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Re: #173: CR and LF in chunk extension values

From: Mark Nottingham <mnot@mnot.net>
Date: Tue, 25 Aug 2009 16:04:34 +1000
Cc: HTTP Working Group <ietf-http-wg@w3.org>, Henrik Nordstrom <henrik@henriknordstrom.net>, Bjoern Hoehrmann <derhoermi@gmx.net>
Message-Id: <882D9799-45A3-43D6-ACD3-D50608F1706D@mnot.net>
To: Julian Reschke <julian.reschke@gmx.de>

On 24/08/2009, at 11:18 PM, Julian Reschke wrote:

> Mark Nottingham wrote:
>> That leaves us at:
>> 1) Replace OWS in qdtext with space and tab, and
>> 2) Remove obs-text from qdtext, and
>> 3) Restrict quoted-text to VCHAR.
>> Milestone assigned for -08; barring any other discussion, we'll see  
>> what the editors come up with in that revision.
>> ...
>
> 1)
>
>  qdtext         = WSP / %x21 / %x23-5B / %x5D-7E / obs-text
>                 ; WSP / <VCHAR except DQUOTE and "\"> / obs-text
>  obs-text       = %x80-FF

Looks good.


> 2)
>
> What's the problem with obs-text? It doesn't contain controls...

Mea culpa; misread that. Never mind #2.


> 3)
>
> It seems to me that the purpose of quoted-text is to allow any  
> character in qdtext, plus DQUOTE and "\", which would make it
>
> quoted-text = qdtext / DQUOTE / "\"
>
> While we're at it, we probably should rename it to quoted-char, and  
> also add a short statement what the semantics of a quoted-pair is.


I had to read that a few times, but I think I agree. However, "quoted- 
char" may be confusing, as it's very similar to "quoted-pair".





--
Mark Nottingham     http://www.mnot.net/
Received on Tuesday, 25 August 2009 06:05:14 GMT

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