maint: update copyright dates

17 files changed, 17 insertions, 17 deletions

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.