On Thu, 12 Mar 2009, David Shaw wrote:

> It's a bit of a chicken and the egg problem. No client wants to support it
> until the servers do, and no server wants to support it until the clients
> do.

I would guess that making libcurl support this wouldn't be too much work. I've
just personally never seen it used and never faced anyone wanting to use it...

-- 
  / daniel.haxx.se