@bender-tags: 4.10.0, 1703, mentions, feature
@bender-ui: collapsed
@bender-ckeditor-plugins: wysiwygarea, toolbar, basicstyles, mentions

Have fun with Mentions plugin!

You should be able to open correct autocompletion view by typing:

* `@` synchronous array feed.
* `$` asynchronous URL string feed.
* `#` asynchronous callback feed.
