--- loncom/homework/lonmaxima.pm	2006/03/11 16:28:03	1.1
+++ loncom/homework/lonmaxima.pm	2006/03/15 20:44:54	1.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Interface routines to MAXIMA CAS
 #
-# $Id: lonmaxima.pm,v 1.1 2006/03/11 16:28:03 www Exp $
+# $Id: lonmaxima.pm,v 1.2 2006/03/15 20:44:54 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -59,7 +59,7 @@ sub maximareply {
 sub blacklisted {
     my ($cmd)=@_;
     foreach my $forbidden ('save','load','plot','lisp','includ','compil','file','batch','stringout','translat','stout','stin','block','system') {
-	if ($cmd=~/$forbidden/) { return 1; }
+	if ($cmd=~/$forbidden/s) { return 1; }
     } 
     return 0;
 }