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

56 files changed, 58 insertions, 57 deletions

diff --git a/doc/lispref/ChangeLog.1 b/doc/lispref/ChangeLog.1
index a271d2158cc..8d92a943d57 100644
--- a/doc/lispref/ChangeLog.1
+++ b/doc/lispref/ChangeLog.1
@@ -13989,7 +13989,7 @@
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 1998-2019 Free Software Foundation, Inc.
+  Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/doc/lispref/Makefile.in b/doc/lispref/Makefile.in
index 5de04a7784c..1705852f990 100644
--- a/doc/lispref/Makefile.in
+++ b/doc/lispref/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 1990-1996, 1998-2019 Free Software Foundation, Inc.
+# Copyright (C) 1990-1996, 1998-2020 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/doc/lispref/README b/doc/lispref/README
index 3e121bfd2bb..ac0c2b554eb 100644
--- a/doc/lispref/README
+++ b/doc/lispref/README
@@ -1,4 +1,4 @@
-Copyright (C) 2001-2019 Free Software Foundation, Inc.  -*- outline -*-
+Copyright (C) 2001-2020 Free Software Foundation, Inc.  -*- outline -*-
 See the end of the file for license conditions.
 
 
diff --git a/doc/lispref/abbrevs.texi b/doc/lispref/abbrevs.texi
index b67c014a83d..6689b560c78 100644
--- a/doc/lispref/abbrevs.texi
+++ b/doc/lispref/abbrevs.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 1999, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1994, 1999, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Abbrevs
diff --git a/doc/lispref/anti.texi b/doc/lispref/anti.texi
index 6066e266387..5421d77762f 100644
--- a/doc/lispref/anti.texi
+++ b/doc/lispref/anti.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1999, 2002-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1999, 2002--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 
 @c This node must have no pointers.
diff --git a/doc/lispref/back.texi b/doc/lispref/back.texi
index c4c346628bf..817249ee01a 100644
--- a/doc/lispref/back.texi
+++ b/doc/lispref/back.texi
@@ -1,6 +1,6 @@
 \input texinfo  @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @c
 @c %**start of header
diff --git a/doc/lispref/backups.texi b/doc/lispref/backups.texi
index c17d98eb190..b7318a99b8f 100644
--- a/doc/lispref/backups.texi
+++ b/doc/lispref/backups.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1999, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1995, 1999, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Backups and Auto-Saving
diff --git a/doc/lispref/buffers.texi b/doc/lispref/buffers.texi
index 260f159851b..33528fc7fec 100644
--- a/doc/lispref/buffers.texi
+++ b/doc/lispref/buffers.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Buffers
diff --git a/doc/lispref/commands.texi b/doc/lispref/commands.texi
index c5427b172e3..d25f0093618 100644
--- a/doc/lispref/commands.texi
+++ b/doc/lispref/commands.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Command Loop
diff --git a/doc/lispref/compile.texi b/doc/lispref/compile.texi
index 4ff0e1c91e4..311b6f5b3fb 100644
--- a/doc/lispref/compile.texi
+++ b/doc/lispref/compile.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1994, 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Byte Compilation
 @chapter Byte Compilation
diff --git a/doc/lispref/control.texi b/doc/lispref/control.texi
index 31948fa079f..c601e3af9bc 100644
--- a/doc/lispref/control.texi
+++ b/doc/lispref/control.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Control Structures
diff --git a/doc/lispref/customize.texi b/doc/lispref/customize.texi
index a44446b1319..172809b29d8 100644
--- a/doc/lispref/customize.texi
+++ b/doc/lispref/customize.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1997-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1997--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Customization
 @chapter Customization Settings
diff --git a/doc/lispref/debugging.texi b/doc/lispref/debugging.texi
index b7eca1e50f8..24ec656028f 100644
--- a/doc/lispref/debugging.texi
+++ b/doc/lispref/debugging.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1994, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Debugging
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 6952cb58130..e4980fe4c36 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1995, 1998--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Display
 @chapter Emacs Display
diff --git a/doc/lispref/edebug.texi b/doc/lispref/edebug.texi
index 60d4c084322..8be8307c75f 100644
--- a/doc/lispref/edebug.texi
+++ b/doc/lispref/edebug.texi
@@ -1,6 +1,6 @@
 @comment -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1992-1994, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1992--1994, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 
diff --git a/doc/lispref/elisp.texi b/doc/lispref/elisp.texi
index 72ad8a751d0..c157079bc75 100644
--- a/doc/lispref/elisp.texi
+++ b/doc/lispref/elisp.texi
@@ -99,7 +99,8 @@ This is the @cite{GNU Emacs Lisp Reference Manual}
 @end ifclear
 corresponding to Emacs version @value{EMACSVER}.
 
-Copyright @copyright{} 1990--1996, 1998--2019 Free Software Foundation, Inc.
+Copyright @copyright{} 1990--1996, 1998--2020 Free Software Foundation,
+Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/lispref/errors.texi b/doc/lispref/errors.texi
index dc9089ad1e3..dc6877c9eca 100644
--- a/doc/lispref/errors.texi
+++ b/doc/lispref/errors.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1993, 1999, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1993, 1999, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Standard Errors
diff --git a/doc/lispref/eval.texi b/doc/lispref/eval.texi
index 39c5a1ec506..f6f36ed3427 100644
--- a/doc/lispref/eval.texi
+++ b/doc/lispref/eval.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 1998, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1994, 1998, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Evaluation
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index 30ff559d92c..a93da39f174 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Files
diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 81a3dc660cd..05038c6f52b 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Frames
diff --git a/doc/lispref/functions.texi b/doc/lispref/functions.texi
index 4307aab9268..8e3e6aefb00 100644
--- a/doc/lispref/functions.texi
+++ b/doc/lispref/functions.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Functions
diff --git a/doc/lispref/hash.texi b/doc/lispref/hash.texi
index 50d4c5742cb..12781c6cb95 100644
--- a/doc/lispref/hash.texi
+++ b/doc/lispref/hash.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1999, 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1999, 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Hash Tables
 @chapter Hash Tables
diff --git a/doc/lispref/help.texi b/doc/lispref/help.texi
index 63a782c3263..eea1fd2e8f1 100644
--- a/doc/lispref/help.texi
+++ b/doc/lispref/help.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Documentation
diff --git a/doc/lispref/hooks.texi b/doc/lispref/hooks.texi
index 26d26bed8ae..a8b4d5619d3 100644
--- a/doc/lispref/hooks.texi
+++ b/doc/lispref/hooks.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1993, 1998, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1993, 1998, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Standard Hooks
diff --git a/doc/lispref/internals.texi b/doc/lispref/internals.texi
index 2c47d67e3fb..d95a3e445cc 100644
--- a/doc/lispref/internals.texi
+++ b/doc/lispref/internals.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1993, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1993, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node GNU Emacs Internals
diff --git a/doc/lispref/intro.texi b/doc/lispref/intro.texi
index 2596e87939b..8e4fbc7c31f 100644
--- a/doc/lispref/intro.texi
+++ b/doc/lispref/intro.texi
@@ -1,6 +1,6 @@
 @c -*-coding: utf-8-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1994, 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 
 @node Introduction
diff --git a/doc/lispref/keymaps.texi b/doc/lispref/keymaps.texi
index 813bf814394..259efea3248 100644
--- a/doc/lispref/keymaps.texi
+++ b/doc/lispref/keymaps.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 1998-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1994, 1998--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Keymaps
 @chapter Keymaps
diff --git a/doc/lispref/lay-flat.texi b/doc/lispref/lay-flat.texi
index 1f12efe3559..3cca5189b1b 100644
--- a/doc/lispref/lay-flat.texi
+++ b/doc/lispref/lay-flat.texi
@@ -1,6 +1,6 @@
 \input texinfo    @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @c
 @comment %**start of header
diff --git a/doc/lispref/lists.texi b/doc/lispref/lists.texi
index 92972b040d1..5ef21d06710 100644
--- a/doc/lispref/lists.texi
+++ b/doc/lispref/lists.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Lists
diff --git a/doc/lispref/loading.texi b/doc/lispref/loading.texi
index 821e67e6df9..28942820793 100644
--- a/doc/lispref/loading.texi
+++ b/doc/lispref/loading.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Loading
diff --git a/doc/lispref/macros.texi b/doc/lispref/macros.texi
index a422ba9750d..eeb4152a5ba 100644
--- a/doc/lispref/macros.texi
+++ b/doc/lispref/macros.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1995, 1998, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Macros
diff --git a/doc/lispref/maps.texi b/doc/lispref/maps.texi
index 7743f3cb3c4..1e84f9b3bb1 100644
--- a/doc/lispref/maps.texi
+++ b/doc/lispref/maps.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1993, 1999, 2001-2019 Free Software Foundation,
+@c Copyright (C) 1990--1993, 1999, 2001--2020 Free Software Foundation,
 @c Inc.
 @c See the file elisp.texi for copying conditions.
 @node Standard Keymaps
diff --git a/doc/lispref/markers.texi b/doc/lispref/markers.texi
index 27fe1414f09..686b87771fd 100644
--- a/doc/lispref/markers.texi
+++ b/doc/lispref/markers.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Markers
diff --git a/doc/lispref/minibuf.texi b/doc/lispref/minibuf.texi
index 2c2ef9747b4..0f60b3fd00d 100644
--- a/doc/lispref/minibuf.texi
+++ b/doc/lispref/minibuf.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Minibuffers
diff --git a/doc/lispref/modes.texi b/doc/lispref/modes.texi
index c554ccdf4a0..7354eb1b9f8 100644
--- a/doc/lispref/modes.texi
+++ b/doc/lispref/modes.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Modes
diff --git a/doc/lispref/nonascii.texi b/doc/lispref/nonascii.texi
index a3789dd6678..51831a05cc2 100644
--- a/doc/lispref/nonascii.texi
+++ b/doc/lispref/nonascii.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1998-1999, 2001-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1998--1999, 2001--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Non-ASCII Characters
 @chapter Non-@acronym{ASCII} Characters
diff --git a/doc/lispref/numbers.texi b/doc/lispref/numbers.texi
index 3127354ee2e..e952980f26f 100644
--- a/doc/lispref/numbers.texi
+++ b/doc/lispref/numbers.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Numbers
diff --git a/doc/lispref/objects.texi b/doc/lispref/objects.texi
index e493210f92f..4be2eb6918b 100644
--- a/doc/lispref/objects.texi
+++ b/doc/lispref/objects.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Lisp Data Types
diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi
index 97edcc392a6..201ca18c1e4 100644
--- a/doc/lispref/os.texi
+++ b/doc/lispref/os.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node System Interface
diff --git a/doc/lispref/package.texi b/doc/lispref/package.texi
index 236855bdf86..af87479c7d2 100644
--- a/doc/lispref/package.texi
+++ b/doc/lispref/package.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 2010-2019 Free Software Foundation, Inc.
+@c Copyright (C) 2010--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Packaging
 @chapter Preparing Lisp code for distribution
diff --git a/doc/lispref/positions.texi b/doc/lispref/positions.texi
index 7e5155782c1..d7856ce73e3 100644
--- a/doc/lispref/positions.texi
+++ b/doc/lispref/positions.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1995, 1998--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Positions
 @chapter Positions
diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi
index 47ce7c8f900..6970f718ee0 100644
--- a/doc/lispref/processes.texi
+++ b/doc/lispref/processes.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Processes
diff --git a/doc/lispref/records.texi b/doc/lispref/records.texi
index 3a89b687351..f7a21a4b8c6 100644
--- a/doc/lispref/records.texi
+++ b/doc/lispref/records.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 2017-2019 Free Software Foundation, Inc.
+@c Copyright (C) 2017--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Records
 @chapter Records
diff --git a/doc/lispref/searching.texi b/doc/lispref/searching.texi
index c8d263d972e..3d7ea932863 100644
--- a/doc/lispref/searching.texi
+++ b/doc/lispref/searching.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Searching and Matching
diff --git a/doc/lispref/sequences.texi b/doc/lispref/sequences.texi
index 4b67a5f9f1a..1a3a04f680b 100644
--- a/doc/lispref/sequences.texi
+++ b/doc/lispref/sequences.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Sequences Arrays Vectors
diff --git a/doc/lispref/streams.texi b/doc/lispref/streams.texi
index 08c3e519ebe..6d0b4b08083 100644
--- a/doc/lispref/streams.texi
+++ b/doc/lispref/streams.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1994, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1994, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Read and Print
diff --git a/doc/lispref/strings.texi b/doc/lispref/strings.texi
index 69d571fab8a..14cabc5d79d 100644
--- a/doc/lispref/strings.texi
+++ b/doc/lispref/strings.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Strings and Characters
diff --git a/doc/lispref/symbols.texi b/doc/lispref/symbols.texi
index 936bda9b36e..dad29554562 100644
--- a/doc/lispref/symbols.texi
+++ b/doc/lispref/symbols.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Symbols
diff --git a/doc/lispref/syntax.texi b/doc/lispref/syntax.texi
index 364180b9920..ad45a8edaff 100644
--- a/doc/lispref/syntax.texi
+++ b/doc/lispref/syntax.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Syntax Tables
diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index 9bc6213f3ac..527057eed59 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1995, 1998--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Text
 @chapter Text
diff --git a/doc/lispref/threads.texi b/doc/lispref/threads.texi
index db68f9192bd..de19c0604c2 100644
--- a/doc/lispref/threads.texi
+++ b/doc/lispref/threads.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 2012-2019 Free Software Foundation, Inc.
+@c Copyright (C) 2012--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Threads
 @chapter Threads
diff --git a/doc/lispref/tips.texi b/doc/lispref/tips.texi
index eb038164752..4395069fe24 100644
--- a/doc/lispref/tips.texi
+++ b/doc/lispref/tips.texi
@@ -1,6 +1,6 @@
 @c -*- mode: texinfo; coding: utf-8 -*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1993, 1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1993, 1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Tips
@@ -953,7 +953,7 @@ explains these conventions, starting with an example:
 @group
 ;;; foo.el --- Support for the Foo programming language
 
-;; Copyright (C) 2010-2019 Your Name
+;; Copyright (C) 2010-2020 Your Name
 @end group
 
 ;; Author: Your Name <yourname@@example.com>
diff --git a/doc/lispref/two-volume-cross-refs.txt b/doc/lispref/two-volume-cross-refs.txt
index e3db8ff651b..63f55634649 100644
--- a/doc/lispref/two-volume-cross-refs.txt
+++ b/doc/lispref/two-volume-cross-refs.txt
@@ -1,4 +1,4 @@
-Copyright (C) 2001-2019 Free Software Foundation, Inc.
+Copyright (C) 2001-2020 Free Software Foundation, Inc.
 See end for copying conditions.
 
 Two Volume Cross References
diff --git a/doc/lispref/two-volume.make b/doc/lispref/two-volume.make
index 63c97c23958..133c50be23e 100644
--- a/doc/lispref/two-volume.make
+++ b/doc/lispref/two-volume.make
@@ -1,4 +1,4 @@
-# Copyright (C) 2007-2019 Free Software Foundation, Inc.
+# Copyright (C) 2007-2020 Free Software Foundation, Inc.
 # See end for copying conditions.
 
 # although it would be nice to use tex rather than pdftex to avoid
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi
index f7fe738ac30..1ec97e2f3de 100644
--- a/doc/lispref/variables.texi
+++ b/doc/lispref/variables.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1990--1995, 1998--2020 Free Software Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Variables
 @chapter Variables
diff --git a/doc/lispref/windows.texi b/doc/lispref/windows.texi
index 9ddd69ab7e7..c9301c9d186 100644
--- a/doc/lispref/windows.texi
+++ b/doc/lispref/windows.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990-1995, 1998-1999, 2001-2019 Free Software
+@c Copyright (C) 1990--1995, 1998--1999, 2001--2020 Free Software
 @c Foundation, Inc.
 @c See the file elisp.texi for copying conditions.
 @node Windows