Merge from origin/emacs-29

cae528457c ; Add 2023 to copyright years.
b394359261 Improve documentation of 'isearch-open-overlay-temporary'
ab3210e709 Document 'use-package' in the 2 main manuals

# Conflicts:
#	etc/refcards/ru-refcard.tex
#	lib/explicit_bzero.c
#	m4/explicit_bzero.m4

214 files changed, 323 insertions, 232 deletions

diff --git a/lib/Makefile.in b/lib/Makefile.in
index 8b950136241..71199c32277 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright 2017-2022 Free Software Foundation, Inc.
+# Copyright 2017-2023 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/lib/_Noreturn.h b/lib/_Noreturn.h
index e914627a887..fa15b1b25e8 100644
--- a/lib/_Noreturn.h
+++ b/lib/_Noreturn.h
@@ -1,5 +1,5 @@
 /* A C macro for declaring that a function does not return.
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
diff --git a/lib/acl-errno-valid.c b/lib/acl-errno-valid.c
index a364e413256..a4fd575e3f3 100644
--- a/lib/acl-errno-valid.c
+++ b/lib/acl-errno-valid.c
@@ -1,6 +1,6 @@
 /* Test whether ACLs are well supported on this system.
 
-   Copyright 2013-2022 Free Software Foundation, Inc.
+   Copyright 2013-2023 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/lib/acl-internal.c b/lib/acl-internal.c
index be244c67a2a..fbe9b2c9a06 100644
--- a/lib/acl-internal.c
+++ b/lib/acl-internal.c
@@ -1,6 +1,6 @@
 /* Test whether a file has a nontrivial ACL.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/acl-internal.h b/lib/acl-internal.h
index 94553fab254..c97e847cdc5 100644
--- a/lib/acl-internal.h
+++ b/lib/acl-internal.h
@@ -1,6 +1,6 @@
 /* Internal implementation of access control lists.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/acl.h b/lib/acl.h
index 0be6ef1cea3..58e5797179e 100644
--- a/lib/acl.h
+++ b/lib/acl.h
@@ -1,6 +1,6 @@
 /* acl.c - access control lists
 
-   Copyright (C) 2002, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2008-2023 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/lib/acl_entries.c b/lib/acl_entries.c
index 677de23e0cb..a59ace3f404 100644
--- a/lib/acl_entries.c
+++ b/lib/acl_entries.c
@@ -1,6 +1,6 @@
 /* Return the number of entries in an ACL.
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/af_alg.h b/lib/af_alg.h
index ddd6568b8e3..e8ffb3f7a09 100644
--- a/lib/af_alg.h
+++ b/lib/af_alg.h
@@ -1,5 +1,5 @@
 /* af_alg.h - Compute message digests from file streams and buffers.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/alloca.in.h b/lib/alloca.in.h
index e2b146138d7..b9ce9ef5603 100644
--- a/lib/alloca.in.h
+++ b/lib/alloca.in.h
@@ -1,7 +1,7 @@
 /* Memory allocation on the stack.
 
-   Copyright (C) 1995, 1999, 2001-2004, 2006-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 1995, 1999, 2001-2004, 2006-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/allocator.c b/lib/allocator.c
index 42c891805d1..922be1fce8d 100644
--- a/lib/allocator.c
+++ b/lib/allocator.c
@@ -1,6 +1,6 @@
 /* Memory allocators such as malloc+free.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/allocator.h b/lib/allocator.h
index 3e698ced83a..0c830d01cda 100644
--- a/lib/allocator.h
+++ b/lib/allocator.h
@@ -1,6 +1,6 @@
 /* Memory allocators such as malloc+free.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/arg-nonnull.h b/lib/arg-nonnull.h
index e4513efe955..9498ae1f7da 100644
--- a/lib/arg-nonnull.h
+++ b/lib/arg-nonnull.h
@@ -1,5 +1,5 @@
 /* A C macro for declaring that specific arguments must not be NULL.
-   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 Lesser General Public License as published
diff --git a/lib/assert.in.h b/lib/assert.in.h
index 2c358ba62e7..b0ab99c776e 100644
--- a/lib/assert.in.h
+++ b/lib/assert.in.h
@@ -1,5 +1,5 @@
 /* Substitute for and wrapper around <assert.h>
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/at-func.c b/lib/at-func.c
index afcc819beb0..13e3fb32056 100644
--- a/lib/at-func.c
+++ b/lib/at-func.c
@@ -1,5 +1,5 @@
 /* Define at-style functions like fstatat, unlinkat, fchownat, etc.
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 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
diff --git a/lib/attribute.h b/lib/attribute.h
index 378d4f0a80e..36b2978bb2c 100644
--- a/lib/attribute.h
+++ b/lib/attribute.h
@@ -1,6 +1,6 @@
 /* ATTRIBUTE_* macros for using attributes in GCC and similar compilers
 
-   Copyright 2020-2022 Free Software Foundation, Inc.
+   Copyright 2020-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/binary-io.c b/lib/binary-io.c
index ea407fd74f7..28a9e6ed69c 100644
--- a/lib/binary-io.c
+++ b/lib/binary-io.c
@@ -1,5 +1,5 @@
 /* Binary mode I/O.
-   Copyright 2017-2022 Free Software Foundation, Inc.
+   Copyright 2017-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/binary-io.h b/lib/binary-io.h
index 5b7661e2331..dd9829aa88d 100644
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -1,5 +1,6 @@
 /* Binary mode I/O.
-   Copyright (C) 2001, 2003, 2005, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2005, 2008-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/byteswap.in.h b/lib/byteswap.in.h
index f4746d39954..e61be27e917 100644
--- a/lib/byteswap.in.h
+++ b/lib/byteswap.in.h
@@ -1,5 +1,5 @@
 /* byteswap.h - Byte swapping
-   Copyright (C) 2005, 2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007, 2009-2023 Free Software Foundation, Inc.
    Written by Oskar Liljeblad <oskar@osk.mine.nu>, 2005.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/c++defs.h b/lib/c++defs.h
index ad181558fbd..8ad46951ad4 100644
--- a/lib/c++defs.h
+++ b/lib/c++defs.h
@@ -1,5 +1,5 @@
 /* C++ compatible function declaration macros.
-   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 Lesser General Public License as published
diff --git a/lib/c-ctype.c b/lib/c-ctype.c
index a247514cd62..a4343f445f0 100644
--- a/lib/c-ctype.c
+++ b/lib/c-ctype.c
@@ -1,6 +1,6 @@
 /* Character handling in C locale.
 
-   Copyright (C) 2003-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/c-ctype.h b/lib/c-ctype.h
index 1202ff8a363..9d093f7f722 100644
--- a/lib/c-ctype.h
+++ b/lib/c-ctype.h
@@ -5,7 +5,8 @@
    <ctype.h> functions' behaviour depends on the current locale set via
    setlocale.
 
-   Copyright (C) 2000-2003, 2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2000-2003, 2006, 2008-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/c-strcase.h b/lib/c-strcase.h
index 3e874b5ea3a..9bcca01b27c 100644
--- a/lib/c-strcase.h
+++ b/lib/c-strcase.h
@@ -1,5 +1,5 @@
 /* Case-insensitive string comparison functions in C locale.
-   Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2022 Free Software
+   Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/c-strcasecmp.c b/lib/c-strcasecmp.c
index 87b993cb2fe..c90c6d6a09c 100644
--- a/lib/c-strcasecmp.c
+++ b/lib/c-strcasecmp.c
@@ -1,5 +1,6 @@
 /* c-strcasecmp.c -- case insensitive string comparator in C locale
-   Copyright (C) 1998-1999, 2005-2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 1998-1999, 2005-2006, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/c-strncasecmp.c b/lib/c-strncasecmp.c
index 5a5d30b6e5e..bc30ce0ffc4 100644
--- a/lib/c-strncasecmp.c
+++ b/lib/c-strncasecmp.c
@@ -1,5 +1,6 @@
 /* c-strncasecmp.c -- case insensitive string comparator in C locale
-   Copyright (C) 1998-1999, 2005-2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 1998-1999, 2005-2006, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/canonicalize-lgpl.c b/lib/canonicalize-lgpl.c
index 870a663505d..e701297d84b 100644
--- a/lib/canonicalize-lgpl.c
+++ b/lib/canonicalize-lgpl.c
@@ -1,5 +1,5 @@
 /* Return the canonical absolute name of a given file.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/careadlinkat.c b/lib/careadlinkat.c
index 6ddc35f798b..1d7db893731 100644
--- a/lib/careadlinkat.c
+++ b/lib/careadlinkat.c
@@ -1,7 +1,7 @@
 /* Read symbolic links into a buffer without size limitation, relative to fd.
 
-   Copyright (C) 2001, 2003-2004, 2007, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 2001, 2003-2004, 2007, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/careadlinkat.h b/lib/careadlinkat.h
index 2b559b2cd4c..201d0415fff 100644
--- a/lib/careadlinkat.h
+++ b/lib/careadlinkat.h
@@ -1,6 +1,6 @@
 /* Read symbolic links into a buffer without size limitation, relative to fd.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/cdefs.h b/lib/cdefs.h
index 7b8ed5b344b..09a3d19b23b 100644
--- a/lib/cdefs.h
+++ b/lib/cdefs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    Copyright The GNU Toolchain Authors.
    This file is part of the GNU C Library.
 
diff --git a/lib/cloexec.c b/lib/cloexec.c
index 812be01a06c..ba53d0020b1 100644
--- a/lib/cloexec.c
+++ b/lib/cloexec.c
@@ -1,6 +1,7 @@
 /* cloexec.c - set or clear the close-on-exec descriptor flag
 
-   Copyright (C) 1991, 2004-2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991, 2004-2006, 2009-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/cloexec.h b/lib/cloexec.h
index 15d2d5efe20..057fd668c9b 100644
--- a/lib/cloexec.h
+++ b/lib/cloexec.h
@@ -1,6 +1,6 @@
 /* cloexec.c - set or clear the close-on-exec descriptor flag
 
-   Copyright (C) 2004, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/close-stream.c b/lib/close-stream.c
index 0fdca79bf8e..b68b30e6ff0 100644
--- a/lib/close-stream.c
+++ b/lib/close-stream.c
@@ -1,6 +1,7 @@
 /* Close a stream, with nicer error checking than fclose's.
 
-   Copyright (C) 1998-2002, 2004, 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 1998-2002, 2004, 2006-2023 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/lib/close-stream.h b/lib/close-stream.h
index 2b4c8ed8f5b..3b52cc66c3d 100644
--- a/lib/close-stream.h
+++ b/lib/close-stream.h
@@ -1,6 +1,6 @@
 /* Close a stream, with nicer error checking than fclose's.
 
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/lib/copy-file-range.c b/lib/copy-file-range.c
index 1ec7f4de67c..747a5a8ad1d 100644
--- a/lib/copy-file-range.c
+++ b/lib/copy-file-range.c
@@ -1,5 +1,5 @@
 /* Stub for copy_file_range
-   Copyright 2019-2022 Free Software Foundation, Inc.
+   Copyright 2019-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-leading-zeros.c b/lib/count-leading-zeros.c
index 8eb1d2c1005..949f156eab1 100644
--- a/lib/count-leading-zeros.c
+++ b/lib/count-leading-zeros.c
@@ -1,6 +1,6 @@
 /* Count the number of leading 0 bits in a word.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-leading-zeros.h b/lib/count-leading-zeros.h
index 4b4f5d4f9a1..99151d695bf 100644
--- a/lib/count-leading-zeros.h
+++ b/lib/count-leading-zeros.h
@@ -1,5 +1,5 @@
 /* count-leading-zeros.h -- counts the number of leading 0 bits in a word.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-one-bits.c b/lib/count-one-bits.c
index 67a61dad61e..8a348f2e5a0 100644
--- a/lib/count-one-bits.c
+++ b/lib/count-one-bits.c
@@ -1,6 +1,6 @@
 /* Count the number of 1-bits in a word.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-one-bits.h b/lib/count-one-bits.h
index 7d24c45a0d3..01a60b77b85 100644
--- a/lib/count-one-bits.h
+++ b/lib/count-one-bits.h
@@ -1,5 +1,5 @@
 /* count-one-bits.h -- counts the number of 1-bits in a word.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-trailing-zeros.c b/lib/count-trailing-zeros.c
index 143dcda55d1..f6fddab4232 100644
--- a/lib/count-trailing-zeros.c
+++ b/lib/count-trailing-zeros.c
@@ -1,6 +1,6 @@
 /* Count the number of trailing 0 bits in a word.
 
-   Copyright 2013-2022 Free Software Foundation, Inc.
+   Copyright 2013-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/count-trailing-zeros.h b/lib/count-trailing-zeros.h
index 61fbdf29801..ef8e164126a 100644
--- a/lib/count-trailing-zeros.h
+++ b/lib/count-trailing-zeros.h
@@ -1,5 +1,5 @@
 /* count-trailing-zeros.h -- counts the number of trailing 0 bits in a word.
-   Copyright 2013-2022 Free Software Foundation, Inc.
+   Copyright 2013-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/diffseq.h b/lib/diffseq.h
index a8b0e7bd408..ad3f258ab6b 100644
--- a/lib/diffseq.h
+++ b/lib/diffseq.h
@@ -1,7 +1,7 @@
 /* Analyze differences between two vectors.
 
-   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2023 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/lib/dirent.in.h b/lib/dirent.in.h
index f28288d1acc..2aaabd054a8 100644
--- a/lib/dirent.in.h
+++ b/lib/dirent.in.h
@@ -1,5 +1,5 @@
 /* A GNU-like <dirent.h>.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/dirfd.c b/lib/dirfd.c
index 4104683fbf0..b2b1d25cdbd 100644
--- a/lib/dirfd.c
+++ b/lib/dirfd.c
@@ -1,6 +1,6 @@
 /* dirfd.c -- return the file descriptor associated with an open DIR*
 
-   Copyright (C) 2001, 2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/dtoastr.c b/lib/dtoastr.c
index 71af14c9df4..66b50995c79 100644
--- a/lib/dtoastr.c
+++ b/lib/dtoastr.c
@@ -1,6 +1,6 @@
 /* Convert 'double' to accurate string.
 
-   Copyright (C) 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2010-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/lib/dtotimespec.c b/lib/dtotimespec.c
index b62a8bd6cfc..28a44b69171 100644
--- a/lib/dtotimespec.c
+++ b/lib/dtotimespec.c
@@ -1,6 +1,6 @@
 /* Convert double to timespec.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 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/lib/dup2.c b/lib/dup2.c
index 1c766ab38ec..1597d9d1e6e 100644
--- a/lib/dup2.c
+++ b/lib/dup2.c
@@ -1,6 +1,7 @@
 /* Duplicate an open file descriptor to a specified file descriptor.
 
-   Copyright (C) 1999, 2004-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2004-2007, 2009-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/dynarray.h b/lib/dynarray.h
index ca6439d3adc..9155910934f 100644
--- a/lib/dynarray.h
+++ b/lib/dynarray.h
@@ -1,5 +1,5 @@
 /* Type-safe arrays which grow dynamically.
-   Copyright 2021-2022 Free Software Foundation, Inc.
+   Copyright 2021-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/eloop-threshold.h b/lib/eloop-threshold.h
index 8b314571198..510f261795d 100644
--- a/lib/eloop-threshold.h
+++ b/lib/eloop-threshold.h
@@ -1,5 +1,5 @@
 /* Threshold at which to diagnose ELOOP.  Generic version.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/errno.in.h b/lib/errno.in.h
index 3ec18456940..3dda9c260e6 100644
--- a/lib/errno.in.h
+++ b/lib/errno.in.h
@@ -1,6 +1,6 @@
 /* A POSIX-like <errno.h>.
 
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/euidaccess.c b/lib/euidaccess.c
index 97388c73bbb..c2ecbeff52a 100644
--- a/lib/euidaccess.c
+++ b/lib/euidaccess.c
@@ -1,6 +1,6 @@
 /* euidaccess -- check if effective user id can access file
 
-   Copyright (C) 1990-1991, 1995, 1998, 2000, 2003-2006, 2008-2022 Free
+   Copyright (C) 1990-1991, 1995, 1998, 2000, 2003-2006, 2008-2023 Free
    Software Foundation, Inc.
 
    This file is part of the GNU C Library.
diff --git a/lib/execinfo.c b/lib/execinfo.c
index 4320b16c63d..2048d00f5fb 100644
--- a/lib/execinfo.c
+++ b/lib/execinfo.c
@@ -1,6 +1,6 @@
 /* Information about executables.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/execinfo.in.h b/lib/execinfo.in.h
index 03c551a87b3..ff9293b6327 100644
--- a/lib/execinfo.in.h
+++ b/lib/execinfo.in.h
@@ -1,6 +1,6 @@
 /* Information about executables.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
diff --git a/lib/explicit_bzero.c b/lib/explicit_bzero.c
new file mode 100644
index 00000000000..c33cab9e6d5
--- /dev/null
+++ b/lib/explicit_bzero.c
@@ -0,0 +1,74 @@
+/* Erasure of sensitive data, generic implementation.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* An assembler implementation of explicit_bzero can be created as an
+   assembler alias of an optimized bzero implementation.
+   Architecture-specific implementations also need to define
+   __explicit_bzero_chk.  */
+
+#if !_LIBC
+# include <config.h>
+#endif
+
+/* memset_s need this define */
+#if HAVE_MEMSET_S
+# define __STDC_WANT_LIB_EXT1__ 1
+#endif
+
+#include <string.h>
+
+#if defined _WIN32 && !defined __CYGWIN__
+# define  WIN32_LEAN_AND_MEAN
+# include <windows.h>
+#endif
+
+#if _LIBC
+/* glibc-internal users use __explicit_bzero_chk, and explicit_bzero
+   redirects to that.  */
+# undef explicit_bzero
+#endif
+
+/* Set LEN bytes of S to 0.  The compiler will not delete a call to
+   this function, even if S is dead after the call.  */
+void
+explicit_bzero (void *s, size_t len)
+{
+#if defined _WIN32 && !defined __CYGWIN__
+  (void) SecureZeroMemory (s, len);
+#elif HAVE_EXPLICIT_MEMSET
+  explicit_memset (s, '\0', len);
+#elif HAVE_MEMSET_S
+  (void) memset_s (s, len, '\0', len);
+#elif defined __GNUC__ && !defined __clang__
+  memset (s, '\0', len);
+  /* Compiler barrier.  */
+  asm volatile ("" ::: "memory");
+#elif defined __clang__
+  memset (s, '\0', len);
+  /* Compiler barrier.  */
+  /* With asm ("" ::: "memory") LLVM analyzes uses of 's' and finds that the
+     whole thing is dead and eliminates it.  Use 'g' to work around this
+     problem.  See <https://bugs.llvm.org/show_bug.cgi?id=15495#c11>.  */
+  __asm__ volatile ("" : : "g"(s) : "memory");
+#else
+  /* Invoke memset through a volatile function pointer.  This defeats compiler
+     optimizations.  */
+  void * (* const volatile volatile_memset) (void *, int, size_t) = memset;
+  (void) volatile_memset (s, '\0', len);
+#endif
+}
diff --git a/lib/faccessat.c b/lib/faccessat.c
index c1737d03a10..ac8977cfd65 100644
--- a/lib/faccessat.c
+++ b/lib/faccessat.c
@@ -1,5 +1,5 @@
 /* Check the access rights of a file relative to an open directory.
-   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
diff --git a/lib/fchmodat.c b/lib/fchmodat.c
index 164e2c4a95f..a7b70a2af2c 100644
--- a/lib/fchmodat.c
+++ b/lib/fchmodat.c
@@ -1,5 +1,5 @@
 /* Change the protections of file relative to an open directory.
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 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
diff --git a/lib/fcntl.c b/lib/fcntl.c
index f9753c4035f..e220800845b 100644
--- a/lib/fcntl.c
+++ b/lib/fcntl.c
@@ -1,6 +1,6 @@
 /* Provide file descriptor control.
 
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/fcntl.in.h b/lib/fcntl.in.h
index 9270ced8973..e034eaf9f5a 100644
--- a/lib/fcntl.in.h
+++ b/lib/fcntl.in.h
@@ -1,6 +1,6 @@
 /* Like <fcntl.h>, but with non-working flags defined to 0.
 
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/fdopendir.c b/lib/fdopendir.c
index c2b0e1ed347..aa841e3e819 100644
--- a/lib/fdopendir.c
+++ b/lib/fdopendir.c
@@ -1,5 +1,5 @@
 /* provide a replacement fdopendir function
-   Copyright (C) 2004-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004-2023 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/lib/file-has-acl.c b/lib/file-has-acl.c
index 676523ba821..d0e11e631ca 100644
--- a/lib/file-has-acl.c
+++ b/lib/file-has-acl.c
@@ -1,6 +1,6 @@
 /* Test whether a file has a nontrivial ACL.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/filemode.c b/lib/filemode.c
index a8cbea844c8..318d287f27d 100644
--- a/lib/filemode.c
+++ b/lib/filemode.c
@@ -1,6 +1,6 @@
 /* filemode.c -- make a string describing file modes
 
-   Copyright (C) 1985, 1990, 1993, 1998-2000, 2004, 2006, 2009-2022 Free
+   Copyright (C) 1985, 1990, 1993, 1998-2000, 2004, 2006, 2009-2023 Free
    Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/filemode.h b/lib/filemode.h
index bf38181cdcd..d456cc585b3 100644
--- a/lib/filemode.h
+++ b/lib/filemode.h
@@ -1,7 +1,7 @@
 /* Make a string describing file modes.
 
-   Copyright (C) 1998-1999, 2003, 2006, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 1998-1999, 2003, 2006, 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
diff --git a/lib/filename.h b/lib/filename.h
index ab77ca2df91..a2400a9dfe3 100644
--- a/lib/filename.h
+++ b/lib/filename.h
@@ -1,5 +1,5 @@
 /* Basic filename support macros.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/filevercmp.c b/lib/filevercmp.c
index 844505a6bf7..78e1faff536 100644
--- a/lib/filevercmp.c
+++ b/lib/filevercmp.c
@@ -2,7 +2,7 @@
 
    Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
    Copyright (C) 2001 Anthony Towns <aj@azure.humbug.org.au>
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/filevercmp.h b/lib/filevercmp.h
index 57949760b25..6b81ab32a7f 100644
--- a/lib/filevercmp.h
+++ b/lib/filevercmp.h
@@ -2,7 +2,7 @@
 
    Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
    Copyright (C) 2001 Anthony Towns <aj@azure.humbug.org.au>
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/fingerprint.c b/lib/fingerprint.c
index e450d317d72..d83de2245e8 100644
--- a/lib/fingerprint.c
+++ b/lib/fingerprint.c
@@ -1,6 +1,6 @@
 /* Placeholder fingerprint for Emacs
 
-Copyright 2019-2022 Free Software Foundation, Inc.
+Copyright 2019-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/lib/fingerprint.h b/lib/fingerprint.h
index d683d0a37a0..0bb099ceeee 100644
--- a/lib/fingerprint.h
+++ b/lib/fingerprint.h
@@ -1,6 +1,6 @@
 /* Header file for the Emacs build fingerprint.
 
-Copyright (C) 2016, 2018-2022 Free Software Foundation, Inc.
+Copyright (C) 2016, 2018-2023 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/lib/flexmember.h b/lib/flexmember.h
index 1545639f754..a6cc876a6d5 100644
--- a/lib/flexmember.h
+++ b/lib/flexmember.h
@@ -1,6 +1,6 @@
 /* Sizes of structs with flexible array members.
 
-   Copyright 2016-2022 Free Software Foundation, Inc.
+   Copyright 2016-2023 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
diff --git a/lib/fpending.c b/lib/fpending.c
index 6408cff4647..df3cd85f3a6 100644
--- a/lib/fpending.c
+++ b/lib/fpending.c
@@ -1,6 +1,6 @@
 /* fpending.c -- return the number of pending output bytes on a stream
-   Copyright (C) 2000, 2004, 2006-2007, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 2000, 2004, 2006-2007, 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
diff --git a/lib/fpending.h b/lib/fpending.h
index 43542c5b8ad..fe310384f7e 100644
--- a/lib/fpending.h
+++ b/lib/fpending.h
@@ -1,7 +1,7 @@
 /* Declare __fpending.
 
-   Copyright (C) 2000, 2003, 2005-2006, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 2000, 2003, 2005-2006, 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
diff --git a/lib/free.c b/lib/free.c
index 86ebe6c6300..372a6b0fecf 100644
--- a/lib/free.c
+++ b/lib/free.c
@@ -1,6 +1,6 @@
 /* Make free() preserve errno.
 
-   Copyright (C) 2003, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2006, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/fstatat.c b/lib/fstatat.c
index 6e8344964bc..372965ef5f6 100644
--- a/lib/fstatat.c
+++ b/lib/fstatat.c
@@ -1,6 +1,6 @@
 /* Work around an fstatat bug on Solaris 9.
 
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 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
diff --git a/lib/fsusage.c b/lib/fsusage.c
index 18f790f6e7b..2be120a06de 100644
--- a/lib/fsusage.c
+++ b/lib/fsusage.c
@@ -1,7 +1,7 @@
 /* fsusage.c -- return space usage of mounted file systems
 
-   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2023 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/fsusage.h b/lib/fsusage.h
index 27085b7b41e..9630b04e001 100644
--- a/lib/fsusage.h
+++ b/lib/fsusage.h
@@ -1,6 +1,6 @@
 /* fsusage.h -- declarations for file system space usage info
 
-   Copyright (C) 1991-1992, 1997, 2003-2006, 2009-2022 Free Software
+   Copyright (C) 1991-1992, 1997, 2003-2006, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/fsync.c b/lib/fsync.c
index 9b561ab96ee..51314662872 100644
--- a/lib/fsync.c
+++ b/lib/fsync.c
@@ -7,7 +7,7 @@
 
    Written by Richard W.M. Jones <rjones.at.redhat.com>
 
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/ftoastr.c b/lib/ftoastr.c
index 91057529221..8740a4d86c8 100644
--- a/lib/ftoastr.c
+++ b/lib/ftoastr.c
@@ -1,6 +1,6 @@
 /* floating point to accurate string
 
-   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/lib/ftoastr.h b/lib/ftoastr.h
index bac32a387e2..1ce1b7a4bc6 100644
--- a/lib/ftoastr.h
+++ b/lib/ftoastr.h
@@ -1,6 +1,6 @@
 /* floating point to accurate string
 
-   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/lib/futimens.c b/lib/futimens.c
index bc3e41a9439..5bb30493c7e 100644
--- a/lib/futimens.c
+++ b/lib/futimens.c
@@ -1,5 +1,5 @@
 /* Set the access and modification time of an open fd.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/get-permissions.c b/lib/get-permissions.c
index ff79adae72f..545ad23195b 100644
--- a/lib/get-permissions.c
+++ b/lib/get-permissions.c
@@ -1,6 +1,6 @@
 /* Get permissions of a file.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/getdtablesize.c b/lib/getdtablesize.c
index 793e0f8894e..ac2d1753a6b 100644
--- a/lib/getdtablesize.c
+++ b/lib/getdtablesize.c
@@ -1,5 +1,5 @@
 /* getdtablesize() function: Return maximum possible file descriptor value + 1.
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/getgroups.c b/lib/getgroups.c
index f7abd726671..6a2bda8d71e 100644
--- a/lib/getgroups.c
+++ b/lib/getgroups.c
@@ -1,6 +1,7 @@
 /* provide consistent interface to getgroups for systems that don't allow N==0
 
-   Copyright (C) 1996, 1999, 2003, 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2003, 2006-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/getloadavg.c b/lib/getloadavg.c
index 1fddee97afd..37fcea0a76b 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -1,7 +1,7 @@
 /* Get the system load averages.
 
-   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2023 Free
+   Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with gnulib.
    Bugs can be reported to bug-gnulib@gnu.org.
diff --git a/lib/getopt-cdefs.in.h b/lib/getopt-cdefs.in.h
index b6dd913caf9..e76c78cb212 100644
--- a/lib/getopt-cdefs.in.h
+++ b/lib/getopt-cdefs.in.h
@@ -1,5 +1,5 @@
 /* getopt-on-non-glibc compatibility macros.
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt-core.h b/lib/getopt-core.h
index 1c40ecc833f..c5dd49363f0 100644
--- a/lib/getopt-core.h
+++ b/lib/getopt-core.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (basic, portable features only).
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt-ext.h b/lib/getopt-ext.h
index d661fcc5548..d37c29328b2 100644
--- a/lib/getopt-ext.h
+++ b/lib/getopt-ext.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (GNU extensions).
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt-pfx-core.h b/lib/getopt-pfx-core.h
index 3eead0e04e8..3a2fde5ad4f 100644
--- a/lib/getopt-pfx-core.h
+++ b/lib/getopt-pfx-core.h
@@ -1,5 +1,5 @@
 /* getopt (basic, portable features) gnulib wrapper header.
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt-pfx-ext.h b/lib/getopt-pfx-ext.h
index 85a6cb5db3d..8578d72530a 100644
--- a/lib/getopt-pfx-ext.h
+++ b/lib/getopt-pfx-ext.h
@@ -1,5 +1,5 @@
 /* getopt (GNU extensions) gnulib wrapper header.
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt.c b/lib/getopt.c
index 128dc7fcf54..1e2441c4afe 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -1,5 +1,5 @@
 /* Getopt for GNU.
-   Copyright (C) 1987-2022 Free Software Foundation, Inc.
+   Copyright (C) 1987-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt.in.h b/lib/getopt.in.h
index 9bc50ee2be5..0867d365f47 100644
--- a/lib/getopt.in.h
+++ b/lib/getopt.in.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library, which supplies a different version of
diff --git a/lib/getopt1.c b/lib/getopt1.c
index 990eee1b64f..49323aa8ed1 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -1,5 +1,5 @@
 /* getopt_long and getopt_long_only entry points for GNU getopt.
-   Copyright (C) 1987-2022 Free Software Foundation, Inc.
+   Copyright (C) 1987-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt_int.h b/lib/getopt_int.h
index ccdbb973a51..4d9e24beebc 100644
--- a/lib/getopt_int.h
+++ b/lib/getopt_int.h
@@ -1,5 +1,5 @@
 /* Internal declarations for getopt.
-   Copyright (C) 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1989-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getrandom.c b/lib/getrandom.c
index c05a48167ed..19bb3429baf 100644
--- a/lib/getrandom.c
+++ b/lib/getrandom.c
@@ -1,6 +1,6 @@
 /* Obtain a series of random bytes.
 
-   Copyright 2020-2022 Free Software Foundation, Inc.
+   Copyright 2020-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/gettext.h b/lib/gettext.h
index b3577a043f8..582886f9f51 100644
--- a/lib/gettext.h
+++ b/lib/gettext.h
@@ -1,6 +1,6 @@
 /* Convenience header for conditional use of GNU <libintl.h>.
-   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2023 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/gettime.c b/lib/gettime.c
index 541af18bbfa..cfba830478e 100644
--- a/lib/gettime.c
+++ b/lib/gettime.c
@@ -1,6 +1,7 @@
 /* gettime -- get the system clock
 
-   Copyright (C) 2002, 2004-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004-2007, 2009-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c
index 36c7920afe6..7207c851272 100644
--- a/lib/gettimeofday.c
+++ b/lib/gettimeofday.c
@@ -1,6 +1,7 @@
 /* Provide gettimeofday for systems that don't have it or for which it's broken.
 
-   Copyright (C) 2001-2003, 2005-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005-2007, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in
index fcbf5bde2db..9e2eaf51381 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -1,5 +1,5 @@
 ## DO NOT EDIT! GENERATED AUTOMATICALLY!
-# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+# Copyright (C) 2002-2023 Free Software Foundation, Inc.
 #
 # This file 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/lib/group-member.c b/lib/group-member.c
index cd43f36f4eb..6e3f640dcf0 100644
--- a/lib/group-member.c
+++ b/lib/group-member.c
@@ -1,7 +1,7 @@
 /* group-member.c -- determine whether group id is in calling user's group list
 
-   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2023 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/idx.h b/lib/idx.h
index c3669ddaca8..23020b7ec0c 100644
--- a/lib/idx.h
+++ b/lib/idx.h
@@ -1,5 +1,5 @@
 /* A type for indices and sizes.
-   Copyright (C) 2020-2022 Free Software Foundation, Inc.
+   Copyright (C) 2020-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/ieee754.in.h b/lib/ieee754.in.h
index 2ca9709bb90..8de4c32be5e 100644
--- a/lib/ieee754.in.h
+++ b/lib/ieee754.in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/ignore-value.h b/lib/ignore-value.h
index 173b63f5379..f0b569af4a7 100644
--- a/lib/ignore-value.h
+++ b/lib/ignore-value.h
@@ -1,6 +1,6 @@
 /* ignore a function return without a compiler warning.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/intprops-internal.h b/lib/intprops-internal.h
index f6455f78559..0467a9ca8f2 100644
--- a/lib/intprops-internal.h
+++ b/lib/intprops-internal.h
@@ -1,6 +1,6 @@
 /* intprops-internal.h -- properties of integer types not visible to users
 
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
diff --git a/lib/intprops.h b/lib/intprops.h
index f182ddc1fe6..44b5e60fb9a 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -1,6 +1,6 @@
 /* intprops.h -- properties of integer types
 
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
diff --git a/lib/inttypes.in.h b/lib/inttypes.in.h
index 853eca087c5..50a2bbfcda2 100644
--- a/lib/inttypes.in.h
+++ b/lib/inttypes.in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2023 Free Software Foundation, Inc.
    Written by Paul Eggert, Bruno Haible, Derek Price.
    This file is part of gnulib.
 
diff --git a/lib/lchmod.c b/lib/lchmod.c
index 8410a2d835f..b2d1b8bfde1 100644
--- a/lib/lchmod.c
+++ b/lib/lchmod.c
@@ -1,6 +1,6 @@
 /* Implement lchmod on platforms where it does not work correctly.
 
-   Copyright 2020-2022 Free Software Foundation, Inc.
+   Copyright 2020-2023 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/lib/libc-config.h b/lib/libc-config.h
index a56665b1ce3..1d28e58c971 100644
--- a/lib/libc-config.h
+++ b/lib/libc-config.h
@@ -1,6 +1,6 @@
 /* System definitions for code taken from the GNU C Library
 
-   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 Lesser General Public
diff --git a/lib/limits.in.h b/lib/limits.in.h
index b77bf75c5fe..ae46a5aa25f 100644
--- a/lib/limits.in.h
+++ b/lib/limits.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <limits.h>.
 
-   Copyright 2016-2022 Free Software Foundation, Inc.
+   Copyright 2016-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/lstat.c b/lib/lstat.c
index 472bfbceb93..00a4ce2ab87 100644
--- a/lib/lstat.c
+++ b/lib/lstat.c
@@ -1,6 +1,6 @@
 /* Work around a bug of lstat on some systems
 
-   Copyright (C) 1997-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/malloc.c b/lib/malloc.c
index f334dd6e96d..92f8c841cd7 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -1,6 +1,7 @@
 /* malloc() function that is glibc compatible.
 
-   Copyright (C) 1997-1998, 2006-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-1998, 2006-2007, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/malloc/dynarray-skeleton.c b/lib/malloc/dynarray-skeleton.c
index bad548a498c..580c278b7c5 100644
--- a/lib/malloc/dynarray-skeleton.c
+++ b/lib/malloc/dynarray-skeleton.c
@@ -1,5 +1,5 @@
 /* Type-safe arrays which grow dynamically.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray.h b/lib/malloc/dynarray.h
index df1aa4167dd..a9a3b0859c1 100644
--- a/lib/malloc/dynarray.h
+++ b/lib/malloc/dynarray.h
@@ -1,5 +1,5 @@
 /* Type-safe arrays which grow dynamically.  Shared definitions.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray_at_failure.c b/lib/malloc/dynarray_at_failure.c
index 062ab7062bd..ebc9310982c 100644
--- a/lib/malloc/dynarray_at_failure.c
+++ b/lib/malloc/dynarray_at_failure.c
@@ -1,5 +1,5 @@
 /* Report an dynamic array index out of bounds condition.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray_emplace_enlarge.c b/lib/malloc/dynarray_emplace_enlarge.c
index 0cff2e7055a..7da539316c1 100644
--- a/lib/malloc/dynarray_emplace_enlarge.c
+++ b/lib/malloc/dynarray_emplace_enlarge.c
@@ -1,5 +1,5 @@
 /* Increase the size of a dynamic array in preparation of an emplace operation.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray_finalize.c b/lib/malloc/dynarray_finalize.c
index 3f360c3aa85..673595a5fad 100644
--- a/lib/malloc/dynarray_finalize.c
+++ b/lib/malloc/dynarray_finalize.c
@@ -1,5 +1,5 @@
 /* Copy the dynamically-allocated area to an explicitly-sized heap allocation.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray_resize.c b/lib/malloc/dynarray_resize.c
index 8d1922e5c7f..7ecd4de63b9 100644
--- a/lib/malloc/dynarray_resize.c
+++ b/lib/malloc/dynarray_resize.c
@@ -1,5 +1,5 @@
 /* Increase the size of a dynamic array.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/dynarray_resize_clear.c b/lib/malloc/dynarray_resize_clear.c
index 8cf1b0d0268..bb23c522a14 100644
--- a/lib/malloc/dynarray_resize_clear.c
+++ b/lib/malloc/dynarray_resize_clear.c
@@ -1,5 +1,5 @@
 /* Increase the size of a dynamic array and clear the new part.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/scratch_buffer.h b/lib/malloc/scratch_buffer.h
index a9bdcadec21..33fd2b29cd5 100644
--- a/lib/malloc/scratch_buffer.h
+++ b/lib/malloc/scratch_buffer.h
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/scratch_buffer_dupfree.c b/lib/malloc/scratch_buffer_dupfree.c
index eb3b95c1b1c..2f60fbb54e8 100644
--- a/lib/malloc/scratch_buffer_dupfree.c
+++ b/lib/malloc/scratch_buffer_dupfree.c
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2020-2022 Free Software Foundation, Inc.
+   Copyright (C) 2020-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/scratch_buffer_grow.c b/lib/malloc/scratch_buffer_grow.c
index 9a5e4dbb1eb..a5e8f2f7230 100644
--- a/lib/malloc/scratch_buffer_grow.c
+++ b/lib/malloc/scratch_buffer_grow.c
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/scratch_buffer_grow_preserve.c b/lib/malloc/scratch_buffer_grow_preserve.c
index 3fe5a0720ec..c0b5d87b7e4 100644
--- a/lib/malloc/scratch_buffer_grow_preserve.c
+++ b/lib/malloc/scratch_buffer_grow_preserve.c
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/malloc/scratch_buffer_set_array_size.c b/lib/malloc/scratch_buffer_set_array_size.c
index 89c37a950e9..24c39350ade 100644
--- a/lib/malloc/scratch_buffer_set_array_size.c
+++ b/lib/malloc/scratch_buffer_set_array_size.c
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/md5-stream.c b/lib/md5-stream.c
index 07c639fd360..ab48fe3261a 100644
--- a/lib/md5-stream.c
+++ b/lib/md5-stream.c
@@ -1,7 +1,7 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2023 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/md5.c b/lib/md5.c
index c16ac4a93a8..b1e139339f4 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,7 +1,7 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2023 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/md5.h b/lib/md5.h
index 611c230b817..3b0b4ff730f 100644
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -1,7 +1,7 @@
 /* Declaration of functions and data types used for MD5 sum computing
    library functions.
-   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2023 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/memmem.c b/lib/memmem.c
index 5701052d48b..665815efb1a 100644
--- a/lib/memmem.c
+++ b/lib/memmem.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1991-1994, 1996-1998, 2000, 2004, 2007-2022 Free Software
-   Foundation, Inc.
+/* Copyright (C) 1991-1994, 1996-1998, 2000, 2004, 2007-2023 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/mempcpy.c b/lib/mempcpy.c
index 9aae418ef29..24a3135988f 100644
--- a/lib/mempcpy.c
+++ b/lib/mempcpy.c
@@ -1,5 +1,5 @@
 /* Copy memory area and return pointer after last written byte.
-   Copyright (C) 2003, 2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2007, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/memrchr.c b/lib/memrchr.c
index 90fdb86f1f1..a34fc71f7da 100644
--- a/lib/memrchr.c
+++ b/lib/memrchr.c
@@ -1,7 +1,7 @@
 /* memrchr -- find the last occurrence of a byte in a memory block
 
-   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2023 Free
+   Software Foundation, Inc.
 
    Based on strlen implementation by Torbjorn Granlund (tege@sics.se),
    with help from Dan Sahlin (dan@sics.se) and
diff --git a/lib/mini-gmp-gnulib.c b/lib/mini-gmp-gnulib.c
index 7d09c80e9e9..b15ce0ff754 100644
--- a/lib/mini-gmp-gnulib.c
+++ b/lib/mini-gmp-gnulib.c
@@ -1,6 +1,6 @@
 /* Tailor mini-gmp.c for Gnulib-using applications.
 
-   Copyright 2018-2022 Free Software Foundation, Inc.
+   Copyright 2018-2023 Free Software Foundation, Inc.
 
    This file is free software.
    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
diff --git a/lib/minmax.h b/lib/minmax.h
index b4b1345bbce..1fbfc6616cf 100644
--- a/lib/minmax.h
+++ b/lib/minmax.h
@@ -1,5 +1,5 @@
 /* MIN, MAX macros.
-   Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2022 Free Software
+   Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/mkostemp.c b/lib/mkostemp.c
index eae289aff94..5cd5b3ac583 100644
--- a/lib/mkostemp.c
+++ b/lib/mkostemp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2022 Free Software
+/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2023 Free Software
    Foundation, Inc.
    This file is derived from the one in the GNU C Library.
 
diff --git a/lib/mktime-internal.h b/lib/mktime-internal.h
index 170764eabc8..709c36bdf56 100644
--- a/lib/mktime-internal.h
+++ b/lib/mktime-internal.h
@@ -1,5 +1,5 @@
 /* Internals of mktime and related functions
-   Copyright 2016-2022 Free Software Foundation, Inc.
+   Copyright 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Eggert <eggert@cs.ucla.edu>.
 
diff --git a/lib/mktime.c b/lib/mktime.c
index 7dc9d67ef9d..94a4320e6ca 100644
--- a/lib/mktime.c
+++ b/lib/mktime.c
@@ -1,5 +1,5 @@
 /* Convert a 'struct tm' to a time_t value.
-   Copyright (C) 1993-2022 Free Software Foundation, Inc.
+   Copyright (C) 1993-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Eggert <eggert@twinsun.com>.
 
diff --git a/lib/nanosleep.c b/lib/nanosleep.c
index 55d6fa650e3..6383115c0f1 100644
--- a/lib/nanosleep.c
+++ b/lib/nanosleep.c
@@ -1,6 +1,7 @@
 /* Provide a replacement for the POSIX nanosleep function.
 
-   Copyright (C) 1999-2000, 2002, 2004-2022 Free Software Foundation, Inc.
+   Copyright (C) 1999-2000, 2002, 2004-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/nproc.c b/lib/nproc.c
index 378d3ff3fc6..2740c458c11 100644
--- a/lib/nproc.c
+++ b/lib/nproc.c
@@ -1,6 +1,6 @@
 /* Detect the number of processors.
 
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/nproc.h b/lib/nproc.h
index 505351d95f4..7b8b16d37cd 100644
--- a/lib/nproc.h
+++ b/lib/nproc.h
@@ -1,6 +1,6 @@
 /* Detect the number of processors.
 
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/nstrftime.c b/lib/nstrftime.c
index 37034eb9fb7..68bb560910d 100644
--- a/lib/nstrftime.c
+++ b/lib/nstrftime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/open.c b/lib/open.c
index 170bff108e3..7ec8fdc35dc 100644
--- a/lib/open.c
+++ b/lib/open.c
@@ -1,5 +1,5 @@
 /* Open a descriptor to a file.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/openat-priv.h b/lib/openat-priv.h
index 5d60810709d..1d31c4e83cb 100644
--- a/lib/openat-priv.h
+++ b/lib/openat-priv.h
@@ -1,6 +1,6 @@
 /* Internals for openat-like functions.
 
-   Copyright (C) 2005-2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 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
diff --git a/lib/openat-proc.c b/lib/openat-proc.c
index 3bacf7dbd13..2a6a85f0696 100644
--- a/lib/openat-proc.c
+++ b/lib/openat-proc.c
@@ -1,6 +1,6 @@
 /* Create /proc/self/fd-related names for subfiles of open directories.
 
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 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
diff --git a/lib/openat.h b/lib/openat.h
index c2f64ff50e2..37d8eedbee4 100644
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -1,5 +1,5 @@
 /* provide a replacement openat function
-   Copyright (C) 2004-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004-2006, 2008-2023 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/lib/pathmax.h b/lib/pathmax.h
index 19b93d7eab1..0dd8f3bc5ce 100644
--- a/lib/pathmax.h
+++ b/lib/pathmax.h
@@ -1,5 +1,5 @@
 /* Define PATH_MAX somehow.  Requires sys/types.h.
-   Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2022 Free Software
+   Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/pipe2.c b/lib/pipe2.c
index a3cbb7f2611..8f06575a1dd 100644
--- a/lib/pipe2.c
+++ b/lib/pipe2.c
@@ -1,5 +1,5 @@
 /* Create a pipe, with specific opening flags.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/pselect.c b/lib/pselect.c
index a1eca0c6a26..f5d21e1048a 100644
--- a/lib/pselect.c
+++ b/lib/pselect.c
@@ -1,6 +1,6 @@
 /* pselect - synchronous I/O multiplexing
 
-   Copyright 2011-2022 Free Software Foundation, Inc.
+   Copyright 2011-2023 Free Software Foundation, Inc.
 
    This file is part of gnulib.
 
diff --git a/lib/pthread_sigmask.c b/lib/pthread_sigmask.c
index cd4eb807325..128107582a7 100644
--- a/lib/pthread_sigmask.c
+++ b/lib/pthread_sigmask.c
@@ -1,5 +1,5 @@
 /* POSIX compatible signal blocking for threads.
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/qcopy-acl.c b/lib/qcopy-acl.c
index 37fb179260d..883bcf7d588 100644
--- a/lib/qcopy-acl.c
+++ b/lib/qcopy-acl.c
@@ -1,6 +1,6 @@
 /* Copy access control list from one file to another.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/rawmemchr.c b/lib/rawmemchr.c
index bdd7307de4b..45c6cd35276 100644
--- a/lib/rawmemchr.c
+++ b/lib/rawmemchr.c
@@ -1,5 +1,5 @@
 /* Searching in a string.
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/rawmemchr.valgrind b/lib/rawmemchr.valgrind
index 64cf86c8429..f3e4cb0f655 100644
--- a/lib/rawmemchr.valgrind
+++ b/lib/rawmemchr.valgrind
@@ -1,6 +1,6 @@
 # Suppress a valgrind message about use of uninitialized memory in rawmemchr().
 
-# Copyright (C) 2008-2022 Free Software Foundation, Inc.
+# Copyright (C) 2008-2023 Free Software Foundation, Inc.
 #
 # This file is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as
diff --git a/lib/readlink.c b/lib/readlink.c
index ed03cc8ded1..14bbb7f10ca 100644
--- a/lib/readlink.c
+++ b/lib/readlink.c
@@ -1,5 +1,5 @@
 /* Read the contents of a symbolic link.
-   Copyright (C) 2003-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003-2007, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/readlinkat.c b/lib/readlinkat.c
index ab45e140b59..7738ba8bfd5 100644
--- a/lib/readlinkat.c
+++ b/lib/readlinkat.c
@@ -1,5 +1,5 @@
 /* Read a symlink relative to an open directory.
-   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
diff --git a/lib/realloc.c b/lib/realloc.c
index c8783815761..1063eb09874 100644
--- a/lib/realloc.c
+++ b/lib/realloc.c
@@ -1,6 +1,6 @@
 /* realloc() function that is glibc compatible.
 
-   Copyright (C) 1997, 2003-2004, 2006-2007, 2009-2022 Free Software
+   Copyright (C) 1997, 2003-2004, 2006-2007, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/regcomp.c b/lib/regcomp.c
index 122c3de58c3..89478396855 100644
--- a/lib/regcomp.c
+++ b/lib/regcomp.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
diff --git a/lib/regex.c b/lib/regex.c
index ff1176782e4..3beb0deb987 100644
--- a/lib/regex.c
+++ b/lib/regex.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
diff --git a/lib/regex.h b/lib/regex.h
index a7e0bd02757..9ef0252ffff 100644
--- a/lib/regex.h
+++ b/lib/regex.h
@@ -1,6 +1,6 @@
 /* Definitions for data structures and routines for the regular
    expression library.
-   Copyright (C) 1985, 1989-2022 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1989-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/regex_internal.c b/lib/regex_internal.c
index 0e6919f3400..998a19b7241 100644
--- a/lib/regex_internal.c
+++ b/lib/regex_internal.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
diff --git a/lib/regex_internal.h b/lib/regex_internal.h
index 784d2d45866..149ec2e868a 100644
--- a/lib/regex_internal.h
+++ b/lib/regex_internal.h
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
diff --git a/lib/regexec.c b/lib/regexec.c
index 521cb028415..13e0349e727 100644
--- a/lib/regexec.c
+++ b/lib/regexec.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
diff --git a/lib/root-uid.h b/lib/root-uid.h
index b3274e39aaa..1905575e47b 100644
--- a/lib/root-uid.h
+++ b/lib/root-uid.h
@@ -1,6 +1,6 @@
 /* The user ID that always has appropriate privileges in the POSIX sense.
 
-   Copyright 2012-2022 Free Software Foundation, Inc.
+   Copyright 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/save-cwd.c b/lib/save-cwd.c
index ecaef8974a0..7c517d1c819 100644
--- a/lib/save-cwd.c
+++ b/lib/save-cwd.c
@@ -1,6 +1,6 @@
 /* save-cwd.c -- Save and restore current working directory.
 
-   Copyright (C) 1995, 1997-1998, 2003-2006, 2009-2022 Free Software
+   Copyright (C) 1995, 1997-1998, 2003-2006, 2009-2023 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/save-cwd.h b/lib/save-cwd.h
index 90e8a0747ce..f26319389c2 100644
--- a/lib/save-cwd.h
+++ b/lib/save-cwd.h
@@ -1,7 +1,7 @@
 /* Save and restore current working directory.
 
-   Copyright (C) 1995, 1997-1998, 2003, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 1995, 1997-1998, 2003, 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
diff --git a/lib/scratch_buffer.h b/lib/scratch_buffer.h
index c0aa21630f5..4cf60d232b7 100644
--- a/lib/scratch_buffer.h
+++ b/lib/scratch_buffer.h
@@ -1,5 +1,5 @@
 /* Variable-sized buffer with on-stack default allocation.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/set-permissions.c b/lib/set-permissions.c
index c1a4b82a0d0..1d6732cc78f 100644
--- a/lib/set-permissions.c
+++ b/lib/set-permissions.c
@@ -1,6 +1,6 @@
 /* Set permissions of a file.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2023 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/lib/sha1.c b/lib/sha1.c
index 5a18213edc1..3f6d86a285c 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -1,7 +1,8 @@
 /* sha1.c - Functions to compute SHA1 message digest of files or
    memory blocks according to the NIST specification FIPS-180-1.
 
-   Copyright (C) 2000-2001, 2003-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2000-2001, 2003-2006, 2008-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sha1.h b/lib/sha1.h
index bc3470a508d..5a58b567ceb 100644
--- a/lib/sha1.h
+++ b/lib/sha1.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA1 sum
    library functions.
-   Copyright (C) 2000-2001, 2003, 2005-2006, 2008-2022 Free Software
+   Copyright (C) 2000-2001, 2003, 2005-2006, 2008-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/sha256.c b/lib/sha256.c
index 60cd763612d..e5fea02bc2e 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -1,7 +1,7 @@
 /* sha256.c - Functions to compute SHA256 and SHA224 message digest of files or
    memory blocks according to the NIST specification FIPS-180-2.
 
-   Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sha256.h b/lib/sha256.h
index 533173a59e8..2879477e89c 100644
--- a/lib/sha256.h
+++ b/lib/sha256.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA256 and SHA224 sum
    library functions.
-   Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sha512.c b/lib/sha512.c
index fd17a7dc760..8ca7fa319f5 100644
--- a/lib/sha512.c
+++ b/lib/sha512.c
@@ -1,7 +1,7 @@
 /* sha512.c - Functions to compute SHA512 and SHA384 message digest of files or
    memory blocks according to the NIST specification FIPS-180-2.
 
-   Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sha512.h b/lib/sha512.h
index 1eb18702278..e3a98a2644c 100644
--- a/lib/sha512.h
+++ b/lib/sha512.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA512 and SHA384 sum
    library functions.
-   Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sig2str.c b/lib/sig2str.c
index 8e2fc0c0754..4f68cb7ca8a 100644
--- a/lib/sig2str.c
+++ b/lib/sig2str.c
@@ -1,6 +1,7 @@
 /* sig2str.c -- convert between signal names and numbers
 
-   Copyright (C) 2002, 2004, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2006, 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
diff --git a/lib/sig2str.h b/lib/sig2str.h
index a45af7f9686..1e5253658e7 100644
--- a/lib/sig2str.h
+++ b/lib/sig2str.h
@@ -1,6 +1,6 @@
 /* sig2str.h -- convert between signal names and numbers
 
-   Copyright (C) 2002, 2005, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005, 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
diff --git a/lib/sigdescr_np.c b/lib/sigdescr_np.c
index 652bc8d75b4..fc8a4ad47a2 100644
--- a/lib/sigdescr_np.c
+++ b/lib/sigdescr_np.c
@@ -1,5 +1,5 @@
 /* English descriptions of signals.
-   Copyright (C) 2020-2022 Free Software Foundation, Inc.
+   Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/signal.in.h b/lib/signal.in.h
index c0d4848db0a..fea12e6572d 100644
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <signal.h>.
 
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stat-time.c b/lib/stat-time.c
index 3d48a2b5b0e..bc282232ab3 100644
--- a/lib/stat-time.c
+++ b/lib/stat-time.c
@@ -1,6 +1,6 @@
 /* stat-related time functions.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stat-time.h b/lib/stat-time.h
index b661196ea58..92aa1e64e20 100644
--- a/lib/stat-time.h
+++ b/lib/stat-time.h
@@ -1,6 +1,6 @@
 /* stat-related time functions.
 
-   Copyright (C) 2005, 2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stdalign.in.h b/lib/stdalign.in.h
index 58fd245c627..17357810c7c 100644
--- a/lib/stdalign.in.h
+++ b/lib/stdalign.in.h
@@ -1,6 +1,6 @@
 /* A substitute for ISO C11 <stdalign.h>.
 
-   Copyright 2011-2022 Free Software Foundation, Inc.
+   Copyright 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stdckdint.in.h b/lib/stdckdint.in.h
index 762d3fdb790..71bab5f0c9e 100644
--- a/lib/stdckdint.in.h
+++ b/lib/stdckdint.in.h
@@ -1,6 +1,6 @@
 /* stdckdint.h -- checked integer arithmetic
 
-   Copyright 2022 Free Software Foundation, Inc.
+   Copyright 2022-2023 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
diff --git a/lib/stddef.in.h b/lib/stddef.in.h
index 5c9a747d7d2..6eadcc3d5a4 100644
--- a/lib/stddef.in.h
+++ b/lib/stddef.in.h
@@ -1,6 +1,6 @@
 /* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues.
 
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stdint.in.h b/lib/stdint.in.h
index eaa7874f539..5ddc644b8ee 100644
--- a/lib/stdint.in.h
+++ b/lib/stdint.in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2002, 2004-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2002, 2004-2023 Free Software Foundation, Inc.
    Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
    This file is part of gnulib.
 
diff --git a/lib/stdio-impl.h b/lib/stdio-impl.h
index ed32e6981ac..81e7f838372 100644
--- a/lib/stdio-impl.h
+++ b/lib/stdio-impl.h
@@ -1,5 +1,5 @@
 /* Implementation details of FILE streams.
-   Copyright (C) 2007-2008, 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2008, 2010-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 7b36dac2f52..59cbea3d47d 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <stdio.h>.
 
-   Copyright (C) 2004, 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index 8e0a609f1f7..4c8aad76124 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -1,6 +1,7 @@
 /* A GNU-like <stdlib.h>.
 
-   Copyright (C) 1995, 2001-2004, 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2004, 2006-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/stpcpy.c b/lib/stpcpy.c
index 434f84ae765..73c1eb786ff 100644
--- a/lib/stpcpy.c
+++ b/lib/stpcpy.c
@@ -1,5 +1,5 @@
 /* stpcpy.c -- copy a string and return pointer to end of new string
-   Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2022 Free Software
+   Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2023 Free Software
    Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C Library.
diff --git a/lib/str-two-way.h b/lib/str-two-way.h
index b00017c0b4b..dfe702241c0 100644
--- a/lib/str-two-way.h
+++ b/lib/str-two-way.h
@@ -1,5 +1,5 @@
 /* Byte-wise substring search, using the Two-Way algorithm.
-   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Eric Blake <ebb9@byu.net>, 2008.
 
diff --git a/lib/strftime.h b/lib/strftime.h
index a9847084f01..88c1f73928f 100644
--- a/lib/strftime.h
+++ b/lib/strftime.h
@@ -1,6 +1,6 @@
 /* declarations for strftime.c
 
-   Copyright (C) 2002, 2004, 2008-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2008-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/string.in.h b/lib/string.in.h
index 21356914e21..1e27deed982 100644
--- a/lib/string.in.h
+++ b/lib/string.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <string.h>.
 
-   Copyright (C) 1995-1996, 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-1996, 2001-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/strnlen.c b/lib/strnlen.c
index c8fc69c6a9c..09c010eac42 100644
--- a/lib/strnlen.c
+++ b/lib/strnlen.c
@@ -1,5 +1,5 @@
 /* Find the length of STRING, but scan at most MAXLEN characters.
-   Copyright (C) 2005-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2007, 2009-2023 Free Software Foundation, Inc.
    Written by Simon Josefsson.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/strtoimax.c b/lib/strtoimax.c
index 29d16d29cef..d8d74e8c699 100644
--- a/lib/strtoimax.c
+++ b/lib/strtoimax.c
@@ -1,7 +1,7 @@
 /* Convert string representation of a number into an intmax_t value.
 
-   Copyright (C) 1999, 2001-2004, 2006, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 1999, 2001-2004, 2006, 2009-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/strtol.c b/lib/strtol.c
index 6c2e9333abc..6bc1f061877 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -1,7 +1,7 @@
 /* Convert string representation of a number into an integer value.
 
-   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2022 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2023 Free
+   Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@gnu.org.
diff --git a/lib/strtoll.c b/lib/strtoll.c
index acea42ee003..919b453984c 100644
--- a/lib/strtoll.c
+++ b/lib/strtoll.c
@@ -1,6 +1,6 @@
 /* Function to parse a 'long long int' from text.
-   Copyright (C) 1995-1997, 1999, 2001, 2009-2022 Free Software Foundation,
-   Inc.
+   Copyright (C) 1995-1997, 1999, 2001, 2009-2023 Free Software
+   Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/symlink.c b/lib/symlink.c
index 26310af7b12..b5009ae8355 100644
--- a/lib/symlink.c
+++ b/lib/symlink.c
@@ -1,5 +1,5 @@
 /* Stub for symlink().
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sys_random.in.h b/lib/sys_random.in.h
index c91bcd2cd04..8dca1326837 100644
--- a/lib/sys_random.in.h
+++ b/lib/sys_random.in.h
@@ -1,5 +1,5 @@
 /* Substitute for <sys/random.h>.
-   Copyright (C) 2020-2022 Free Software Foundation, Inc.
+   Copyright (C) 2020-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sys_select.in.h b/lib/sys_select.in.h
index 860e957fe0f..13440fa6f0a 100644
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -1,5 +1,5 @@
 /* Substitute for <sys/select.h>.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index 0ec320f58c0..096887c0162 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -1,5 +1,5 @@
 /* Provide a more complete sys/stat.h header file.
-   Copyright (C) 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sys_time.in.h b/lib/sys_time.in.h
index 87db1a88745..e833d551677 100644
--- a/lib/sys_time.in.h
+++ b/lib/sys_time.in.h
@@ -1,6 +1,6 @@
 /* Provide a more complete sys/time.h.
 
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/sys_types.in.h b/lib/sys_types.in.h
index 698e88d6326..082a6c674de 100644
--- a/lib/sys_types.in.h
+++ b/lib/sys_types.in.h
@@ -1,6 +1,6 @@
 /* Provide a more complete sys/types.h.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/tempname.c b/lib/tempname.c
index dbff638f701..bf362db6e17 100644
--- a/lib/tempname.c
+++ b/lib/tempname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/tempname.h b/lib/tempname.h
index 5e3c5e15500..36a51381548 100644
--- a/lib/tempname.h
+++ b/lib/tempname.h
@@ -1,6 +1,6 @@
 /* Create a temporary file or directory.
 
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/time-internal.h b/lib/time-internal.h
index c8a2a8ce6bc..51423c94ca9 100644
--- a/lib/time-internal.h
+++ b/lib/time-internal.h
@@ -1,6 +1,6 @@
 /* Time internal interface
 
-   Copyright 2015-2022 Free Software Foundation, Inc.
+   Copyright 2015-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/time.in.h b/lib/time.in.h
index aba2eda8759..50c9b30b6b3 100644
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -1,6 +1,6 @@
 /* A more-standard <time.h>.
 
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/time_r.c b/lib/time_r.c
index d4b22755451..c8143a6900a 100644
--- a/lib/time_r.c
+++ b/lib/time_r.c
@@ -1,6 +1,7 @@
 /* Reentrant time functions like localtime_r.
 
-   Copyright (C) 2003, 2006-2007, 2010-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2006-2007, 2010-2023 Free Software Foundation,
+   Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/time_rz.c b/lib/time_rz.c
index 601ce5950e8..da0d57b8b1a 100644
--- a/lib/time_rz.c
+++ b/lib/time_rz.c
@@ -1,6 +1,6 @@
 /* Time zone functions such as tzalloc and localtime_rz
 
-   Copyright 2015-2022 Free Software Foundation, Inc.
+   Copyright 2015-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/timegm.c b/lib/timegm.c
index a1b19efc392..b47025a0545 100644
--- a/lib/timegm.c
+++ b/lib/timegm.c
@@ -1,6 +1,6 @@
 /* Convert UTC calendar time to simple time.  Like mktime but assumes UTC.
 
-   Copyright (C) 1994-2022 Free Software Foundation, Inc.
+   Copyright (C) 1994-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/timespec-add.c b/lib/timespec-add.c
index 0f270e5bc8c..cb3017803b4 100644
--- a/lib/timespec-add.c
+++ b/lib/timespec-add.c
@@ -1,6 +1,6 @@
 /* Add two struct timespec values.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 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/lib/timespec-sub.c b/lib/timespec-sub.c
index 36747833e39..822c2831089 100644
--- a/lib/timespec-sub.c
+++ b/lib/timespec-sub.c
@@ -1,6 +1,6 @@
 /* Subtract two struct timespec values.
 
-   Copyright (C) 2011-2022 Free Software Foundation, Inc.
+   Copyright (C) 2011-2023 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/lib/timespec.c b/lib/timespec.c
index 9d136cb803b..5f7ffbdd45f 100644
--- a/lib/timespec.c
+++ b/lib/timespec.c
@@ -1,6 +1,6 @@
 /* Inline functions for <timespec.h>.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/timespec.h b/lib/timespec.h
index 9e358289a2a..ba78647f09a 100644
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -1,6 +1,6 @@
 /* timespec -- System time interface
 
-   Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2022 Free Software
+   Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2023 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/u64.c b/lib/u64.c
index 0eefeae801b..ca088b45463 100644
--- a/lib/u64.c
+++ b/lib/u64.c
@@ -1,6 +1,6 @@
 /* uint64_t-like operations that work even on hosts lacking uint64_t
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/u64.h b/lib/u64.h
index 1908e7c3896..0353ad4d9af 100644
--- a/lib/u64.h
+++ b/lib/u64.h
@@ -1,6 +1,6 @@
 /* uint64_t-like operations that work even on hosts lacking uint64_t
 
-   Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/unistd.c b/lib/unistd.c
index 95978e6ad0a..be7a8255033 100644
--- a/lib/unistd.c
+++ b/lib/unistd.c
@@ -1,6 +1,6 @@
 /* Inline functions for <unistd.h>.
 
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 50f6e56550e..4812fdb1120 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1,5 +1,5 @@
 /* Substitute for and wrapper around <unistd.h>.
-   Copyright (C) 2003-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/unlocked-io.h b/lib/unlocked-io.h
index 7461d740959..fdef624ab9c 100644
--- a/lib/unlocked-io.h
+++ b/lib/unlocked-io.h
@@ -1,6 +1,6 @@
 /* Prefer faster, non-thread-safe stdio functions if available.
 
-   Copyright (C) 2001-2004, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2004, 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
diff --git a/lib/utimens.c b/lib/utimens.c
index 23b91809354..4c5377eca0f 100644
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -1,6 +1,6 @@
 /* Set file access and modification times.
 
-   Copyright (C) 2003-2022 Free Software Foundation, Inc.
+   Copyright (C) 2003-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/utimens.h b/lib/utimens.h
index 2ccc06e5ed6..a7056981f32 100644
--- a/lib/utimens.h
+++ b/lib/utimens.h
@@ -1,6 +1,6 @@
 /* Set file access and modification times.
 
-   Copyright 2012-2022 Free Software Foundation, Inc.
+   Copyright 2012-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/utimensat.c b/lib/utimensat.c
index f81b0c790ef..5cff11cd0a9 100644
--- a/lib/utimensat.c
+++ b/lib/utimensat.c
@@ -1,5 +1,5 @@
 /* Set the access and modification time of a file relative to directory fd.
-   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
diff --git a/lib/verify.h b/lib/verify.h
index 5225a8e616d..ff8438c9269 100644
--- a/lib/verify.h
+++ b/lib/verify.h
@@ -1,6 +1,6 @@
 /* Compile-time assert-like macros.
 
-   Copyright (C) 2005-2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2009-2023 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/vla.h b/lib/vla.h
index ce02428f53a..55f112a060a 100644
--- a/lib/vla.h
+++ b/lib/vla.h
@@ -1,6 +1,6 @@
 /* vla.h - variable length arrays
 
-   Copyright 2014-2022 Free Software Foundation, Inc.
+   Copyright 2014-2023 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/lib/warn-on-use.h b/lib/warn-on-use.h
index 94f5b9201ed..30756034aff 100644
--- a/lib/warn-on-use.h
+++ b/lib/warn-on-use.h
@@ -1,5 +1,5 @@
 /* A C macro for emitting warnings if a function is used.
-   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 Lesser General Public License as published
diff --git a/lib/xalloc-oversized.h b/lib/xalloc-oversized.h
index aefa6fd8049..05ef7028137 100644
--- a/lib/xalloc-oversized.h
+++ b/lib/xalloc-oversized.h
@@ -1,6 +1,7 @@
 /* xalloc-oversized.h -- memory allocation size checking
 
-   Copyright (C) 1990-2000, 2003-2004, 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 1990-2000, 2003-2004, 2006-2023 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as