--- a/liboctave/vx-ops
+++ b/liboctave/vx-ops
@@ -1,3 +1,21 @@
+# Copyright (C) 2003, 2004, 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/>.
+
 # types
 ccv ComplexColumnVector V CColVector.h YES 0.0
 crv ComplexRowVector V CRowVector.h YES 0.0