--- a/scripts/control/sys2ss.m
+++ b/scripts/control/sys2ss.m
@@ -1,20 +1,20 @@
-# Copyright (C) 1996, 1998 Auburn University.  All Rights Reserved.
-#
-# 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 2, 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, write to the Free 
-# Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. 
+## Copyright (C) 1996, 1998 Auburn University.  All Rights Reserved.
+##
+## 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 2, 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, write to the Free 
+## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. 
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File } {[@var{a},@var{b},@var{c},@var{d},@var{tsam},@var{n},@var{nz},@var{stname},@var{inname},@var{outname},@var{yd}] =} sys2ss (@var{sys})
@@ -64,8 +64,8 @@
  
 function [a,b,c,d,tsam,n,nz,stname,inname,outname,yd] = sys2ss(sys)
 
-  # Written by David Clem August 19, 1994
-  # Updates by John Ingram July 14, 1996
+  ## Written by David Clem August 19, 1994
+  ## Updates by John Ingram July 14, 1996
 
   if(nargin != 1)
     usage("[a,b,c,d,tsam,n,nz,stname,inname,outname,yd] = sys2ss(sys)")