--- a/scripts/elfun/lcm.m
+++ b/scripts/elfun/lcm.m
@@ -1,11 +1,30 @@
+# Copyright (C) 1995 John W. Eaton
+# 
+# This file is part of Octave.
+# 
+# Octave 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.
+# 
+# Octave 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.
+# 
+# You should have received a copy of the GNU General Public License
+# along with Octave; see the file COPYING.  If not, write to the Free
+# Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
 function l = lcm (a, ...)
 
+# usage: lcm (a, ...)
+#
 # lcm (a) returns the least common multiple of the entries of the
 # integer vector a.
 # lcm (a1, ..., ak) is the same as lcm([a1, ..., ak]).
   
-# Written by KH (Kurt.Hornik@ci.tuwien.ac.at) on Sep 16, 1994
-# Copyright Dept of Statistics and Probability Theory TU Wien
+# Written by KH (Kurt.Hornik@ci.tuwien.ac.at) on Sep 16, 1994.
 
   if (nargin > 1)
     va_start;
@@ -24,7 +43,7 @@
     a = abs (a);
     l = a (1);
     for k = 1:(length (a) - 1)
-      l = l * a(k+1) / gcd(l, a(k+1));
+      l = l * a(k+1) / gcd (l, a(k+1));
     endfor
   endif