--- loncom/xml/algebra/AlgParser.pm	2007/05/02 20:48:55	1.17
+++ loncom/xml/algebra/AlgParser.pm	2009/02/13 17:20:23	1.18
@@ -1,4 +1,4 @@
-
+# $Id: AlgParser.pm,v 1.18 2009/02/13 17:20:23 bisitz Exp $
 
 ## Last modification: 8/3/00 by akp
 ## Originally written by Daniel Martin, Dept of Math, John Hopkins