Do you see merit to supporting all three //news.ycombinator.com, news.ycombinator.com and http://news.ycombinator.com on your site as likely hyperlinks?

Consider all the variations of capitalization in the coding community, typified by support for CamelCase, and its variants.

I'm suggesting a mixed-mode url format that distinguishes a url from surrounding text, but without the overhead of http://.