Help:Extension:CommunityRequests
The CommunityRequests extension is a system for managing a wiki community's requests and suggestions for technical development. It is used by the WMF for the Community Wishlist.
Machine translation
[edit]Machine language translation can be enabled by adding the __MACHINETRANSLATION__ behaviour switch magic word to any page (or, more commonly, on a template that's used on multiple pages).
This will add a banner at the top of any page that has any parts written in languages other than a user's current interface language. The banner contains a toggle switch that can be used to enable the page translation.
The state of the toggle switch is maintained between page loads, as the user navigates around the wiki, so that text in other languages will be translated as soon as a new page is opened.