--- a/src/genprops.awk
+++ b/src/genprops.awk
@@ -1,3 +1,21 @@
+## Copyright (C) 2007 John W. Eaton
+##
+## This file is part of Octave.
+## 
+## Octave 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 3 of the License, or (at
+## your option) any later version.
+## 
+## Octave 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 Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+##
 ## This script is used to generate the graphics.h file from graphics.h.in.
 ##
 ## Lines between the BEGIN_PROPERTIES and END_PROPERTIES markers have