From e42646b167e10462abe025d8781ddf2fe0364961 Mon Sep 17 00:00:00 2001
From: Tim Hunt <T.J.Hunt@open.ac.uk>
Date: Fri, 1 Jul 2011 09:44:31 +0100
Subject: [PATCH] MDL-27418 fix minor regression found by Rajesh.

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

diff --git a/question/type/numerical/edit_numerical_form.php b/question/type/numerical/edit_numerical_form.php
index d57e1575bfd..512f6949581 100644
--- a/question/type/numerical/edit_numerical_form.php
+++ b/question/type/numerical/edit_numerical_form.php
@@ -291,7 +291,7 @@ class qtype_numerical_edit_form extends question_edit_form {
      * @return bool whether this is a valid answer.
      */
     protected function is_valid_answer($answer, $data) {
-        return $answer == '*' || $this->is_valid_number($x);
+        return $answer == '*' || $this->is_valid_number($answer);
     }
 
     /**
-- 
2.11.4.GIT