--- loncom/homework/response.pm	2024/06/19 05:56:22	1.249
+++ loncom/homework/response.pm	2024/10/29 03:22:10	1.250
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.249 2024/06/19 05:56:22 raeburn Exp $
+# $Id: response.pm,v 1.250 2024/10/29 03:22:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -885,7 +885,7 @@ sub answer_part {
     if ($env{'form.answer_output_mode'} eq 'tex') {
 	if (!$args->{'no_verbatim'}) {
 	    my $to_use='|';
-	    foreach my $value (32..126) {
+	    foreach my $value (33..41,43..126) {
 		my $char=pack('c',$value);
 		if ($answer !~ /\Q$char\E/) {
 		    $to_use=$char;