This extension improves UI of https://dou.ua/ by adding WYSIWYG editor and image previews in user comments. Core features: - Adds WYSIWYG editor, configured to work only with accepted tags (TinyMCE) - Adds syntax highlight for code (code should be added by WYSIWYG for correct highlighting) - Adds previews for images (if comment contains link to jpg/png/gif - image will be added to the end of comment) - Adds previews for YouTube videos (if comment contains link to YT video) - You can control preview size or disable media preview completely - Expands all threads - Replaces utf-8 emoji with twemoji