Topic on 2017 wikitext editor/Feedback

I enabled wikitext. It has a better interface (just like this one in Flow). It may have a lot of useful features in the future. But it breaks my source code reading and editing completely.

When I'm going to write or edit long text carefully, I prefer to do it in my Vim instead of the browser for more powerful features and easy-of-use. I have installed a browser extension to invoke my favorite editor to edit textareas. But it doesn't work for "contenteditable" HTML tags. And it can't, because they are theoretically not plain text.

I have to disable the feature to use the textarea based editor. It's not like VisualEditor which I can choose and even switch between it and the plain text editor. Maybe add another switch menu item?

Actually, you can do it by yourself, in js. I'm not so sure it can be done "officially", because then there is a need for a switching mechanism for three editors ("Do you want to continue in other editor or abandon the changes you did?"), and I believe it's hard to do.