gettext: Sync with gettext 0.23

[Bruno Haible]

This patch syncs the 'gettext' module with gettext 0.23.
The 'gettext-h' module is not changed.


2024-12-02  Bruno Haible  <bruno@clisp.org>

        gettext: Sync with gettext 0.23.
        * m4/gettext.m4: Update from current gettext git.
        * m4/po.m4: Likewise.

diff --git a/m4/gettext.m4 b/m4/gettext.m4
index 0675885e05..c7200b1335 100644
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -1,5 +1,5 @@
 # gettext.m4
-# serial 80 (gettext-0.23)
+# serial 81 (gettext-0.23)
 dnl Copyright (C) 1995-2014, 2016, 2018-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,7 +17,7 @@
 
 dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
-dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2006, 2008-2010.
+dnl   Bruno Haible <bruno@clisp.org>, 2000-2024.
 
 dnl Macro to add for using GNU gettext.
 
diff --git a/m4/po.m4 b/m4/po.m4
index 9fc020bcdf..51475171e0 100644
--- a/m4/po.m4
+++ b/m4/po.m4
@@ -1,5 +1,5 @@
 # po.m4
-# serial 32 (gettext-0.21.1)
+# serial 33 (gettext-0.23)
 dnl Copyright (C) 1995-2014, 2016, 2018-2022, 2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
@@ -18,7 +18,7 @@
 
 dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
-dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
+dnl   Bruno Haible <bruno@clisp.org>, 2000-2024.
 
 AC_PREREQ([2.60])
 
@@ -33,7 +33,7 @@ AC_DEFUN([AM_PO_SUBDIRS]
 
   dnl Release version of the gettext macros. This is used to ensure that
   dnl the gettext macros and po/Makefile.in.in are in sync.
-  AC_SUBST([GETTEXT_MACRO_VERSION], [0.20])
+  AC_SUBST([GETTEXT_MACRO_VERSION], [0.22])
 
   dnl Perform the following tests also if --disable-nls has been given,
   dnl because they are needed for "make dist" to work.