Index: settings/site.ini
===================================================================
--- settings/site.ini   (revision 19994)
+++ settings/site.ini   (working copy)
@@ -336,6 +336,9 @@
 # Controls whether objects are indexed when they are published, or delayed
 # and processed later by a cronjob
 DelayedIndexing=disabled
+# Search extension path list. Add extension name where the search plug-in is
+# located to this list.
+ExtensionDirectories[]

 [UserSettings]
 # The possibility to deny login after MaxNumberOfFailedLogin failed login attempts.