Index: trunk/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r4016 -r4309
--- trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4016)
+++ trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4309)
@@ -326,8 +326,22 @@
 				}
 			}
 
-			if ( is_array(getArrayValue($config, 'Hooks')) ) {
-				foreach ($config['Hooks'] as $hook) {
+			$hooks = getArrayValue($config, 'Hooks');
+			if (is_array($hooks) && count($hooks) > 0) {
+				foreach ($hooks as $hook) {
+					if (isset($config['ParentPrefix']) && $hook['HookToPrefix'] == $config['ParentPrefix']) {
+						trigger_error('Depricated Hook Usage [prefix: <b>'.$config['Prefix'].'</b>; do_prefix: <b>'.$hook['DoPrefix'].'</b>] use <b>#PARENT#</b> and <b>HookToPrefix</b> value where HookToPrefix is same as ParentPrefix', E_USER_NOTICE);
+					}
+					
+					if ($hook['HookToPrefix'] == '') {
+						$hook['HookToPrefix'] = $config['Prefix']; // new: set hooktoprefix to current prefix if not set
+					}
+					
+					if (isset($config['ParentPrefix']) && $hook['HookToPrefix'] == '#PARENT#') {
+						// new: allow to set hook to parent prefix what ever it is
+						$hook['HookToPrefix'] = $config['ParentPrefix'];
+					}
+					
 					$do_prefix = $hook['DoPrefix'] == '' ? $config['Prefix'] : $hook['DoPrefix'];
 
 					if ( !is_array($hook['HookToEvent']) ) {