--- a/scripts/statistics/base/values.m
+++ b/scripts/statistics/base/values.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.
@@ -18,22 +18,22 @@
 ##
 ## Return the different values in a column vector, arranged in ascending
 ## order.
-  
+
 ## Author:  KH <Kurt.Hornik@ci.tuwien.ac.at>
 ## Description:  Extract unique elements
 
 function v = values (x)
-  
+
   if (nargin != 1)
     usage ("values (x)");
   endif
-  
+
   if !(is_vector (x))
     error ("values:  x must be a vector");
   endif
 
   i = any (isnan (x));
-  x = x(find(!isnan (x)));	# HACK!
+  x = x(find(!isnan (x)));      # HACK!
   n = length (x);
   x = reshape (x, n, 1);
   s = sort (x);