* m4/gettext.m4: Bump gettext version number in comment.
* m4/intl.m4: Likewise.
* m4/intldir.m4: Likewise.
* m4/intlmacosx.m4: Likewise.
-# gettext.m4 serial 69 (gettext-0.19.9)
+# gettext.m4 serial 69 (gettext-0.20)
dnl Copyright (C) 1995-2014, 2016, 2018-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
-# intl.m4 serial 34 (gettext-0.19.9)
+# intl.m4 serial 34 (gettext-0.20)
dnl Copyright (C) 1995-2014, 2016-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
-# intldir.m4 serial 3 (gettext-0.19.9)
+# intldir.m4 serial 3 (gettext-0.20)
dnl Copyright (C) 2006, 2009-2014, 2016-2017, 2019 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
-# intlmacosx.m4 serial 6 (gettext-0.19.9)
+# intlmacosx.m4 serial 6 (gettext-0.20)
dnl Copyright (C) 2004-2014, 2016, 2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,