From da3802dbaeafc84018e23c2400027ec73a45051c Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Fri, 10 Aug 2007 10:48:58 +0000
Subject: [PATCH] MDL-10786 - Short Answer questions will not allow 0 as the
 sole answer. Merged from MOODLE_18_STABLE.

---
 question/type/shortanswer/edit_shortanswer_form.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/question/type/shortanswer/edit_shortanswer_form.php b/question/type/shortanswer/edit_shortanswer_form.php
index 89a8d181b9..38580b7213 100644
--- a/question/type/shortanswer/edit_shortanswer_form.php
+++ b/question/type/shortanswer/edit_shortanswer_form.php
@@ -76,7 +76,7 @@ class question_edit_shortanswer_form extends question_edit_form {
         $maxgrade = false;
         foreach ($answers as $key => $answer) {
             $trimmedanswer = trim($answer);
-            if (!empty($trimmedanswer)){
+            if ($trimmedanswer !== ''){
                 $answercount++;
                 if ($data['fraction'][$key] == 1) {
                     $maxgrade = true;
-- 
2.39.5