From 34018d81aa09533f2f5a76c9fbf269993e32168d Mon Sep 17 00:00:00 2001
From: pichetp <pichetp>
Date: Thu, 1 Nov 2007 00:27:57 +0000
Subject: [PATCH] MDL-11867 setting real null when response is null in
 calculated question

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

diff --git a/question/type/shortanswer/questiontype.php b/question/type/shortanswer/questiontype.php
index 58e5620834..913b1e7bbb 100644
--- a/question/type/shortanswer/questiontype.php
+++ b/question/type/shortanswer/questiontype.php
@@ -142,7 +142,7 @@ class question_shortanswer_qtype extends default_questiontype {
 
         /// Print input controls
 
-        if (isset($state->responses[''])) {
+        if (isset($state->responses['']) && $state->responses['']!='') {
             $value = ' value="'.s($state->responses[''], true).'" ';
         } else {
             $value = ' value="" ';
-- 
2.39.5