--- loncom/lonnet/perl/lonnet.pm	2003/09/19 19:38:24	1.420
+++ loncom/lonnet/perl/lonnet.pm	2003/09/25 20:02:54	1.423
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.420 2003/09/19 19:38:24 albertel Exp $
+# $Id: lonnet.pm,v 1.423 2003/09/25 20:02:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3296,6 +3296,14 @@ sub condval {
     return $result;
 }
 
+# ---------------------------------------------------- Devalidate courseresdata
+
+sub devalidatecourseresdata {
+    my ($coursenum,$coursedomain)=@_;
+    my $hashid=$coursenum.':'.$coursedomain;
+    &devalidate_cache(\%courseresdatacache,$hashid);
+}
+
 # --------------------------------------------------- Course Resourcedata Query
 
 sub courseresdata {
@@ -3621,11 +3629,11 @@ sub add_prefix_and_part {
 
 sub metadata {
     my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
-
     $uri=&declutter($uri);
     # if it is a non metadata possible uri return quickly
     if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) ||
-        ($uri =~ m|/$|) || ($uri =~ m|/.meta$|)) {
+        ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) ||
+	($uri =~ m|home/[^/]+/public_html/|)) {
 	return '';
     }
     my $filename=$uri;