--- a/main/optim/inst/cdiff.m	Fri Mar 30 15:02:12 2012 +0000
+++ b/main/optim/inst/cdiff.m	Fri Mar 30 15:14:48 2012 +0000
@@ -1,14 +1,17 @@
-## Copyright (C) 2002 Etienne Grossmann.  All rights reserved.
+## Copyright (C) 2002 Etienne Grossmann <etienne@isr.ist.utl.pt>
+##
+## This program 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.
 ##
-## This program 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 2, 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 General Public License for more
+## details.
 ##
-## This 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
+## this program; if not, see <http://www.gnu.org/licenses/>.
 
 ## c = cdiff (func,wrt,N,dfunc,stack,dx) - Code for num. differentiation
 ##   = "function df = dfunc (var1,..,dvar,..,varN) .. endfunction
@@ -42,7 +45,7 @@
 ##                                                  Default:10*sqrt(eps)
 ##
 ## See also : ndiff, eval, todisk
-##
+
 function c = cdiff (func,wrt,nargs,dfunc,stack,dx)
 
 if nargin<2,