Index: branches/5.2.x/core/kernel/constants.php
===================================================================
diff -u -N -r15421 -r15563
--- branches/5.2.x/core/kernel/constants.php	(.../constants.php)	(revision 15421)
+++ branches/5.2.x/core/kernel/constants.php	(.../constants.php)	(revision 15563)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: constants.php 15421 2012-06-29 13:06:20Z alex $
+* @version	$Id: constants.php 15563 2012-10-09 16:05:41Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -131,6 +131,7 @@
 	define('SUBMISSION_LOG_ATTACHMENT_PATH', WRITEBALE_BASE . '/user_files/submission_log/');
 
 	define('TIMENOW', adodb_mktime()); // for faster message processing
+	define('USER_TITLE_FIELD', 'IF(Email = "", Username, Email)');
 
 	// site domains
 	define('SITE_DOMAIN_REDIRECT_CURRENT', 1);