; Add 2023 to copyright years.

44 files changed, 44 insertions, 44 deletions

diff --git a/test/lisp/erc/erc-dcc-tests.el b/test/lisp/erc/erc-dcc-tests.el
index 74cbb7d9476..bd8a9fc7951 100644
--- a/test/lisp/erc/erc-dcc-tests.el
+++ b/test/lisp/erc/erc-dcc-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-dcc-tests.el --- Tests for erc-dcc  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-join-tests.el b/test/lisp/erc/erc-join-tests.el
index 89521ba4292..e293c9976a1 100644
--- a/test/lisp/erc/erc-join-tests.el
+++ b/test/lisp/erc/erc-join-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-join-tests.el --- Tests for erc-join.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-match-tests.el b/test/lisp/erc/erc-match-tests.el
index cd7598703b5..748ccd02ddf 100644
--- a/test/lisp/erc/erc-match-tests.el
+++ b/test/lisp/erc/erc-match-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-match-tests.el --- Tests for erc-match.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-networks-tests.el b/test/lisp/erc/erc-networks-tests.el
index 0a8b5935df0..96836c29aed 100644
--- a/test/lisp/erc/erc-networks-tests.el
+++ b/test/lisp/erc/erc-networks-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-networks-tests.el --- Tests for erc-networks.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-sasl-tests.el b/test/lisp/erc/erc-sasl-tests.el
index 0e5ea60e5f0..767a8f56f54 100644
--- a/test/lisp/erc/erc-sasl-tests.el
+++ b/test/lisp/erc/erc-sasl-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-sasl-tests.el --- Tests for erc-sasl.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;;
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-scenarios-auth-source.el b/test/lisp/erc/erc-scenarios-auth-source.el
index 20cae9fbcb8..641b881666e 100644
--- a/test/lisp/erc/erc-scenarios-auth-source.el
+++ b/test/lisp/erc/erc-scenarios-auth-source.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-auth-source.el --- auth-source scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-association-nick.el b/test/lisp/erc/erc-scenarios-base-association-nick.el
index 7eac9c900a7..5f90f0d2bcd 100644
--- a/test/lisp/erc/erc-scenarios-base-association-nick.el
+++ b/test/lisp/erc/erc-scenarios-base-association-nick.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-nick.el --- base assoc scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-association-query.el b/test/lisp/erc/erc-scenarios-base-association-query.el
index 78b75a530c0..e9472617918 100644
--- a/test/lisp/erc/erc-scenarios-base-association-query.el
+++ b/test/lisp/erc/erc-scenarios-base-association-query.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-query.el --- assoc query scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-association-samenet.el b/test/lisp/erc/erc-scenarios-base-association-samenet.el
index a843159824a..c64a3f6725b 100644
--- a/test/lisp/erc/erc-scenarios-base-association-samenet.el
+++ b/test/lisp/erc/erc-scenarios-base-association-samenet.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association-samenet.el --- assoc samenet scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-association.el b/test/lisp/erc/erc-scenarios-base-association.el
index a03714aa795..1e280d0fdd7 100644
--- a/test/lisp/erc/erc-scenarios-base-association.el
+++ b/test/lisp/erc/erc-scenarios-base-association.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-association.el --- base assoc scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el b/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
index 81cbaca5583..74d4444ccd2 100644
--- a/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
+++ b/test/lisp/erc/erc-scenarios-base-compat-rename-bouncer.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-compat-rename-bouncer.el --- compat-rename scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-local-modules.el b/test/lisp/erc/erc-scenarios-base-local-modules.el
index ff92dacb75a..d4001df45de 100644
--- a/test/lisp/erc/erc-scenarios-base-local-modules.el
+++ b/test/lisp/erc/erc-scenarios-base-local-modules.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-local-modules.el --- Local modules tests for ERC -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-misc-regressions.el b/test/lisp/erc/erc-scenarios-base-misc-regressions.el
index 1cad934b6ef..16b2cb355d1 100644
--- a/test/lisp/erc/erc-scenarios-base-misc-regressions.el
+++ b/test/lisp/erc/erc-scenarios-base-misc-regressions.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-misc-regressions.el --- misc regressions scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
index 6540d44c4b9..876f2e3cade 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-id.el --- net-id bouncer ID scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
index 135d378c7fc..d3d07493e9e 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-base.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-base.el --- net-id base scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
index 2f58c3269e3..b76633f3e3e 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-both.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-both.el --- net-id both scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 ;;
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
index fb58be9615e..66d3c25f7da 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer-recon-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer-recon-id.el --- recon ID scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-netid-bouncer.el b/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
index 432a89b9977..a658a17601b 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-bouncer.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-netid-bouncer.el --- net-id bouncer scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-netid-samenet.el b/test/lisp/erc/erc-scenarios-base-netid-samenet.el
index 14367122510..7304dead44c 100644
--- a/test/lisp/erc/erc-scenarios-base-netid-samenet.el
+++ b/test/lisp/erc/erc-scenarios-base-netid-samenet.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-network-id-samenet.el --- netid-id samenet scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-reconnect.el b/test/lisp/erc/erc-scenarios-base-reconnect.el
index 2a3dac12518..5b4dc549042 100644
--- a/test/lisp/erc/erc-scenarios-base-reconnect.el
+++ b/test/lisp/erc/erc-scenarios-base-reconnect.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-reconnect.el --- Base-reconnect scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-renick.el b/test/lisp/erc/erc-scenarios-base-renick.el
index 69ecc0a7da5..f1723200533 100644
--- a/test/lisp/erc/erc-scenarios-base-renick.el
+++ b/test/lisp/erc/erc-scenarios-base-renick.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-renick.el --- Re-nicking scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-reuse-buffers.el b/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
index a8575aa55ae..d23a0b35904 100644
--- a/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
+++ b/test/lisp/erc/erc-scenarios-base-reuse-buffers.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-reuse-buffers.el --- base-reuse-buffers scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-unstable.el b/test/lisp/erc/erc-scenarios-base-unstable.el
index e6db40c5efb..2ccf8880b95 100644
--- a/test/lisp/erc/erc-scenarios-base-unstable.el
+++ b/test/lisp/erc/erc-scenarios-base-unstable.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-unstable.el --- base unstable scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el b/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
index 0e6f4b7a6ba..28b0db77be6 100644
--- a/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
+++ b/test/lisp/erc/erc-scenarios-base-upstream-recon-soju.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-upstream-recon-soju.el --- Upstream soju -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el b/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
index 76cf9f4f76c..79e1349bd95 100644
--- a/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
+++ b/test/lisp/erc/erc-scenarios-base-upstream-recon-znc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-upstream-recon-znc.el --- Upstream znc -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-internal.el b/test/lisp/erc/erc-scenarios-internal.el
index e122443c590..8d38c2dde49 100644
--- a/test/lisp/erc/erc-scenarios-internal.el
+++ b/test/lisp/erc/erc-scenarios-internal.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-internal.el --- Proxy file for erc-d tests -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-auth-source.el b/test/lisp/erc/erc-scenarios-join-auth-source.el
index ef200fb6d09..6ed5bc2db37 100644
--- a/test/lisp/erc/erc-scenarios-join-auth-source.el
+++ b/test/lisp/erc/erc-scenarios-join-auth-source.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-auth-source.el --- join-auth-source scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el b/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
index 4c25c3e4f86..812ac1c3b56 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-newcmd-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-newcmd-id.el --- join netid newcmd scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-netid-newcmd.el b/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
index e54f5fe9ced..c8e9d66906e 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-newcmd.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-newcmd.el --- join netid newcmd scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-netid-recon-id.el b/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
index 9a9e4692b6a..0e0fc9132b8 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-recon-id.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-recon-id.el --- join-netid-recon scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-netid-recon.el b/test/lisp/erc/erc-scenarios-join-netid-recon.el
index 9f9244dad22..0f76617faa5 100644
--- a/test/lisp/erc/erc-scenarios-join-netid-recon.el
+++ b/test/lisp/erc/erc-scenarios-join-netid-recon.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-netid-recon.el --- join-netid-recon scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-misc.el b/test/lisp/erc/erc-scenarios-misc.el
index f1696088a48..5927eee48fd 100644
--- a/test/lisp/erc/erc-scenarios-misc.el
+++ b/test/lisp/erc/erc-scenarios-misc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-misc.el --- Misc scenarios for ERC -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-sasl.el b/test/lisp/erc/erc-scenarios-sasl.el
index 1e412d53d5e..3878237c7d2 100644
--- a/test/lisp/erc/erc-scenarios-sasl.el
+++ b/test/lisp/erc/erc-scenarios-sasl.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-sasl.el --- SASL tests for ERC -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-services-misc.el b/test/lisp/erc/erc-scenarios-services-misc.el
index 44e04e51509..a1679d302f4 100644
--- a/test/lisp/erc/erc-scenarios-services-misc.el
+++ b/test/lisp/erc/erc-scenarios-services-misc.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-services-misc.el --- Services-misc scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-services-tests.el b/test/lisp/erc/erc-services-tests.el
index 2547c5e01a8..b1d36d868eb 100644
--- a/test/lisp/erc/erc-services-tests.el
+++ b/test/lisp/erc/erc-services-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-services-tests.el --- Tests for erc-services.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-tests.el b/test/lisp/erc/erc-tests.el
index 578b2641a6d..6807b24bfc6 100644
--- a/test/lisp/erc/erc-tests.el
+++ b/test/lisp/erc/erc-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-tests.el --- Tests for erc.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; Author: Lars Ingebrigtsen <larsi@gnus.org>
 
diff --git a/test/lisp/erc/erc-track-tests.el b/test/lisp/erc/erc-track-tests.el
index 475a436bb1d..ab8d708b721 100644
--- a/test/lisp/erc/erc-track-tests.el
+++ b/test/lisp/erc/erc-track-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-track-tests.el --- Tests for erc-track.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2016-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2016-2023 Free Software Foundation, Inc.
 
 ;; Author: Mario Lang <mlang@delysid.org>
 ;; Author: Vivek Dasmohapatra <vivek@etla.org>
diff --git a/test/lisp/erc/resources/erc-d/erc-d-i.el b/test/lisp/erc/resources/erc-d/erc-d-i.el
index 15a0b16bfd1..05302e4f0be 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-i.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-i.el
@@ -1,6 +1,6 @@
 ;;; erc-d-i.el --- IRC helpers for ERC test server -*- lexical-binding: t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-d/erc-d-t.el b/test/lisp/erc/resources/erc-d/erc-d-t.el
index 6d68608a4f3..282c193b707 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-t.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-t.el
@@ -1,6 +1,6 @@
 ;;; erc-d-t.el --- ERT helpers for ERC test server -*- lexical-binding: t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-d/erc-d-tests.el b/test/lisp/erc/resources/erc-d/erc-d-tests.el
index feddc4c062b..a501cd55494 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-tests.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-d-tests.el --- tests for erc-d -*- lexical-binding: t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-d/erc-d-u.el b/test/lisp/erc/resources/erc-d/erc-d-u.el
index 60181cdc8bd..e26fa8b47dd 100644
--- a/test/lisp/erc/resources/erc-d/erc-d-u.el
+++ b/test/lisp/erc/resources/erc-d/erc-d-u.el
@@ -1,6 +1,6 @@
 ;;; erc-d-u.el --- Helpers for ERC test server -*- lexical-binding: t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-d/erc-d.el b/test/lisp/erc/resources/erc-d/erc-d.el
index f8704834b9f..f4491bbb834 100644
--- a/test/lisp/erc/resources/erc-d/erc-d.el
+++ b/test/lisp/erc/resources/erc-d/erc-d.el
@@ -1,6 +1,6 @@
 ;;; erc-d.el --- A dumb test server for ERC -*- lexical-binding: t -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el b/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
index f675f675018..541c222dc21 100644
--- a/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
+++ b/test/lisp/erc/resources/erc-d/resources/proxy-subprocess.el
@@ -1,6 +1,6 @@
 ;;; proxy-subprocess.el --- Example setup file for erc-d  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/resources/erc-scenarios-common.el b/test/lisp/erc/resources/erc-scenarios-common.el
index 57d4658e75a..0d9a79ae9ce 100644
--- a/test/lisp/erc/resources/erc-scenarios-common.el
+++ b/test/lisp/erc/resources/erc-scenarios-common.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-common.el --- Common helpers for ERC scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.