maint: update copyright dates

44 files changed, 45 insertions, 45 deletions

diff --git a/AUTHORS b/AUTHORS
index 275facb..da8bb12 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -33,7 +33,7 @@ Patrick D'Cruze
 Eli Zaretskii
 
 
-Copyright (C) 2001, 2006, 2009-2013, 2015-2022 Free Software Foundation, Inc.
+Copyright (C) 2001, 2006, 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
 This file is part of GNU diffutils.
 
diff --git a/ChangeLog-2008 b/ChangeLog-2008
index 14b32b4..8ae2a44 100644
--- a/ChangeLog-2008
+++ b/ChangeLog-2008
@@ -4265,7 +4265,7 @@ Thu Nov  3 16:30:24 1988  Randall Smith  (randy at gluteus.ai.mit.edu)
 
 	-----
 
-	Copyright (C) 1988-1994, 1997-2002, 2004, 2006, 2009-2013, 2015-2022
+	Copyright (C) 1988-1994, 1997-2002, 2004, 2006, 2009-2013, 2015-2023
 	Free Software Foundation, Inc.
 
 	Copying and distribution of this file, with or without
diff --git a/HACKING b/HACKING
index 46eed9b..41f0d02 100644
--- a/HACKING
+++ b/HACKING
@@ -581,7 +581,7 @@ Then just open the index.html file (in the generated lcov-html directory)
 in your favorite web browser.
 
 ========================================================================
-Copyright (C) 2009-2013, 2015-2022 Free Software Foundation, Inc.
+Copyright (C) 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/Makefile.am b/Makefile.am
index 53d9d41..c47bc83 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 # Main Automakefile for GNU diffutils.
 
-# Copyright (C) 2001-2002, 2004, 2006, 2009-2013, 2015-2022 Free Software
+# Copyright (C) 2001-2002, 2004, 2006, 2009-2013, 2015-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/NEWS b/NEWS
index 8d0b9fd..9f5d957 100644
--- a/NEWS
+++ b/NEWS
@@ -451,7 +451,7 @@ User-visible changes in version 2.0:
 
 
 
-Copyright (C) 1993-1994, 1998, 2001-2002, 2004, 2006, 2009-2013, 2015-2022 Free
+Copyright (C) 1993-1994, 1998, 2001-2002, 2004, 2006, 2009-2013, 2015-2023 Free
 Software Foundation, Inc.
 
 This file is part of GNU Diffutils.
diff --git a/README b/README
index 2288fe2..03afb2e 100644
--- a/README
+++ b/README
@@ -51,7 +51,7 @@ Please report bugs to <bug-diffutils@gnu.org>.
 
 -----
 
-Copyright (C) 1992, 1998, 2001-2002, 2004, 2009-2013, 2015-2022 Free Software
+Copyright (C) 1992, 1998, 2001-2002, 2004, 2009-2013, 2015-2023 Free Software
 Foundation, Inc.
 
 This file is part of GNU Diffutils.
diff --git a/README-hacking b/README-hacking
index 1343011..e3e6a0b 100644
--- a/README-hacking
+++ b/README-hacking
@@ -101,7 +101,7 @@ each program.  One way to do this is to use vc-dwim
 
 -----
 
-Copyright (C) 2002-2022 Free Software Foundation, Inc.
+Copyright (C) 2002-2023 Free Software Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/bootstrap b/bootstrap
index 9658861..78f89b5 100755
--- a/bootstrap
+++ b/bootstrap
@@ -4,7 +4,7 @@ scriptversion=2021-04-11.09; # UTC
 
 # Bootstrap this package from checked-out sources.
 
-# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/bootstrap.conf b/bootstrap.conf
index e88ce35..f2ac426 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -1,6 +1,6 @@
 # Bootstrap configuration.
 
-# Copyright (C) 2006-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2006-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/cfg.mk b/cfg.mk
index aaad588..142a9ce 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 # Customize maint.mk                           -*- makefile -*-
-# Copyright (C) 2003-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2003-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/configure.ac b/configure.ac
index 1a45c0c..9e822dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Configure template for GNU Diffutils.
 
-# Copyright (C) 1994-1995, 1998, 2001-2002, 2004, 2006, 2009-2013, 2015-2022
+# Copyright (C) 1994-1995, 1998, 2001-2002, 2004, 2006, 2009-2013, 2015-2023
 # Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/doc/Makefile.am b/doc/Makefile.am
index cabec21..300617e 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,6 +1,6 @@
 # Makefile for GNU diffutils documentation.
 
-# Copyright (C) 2001-2002, 2009-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2002, 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/doc/diffutils.texi b/doc/diffutils.texi
index ac3be9d..e428646 100644
--- a/doc/diffutils.texi
+++ b/doc/diffutils.texi
@@ -14,7 +14,7 @@ and documents the GNU @command{diff}, @command{diff3},
 differences between files and the GNU @command{patch} command for
 using their output to update files.
 
-Copyright @copyright{} 1992--1994, 1998, 2001--2002, 2004, 2006, 2009--2022
+Copyright @copyright{} 1992--1994, 1998, 2001--2002, 2004, 2006, 2009--2023
 Free Software Foundation, Inc.
 
 @quotation
diff --git a/doc/fdl.texi b/doc/fdl.texi
index 9828e10..cffa98b 100644
--- a/doc/fdl.texi
+++ b/doc/fdl.texi
@@ -5,8 +5,8 @@
 @c hence no sectioning command or @node.
 
 @display
-Copyright @copyright{} 2000--2002, 2007--2008, 2022 Free Software Foundation,
-Inc.
+Copyright @copyright{} 2000--2002, 2007--2008, 2022--2023 Free Software
+Foundation, Inc.
 @uref{https://fsf.org/}
 
 Everyone is permitted to copy and distribute verbatim copies
diff --git a/exgettext b/exgettext
index d5c071c..d651d90 100755
--- a/exgettext
+++ b/exgettext
@@ -1,7 +1,7 @@
 #! /bin/sh
 # Wrapper around gettext for programs using the msgid convention.
 
-# Copyright (C) 1998, 2001, 2004, 2009-2013, 2015-2022 Free Software
+# Copyright (C) 1998, 2001, 2004, 2009-2013, 2015-2023 Free Software
 # Foundation, Inc.
 
 # Written by Paul Eggert <eggert@twinsun.com>.
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 934ce26..042850c 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,6 +1,6 @@
 # Automakefile for GNU Diffutils library.
 
-# Copyright (C) 2001-2002, 2004, 2006, 2009-2013, 2015-2022 Free Software
+# Copyright (C) 2001-2002, 2004, 2006, 2009-2013, 2015-2023 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/lib/cmpbuf.c b/lib/cmpbuf.c
index 46f2d03..aa79edb 100644
--- a/lib/cmpbuf.c
+++ b/lib/cmpbuf.c
@@ -1,6 +1,6 @@
 /* Buffer primitives for comparison operations.
 
-   Copyright (C) 1993, 1995, 1998, 2001-2002, 2006, 2009-2013, 2015-2022 Free
+   Copyright (C) 1993, 1995, 1998, 2001-2002, 2006, 2009-2013, 2015-2023 Free
    Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/cmpbuf.h b/lib/cmpbuf.h
index 2990fcb..91680fe 100644
--- a/lib/cmpbuf.h
+++ b/lib/cmpbuf.h
@@ -1,6 +1,6 @@
 /* Buffer primitives for comparison operations.
 
-   Copyright (C) 2002, 2009-2013, 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/man/Makefile.am b/man/Makefile.am
index 70aa7c2..26e0f82 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,6 +1,6 @@
 # Automakefile for GNU diffutils man pages
 
-# Copyright (C) 2002, 2009-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/man/help2man b/man/help2man
index 9271553..7f83481 100755
--- a/man/help2man
+++ b/man/help2man
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 
 # Generate a short man page from --help and --version output.
-# Copyright (C) 1997-2005, 2009-2011, 2013, 2015-2022 Free Software Foundation,
+# Copyright (C) 1997-2005, 2009-2011, 2013, 2015-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software; you can redistribute it and/or modify
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 29c94f3..ccb9a85 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,6 +1,6 @@
 # List of files that contain translatable strings.
 
-# Copyright (C) 2001-2002, 2009-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2001-2002, 2009-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/po/en.po b/po/en.po
index c0b9bb2..83548a8 100644
--- a/po/en.po
+++ b/po/en.po
@@ -1,5 +1,5 @@
 # English messages for GNU diffutils
-# Copyright 1998, 2001-2003, 2009-2013, 2015-2022 Free Software Foundation,
+# Copyright 1998, 2001-2003, 2009-2013, 2015-2023 Free Software Foundation,
 # Inc.
 # Paul Eggert <eggert@twinsun.com>, 1998
 #
diff --git a/src/Makefile.am b/src/Makefile.am
index c8e7a83..9a93619 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 # Automakefile for GNU diffutils programs.
 
-# Copyright (C) 2001-2002, 2006, 2009-2013, 2015-2022 Free Software Foundation,
+# Copyright (C) 2001-2002, 2006, 2009-2013, 2015-2023 Free Software Foundation,
 # Inc.
 
 # This program is free software: you can redistribute it and/or modify
diff --git a/src/analyze.c b/src/analyze.c
index f46ae2b..ffe67df 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -1,7 +1,7 @@
 /* Analyze file differences for GNU DIFF.
 
    Copyright (C) 1988-1989, 1992-1995, 1998, 2001-2002, 2004, 2006-2007,
-   2009-2013, 2015-2022 Free Software Foundation, Inc.
+   2009-2013, 2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/cmp.c b/src/cmp.c
index 5e7eb5d..d3e1aec 100644
--- a/src/cmp.c
+++ b/src/cmp.c
@@ -1,7 +1,7 @@
 /* GNU cmp - compare two files byte by byte
 
    Copyright (C) 1990-1996, 1998, 2001-2002, 2004, 2006-2007, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/context.c b/src/context.c
index d2de7ca..2ed7478 100644
--- a/src/context.c
+++ b/src/context.c
@@ -1,7 +1,7 @@
 /* Context-format output routines for GNU DIFF.
 
    Copyright (C) 1988-1989, 1991-1995, 1998, 2001-2002, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/die.h b/src/die.h
index 7563e68..44f4a2c 100644
--- a/src/die.h
+++ b/src/die.h
@@ -1,5 +1,5 @@
 /* Report an error and exit.
-   Copyright 2016-2022 Free Software Foundation, Inc.
+   Copyright 2016-2023 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/diff.c b/src/diff.c
index 1df3f41..375adad 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -1,7 +1,7 @@
 /* GNU diff - compare files line by line
 
    Copyright (C) 1988-1989, 1992-1994, 1996, 1998, 2001-2002, 2004, 2006-2007,
-   2009-2013, 2015-2022 Free Software Foundation, Inc.
+   2009-2013, 2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/diff.h b/src/diff.h
index 0680351..c7c7f0a 100644
--- a/src/diff.h
+++ b/src/diff.h
@@ -1,7 +1,7 @@
 /* Shared definitions for GNU DIFF
 
    Copyright (C) 1988-1989, 1991-1995, 1998, 2001-2002, 2004, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/diff3.c b/src/diff3.c
index 2c775af..c4bd7b8 100644
--- a/src/diff3.c
+++ b/src/diff3.c
@@ -1,7 +1,7 @@
 /* GNU diff3 - compare three files line by line
 
    Copyright (C) 1988-1989, 1992-1996, 1998, 2001-2002, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/dir.c b/src/dir.c
index c8b5258..7721228 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -1,7 +1,7 @@
 /* Read, sort and compare two directories.  Used for GNU DIFF.
 
    Copyright (C) 1988-1989, 1992-1995, 1998, 2001-2002, 2004, 2006-2007,
-   2009-2013, 2015-2022 Free Software Foundation, Inc.
+   2009-2013, 2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/ed.c b/src/ed.c
index 9a8ede6..8b313e1 100644
--- a/src/ed.c
+++ b/src/ed.c
@@ -1,7 +1,7 @@
 /* Output routines for ed-script format.
 
    Copyright (C) 1988-1989, 1991-1993, 1995, 1998, 2001, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/ifdef.c b/src/ifdef.c
index 88ac807..0939c1a 100644
--- a/src/ifdef.c
+++ b/src/ifdef.c
@@ -1,6 +1,6 @@
 /* #ifdef-format output routines for GNU DIFF.
 
-   Copyright (C) 1989, 1991-1994, 2001-2002, 2004, 2006, 2009-2013, 2015-2022
+   Copyright (C) 1989, 1991-1994, 2001-2002, 2004, 2006, 2009-2013, 2015-2023
    Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
diff --git a/src/io.c b/src/io.c
index 4b87d3c..9cb43b9 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1,7 +1,7 @@
 /* File I/O for GNU DIFF.
 
    Copyright (C) 1988-1989, 1992-1995, 1998, 2001-2002, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/normal.c b/src/normal.c
index 844dd2c..fef4bf3 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -1,6 +1,6 @@
 /* Normal-format output routines for GNU DIFF.
 
-   Copyright (C) 1988-1989, 1993, 1995, 1998, 2001, 2006, 2009-2013, 2015-2022
+   Copyright (C) 1988-1989, 1993, 1995, 1998, 2001, 2006, 2009-2013, 2015-2023
    Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
diff --git a/src/sdiff.c b/src/sdiff.c
index 71a08f2..ded1837 100644
--- a/src/sdiff.c
+++ b/src/sdiff.c
@@ -1,7 +1,7 @@
 /* GNU sdiff - side-by-side merge of file differences
 
    Copyright (C) 1992-1996, 1998, 2001-2002, 2004, 2006-2007, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/side.c b/src/side.c
index 2b8f00c..125cc22 100644
--- a/src/side.c
+++ b/src/side.c
@@ -1,6 +1,6 @@
 /* sdiff-format output routines for GNU DIFF.
 
-   Copyright (C) 1991-1993, 1998, 2001-2002, 2004, 2009-2013, 2015-2022 Free
+   Copyright (C) 1991-1993, 1998, 2001-2002, 2004, 2009-2013, 2015-2023 Free
    Software Foundation, Inc.
 
    This file is part of GNU DIFF.
diff --git a/src/system.h b/src/system.h
index 25c77d8..469522d 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,7 +1,7 @@
 /* System dependent declarations.
 
    Copyright (C) 1988-1989, 1992-1995, 1998, 2001-2002, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/src/util.c b/src/util.c
index 956083c..b25dbe1 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,7 +1,7 @@
 /* Support routines for GNU DIFF.
 
    Copyright (C) 1988-1989, 1992-1995, 1998, 2001-2002, 2004, 2006, 2009-2013,
-   2015-2022 Free Software Foundation, Inc.
+   2015-2023 Free Software Foundation, Inc.
 
    This file is part of GNU DIFF.
 
diff --git a/tests/cmp b/tests/cmp
index e33530d..edf76a4 100755
--- a/tests/cmp
+++ b/tests/cmp
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'cmp'.
 
-# Copyright 2017-2022 Free Software Foundation, Inc.
+# Copyright 2017-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/envvar-check b/tests/envvar-check
index 966c138..0ec6b12 100644
--- a/tests/envvar-check
+++ b/tests/envvar-check
@@ -1,7 +1,7 @@
 # -*- sh -*-
 # Check environment variables for sane values while testing.
 
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/help-version b/tests/help-version
index 4671d30..a40693b 100755
--- a/tests/help-version
+++ b/tests/help-version
@@ -2,7 +2,7 @@
 # Make sure all these programs work properly
 # when invoked with --help or --version.
 
-# Copyright (C) 2000-2013, 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2013, 2015-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/init.cfg b/tests/init.cfg
index c75b4a7..237b61e 100644
--- a/tests/init.cfg
+++ b/tests/init.cfg
@@ -1,6 +1,6 @@
 # This file is sourced by init.sh, *before* its initialization.
 
-# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+# Copyright (C) 2010-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/init.sh b/tests/init.sh
index 933fdd4..ede5dee 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -1,6 +1,6 @@
 # source this file; set up for tests
 
-# Copyright (C) 2009-2022 Free Software Foundation, Inc.
+# Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by