--- a/scripts/statistics/base/cov.m	Thu Jan 13 08:32:16 2000 +0000
+++ b/scripts/statistics/base/cov.m	Thu Jan 13 08:40:53 2000 +0000
@@ -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.
@@ -42,7 +42,7 @@
       y = y';
     endif
     if (rows (y) != n)
-      error ("cov: x and y must have the same number of observations."); 
+      error ("cov: x and y must have the same number of observations.");
     endif
     x = x - ones (n, 1) * sum (x) / n;
     y = y - ones (n, 1) * sum (y) / n;