Redmine

I have to use <pre> to describe the above:

Typing test-www.example.com creates a link only for the "www.example.com" part, but the host is "test-www", and not "www".

How about adding the prefix "http"?

That will create the link as:
http://test-www.example.com

Maybe the Text formatting is not that smart as we expect ;)

Maybe the "www" is the root cause?

See in below:

test@example.com
test@www.com

By the way, most URLs can not be recognized w/o "www" (and prefix).
e.g.
news.google.com