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Re: The robustness principle, as view by user agent implementors (Re: Working Group Last Call: draft-ietf-httpbis-content-disp-02)

From: Adam Barth <w3c@adambarth.com>
Date: Sun, 3 Oct 2010 13:03:02 -0700
Message-ID: <AANLkTimr6M04dAvk6of7X=KN=3C=Or1KasGimBxU9uLL@mail.gmail.com>
To: "Eric J. Bowman" <eric@bisonsystems.net>
Cc: Bjoern Hoehrmann <derhoermi@gmx.net>, HTTP Working Group <ietf-http-wg@w3.org>
User agents generate those headers.  They don't need instructions for
how to parse them.

Adam


On Sun, Oct 3, 2010 at 1:00 PM, Eric J. Bowman <eric@bisonsystems.net> wrote:
> Considering this proposal elsewhere in HTTPbis:
>
> http://lists.w3.org/Archives/Public/ietf-http-wg/2010JulSep/0388.html
>
> By your logic, since user agents (browsers) would need to continue to
> support X-Moz and X-Purpose, it would be incorrect to define the
> Purpose header and leave it at that, without also providing some
> language instructing user agents how to parse X-Moz and X-Purpose, as
> they are in fact used in the wild.
>
> I see describing how to parse the obsoleted headers as standardizing
> nonconformant (unspecified) syntax.  Just because it was once done this
> way, and adopted in more than one browser, isn't relevant to the
> definition of a Purpose header.  Quite relevant to browser development,
> not relevant to HTTP.
>
> -Eric
>
Received on Sunday, 3 October 2010 20:11:34 GMT

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