[root@dywang moodle23]# diff -urNwbBE ../moodle/mod/quiz/override_form.php mod/quiz/override_form.php
--- ../moodle/mod/quiz/override_form.php 2012-06-26 01:15:22.000000000 +0800
+++ mod/quiz/override_form.php 2013-04-26 08:23:46.000000000 +0800
@@ -192,7 +192,7 @@
$mform->setDefault('timelimit', $this->quiz->timelimit);
// Number of attempts.
- $attemptoptions = array('0' => get_string('unlimited'));
+ //$attemptoptions = array('0' => get_string('unlimited'));//dywang
for ($i = 1; $i <= QUIZ_MAX_ATTEMPT_OPTION; $i++) {
$attemptoptions[$i] = $i;
}