Index: branches/RC/core/kernel/constants.php
===================================================================
diff -u -r11319 -r11395
--- branches/RC/core/kernel/constants.php	(.../constants.php)	(revision 11319)
+++ branches/RC/core/kernel/constants.php	(.../constants.php)	(revision 11395)
@@ -79,9 +79,10 @@
 	define('VALUE_LIST_SEPARATOR', '||');
 
 	// template editing modes
-	define('EDITING_MODE_CMS', 1);
-	define('EDITING_MODE_LAYOUT', 2);
-	define('EDITING_MODE_DESIGN', 3);
+	define('EDITING_MODE_CMS', 1); // content block only
+	define('EDITING_MODE_LAYOUT', 2); // content blocks, marked with "layout_view" parameter
+	define('EDITING_MODE_DESIGN', 3); // blocks, used as designs
+	define('EDITING_MODE_INSIDES', 4); // all other stuff, that could be editable
 
 	// agent types
 	define('AGENT_TYPE_USER', 1);