--- a/scripts/statistics/distributions/laplace_inv.m
+++ b/scripts/statistics/distributions/laplace_inv.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.
@@ -37,18 +37,18 @@
   if any (k)
     inv(k) = NaN * ones (1, length (k));
   endif
-  
+
   k = find (x == 1);
   if any (k)
     inv(k) = Inf * ones (1, length (k));
   endif
-  
+
   k = find ((x > 0) & (x < 1));
   if any (k)
     inv(k) = (x(k) < 1/2) .* log (2 * x(k)) ...
-	- (x(k) > 1/2) .* log (2 * (1 - x(k)));
+        - (x(k) > 1/2) .* log (2 * (1 - x(k)));
   endif
 
   inv = reshape (inv, r, c);
-  
+
 endfunction
\ No newline at end of file