--- a/lib/diacrit.h
+++ b/lib/diacrit.h
@@ -3,6 +3,21 @@
    François Pinard <pinard@iro.umontreal.ca>, 1988.
 
    All this file is a temporary hack, waiting for locales in GNU.
+
+   This program is free software; you can redistribute it and/or modify
+   it under 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.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.
+   If not, write to the Free Software Foundation,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 */
 
 extern const char diacrit_base[]; /* characters without diacritics */