Merge branch 'MDL-34226_22' of git://github.com/timhunt/moodle into MOODLE_22_STABLE

2012-07-23 13:54:11 +08:00
parent 4dba21f35a db5b519022
commit 5d6842891e
1 changed files with 1 additions and 1 deletions
@@ -199,7 +199,7 @@ class qtype_multichoice_single_question extends qtype_multichoice_base {
    }

    public function is_complete_response(array $response) {
-        return array_key_exists('answer', $response);
+        return array_key_exists('answer', $response) && $response['answer'] !== '';
    }

    public function is_gradable_response(array $response) {