Index: trunk/core/kernel/application.php
===================================================================
diff -u -r3431 -r3456
--- trunk/core/kernel/application.php	(.../application.php)	(revision 3431)
+++ trunk/core/kernel/application.php	(.../application.php)	(revision 3456)
@@ -884,21 +884,43 @@
 		}
 
 		$pass = str_replace('all', trim($this->GetVar('passed'), ','), $pass);
-
+		
 		if(strlen($pass) > 0)
 		{
 			$pass_info = array_unique( explode(',',$pass) ); // array( prefix[.special], prefix[.special] ...
+			sort($pass_info, SORT_STRING); // to be prefix1,prefix1.special1,prefix1.special2,prefix3.specialX
+			
+			// ensure that "m" prefix is always first
+			$main_index = array_search('m', $pass_info);
+			if($main_index !== false)
+			{
+				unset($pass_info[$main_index]);
+				array_unshift($pass_info, 'm');
+			}
+			
 			$event_params = Array('t' => $t, 'pass_events' => $pass_events);
-			foreach($pass_info as $pass_element)
+			
+			foreach($pass_info as $pass_index => $pass_element)
 			{
 				list($prefix) = explode('.', $pass_element);
 				$require_rewrite = $this->findModule('Var', $prefix);
 				if($require_rewrite)
 				{
+					// if next prefix is same as current, but with special => exclude current prefix from url
+					$next_prefix = getArrayValue($pass_info, $pass_index + 1);
+					if ($next_prefix)
+					{
+						$next_prefix = substr($next_prefix, 0, strlen($prefix) + 1);
+						if ($prefix.'.' == $next_prefix) continue;
+					}
+					
 					$event_params['url_params'] = $params;
 					$event = new kEvent($pass_element.':BuildEnv', $event_params);
 					$this->HandleEvent($event);
-					$ret .= '/'.trim( $event->getEventParam('env_string'), '/');
+					if ($event->getEventParam('env_string'))
+					{
+						$ret .= '/'.trim( $event->getEventParam('env_string'), '/');
+					}
 					$params = $event->getEventParam('url_params'); // save back unprocessed parameters
 				}
 				else