--- a/frontends/src/jp/common.py	Wed Feb 05 14:35:26 2014 +0100
+++ b/frontends/src/jp/common.py	Wed Feb 05 14:52:38 2014 +0100
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 
 class MissingPlugin(Exception):