--- rat/lonwrapper.pm	2008/12/19 14:30:51	1.32
+++ rat/lonwrapper.pm	2010/02/11 15:12:11	1.32.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources
 #
-# $Id: lonwrapper.pm,v 1.32 2008/12/19 14:30:51 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.32.2.2 2010/02/11 15:12:11 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -145,8 +145,11 @@ sub handler {
 #
 	if ($is_ext) {
 	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
+            $ENV{'QUERY_STRING'} =~ s/\&$//;
 	}
-	$url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
+        unless ($ENV{'QUERY_STRING'} eq '') {
+            $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
+        }
 	# reappend the query arguments
 	$r->print(&wrapper($orgurl,$url));
     } # not just the menu