<p>The only <a href="http://meta.stackexchange.com/questions/71108/links-with-uris-of-schemes-other-than-http-https-are-broken" title="but no one thinks of Yuri">whitelisted and supported URI</a> protocols are <strong>http</strong>, <strong>https</strong> and <strong>ftp</strong>.</p>

<p>All other link protocols go through the Markdown sanitising wash and removed.</p>

<p>Besides, you <a href="http://meta.stackexchange.com/questions/97413/chrome-link-does-not-show-up-as-a-link" title="create a page on your machine with such a link and try it yourself">can't click those links anyway</a>.</p>