--- loncom/lonnet/perl/lonnet.pm	2005/05/05 20:50:38	1.633
+++ loncom/lonnet/perl/lonnet.pm	2005/05/25 21:33:35	1.636
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.633 2005/05/05 20:50:38 albertel Exp $
+# $Id: lonnet.pm,v 1.636 2005/05/25 21:33:35 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -258,7 +258,6 @@ sub critical {
 
 sub transfer_profile_to_env {
     my ($lonidsdir,$handle)=@_;
-    undef(%env);
     my @profile;
     {
 	open(my $idf,"$lonidsdir/$handle.id");
@@ -3902,7 +3901,8 @@ sub unmark_as_readonly {
     # unmarks $file_name (if $file_name is defined), or all files locked by $what 
     # for portfolio submissions, $what contains [$symb,$crsid] 
     my ($domain,$user,$what,$file_name) = @_;
-    my $symb_crs = join('',@$what);
+    my $symb_crs = $what;
+    if (ref($what)) { $symb_crs=join('',@$what); }
     my %current_permissions = &dump('file_permissions',$domain,$user);
     my ($tmp)=keys(%current_permissions);
     if ($tmp=~/^error:/) { undef(%current_permissions); }
@@ -4176,6 +4176,7 @@ sub get_userresdata {
     } elsif ($tmp=~/error: 2 /) {
 	#&EXT_cache_set($udom,$uname);
 	&do_cache_new('userres',$hashid,undef,600);
+	undef($tmp); # not really an error so don't send it back
     }
     return $tmp;
 }
@@ -4650,7 +4651,6 @@ sub metadata {
 	}
 	my ($extension) = ($uri =~ /\.(\w+)$/);
 	foreach my $key (sort(keys(%packagetab))) {
-	    #&logthis("extsion1 $extension $key !!");
 	    #no specific packages #how's our extension
 	    if ($key!~/^extension_\Q$extension\E&/) { next; }
 	    &metadata_create_package_def($uri,$key,'extension_'.$extension,