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Re: A new HTTP response code say 209

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Thu, 09 Jan 2014 11:57:30 +0000
To: Henry Story <henry.story@bblfish.net>
Cc: Mark Nottingham <mnot@mnot.net>, Tim Berners-Lee <timbl@w3.org>, TAG List <www-tag@w3.org>, Arnaud LeHors <lehors@us.ibm.com>, "Eric Prud'hommeaux" <eric@w3.org>, Yves Lafon <ylafon@w3.org>, Philippe Le Hégaret <plh@w3.org>, Peter Linss <peter.linss@hp.com>, "Appelquist Daniel \(UK\)" <Daniel.Appelquist@telefonica.com>
Message-ID: <f5bsisxe5at.fsf@troutbeck.inf.ed.ac.uk>
Henry Story writes:

> It is a bad idea to put semantics into media types. Media types are
> there to help interpret the representation coming back from the
> resource, not for describing the resource itself ( since after all
> the same resource could have a number of different representation in
> different formats, as we do in RDF land regularly )

> ...

> What is wanted is something that does what 303 does, but returns the content immediately. 

Right -- to short-circuit this, in the TAG f2f this morning, I offered
the following paraphrase for the 2xx proposal:

  A 2xx response code signals all and only the short-circuiting of a
  303 response, with the content of what a GET to the Location header
  of the 303 would have had, and a Content-location header giving what
  would have been the Location of the 303.

So no new 'semantics', in the sense that whatever you believe 303
means wrt what the relation between what you originally asked for, and
what you _eventually_ get, holds for 2xx between what you originally
asks for and what you get _immediately_.

       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]
Received on Thursday, 9 January 2014 11:58:19 UTC

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