--- a/doc/refcard/refcard-a4.tex	Fri Oct 12 21:27:37 2007 +0000
+++ b/doc/refcard/refcard-a4.tex	Sat Oct 13 00:52:13 2007 +0000
@@ -1,6 +1,24 @@
 % refcard-a4.tex
 %
 % Make a reference card that will fit on A4 paper.
+%
+% Copyright (C) 1996 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/>.
 
 \def\refcardsize{a4}
 \input refcard.tex