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Re: Fwd: New Version Notification for draft-nottingham-http-structure-retrofit-00.txt

Matty K <matthew@kerwin.net.au> Fri, 08 October 2021 05:19 UTC

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Date: Fri, 08 Oct 2021 15:14:35 +1000
From: Matty K <matthew@kerwin.net.au>
To: Martin Thomson <mt@lowentropy.net>
Cc: ietf-http-wg@w3.org
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Subject: Re: Fwd: New Version Notification for draft-nottingham-http-structure-retrofit-00.txt
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On 2021-10-08 14:08, Martin Thomson wrote:
> Hi Mark,
> 
> I was just reading Mike's draft and was reminded of the shape of 
> Alt-Svc:
> 
>   alt-value     = alternative *( OWS ";" OWS parameter )
>   alternative   = protocol-id "=" alt-authority
> 
> That doesn't fit the dictionary syntax in RFC 8941.  Dictionaries
> can't have a value and parameters at the same time:
> 
>   dict-member    = member-key ( parameters / ( "=" member-value ))
> 

Ah, it's a gotcha:

~~~
member-value   = sf-item / inner-list
sf-item   = bare-item parameters
~~~

(In section 3.3)

Cheers
-- 
Matty K

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