--- loncom/homework/grades.pm 2008/02/04 17:45:07 1.506
+++ loncom/homework/grades.pm 2008/02/04 23:30:05 1.507
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
#
-# $Id: grades.pm,v 1.506 2008/02/04 17:45:07 raeburn Exp $
+# $Id: grades.pm,v 1.507 2008/02/04 23:30:05 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -5524,6 +5524,10 @@ sub scantron_validator_positional {
# If the split only gives us one element.. the full length of the
# answer string, no bubbles are filled in:
+ if ($answers_needed eq '') {
+ return;
+ }
+
if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
for (my $ans=0; $ans<$answers_needed; $ans++ ) {
$record->{"scantron.$ansnum.answer"}='';
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