- Affected components: TBD.
- Engineer for initial implementation: TBD.
- Code steward: TBD.
(Define the problem you are seeking to solve.)
(Specify the requirements that a proposal should meet.)
Implement shadow namespaces, which refers to the concept where if a local page doesn't exist, it will be transparently fetched from a remote wiki, like how InstantCommons and foreign file repos currently work.
For more details see https://www.mediawiki.org/wiki/Requests_for_comment/Shadow_namespaces