--- a/scripts/linear-algebra/vec.m
+++ b/scripts/linear-algebra/vec.m
@@ -1,15 +1,15 @@
 ## Copyright (C) 1995, 1996  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.
@@ -28,11 +28,11 @@
 ## Adapted-By: jwe
 
 function v = vec (x)
-  
+
   if (nargin != 1)
-    usage ("vec (x)"); 
-  endif 
-  
+    usage ("vec (x)");
+  endif
+
   v = reshape (x, prod (size (x)), 1);
 
 endfunction