* [WiP] Show host for “misleading” links
* Disallow misleading targets which domain names are prefixes of link text
* Move decodeIDNA to app/javascript/mastodon/utils
* Add support for international domain names
* Change link origin tag color to darker text color
* Handle links to domains starting with www. as shortened by Mastodon
* [WiP] Ignore links that cannot be misread as URLs, rewrite other links
