--- loncom/interface/lonparmset.pm	2023/05/22 21:10:55	1.620
+++ loncom/interface/lonparmset.pm	2023/12/22 13:38:02	1.621
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.620 2023/05/22 21:10:55 raeburn Exp $
+# $Id: lonparmset.pm,v 1.621 2023/12/22 13:38:02 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2482,6 +2482,7 @@ sub lookUpTableParameter {
         'lenient' => 'grading',
         'retrypartial' => 'tries',
         'discussvote'  => 'misc',
+        'texdisplay' => 'misc',
         'examcode' => 'high_level_randomization',
     );
 }
@@ -3711,7 +3712,7 @@ sub assessparms {
             'date_interval','int','float','string','string_lenient',
             'string_examcode','string_deeplink','string_discussvote',
             'string_useslots','string_problemstatus','string_ip',
-            'string_questiontype') {
+            'string_questiontype','string_tex') {
         $r->print('<input type="hidden" value="'.
             &HTML::Entities::encode($env{'form.recent_'.$item},'"&<>').
             '" name="recent_'.$item.'" />');
@@ -4472,6 +4473,8 @@ sub storedata {
                         if ($thiskey =~ /\.retrypartial$/) {
                             $name = 'retrypartial';
                         }
+                    } elsif ($typeof eq 'string_tex') {
+                        $name = 'texdisplay';
                     }
                 } elsif ($cmd eq 'datepointer') {
                     $data=&Apache::lonhtmlcommon::get_date_from_form($env{$key});
@@ -5546,6 +5549,9 @@ my %strings =
                  ['_denyfrom_','Hostname(s) or IP(s) from which access is disallowed']], 
      'string_deeplink'
              => [['on','Set choices for link protection, resource listing, access scope, shown menu items, embedding, and exit link']],
+     'string_tex'
+             => [['tth', 'tth (TeX to HTML)'],
+                 ['mathjax', 'MathJax']],
     );
    
 
@@ -5567,6 +5573,7 @@ my %stringtypes = (
                     examcode     => 'string_examcode',
                     acc          => 'string_ip',
                     deeplink     => 'string_deeplink',
+                    texdisplay   => 'string_tex',
                   );
 
 # Returns the possible values and titles for a given string type, or undef if there are none.
@@ -5627,6 +5634,7 @@ sub string_selector {
             ($thistype eq 'string_discussvote') ||
             ($thistype eq 'string_ip') ||
             ($thistype eq 'string_deeplink') ||
+            ($thistype eq 'string_tex') ||
             ($name eq 'retrypartial')) {
         my ($got_chostname,$chostname,$cmajor,$cminor); 
         foreach my $possibilities (@{ $strings{$thistype} }) {