--- loncom/interface/domainprefs.pm	2019/01/31 17:44:07	1.348
+++ loncom/interface/domainprefs.pm	2019/02/15 20:56:14	1.349
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.348 2019/01/31 17:44:07 raeburn Exp $
+# $Id: domainprefs.pm,v 1.349 2019/02/15 20:56:14 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5272,7 +5272,6 @@ sub print_coursedefaults {
         mysqltables          => 'Lifetime (s) of "Temporary" MySQL tables (student performance data) on homeserver',
     );
     my %staticdefaults = (
-                           texengine            => 'MathJax',
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
                            postsubmit           => 60,
@@ -5286,7 +5285,7 @@ sub print_coursedefaults {
                             'canclone'        => 'none',
                           );
         @toggles = ('canuse_pdfforms','uselcmath','usejsme');
-        my $deftex = $staticdefaults{'texengine'};
+        my $deftex = $Apache::lonnet::deftex;
         if (ref($settings) eq 'HASH') {
             if ($settings->{'texengine'}) {
                 if ($settings->{'texengine'} =~ /^(MathJax|mimetex|tth)$/) {
@@ -16133,7 +16132,6 @@ sub modify_coursedefaults {
                 $defaultshash{'coursedefaults'}{$setting}{$type} = $newdef;
             }
             if ($currdef ne $newdef) {
-                my $staticdef;
                 if ($item eq 'anonsurvey_threshold') {
                     unless (($currdef eq '') && ($newdef == $staticdefaults{$item})) {
                         $changes{$item} = 1;
@@ -16149,11 +16147,12 @@ sub modify_coursedefaults {
         my $texengine;
         if ($env{'form.texengine'} =~ /^(MathJax|mimetex|tth)$/) {
             $texengine = $env{'form.texengine'};
-            if ($defaultshash{'coursedefaults'}{'texengine'} eq '') {
-                unless ($texengine eq 'MathJax') {
+            my $currdef = $domconfig{'coursedefaults'}{'texengine'};
+            if ($currdef eq '') {
+                unless ($texengine eq $Apache::lonnet::deftex) {
                     $changes{'texengine'} = 1;
                 }
-            } elsif ($defaultshash{'coursedefaults'}{'texengine'} ne $texengine) {
+            } elsif ($currdef ne $texengine) {
                 $changes{'texengine'} = 1;
             }
         }