You might also be looking for VisualEditor's wikitext mode, which is the 2017年版ウィキテキストエディター.
This category has only the following subcategory.
The number of included categories (C), pages (P) and files (F) is stated in brackets.
Pages in category "カテゴリ:ビジュアルエディター"
The following 14 pages are in this category, out of 14 total.