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Re: [wmlprogramming] Re: no-transform and the role of W3C

From: Tom Hume <Tom.Hume@futureplatforms.com>
Date: Mon, 15 Dec 2008 20:30:16 +0000
Message-Id: <8AECCD5A-3940-433C-85BB-A46058EB8BF2@futureplatforms.com>
To: wmlprogramming@yahoogroups.com, public-bpwg-ct <public-bpwg-ct@w3.org>
(crossposted to public-bpwg-ct & wmlprogramming)

Gotcha. That'll be why CTG insists that servers stick a no-transform  
onto any response whose request had one[1]. Tho, hmm, this conflicts  
with section 14.9 of RFC 2616, which says that cache-control should be  
unidirectional:

> Cache directives are unidirectional in that the presence
>    of a directive in a request does not imply that the same  
> directive is
>    to be given in the response.


I'm not sure I get how these two statements are compatible. Can anyone  
from the BPWG throw any light onto this?

[1] http://www.w3.org/TR/ct-guidelines/#sec-cache-control-no-transform

On 15 Dec 2008, at 19:43, casays wrote:

> > But if the JavaScript libraries stick a no-transform on the
> > request (which they could do) then there should be nothing required
> > server-side?
>
> Stricly speaking, no. The no-transform directive applies to one
> specific part of the HTTP transaction under consideration: either the
> request, or the response. It is not an HTTP-transaction-wide (i.e.
> the couple request-response) parameter.

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Received on Monday, 15 December 2008 20:30:55 GMT

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