigger.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 debe59fa0..fb8870e89 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2ff3b9924..a40b35395 100644
--- a/src/plugins/xfer/CMakeLists.txt
+++ b/src/plugins/xfer/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 e5e30e287..48bd1b0b9 100644
--- a/src/plugins/xfer/Makefile.am
+++ b/src/plugins/xfer/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 24a7d5b00..261153187 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a52c68393..9b0cf00cc 100644
--- a/src/plugins/xfer/xfer-buffer.h
+++ b/src/plugins/xfer/xfer-buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 17ae71b2d..2d65f4653 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1ffe4d250..5226b0919 100644
--- a/src/plugins/xfer/xfer-chat.h
+++ b/src/plugins/xfer/xfer-chat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 13eb2bf10..c26802a64 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 47c29d2d3..ebd3bb66a 100644
--- a/src/plugins/xfer/xfer-command.h
+++ b/src/plugins/xfer/xfer-command.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 b88858fef..23d8955ed 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 2a2f0b1aa..acdfaa14a 100644
--- a/src/plugins/xfer/xfer-completion.h
+++ b/src/plugins/xfer/xfer-completion.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 a776f9638..0a11c90a9 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1d5d05e9a..b54424446 100644
--- a/src/plugins/xfer/xfer-config.h
+++ b/src/plugins/xfer/xfer-config.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 593235d6a..977f80e2c 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 3de03590c..77158888e 100644
--- a/src/plugins/xfer/xfer-dcc.h
+++ b/src/plugins/xfer/xfer-dcc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 e9b7b0f26..6552aabc2 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 704ff29b3..89f14bc7a 100644
--- a/src/plugins/xfer/xfer-file.h
+++ b/src/plugins/xfer/xfer-file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 8edf18a99..9a332f211 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ad20e3815..677076b9f 100644
--- a/src/plugins/xfer/xfer-info.h
+++ b/src/plugins/xfer/xfer-info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 c19f0cd1a..e9e8a9158 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 26be450a7..a836c25f3 100644
--- a/src/plugins/xfer/xfer-network.h
+++ b/src/plugins/xfer/xfer-network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 eaaa6f58b..d3f8b9490 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 555a39361..d6a33a6d1 100644
--- a/src/plugins/xfer/xfer-upgrade.h
+++ b/src/plugins/xfer/xfer-upgrade.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 1ab27ea90..678267757 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) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 ce984c458..7e2f86357 100644
--- a/src/plugins/xfer/xfer.h
+++ b/src/plugins/xfer/xfer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 fe1db3791..2af1450dd 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 ebe710ac2..68e7c6765 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 c4fdab5b9..404278470 100644
--- a/tests/scripts/python/testapi.py
+++ b/tests/scripts/python/testapi.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2020 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 f20c40c60..723add183 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2020 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 23b07aec3..115cd668e 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2020 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 b7c4a0d60..34ca7643f 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) 2017-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2017-2020 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 3aedebcb7..9b38eaaab 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -1,7 +1,7 @@
 /*
  * tests.cpp - run WeeChat tests
  *
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 354839fba..d11c33601 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 8f0f9aacf..f442493c5 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 d436b8588..474fa21a6 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 dcfb039c9..78c7870d1 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 3d51e23c3..2aebfe733 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 c92235f0f..657084539 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 572323bc1..58cc32c9f 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) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2020 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 8a00b3be7..bd68c4353 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 5144e89fe..a0b5feee5 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 48d587128..b59cb7fca 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) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2020 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 b43135d53..24801e29c 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 18b19aafd..70b5c6383 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 ad337d505..2bc9cdd33 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 bf0e65edd..15dee389c 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) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2020 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 7f13d224d..48fe5669f 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 dc652b3b2..a7ed03f40 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) 2018-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2020 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 e92ce744d..98b8e3c83 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 57e2276fd..9fc182fa6 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 3cba17808..8ece5fb58 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 6960ae71a..7defd420e 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 56775eb6a..a8f9f44ee 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 6d9d7d643..8bd3045b6 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 c7ed6e138..9c859ef9f 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 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 cba0c26f2..f26181991 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 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
diff --git a/tests/unit/test-plugins.cpp b/tests/unit/test-plugins.cpp
index a6c637c2c..96151b6b1 100644
--- a/tests/unit/test-plugins.cpp
+++ b/tests/unit/test-plugins.cpp
@@ -1,7 +1,7 @@
 /*
  * test-plugins.cpp - test plugins
  *
- * Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2020 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 dcb8b1581..55adab417 100755
--- a/tools/build-debian.sh
+++ b/tools/build-debian.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2020 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 551195a9b..64e16164d 100755
--- a/tools/build-test.sh
+++ b/tools/build-test.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2014-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2020 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 b8009589c..d55759bf4 100755
--- a/tools/git-version.sh
+++ b/tools/git-version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 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 eb7a2d25c..23fbd6b87 100755
--- a/tools/makedist.sh
+++ b/tools/makedist.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/version.sh b/version.sh
index bee174308..7fa16acaf 100755
--- a/version.sh
+++ b/version.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2015-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2020 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 8383f16b0..e976cdc2c 100644
--- a/weechat.cygport.in
+++ b/weechat.cygport.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2013-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #
diff --git a/weechat.spec b/weechat.spec
index 321ceedd1..bf482a598 100644
--- a/weechat.spec
+++ b/weechat.spec
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2020 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #