-dnl This macro is intended to be used solely in this file.
-dnl These are the prerequisite macros for GNU's strftime.c replacement.
-AC_DEFUN([_gl_STRFTIME_PREREQS],
+# Copyright (C) 1996-1997, 1999-2007, 2009-2011 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Written by Jim Meyering and Paul Eggert.
+
+AC_DEFUN([gl_FUNC_GNU_STRFTIME],