New upstream version 1.2upstream/1.2

101 files changed, 149 insertions, 189 deletions

diff --git a/lib/unicase/cased.c b/lib/unicase/cased.c
index 05e51982..6014c62d 100644
--- a/lib/unicase/cased.c
+++ b/lib/unicase/cased.c
@@ -1,5 +1,5 @@
 /* Test whether a Unicode character is cased.
-   Copyright (C) 2002, 2006-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/cased.h b/lib/unicase/cased.h
index 2fe12689..dca12035 100644
--- a/lib/unicase/cased.h
+++ b/lib/unicase/cased.h
@@ -1,8 +1,8 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Casing Properties of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 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/unicase/casefold.h b/lib/unicase/casefold.h
index fb612534..647e05fc 100644
--- a/lib/unicase/casefold.h
+++ b/lib/unicase/casefold.h
@@ -1,5 +1,5 @@
 /* Casefolding of Unicode characters.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/caseprop.h b/lib/unicase/caseprop.h
index e599a3f1..ac764689 100644
--- a/lib/unicase/caseprop.h
+++ b/lib/unicase/caseprop.h
@@ -1,5 +1,5 @@
 /* Case related properties of Unicode characters.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/context.h b/lib/unicase/context.h
index 8040a069..541da561 100644
--- a/lib/unicase/context.h
+++ b/lib/unicase/context.h
@@ -1,5 +1,5 @@
 /* Case-mapping contexts of UTF-8/UTF-16/UTF-32 substring.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/empty-prefix-context.c b/lib/unicase/empty-prefix-context.c
index 233f20c3..1a99d6f2 100644
--- a/lib/unicase/empty-prefix-context.c
+++ b/lib/unicase/empty-prefix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of empty prefix string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/empty-suffix-context.c b/lib/unicase/empty-suffix-context.c
index 39ce29e6..2e5bc33c 100644
--- a/lib/unicase/empty-suffix-context.c
+++ b/lib/unicase/empty-suffix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of empty suffix string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/ignorable.c b/lib/unicase/ignorable.c
index 1ebf8013..c4d41351 100644
--- a/lib/unicase/ignorable.c
+++ b/lib/unicase/ignorable.c
@@ -1,5 +1,5 @@
 /* Test whether a Unicode character is case-ignorable.
-   Copyright (C) 2002, 2006-2007, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/ignorable.h b/lib/unicase/ignorable.h
index 5b986e19..bf41d94e 100644
--- a/lib/unicase/ignorable.h
+++ b/lib/unicase/ignorable.h
@@ -1,8 +1,8 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Casing Properties of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 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/unicase/invariant.h b/lib/unicase/invariant.h
index c8b9319b..e0ec3a33 100644
--- a/lib/unicase/invariant.h
+++ b/lib/unicase/invariant.h
@@ -1,5 +1,5 @@
 /* Internal functions for Unicode character case mappings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/locale-language.c b/lib/unicase/locale-language.c
index 5f02dabd..b7103e4a 100644
--- a/lib/unicase/locale-language.c
+++ b/lib/unicase/locale-language.c
@@ -1,5 +1,5 @@
 /* Language code of current locale.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/locale-languages.gperf b/lib/unicase/locale-languages.gperf
index ea09e36a..9db15582 100644
--- a/lib/unicase/locale-languages.gperf
+++ b/lib/unicase/locale-languages.gperf
@@ -1,5 +1,5 @@
 /* Language codes of locales.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 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/unicase/locale-languages.h b/lib/unicase/locale-languages.h
index 1deb4c4d..07dae3c5 100644
--- a/lib/unicase/locale-languages.h
+++ b/lib/unicase/locale-languages.h
@@ -1,5 +1,5 @@
 /* ANSI-C code produced by gperf version 3.2 */
-/* Command-line: gperf -m 10 ./unicase/locale-languages.gperf  */
+/* Command-line: gperf -m 10 ../../lib/unicase/locale-languages.gperf  */
 /* Computed positions: -k'1-3' */
 
 #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
@@ -1036,7 +1036,7 @@ uc_locale_languages_lookup (register const char *str, register size_t len)
     }
   return 0;
 }
-#line 295 "./unicase/locale-languages.gperf"
+#line 295 "../../lib/unicase/locale-languages.gperf"
 
 /*
  * Local Variables:
diff --git a/lib/unicase/simple-mapping.h b/lib/unicase/simple-mapping.h
index d3a80130..6102b768 100644
--- a/lib/unicase/simple-mapping.h
+++ b/lib/unicase/simple-mapping.h
@@ -1,27 +1,19 @@
 /* Simple case mapping for Unicode characters.
-   Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
-   This file is free software.
-   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
-   You can redistribute it and/or modify it under either
-     - the terms of the GNU Lesser General Public License as published
-       by the Free Software Foundation, either version 3, or (at your
-       option) any later version, or
-     - the terms of the GNU General Public License as published by the
-       Free Software Foundation; either version 2, or (at your option)
-       any later version, or
-     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+   This file 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.
 
    This file 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 and the GNU General Public License
-   for more details.
+   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 and of the GNU General Public License along with this
-   program.  If not, see <https://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 ucs4_t
 FUNC (ucs4_t uc)
diff --git a/lib/unicase/special-casing-table.gperf b/lib/unicase/special-casing-table.gperf
index 54bfb4ad..39e1f5d6 100644
--- a/lib/unicase/special-casing-table.gperf
+++ b/lib/unicase/special-casing-table.gperf
@@ -1,8 +1,8 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Special casing rules of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 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/unicase/special-casing.c b/lib/unicase/special-casing.c
index 37156f6d..856b904f 100644
--- a/lib/unicase/special-casing.c
+++ b/lib/unicase/special-casing.c
@@ -1,5 +1,5 @@
 /* Special casing table.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/special-casing.in.h b/lib/unicase/special-casing.in.h
index 2a011df3..5683a452 100644
--- a/lib/unicase/special-casing.in.h
+++ b/lib/unicase/special-casing.in.h
@@ -1,5 +1,5 @@
 /* Special casing table.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/tocasefold.c b/lib/unicase/tocasefold.c
index c73252cc..eac68a25 100644
--- a/lib/unicase/tocasefold.c
+++ b/lib/unicase/tocasefold.c
@@ -1,5 +1,5 @@
 /* Casefold mapping for Unicode characters (locale and context independent).
-   Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/tocasefold.h b/lib/unicase/tocasefold.h
index 19b49c43..a8738ec8 100644
--- a/lib/unicase/tocasefold.h
+++ b/lib/unicase/tocasefold.h
@@ -1,8 +1,8 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Simple character mapping of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 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/unicase/tolower.c b/lib/unicase/tolower.c
index b3e11720..0a62cd50 100644
--- a/lib/unicase/tolower.c
+++ b/lib/unicase/tolower.c
@@ -1,27 +1,19 @@
 /* Lowercase mapping for Unicode characters (locale and context independent).
-   Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
-   This file is free software.
-   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
-   You can redistribute it and/or modify it under either
-     - the terms of the GNU Lesser General Public License as published
-       by the Free Software Foundation, either version 3, or (at your
-       option) any later version, or
-     - the terms of the GNU General Public License as published by the
-       Free Software Foundation; either version 2, or (at your option)
-       any later version, or
-     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+   This file 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.
 
    This file 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 and the GNU General Public License
-   for more details.
+   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 and of the GNU General Public License along with this
-   program.  If not, see <https://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unicase/tolower.h b/lib/unicase/tolower.h
index 607128c2..9c125f50 100644
--- a/lib/unicase/tolower.h
+++ b/lib/unicase/tolower.h
@@ -1,29 +1,21 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Simple character mapping of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
-   This file is free software.
-   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
-   You can redistribute it and/or modify it under either
-     - the terms of the GNU Lesser General Public License as published
-       by the Free Software Foundation, either version 3, or (at your
-       option) any later version, or
-     - the terms of the GNU General Public License as published by the
-       Free Software Foundation; either version 2, or (at your option)
-       any later version, or
-     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+   This file 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.
 
    This file 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 and the GNU General Public License
-   for more details.
+   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 and of the GNU General Public License along with this
-   program.  If not, see <https://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #define mapping_header_0 16
 #define mapping_header_1 2
diff --git a/lib/unicase/totitle.c b/lib/unicase/totitle.c
index 49bf28f4..db6b2847 100644
--- a/lib/unicase/totitle.c
+++ b/lib/unicase/totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for Unicode characters (locale and context independent).
-   Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/totitle.h b/lib/unicase/totitle.h
index 8561de0d..9a3a3ea9 100644
--- a/lib/unicase/totitle.h
+++ b/lib/unicase/totitle.h
@@ -1,8 +1,8 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Simple character mapping of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 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/unicase/toupper.c b/lib/unicase/toupper.c
index 6ad2d77a..c7f86157 100644
--- a/lib/unicase/toupper.c
+++ b/lib/unicase/toupper.c
@@ -1,27 +1,19 @@
 /* Uppercase mapping for Unicode characters (locale and context independent).
-   Copyright (C) 2002, 2006, 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
-   This file is free software.
-   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
-   You can redistribute it and/or modify it under either
-     - the terms of the GNU Lesser General Public License as published
-       by the Free Software Foundation, either version 3, or (at your
-       option) any later version, or
-     - the terms of the GNU General Public License as published by the
-       Free Software Foundation; either version 2, or (at your option)
-       any later version, or
-     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+   This file 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.
 
    This file 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 and the GNU General Public License
-   for more details.
+   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 and of the GNU General Public License along with this
-   program.  If not, see <https://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unicase/toupper.h b/lib/unicase/toupper.h
index bcca4043..4df2f32c 100644
--- a/lib/unicase/toupper.h
+++ b/lib/unicase/toupper.h
@@ -1,29 +1,21 @@
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Simple character mapping of Unicode characters.  */
-/* Generated automatically by gen-uni-tables.c for Unicode 15.0.0.  */
+/* Generated automatically by gen-uni-tables.c for Unicode 15.1.0.  */
 
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
-   This file is free software.
-   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
-   You can redistribute it and/or modify it under either
-     - the terms of the GNU Lesser General Public License as published
-       by the Free Software Foundation, either version 3, or (at your
-       option) any later version, or
-     - the terms of the GNU General Public License as published by the
-       Free Software Foundation; either version 2, or (at your option)
-       any later version, or
-     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
+   This file 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.
 
    This file 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 and the GNU General Public License
-   for more details.
+   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 and of the GNU General Public License along with this
-   program.  If not, see <https://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #define mapping_header_0 16
 #define mapping_header_1 2
diff --git a/lib/unicase/u-casecmp.h b/lib/unicase/u-casecmp.h
index cbc55d6a..f960b6b9 100644
--- a/lib/unicase/u-casecmp.h
+++ b/lib/unicase/u-casecmp.h
@@ -1,5 +1,5 @@
 /* Case and normalization insensitive comparison of Unicode strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-casecoll.h b/lib/unicase/u-casecoll.h
index 46a13b3c..f65d958d 100644
--- a/lib/unicase/u-casecoll.h
+++ b/lib/unicase/u-casecoll.h
@@ -1,6 +1,6 @@
 /* Locale dependent, case and normalization insensitive comparison of Unicode
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-casefold.h b/lib/unicase/u-casefold.h
index 8123a02a..173a6d4c 100644
--- a/lib/unicase/u-casefold.h
+++ b/lib/unicase/u-casefold.h
@@ -1,5 +1,5 @@
 /* Casefolding mapping for Unicode strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-casemap.h b/lib/unicase/u-casemap.h
index 973866a8..20690dfa 100644
--- a/lib/unicase/u-casemap.h
+++ b/lib/unicase/u-casemap.h
@@ -1,5 +1,5 @@
 /* Case mapping for UTF-8/UTF-16/UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-casexfrm.h b/lib/unicase/u-casexfrm.h
index 5d905b44..2c382973 100644
--- a/lib/unicase/u-casexfrm.h
+++ b/lib/unicase/u-casexfrm.h
@@ -1,6 +1,6 @@
 /* Locale dependent transformation for case insensitive comparison of Unicode
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-ct-casefold.h b/lib/unicase/u-ct-casefold.h
index 5eba00e5..2ee011fb 100644
--- a/lib/unicase/u-ct-casefold.h
+++ b/lib/unicase/u-ct-casefold.h
@@ -1,5 +1,5 @@
 /* Casefolding mapping for Unicode substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-ct-totitle.h b/lib/unicase/u-ct-totitle.h
index 36742b1d..b670f518 100644
--- a/lib/unicase/u-ct-totitle.h
+++ b/lib/unicase/u-ct-totitle.h
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-8/UTF-16/UTF-32 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-is-cased.h b/lib/unicase/u-is-cased.h
index 0448685a..a86d9b8f 100644
--- a/lib/unicase/u-is-cased.h
+++ b/lib/unicase/u-is-cased.h
@@ -1,5 +1,5 @@
 /* Test whether case matters for a Unicode string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-is-invariant.h b/lib/unicase/u-is-invariant.h
index 3f378710..2301b7f6 100644
--- a/lib/unicase/u-is-invariant.h
+++ b/lib/unicase/u-is-invariant.h
@@ -1,5 +1,5 @@
 /* Test whether a Unicode string is invariant under a given case mapping.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-prefix-context.h b/lib/unicase/u-prefix-context.h
index 7ec634e5..b69fd5a0 100644
--- a/lib/unicase/u-prefix-context.h
+++ b/lib/unicase/u-prefix-context.h
@@ -1,5 +1,5 @@
 /* Case-mapping context of prefix UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-suffix-context.h b/lib/unicase/u-suffix-context.h
index f218e1ad..173d32d0 100644
--- a/lib/unicase/u-suffix-context.h
+++ b/lib/unicase/u-suffix-context.h
@@ -1,5 +1,5 @@
 /* Case-mapping context of suffix UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u-totitle.h b/lib/unicase/u-totitle.h
index 78bc7695..effa1a16 100644
--- a/lib/unicase/u-totitle.h
+++ b/lib/unicase/u-totitle.h
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-8/UTF-16/UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-casecmp.c b/lib/unicase/u16-casecmp.c
index b914c29e..6f6a8a38 100644
--- a/lib/unicase/u16-casecmp.c
+++ b/lib/unicase/u16-casecmp.c
@@ -1,5 +1,5 @@
 /* Case and normalization insensitive comparison of UTF-16 strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-casecoll.c b/lib/unicase/u16-casecoll.c
index f46426ee..085eebbb 100644
--- a/lib/unicase/u16-casecoll.c
+++ b/lib/unicase/u16-casecoll.c
@@ -1,6 +1,6 @@
 /* Locale dependent, case and normalization insensitive comparison of UTF-16
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-casefold.c b/lib/unicase/u16-casefold.c
index 62c934a0..e5eca52e 100644
--- a/lib/unicase/u16-casefold.c
+++ b/lib/unicase/u16-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-16 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-casemap.c b/lib/unicase/u16-casemap.c
index ecbaa82c..a01944e5 100644
--- a/lib/unicase/u16-casemap.c
+++ b/lib/unicase/u16-casemap.c
@@ -1,5 +1,5 @@
 /* Case mapping for UTF-16 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-casexfrm.c b/lib/unicase/u16-casexfrm.c
index cd9a470d..530d988c 100644
--- a/lib/unicase/u16-casexfrm.c
+++ b/lib/unicase/u16-casexfrm.c
@@ -1,6 +1,6 @@
 /* Locale dependent transformation for case insensitive comparison of UTF-16
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-ct-casefold.c b/lib/unicase/u16-ct-casefold.c
index 9b66d8f2..f043a1ed 100644
--- a/lib/unicase/u16-ct-casefold.c
+++ b/lib/unicase/u16-ct-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-16 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-ct-tolower.c b/lib/unicase/u16-ct-tolower.c
index 5d62502f..5e301ddf 100644
--- a/lib/unicase/u16-ct-tolower.c
+++ b/lib/unicase/u16-ct-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-16 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-ct-totitle.c b/lib/unicase/u16-ct-totitle.c
index ce52c704..b594d6e3 100644
--- a/lib/unicase/u16-ct-totitle.c
+++ b/lib/unicase/u16-ct-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-16 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-ct-toupper.c b/lib/unicase/u16-ct-toupper.c
index 260c9793..3599a29d 100644
--- a/lib/unicase/u16-ct-toupper.c
+++ b/lib/unicase/u16-ct-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-16 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-cased.c b/lib/unicase/u16-is-cased.c
index 7ba2efad..9288050e 100644
--- a/lib/unicase/u16-is-cased.c
+++ b/lib/unicase/u16-is-cased.c
@@ -1,5 +1,5 @@
 /* Test whether case matters for an UTF-16 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-casefolded.c b/lib/unicase/u16-is-casefolded.c
index 84cf6a57..2bf47724 100644
--- a/lib/unicase/u16-is-casefolded.c
+++ b/lib/unicase/u16-is-casefolded.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-16 string is already case-folded.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-invariant.c b/lib/unicase/u16-is-invariant.c
index a4656576..676a2ed6 100644
--- a/lib/unicase/u16-is-invariant.c
+++ b/lib/unicase/u16-is-invariant.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-16 string is invariant under a given case mapping.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-lowercase.c b/lib/unicase/u16-is-lowercase.c
index 46cb2769..058c0501 100644
--- a/lib/unicase/u16-is-lowercase.c
+++ b/lib/unicase/u16-is-lowercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-16 string is entirely lower case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-titlecase.c b/lib/unicase/u16-is-titlecase.c
index 31188aaa..5110b7e8 100644
--- a/lib/unicase/u16-is-titlecase.c
+++ b/lib/unicase/u16-is-titlecase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-16 string is entirely title case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-is-uppercase.c b/lib/unicase/u16-is-uppercase.c
index c5ffe138..60a722f6 100644
--- a/lib/unicase/u16-is-uppercase.c
+++ b/lib/unicase/u16-is-uppercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-16 string is entirely upper case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-prefix-context.c b/lib/unicase/u16-prefix-context.c
index 1297f5e9..e668af9b 100644
--- a/lib/unicase/u16-prefix-context.c
+++ b/lib/unicase/u16-prefix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of prefix UTF-16 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-suffix-context.c b/lib/unicase/u16-suffix-context.c
index 3b30bc7d..e0845b7b 100644
--- a/lib/unicase/u16-suffix-context.c
+++ b/lib/unicase/u16-suffix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of suffix UTF-16 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-tolower.c b/lib/unicase/u16-tolower.c
index 9e10c1fe..b440edde 100644
--- a/lib/unicase/u16-tolower.c
+++ b/lib/unicase/u16-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-16 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-totitle.c b/lib/unicase/u16-totitle.c
index 29b2cc97..49e9fe0e 100644
--- a/lib/unicase/u16-totitle.c
+++ b/lib/unicase/u16-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-16 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u16-toupper.c b/lib/unicase/u16-toupper.c
index 2023ffbc..14fc1962 100644
--- a/lib/unicase/u16-toupper.c
+++ b/lib/unicase/u16-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-16 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-casecmp.c b/lib/unicase/u32-casecmp.c
index fc29b1e7..fa2497d2 100644
--- a/lib/unicase/u32-casecmp.c
+++ b/lib/unicase/u32-casecmp.c
@@ -1,5 +1,5 @@
 /* Case and normalization insensitive comparison of UTF-32 strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-casecoll.c b/lib/unicase/u32-casecoll.c
index 7a28a6b9..f328d4bd 100644
--- a/lib/unicase/u32-casecoll.c
+++ b/lib/unicase/u32-casecoll.c
@@ -1,6 +1,6 @@
 /* Locale dependent, case and normalization insensitive comparison of UTF-32
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-casefold.c b/lib/unicase/u32-casefold.c
index b17f27cb..c4ae6f49 100644
--- a/lib/unicase/u32-casefold.c
+++ b/lib/unicase/u32-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-casemap.c b/lib/unicase/u32-casemap.c
index 280bac9b..51704d3e 100644
--- a/lib/unicase/u32-casemap.c
+++ b/lib/unicase/u32-casemap.c
@@ -1,5 +1,5 @@
 /* Case mapping for UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-casexfrm.c b/lib/unicase/u32-casexfrm.c
index 04596b7c..da0374c8 100644
--- a/lib/unicase/u32-casexfrm.c
+++ b/lib/unicase/u32-casexfrm.c
@@ -1,6 +1,6 @@
 /* Locale dependent transformation for case insensitive comparison of UTF-32
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-ct-casefold.c b/lib/unicase/u32-ct-casefold.c
index 0e7c4443..790e20a2 100644
--- a/lib/unicase/u32-ct-casefold.c
+++ b/lib/unicase/u32-ct-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-32 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-ct-tolower.c b/lib/unicase/u32-ct-tolower.c
index 2d137983..0892b62a 100644
--- a/lib/unicase/u32-ct-tolower.c
+++ b/lib/unicase/u32-ct-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-32 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-ct-totitle.c b/lib/unicase/u32-ct-totitle.c
index 9786d352..e6c8d4e3 100644
--- a/lib/unicase/u32-ct-totitle.c
+++ b/lib/unicase/u32-ct-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-32 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-ct-toupper.c b/lib/unicase/u32-ct-toupper.c
index e753bba8..b39940da 100644
--- a/lib/unicase/u32-ct-toupper.c
+++ b/lib/unicase/u32-ct-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-32 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-cased.c b/lib/unicase/u32-is-cased.c
index b10cc04b..02fc45c1 100644
--- a/lib/unicase/u32-is-cased.c
+++ b/lib/unicase/u32-is-cased.c
@@ -1,5 +1,5 @@
 /* Test whether case matters for an UTF-32 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-casefolded.c b/lib/unicase/u32-is-casefolded.c
index 9f22ed5f..ea6d8226 100644
--- a/lib/unicase/u32-is-casefolded.c
+++ b/lib/unicase/u32-is-casefolded.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-32 string is already case-folded.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-invariant.c b/lib/unicase/u32-is-invariant.c
index f46b2d0e..e30c1aaf 100644
--- a/lib/unicase/u32-is-invariant.c
+++ b/lib/unicase/u32-is-invariant.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-32 string is invariant under a given case mapping.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-lowercase.c b/lib/unicase/u32-is-lowercase.c
index e0fc137f..f02a93a2 100644
--- a/lib/unicase/u32-is-lowercase.c
+++ b/lib/unicase/u32-is-lowercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-32 string is entirely lower case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-titlecase.c b/lib/unicase/u32-is-titlecase.c
index 08f8be8b..a3ecd6ab 100644
--- a/lib/unicase/u32-is-titlecase.c
+++ b/lib/unicase/u32-is-titlecase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-32 string is entirely title case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-is-uppercase.c b/lib/unicase/u32-is-uppercase.c
index 05d180b8..6b3f9000 100644
--- a/lib/unicase/u32-is-uppercase.c
+++ b/lib/unicase/u32-is-uppercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-32 string is entirely upper case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-prefix-context.c b/lib/unicase/u32-prefix-context.c
index a636e0a1..d2f25f21 100644
--- a/lib/unicase/u32-prefix-context.c
+++ b/lib/unicase/u32-prefix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of prefix UTF-32 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-suffix-context.c b/lib/unicase/u32-suffix-context.c
index 73095e92..aed6a74a 100644
--- a/lib/unicase/u32-suffix-context.c
+++ b/lib/unicase/u32-suffix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of suffix UTF-32 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-tolower.c b/lib/unicase/u32-tolower.c
index 1f557bf6..85c1f9e4 100644
--- a/lib/unicase/u32-tolower.c
+++ b/lib/unicase/u32-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-totitle.c b/lib/unicase/u32-totitle.c
index 29ebb512..ba3c0343 100644
--- a/lib/unicase/u32-totitle.c
+++ b/lib/unicase/u32-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u32-toupper.c b/lib/unicase/u32-toupper.c
index fcb70dcb..abf900db 100644
--- a/lib/unicase/u32-toupper.c
+++ b/lib/unicase/u32-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-casecmp.c b/lib/unicase/u8-casecmp.c
index ee7b590c..86e165b0 100644
--- a/lib/unicase/u8-casecmp.c
+++ b/lib/unicase/u8-casecmp.c
@@ -1,5 +1,5 @@
 /* Case and normalization insensitive comparison of UTF-8 strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-casecoll.c b/lib/unicase/u8-casecoll.c
index e7ae83b0..56847c63 100644
--- a/lib/unicase/u8-casecoll.c
+++ b/lib/unicase/u8-casecoll.c
@@ -1,6 +1,6 @@
 /* Locale dependent, case and normalization insensitive comparison of UTF-8
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-casefold.c b/lib/unicase/u8-casefold.c
index b81bba4d..918f6163 100644
--- a/lib/unicase/u8-casefold.c
+++ b/lib/unicase/u8-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-8 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-casemap.c b/lib/unicase/u8-casemap.c
index 1dbac0bf..b94f5096 100644
--- a/lib/unicase/u8-casemap.c
+++ b/lib/unicase/u8-casemap.c
@@ -1,5 +1,5 @@
 /* Case mapping for UTF-8 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-casexfrm.c b/lib/unicase/u8-casexfrm.c
index 67f6f4ad..259b9114 100644
--- a/lib/unicase/u8-casexfrm.c
+++ b/lib/unicase/u8-casexfrm.c
@@ -1,6 +1,6 @@
 /* Locale dependent transformation for case insensitive comparison of UTF-8
    strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-ct-casefold.c b/lib/unicase/u8-ct-casefold.c
index f0491c27..ca3fe93e 100644
--- a/lib/unicase/u8-ct-casefold.c
+++ b/lib/unicase/u8-ct-casefold.c
@@ -1,5 +1,5 @@
 /* Casefolding mapping for UTF-8 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-ct-tolower.c b/lib/unicase/u8-ct-tolower.c
index 4e28c29e..b7500d25 100644
--- a/lib/unicase/u8-ct-tolower.c
+++ b/lib/unicase/u8-ct-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-8 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-ct-totitle.c b/lib/unicase/u8-ct-totitle.c
index 787d5ab8..d321bacf 100644
--- a/lib/unicase/u8-ct-totitle.c
+++ b/lib/unicase/u8-ct-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-8 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-ct-toupper.c b/lib/unicase/u8-ct-toupper.c
index 6f39cee9..9e18bf42 100644
--- a/lib/unicase/u8-ct-toupper.c
+++ b/lib/unicase/u8-ct-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-8 substrings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-cased.c b/lib/unicase/u8-is-cased.c
index 5e56aafb..5a3012a8 100644
--- a/lib/unicase/u8-is-cased.c
+++ b/lib/unicase/u8-is-cased.c
@@ -1,5 +1,5 @@
 /* Test whether case matters for an UTF-8 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-casefolded.c b/lib/unicase/u8-is-casefolded.c
index 75dfa7b3..acdd1225 100644
--- a/lib/unicase/u8-is-casefolded.c
+++ b/lib/unicase/u8-is-casefolded.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-8 string is already case-folded.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-invariant.c b/lib/unicase/u8-is-invariant.c
index 57c72a59..d30164bd 100644
--- a/lib/unicase/u8-is-invariant.c
+++ b/lib/unicase/u8-is-invariant.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-8 string is invariant under a given case mapping.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-lowercase.c b/lib/unicase/u8-is-lowercase.c
index 3ddb074b..2e813ce1 100644
--- a/lib/unicase/u8-is-lowercase.c
+++ b/lib/unicase/u8-is-lowercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-8 string is entirely lower case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-titlecase.c b/lib/unicase/u8-is-titlecase.c
index 946c390e..6e88557b 100644
--- a/lib/unicase/u8-is-titlecase.c
+++ b/lib/unicase/u8-is-titlecase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-8 string is entirely title case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-is-uppercase.c b/lib/unicase/u8-is-uppercase.c
index 25adbb19..28eaaeff 100644
--- a/lib/unicase/u8-is-uppercase.c
+++ b/lib/unicase/u8-is-uppercase.c
@@ -1,5 +1,5 @@
 /* Test whether an UTF-8 string is entirely upper case.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-prefix-context.c b/lib/unicase/u8-prefix-context.c
index 2e479b1e..997214b3 100644
--- a/lib/unicase/u8-prefix-context.c
+++ b/lib/unicase/u8-prefix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of prefix UTF-8 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-suffix-context.c b/lib/unicase/u8-suffix-context.c
index b897e5e7..66acf564 100644
--- a/lib/unicase/u8-suffix-context.c
+++ b/lib/unicase/u8-suffix-context.c
@@ -1,5 +1,5 @@
 /* Case-mapping context of suffix UTF-8 string.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-tolower.c b/lib/unicase/u8-tolower.c
index 63459fcf..2ec21ade 100644
--- a/lib/unicase/u8-tolower.c
+++ b/lib/unicase/u8-tolower.c
@@ -1,5 +1,5 @@
 /* Lowercase mapping for UTF-8 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-totitle.c b/lib/unicase/u8-totitle.c
index 856d5159..31862b13 100644
--- a/lib/unicase/u8-totitle.c
+++ b/lib/unicase/u8-totitle.c
@@ -1,5 +1,5 @@
 /* Titlecase mapping for UTF-8 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/u8-toupper.c b/lib/unicase/u8-toupper.c
index 1d7e22c3..064d735f 100644
--- a/lib/unicase/u8-toupper.c
+++ b/lib/unicase/u8-toupper.c
@@ -1,5 +1,5 @@
 /* Uppercase mapping for UTF-8 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/ulc-casecmp.c b/lib/unicase/ulc-casecmp.c
index fda5558e..e10bea8f 100644
--- a/lib/unicase/ulc-casecmp.c
+++ b/lib/unicase/ulc-casecmp.c
@@ -1,5 +1,5 @@
 /* Case and normalization insensitive comparison of strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/ulc-casecoll.c b/lib/unicase/ulc-casecoll.c
index 0ef8bf5a..ea4bdf16 100644
--- a/lib/unicase/ulc-casecoll.c
+++ b/lib/unicase/ulc-casecoll.c
@@ -1,5 +1,5 @@
 /* Locale dependent, case and normalization insensitive comparison of strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/ulc-casexfrm.c b/lib/unicase/ulc-casexfrm.c
index e83dae57..ce523c9d 100644
--- a/lib/unicase/ulc-casexfrm.c
+++ b/lib/unicase/ulc-casexfrm.c
@@ -1,5 +1,5 @@
 /* Locale dependent transformation for case insensitive comparison of strings.
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.
diff --git a/lib/unicase/unicasemap.h b/lib/unicase/unicasemap.h
index a03088e1..783b3930 100644
--- a/lib/unicase/unicasemap.h
+++ b/lib/unicase/unicasemap.h
@@ -1,5 +1,5 @@
 /* Case mapping for UTF-8/UTF-16/UTF-32 strings (locale dependent).
-   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This file is free software.