@@ -1,5 +1,20 @@
+;; This file is part of Megatest.
+;; 
+;;     Megatest 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.
+;; 
+;;     Megatest 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 Megatest.  If not, see <http://www.gnu.org/licenses/>.
+
 (require-library srfi-4 iup)
 (import srfi-4 iup iup-pplot iup-glcanvas) ;; iup-web
 
 (define (popup dlg . args)
   (apply show dlg #:modal? 'yes args)