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RE: Set-Cookie vs list header parsing (i129)

From: Yves Lafon <ylafon@w3.org>
Date: Thu, 28 Aug 2008 10:32:48 -0400 (EDT)
To: Brian Smith <brian@briansmith.org>
cc: 'Julian Reschke' <julian.reschke@gmx.de>, 'Dan Winship' <dan.winship@gmail.com>, ietf-http-wg@w3.org
Message-ID: <Pine.LNX.4.64.0808281029070.13456@ubzre.j3.bet>

On Wed, 27 Aug 2008, Brian Smith wrote:

> field that is single-valued but erroneously repeated. If an intermediary
> combines two single-valued header fields together then it could change the
> meaning of the request/response if the combined value is also a legal value
> for that field (see http://tools.ietf.org/wg/httpbis/trac/ticket/93).

If there an example of a repeated single-valued header that, once folded 
in one list-valued header becomes legal?
  Content-Length: 12
  Content-Length: 42
is as illegal as
  Content-Length: 12,42

(and more than likely to trigger a 400 reply)

-- 
Baroula que barouleras, au tiéu toujou t'entourneras.

         ~~Yves
Received on Thursday, 28 August 2008 14:33:22 GMT

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