--- a/scripts/signal/rectangle_lw.m
+++ b/scripts/signal/rectangle_lw.m
@@ -1,15 +1,15 @@
 ## Copyright (C) 1995, 1996, 1997  Friedrich Leisch
-## 
+##
 ## 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. 
-## 
+## General Public License for more details.
+##
 ## You should have received a copy of the GNU General Public License
 ## along with this file.  If not, write to the Free Software Foundation,
 ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
@@ -18,15 +18,15 @@
 ##
 ## Rectangular lag window. Subfunction used for spectral density
 ## estimation.
-  
+
 ## Author:  FL <Friedrich.Leisch@ci.tuwien.ac.at>
 ## Description:  Rectangular lag window
 
 function retval = rectangle_lw (n, b)
-  
+
   retval = zeros (n, 1);
   t = floor (1 / b);
-  
+
   retval (1:t, 1) = ones (t, 1);
 
 endfunction