Merge from origin/emacs-27

186152ba40 Pacify gcc -Wunused-function on Ubuntu 18.04.3
4cd143aded Fix copyright years by hand
365e01cc9f Update copyright year to 2020
cd2c156163 ; * etc/NEWS: Make the description of XDG fallback more ac...

# Conflicts:
#	etc/NEWS
#	etc/refcards/ru-refcard.tex

226 files changed, 230 insertions, 229 deletions

diff --git a/src/.gdbinit b/src/.gdbinit
index eb767f2dcb9..5dd01337153 100644
--- a/src/.gdbinit
+++ b/src/.gdbinit
@@ -1,4 +1,4 @@
-# Copyright (C) 1992-1998, 2000-2019 Free Software Foundation, Inc.
+# Copyright (C) 1992-1998, 2000-2020 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/ChangeLog.1 b/src/ChangeLog.1
index 171ce7b1e47..4ca7f90e7f7 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, 2001-2019 Free Software Foundation, Inc.
+    Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.10 b/src/ChangeLog.10
index 40edccb502b..1c954b20eec 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) 2001-2019 Free Software Foundation, Inc.
+    Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.11 b/src/ChangeLog.11
index 46ab8b9f328..2942d35561a 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) 2007-2019 Free Software Foundation, Inc.
+  Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.12 b/src/ChangeLog.12
index 3b39728d3e3..0397a495212 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) 2011-2019 Free Software Foundation, Inc.
+  Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.13 b/src/ChangeLog.13
index 4d7dab595fc..791de9a6a8b 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) 2011-2019 Free Software Foundation, Inc.
+  Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.2 b/src/ChangeLog.2
index 8199351b7f4..a499350253e 100644
--- a/src/ChangeLog.2
+++ b/src/ChangeLog.2
@@ -4771,7 +4771,7 @@
 
 See ChangeLog.1 for earlier changes.
 
-    Copyright (C) 1986-1988, 2001-2019 Free Software Foundation, Inc.
+    Copyright (C) 1986-1988, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.3 b/src/ChangeLog.3
index 051c70f53e8..973251859c1 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, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.4 b/src/ChangeLog.4
index ab2807c1257..cc8d22ceeb1 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, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.5 b/src/ChangeLog.5
index 1ab7773b06a..56bfb9f9eff 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, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1994-1995, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.6 b/src/ChangeLog.6
index fdaa010375d..391d5fb8a52 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, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1995-1996, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.7 b/src/ChangeLog.7
index b19cf9d5ca4..bb3e1997ec7 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, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1997-1998, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.8 b/src/ChangeLog.8
index 3676258040e..17522e450f0 100644
--- a/src/ChangeLog.8
+++ b/src/ChangeLog.8
@@ -13979,7 +13979,7 @@
 
 See ChangeLog.7 for earlier changes.
 
-  Copyright (C) 1999, 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 1999, 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/ChangeLog.9 b/src/ChangeLog.9
index fbc1fd12899..9f12748fbeb 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) 2001-2019 Free Software Foundation, Inc.
+  Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/src/Makefile.in b/src/Makefile.in
index 76aa6a1ec5c..ab63b926272 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2019 Free Software
+# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2020 Free Software
 # Foundation, Inc.
 
 # This file is part of GNU Emacs.
diff --git a/src/README b/src/README
index 9a267af92a7..fbebf6b95f5 100644
--- a/src/README
+++ b/src/README
@@ -1,4 +1,4 @@
-Copyright (C) 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 2001-2020 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
diff --git a/src/alloc.c b/src/alloc.c
index 6a17bedc75b..1c6b664b220 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, 1997-2019 Free Software
+Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/atimer.c b/src/atimer.c
index b28f3e25961..a7daf9dcf5b 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/atimer.h b/src/atimer.h
index dbc9d5644d8..660d77c9392 100644
--- a/src/atimer.h
+++ b/src/atimer.h
@@ -1,5 +1,5 @@
 /* Asynchronous timers.
-   Copyright (C) 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bidi.c b/src/bidi.c
index cb94c4e0d7a..3abde7fcb09 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -1,6 +1,7 @@
 /* Low-level bidirectional buffer/string-scanning functions for GNU Emacs.
 
-Copyright (C) 2000-2001, 2004-2005, 2009-2019 Free Software Foundation, Inc.
+Copyright (C) 2000-2001, 2004-2005, 2009-2020 Free Software Foundation,
+Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
 
diff --git a/src/bignum.c b/src/bignum.c
index c31cf3d59a4..51d90ffaefa 100644
--- a/src/bignum.c
+++ b/src/bignum.c
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2019 Free Software Foundation, Inc.
+Copyright 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/bignum.h b/src/bignum.h
index 432fcbc99e5..0c2541a9dc7 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -1,6 +1,6 @@
 /* Big numbers for Emacs.
 
-Copyright 2018-2019 Free Software Foundation, Inc.
+Copyright 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/blockinput.h b/src/blockinput.h
index cd2eddbe4d7..f94e62dd461 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/buffer.c b/src/buffer.c
index 80eaa971a3a..5c65d4d4d19 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/buffer.h b/src/buffer.h
index 37a50d276f1..fd05fdd37de 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/bytecode.c b/src/bytecode.c
index 9aad1eb642b..9e75c9012e0 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, 2000-2019 Free Software Foundation,
+   Copyright (C) 1985-1988, 1993, 2000-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callint.c b/src/callint.c
index 9d5767a21fe..eb916353a0c 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, 2000-2019 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997, 2000-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/callproc.c b/src/callproc.c
index b51594c2d51..52b89504205 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, 1999-2019 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1999-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casefiddle.c b/src/casefiddle.c
index 774906df04d..1945aa15e71 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, 2001-2019 Free Software Foundation,
+Copyright (C) 1985, 1994, 1997-1999, 2001-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/casetab.c b/src/casetab.c
index b3ee24c4fa0..07cda36d95d 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
 Author: Howard Gayle
 
diff --git a/src/category.c b/src/category.c
index 9e460cfc64e..c80571ecd4f 100644
--- a/src/category.c
+++ b/src/category.c
@@ -1,6 +1,6 @@
 /* GNU Emacs routines to deal with category tables.
 
-Copyright (C) 1998, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1998, 2001-2020 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 95054366258..ac44dc1f608 100644
--- a/src/ccl.c
+++ b/src/ccl.c
@@ -1,5 +1,5 @@
 /* CCL (Code Conversion Language) interpreter.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 55ad49005a0..5d419a2e836 100644
--- a/src/character.c
+++ b/src/character.c
@@ -1,6 +1,6 @@
 /* Basic character support.
 
-Copyright (C) 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 2001-2020 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 93206aa29b0..2771b0ba2ac 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1,6 +1,6 @@
 /* Basic character set support.
 
-Copyright (C) 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 2001-2020 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 7042a71a469..62b28e6c8f0 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -1,5 +1,5 @@
 /* Header for charset handler.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 7947d3565c5..dc5a5a34eb7 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -1,5 +1,5 @@
 /* Cursor motion subroutines for GNU Emacs.
-   Copyright (C) 1985, 1995, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1995, 2001-2020 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 2f6e6ad1251..11d0b2b4b33 100644
--- a/src/cm.h
+++ b/src/cm.h
@@ -1,5 +1,5 @@
 /* Cursor motion calculation definitions for GNU Emacs
-   Copyright (C) 1985, 1989, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1989, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cmds.c b/src/cmds.c
index 9f3c8610e62..462cb661d54 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -1,6 +1,6 @@
 /* Simple built-in editing commands.
 
-Copyright (C) 1985, 1993-1998, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1998, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/coding.c b/src/coding.c
index 35d6be470c8..ed755b1afcf 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1,5 +1,5 @@
 /* Coding system handler (conversion, detection, etc).
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 d552e7b4c8f..91856c5702b 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -1,5 +1,5 @@
 /* Header for coding system handler.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 1ea6ab681b9..81e9b7e4da9 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -1,5 +1,5 @@
 /* Definitions needed by most editing commands.
-   Copyright (C) 1985, 1994, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/composite.c b/src/composite.c
index 2725ab3b99c..53e6930b5f2 100644
--- a/src/composite.c
+++ b/src/composite.c
@@ -1,5 +1,5 @@
 /* Composite sequence support.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 45d72fb345d..62c4de40e3b 100644
--- a/src/composite.h
+++ b/src/composite.h
@@ -1,5 +1,5 @@
 /* Header for composite sequence handler.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 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 43f98620a4b..2f8d19fdca8 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, 2004-2019 Free Software
+Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/cygw32.c b/src/cygw32.c
index fb2fa038219..d402669ec14 100644
--- a/src/cygw32.c
+++ b/src/cygw32.c
@@ -1,5 +1,5 @@
 /* Cygwin support routines.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/cygw32.h b/src/cygw32.h
index 33ddf880733..647211b3209 100644
--- a/src/cygw32.h
+++ b/src/cygw32.h
@@ -1,5 +1,5 @@
 /* Header for Cygwin support routines.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/data.c b/src/data.c
index 26e8611304b..b1530688468 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, 1997-2019 Free Software
+   Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dbusbind.c b/src/dbusbind.c
index de67dc94f9e..f6a0879e6a9 100644
--- a/src/dbusbind.c
+++ b/src/dbusbind.c
@@ -1,5 +1,5 @@
 /* Elisp bindings for D-Bus.
-   Copyright (C) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/decompress.c b/src/decompress.c
index 4ca6a50b2a2..5d246387e76 100644
--- a/src/decompress.c
+++ b/src/decompress.c
@@ -1,5 +1,5 @@
 /* Interface to zlib.
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
+   Copyright (C) 2013-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/deps.mk b/src/deps.mk
index 2cdeba8d4ae..a7e1b559173 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, 1999-2019 Free Software
+## Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2020 Free Software
 ## Foundation, Inc.
 
 ## This file is part of GNU Emacs.
diff --git a/src/dired.c b/src/dired.c
index a5153790c45..611477aa4ef 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, 1999-2019 Free Software
+   Copyright (C) 1985-1986, 1993-1994, 1999-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dispextern.h b/src/dispextern.h
index 4bf9f39cd08..6246c7c0808 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -1,6 +1,6 @@
 /* Interface definitions for display code.
 
-Copyright (C) 1985, 1993-1994, 1997-2019 Free Software Foundation, Inc.
+Copyright (C) 1985, 1993-1994, 1997-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dispnew.c b/src/dispnew.c
index 4cdc76f5bcf..b2a257090cc 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/disptab.h b/src/disptab.h
index f7a162898b5..d5453474d95 100644
--- a/src/disptab.h
+++ b/src/disptab.h
@@ -1,5 +1,5 @@
 /* Things for GLYPHS and glyph tables.
-   Copyright (C) 1993, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dmpstruct.awk b/src/dmpstruct.awk
index 55626cf8b21..a25bcf6f404 100644
--- a/src/dmpstruct.awk
+++ b/src/dmpstruct.awk
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2019 Free Software Foundation, Inc.
+# Copyright (C) 2018-2020 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/src/doc.c b/src/doc.c
index b06b87c6114..285c0dbbbee 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/doprnt.c b/src/doprnt.c
index 819700f6798..b0ba12552bc 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dosfns.c b/src/dosfns.c
index 635f29bd656..7a6605dece6 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, 2001-2019 Free Software
+   Copyright (C) 1991, 1993, 1996-1998, 2001-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dosfns.h b/src/dosfns.h
index 35b91be0e92..bae199b6f6c 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, 2001-2019 Free Software
+Copyright (C) 1991, 1994-1995, 1997, 1999, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/dynlib.c b/src/dynlib.c
index 8c25b75537f..4919d5cc726 100644
--- a/src/dynlib.c
+++ b/src/dynlib.c
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2019 Free Software Foundation, Inc.
+Copyright 2015-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/dynlib.h b/src/dynlib.h
index 43a0e045f5b..cb3454b5563 100644
--- a/src/dynlib.h
+++ b/src/dynlib.h
@@ -1,6 +1,6 @@
 /* Portable API for dynamic loading.
 
-Copyright 2015-2019 Free Software Foundation, Inc.
+Copyright 2015-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/editfns.c b/src/editfns.c
index 8fc866d391f..4e35784e554 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, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1989, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs-icon.h b/src/emacs-icon.h
index a8fa3dfdff5..c3fd7f3ce28 100644
--- a/src/emacs-icon.h
+++ b/src/emacs-icon.h
@@ -1,7 +1,7 @@
 /* XPM */
 /* Emacs icon
 
-Copyright (C) 2008-2019 Free Software Foundation, Inc.
+Copyright (C) 2008-2020 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 76229137d87..bbb0e3dadd9 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) 2015-2019 Free Software Foundation, Inc.
+Copyright (C) 2015-2020 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 fbeaebd7956..7065f13f2b1 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) 2015-2019 Free Software Foundation, Inc.
+Copyright (C) 2015-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacs.c b/src/emacs.c
index 53d5d4d846c..c5a760d29f6 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, 2001-2019 Free Software
+Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/emacsgtkfixed.c b/src/emacsgtkfixed.c
index 6b2b4f70180..ea9465d5536 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) 2011-2019 Free Software Foundation, Inc.
+Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/emacsgtkfixed.h b/src/emacsgtkfixed.h
index 2f013280796..b230a4d4d8a 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) 2011-2019 Free Software Foundation, Inc.
+Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/epaths.in b/src/epaths.in
index 5fe35b64c8b..3cadd160ecf 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, 2001-2019 Free Software
+Copyright (C) 1993, 1995, 1997, 1999, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/eval.c b/src/eval.c
index 4bc96f96f2a..4559a0e1f66 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, 1999-2019 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1999-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/fileio.c b/src/fileio.c
index 01f8a04e5d9..6e2fe2f0b82 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1,6 +1,6 @@
 /* File IO for GNU Emacs.
 
-Copyright (C) 1985-1988, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1985-1988, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/filelock.c b/src/filelock.c
index 2077287345c..b28f16e9b5a 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -1,6 +1,6 @@
 /* Lock files for editing.
 
-Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2019 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1996, 1998-2020 Free Software
 Foundation, Inc.
 
 Author: Richard King
diff --git a/src/firstfile.c b/src/firstfile.c
index f1cb418681d..9dc70df9d3c 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/floatfns.c b/src/floatfns.c
index 73d84301e4f..235e3b4cdfe 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, 2001-2019 Free Software Foundation,
+Copyright (C) 1988, 1993-1994, 1999, 2001-2020 Free Software Foundation,
 Inc.
 
 Author: Wolfgang Rupprecht (according to ack.texi)
diff --git a/src/fns.c b/src/fns.c
index 5e62d0e6f90..3b5feace521 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -1,6 +1,6 @@
 /* Random utility Lisp functions.
 
-Copyright (C) 1985-1987, 1993-1995, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/font.c b/src/font.c
index b987a453d66..2b90903c909 100644
--- a/src/font.c
+++ b/src/font.c
@@ -1,6 +1,6 @@
 /* font.c -- "Font" primitives.
 
-Copyright (C) 2006-2019 Free Software Foundation, Inc.
+Copyright (C) 2006-2020 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 9ce46e8eabb..633d92709c5 100644
--- a/src/font.h
+++ b/src/font.h
@@ -1,5 +1,5 @@
 /* font.h -- Interface definition for font handling.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 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 828e7fe70cc..22b7618d8aa 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -1,6 +1,6 @@
 /* Fontset handler.
 
-Copyright (C) 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 2001-2020 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 40650e8b47e..f8a6b1d62d2 100644
--- a/src/fontset.h
+++ b/src/fontset.h
@@ -1,5 +1,5 @@
 /* Header for fontset handler.
-   Copyright (C) 1998, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2001-2020 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 0ab9613e9d9..88d6f22fc0a 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1,6 +1,6 @@
 /* Generic frame functions.
 
-Copyright (C) 1993-1995, 1997, 1999-2019 Free Software Foundation, Inc.
+Copyright (C) 1993-1995, 1997, 1999-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/frame.h b/src/frame.h
index 7331ea04437..6ab690c0ff5 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1,5 +1,5 @@
 /* Define frame-object for GNU Emacs.
-   Copyright (C) 1993-1994, 1999-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 1999-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/fringe.c b/src/fringe.c
index ded7c44e905..97aad843c2e 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, 1997-2019 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/ftcrfont.c b/src/ftcrfont.c
index 9701296c15b..a0e18e13cfa 100644
--- a/src/ftcrfont.c
+++ b/src/ftcrfont.c
@@ -1,5 +1,5 @@
 /* ftcrfont.c -- FreeType font driver on cairo.
-   Copyright (C) 2015-2019 Free Software Foundation, Inc.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ftfont.c b/src/ftfont.c
index 5bc048c3003..219e21408e8 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -1,5 +1,5 @@
 /* ftfont.c -- FreeType font driver.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 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 1d1bd2c4581..9bbb2c064c2 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) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 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 aa21cf3afaa..f033d9739d1 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, 2001-2019 Free Software Foundation,
+   Copyright (C) 1986, 1992, 1995, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/gfilenotify.c b/src/gfilenotify.c
index af7740a87ca..d083afc2fca 100644
--- a/src/gfilenotify.c
+++ b/src/gfilenotify.c
@@ -1,5 +1,5 @@
 /* Filesystem notifications support with glib API.
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
+   Copyright (C) 2013-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gmalloc.c b/src/gmalloc.c
index bac3ffb7e5e..8450a639e77 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, 2013-2019 Free
+   Copyright (C) 1990-1993, 1995-1996, 1999, 2002-2007, 2013-2020 Free
    Software Foundation, Inc.
                   Written May 1989 by Mike Haertel.
 
diff --git a/src/gnutls.c b/src/gnutls.c
index ae7a5f27c03..31fcd37c0a6 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gnutls.h b/src/gnutls.h
index 6332dad6b1e..5f4ad603476 100644
--- a/src/gnutls.h
+++ b/src/gnutls.h
@@ -1,5 +1,5 @@
 /* GnuTLS glue for GNU Emacs.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.c b/src/gtkutil.c
index 7e6db57c9dd..6308c38f164 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1,6 +1,6 @@
 /* Functions for creating and updating GTK widgets.
 
-Copyright (C) 2003-2019 Free Software Foundation, Inc.
+Copyright (C) 2003-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/gtkutil.h b/src/gtkutil.h
index 5795eb73421..5419167cd78 100644
--- a/src/gtkutil.h
+++ b/src/gtkutil.h
@@ -1,6 +1,6 @@
 /* Definitions and headers for GTK widgets.
 
-Copyright (C) 2003-2019 Free Software Foundation, Inc.
+Copyright (C) 2003-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/hbfont.c b/src/hbfont.c
index 2150b6656e1..576c5fe7f60 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 Free Software Foundation, Inc.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/image.c b/src/image.c
index fc90c5ea74b..5fe0d713e1b 100644
--- a/src/image.c
+++ b/src/image.c
@@ -1,6 +1,6 @@
 /* Functions for image support on window system.
 
-Copyright (C) 1989, 1992-2019 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/indent.c b/src/indent.c
index 1b589a710cf..f7db42783c1 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -1,5 +1,5 @@
 /* Indentation functions.
-   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2019 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998, 2000-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/indent.h b/src/indent.h
index 7fd1067e77d..6058429ede5 100644
--- a/src/indent.h
+++ b/src/indent.h
@@ -1,5 +1,5 @@
 /* Definitions for interface to indent.c
-   Copyright (C) 1985-1986, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/inotify.c b/src/inotify.c
index 7c1d699ce32..549a82b4013 100644
--- a/src/inotify.c
+++ b/src/inotify.c
@@ -1,6 +1,6 @@
 /* Inotify support for Emacs
 
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/insdel.c b/src/insdel.c
index ebfd022ac6b..21acf0e61db 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, 1997-2019 Free Software
+   Copyright (C) 1985-1986, 1993-1995, 1997-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.c b/src/intervals.c
index 38367460a52..a66594ceea2 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -1,5 +1,5 @@
 /* Code for doing intervals.
-   Copyright (C) 1993-1995, 1997-1998, 2001-2019 Free Software
+   Copyright (C) 1993-1995, 1997-1998, 2001-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/intervals.h b/src/intervals.h
index e9166946d9a..a93b10e9fff 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -1,5 +1,5 @@
 /* Definitions and global variables for intervals.
-   Copyright (C) 1993-1994, 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/json.c b/src/json.c
index cd3b9cc0236..2e50ce514fd 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1,6 +1,6 @@
 /* JSON parsing and serialization.
 
-Copyright (C) 2017-2019 Free Software Foundation, Inc.
+Copyright (C) 2017-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/keyboard.c b/src/keyboard.c
index cb311efd7e5..bf1f5da22d3 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, 1999-2019 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1997, 1999-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keyboard.h b/src/keyboard.h
index 65c7402ddb5..41da3a6bf44 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -1,5 +1,5 @@
 /* Declarations useful when processing input.
-   Copyright (C) 1985-1987, 1993, 2001-2019 Free Software Foundation,
+   Copyright (C) 1985-1987, 1993, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.c b/src/keymap.c
index 0b7de3e9cc5..cfba98c72f2 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1,5 +1,5 @@
 /* Manipulation of keymaps
-   Copyright (C) 1985-1988, 1993-1995, 1998-2019 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1998-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/keymap.h b/src/keymap.h
index e29145f681c..3ef48fb748e 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate keymaps.
-   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/kqueue.c b/src/kqueue.c
index 1383d7d3654..adbb8d92c0b 100644
--- a/src/kqueue.c
+++ b/src/kqueue.c
@@ -1,6 +1,6 @@
 /* Filesystem notifications support with kqueue API.
 
-Copyright (C) 2015-2019 Free Software Foundation, Inc.
+Copyright (C) 2015-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lastfile.c b/src/lastfile.c
index bcaf105a51b..7ddfe23d3dd 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lcms.c b/src/lcms.c
index 01ce886f406..a74c5539860 100644
--- a/src/lcms.c
+++ b/src/lcms.c
@@ -1,5 +1,5 @@
 /* Interface to Little CMS
-   Copyright (C) 2017-2019 Free Software Foundation, Inc.
+   Copyright (C) 2017-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/lisp.h b/src/lisp.h
index e0ae2c4262d..8674fe11a64 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1987, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/lread.c b/src/lread.c
index 6329172f4b4..290b3d3d64e 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1,6 +1,6 @@
 /* Lisp parsing and input streams.
 
-Copyright (C) 1985-1989, 1993-1995, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/macfont.h b/src/macfont.h
index 70650704163..1341030f353 100644
--- a/src/macfont.h
+++ b/src/macfont.h
@@ -1,5 +1,5 @@
 /* Interface definition for macOS Core text font backend.
-   Copyright (C) 2009-2019 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macfont.m b/src/macfont.m
index fa4a818efa6..442a2566037 100644
--- a/src/macfont.m
+++ b/src/macfont.m
@@ -1,5 +1,5 @@
 /* Font driver on macOS Core text.
-   Copyright (C) 2009-2019 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.c b/src/macros.c
index 2d927ffc408..6006c863729 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -1,6 +1,6 @@
 /* Keyboard macros.
 
-Copyright (C) 1985-1986, 1993, 2000-2019 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/macros.h b/src/macros.h
index 815dd01b370..d1d516bd837 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -1,5 +1,5 @@
 /* Definitions for keyboard macro interpretation in GNU Emacs.
-   Copyright (C) 1985, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/marker.c b/src/marker.c
index 6358bc3bf79..684b7509c51 100644
--- a/src/marker.c
+++ b/src/marker.c
@@ -1,5 +1,5 @@
 /* Markers: examining, setting and deleting.
-   Copyright (C) 1985, 1997-1998, 2001-2019 Free Software Foundation,
+   Copyright (C) 1985, 1997-1998, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.c b/src/menu.c
index 3d9cdb02115..28bfcae05d6 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, 1999-2019 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/menu.h b/src/menu.h
index 4412948224a..44749ade75a 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1,5 +1,5 @@
 /* Functions to manipulate menus.
-   Copyright (C) 2008-2019 Free Software Foundation, Inc.
+   Copyright (C) 2008-2020 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 051590bf8be..b8399b075e0 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 2018-2019 Free Software Foundation, Inc.
+Copyright 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/minibuf.c b/src/minibuf.c
index 9badc8cdd36..8ebdff12527 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1,6 +1,6 @@
 /* Minibuffer input and completion.
 
-Copyright (C) 1985-1986, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.c b/src/msdos.c
index d80e58bb713..a09b3ba7924 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -1,6 +1,6 @@
 /* MS-DOS specific C utilities.          -*- coding: cp850 -*-
 
-Copyright (C) 1993-1997, 1999-2019 Free Software Foundation, Inc.
+Copyright (C) 1993-1997, 1999-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/msdos.h b/src/msdos.h
index 3614c94dd0e..e08195ca6ad 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -1,5 +1,5 @@
 /* MS-DOS specific C utilities, interface.
-   Copyright (C) 1993, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsfns.m b/src/nsfns.m
index 3e835a71d03..4d47a90a720 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, 2008-2019 Free Software
+Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsfont.m b/src/nsfont.m
index 437776e7df0..9bec3691786 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) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsgui.h b/src/nsgui.h
index c21953593ad..0536ef0c0a9 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, 2008-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2005, 2008-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsimage.m b/src/nsimage.m
index 6ca6ee86d66..3cccc984ca9 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, 2008-2019 Free Software
+   Copyright (C) 1989, 1992-1994, 2005-2006, 2008-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsmenu.m b/src/nsmenu.m
index 817f8cff184..67f9a45a401 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) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/nsselect.m b/src/nsselect.m
index b044fe6f32d..38ac66e9c7b 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, 2008-2019 Free Software
+   Copyright (C) 1993-1994, 2005-2006, 2008-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.h b/src/nsterm.h
index 3803009afa6..fb9ac1b462c 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, 2008-2019 Free Software Foundation,
+   Copyright (C) 1989, 1993, 2005, 2008-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/nsterm.m b/src/nsterm.m
index ab571e4a1a7..2b6be86db82 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, 2008-2019 Free Software
+Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/pdumper.c b/src/pdumper.c
index 97aa09ce396..3ee11460405 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2018-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/pdumper.h b/src/pdumper.h
index b07f017697d..6a99b511f2f 100644
--- a/src/pdumper.h
+++ b/src/pdumper.h
@@ -1,6 +1,6 @@
 /* Header file for the portable dumper.
 
-Copyright (C) 2016, 2018-2019 Free Software Foundation, Inc.
+Copyright (C) 2016, 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/print.c b/src/print.c
index 7105c5dbb92..425b0dc4ee3 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, 1997-2019 Free Software
+Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/process.c b/src/process.c
index 35f6e3b548f..91d426103d8 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, 2001-2019 Free Software
+Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/process.h b/src/process.h
index bf15317eb4f..7884efc5494 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/profiler.c b/src/profiler.c
index 84583cec765..9d2e828f221 100644
--- a/src/profiler.c
+++ b/src/profiler.c
@@ -1,6 +1,6 @@
 /* Profiler implementation.
 
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ptr-bounds.h b/src/ptr-bounds.h
index b7798168a58..22d49f25b6c 100644
--- a/src/ptr-bounds.h
+++ b/src/ptr-bounds.h
@@ -1,6 +1,6 @@
 /* Pointer bounds checking for GNU Emacs
 
-Copyright 2017-2019 Free Software Foundation, Inc.
+Copyright 2017-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/puresize.h b/src/puresize.h
index f5fad8b42b6..7611f6e53f4 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/ralloc.c b/src/ralloc.c
index 66ea2ec4119..a7cac137329 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -1,5 +1,5 @@
 /* Block-relocating memory allocator.
-   Copyright (C) 1993, 1995, 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/regex-emacs.c b/src/regex-emacs.c
index bf2ad072f56..552216cd87b 100644
--- a/src/regex-emacs.c
+++ b/src/regex-emacs.c
@@ -1,6 +1,6 @@
 /* Emacs regular expression matching and search
 
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 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 ddf14e0d9e1..354408bb2a7 100644
--- a/src/regex-emacs.h
+++ b/src/regex-emacs.h
@@ -1,7 +1,7 @@
 /* Emacs regular expression API
 
-   Copyright (C) 1985, 1989-1993, 1995, 2000-2019 Free Software Foundation,
-   Inc.
+   Copyright (C) 1985, 1989-1993, 1995, 2000-2020 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/region-cache.c b/src/region-cache.c
index 57a26f2fa64..836296764d1 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, 2001-2019 Free Software Foundation,
+Copyright (C) 1985-1989, 1993, 1995, 2001-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/region-cache.h b/src/region-cache.h
index c528f78be6c..46e45a2fbdb 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, 2001-2019 Free Software Foundation,
+Copyright (C) 1985-1986, 1993, 1995, 2001-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/scroll.c b/src/scroll.c
index e6c058351ab..145c256048a 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, 2001-2019 Free Software
+Copyright (C) 1985-1986, 1990, 1993-1994, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/search.c b/src/search.c
index 9d95dcbca58..818bb4af246 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, 2001-2019 Free Software
+Copyright (C) 1985-1987, 1993-1994, 1997-1999, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sheap.c b/src/sheap.c
index 015ee5786ff..7d6429c532c 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) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sheap.h b/src/sheap.h
index a5653288f5b..50f602a4467 100644
--- a/src/sheap.h
+++ b/src/sheap.h
@@ -1,6 +1,6 @@
 /* Static heap allocation for GNU Emacs.
 
-Copyright 2016-2019 Free Software Foundation, Inc.
+Copyright 2016-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sound.c b/src/sound.c
index 60bf530564f..f74c4769a44 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -1,6 +1,6 @@
 /* sound.c -- sound support.
 
-Copyright (C) 1998-1999, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1998-1999, 2001-2020 Free Software Foundation, Inc.
 
 Author: Gerd Moellmann <gerd@gnu.org>
 
diff --git a/src/syntax.c b/src/syntax.c
index 0f539da328a..e24b98da32a 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, 2001-2019 Free
+   Copyright (C) 1985, 1987, 1993-1995, 1997-1999, 2001-2020 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/syntax.h b/src/syntax.h
index 6d3851ff72f..a2ec3301bab 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, 2001-2019 Free Software
+Copyright (C) 1985, 1993-1994, 1997-1998, 2001-2020 Free Software
 Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysdep.c b/src/sysdep.c
index b436bfe74a8..cb2f7f2f23c 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, 1999-2019 Free Software
+   Copyright (C) 1985-1988, 1993-1995, 1999-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/sysselect.h b/src/sysselect.h
index 25e8f51f96f..ecba1f329ee 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syssignal.h b/src/syssignal.h
index 82e376126ae..a3e462b5385 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -1,6 +1,6 @@
 /* syssignal.h - System-dependent definitions for signals.
 
-Copyright (C) 1993, 1999, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1993, 1999, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sysstdio.h b/src/sysstdio.h
index 1e1180a4d31..461019273bd 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -1,6 +1,6 @@
 /* Standard I/O for Emacs.
 
-Copyright 2013-2019 Free Software Foundation, Inc.
+Copyright 2013-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.c b/src/systhread.c
index baa30751c79..c3e4e6a2c5a 100644
--- a/src/systhread.c
+++ b/src/systhread.c
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systhread.h b/src/systhread.h
index 8070bcde752..5368acfb52c 100644
--- a/src/systhread.h
+++ b/src/systhread.h
@@ -1,5 +1,5 @@
 /* System thread definitions
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systime.h b/src/systime.h
index 2f783efcfca..00ca4a1c58d 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, 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2002-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/systty.h b/src/systty.h
index f2cd231efe7..43fe824123f 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -1,5 +1,5 @@
 /* systty.h - System-dependent definitions for terminals.
-   Copyright (C) 1993-1994, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/syswait.h b/src/syswait.h
index f631b71eed6..57b0f70eced 100644
--- a/src/syswait.h
+++ b/src/syswait.h
@@ -1,5 +1,5 @@
 /* Define wait system call interface for Emacs.
-   Copyright (C) 1993-1995, 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1995, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/term.c b/src/term.c
index 642010549bf..871734318c0 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, 2000-2019 Free Software
+   Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/termcap.c b/src/termcap.c
index 7dc0d572888..cc6f2d11acd 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, 2013-2019 Free
+   Copyright (C) 1985-1986, 1993-1995, 2000-2008, 2011, 2013-2020 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 11c964b2b6d..c96b81913b0 100644
--- a/src/termchar.h
+++ b/src/termchar.h
@@ -1,5 +1,5 @@
 /* Flags and parameters describing terminal's characteristics.
-   Copyright (C) 1985-1986, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termhooks.h b/src/termhooks.h
index 4830a85d31b..d18b750c3a2 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, 2001-2019 Free Software Foundation,
+Copyright (C) 1985-1986, 1993-1994, 2001-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/terminal.c b/src/terminal.c
index dfcd5b0a836..e3b666ba61d 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -1,5 +1,5 @@
 /* Functions related to terminal devices.
-   Copyright (C) 2005-2019 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/terminfo.c b/src/terminfo.c
index 7ca25486249..51fd32e9e01 100644
--- a/src/terminfo.c
+++ b/src/terminfo.c
@@ -1,5 +1,5 @@
 /* Interface from Emacs to terminfo.
-   Copyright (C) 1985-1986, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1985-1986, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/termopts.h b/src/termopts.h
index a7a825bc178..5c5caeab52f 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, 2001-2019 Free Software Foundation,
+   Copyright (C) 1985-1986, 1990, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/textprop.c b/src/textprop.c
index 858b077ec18..ee048336ac0 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, 1999-2019 Free Software Foundation,
+   Copyright (C) 1993-1995, 1997, 1999-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/thread.c b/src/thread.c
index 42c2bf52d28..f81163414bb 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -1,5 +1,5 @@
 /* Threading code.
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/thread.h b/src/thread.h
index 2b85f0893e7..e96a063a10b 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -1,5 +1,5 @@
 /* Thread definitions
-Copyright (C) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/timefns.c b/src/timefns.c
index cb04d39aa13..46f9193d6a1 100644
--- a/src/timefns.c
+++ b/src/timefns.c
@@ -1,6 +1,6 @@
 /* Timestamp functions for Emacs
 
-Copyright (C) 1985-1987, 1989, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1989, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/tparam.c b/src/tparam.c
index 9f177859684..6afef2ef849 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, 2013-2019 Free
+   Copyright (C) 1985, 1987, 1993, 1995, 2000-2008, 2013-2020 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 6918c9e7a0f..5cab1479ade 100644
--- a/src/tparam.h
+++ b/src/tparam.h
@@ -1,6 +1,6 @@
 /* Interface definitions for termcap entries.
 
-Copyright (C) 2011-2019 Free Software Foundation, Inc.
+Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/undo.c b/src/undo.c
index 78e51ead665..0fcd8af240a 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1,5 +1,5 @@
 /* undo handling for GNU Emacs.
-   Copyright (C) 1990, 1993-1994, 2000-2019 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexaix.c b/src/unexaix.c
index c95486cf72a..0e57b25c51d 100644
--- a/src/unexaix.c
+++ b/src/unexaix.c
@@ -1,5 +1,5 @@
 /* Dump an executable file.
-   Copyright (C) 1985-1988, 1999, 2001-2019 Free Software Foundation,
+   Copyright (C) 1985-1988, 1999, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcoff.c b/src/unexcoff.c
index 03ff99460d0..3daa9d149b1 100644
--- a/src/unexcoff.c
+++ b/src/unexcoff.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1992-1994, 2001-2019 Free Software
+/* Copyright (C) 1985-1988, 1992-1994, 2001-2020 Free Software
  * Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexcw.c b/src/unexcw.c
index a6e30f6a21e..83efbc74bb1 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) 2004-2019 Free Software Foundation, Inc.
+   Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexelf.c b/src/unexelf.c
index 79b3d444639..2506cc61175 100644
--- a/src/unexelf.c
+++ b/src/unexelf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1985-1988, 1990, 1992, 1999-2019 Free Software
+/* Copyright (C) 1985-1988, 1990, 1992, 1999-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/unexmacosx.c b/src/unexmacosx.c
index 5f52cedb2b7..8d132417e89 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) 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/unexw32.c b/src/unexw32.c
index 59feaa74b9f..3c0f33557dd 100644
--- a/src/unexw32.c
+++ b/src/unexw32.c
@@ -1,5 +1,5 @@
 /* unexec for GNU Emacs on Windows NT.
-   Copyright (C) 1994, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/vm-limit.c b/src/vm-limit.c
index 20ddaa917f9..1a07ecfb323 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -1,5 +1,5 @@
 /* Functions for memory limit warnings.
-   Copyright (C) 1990, 1992, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1992, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w16select.c b/src/w16select.c
index 3eb219954af..5a68162e25c 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, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1996-1997, 2001-2020 Free Software Foundation, Inc.
 
 Author: Dale P. Smith <dpsm@en.com>
 
diff --git a/src/w32.c b/src/w32.c
index 9f3c1b5d6ed..62c53fd7711 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, 2000-2019 Free Software Foundation, Inc.
+Copyright (C) 1994-1995, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32.h b/src/w32.h
index 3ef78ecdee2..b8655ec788c 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32common.h b/src/w32common.h
index adde784634a..eb7faa1939a 100644
--- a/src/w32common.h
+++ b/src/w32common.h
@@ -1,5 +1,5 @@
 /* Common functions for Microsoft Windows builds of Emacs
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32console.c b/src/w32console.c
index c50bb67cd2c..72df888b749 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1999, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32cygwinx.c b/src/w32cygwinx.c
index 3b994b16b3f..2d729834600 100644
--- a/src/w32cygwinx.c
+++ b/src/w32cygwinx.c
@@ -1,6 +1,6 @@
 /* Common functions for the Microsoft Windows and Cygwin builds.
 
-Copyright (C) 2018-2019 Free Software Foundation, Inc.
+Copyright (C) 2018-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32fns.c b/src/w32fns.c
index bf2a7a3e54e..75e0d531a23 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, 1992-2019 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.c b/src/w32font.c
index 60020eab4a0..c1d5f25d251 100644
--- a/src/w32font.c
+++ b/src/w32font.c
@@ -1,5 +1,5 @@
 /* Font backend for the Microsoft Windows API.
-   Copyright (C) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32font.h b/src/w32font.h
index c7bb7f30570..a76f8c30cec 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) 2007-2019 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32gui.h b/src/w32gui.h
index 62bad33c19b..5cc64287291 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32heap.c b/src/w32heap.c
index 9a59a1f0758..3a6c7804675 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
 
    This file is part of GNU Emacs.
 
diff --git a/src/w32heap.h b/src/w32heap.h
index 13f7a6325b2..5c062671494 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32inevt.c b/src/w32inevt.c
index 4312e52b6b4..7023e7144a3 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, 2001-2019 Free Software Foundation,
+   Copyright (C) 1992-1993, 1995, 2001-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32inevt.h b/src/w32inevt.h
index 5832c3f1df4..3426ac6251f 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32menu.c b/src/w32menu.c
index 669161c408b..e076043f7b7 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, 2001-2019 Free
+   Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2020 Free
    Software Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/w32notify.c b/src/w32notify.c
index 53787fd45db..0871abb6027 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) 2012-2019 Free Software Foundation, Inc.
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 Author: Eli Zaretskii <eliz@gnu.org>
 
diff --git a/src/w32proc.c b/src/w32proc.c
index 75e345a525a..de337269050 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, 1999-2019 Free Software Foundation, Inc.
+Copyright (C) 1992, 1995, 1999-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32reg.c b/src/w32reg.c
index f156c378f93..9ef50afce33 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, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1990, 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
 
diff --git a/src/w32select.c b/src/w32select.c
index af4f0496ed9..9a4b43bc69a 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, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
 Author: Kevin Gallo
         Benjamin Riefenstahl
diff --git a/src/w32select.h b/src/w32select.h
index 3f8f4692808..2cdc51994a3 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, 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.c b/src/w32term.c
index 17bf408c205..c38e7409d90 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, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32term.h b/src/w32term.h
index 378f274d7ed..5a54f542365 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, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32uniscribe.c b/src/w32uniscribe.c
index 3ef4e31b4fb..7a84b21f9da 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) 2008-2019 Free Software Foundation, Inc.
+   Copyright (C) 2008-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/w32xfns.c b/src/w32xfns.c
index a5966b26e51..70cee559f3c 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, 2001-2019 Free Software
+   Copyright (C) 1989, 1992-1995, 1999, 2001-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/widget.c b/src/widget.c
index e8eaf0fadf0..b141612b539 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -1,5 +1,5 @@
 /* The emacs frame widget.
-   Copyright (C) 1992-1993, 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 1992-1993, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widget.h b/src/widget.h
index 00b538fc014..7ec5b63e128 100644
--- a/src/widget.h
+++ b/src/widget.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget public header file.
-   Copyright (C) 1993, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/widgetprv.h b/src/widgetprv.h
index 075fd6070cf..cf7cad7c01a 100644
--- a/src/widgetprv.h
+++ b/src/widgetprv.h
@@ -1,5 +1,5 @@
 /* The emacs frame widget private header file.
-   Copyright (C) 1993, 2001-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/window.c b/src/window.c
index 1962e07f8d0..ff17cd88f38 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, 2000-2019 Free Software
+   Copyright (C) 1985-1987, 1993-1998, 2000-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/window.h b/src/window.h
index 6dbeae1fecc..aa8d2c8d1d2 100644
--- a/src/window.h
+++ b/src/window.h
@@ -1,5 +1,5 @@
 /* Window definitions for GNU Emacs.
-   Copyright (C) 1985-1986, 1993, 1995, 1997-2019 Free Software
+   Copyright (C) 1985-1986, 1993, 1995, 1997-2020 Free Software
    Foundation, Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xdisp.c b/src/xdisp.c
index 623c5526937..6b677b63ae4 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, 1997-2019 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2020 Free Software Foundation,
 Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xfaces.c b/src/xfaces.c
index c5515e71512..3689b9ee7d3 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -1,6 +1,6 @@
 /* xfaces.c -- "Face" primitives.
 
-Copyright (C) 1993-1994, 1998-2019 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 1998-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xfns.c b/src/xfns.c
index 0ce1e73397f..b94666d5548 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1,6 +1,6 @@
 /* Functions for the X Window System.
 
-Copyright (C) 1989, 1992-2019 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -4572,6 +4572,8 @@ On MS Windows, this just returns nil.  */)
     return Qnil;
 }
 
+#ifndef USE_GTK
+
 /* Store the geometry of the workarea on display DPYINFO into *RECT.
    Return false if and only if the workarea information cannot be
    obtained via the _NET_WORKAREA root window property.  */
@@ -4634,8 +4636,6 @@ x_get_net_workarea (struct x_display_info *dpyinfo, XRectangle *rect)
   return result;
 }
 
-#ifndef USE_GTK
-
 /* Return monitor number where F is "most" or closest to.  */
 static int
 x_get_monitor_for_frame (struct frame *f,
diff --git a/src/xfont.c b/src/xfont.c
index e7a0cb2277d..f6131dcec5a 100644
--- a/src/xfont.c
+++ b/src/xfont.c
@@ -1,5 +1,5 @@
 /* xfont.c -- X core font driver.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 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 7d84e0e0d63..eb60d219a72 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -1,5 +1,5 @@
 /* xftfont.c -- XFT font driver.
-   Copyright (C) 2006-2019 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 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 9982a1f0e98..f8d0bac7fac 100644
--- a/src/xgselect.c
+++ b/src/xgselect.c
@@ -1,6 +1,6 @@
 /* Function for handling the GLib event loop.
 
-Copyright (C) 2009-2019 Free Software Foundation, Inc.
+Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xgselect.h b/src/xgselect.h
index 92c79c5f641..a38591f3296 100644
--- a/src/xgselect.h
+++ b/src/xgselect.h
@@ -1,6 +1,6 @@
 /* Header for xg_select.
 
-Copyright (C) 2009-2019 Free Software Foundation, Inc.
+Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xmenu.c b/src/xmenu.c
index 22d1cc21aa8..9201a283b47 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, 1999-2019 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2020 Free Software
 Foundation, Inc.
 
 Author: Jon Arnold
diff --git a/src/xml.c b/src/xml.c
index 60bd958952a..d7da86404f6 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1,5 +1,5 @@
 /* Interface to libxml2.
-   Copyright (C) 2010-2019 Free Software Foundation, Inc.
+   Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xrdb.c b/src/xrdb.c
index 9c625e9821e..ad7155c106e 100644
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -1,5 +1,5 @@
 /* Deal with the X Resource Manager.
-   Copyright (C) 1990, 1993-1994, 2000-2019 Free Software Foundation,
+   Copyright (C) 1990, 1993-1994, 2000-2020 Free Software Foundation,
    Inc.
 
 Author: Joseph Arceneaux
diff --git a/src/xselect.c b/src/xselect.c
index 6bb35607a51..48d6215a7bb 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -1,5 +1,5 @@
 /* X Selection processing for Emacs.
-   Copyright (C) 1993-1997, 2000-2019 Free Software Foundation, Inc.
+   Copyright (C) 1993-1997, 2000-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.c b/src/xsettings.c
index c23a5dc72c7..1ba1021e40b 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -1,6 +1,6 @@
 /* Functions for handling font and other changes dynamically.
 
-Copyright (C) 2009-2019 Free Software Foundation, Inc.
+Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsettings.h b/src/xsettings.h
index d5609f84c08..f29ce77c7f0 100644
--- a/src/xsettings.h
+++ b/src/xsettings.h
@@ -1,6 +1,6 @@
 /* Functions for handle font changes dynamically.
 
-Copyright (C) 2009-2019 Free Software Foundation, Inc.
+Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xsmfns.c b/src/xsmfns.c
index 1706cddf27c..203085e24f1 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) 2002-2019 Free Software Foundation, Inc.
+Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.c b/src/xterm.c
index 55e5cb76f2d..ada3cec1636 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, 1993-2019 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xterm.h b/src/xterm.h
index 69af552e078..51e75890b60 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, 1998-2019 Free Software Foundation,
+   Copyright (C) 1989, 1993-1994, 1998-2020 Free Software Foundation,
    Inc.
 
 This file is part of GNU Emacs.
diff --git a/src/xwidget.c b/src/xwidget.c
index ecb37936293..ea8987f5b3b 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2019 Free Software Foundation, Inc.
+Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/xwidget.h b/src/xwidget.h
index 1b6368daabf..99fa8bbd612 100644
--- a/src/xwidget.h
+++ b/src/xwidget.h
@@ -1,6 +1,6 @@
 /* Support for embedding graphical components in a buffer.
 
-Copyright (C) 2011-2019 Free Software Foundation, Inc.
+Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.