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Re: Prefer Draft Feedback

From: Julian Reschke <julian.reschke@gmx.de>
Date: Tue, 13 Dec 2011 14:10:04 +0100
Message-ID: <4EE74EAC.1010108@gmx.de>
To: James Snell <jasnell@gmail.com>
CC: Mark Nottingham <mnot@mnot.net>, "Moore, Jonathan (CIM)" <Jonathan_Moore@comcast.com>, Martin Thomson <martin.thomson@gmail.com>, Alex Rousskov <rousskov@measurement-factory.com>, HTTP Working Group <ietf-http-wg@w3.org>
On 2011-12-12 22:15, Julian Reschke wrote:
> On 2011-12-08 18:56, James Snell wrote:
>> Ok, a new draft has been published.
>>
>> http://www.ietf.org/id/draft-snell-http-prefer-07.txt
> ...

    A preference token MAY specify a value.  Empty, or zero length values
    on both the preference token and within parameters are equivalent to
    no value being specified at all.  The following, then, are
    equivalent:

      Prefer: foo; bar=""
      Prefer: foo=; bar
      Prefer: foo=""; bar=

In the above examples, the second and the third one are invalid (missing 
value after "="). Bad examples, or bug in the ABNF? (I'd prefer the former).

Best regards, Julian
Received on Tuesday, 13 December 2011 13:10:40 GMT

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