--- loncom/lonnet/perl/lonnet.pm	2007/08/10 23:02:36	1.906
+++ loncom/lonnet/perl/lonnet.pm	2007/08/31 12:33:29	1.909
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.906 2007/08/10 23:02:36 albertel Exp $
+# $Id: lonnet.pm,v 1.909 2007/08/31 12:33:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -861,6 +861,7 @@ sub inst_directory_query {
     my $udom = $srch->{'srchdomain'};
     my %results;
     my $homeserver = &domain($udom,'primary');
+    my $outcome;
     if ($homeserver ne '') {
 	my $queryid=&reply("querysend:instdirsearch:".
 			   &escape($srch->{'srchby'}).':'.
@@ -880,14 +881,19 @@ sub inst_directory_query {
 	}
 
         if (!&error($response) && $response ne 'refused') {
-            my @matches = split(/\n/,$response);
-            foreach my $match (@matches) {
-                my ($key,$value) = split(/=/,$match);
-                $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
+            if ($response eq 'unavailable') {
+                $outcome = $response;
+            } else {
+                $outcome = 'ok';
+                my @matches = split(/\n/,$response);
+                foreach my $match (@matches) {
+                    my ($key,$value) = split(/=/,$match);
+                    $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
+                }
             }
         }
     }
-    return %results;
+    return ($outcome,%results);
 }
 
 sub usersearch {
@@ -6696,10 +6702,11 @@ sub metadata {
 		 # only ws inside the tag, and not in default, so use default
 		 # as value
 			    $metaentry{':'.$unikey}=$default;
-			} else {
-		  # either something interesting inside the tag or default
-                  # uninteresting
+			} elsif ( $internaltext =~ /\S/ ) {
+		  # something interesting inside the tag
 			    $metaentry{':'.$unikey}=$internaltext;
+			} else {
+		  # no interesting values, don't set a default
 			}
 # end of not-a-package not-a-library import
 		    }
@@ -6839,12 +6846,15 @@ sub gettitle {
 	}
 	my ($map,$resid,$url)=&decode_symb($symb);
 	my $title='';
-	my %bighash;
-	if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
-		&GDBM_READER(),0640)) {
-	    my $mapid=$bighash{'map_pc_'.&clutter($map)};
-	    $title=$bighash{'title_'.$mapid.'.'.$resid};
-	    untie %bighash;
+	if (!$map && $resid == 0 && $url =~/default\.sequence$/) {
+	    $title = $env{'course.'.$env{'request.course.id'}.'.description'};
+	} else {
+	    if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
+		    &GDBM_READER(),0640)) {
+		my $mapid=$bighash{'map_pc_'.&clutter($map)};
+		$title=$bighash{'title_'.$mapid.'.'.$resid};
+		untie(%bighash);
+	    }
 	}
 	$title=~s/\&colon\;/\:/gs;
 	if ($title) {