@prologic I say we should find a way to support mentions with only url, no nick, as per the original spec.

• For <a href="/profile?url=url">@nick</a> we already got support
• For <a href="/profile?url=the posting client should expand it to@<nick url">@nick></a>, if not then the reading client should just render it as @nick with no link.
• For <a href="/profile?url=the sending client should try to expand it to@<nick url">@url></a>, if not then the reading client should try to find or construct a nick base on:
  1. Look in twtxt.txt for a nick =
  2. Use (sub)domain from URL
  3. Use folder or file name from URL