>is the new text in HTTP/1.0 or in HTTP/1.1?
It will be in HTTP/1.0.
>Is anyone presently using 406?
I don't know, but it has long been known to be a missing feature
required to implement content negotiation correctly.
....Roy T. Fielding Department of ICS, University of California, Irvine USA
Visiting Scholar, MIT/LCS + World-Wide Web Consortium
(fielding@w3.org) (fielding@ics.uci.edu)