fix comments regarding the gettext library

[Bruno Haible]

2020-04-04  Bruno Haible  <address@hidden>

        Fix comments: The gettext library is under LGPL 2.1, not LGPL 2.0.
        * m4/gettext.m4: Fix comments regarding the gettext library.
        * m4/intl-thread-locale.m4: Likewise.
        * m4/intlmacosx.m4: Likewise.
        * m4/lcmessage.m4: Likewise.
        * m4/nls.m4: Likewise.
        * m4/po.m4: Likewise.
        * m4/progtest.m4: Likewise.

diff --git a/m4/gettext.m4 b/m4/gettext.m4
index c641a9b..4f25a27 100644
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -1,15 +1,15 @@
-# gettext.m4 serial 70 (gettext-0.20)
-dnl Copyright (C) 1995-2014, 2016, 2018, 2020 Free Software Foundation, Inc.
+# gettext.m4 serial 71 (gettext-0.20.2)
+dnl Copyright (C) 1995-2014, 2016, 2018-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/intl-thread-locale.m4 b/m4/intl-thread-locale.m4
index b4bc839..3cdee24 100644
--- a/m4/intl-thread-locale.m4
+++ b/m4/intl-thread-locale.m4
@@ -1,15 +1,15 @@
-# intl-thread-locale.m4 serial 7
+# intl-thread-locale.m4 serial 8
 dnl Copyright (C) 2015-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/intlmacosx.m4 b/m4/intlmacosx.m4
index 1c28ce2..ebd9937 100644
--- a/m4/intlmacosx.m4
+++ b/m4/intlmacosx.m4
@@ -1,15 +1,15 @@
-# intlmacosx.m4 serial 7 (gettext-0.20.2)
+# intlmacosx.m4 serial 8 (gettext-0.20.2)
 dnl Copyright (C) 2004-2014, 2016, 2019-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/lcmessage.m4 b/m4/lcmessage.m4
index 9d4de1a..f67c3d7 100644
--- a/m4/lcmessage.m4
+++ b/m4/lcmessage.m4
@@ -1,4 +1,4 @@
-# lcmessage.m4 serial 7 (gettext-0.18.2)
+# lcmessage.m4 serial 8
 dnl Copyright (C) 1995-2002, 2004-2005, 2008-2014, 2016, 2019-2020 Free
 dnl Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -6,11 +6,11 @@ dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/nls.m4 b/m4/nls.m4
index 43d18fd..5a506fc 100644
--- a/m4/nls.m4
+++ b/m4/nls.m4
@@ -1,4 +1,4 @@
-# nls.m4 serial 5 (gettext-0.18)
+# nls.m4 serial 6 (gettext-0.20.2)
 dnl Copyright (C) 1995-2003, 2005-2006, 2008-2014, 2016, 2019-2020 Free
 dnl Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -6,11 +6,11 @@ dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/po.m4 b/m4/po.m4
index 8fe7169..3778fd7 100644
--- a/m4/po.m4
+++ b/m4/po.m4
@@ -1,15 +1,15 @@
-# po.m4 serial 30 (gettext-0.20)
+# po.m4 serial 31 (gettext-0.20.2)
 dnl Copyright (C) 1995-2014, 2016, 2018-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
diff --git a/m4/progtest.m4 b/m4/progtest.m4
index 1ab9a2f..f28010a 100644
--- a/m4/progtest.m4
+++ b/m4/progtest.m4
@@ -1,15 +1,15 @@
-# progtest.m4 serial 7 (gettext-0.18.2)
+# progtest.m4 serial 8 (gettext-0.20.2)
 dnl Copyright (C) 1996-2003, 2005, 2008-2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
+dnl the GNU General Public License or the GNU Lesser General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
+dnl by the GNU Lesser General Public License, and the rest of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.