commit cd0f855ac8f951d9a090df2005421ec39c1bb384
Author: Rushikesh <rushikeshnalla9@gmail.com>
Date:   Wed Jan 20 00:53:22 2016 +0530

    MDL-29506 Forum backup : Working of ampersand for parent links

diff --git a/mod/forum/backup/moodle2/backup_forum_activity_task.class.php b/mod/forum/backup/moodle2/backup_forum_activity_task.class.php
index 97cbfde..1fe837b 100644
--- a/mod/forum/backup/moodle2/backup_forum_activity_task.class.php
+++ b/mod/forum/backup/moodle2/backup_forum_activity_task.class.php
@@ -71,7 +71,7 @@ class backup_forum_activity_task extends backup_activity_task {
         $content= preg_replace($search, '$@FORUMVIEWBYF*$2@$', $content);
 
         // Link to forum discussion with parent syntax
-        $search="/(".$base."\/mod\/forum\/discuss.php\?d\=)([0-9]+)(?:\&amp;|\&)parent\=([0-9]+)/";
+        $search = "/(".$base."\/mod\/forum\/discuss.php\?d\=)([0-9]+)(?:\&amp;|\&)parent\=([0-9]+)/";
         $content= preg_replace($search, '$@FORUMDISCUSSIONVIEWPARENT*$2*$3@$', $content);
 
         // Link to forum discussion with relative syntax