In the WYSIWYG editor, add a shortcut or a button to create a wiki link quickly.

In the current 2.0 editor, it's not convenient to create a wiki link (to an existing page or a non-existing page alike).

I suggest the following UI flow:
1. Select some text.
2. Click a button "internal link". The selected text will become a wiki link to a page of the current space, no matter whether the page exists or not.
3. Move the input cursor over the text, a float window will appear beside it. On it, there are "open" "change", and "remove".

Besides, there can be a shortcut, Ctrl + Q. Just like Ctrl + B or Ctrl + I.

The idea is brought from HDWiki and Gmail. Try http://www.hudong.com/editdocauth/%E9%A3%8E%E5%8A%9B%E5%8F%91%E7%94%B5