--- rat/lonuserstate.pm	2021/08/10 15:28:14	1.166
+++ rat/lonuserstate.pm	2021/08/21 03:42:02	1.167
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Construct and maintain state and binary representation of course for user
 #
-# $Id: lonuserstate.pm,v 1.166 2021/08/10 15:28:14 raeburn Exp $
+# $Id: lonuserstate.pm,v 1.167 2021/08/21 03:42:02 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -950,7 +950,7 @@ sub traceroute {
             @deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$symb,'','','','',$cid,\@recurseup);
         }
         unless (@deeplink < 2) {
-            $hash{'deeplinkonly_'.$rid}=join(':',@deeplink);
+            $hash{'deeplinkonly_'.$rid}=join(':',map { &escape($_); } @deeplink);
         }
 
 	if (defined($hash{'conditions_'.$rid})) {
@@ -1613,7 +1613,10 @@ sub build_tmp_hashes {
             }
             my $deeplink;
             if ($hash{'deeplinkonly_'.$loginrid} ne '') {
-                $deeplink = $hash{'deeplinkonly_'.$loginrid};
+                my @deeplinkinfo = map { &unescape($_); } split(/:/,$hash{'deeplinkonly_'.$loginrid});
+                unless (@deeplinkinfo < 2) {
+                    $deeplink = $deeplinkinfo[0];
+                }
             }
             if ($deeplink) {
                 my $disallow;