Manual:$wgExtraNamespaces/ru

Details
The  configuration parameter lets you configure additional, custom. It can also be used to rename the default namespaces. See the manual on for further details.

 Developer information: 

In case an extension should work with the newly created custom namespace, make sure that you define and name them prior to invoking the respective extension.

Extensions should not use this configuration parameter. Instead they should use the hook or load the namespace through.



См. также
It is recommened to define custom namespaces with IDs starting at  to avoid namespace conflicts.
 * Namespace IDs used by extensions – Shows you a list of namespace IDs you should definitely avoid to prevent namespace conflicts, thus the first custom namespace may encounter conflicts even at ID  though   is theoretically possible.