--- a/scripts/statistics/base/range.m
+++ b/scripts/statistics/base/range.m
@@ -1,15 +1,15 @@
 ## Copyright (C) 1995, 1996, 1997  Kurt Hornik
-## 
+##
 ## 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.
@@ -17,18 +17,18 @@
 ## usage:  range (x)
 ##
 ## If x is a vector, return the range, i.e., the difference between the
-## maximum and the minimum, of the input data.  
+## maximum and the minimum, of the input data.
 ## If x is a matrix, do the above for each column of x.
-  
+
 ## Author:  KH <Kurt.Hornik@ci.tuwien.ac.at>
 ## Description:  Compute range
 
 function y = range (x)
-  
+
   if (nargin != 1)
     usage ("range (x)");
   endif
 
   y = max (x) - min (x);
-  
+
 endfunction