Bringing clarity and simplification to contributors and volunteer users of our library is the premise here.
We're already mixing OOjs UI and OOUI, sometimes even wrongly OOjs when OOUI is meant in the documentation.
Let's unify it slowly and non-disruptive in all relevant places to **OOUI**.
Starting point:
[x] https://www.mediawiki.org/wiki/OOjs_UI ➞ https://www.mediawiki.org/wiki/OOUI
[x] All instances in the text
[x] All headers and internal links
[x] URLs via Redirects
[x] Category redirect
[x] Internally in code documentation
[x] MW core
[x] Extension:CentralNotice
[x] Extension:CollaborationKit
[x] Extension:Flow
[x] Extension:Kartographer
[x] Extension:QuickSurveys
[x] Extension:RevisionSlider
[x] Extension:UploadWizard
[x] Extension:VisualEditor
[x] Readme.md
[x] Phab alias pointing the other way round
[x] Prefixes in core.js and PHP – https://gerrit.wikimedia.org/r/#/c/404601/
[x] Link text on https://doc.wikimedia.org/ – https://gerrit.wikimedia.org/r/405238
[x] Style Guide – https://github.com/wikimedia/WikimediaUI-Style-Guide/pull/56
…