It seems WikiEditor has recently undergone a change (at least that’s how it feels on Wiktionary.fr). Under "Special Characters", on Wiktionary.fr we used to have two small sets of characters for French and French API. Now "Special Characters" shows several scripts (Latin, Greek, Arabic, Tamil, etc.) and our character subsets are drowned in the Latin and API listings. How can one add customised subsets to WikiEditor (like one can with Edittools)?
The Vietnamese wikis add a consolidated Vietnamese character page using this code (specifically the functions
That’ll get you a separate booklet, while the code I suggested adds pages to the existing Special Characters booklet. It probably only works when you put it in a site-wide script like MediaWiki:Common.js/edit.js, rather than in one of your user scripts.
Unfortunately, I can’t test either version at the French Wiktionary because the use of
mw.toolbar.insertButton() in MediaWiki:Common.js/edit.js (under “Boutons depuis MW 1.18”) has completely broken the WikiEditor toolbar.