update copyright to 2021

60 files changed, 60 insertions, 0 deletions

diff --git a/savers/floaters.c b/savers/floaters.c
index d1e7cc9..bca72da 100644
--- a/savers/floaters.c
+++ b/savers/floaters.c
@@ -2,6 +2,7 @@
  * Copyright (C) 2005 Ray Strode <[email protected]>,
  *                    Matthias Clasen <[email protected]>,
  *                    Søren Sandmann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License as
diff --git a/savers/gs-theme-engine.c b/savers/gs-theme-engine.c
index ec071c6..3a6ec4f 100644
--- a/savers/gs-theme-engine.c
+++ b/savers/gs-theme-engine.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/savers/gs-theme-engine.h b/savers/gs-theme-engine.h
index f3492ab..131235d 100644
--- a/savers/gs-theme-engine.h
+++ b/savers/gs-theme-engine.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/savers/gs-theme-window.c b/savers/gs-theme-window.c
index 1000af2..1ae78f6 100644
--- a/savers/gs-theme-window.c
+++ b/savers/gs-theme-window.c
@@ -3,6 +3,7 @@
  * gs-theme-window.c - special toplevel for screensavers
  *
  * Copyright (C) 2005 Ray Strode <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/savers/gs-theme-window.h b/savers/gs-theme-window.h
index 798e33c..0167ee1 100644
--- a/savers/gs-theme-window.h
+++ b/savers/gs-theme-window.h
@@ -3,6 +3,7 @@
  * gs-theme-window.h - special toplevel for screensavers
  *
  * Copyright (C) 2005 Ray Strode <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/savers/gste-popsquares.c b/savers/gste-popsquares.c
index 4b78f72..4f642e1 100644
--- a/savers/gste-popsquares.c
+++ b/savers/gste-popsquares.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/savers/gste-popsquares.h b/savers/gste-popsquares.h
index a4130c2..81b95e1 100644
--- a/savers/gste-popsquares.h
+++ b/savers/gste-popsquares.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/savers/gste-slideshow.c b/savers/gste-slideshow.c
index 47027d7..290f158 100644
--- a/savers/gste-slideshow.c
+++ b/savers/gste-slideshow.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2005-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/savers/gste-slideshow.h b/savers/gste-slideshow.h
index e3e1042..d512e05 100644
--- a/savers/gste-slideshow.h
+++ b/savers/gste-slideshow.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/savers/popsquares.c b/savers/popsquares.c
index 6b9b8f7..254764e 100644
--- a/savers/popsquares.c
+++ b/savers/popsquares.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/savers/slideshow.c b/savers/slideshow.c
index 24dc394..fa350f7 100644
--- a/savers/slideshow.c
+++ b/savers/slideshow.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/savers/xdg-user-dir-lookup.c b/savers/xdg-user-dir-lookup.c
index c9e8fe2..83e2c7e 100644
--- a/savers/xdg-user-dir-lookup.c
+++ b/savers/xdg-user-dir-lookup.c
@@ -3,6 +3,7 @@
   Its is under the MIT license, to encourage reuse by cut-and-paste.
 
   Copyright (c) 2007 Red Hat, inc
+  Copyright (C) 2012-2021 MATE Developers
 
   Permission is hereby granted, free of charge, to any person
   obtaining a copy of this software and associated documentation files
diff --git a/savers/xdg-user-dir-lookup.h b/savers/xdg-user-dir-lookup.h
index 5078c7d..85eabda 100644
--- a/savers/xdg-user-dir-lookup.h
+++ b/savers/xdg-user-dir-lookup.h
@@ -3,6 +3,7 @@
   Its is under the MIT license, to encourage reuse by cut-and-paste.
 
   Copyright (c) 2007 Red Hat, inc
+  Copyright (C) 2012-2021 MATE Developers
 
   Permission is hereby granted, free of charge, to any person
   obtaining a copy of this software and associated documentation files
diff --git a/src/copy-theme-dialog.c b/src/copy-theme-dialog.c
index a4aaff5..229686c 100644
--- a/src/copy-theme-dialog.c
+++ b/src/copy-theme-dialog.c
@@ -1,5 +1,6 @@
 /* copy-theme-dialog.c
  * Copyright (C) 2008 John Millikin <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/copy-theme-dialog.h b/src/copy-theme-dialog.h
index 4f18546..c2d8ec8 100644
--- a/src/copy-theme-dialog.h
+++ b/src/copy-theme-dialog.h
@@ -1,5 +1,6 @@
 /* copy-theme-dialog.h
  * Copyright (C) 2008 John Millikin <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-auth-bsdauth.c b/src/gs-auth-bsdauth.c
index 3463974..9689b9f 100644
--- a/src/gs-auth-bsdauth.c
+++ b/src/gs-auth-bsdauth.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2006 William Jon McCann <[email protected]>
  * Copyright (c) 2009 Antoine Jacoutot <[email protected]>
  * Copyright (c) 2017 Robert Nagy <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
diff --git a/src/gs-auth-helper.c b/src/gs-auth-helper.c
index ea9aefe..acc6958 100644
--- a/src/gs-auth-helper.c
+++ b/src/gs-auth-helper.c
@@ -2,6 +2,7 @@
  *
  * written by Olaf Kirch <[email protected]>
  * xscreensaver, Copyright (c) 1993-2004 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
diff --git a/src/gs-auth-pam.c b/src/gs-auth-pam.c
index a4961b9..bad98af 100644
--- a/src/gs-auth-pam.c
+++ b/src/gs-auth-pam.c
@@ -4,6 +4,7 @@
  * Copyright (C) 2006 Ray Strode <[email protected]>
  * Copyright (C) 2003 Bill Nottingham <[email protected]>
  * Copyright (c) 1993-2003 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/gs-auth-pwent.c b/src/gs-auth-pwent.c
index a0c1d80..b954caa 100644
--- a/src/gs-auth-pwent.c
+++ b/src/gs-auth-pwent.c
@@ -2,6 +2,7 @@
  *
  * Copyright (c) 1993-1998 Jamie Zawinski <[email protected]>
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/gs-auth.h b/src/gs-auth.h
index 480a56a..ca5710f 100644
--- a/src/gs-auth.h
+++ b/src/gs-auth.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/gs-debug.c b/src/gs-debug.c
index 59f71f8..04a5c83 100644
--- a/src/gs-debug.c
+++ b/src/gs-debug.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-debug.h b/src/gs-debug.h
index 7bddd51..9f13ab3 100644
--- a/src/gs-debug.h
+++ b/src/gs-debug.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-fade.c b/src/gs-fade.c
index 4e4995b..960dbfa 100644
--- a/src/gs-fade.c
+++ b/src/gs-fade.c
@@ -2,6 +2,7 @@
  *
  * Copyright (C) 2004-2009 William Jon McCann <[email protected]>
  * Copyright (C) 2009      Red Hat, Inc.
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-fade.h b/src/gs-fade.h
index 83a8f4a..9ea5a72 100644
--- a/src/gs-fade.h
+++ b/src/gs-fade.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-grab-x11.c b/src/gs-grab-x11.c
index 689c519..cef6b15 100644
--- a/src/gs-grab-x11.c
+++ b/src/gs-grab-x11.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/gs-grab.h b/src/gs-grab.h
index 7c4086c..c0fe350 100644
--- a/src/gs-grab.h
+++ b/src/gs-grab.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-job.c b/src/gs-job.c
index 7d4c4be..057fcc9 100644
--- a/src/gs-job.c
+++ b/src/gs-job.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-job.h b/src/gs-job.h
index b154017..8dfa50d 100644
--- a/src/gs-job.h
+++ b/src/gs-job.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-listener-dbus.c b/src/gs-listener-dbus.c
index f14bb9f..21aa898 100644
--- a/src/gs-listener-dbus.c
+++ b/src/gs-listener-dbus.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-listener-dbus.h b/src/gs-listener-dbus.h
index 8f1192c..c264254 100644
--- a/src/gs-listener-dbus.h
+++ b/src/gs-listener-dbus.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-lock-plug.c b/src/gs-lock-plug.c
index 3283302..7d223c8 100644
--- a/src/gs-lock-plug.c
+++ b/src/gs-lock-plug.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-lock-plug.h b/src/gs-lock-plug.h
index 818c8e6..f4b30ab 100644
--- a/src/gs-lock-plug.h
+++ b/src/gs-lock-plug.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-manager.c b/src/gs-manager.c
index f1490d9..8b67846 100644
--- a/src/gs-manager.c
+++ b/src/gs-manager.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2008 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-manager.h b/src/gs-manager.h
index 4e537fe..73f93cd 100644
--- a/src/gs-manager.h
+++ b/src/gs-manager.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-monitor.c b/src/gs-monitor.c
index 7edf714..304126a 100644
--- a/src/gs-monitor.c
+++ b/src/gs-monitor.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-monitor.h b/src/gs-monitor.h
index de8053e..6796174 100644
--- a/src/gs-monitor.h
+++ b/src/gs-monitor.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-prefs.c b/src/gs-prefs.c
index 3c3c074..2599223 100644
--- a/src/gs-prefs.c
+++ b/src/gs-prefs.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-prefs.h b/src/gs-prefs.h
index 3b5957d..dd2cceb 100644
--- a/src/gs-prefs.h
+++ b/src/gs-prefs.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-theme-manager.c b/src/gs-theme-manager.c
index 15f1354..6033563 100644
--- a/src/gs-theme-manager.c
+++ b/src/gs-theme-manager.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-theme-manager.h b/src/gs-theme-manager.h
index 5c03189..a420cb9 100644
--- a/src/gs-theme-manager.h
+++ b/src/gs-theme-manager.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-visual-gl.c b/src/gs-visual-gl.c
index 2ba8fc3..03d6213 100644
--- a/src/gs-visual-gl.c
+++ b/src/gs-visual-gl.c
@@ -2,6 +2,7 @@
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
  * Copyright (C) 1999, 2000, 2003 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/gs-visual-gl.h b/src/gs-visual-gl.h
index 4b1493a..81a000d 100644
--- a/src/gs-visual-gl.h
+++ b/src/gs-visual-gl.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-watcher-x11.c b/src/gs-watcher-x11.c
index 58ea07e..418d15c 100644
--- a/src/gs-watcher-x11.c
+++ b/src/gs-watcher-x11.c
@@ -2,6 +2,7 @@
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
  * Copyright (C) 2008      Red Hat, Inc.
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-watcher.h b/src/gs-watcher.h
index e844fe1..ca48e3b 100644
--- a/src/gs-watcher.h
+++ b/src/gs-watcher.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-window-x11.c b/src/gs-window-x11.c
index b8df256..218a37e 100644
--- a/src/gs-window-x11.c
+++ b/src/gs-window-x11.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2008 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/gs-window.h b/src/gs-window.h
index 33bad7f..31631d4 100644
--- a/src/gs-window.h
+++ b/src/gs-window.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/mate-screensaver-command.c b/src/mate-screensaver-command.c
index 77cfd27..af78d89 100644
--- a/src/mate-screensaver-command.c
+++ b/src/mate-screensaver-command.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/mate-screensaver-dialog.c b/src/mate-screensaver-dialog.c
index 03ca5bf..d1dc21c 100644
--- a/src/mate-screensaver-dialog.c
+++ b/src/mate-screensaver-dialog.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/mate-screensaver-gl-helper.c b/src/mate-screensaver-gl-helper.c
index 472aefd..438dd60 100644
--- a/src/mate-screensaver-gl-helper.c
+++ b/src/mate-screensaver-gl-helper.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/mate-screensaver-preferences.c b/src/mate-screensaver-preferences.c
index 44e0c7b..3c7621a 100644
--- a/src/mate-screensaver-preferences.c
+++ b/src/mate-screensaver-preferences.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/mate-screensaver.c b/src/mate-screensaver.c
index 04add35..926dd68 100644
--- a/src/mate-screensaver.c
+++ b/src/mate-screensaver.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
  *
  * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/mate-screensaver.h b/src/mate-screensaver.h
index 2a5830a..55b2657 100644
--- a/src/mate-screensaver.h
+++ b/src/mate-screensaver.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2004-2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * 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/src/setuid.c b/src/setuid.c
index 0a065d9..b40e750 100644
--- a/src/setuid.c
+++ b/src/setuid.c
@@ -3,6 +3,7 @@
  * setuid.c --- management of runtime privileges.
  *
  * xscreensaver, Copyright (c) 1993-1998 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
diff --git a/src/setuid.h b/src/setuid.h
index 89b0b8e..8379478 100644
--- a/src/setuid.h
+++ b/src/setuid.h
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * xscreensaver, Copyright (c) 1993-2004 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
diff --git a/src/subprocs.c b/src/subprocs.c
index 757daf8..344f311 100644
--- a/src/subprocs.c
+++ b/src/subprocs.c
@@ -4,6 +4,7 @@
  *
  * xscreensaver, Copyright (c) 1991-2003 Jamie Zawinski <[email protected]>
  * Modified:     Copyright (c) 2004 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
diff --git a/src/subprocs.h b/src/subprocs.h
index a3acf22..b941082 100644
--- a/src/subprocs.h
+++ b/src/subprocs.h
@@ -3,6 +3,7 @@
  * subprocs.c --- choosing, spawning, and killing screenhacks.
  *
  * xscreensaver, Copyright (c) 1991-2003 Jamie Zawinski <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
diff --git a/src/test-fade.c b/src/test-fade.c
index 6a82d21..961998b 100644
--- a/src/test-fade.c
+++ b/src/test-fade.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/test-passwd.c b/src/test-passwd.c
index 9359fb1..a4313ad 100644
--- a/src/test-passwd.c
+++ b/src/test-passwd.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005-2006 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/test-watcher.c b/src/test-watcher.c
index 9b56063..e669c7d 100644
--- a/src/test-watcher.c
+++ b/src/test-watcher.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/test-window.c b/src/test-window.c
index 3233c36..399eb67 100644
--- a/src/test-window.c
+++ b/src/test-window.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2005 William Jon McCann <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as