Update copyright year to 2021

Run "TZ=UTC0 admin/update-copyright $(git ls-files)".

226 files changed, 226 insertions, 226 deletions

diff --git a/src/.gdbinit b/src/.gdbinit
index 30c7b055ce0..4eb6a330282 100644
--- a/src/.gdbinit
+++ b/src/.gdbinit
@@ -1,4 +1,4 @@
-# Copyright (C) 1992-1998, 2000-2020 Free Software Foundation, Inc.
+# Copyright (C) 1992-1998, 2000-2021 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/ChangeLog.1 b/src/ChangeLog.1
index 4ca7f90e7f7..3429aa4947b 100644
--- a/src/ChangeLog.1
+++ b/src/ChangeLog.1
@@ -3521,7 +3521,7 @@
         * minibuf.c: Don't allow entry to minibuffer
         while minibuffer is selected.
 
-    Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
+    Copyright (C) 1985-1986, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.10 b/src/ChangeLog.10
index 1c954b20eec..8845adb2c50 100644
--- a/src/ChangeLog.10
+++ b/src/ChangeLog.10
@@ -27912,7 +27912,7 @@ See ChangeLog.9 for earlier changes.
 ;; add-log-time-zone-rule: t
 ;; End:
 
-    Copyright (C) 2001-2020 Free Software Foundation, Inc.
+    Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.11 b/src/ChangeLog.11
index 2942d35561a..78f5599a4bd 100644
--- a/src/ChangeLog.11
+++ b/src/ChangeLog.11
@@ -31385,7 +31385,7 @@ See ChangeLog.10 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2007-2020 Free Software Foundation, Inc.
+  Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.12 b/src/ChangeLog.12
index 0397a495212..f0ed2222050 100644
--- a/src/ChangeLog.12
+++ b/src/ChangeLog.12
@@ -22936,7 +22936,7 @@ See ChangeLog.11 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2011-2020 Free Software Foundation, Inc.
+  Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.13 b/src/ChangeLog.13
index 791de9a6a8b..79714518cf4 100644
--- a/src/ChangeLog.13
+++ b/src/ChangeLog.13
@@ -17905,7 +17905,7 @@ See ChangeLog.12 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2011-2020 Free Software Foundation, Inc.
+  Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.2 b/src/ChangeLog.2
index a499350253e..44c575c564e 100644
--- a/src/ChangeLog.2
+++ b/src/ChangeLog.2
@@ -4771,7 +4771,7 @@
 
 See ChangeLog.1 for earlier changes.
 
-    Copyright (C) 1986-1988, 2001-2020 Free Software Foundation, Inc.
+    Copyright (C) 1986-1988, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.3 b/src/ChangeLog.3
index 973251859c1..b990ae17703 100644
--- a/src/ChangeLog.3
+++ b/src/ChangeLog.3
@@ -16503,7 +16503,7 @@ See ChangeLog.2 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.4 b/src/ChangeLog.4
index cc8d22ceeb1..f34e4cb0f5e 100644
--- a/src/ChangeLog.4
+++ b/src/ChangeLog.4
@@ -6906,7 +6906,7 @@ See ChangeLog.3 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.5 b/src/ChangeLog.5
index 56bfb9f9eff..af0f6b9c388 100644
--- a/src/ChangeLog.5
+++ b/src/ChangeLog.5
@@ -7148,7 +7148,7 @@ See ChangeLog.4 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1994-1995, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1994-1995, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.6 b/src/ChangeLog.6
index 391d5fb8a52..709148569ed 100644
--- a/src/ChangeLog.6
+++ b/src/ChangeLog.6
@@ -5358,7 +5358,7 @@ See ChangeLog.5 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1995-1996, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1995-1996, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.7 b/src/ChangeLog.7
index bb3e1997ec7..7e9a085e505 100644
--- a/src/ChangeLog.7
+++ b/src/ChangeLog.7
@@ -11091,7 +11091,7 @@ See ChangeLog.6 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1997-1998, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1997-1998, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.8 b/src/ChangeLog.8
index 17522e450f0..c6f09172c2f 100644
--- a/src/ChangeLog.8
+++ b/src/ChangeLog.8
@@ -13979,7 +13979,7 @@
 
 See ChangeLog.7 for earlier changes.
 
-  Copyright (C) 1999, 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 1999, 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.9 b/src/ChangeLog.9
index 9f12748fbeb..0264eb6863b 100644
--- a/src/ChangeLog.9
+++ b/src/ChangeLog.9
@@ -13294,7 +13294,7 @@ See ChangeLog.8 for earlier changes.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2001-2020 Free Software Foundation, Inc.
+  Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/Makefile.in b/src/Makefile.in
index eb6d2f0e91e..39fd7085640 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2020 Free Software
+# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2021 Free Software
 # Foundation, Inc.
 
 # This file is part of GNU Emacs.
diff --git a/src/README b/src/README
index fbebf6b95f5..1f42449eddc 100644
--- a/src/README
+++ b/src/README
@@ -1,4 +1,4 @@
-Copyright (C) 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 2001-2021 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
diff --git a/src/alloc.c b/src/alloc.c
index 568fee666fe..ebd99b9f65b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1,6 +1,6 @@
 /* Storage allocation and gc for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
+Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/atimer.c b/src/atimer.c
index a7daf9dcf5b..9b198675ab4 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/atimer.h b/src/atimer.h
index 660d77c9392..e3e283a75c0 100644
--- a/src/atimer.h
+++ b/src/atimer.h
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bidi.c b/src/bidi.c
index 77e92c302f3..60630c82c13 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -1,6 +1,6 @@
 /* Low-level bidirectional buffer/string-scanning functions for GNU Emacs.
 
-Copyright (C) 2000-2001, 2004-2005, 2009-2020 Free Software Foundation,
+Copyright (C) 2000-2001, 2004-2005, 2009-2021 Free Software Foundation,
 Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
diff --git a/src/bignum.c b/src/bignum.c
index 51d90ffaefa..0dd18fcff73 100644
--- a/src/bignum.c
+++ b/src/bignum.c
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2020 Free Software Foundation, Inc.
+Copyright 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bignum.h b/src/bignum.h
index 0c2541a9dc7..e14f7be99eb 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2020 Free Software Foundation, Inc.
+Copyright 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/blockinput.h b/src/blockinput.h
index f94e62dd461..8e4657b27c7 100644
--- a/src/blockinput.h
+++ b/src/blockinput.h
@@ -1,5 +1,5 @@
 /* blockinput.h - interface to blocking complicated interrupt-driven input.
-   Copyright (C) 1989, 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/buffer.c b/src/buffer.c
index f252f3d7ebf..a60327bb6ca 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1,6 +1,6 @@
 /* Buffer manipulation primitives for GNU Emacs.
 
-Copyright (C) 1985-1989, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/buffer.h b/src/buffer.h
index fd05fdd37de..9e0d9121b50 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -1,6 +1,6 @@
 /* Header file for the buffer manipulation primitives.
 
-Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/bytecode.c b/src/bytecode.c
index 9e75c9012e0..e169a906f98 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -1,5 +1,5 @@
 /* Execution of byte code produced by bytecomp.el.
-   Copyright (C) 1985-1988, 1993, 2000-2020 Free Software Foundation,
+   Copyright (C) 1985-1988, 1993, 2000-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callint.c b/src/callint.c
index eb916353a0c..051d21801a5 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -1,5 +1,5 @@
 /* Call a Lisp function interactively.
-   Copyright (C) 1985-1986, 1993-1995, 1997, 2000-2020 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997, 2000-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callproc.c b/src/callproc.c
index 8883415f3f5..5b1d8bfb765 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1,6 +1,6 @@
 /* Synchronous subprocess invocation for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-1995, 1999-2020 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1999-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casefiddle.c b/src/casefiddle.c
index 1945aa15e71..3bed33d044f 100644
--- a/src/casefiddle.c
+++ b/src/casefiddle.c
@@ -1,7 +1,7 @@
 /* -*- coding: utf-8 -*- */
 /* GNU Emacs case conversion functions.
 
-Copyright (C) 1985, 1994, 1997-1999, 2001-2020 Free Software Foundation,
+Copyright (C) 1985, 1994, 1997-1999, 2001-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casetab.c b/src/casetab.c
index 07cda36d95d..4699857cb8a 100644
--- a/src/casetab.c
+++ b/src/casetab.c
@@ -1,5 +1,5 @@
 /* GNU Emacs routines to deal with case tables.
-   Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
 Author: Howard Gayle
 
diff --git a/src/category.c b/src/category.c
index c80571ecd4f..ec8f61f7f00 100644
--- a/src/category.c
+++ b/src/category.c
@@ -1,6 +1,6 @@
 /* GNU Emacs routines to deal with category tables.
 
-Copyright (C) 1998, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1998, 2001-2021 Free Software Foundation, Inc.
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/ccl.c b/src/ccl.c
index ac44dc1f608..af101bb2739 100644
--- a/src/ccl.c
+++ b/src/ccl.c
@@ -1,5 +1,5 @@
 /* CCL (Code Conversion Language) interpreter.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/character.c b/src/character.c
index 97065e17f01..9300c2bce49 100644
--- a/src/character.c
+++ b/src/character.c
@@ -1,6 +1,6 @@
 /* Basic character support.
 
-Copyright (C) 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 2001-2021 Free Software Foundation, Inc.
 Copyright (C) 1995, 1997, 1998, 2001 Electrotechnical Laboratory, JAPAN.
   Licensed to the Free Software Foundation.
 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
diff --git a/src/charset.c b/src/charset.c
index 719518642ce..355de0ca37f 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1,6 +1,6 @@
 /* Basic character set support.
 
-Copyright (C) 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
diff --git a/src/charset.h b/src/charset.h
index 62b28e6c8f0..97122d82a65 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -1,5 +1,5 @@
 /* Header for charset handler.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/cm.c b/src/cm.c
index dc5a5a34eb7..fe81ca869e0 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -1,5 +1,5 @@
 /* Cursor motion subroutines for GNU Emacs.
-   Copyright (C) 1985, 1995, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1995, 2001-2021 Free Software Foundation, Inc.
     based primarily on public domain code written by Chris Torek
 
 This file is part of GNU Emacs.
diff --git a/src/cm.h b/src/cm.h
index 11d0b2b4b33..9bea33299ce 100644
--- a/src/cm.h
+++ b/src/cm.h
@@ -1,5 +1,5 @@
 /* Cursor motion calculation definitions for GNU Emacs
-   Copyright (C) 1985, 1989, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1989, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cmds.c b/src/cmds.c
index 9914b7a01f7..102135359fb 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -1,6 +1,6 @@
 /* Simple built-in editing commands.
 
-Copyright (C) 1985, 1993-1998, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1998, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/coding.c b/src/coding.c
index ed755b1afcf..6f9676d8cc7 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1,5 +1,5 @@
 /* Coding system handler (conversion, detection, etc).
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/coding.h b/src/coding.h
index 91856c5702b..278eb8f6517 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -1,5 +1,5 @@
 /* Header for coding system handler.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/commands.h b/src/commands.h
index 81e9b7e4da9..a09858d050d 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -1,5 +1,5 @@
 /* Definitions needed by most editing commands.
-   Copyright (C) 1985, 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/composite.c b/src/composite.c
index bbb36dcbfa2..cfe54b7e988 100644
--- a/src/composite.c
+++ b/src/composite.c
@@ -1,5 +1,5 @@
 /* Composite sequence support.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H14PRO021
diff --git a/src/composite.h b/src/composite.h
index 62c4de40e3b..1b346b4cdfe 100644
--- a/src/composite.h
+++ b/src/composite.h
@@ -1,5 +1,5 @@
 /* Header for composite sequence handler.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H14PRO021
diff --git a/src/conf_post.h b/src/conf_post.h
index 2f8d19fdca8..cef62e4cd06 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -1,6 +1,6 @@
 /* conf_post.h --- configure.ac includes this via AH_BOTTOM
 
-Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2020 Free Software
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/cygw32.c b/src/cygw32.c
index d402669ec14..b11d94d3a62 100644
--- a/src/cygw32.c
+++ b/src/cygw32.c
@@ -1,5 +1,5 @@
 /* Cygwin support routines.
-   Copyright (C) 2011-2020 Free Software Foundation, Inc.
+   Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cygw32.h b/src/cygw32.h
index 647211b3209..19cb77539bb 100644
--- a/src/cygw32.h
+++ b/src/cygw32.h
@@ -1,5 +1,5 @@
 /* Header for Cygwin support routines.
-   Copyright (C) 2011-2020 Free Software Foundation, Inc.
+   Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/data.c b/src/data.c
index 0f3ac8c6571..2706a2474e6 100644
--- a/src/data.c
+++ b/src/data.c
@@ -1,5 +1,5 @@
 /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
-   Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
+   Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dbusbind.c b/src/dbusbind.c
index f6a0879e6a9..a666bcc2959 100644
--- a/src/dbusbind.c
+++ b/src/dbusbind.c
@@ -1,5 +1,5 @@
 /* Elisp bindings for D-Bus.
-   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+   Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/decompress.c b/src/decompress.c
index 8e8f2443111..48392499eaf 100644
--- a/src/decompress.c
+++ b/src/decompress.c
@@ -1,5 +1,5 @@
 /* Interface to zlib.
-   Copyright (C) 2013-2020 Free Software Foundation, Inc.
+   Copyright (C) 2013-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/deps.mk b/src/deps.mk
index a7e1b559173..f242c1649ce 100644
--- a/src/deps.mk
+++ b/src/deps.mk
@@ -1,6 +1,6 @@
 ### deps.mk --- src/Makefile fragment for GNU Emacs
 
-## Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2020 Free Software
+## Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2021 Free Software
 ## Foundation, Inc.
 
 ## This file is part of GNU Emacs.
diff --git a/src/dired.c b/src/dired.c
index 611477aa4ef..dbf93a91831 100644
--- a/src/dired.c
+++ b/src/dired.c
@@ -1,5 +1,5 @@
 /* Lisp functions for making directory listings.
-   Copyright (C) 1985-1986, 1993-1994, 1999-2020 Free Software
+   Copyright (C) 1985-1986, 1993-1994, 1999-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dispextern.h b/src/dispextern.h
index 44556276ff5..f772590c872 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -1,6 +1,6 @@
 /* Interface definitions for display code.
 
-Copyright (C) 1985, 1993-1994, 1997-2020 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1994, 1997-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dispnew.c b/src/dispnew.c
index 7822829d648..991a20b7383 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -1,6 +1,6 @@
 /* Updating of data structures for redisplay.
 
-Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/disptab.h b/src/disptab.h
index d5453474d95..adf411b805d 100644
--- a/src/disptab.h
+++ b/src/disptab.h
@@ -1,5 +1,5 @@
 /* Things for GLYPHS and glyph tables.
-   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dmpstruct.awk b/src/dmpstruct.awk
index a25bcf6f404..c7b93da3bcb 100644
--- a/src/dmpstruct.awk
+++ b/src/dmpstruct.awk
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2020 Free Software Foundation, Inc.
+# Copyright (C) 2018-2021 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/doc.c b/src/doc.c
index 285c0dbbbee..960900bdc0f 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -1,6 +1,6 @@
 /* Record indices of function doc strings stored in a file. -*- coding: utf-8 -*-
 
-Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/doprnt.c b/src/doprnt.c
index b0ba12552bc..7c5c43e6298 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -1,7 +1,7 @@
 /* Output like sprintf to a buffer of specified size.    -*- coding: utf-8 -*-
    Also takes args differently: pass one pointer to the end
    of the format string in addition to the format string itself.
-   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dosfns.c b/src/dosfns.c
index 7a6605dece6..10023c8c7f1 100644
--- a/src/dosfns.c
+++ b/src/dosfns.c
@@ -1,6 +1,6 @@
 /* MS-DOS specific Lisp utilities.  Coded by Manabu Higashida, 1991.
    Major changes May-July 1993 Morten Welinder (only 10% original code left)
-   Copyright (C) 1991, 1993, 1996-1998, 2001-2020 Free Software
+   Copyright (C) 1991, 1993, 1996-1998, 2001-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dosfns.h b/src/dosfns.h
index bae199b6f6c..6ad2a034707 100644
--- a/src/dosfns.h
+++ b/src/dosfns.h
@@ -2,7 +2,7 @@
    Coded by Manabu Higashida, 1991.
    Modified by Morten Welinder, 1993-1994.
 
-Copyright (C) 1991, 1994-1995, 1997, 1999, 2001-2020 Free Software
+Copyright (C) 1991, 1994-1995, 1997, 1999, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dynlib.c b/src/dynlib.c
index 4919d5cc726..86f8b7e2063 100644
--- a/src/dynlib.c
+++ b/src/dynlib.c
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2020 Free Software Foundation, Inc.
+Copyright 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dynlib.h b/src/dynlib.h
index cb3454b5563..e20d8891a23 100644
--- a/src/dynlib.h
+++ b/src/dynlib.h
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2020 Free Software Foundation, Inc.
+Copyright 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/editfns.c b/src/editfns.c
index fb420dac7fa..255537cdc6d 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1,6 +1,6 @@
 /* Lisp functions pertaining to editing.                 -*- coding: utf-8 -*-
 
-Copyright (C) 1985-1987, 1989, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1989, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs-icon.h b/src/emacs-icon.h
index c3fd7f3ce28..87790bbc29e 100644
--- a/src/emacs-icon.h
+++ b/src/emacs-icon.h
@@ -1,7 +1,7 @@
 /* XPM */
 /* Emacs icon
 
-Copyright (C) 2008-2020 Free Software Foundation, Inc.
+Copyright (C) 2008-2021 Free Software Foundation, Inc.
 
 Author: Kentaro Ohkouchi <nanasess@fsm.ne.jp>
         Nicolas Petton <nicolas@petton.fr>
diff --git a/src/emacs-module.c b/src/emacs-module.c
index a90a9765dbf..37f1084d88b 100644
--- a/src/emacs-module.c
+++ b/src/emacs-module.c
@@ -1,6 +1,6 @@
 /* emacs-module.c - Module loading and runtime implementation
 
-Copyright (C) 2015-2020 Free Software Foundation, Inc.
+Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs-module.h.in b/src/emacs-module.h.in
index 898021dc5e6..4e73e2009cb 100644
--- a/src/emacs-module.h.in
+++ b/src/emacs-module.h.in
@@ -1,6 +1,6 @@
 /* emacs-module.h - GNU Emacs module API.
 
-Copyright (C) 2015-2020 Free Software Foundation, Inc.
+Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs.c b/src/emacs.c
index 3836f179abc..f2e858f13bb 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -1,6 +1,6 @@
 /* Fully extensible Emacs, running on Unix, intended for GNU.
 
-Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2020 Free Software
+Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/emacsgtkfixed.c b/src/emacsgtkfixed.c
index ea9465d5536..996ded2acaa 100644
--- a/src/emacsgtkfixed.c
+++ b/src/emacsgtkfixed.c
@@ -1,7 +1,7 @@
 /* A Gtk Widget that inherits GtkFixed, but can be shrunk.
 This file is only use when compiling with Gtk+ 3.
 
-Copyright (C) 2011-2020 Free Software Foundation, Inc.
+Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacsgtkfixed.h b/src/emacsgtkfixed.h
index b230a4d4d8a..78879764d86 100644
--- a/src/emacsgtkfixed.h
+++ b/src/emacsgtkfixed.h
@@ -1,7 +1,7 @@
 /* A Gtk Widget that inherits GtkFixed, but can be shrunk.
 This file is only use when compiling with Gtk+ 3.
 
-Copyright (C) 2011-2020 Free Software Foundation, Inc.
+Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/epaths.in b/src/epaths.in
index 3cadd160ecf..1de1e05f253 100644
--- a/src/epaths.in
+++ b/src/epaths.in
@@ -1,6 +1,6 @@
 /* Hey Emacs, this is -*- C -*- code!  */
 /*
-Copyright (C) 1993, 1995, 1997, 1999, 2001-2020 Free Software
+Copyright (C) 1993, 1995, 1997, 1999, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/eval.c b/src/eval.c
index 16c36fa284c..c86e84636db 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1,6 +1,6 @@
 /* Evaluator for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1985-1987, 1993-1995, 1999-2020 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1999-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/fileio.c b/src/fileio.c
index 482f88627a5..eab268f8444 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1,6 +1,6 @@
 /* File IO for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1985-1988, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/filelock.c b/src/filelock.c
index b28f16e9b5a..f7f536022c6 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -1,6 +1,6 @@
 /* Lock files for editing.
 
-Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2020 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2021 Free Software
 Foundation, Inc.
 
 Author: Richard King
diff --git a/src/firstfile.c b/src/firstfile.c
index 9dc70df9d3c..2733e1b5d64 100644
--- a/src/firstfile.c
+++ b/src/firstfile.c
@@ -1,5 +1,5 @@
 /* Mark beginning of data space to dump as pure, for GNU Emacs.
-   Copyright (C) 1997, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/floatfns.c b/src/floatfns.c
index 235e3b4cdfe..aadae4fd9d6 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -1,6 +1,6 @@
 /* Primitive operations on floating point for GNU Emacs Lisp interpreter.
 
-Copyright (C) 1988, 1993-1994, 1999, 2001-2020 Free Software Foundation,
+Copyright (C) 1988, 1993-1994, 1999, 2001-2021 Free Software Foundation,
 Inc.
 
 Author: Wolfgang Rupprecht (according to ack.texi)
diff --git a/src/fns.c b/src/fns.c
index 392196e2c7a..0bd6f8b6e5b 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -1,6 +1,6 @@
 /* Random utility Lisp functions.
 
-Copyright (C) 1985-1987, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/font.c b/src/font.c
index b71eae6c319..b6a778eaa04 100644
--- a/src/font.c
+++ b/src/font.c
@@ -1,6 +1,6 @@
 /* font.c -- "Font" primitives.
 
-Copyright (C) 2006-2020 Free Software Foundation, Inc.
+Copyright (C) 2006-2021 Free Software Foundation, Inc.
 Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
   Registration Number H13PRO009
diff --git a/src/font.h b/src/font.h
index 6f4792afe55..93dc85b3ee1 100644
--- a/src/font.h
+++ b/src/font.h
@@ -1,5 +1,5 @@
 /* font.h -- Interface definition for font handling.
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/fontset.c b/src/fontset.c
index c2bb8b21f26..9c706a1846d 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -1,6 +1,6 @@
 /* Fontset handler.
 
-Copyright (C) 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 2001-2021 Free Software Foundation, Inc.
 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011
   National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/fontset.h b/src/fontset.h
index f8a6b1d62d2..42cca50d381 100644
--- a/src/fontset.h
+++ b/src/fontset.h
@@ -1,5 +1,5 @@
 /* Header for fontset handler.
-   Copyright (C) 1998, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2001-2021 Free Software Foundation, Inc.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      2005, 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
diff --git a/src/frame.c b/src/frame.c
index 16f6d6c4607..289abe2f79a 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1,6 +1,6 @@
 /* Generic frame functions.
 
-Copyright (C) 1993-1995, 1997, 1999-2020 Free Software Foundation, Inc.
+Copyright (C) 1993-1995, 1997, 1999-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/frame.h b/src/frame.h
index a54b8623e50..bfe04b276af 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1,5 +1,5 @@
 /* Define frame-object for GNU Emacs.
-   Copyright (C) 1993-1994, 1999-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 1999-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/fringe.c b/src/fringe.c
index 2a46e3c34f2..2f0d360567b 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -1,5 +1,5 @@
 /* Fringe handling (split from xdisp.c).
-   Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1997-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/ftcrfont.c b/src/ftcrfont.c
index c5dfa099745..ddd3cc9be64 100644
--- a/src/ftcrfont.c
+++ b/src/ftcrfont.c
@@ -1,5 +1,5 @@
 /* ftcrfont.c -- FreeType font driver on cairo.
-   Copyright (C) 2015-2020 Free Software Foundation, Inc.
+   Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ftfont.c b/src/ftfont.c
index 6b549c3ddf2..77ceebde41c 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -1,5 +1,5 @@
 /* ftfont.c -- FreeType font driver.
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/ftxfont.c b/src/ftxfont.c
index 9bbb2c064c2..2a991c715dc 100644
--- a/src/ftxfont.c
+++ b/src/ftxfont.c
@@ -1,5 +1,5 @@
 /* ftxfont.c -- FreeType font driver on X (without using XFT).
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/getpagesize.h b/src/getpagesize.h
index f033d9739d1..ec497d04040 100644
--- a/src/getpagesize.h
+++ b/src/getpagesize.h
@@ -1,5 +1,5 @@
 /* Emulate getpagesize on systems that lack it.
-   Copyright (C) 1986, 1992, 1995, 2001-2020 Free Software Foundation,
+   Copyright (C) 1986, 1992, 1995, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/gfilenotify.c b/src/gfilenotify.c
index d083afc2fca..4da61569435 100644
--- a/src/gfilenotify.c
+++ b/src/gfilenotify.c
@@ -1,5 +1,5 @@
 /* Filesystem notifications support with glib API.
-   Copyright (C) 2013-2020 Free Software Foundation, Inc.
+   Copyright (C) 2013-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gmalloc.c b/src/gmalloc.c
index 8450a639e77..00a5a273ab5 100644
--- a/src/gmalloc.c
+++ b/src/gmalloc.c
@@ -1,5 +1,5 @@
 /* Declarations for `malloc' and friends.
-   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2020 Free
+   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2021 Free
    Software Foundation, Inc.
                   Written May 1989 by Mike Haertel.
 
diff --git a/src/gnutls.c b/src/gnutls.c
index 70176c41cdd..74162dc1a9f 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gnutls.h b/src/gnutls.h
index 5f4ad603476..5fa08f8b129 100644
--- a/src/gnutls.h
+++ b/src/gnutls.h
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.c b/src/gtkutil.c
index df537c515a2..d824601be55 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1,6 +1,6 @@
 /* Functions for creating and updating GTK widgets.
 
-Copyright (C) 2003-2020 Free Software Foundation, Inc.
+Copyright (C) 2003-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.h b/src/gtkutil.h
index 5419167cd78..31a12cd5d3c 100644
--- a/src/gtkutil.h
+++ b/src/gtkutil.h
@@ -1,6 +1,6 @@
 /* Definitions and headers for GTK widgets.
 
-Copyright (C) 2003-2020 Free Software Foundation, Inc.
+Copyright (C) 2003-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/hbfont.c b/src/hbfont.c
index 4b3f64ef504..0c734365ce9 100644
--- a/src/hbfont.c
+++ b/src/hbfont.c
@@ -1,5 +1,5 @@
 /* hbfont.c -- Platform-independent support for HarfBuzz font driver.
-   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/image.c b/src/image.c
index 7beb135f65c..cd095e0e659 100644
--- a/src/image.c
+++ b/src/image.c
@@ -1,6 +1,6 @@
 /* Functions for image support on window system.
 
-Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/indent.c b/src/indent.c
index 939e5931db0..bf539047026 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -1,5 +1,5 @@
 /* Indentation functions.
-   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2020 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/indent.h b/src/indent.h
index 6058429ede5..776fe7ba4b9 100644
--- a/src/indent.h
+++ b/src/indent.h
@@ -1,5 +1,5 @@
 /* Definitions for interface to indent.c
-   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/inotify.c b/src/inotify.c
index 549a82b4013..df6145d7025 100644
--- a/src/inotify.c
+++ b/src/inotify.c
@@ -1,6 +1,6 @@
 /* Inotify support for Emacs
 
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/insdel.c b/src/insdel.c
index dfa1cc311ca..22bfd30c255 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -1,5 +1,5 @@
 /* Buffer insertion/deletion and gap motion for GNU Emacs. -*- coding: utf-8 -*-
-   Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.c b/src/intervals.c
index 585ef18bd2e..d102d809737 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -1,5 +1,5 @@
 /* Code for doing intervals.
-   Copyright (C) 1993-1995, 1997-1998, 2001-2020 Free Software
+   Copyright (C) 1993-1995, 1997-1998, 2001-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.h b/src/intervals.h
index a93b10e9fff..1b2c5196e91 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -1,5 +1,5 @@
 /* Definitions and global variables for intervals.
-   Copyright (C) 1993-1994, 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/json.c b/src/json.c
index 4648cb4c3b7..0181780935d 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1,6 +1,6 @@
 /* JSON parsing and serialization.
 
-Copyright (C) 2017-2020 Free Software Foundation, Inc.
+Copyright (C) 2017-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/keyboard.c b/src/keyboard.c
index fca71985b92..d142d4c1979 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -1,6 +1,6 @@
 /* Keyboard and mouse input; editor command loop.
 
-Copyright (C) 1985-1989, 1993-1997, 1999-2020 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1997, 1999-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keyboard.h b/src/keyboard.h
index 41da3a6bf44..180e6c703d7 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -1,5 +1,5 @@
 /* Declarations useful when processing input.
-   Copyright (C) 1985-1987, 1993, 2001-2020 Free Software Foundation,
+   Copyright (C) 1985-1987, 1993, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.c b/src/keymap.c
index cfba98c72f2..120071ff291 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1,5 +1,5 @@
 /* Manipulation of keymaps
-   Copyright (C) 1985-1988, 1993-1995, 1998-2020 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.h b/src/keymap.h
index 3ef48fb748e..53496b00062 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate keymaps.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/kqueue.c b/src/kqueue.c
index adbb8d92c0b..8a1d0c99879 100644
--- a/src/kqueue.c
+++ b/src/kqueue.c
@@ -1,6 +1,6 @@
 /* Filesystem notifications support with kqueue API.
 
-Copyright (C) 2015-2020 Free Software Foundation, Inc.
+Copyright (C) 2015-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lastfile.c b/src/lastfile.c
index 7ddfe23d3dd..7df6cf10b12 100644
--- a/src/lastfile.c
+++ b/src/lastfile.c
@@ -1,5 +1,5 @@
 /* Mark end of data space to dump as pure, for GNU Emacs.
-   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lcms.c b/src/lcms.c
index a74c5539860..27df7228b59 100644
--- a/src/lcms.c
+++ b/src/lcms.c
@@ -1,5 +1,5 @@
 /* Interface to Little CMS
-   Copyright (C) 2017-2020 Free Software Foundation, Inc.
+   Copyright (C) 2017-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lisp.h b/src/lisp.h
index 39fbf12f95e..7f015da0fee 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -1,6 +1,6 @@
 /* Fundamental definitions for GNU Emacs Lisp interpreter. -*- coding: utf-8 -*-
 
-Copyright (C) 1985-1987, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/lread.c b/src/lread.c
index f9a8cb3e1a0..47116ad5ae7 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1,6 +1,6 @@
 /* Lisp parsing and input streams.
 
-Copyright (C) 1985-1989, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/macfont.h b/src/macfont.h
index 1341030f353..0ec11f513c0 100644
--- a/src/macfont.h
+++ b/src/macfont.h
@@ -1,5 +1,5 @@
 /* Interface definition for macOS Core text font backend.
-   Copyright (C) 2009-2020 Free Software Foundation, Inc.
+   Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macfont.m b/src/macfont.m
index c589b6685eb..0c552e1c1d8 100644
--- a/src/macfont.m
+++ b/src/macfont.m
@@ -1,5 +1,5 @@
 /* Font driver on macOS Core text.
-   Copyright (C) 2009-2020 Free Software Foundation, Inc.
+   Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.c b/src/macros.c
index 6006c863729..c8ce94e63b1 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -1,6 +1,6 @@
 /* Keyboard macros.
 
-Copyright (C) 1985-1986, 1993, 2000-2020 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.h b/src/macros.h
index d1d516bd837..23167a0763d 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -1,5 +1,5 @@
 /* Definitions for keyboard macro interpretation in GNU Emacs.
-   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/marker.c b/src/marker.c
index 684b7509c51..e8103473d65 100644
--- a/src/marker.c
+++ b/src/marker.c
@@ -1,5 +1,5 @@
 /* Markers: examining, setting and deleting.
-   Copyright (C) 1985, 1997-1998, 2001-2020 Free Software Foundation,
+   Copyright (C) 1985, 1997-1998, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.c b/src/menu.c
index 28bfcae05d6..693986bec7d 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1,6 +1,6 @@
 /* Platform-independent code for terminal communications.
 
-Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2020 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.h b/src/menu.h
index 44749ade75a..6c67ab20bb0 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate menus.
-   Copyright (C) 2008-2020 Free Software Foundation, Inc.
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/mini-gmp-emacs.c b/src/mini-gmp-emacs.c
index b8399b075e0..943664a5aeb 100644
--- a/src/mini-gmp-emacs.c
+++ b/src/mini-gmp-emacs.c
@@ -1,6 +1,6 @@
 /* Tailor mini-gmp.c for GNU Emacs
 
-Copyright 2018-2020 Free Software Foundation, Inc.
+Copyright 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/minibuf.c b/src/minibuf.c
index 135655064a3..552e6e022e7 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1,6 +1,6 @@
 /* Minibuffer input and completion.
 
-Copyright (C) 1985-1986, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.c b/src/msdos.c
index 6a89178a6e9..c710ce1c5db 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -1,6 +1,6 @@
 /* MS-DOS specific C utilities.          -*- coding: cp850 -*-
 
-Copyright (C) 1993-1997, 1999-2020 Free Software Foundation, Inc.
+Copyright (C) 1993-1997, 1999-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.h b/src/msdos.h
index e08195ca6ad..f7d3b0d7029 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -1,5 +1,5 @@
 /* MS-DOS specific C utilities, interface.
-   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsfns.m b/src/nsfns.m
index 0f879fe390c..5a9ad18a12f 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -1,6 +1,6 @@
 /* Functions for the NeXT/Open/GNUstep and macOS window system.
 
-Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020 Free Software
+Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsfont.m b/src/nsfont.m
index 9bec3691786..61a30a9ef75 100644
--- a/src/nsfont.m
+++ b/src/nsfont.m
@@ -1,6 +1,6 @@
 /* Font back-end driver for the NeXT/Open/GNUstep and macOS window system.
    See font.h
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsgui.h b/src/nsgui.h
index 0536ef0c0a9..e4038d32267 100644
--- a/src/nsgui.h
+++ b/src/nsgui.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the NeXT/Open/GNUstep API.
-   Copyright (C) 1995, 2005, 2008-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2005, 2008-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsimage.m b/src/nsimage.m
index fa1e98b8848..a375aa1dfcb 100644
--- a/src/nsimage.m
+++ b/src/nsimage.m
@@ -1,5 +1,5 @@
 /* Image support for the NeXT/Open/GNUstep and macOS window system.
-   Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020 Free Software
+   Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsmenu.m b/src/nsmenu.m
index 67f9a45a401..cab57821c9f 100644
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -1,5 +1,5 @@
 /* NeXT/Open/GNUstep and macOS Cocoa menu and toolbar module.
-   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+   Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsselect.m b/src/nsselect.m
index 38ac66e9c7b..abd58166b1f 100644
--- a/src/nsselect.m
+++ b/src/nsselect.m
@@ -1,5 +1,5 @@
 /* NeXT/Open/GNUstep / macOS Cocoa selection processing for emacs.
-   Copyright (C) 1993-1994, 2005-2006, 2008-2020 Free Software
+   Copyright (C) 1993-1994, 2005-2006, 2008-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.h b/src/nsterm.h
index f68c3246a70..0c431808fc2 100644
--- a/src/nsterm.h
+++ b/src/nsterm.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
-   Copyright (C) 1989, 1993, 2005, 2008-2020 Free Software Foundation,
+   Copyright (C) 1989, 1993, 2005, 2008-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.m b/src/nsterm.m
index af06968d088..b75c6c7ef56 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1,6 +1,6 @@
 /* NeXT/Open/GNUstep / macOS communication module.      -*- coding: utf-8 -*-
 
-Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2020 Free Software
+Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/pdumper.c b/src/pdumper.c
index 3ee11460405..96f9c13b068 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2018-2020 Free Software Foundation, Inc.
+/* Copyright (C) 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pdumper.h b/src/pdumper.h
index 6a99b511f2f..d36bc766e74 100644
--- a/src/pdumper.h
+++ b/src/pdumper.h
@@ -1,6 +1,6 @@
 /* Header file for the portable dumper.
 
-Copyright (C) 2016, 2018-2020 Free Software Foundation, Inc.
+Copyright (C) 2016, 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/print.c b/src/print.c
index 425b0dc4ee3..f61155ea263 100644
--- a/src/print.c
+++ b/src/print.c
@@ -1,6 +1,6 @@
 /* Lisp object printing and output streams.
 
-Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
+Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/process.c b/src/process.c
index 27808848972..1bfbf38f6ba 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1,6 +1,6 @@
 /* Asynchronous subprocess control for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2020 Free Software
+Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/process.h b/src/process.h
index 7884efc5494..1d3797cab4f 100644
--- a/src/process.h
+++ b/src/process.h
@@ -1,5 +1,5 @@
 /* Definitions for asynchronous process control in GNU Emacs.
-   Copyright (C) 1985, 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/profiler.c b/src/profiler.c
index 9d2e828f221..21ae2447aa4 100644
--- a/src/profiler.c
+++ b/src/profiler.c
@@ -1,6 +1,6 @@
 /* Profiler implementation.
 
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ptr-bounds.h b/src/ptr-bounds.h
index 22d49f25b6c..db887242d7b 100644
--- a/src/ptr-bounds.h
+++ b/src/ptr-bounds.h
@@ -1,6 +1,6 @@
 /* Pointer bounds checking for GNU Emacs
 
-Copyright 2017-2020 Free Software Foundation, Inc.
+Copyright 2017-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/puresize.h b/src/puresize.h
index 7611f6e53f4..811d0b4d369 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -1,5 +1,5 @@
 /* How much read-only Lisp storage a dumped Emacs needs.
-   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ralloc.c b/src/ralloc.c
index a7cac137329..02689265f2e 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -1,5 +1,5 @@
 /* Block-relocating memory allocator.
-   Copyright (C) 1993, 1995, 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/regex-emacs.c b/src/regex-emacs.c
index 5e23fc94e4f..6129d2c854b 100644
--- a/src/regex-emacs.c
+++ b/src/regex-emacs.c
@@ -1,6 +1,6 @@
 /* Emacs regular expression matching and search
 
-   Copyright (C) 1993-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-2021 Free Software Foundation, Inc.
 
    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/regex-emacs.h b/src/regex-emacs.h
index 354408bb2a7..027ab655580 100644
--- a/src/regex-emacs.h
+++ b/src/regex-emacs.h
@@ -1,6 +1,6 @@
 /* Emacs regular expression API
 
-   Copyright (C) 1985, 1989-1993, 1995, 2000-2020 Free Software
+   Copyright (C) 1985, 1989-1993, 1995, 2000-2021 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/src/region-cache.c b/src/region-cache.c
index 836296764d1..b75a9691b5d 100644
--- a/src/region-cache.c
+++ b/src/region-cache.c
@@ -1,6 +1,6 @@
 /* Caching facts about regions of the buffer, for optimization.
 
-Copyright (C) 1985-1989, 1993, 1995, 2001-2020 Free Software Foundation,
+Copyright (C) 1985-1989, 1993, 1995, 2001-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/region-cache.h b/src/region-cache.h
index 46e45a2fbdb..128215718d8 100644
--- a/src/region-cache.h
+++ b/src/region-cache.h
@@ -1,6 +1,6 @@
 /* Header file: Caching facts about regions of the buffer, for optimization.
 
-Copyright (C) 1985-1986, 1993, 1995, 2001-2020 Free Software Foundation,
+Copyright (C) 1985-1986, 1993, 1995, 2001-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/scroll.c b/src/scroll.c
index 145c256048a..9042888d1f2 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -1,6 +1,6 @@
 /* Calculate what line insertion or deletion to do, and do it
 
-Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2020 Free Software
+Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/search.c b/src/search.c
index 818bb4af246..483d9d867a6 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1,6 +1,6 @@
 /* String search routines for GNU Emacs.
 
-Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2020 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sheap.c b/src/sheap.c
index 7d6429c532c..5401e791b07 100644
--- a/src/sheap.c
+++ b/src/sheap.c
@@ -1,7 +1,7 @@
 /* simulate `sbrk' with an array in .bss, for `unexec' support for Cygwin;
    complete rewrite of xemacs Cygwin `unexec' code
 
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sheap.h b/src/sheap.h
index 50f602a4467..f1004d6c2e5 100644
--- a/src/sheap.h
+++ b/src/sheap.h
@@ -1,6 +1,6 @@
 /* Static heap allocation for GNU Emacs.
 
-Copyright 2016-2020 Free Software Foundation, Inc.
+Copyright 2016-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sound.c b/src/sound.c
index f74c4769a44..e5f66f8f529 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -1,6 +1,6 @@
 /* sound.c -- sound support.
 
-Copyright (C) 1998-1999, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1998-1999, 2001-2021 Free Software Foundation, Inc.
 
 Author: Gerd Moellmann <gerd@gnu.org>
 
diff --git a/src/syntax.c b/src/syntax.c
index e8b32f5a445..848468891ab 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -1,5 +1,5 @@
 /* GNU Emacs routines to deal with syntax tables; also word and list parsing.
-   Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2020 Free
+   Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2021 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/syntax.h b/src/syntax.h
index a2ec3301bab..66ee139a967 100644
--- a/src/syntax.h
+++ b/src/syntax.h
@@ -1,6 +1,6 @@
 /* Declarations having to do with GNU Emacs syntax tables.
 
-Copyright (C) 1985, 1993-1994, 1997-1998, 2001-2020 Free Software
+Copyright (C) 1985, 1993-1994, 1997-1998, 2001-2021 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysdep.c b/src/sysdep.c
index addaf4dc28a..f94ce4d4920 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -1,5 +1,5 @@
 /* Interfaces to system-dependent kernel and library entries.
-   Copyright (C) 1985-1988, 1993-1995, 1999-2020 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1999-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysselect.h b/src/sysselect.h
index ecba1f329ee..017c02b77f4 100644
--- a/src/sysselect.h
+++ b/src/sysselect.h
@@ -1,5 +1,5 @@
 /* sysselect.h - System-dependent definitions for the select function.
-   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syssignal.h b/src/syssignal.h
index a3e462b5385..285a3c548ba 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -1,6 +1,6 @@
 /* syssignal.h - System-dependent definitions for signals.
 
-Copyright (C) 1993, 1999, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1993, 1999, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sysstdio.h b/src/sysstdio.h
index 461019273bd..d4df3d74567 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -1,6 +1,6 @@
 /* Standard I/O for Emacs.
 
-Copyright 2013-2020 Free Software Foundation, Inc.
+Copyright 2013-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.c b/src/systhread.c
index 0d600d6895e..95d1c6fddd9 100644
--- a/src/systhread.c
+++ b/src/systhread.c
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.h b/src/systhread.h
index 005388fd5a4..23da5daa44d 100644
--- a/src/systhread.h
+++ b/src/systhread.h
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systime.h b/src/systime.h
index 00ca4a1c58d..5f40ff6831e 100644
--- a/src/systime.h
+++ b/src/systime.h
@@ -1,5 +1,5 @@
 /* systime.h - System-dependent definitions for time manipulations.
-   Copyright (C) 1993-1994, 2002-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2002-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systty.h b/src/systty.h
index 43fe824123f..c19b4b35f18 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -1,5 +1,5 @@
 /* systty.h - System-dependent definitions for terminals.
-   Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syswait.h b/src/syswait.h
index 57b0f70eced..42e8c408549 100644
--- a/src/syswait.h
+++ b/src/syswait.h
@@ -1,5 +1,5 @@
 /* Define wait system call interface for Emacs.
-   Copyright (C) 1993-1995, 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1995, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/term.c b/src/term.c
index 370f6fcd453..9d1359385ca 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1,5 +1,5 @@
 /* Terminal control module for terminals described by TERMCAP
-   Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2020 Free Software
+   Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/termcap.c b/src/termcap.c
index cc6f2d11acd..67f28facbd2 100644
--- a/src/termcap.c
+++ b/src/termcap.c
@@ -1,5 +1,5 @@
 /* Work-alike for termcap, plus extra features.
-   Copyright (C) 1985-1986, 1993-1995, 2000-2008, 2011, 2013-2020 Free
+   Copyright (C) 1985-1986, 1993-1995, 2000-2008, 2011, 2013-2021 Free
    Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
diff --git a/src/termchar.h b/src/termchar.h
index c96b81913b0..ce7b4ffcd13 100644
--- a/src/termchar.h
+++ b/src/termchar.h
@@ -1,5 +1,5 @@
 /* Flags and parameters describing terminal's characteristics.
-   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termhooks.h b/src/termhooks.h
index d18b750c3a2..2781c5feb9a 100644
--- a/src/termhooks.h
+++ b/src/termhooks.h
@@ -1,6 +1,6 @@
 /* Parameters and display hooks for terminal devices.
 
-Copyright (C) 1985-1986, 1993-1994, 2001-2020 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1994, 2001-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/terminal.c b/src/terminal.c
index e3b666ba61d..b83adc596bb 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -1,5 +1,5 @@
 /* Functions related to terminal devices.
-   Copyright (C) 2005-2020 Free Software Foundation, Inc.
+   Copyright (C) 2005-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/terminfo.c b/src/terminfo.c
index 0765996401f..15aff317f15 100644
--- a/src/terminfo.c
+++ b/src/terminfo.c
@@ -1,5 +1,5 @@
 /* Interface from Emacs to terminfo.
-   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termopts.h b/src/termopts.h
index 5c5caeab52f..0a3dfa092fc 100644
--- a/src/termopts.h
+++ b/src/termopts.h
@@ -1,5 +1,5 @@
 /* Flags and parameters describing user options for handling the terminal.
-   Copyright (C) 1985-1986, 1990, 2001-2020 Free Software Foundation,
+   Copyright (C) 1985-1986, 1990, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/textprop.c b/src/textprop.c
index ee048336ac0..11ca0b8ccb8 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1,5 +1,5 @@
 /* Interface code for dealing with text properties.
-   Copyright (C) 1993-1995, 1997, 1999-2020 Free Software Foundation,
+   Copyright (C) 1993-1995, 1997, 1999-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/thread.c b/src/thread.c
index c7fe0614269..c7cc17729f7 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -1,5 +1,5 @@
 /* Threading code.
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/thread.h b/src/thread.h
index a09929fa440..b991ec18a01 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -1,5 +1,5 @@
 /* Thread definitions
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/timefns.c b/src/timefns.c
index 553daf6e6a9..b84bc216e9e 100644
--- a/src/timefns.c
+++ b/src/timefns.c
@@ -1,6 +1,6 @@
 /* Timestamp functions for Emacs
 
-Copyright (C) 1985-1987, 1989, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1989, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/tparam.c b/src/tparam.c
index 6afef2ef849..c89a9bde9a0 100644
--- a/src/tparam.c
+++ b/src/tparam.c
@@ -1,5 +1,5 @@
 /* Merge parameters into a termcap entry string.
-   Copyright (C) 1985, 1987, 1993, 1995, 2000-2008, 2013-2020 Free
+   Copyright (C) 1985, 1987, 1993, 1995, 2000-2008, 2013-2021 Free
    Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
diff --git a/src/tparam.h b/src/tparam.h
index 5cab1479ade..893c3cac12c 100644
--- a/src/tparam.h
+++ b/src/tparam.h
@@ -1,6 +1,6 @@
 /* Interface definitions for termcap entries.
 
-Copyright (C) 2011-2020 Free Software Foundation, Inc.
+Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/undo.c b/src/undo.c
index 0fcd8af240a..2db401ebc7e 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1,5 +1,5 @@
 /* undo handling for GNU Emacs.
-   Copyright (C) 1990, 1993-1994, 2000-2020 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexaix.c b/src/unexaix.c
index 0e57b25c51d..949750f4933 100644
--- a/src/unexaix.c
+++ b/src/unexaix.c
@@ -1,5 +1,5 @@
 /* Dump an executable file.
-   Copyright (C) 1985-1988, 1999, 2001-2020 Free Software Foundation,
+   Copyright (C) 1985-1988, 1999, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcoff.c b/src/unexcoff.c
index 3daa9d149b1..c4b2f6ebea7 100644
--- a/src/unexcoff.c
+++ b/src/unexcoff.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1992-1994, 2001-2020 Free Software
+/* Copyright (C) 1985-1988, 1992-1994, 2001-2021 Free Software
  * Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcw.c b/src/unexcw.c
index 83efbc74bb1..7a80b05963b 100644
--- a/src/unexcw.c
+++ b/src/unexcw.c
@@ -1,7 +1,7 @@
 /* unexec() support for Cygwin;
    complete rewrite of xemacs Cygwin unexec() code
 
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexelf.c b/src/unexelf.c
index 2506cc61175..b5cded5cfda 100644
--- a/src/unexelf.c
+++ b/src/unexelf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1990, 1992, 1999-2020 Free Software
+/* Copyright (C) 1985-1988, 1990, 1992, 1999-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexmacosx.c b/src/unexmacosx.c
index 59cbe3c18b9..f4e78beecfb 100644
--- a/src/unexmacosx.c
+++ b/src/unexmacosx.c
@@ -1,5 +1,5 @@
 /* Dump Emacs in Mach-O format for use on macOS.
-   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexw32.c b/src/unexw32.c
index 3c0f33557dd..1c60e3da0ee 100644
--- a/src/unexw32.c
+++ b/src/unexw32.c
@@ -1,5 +1,5 @@
 /* unexec for GNU Emacs on Windows NT.
-   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/vm-limit.c b/src/vm-limit.c
index 1a07ecfb323..b9058d04352 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -1,5 +1,5 @@
 /* Functions for memory limit warnings.
-   Copyright (C) 1990, 1992, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1992, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w16select.c b/src/w16select.c
index 5a68162e25c..94c4032bbd8 100644
--- a/src/w16select.c
+++ b/src/w16select.c
@@ -1,6 +1,6 @@
 /* 16-bit Windows Selection processing for emacs on MS-Windows
 
-Copyright (C) 1996-1997, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1996-1997, 2001-2021 Free Software Foundation, Inc.
 
 Author: Dale P. Smith <dpsm@en.com>
 
diff --git a/src/w32.c b/src/w32.c
index 6fed5ba8d3d..e6dffe2e63f 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -1,6 +1,6 @@
 /* Utility and Unix shadow routines for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 1994-1995, 2000-2020 Free Software Foundation, Inc.
+Copyright (C) 1994-1995, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32.h b/src/w32.h
index b8655ec788c..ddbd275ba5c 100644
--- a/src/w32.h
+++ b/src/w32.h
@@ -2,7 +2,7 @@
 #define EMACS_W32_H
 
 /* Support routines for the NT version of Emacs.
-   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32common.h b/src/w32common.h
index eb7faa1939a..94bb457e59d 100644
--- a/src/w32common.h
+++ b/src/w32common.h
@@ -1,5 +1,5 @@
 /* Common functions for Microsoft Windows builds of Emacs
-   Copyright (C) 2012-2020 Free Software Foundation, Inc.
+   Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32console.c b/src/w32console.c
index 72df888b749..cb9e288e880 100644
--- a/src/w32console.c
+++ b/src/w32console.c
@@ -1,5 +1,5 @@
 /* Terminal hooks for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1992, 1999, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1999, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32cygwinx.c b/src/w32cygwinx.c
index 2d729834600..b58febc4e04 100644
--- a/src/w32cygwinx.c
+++ b/src/w32cygwinx.c
@@ -1,6 +1,6 @@
 /* Common functions for the Microsoft Windows and Cygwin builds.
 
-Copyright (C) 2018-2020 Free Software Foundation, Inc.
+Copyright (C) 2018-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32fns.c b/src/w32fns.c
index fd13a958651..fcee1934ba9 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -1,6 +1,6 @@
 /* Graphical user interface functions for the Microsoft Windows API.
 
-Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.c b/src/w32font.c
index c1d5f25d251..6b9ab0468cd 100644
--- a/src/w32font.c
+++ b/src/w32font.c
@@ -1,5 +1,5 @@
 /* Font backend for the Microsoft Windows API.
-   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+   Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.h b/src/w32font.h
index a76f8c30cec..cf2bf3c2421 100644
--- a/src/w32font.h
+++ b/src/w32font.h
@@ -1,5 +1,5 @@
 /* Shared GDI and Uniscribe Font backend declarations for the Windows API.
-   Copyright (C) 2007-2020 Free Software Foundation, Inc.
+   Copyright (C) 2007-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32gui.h b/src/w32gui.h
index 5cc64287291..7576290cca6 100644
--- a/src/w32gui.h
+++ b/src/w32gui.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32heap.c b/src/w32heap.c
index 3a6c7804675..07694d0f5cf 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -1,5 +1,5 @@
 /* Heap management routines for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2021 Free Software Foundation, Inc.
 
    This file is part of GNU Emacs.
 
diff --git a/src/w32heap.h b/src/w32heap.h
index 5c062671494..0b34f8a356a 100644
--- a/src/w32heap.h
+++ b/src/w32heap.h
@@ -1,5 +1,5 @@
 /* Heap management routines (including unexec) for GNU Emacs on Windows NT.
-   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32inevt.c b/src/w32inevt.c
index 7023e7144a3..1a80a001974 100644
--- a/src/w32inevt.c
+++ b/src/w32inevt.c
@@ -1,5 +1,5 @@
 /* Input event support for Emacs on the Microsoft Windows API.
-   Copyright (C) 1992-1993, 1995, 2001-2020 Free Software Foundation,
+   Copyright (C) 1992-1993, 1995, 2001-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32inevt.h b/src/w32inevt.h
index 3426ac6251f..f0097716f35 100644
--- a/src/w32inevt.h
+++ b/src/w32inevt.h
@@ -1,5 +1,5 @@
 /* Input routines for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32menu.c b/src/w32menu.c
index e076043f7b7..698f7b56deb 100644
--- a/src/w32menu.c
+++ b/src/w32menu.c
@@ -1,5 +1,5 @@
 /* Menu support for GNU Emacs on the Microsoft Windows API.
-   Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2020 Free
+   Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2021 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32notify.c b/src/w32notify.c
index 0871abb6027..b9e90633923 100644
--- a/src/w32notify.c
+++ b/src/w32notify.c
@@ -1,6 +1,6 @@
 /* Filesystem notifications support for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 2012-2020 Free Software Foundation, Inc.
+Copyright (C) 2012-2021 Free Software Foundation, Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
 
diff --git a/src/w32proc.c b/src/w32proc.c
index 62d7377130f..b436eaff2c3 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -1,6 +1,6 @@
 /* Process support for GNU Emacs on the Microsoft Windows API.
 
-Copyright (C) 1992, 1995, 1999-2020 Free Software Foundation, Inc.
+Copyright (C) 1992, 1995, 1999-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32reg.c b/src/w32reg.c
index 9ef50afce33..9794162bd09 100644
--- a/src/w32reg.c
+++ b/src/w32reg.c
@@ -1,6 +1,6 @@
 /* Emulate the X Resource Manager through the registry.
 
-Copyright (C) 1990, 1993-1994, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1990, 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
 
diff --git a/src/w32select.c b/src/w32select.c
index 9a4b43bc69a..58cbea9130d 100644
--- a/src/w32select.c
+++ b/src/w32select.c
@@ -1,6 +1,6 @@
 /* Selection processing for Emacs on the Microsoft Windows API.
 
-Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
         Benjamin Riefenstahl
diff --git a/src/w32select.h b/src/w32select.h
index 2cdc51994a3..7ed8696ea98 100644
--- a/src/w32select.h
+++ b/src/w32select.h
@@ -1,6 +1,6 @@
 /* Selection processing for Emacs on the Microsoft W32 API.
 
-Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.c b/src/w32term.c
index 76cf6bd6964..2de6b0d78c7 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -1,6 +1,6 @@
 /* Implementation of GUI terminal on the Microsoft Windows API.
 
-Copyright (C) 1989, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.h b/src/w32term.h
index f8a8a727e8a..44378aa4c27 100644
--- a/src/w32term.h
+++ b/src/w32term.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication on the Microsoft Windows API.
-   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32uniscribe.c b/src/w32uniscribe.c
index 7a84b21f9da..0df1ff298f1 100644
--- a/src/w32uniscribe.c
+++ b/src/w32uniscribe.c
@@ -1,6 +1,6 @@
 /* Font backend for the Microsoft W32 Uniscribe API.
    Windows-specific parts of the HarfBuzz font backend.
-   Copyright (C) 2008-2020 Free Software Foundation, Inc.
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32xfns.c b/src/w32xfns.c
index 70cee559f3c..712214b591b 100644
--- a/src/w32xfns.c
+++ b/src/w32xfns.c
@@ -1,5 +1,5 @@
 /* Functions taken directly from X sources for use with the Microsoft Windows API.
-   Copyright (C) 1989, 1992-1995, 1999, 2001-2020 Free Software
+   Copyright (C) 1989, 1992-1995, 1999, 2001-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/widget.c b/src/widget.c
index b141612b539..43f0307b4e0 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -1,5 +1,5 @@
 /* The emacs frame widget.
-   Copyright (C) 1992-1993, 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 1992-1993, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widget.h b/src/widget.h
index 7ec5b63e128..105bc6646d1 100644
--- a/src/widget.h
+++ b/src/widget.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget public header file.
-   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widgetprv.h b/src/widgetprv.h
index cf7cad7c01a..58620a05b2a 100644
--- a/src/widgetprv.h
+++ b/src/widgetprv.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget private header file.
-   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/window.c b/src/window.c
index ff17cd88f38..43f2a8f00f2 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1,6 +1,6 @@
 /* Window creation, deletion and examination for GNU Emacs.
    Does not include redisplay.
-   Copyright (C) 1985-1987, 1993-1998, 2000-2020 Free Software
+   Copyright (C) 1985-1987, 1993-1998, 2000-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/window.h b/src/window.h
index aa8d2c8d1d2..c2bc04d1831 100644
--- a/src/window.h
+++ b/src/window.h
@@ -1,5 +1,5 @@
 /* Window definitions for GNU Emacs.
-   Copyright (C) 1985-1986, 1993, 1995, 1997-2020 Free Software
+   Copyright (C) 1985-1986, 1993, 1995, 1997-2021 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xdisp.c b/src/xdisp.c
index e65505b1b16..cac3195170c 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1,6 +1,6 @@
 /* Display generation from window structure and buffer text.
 
-Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2021 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xfaces.c b/src/xfaces.c
index 66d6c340302..9d4b4cedbe7 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -1,6 +1,6 @@
 /* xfaces.c -- "Face" primitives.
 
-Copyright (C) 1993-1994, 1998-2020 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 1998-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfns.c b/src/xfns.c
index 6f7c590ecee..ab04396703e 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1,6 +1,6 @@
 /* Functions for the X Window System.
 
-Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfont.c b/src/xfont.c
index f6131dcec5a..7a8befdcb60 100644
--- a/src/xfont.c
+++ b/src/xfont.c
@@ -1,5 +1,5 @@
 /* xfont.c -- X core font driver.
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/xftfont.c b/src/xftfont.c
index eb60d219a72..f7349316366 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -1,5 +1,5 @@
 /* xftfont.c -- XFT font driver.
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
+   Copyright (C) 2006-2021 Free Software Foundation, Inc.
    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
      National Institute of Advanced Industrial Science and Technology (AIST)
      Registration Number H13PRO009
diff --git a/src/xgselect.c b/src/xgselect.c
index f8d0bac7fac..d7c63e3be10 100644
--- a/src/xgselect.c
+++ b/src/xgselect.c
@@ -1,6 +1,6 @@
 /* Function for handling the GLib event loop.
 
-Copyright (C) 2009-2020 Free Software Foundation, Inc.
+Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xgselect.h b/src/xgselect.h
index a38591f3296..e00dce12835 100644
--- a/src/xgselect.h
+++ b/src/xgselect.h
@@ -1,6 +1,6 @@
 /* Header for xg_select.
 
-Copyright (C) 2009-2020 Free Software Foundation, Inc.
+Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xmenu.c b/src/xmenu.c
index 9201a283b47..7092ecf461e 100644
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -1,6 +1,6 @@
 /* X Communication module for terminals which understand the X protocol.
 
-Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2020 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2021 Free Software
 Foundation, Inc.
 
 Author: Jon Arnold
diff --git a/src/xml.c b/src/xml.c
index d7da86404f6..495988ab232 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1,5 +1,5 @@
 /* Interface to libxml2.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xrdb.c b/src/xrdb.c
index d3ac1175521..319f7ab2107 100644
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -1,5 +1,5 @@
 /* Deal with the X Resource Manager.
-   Copyright (C) 1990, 1993-1994, 2000-2020 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2021 Free Software Foundation,
    Inc.
 
 Author: Joseph Arceneaux
diff --git a/src/xselect.c b/src/xselect.c
index 48d6215a7bb..ad117983ae7 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -1,5 +1,5 @@
 /* X Selection processing for Emacs.
-   Copyright (C) 1993-1997, 2000-2020 Free Software Foundation, Inc.
+   Copyright (C) 1993-1997, 2000-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.c b/src/xsettings.c
index 1ba1021e40b..58dfd43ad18 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -1,6 +1,6 @@
 /* Functions for handling font and other changes dynamically.
 
-Copyright (C) 2009-2020 Free Software Foundation, Inc.
+Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.h b/src/xsettings.h
index f29ce77c7f0..26717fc08cb 100644
--- a/src/xsettings.h
+++ b/src/xsettings.h
@@ -1,6 +1,6 @@
 /* Functions for handle font changes dynamically.
 
-Copyright (C) 2009-2020 Free Software Foundation, Inc.
+Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsmfns.c b/src/xsmfns.c
index 203085e24f1..10565a4b25f 100644
--- a/src/xsmfns.c
+++ b/src/xsmfns.c
@@ -1,7 +1,7 @@
 /* Session management module for systems which understand the X Session
    management protocol.
 
-Copyright (C) 2002-2020 Free Software Foundation, Inc.
+Copyright (C) 2002-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.c b/src/xterm.c
index a567ab163af..da2efffccaa 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -1,6 +1,6 @@
 /* X Communication module for terminals which understand the X protocol.
 
-Copyright (C) 1989, 1993-2020 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.h b/src/xterm.h
index bc10043c54c..488aa98f9ef 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -1,5 +1,5 @@
 /* Definitions and headers for communication with X protocol.
-   Copyright (C) 1989, 1993-1994, 1998-2020 Free Software Foundation,
+   Copyright (C) 1989, 1993-1994, 1998-2021 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xwidget.c b/src/xwidget.c
index fb906d181ac..f57bc355fa3 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2020 Free Software Foundation, Inc.
+Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xwidget.h b/src/xwidget.h
index 99fa8bbd612..249416aaa6d 100644
--- a/src/xwidget.h
+++ b/src/xwidget.h
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2020 Free Software Foundation, Inc.
+Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.