--- loncom/homework/inputtags.pm	2019/12/04 02:10:23	1.333.2.9
+++ loncom/homework/inputtags.pm	2021/09/11 16:12:25	1.333.2.11
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.333.2.9 2019/12/04 02:10:23 raeburn Exp $
+# $Id: inputtags.pm,v 1.333.2.11 2021/09/11 16:12:25 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1879,13 +1879,15 @@ sub previous_tries {
     my $prefix = $env{'form.request.prefix'};
     $prefix =~ tr{.}{_};
     my $function_name = 'LONCAPA_previous_tries_'.$prefix;
-    if (($env{'request.state'} eq 'construct') || ($id =~ /[._]|[^\w\s\-]/)) {
+    if (($env{'request.state'} eq 'construct') || ($id =~ /\W/)) {
         $function_name .= $Apache::lonxml::curdepth;
     } else {
-        $function_name .= &js_escape($id);
+        $function_name .= $id;
     }
     $function_name .= '_'.$Apache::lonxml::counter;
-    my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
+    my $possmathjax = 1;
+    my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,
+                                                        &mt($tries_text),$possmathjax)."<br />";
     return $result;
 }