Index: branches/RC/core/kernel/application.php
===================================================================
diff -u -r8929 -r8953
--- branches/RC/core/kernel/application.php	(.../application.php)	(revision 8929)
+++ branches/RC/core/kernel/application.php	(.../application.php)	(revision 8953)
@@ -706,7 +706,7 @@
 //				$this->LinkVar('return_m');			// main env part to restore after popup will be closed (from finalizePopup)
 			}
 
-			if ($this->GetVar('ajax') == 'yes') {
+			if ($this->GetVar('ajax') == 'yes' && !$this->GetVar('debug_ajax')) {
 				// hide debug output from ajax requests automatically
 				define('DBG_SKIP_REPORTING', 1);
 			}