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

103 files changed, 103 insertions, 103 deletions

diff --git a/lisp/gnus/ChangeLog.1 b/lisp/gnus/ChangeLog.1
index 7c59bde4914..e3265303437 100644
--- a/lisp/gnus/ChangeLog.1
+++ b/lisp/gnus/ChangeLog.1
@@ -3702,7 +3702,7 @@
         * gnus.el: Quassia Gnus v0.1 is released.
 
 
-  Copyright (C) 1997-2019 Free Software Foundation, Inc.
+  Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/lisp/gnus/ChangeLog.2 b/lisp/gnus/ChangeLog.2
index fcdc7a899d2..2f5dd22930e 100644
--- a/lisp/gnus/ChangeLog.2
+++ b/lisp/gnus/ChangeLog.2
@@ -18538,7 +18538,7 @@
 
 See ChangeLog.1 for earlier changes.
 
-  Copyright (C) 2000-2002, 2004-2019 Free Software Foundation, Inc.
+  Copyright (C) 2000-2002, 2004-2020 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/lisp/gnus/ChangeLog.3 b/lisp/gnus/ChangeLog.3
index b8070668efd..70eaeb510ac 100644
--- a/lisp/gnus/ChangeLog.3
+++ b/lisp/gnus/ChangeLog.3
@@ -26325,7 +26325,7 @@
 
 See ChangeLog.2 for earlier changes.
 
-  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/lisp/gnus/canlock.el b/lisp/gnus/canlock.el
index 7edc91a2a46..ed0a89cf927 100644
--- a/lisp/gnus/canlock.el
+++ b/lisp/gnus/canlock.el
@@ -1,6 +1,6 @@
 ;;; canlock.el --- functions for Cancel-Lock feature
 
-;; Copyright (C) 1998-1999, 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-1999, 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Katsumi Yamaoka <yamaoka@jpl.org>
 ;; Keywords: news, cancel-lock, hmac, sha1, rfc2104
diff --git a/lisp/gnus/deuglify.el b/lisp/gnus/deuglify.el
index 8f242762376..0ce4a7d2928 100644
--- a/lisp/gnus/deuglify.el
+++ b/lisp/gnus/deuglify.el
@@ -1,6 +1,6 @@
 ;;; deuglify.el --- deuglify broken Outlook (Express) articles
 
-;; Copyright (C) 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Raymond Scholz <rscholz@zonix.de>
 ;;         Thomas Steffen
diff --git a/lisp/gnus/gmm-utils.el b/lisp/gnus/gmm-utils.el
index 6e324f9cb5f..2df098bc0bf 100644
--- a/lisp/gnus/gmm-utils.el
+++ b/lisp/gnus/gmm-utils.el
@@ -1,6 +1,6 @@
 ;;; gmm-utils.el --- Utility functions for Gnus, Message and MML
 
-;; Copyright (C) 2006-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2020 Free Software Foundation, Inc.
 
 ;; Author: Reiner Steib <reiner.steib@gmx.de>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-agent.el b/lisp/gnus/gnus-agent.el
index afe1997378d..9f22b7df0ff 100644
--- a/lisp/gnus/gnus-agent.el
+++ b/lisp/gnus/gnus-agent.el
@@ -1,6 +1,6 @@
 ;;; gnus-agent.el --- unplugged support for Gnus
 
-;; Copyright (C) 1997-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el
index a937e232ff4..754655d6793 100644
--- a/lisp/gnus/gnus-art.el
+++ b/lisp/gnus/gnus-art.el
@@ -1,6 +1,6 @@
 ;;; gnus-art.el --- article mode commands for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-async.el b/lisp/gnus/gnus-async.el
index 57f667c5e50..e3e81c8bbce 100644
--- a/lisp/gnus/gnus-async.el
+++ b/lisp/gnus/gnus-async.el
@@ -1,6 +1,6 @@
 ;;; gnus-async.el --- asynchronous support for Gnus  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-bcklg.el b/lisp/gnus/gnus-bcklg.el
index f478c39f370..d28ae857de0 100644
--- a/lisp/gnus/gnus-bcklg.el
+++ b/lisp/gnus/gnus-bcklg.el
@@ -1,6 +1,6 @@
 ;;; gnus-bcklg.el --- backlog functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-bookmark.el b/lisp/gnus/gnus-bookmark.el
index cc0a52f0158..ea4af2df0c4 100644
--- a/lisp/gnus/gnus-bookmark.el
+++ b/lisp/gnus/gnus-bookmark.el
@@ -1,6 +1,6 @@
 ;;; gnus-bookmark.el --- Bookmarks in Gnus
 
-;; Copyright (C) 2006-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2006-2020 Free Software Foundation, Inc.
 
 ;; Author: Bastien Guerry <bzg AT altern DOT org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-cache.el b/lisp/gnus/gnus-cache.el
index db73bf234a0..8b9acfe0510 100644
--- a/lisp/gnus/gnus-cache.el
+++ b/lisp/gnus/gnus-cache.el
@@ -1,6 +1,6 @@
 ;;; gnus-cache.el --- cache interface for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-cite.el b/lisp/gnus/gnus-cite.el
index 7f0da2a0fa0..912671a401d 100644
--- a/lisp/gnus/gnus-cite.el
+++ b/lisp/gnus/gnus-cite.el
@@ -1,6 +1,6 @@
 ;;; gnus-cite.el --- parse citations in articles for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
 
diff --git a/lisp/gnus/gnus-cloud.el b/lisp/gnus/gnus-cloud.el
index 485f815d9b9..cecfaef2f4f 100644
--- a/lisp/gnus/gnus-cloud.el
+++ b/lisp/gnus/gnus-cloud.el
@@ -1,6 +1,6 @@
 ;;; gnus-cloud.el --- storing and retrieving data via IMAP
 
-;; Copyright (C) 2014-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: mail
diff --git a/lisp/gnus/gnus-cus.el b/lisp/gnus/gnus-cus.el
index 57e7f7c8c35..f0c4d07ca93 100644
--- a/lisp/gnus/gnus-cus.el
+++ b/lisp/gnus/gnus-cus.el
@@ -1,6 +1,6 @@
 ;;; gnus-cus.el --- customization commands for Gnus
 
-;; Copyright (C) 1996, 1999-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1999-2020 Free Software Foundation, Inc.
 
 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-delay.el b/lisp/gnus/gnus-delay.el
index 512011fa73b..8dae4ef5c17 100644
--- a/lisp/gnus/gnus-delay.el
+++ b/lisp/gnus/gnus-delay.el
@@ -1,6 +1,6 @@
 ;;; gnus-delay.el --- Delayed posting of articles
 
-;; Copyright (C) 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Kai Großjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE>
 ;; Keywords: mail, news, extensions
diff --git a/lisp/gnus/gnus-demon.el b/lisp/gnus/gnus-demon.el
index 7ec471afc71..99a736f8f44 100644
--- a/lisp/gnus/gnus-demon.el
+++ b/lisp/gnus/gnus-demon.el
@@ -1,6 +1,6 @@
 ;;; gnus-demon.el --- daemonic Gnus behavior
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-diary.el b/lisp/gnus/gnus-diary.el
index 1697a633680..b36faa86a22 100644
--- a/lisp/gnus/gnus-diary.el
+++ b/lisp/gnus/gnus-diary.el
@@ -1,6 +1,6 @@
 ;;; gnus-diary.el --- Wrapper around the NNDiary Gnus back end
 
-;; Copyright (C) 1999-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
 ;; Author:        Didier Verna <didier@didierverna.net>
 ;; Created:       Tue Jul 20 10:42:55 1999
diff --git a/lisp/gnus/gnus-dired.el b/lisp/gnus/gnus-dired.el
index 818beca77b0..0063ed25ef6 100644
--- a/lisp/gnus/gnus-dired.el
+++ b/lisp/gnus/gnus-dired.el
@@ -1,6 +1,6 @@
 ;;; gnus-dired.el --- utility functions where gnus and dired meet
 
-;; Copyright (C) 1996-1999, 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-1999, 2001-2020 Free Software Foundation, Inc.
 
 ;; Authors: Benjamin Rutt <brutt@bloomington.in.us>,
 ;;          Shenghuo Zhu <zsh@cs.rochester.edu>
diff --git a/lisp/gnus/gnus-draft.el b/lisp/gnus/gnus-draft.el
index 0616dc8fd5a..1b25d247389 100644
--- a/lisp/gnus/gnus-draft.el
+++ b/lisp/gnus/gnus-draft.el
@@ -1,6 +1,6 @@
 ;;; gnus-draft.el --- draft message support for Gnus
 
-;; Copyright (C) 1997-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-dup.el b/lisp/gnus/gnus-dup.el
index 4981614a17f..1f247aa4aea 100644
--- a/lisp/gnus/gnus-dup.el
+++ b/lisp/gnus/gnus-dup.el
@@ -1,6 +1,6 @@
 ;;; gnus-dup.el --- suppression of duplicate articles in Gnus  -*- lexical-binding: t -*-
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-eform.el b/lisp/gnus/gnus-eform.el
index a1f71bb07f9..54118aad1e6 100644
--- a/lisp/gnus/gnus-eform.el
+++ b/lisp/gnus/gnus-eform.el
@@ -1,6 +1,6 @@
 ;;; gnus-eform.el --- a mode for editing forms for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-fun.el b/lisp/gnus/gnus-fun.el
index 323860bf18c..c95449762e4 100644
--- a/lisp/gnus/gnus-fun.el
+++ b/lisp/gnus/gnus-fun.el
@@ -1,6 +1,6 @@
 ;;; gnus-fun.el --- various frivolous extension functions to Gnus
 
-;; Copyright (C) 2002-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-gravatar.el b/lisp/gnus/gnus-gravatar.el
index ec3f909161f..e2bd4ed860c 100644
--- a/lisp/gnus/gnus-gravatar.el
+++ b/lisp/gnus/gnus-gravatar.el
@@ -1,6 +1,6 @@
 ;;; gnus-gravatar.el --- Gnus Gravatar support -*- lexical-binding: t -*-
 
-;; Copyright (C) 2010-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 ;; Author: Julien Danjou <julien@danjou.info>
 ;; Keywords: multimedia, news
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index 5d68163ff39..b89f040b435 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -1,6 +1,6 @@
 ;;; gnus-group.el --- group mode commands for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-html.el b/lisp/gnus/gnus-html.el
index 92d760f4bf7..002a1c1fded 100644
--- a/lisp/gnus/gnus-html.el
+++ b/lisp/gnus/gnus-html.el
@@ -1,6 +1,6 @@
 ;;; gnus-html.el --- Render HTML in a buffer.
 
-;; Copyright (C) 2010-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: html, web
diff --git a/lisp/gnus/gnus-icalendar.el b/lisp/gnus/gnus-icalendar.el
index f836bdd3c55..ee556a32080 100644
--- a/lisp/gnus/gnus-icalendar.el
+++ b/lisp/gnus/gnus-icalendar.el
@@ -1,6 +1,6 @@
 ;;; gnus-icalendar.el --- reply to iCalendar meeting requests  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2013-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2013-2020 Free Software Foundation, Inc.
 
 ;; Author: Jan Tatarik <Jan.Tatarik@gmail.com>
 ;; Keywords: mail, icalendar, org
diff --git a/lisp/gnus/gnus-int.el b/lisp/gnus/gnus-int.el
index a21bc258403..c304f575d92 100644
--- a/lisp/gnus/gnus-int.el
+++ b/lisp/gnus/gnus-int.el
@@ -1,6 +1,6 @@
 ;;; gnus-int.el --- backend interface functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-kill.el b/lisp/gnus/gnus-kill.el
index 442d26cf4fb..5edbaaf201b 100644
--- a/lisp/gnus/gnus-kill.el
+++ b/lisp/gnus/gnus-kill.el
@@ -1,6 +1,6 @@
 ;;; gnus-kill.el --- kill commands for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-logic.el b/lisp/gnus/gnus-logic.el
index 90f74205209..a29772f41e1 100644
--- a/lisp/gnus/gnus-logic.el
+++ b/lisp/gnus/gnus-logic.el
@@ -1,6 +1,6 @@
 ;;; gnus-logic.el --- advanced scoring code for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-mh.el b/lisp/gnus/gnus-mh.el
index 1420d705edf..64333692463 100644
--- a/lisp/gnus/gnus-mh.el
+++ b/lisp/gnus/gnus-mh.el
@@ -1,6 +1,6 @@
 ;;; gnus-mh.el --- mh-e interface for Gnus
 
-;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1994-2020 Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-ml.el b/lisp/gnus/gnus-ml.el
index ce04a15d671..acef537197c 100644
--- a/lisp/gnus/gnus-ml.el
+++ b/lisp/gnus/gnus-ml.el
@@ -1,6 +1,6 @@
 ;;; gnus-ml.el --- Mailing list minor mode for Gnus
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Julien Gilles <jgilles@free.fr>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/gnus-mlspl.el b/lisp/gnus/gnus-mlspl.el
index 74e132b7a48..8cbe858dc9e 100644
--- a/lisp/gnus/gnus-mlspl.el
+++ b/lisp/gnus/gnus-mlspl.el
@@ -1,6 +1,6 @@
 ;;; gnus-mlspl.el --- a group params-based mail splitting mechanism
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/gnus-msg.el b/lisp/gnus/gnus-msg.el
index 17f1086195e..466a62713ed 100644
--- a/lisp/gnus/gnus-msg.el
+++ b/lisp/gnus/gnus-msg.el
@@ -1,6 +1,6 @@
 ;;; gnus-msg.el --- mail and post interface for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-notifications.el b/lisp/gnus/gnus-notifications.el
index 34761645837..90e4a98b35d 100644
--- a/lisp/gnus/gnus-notifications.el
+++ b/lisp/gnus/gnus-notifications.el
@@ -1,6 +1,6 @@
 ;; gnus-notifications.el -- Send notification on new message in Gnus
 
-;; Copyright (C) 2012-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 ;; Author: Julien Danjou <julien@danjou.info>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-picon.el b/lisp/gnus/gnus-picon.el
index 18b46a1c12f..a4d2d99fb89 100644
--- a/lisp/gnus/gnus-picon.el
+++ b/lisp/gnus/gnus-picon.el
@@ -1,6 +1,6 @@
 ;;; gnus-picon.el --- displaying pretty icons in Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news xpm annotation glyph faces
diff --git a/lisp/gnus/gnus-range.el b/lisp/gnus/gnus-range.el
index 52bcf79d404..57a97936b1a 100644
--- a/lisp/gnus/gnus-range.el
+++ b/lisp/gnus/gnus-range.el
@@ -1,6 +1,6 @@
 ;;; gnus-range.el --- range and sequence functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-registry.el b/lisp/gnus/gnus-registry.el
index ff4c640c82f..fd2b44f7424 100644
--- a/lisp/gnus/gnus-registry.el
+++ b/lisp/gnus/gnus-registry.el
@@ -1,6 +1,6 @@
 ;;; gnus-registry.el --- article registry for Gnus
 
-;; Copyright (C) 2002-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 ;; Author: Ted Zlatanov <tzz@lifelogs.com>
 ;; Keywords: news registry
diff --git a/lisp/gnus/gnus-rfc1843.el b/lisp/gnus/gnus-rfc1843.el
index 344ac550df2..45a6aff1fae 100644
--- a/lisp/gnus/gnus-rfc1843.el
+++ b/lisp/gnus/gnus-rfc1843.el
@@ -1,6 +1,6 @@
 ;;; gnus-rfc1843.el --- HZ (rfc1843) decoding interface functions for Gnus
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: news HZ HZ+ mail i18n
diff --git a/lisp/gnus/gnus-salt.el b/lisp/gnus/gnus-salt.el
index 529cd8a337d..8d58cd59e45 100644
--- a/lisp/gnus/gnus-salt.el
+++ b/lisp/gnus/gnus-salt.el
@@ -1,6 +1,6 @@
 ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus
 
-;; Copyright (C) 1996-1999, 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-1999, 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-score.el b/lisp/gnus/gnus-score.el
index b66489aae95..41b63e23232 100644
--- a/lisp/gnus/gnus-score.el
+++ b/lisp/gnus/gnus-score.el
@@ -1,6 +1,6 @@
 ;;; gnus-score.el --- scoring code for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Per Abrahamsen <amanda@iesd.auc.dk>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-sieve.el b/lisp/gnus/gnus-sieve.el
index 5edd6f5f7ae..278e3a5d6f3 100644
--- a/lisp/gnus/gnus-sieve.el
+++ b/lisp/gnus/gnus-sieve.el
@@ -1,6 +1,6 @@
 ;;; gnus-sieve.el --- Utilities to manage sieve scripts for Gnus
 
-;; Copyright (C) 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: NAGY Andras <nagya@inf.elte.hu>,
 ;;      Simon Josefsson <simon@josefsson.org>
diff --git a/lisp/gnus/gnus-spec.el b/lisp/gnus/gnus-spec.el
index 3f3efdcec98..6e3e802c830 100644
--- a/lisp/gnus/gnus-spec.el
+++ b/lisp/gnus/gnus-spec.el
@@ -1,6 +1,6 @@
 ;;; gnus-spec.el --- format spec functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-srvr.el b/lisp/gnus/gnus-srvr.el
index 684af235101..d58bd7a73b5 100644
--- a/lisp/gnus/gnus-srvr.el
+++ b/lisp/gnus/gnus-srvr.el
@@ -1,6 +1,6 @@
 ;;; gnus-srvr.el --- virtual server support for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-start.el b/lisp/gnus/gnus-start.el
index 773b952669a..61319266ced 100644
--- a/lisp/gnus/gnus-start.el
+++ b/lisp/gnus/gnus-start.el
@@ -1,6 +1,6 @@
 ;;; gnus-start.el --- startup functions for Gnus -*- lexical-binding:t -*-
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index d62c0634367..a59e8b359db 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -1,6 +1,6 @@
 ;;; gnus-sum.el --- summary mode commands for Gnus  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-topic.el b/lisp/gnus/gnus-topic.el
index e2c728df8f4..ffd26bb30f4 100644
--- a/lisp/gnus/gnus-topic.el
+++ b/lisp/gnus/gnus-topic.el
@@ -1,6 +1,6 @@
 ;;; gnus-topic.el --- a folding minor mode for Gnus group buffers
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Ilja Weis <kult@uni-paderborn.de>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-undo.el b/lisp/gnus/gnus-undo.el
index 179679a8298..3f2b5768db2 100644
--- a/lisp/gnus/gnus-undo.el
+++ b/lisp/gnus/gnus-undo.el
@@ -1,6 +1,6 @@
 ;;; gnus-undo.el --- minor mode for undoing in Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index ce5b2a155f5..23c62b4f939 100644
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1,6 +1,6 @@
 ;;; gnus-util.el --- utility functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus-uu.el b/lisp/gnus/gnus-uu.el
index 253ee24f32c..d40ba9cef42 100644
--- a/lisp/gnus/gnus-uu.el
+++ b/lisp/gnus/gnus-uu.el
@@ -1,6 +1,6 @@
 ;;; gnus-uu.el --- extract (uu)encoded files in Gnus
 
-;; Copyright (C) 1985-1987, 1993-1998, 2000-2019 Free Software
+;; Copyright (C) 1985-1987, 1993-1998, 2000-2020 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/gnus-vm.el b/lisp/gnus/gnus-vm.el
index 6042365c74f..08f6ce6d818 100644
--- a/lisp/gnus/gnus-vm.el
+++ b/lisp/gnus/gnus-vm.el
@@ -1,6 +1,6 @@
 ;;; gnus-vm.el --- vm interface for Gnus
 
-;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1994-2020 Free Software Foundation, Inc.
 
 ;; Author: Per Persson <pp@gnu.ai.mit.edu>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/gnus-win.el b/lisp/gnus/gnus-win.el
index 81b3437fc58..36b28350362 100644
--- a/lisp/gnus/gnus-win.el
+++ b/lisp/gnus/gnus-win.el
@@ -1,6 +1,6 @@
 ;;; gnus-win.el --- window configuration functions for Gnus
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/gnus.el b/lisp/gnus/gnus.el
index 7aec4d6216a..f836ea60355 100644
--- a/lisp/gnus/gnus.el
+++ b/lisp/gnus/gnus.el
@@ -1,6 +1,6 @@
 ;;; gnus.el --- a newsreader for GNU Emacs  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1987-1990, 1993-1998, 2000-2019 Free Software
+;; Copyright (C) 1987-1990, 1993-1998, 2000-2020 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/gssapi.el b/lisp/gnus/gssapi.el
index 781176307e4..218a1542e3a 100644
--- a/lisp/gnus/gssapi.el
+++ b/lisp/gnus/gssapi.el
@@ -1,6 +1,6 @@
 ;;; gssapi.el --- GSSAPI/Kerberos 5 interface for Emacs
 
-;; Copyright (C) 2011-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 ;;         Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/legacy-gnus-agent.el b/lisp/gnus/legacy-gnus-agent.el
index 5d5be444e44..44b6c295b3c 100644
--- a/lisp/gnus/legacy-gnus-agent.el
+++ b/lisp/gnus/legacy-gnus-agent.el
@@ -1,6 +1,6 @@
 ;;; gnus-agent.el --- Legacy unplugged support for Gnus
 
-;; Copyright (C) 2004-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2004-2020 Free Software Foundation, Inc.
 
 ;; Author: Kevin Greiner <kgreiner@xpediantsolutions.com>
 ;; Keywords: news
diff --git a/lisp/gnus/mail-source.el b/lisp/gnus/mail-source.el
index fab0f5296d0..52343d4fa37 100644
--- a/lisp/gnus/mail-source.el
+++ b/lisp/gnus/mail-source.el
@@ -1,6 +1,6 @@
 ;;; mail-source.el --- functions for fetching mail
 
-;; Copyright (C) 1999-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index f7f5e9dd344..adefa0efd65 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -1,6 +1,6 @@
 ;;; message.el --- composing mail and news messages -*- lexical-binding: t -*-
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: mail, news
diff --git a/lisp/gnus/mm-archive.el b/lisp/gnus/mm-archive.el
index 7e2a91401bb..6b4308e9790 100644
--- a/lisp/gnus/mm-archive.el
+++ b/lisp/gnus/mm-archive.el
@@ -1,6 +1,6 @@
 ;;; mm-archive.el --- Functions for parsing archive files as MIME
 
-;; Copyright (C) 2012-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
diff --git a/lisp/gnus/mm-bodies.el b/lisp/gnus/mm-bodies.el
index e1e1a12cc59..35332109681 100644
--- a/lisp/gnus/mm-bodies.el
+++ b/lisp/gnus/mm-bodies.el
@@ -1,6 +1,6 @@
 ;;; mm-bodies.el --- Functions for decoding MIME things
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      MORIOKA Tomohiko <morioka@jaist.ac.jp>
diff --git a/lisp/gnus/mm-decode.el b/lisp/gnus/mm-decode.el
index 22e7e118e2e..d33bb56dc9e 100644
--- a/lisp/gnus/mm-decode.el
+++ b/lisp/gnus/mm-decode.el
@@ -1,6 +1,6 @@
 ;;; mm-decode.el --- Functions for decoding MIME things  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      MORIOKA Tomohiko <morioka@jaist.ac.jp>
diff --git a/lisp/gnus/mm-encode.el b/lisp/gnus/mm-encode.el
index 7d1040961fd..d66ae607ed9 100644
--- a/lisp/gnus/mm-encode.el
+++ b/lisp/gnus/mm-encode.el
@@ -1,6 +1,6 @@
 ;;; mm-encode.el --- Functions for encoding MIME things
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      MORIOKA Tomohiko <morioka@jaist.ac.jp>
diff --git a/lisp/gnus/mm-extern.el b/lisp/gnus/mm-extern.el
index d838cdc875f..96f2a78f0d6 100644
--- a/lisp/gnus/mm-extern.el
+++ b/lisp/gnus/mm-extern.el
@@ -1,6 +1,6 @@
 ;;; mm-extern.el --- showing message/external-body  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: message external-body
diff --git a/lisp/gnus/mm-partial.el b/lisp/gnus/mm-partial.el
index d2f279e4197..9bf49681648 100644
--- a/lisp/gnus/mm-partial.el
+++ b/lisp/gnus/mm-partial.el
@@ -1,6 +1,6 @@
 ;;; mm-partial.el --- showing message/partial
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: message partial
diff --git a/lisp/gnus/mm-url.el b/lisp/gnus/mm-url.el
index b53f1e38b19..4d56b19c3d7 100644
--- a/lisp/gnus/mm-url.el
+++ b/lisp/gnus/mm-url.el
@@ -1,6 +1,6 @@
 ;;; mm-url.el --- a wrapper of url functions/commands for Gnus
 
-;; Copyright (C) 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 
diff --git a/lisp/gnus/mm-util.el b/lisp/gnus/mm-util.el
index 00a8a532d27..e863051e56a 100644
--- a/lisp/gnus/mm-util.el
+++ b/lisp/gnus/mm-util.el
@@ -1,6 +1,6 @@
 ;;; mm-util.el --- Utility functions for Mule and low level things  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      MORIOKA Tomohiko <morioka@jaist.ac.jp>
diff --git a/lisp/gnus/mm-uu.el b/lisp/gnus/mm-uu.el
index 39cad57212d..e6fdc93da24 100644
--- a/lisp/gnus/mm-uu.el
+++ b/lisp/gnus/mm-uu.el
@@ -1,6 +1,6 @@
 ;;; mm-uu.el --- Return uu stuff as mm handles  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: postscript uudecode binhex shar forward gnatsweb pgp
diff --git a/lisp/gnus/mm-view.el b/lisp/gnus/mm-view.el
index 559ec7a6692..a6be04e313d 100644
--- a/lisp/gnus/mm-view.el
+++ b/lisp/gnus/mm-view.el
@@ -1,6 +1,6 @@
 ;;; mm-view.el --- functions for viewing MIME objects
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
diff --git a/lisp/gnus/mml-sec.el b/lisp/gnus/mml-sec.el
index a1f5b6386b2..740e1d2b722 100644
--- a/lisp/gnus/mml-sec.el
+++ b/lisp/gnus/mml-sec.el
@@ -1,6 +1,6 @@
 ;;; mml-sec.el --- A package with security functions for MML documents
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 
diff --git a/lisp/gnus/mml-smime.el b/lisp/gnus/mml-smime.el
index 6dcec9f9112..3cc463d5d4c 100644
--- a/lisp/gnus/mml-smime.el
+++ b/lisp/gnus/mml-smime.el
@@ -1,6 +1,6 @@
 ;;; mml-smime.el --- S/MIME support for MML
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 ;; Keywords: Gnus, MIME, S/MIME, MML
diff --git a/lisp/gnus/mml.el b/lisp/gnus/mml.el
index 5b31da2870c..cdd8f3d3a50 100644
--- a/lisp/gnus/mml.el
+++ b/lisp/gnus/mml.el
@@ -1,6 +1,6 @@
 ;;; mml.el --- A package for parsing and validating MML documents
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; This file is part of GNU Emacs.
diff --git a/lisp/gnus/mml1991.el b/lisp/gnus/mml1991.el
index ce282ec65fb..8be1b84e52f 100644
--- a/lisp/gnus/mml1991.el
+++ b/lisp/gnus/mml1991.el
@@ -1,6 +1,6 @@
 ;;; mml1991.el --- Old PGP message format (RFC 1991) support for MML
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Sascha Lüdecke <sascha@meta-x.de>,
 ;;      Simon Josefsson <simon@josefsson.org> (Mailcrypt interface, Gnus glue)
diff --git a/lisp/gnus/mml2015.el b/lisp/gnus/mml2015.el
index c3cf31f1a3c..1e72f681797 100644
--- a/lisp/gnus/mml2015.el
+++ b/lisp/gnus/mml2015.el
@@ -1,6 +1,6 @@
 ;;; mml2015.el --- MIME Security with Pretty Good Privacy (PGP)
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: PGP MIME MML
diff --git a/lisp/gnus/nnagent.el b/lisp/gnus/nnagent.el
index f0baf99bd4c..1b5b9757dc5 100644
--- a/lisp/gnus/nnagent.el
+++ b/lisp/gnus/nnagent.el
@@ -1,6 +1,6 @@
 ;;; nnagent.el --- offline backend for Gnus
 
-;; Copyright (C) 1997-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1997-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/nnbabyl.el b/lisp/gnus/nnbabyl.el
index aa48dbd0fa8..6890f1dceeb 100644
--- a/lisp/gnus/nnbabyl.el
+++ b/lisp/gnus/nnbabyl.el
@@ -1,6 +1,6 @@
 ;;; nnbabyl.el --- rmail mbox access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nndiary.el b/lisp/gnus/nndiary.el
index 94ea259a335..24a3df1e27a 100644
--- a/lisp/gnus/nndiary.el
+++ b/lisp/gnus/nndiary.el
@@ -1,6 +1,6 @@
 ;;; nndiary.el --- A diary back end for Gnus
 
-;; Copyright (C) 1999-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
 ;; Author:        Didier Verna <didier@didierverna.net>
 ;; Created:       Fri Jul 16 18:55:42 1999
diff --git a/lisp/gnus/nndir.el b/lisp/gnus/nndir.el
index 82502dfbd19..32d6c0f856b 100644
--- a/lisp/gnus/nndir.el
+++ b/lisp/gnus/nndir.el
@@ -1,6 +1,6 @@
 ;;; nndir.el --- single directory newsgroup access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/nndoc.el b/lisp/gnus/nndoc.el
index 9c8cab597a6..0ba63915c94 100644
--- a/lisp/gnus/nndoc.el
+++ b/lisp/gnus/nndoc.el
@@ -1,6 +1,6 @@
 ;;; nndoc.el --- single file access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nndraft.el b/lisp/gnus/nndraft.el
index a178f1f1194..3ee86a696cb 100644
--- a/lisp/gnus/nndraft.el
+++ b/lisp/gnus/nndraft.el
@@ -1,6 +1,6 @@
 ;;; nndraft.el --- draft article access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/nneething.el b/lisp/gnus/nneething.el
index c3d511bc6e0..9e190515f18 100644
--- a/lisp/gnus/nneething.el
+++ b/lisp/gnus/nneething.el
@@ -1,6 +1,6 @@
 ;;; nneething.el --- arbitrary file access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nnfolder.el b/lisp/gnus/nnfolder.el
index 6334b1c998d..342ac48ba85 100644
--- a/lisp/gnus/nnfolder.el
+++ b/lisp/gnus/nnfolder.el
@@ -1,6 +1,6 @@
 ;;; nnfolder.el --- mail folder access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 ;;      ShengHuo Zhu <zsh@cs.rochester.edu> (adding NOV)
diff --git a/lisp/gnus/nngateway.el b/lisp/gnus/nngateway.el
index 92e36a2e4f9..13cc65bfb85 100644
--- a/lisp/gnus/nngateway.el
+++ b/lisp/gnus/nngateway.el
@@ -1,6 +1,6 @@
 ;;; nngateway.el --- posting news via mail gateways
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/nnheader.el b/lisp/gnus/nnheader.el
index a30fa637960..bf3a5c1372a 100644
--- a/lisp/gnus/nnheader.el
+++ b/lisp/gnus/nnheader.el
@@ -1,6 +1,6 @@
 ;;; nnheader.el --- header access macros for Gnus and its backends
 
-;; Copyright (C) 1987-1990, 1993-1998, 2000-2019 Free Software
+;; Copyright (C) 1987-1990, 1993-1998, 2000-2020 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index f02c2e5c1f1..c383e0146f3 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -1,6 +1,6 @@
 ;;; nnimap.el --- IMAP interface for Gnus
 
-;; Copyright (C) 2010-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;         Simon Josefsson <simon@josefsson.org>
diff --git a/lisp/gnus/nnir.el b/lisp/gnus/nnir.el
index bf441ee3595..823bc2b423e 100644
--- a/lisp/gnus/nnir.el
+++ b/lisp/gnus/nnir.el
@@ -1,6 +1,6 @@
 ;;; nnir.el --- Search mail with various search engines  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1998-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
 ;; Author: Kai Großjohann <grossjohann@ls6.cs.uni-dortmund.de>
 ;; Swish-e and Swish++ backends by:
diff --git a/lisp/gnus/nnmail.el b/lisp/gnus/nnmail.el
index fc9713e9561..d64d0ed0006 100644
--- a/lisp/gnus/nnmail.el
+++ b/lisp/gnus/nnmail.el
@@ -1,6 +1,6 @@
 ;;; nnmail.el --- mail support functions for the Gnus mail backends
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/nnmairix.el b/lisp/gnus/nnmairix.el
index a4a1caac953..b3329212f84 100644
--- a/lisp/gnus/nnmairix.el
+++ b/lisp/gnus/nnmairix.el
@@ -1,6 +1,6 @@
 ;;; nnmairix.el --- Mairix back end for Gnus, the Emacs newsreader
 
-;; Copyright (C) 2007-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2007-2020 Free Software Foundation, Inc.
 
 ;; Author: David Engster <deng@randomsample.de>
 ;; Keywords: mail searching
diff --git a/lisp/gnus/nnmbox.el b/lisp/gnus/nnmbox.el
index 3b704961f01..eb8fcf37a25 100644
--- a/lisp/gnus/nnmbox.el
+++ b/lisp/gnus/nnmbox.el
@@ -1,6 +1,6 @@
 ;;; nnmbox.el --- mail mbox access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nnmh.el b/lisp/gnus/nnmh.el
index f4b36dc007f..c075f298986 100644
--- a/lisp/gnus/nnmh.el
+++ b/lisp/gnus/nnmh.el
@@ -1,6 +1,6 @@
 ;;; nnmh.el --- mhspool access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;      Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nnml.el b/lisp/gnus/nnml.el
index 8d8d5ae83a1..6c7b25b5e76 100644
--- a/lisp/gnus/nnml.el
+++ b/lisp/gnus/nnml.el
@@ -1,6 +1,6 @@
 ;;; nnml.el --- mail spool access for Gnus
 
-;; Copyright (C) 1995-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2020 Free Software Foundation, Inc.
 
 ;; Authors: Didier Verna <didier@didierverna.net> (adding compaction)
 ;;      Simon Josefsson <simon@josefsson.org>
diff --git a/lisp/gnus/nnoo.el b/lisp/gnus/nnoo.el
index d52cda4eb55..ba527a1c4b6 100644
--- a/lisp/gnus/nnoo.el
+++ b/lisp/gnus/nnoo.el
@@ -1,6 +1,6 @@
 ;;; nnoo.el --- OO Gnus Backends
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/nnregistry.el b/lisp/gnus/nnregistry.el
index ab9a8a97f8c..29ca56817ed 100644
--- a/lisp/gnus/nnregistry.el
+++ b/lisp/gnus/nnregistry.el
@@ -1,7 +1,7 @@
 ;;; nnregistry.el --- access to articles via Gnus' message-id registry
 ;;; -*- coding: utf-8 -*-
 
-;; Copyright (C) 2010-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2010-2020 Free Software Foundation, Inc.
 
 ;; Author: Ludovic Courtès <ludo@gnu.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/nnrss.el b/lisp/gnus/nnrss.el
index 1eca46220f1..fa4d22fb1cc 100644
--- a/lisp/gnus/nnrss.el
+++ b/lisp/gnus/nnrss.el
@@ -1,6 +1,6 @@
 ;;; nnrss.el --- interfacing with RSS
 
-;; Copyright (C) 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: RSS
diff --git a/lisp/gnus/nnspool.el b/lisp/gnus/nnspool.el
index 31ed3e97ef9..da13a56001b 100644
--- a/lisp/gnus/nnspool.el
+++ b/lisp/gnus/nnspool.el
@@ -1,6 +1,6 @@
 ;;; nnspool.el --- spool access for GNU Emacs
 
-;; Copyright (C) 1988-1990, 1993-1998, 2000-2019 Free Software
+;; Copyright (C) 1988-1990, 1993-1998, 2000-2020 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
diff --git a/lisp/gnus/nntp.el b/lisp/gnus/nntp.el
index 3ddd53e46ce..6ce8724cbbb 100644
--- a/lisp/gnus/nntp.el
+++ b/lisp/gnus/nntp.el
@@ -1,6 +1,6 @@
 ;;; nntp.el --- nntp access for Gnus  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1987-1990, 1992-1998, 2000-2019 Free Software
+;; Copyright (C) 1987-1990, 1992-1998, 2000-2020 Free Software
 ;; Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/nnvirtual.el b/lisp/gnus/nnvirtual.el
index b4a23766622..e1290a9c774 100644
--- a/lisp/gnus/nnvirtual.el
+++ b/lisp/gnus/nnvirtual.el
@@ -1,6 +1,6 @@
 ;;; nnvirtual.el --- virtual newsgroups access for Gnus
 
-;; Copyright (C) 1994-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1994-2020 Free Software Foundation, Inc.
 
 ;; Author: David Moore <dmoore@ucsd.edu>
 ;;      Lars Magne Ingebrigtsen <larsi@gnus.org>
diff --git a/lisp/gnus/nnweb.el b/lisp/gnus/nnweb.el
index e25f373bdf3..64b6f495197 100644
--- a/lisp/gnus/nnweb.el
+++ b/lisp/gnus/nnweb.el
@@ -1,6 +1,6 @@
 ;;; nnweb.el --- retrieving articles via web search engines
 
-;; Copyright (C) 1996-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
diff --git a/lisp/gnus/score-mode.el b/lisp/gnus/score-mode.el
index 8ba1eae1abc..d8d8af8de1b 100644
--- a/lisp/gnus/score-mode.el
+++ b/lisp/gnus/score-mode.el
@@ -1,6 +1,6 @@
 ;;; score-mode.el --- mode for editing Gnus score files
 
-;; Copyright (C) 1996, 2001-2019 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 2001-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
diff --git a/lisp/gnus/smiley.el b/lisp/gnus/smiley.el
index fb1e8de9c06..d41f32801ee 100644
--- a/lisp/gnus/smiley.el
+++ b/lisp/gnus/smiley.el
@@ -1,6 +1,6 @@
 ;;; smiley.el --- displaying smiley faces
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Dave Love <fx@gnu.org>
 ;; Keywords: news mail multimedia
diff --git a/lisp/gnus/smime.el b/lisp/gnus/smime.el
index d8131c60dbe..fe6daf6b037 100644
--- a/lisp/gnus/smime.el
+++ b/lisp/gnus/smime.el
@@ -1,6 +1,6 @@
 ;;; smime.el --- S/MIME support library  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2000-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
 ;; Author: Simon Josefsson <simon@josefsson.org>
 ;; Keywords: SMIME X.509 PEM OpenSSL
diff --git a/lisp/gnus/spam-report.el b/lisp/gnus/spam-report.el
index b93d405ec1f..f414c1ef069 100644
--- a/lisp/gnus/spam-report.el
+++ b/lisp/gnus/spam-report.el
@@ -1,6 +1,6 @@
 ;;; spam-report.el --- Reporting spam
 
-;; Copyright (C) 2002-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 ;; Author: Ted Zlatanov <tzz@lifelogs.com>
 ;; Keywords: network, spam, mail, gmane, report
diff --git a/lisp/gnus/spam-stat.el b/lisp/gnus/spam-stat.el
index 6cf43df2a25..8a4161e7acd 100644
--- a/lisp/gnus/spam-stat.el
+++ b/lisp/gnus/spam-stat.el
@@ -1,6 +1,6 @@
 ;;; spam-stat.el --- detecting spam based on statistics
 
-;; Copyright (C) 2002-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 ;; Author: Alex Schroeder <alex@gnu.org>
 ;; Keywords: network
diff --git a/lisp/gnus/spam-wash.el b/lisp/gnus/spam-wash.el
index 4d7975f8715..7ce0ce24d17 100644
--- a/lisp/gnus/spam-wash.el
+++ b/lisp/gnus/spam-wash.el
@@ -1,6 +1,6 @@
 ;;; spam-wash.el --- wash spam before analysis
 
-;; Copyright (C) 2004, 2007-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2004, 2007-2020 Free Software Foundation, Inc.
 
 ;; Author: Andrew Cohen <cohen@andy.bu.edu>
 ;; Keywords: mail
diff --git a/lisp/gnus/spam.el b/lisp/gnus/spam.el
index e7a63d278e7..96a7da2313c 100644
--- a/lisp/gnus/spam.el
+++ b/lisp/gnus/spam.el
@@ -1,6 +1,6 @@
 ;;; spam.el --- Identifying spam
 
-;; Copyright (C) 2002-2019 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Maintainer: Ted Zlatanov <tzz@lifelogs.com>