--- loncom/lonnet/perl/lonnet.pm	2017/08/27 17:49:49	1.1354
+++ loncom/lonnet/perl/lonnet.pm	2017/10/07 00:50:52	1.1356
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1354 2017/08/27 17:49:49 raeburn Exp $
+# $Id: lonnet.pm,v 1.1356 2017/10/07 00:50:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -650,7 +650,7 @@ sub transfer_profile_to_env {
 
 # ---------------------------------------------------- Check for valid session 
 sub check_for_valid_session {
-    my ($r,$name,$userhashref) = @_;
+    my ($r,$name,$userhashref,$domref) = @_;
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
     my ($linkname,$pubname);
     if ($name eq '') {
@@ -678,7 +678,16 @@ sub check_for_valid_session {
     } else {
         $lonidsdir=$r->dir_config('lonIDsDir');
     }
-    return undef if (!-e "$lonidsdir/$handle.id");
+    if (!-e "$lonidsdir/$handle.id") {
+        if ((ref($domref)) && ($name eq 'lonID') && 
+            ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
+            my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
+            if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
+                $$domref = $possudom;
+            }
+        }
+        return undef;
+    }
 
     my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
     return undef if (!$opened);
@@ -2444,6 +2453,9 @@ sub get_domain_defaults {
         } elsif ($domconfig{'coursedefaults'}{'canclone'}) {
             $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'};
         }
+        if ($domconfig{'coursedefaults'}{'texengine'}) {
+            $domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};
+        } 
     }
     if (ref($domconfig{'usersessions'}) eq 'HASH') {
         if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {