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Re: i74 proposal take 2

From: Mark Nottingham <mnot@mnot.net>
Date: Fri, 28 Mar 2008 14:47:35 +1100
Cc: ietf-http-wg@w3.org
Message-Id: <19308DA4-199B-4C3F-AA34-240EB85739EE@mnot.net>
To: "Frank Ellermann" <hmdmhdfmhdjmzdtjmzdtzktdkztdjz@gmail.com>


On 28/03/2008, at 2:08 PM, Frank Ellermann wrote:
>>
>> """
>> field-content = <field content>
>> ; the OCTETs making up the field-value,
>> ; consisting of either *TEXT or combinations
>> ; of token, separators, quoted-string and encoded-word,
>> ; according to the syntax specified by the field.
>> """
>
> Maybe not good enough, for an unstructured *TEXT field
> you need 2047 chapter 5 clause (1), no problem.
>
> For a structured field you cannot permit encoded-word
> as folks see fit, the structure must not be hidden by
> encoding (parts of) it.

Maybe the safest thing to do would be:

field-content = <field content>
   ; the OCTETs making up the field-value,
   ; according to the syntax specified by the field.


>> """
>> filename-parm = "filename" "=" quoted-string | encoded-word
>> """
>
> No 2231 folding here, might work.  Please note somewhere
> that 2231 updated <encoded-word> adding optional language
> tags.  Trying to forbid that could be bad.

My first thought is just to add a reference to RFC2231 section 5,  
allowing that extension.


>> Also, I haven't addressed From (p2, 10.3). Anybody want
>> to take a stab at that?
>
> No Latin-1 in From.  For starters s/2822/2822upd/ minus
> the obsolete syntax in chapter 4 of 2822upd (trust me,
> you don't want anything obs-* ;-)
>
> If you intend to evolve 2822upd From into some shrink
> to fit 2047 MIME modulo 2231 forget it, only one person
> ever tried to combine 2882 + MIME, he is not here, and
> he started with not less than four I-Ds full of hardcore
> ABNF (nobody needs any prose or examples if the syntax
> is "obvious")


Sounds like this should be punted to a separate issue...


--
Mark Nottingham     http://www.mnot.net/
Received on Friday, 28 March 2008 03:48:12 GMT

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