--- rat/lonuserstate.pm	2010/03/25 17:38:52	1.135
+++ rat/lonuserstate.pm	2011/10/06 23:30:06	1.137.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Construct and maintain state and binary representation of course for user
 #
-# $Id: lonuserstate.pm,v 1.135 2010/03/25 17:38:52 raeburn Exp $
+# $Id: lonuserstate.pm,v 1.137.2.1 2011/10/06 23:30:06 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -126,6 +126,15 @@ sub loadmap {
     my $lpc=$pc;
     $hash{'map_pc_'.$uri}=$lpc;
     $hash{'map_id_'.$lpc}=$uri;
+    if ($parent_rid =~ /^(\d+)\.\d+$/) {
+        my $parent_pc = $1;
+        if (defined($hash{'map_hierarchy_'.$parent_pc})) {
+            $hash{'map_hierarchy_'.$lpc}=$hash{'map_hierarchy_'.$parent_pc}.','.
+                                         $parent_pc;
+        } else {
+            $hash{'map_hierarchy_'.$lpc}=$parent_pc;
+        }
+    }
 
 # Determine and check filename
     my $fn=&Apache::lonnet::filelocation('',&putinversion($uri));
@@ -428,7 +437,7 @@ sub simplify {
 # 8&8=8
     $expression=~s/([^_\.\d])([_\.\d]+)\&\2([^_\.\d])/$1$2$3/g;
 # 8|8=8
-    $expression=~s/([^_\.\d])([_\.\d]+)\|\2([^_\.\d])/$1$2$3/g;
+    $expression=~s/([^_\.\d])([_\.\d]+)(?:\|\2)+([^_\.\d])/$1$2$3/g;
 # (5&3)&4=5&3&4
     $expression=~s/\(([_\.\d]+)((?:\&[_\.\d]+)+)\)\&([_\.\d]+[^_\.\d])/$1$2\&$3/g;
 # (((5&3)|(4&6)))=((5&3)|(4&6))
@@ -897,7 +906,7 @@ sub build_tmp_hashes {
 
 sub unlink_tmpfiles {
     my ($fn) = @_;
-    if ($fn =~ m{^\Q$Apache::lonnet::perlvar{'lonUsersDir'}\E/tmp/}) {
+    if ($fn =~ m{^\Q$Apache::lonnet::perlvar{'lonDaemons'}\E/tmp/}) {
         my @files = qw (.db _symb.db .state _parms.db);
         foreach my $file (@files) {
             if (-e $fn.$file) {