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Re: Empty lists in Structured Headers (#781)

Julian Reschke <julian.reschke@gmx.de> Thu, 02 May 2019 18:22 UTC

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To: Poul-Henning Kamp <phk@phk.freebsd.dk>, Willy Tarreau <w@1wt.eu>
Cc: "Roy T. Fielding" <fielding@gbiv.com>, Martin Thomson <mt@lowentropy.net>, ietf-http-wg@w3.org
References: <D99820F1-D169-468E-BA31-68AA710C3CC4@mnot.net> <1645485d-84da-4b74-8fb1-d487394ba89a@www.fastmail.com> <627257EE-FE78-40A6-AA91-9E488C53A8FC@gbiv.com> <8113.1556816199@critter.freebsd.dk> <20190502174129.GF32325@1wt.eu> <8403.1556819980@critter.freebsd.dk>
From: Julian Reschke <julian.reschke@gmx.de>
Message-ID: <4d86289c-26fb-5add-5734-f4aff8cdb7fd@gmx.de>
Date: Thu, 02 May 2019 20:19:34 +0200
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Subject: Re: Empty lists in Structured Headers (#781)
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On 02.05.2019 19:59, Poul-Henning Kamp wrote:
> --------
> In message <20190502174129.GF32325@1wt.eu>, Willy Tarreau writes:
>
>> I think that the opposition against support of empty values only came
>>from an almost inexistent need at a moment [...]
>
> As far as I could tell, that was a completely nonexistent need, but
> to me it matters little if we are trying to generalize from only
> one example or from no example at all.
>
> And please remember that SH is a meta-specification, a specification
> to write other specifications with.
>
> If a documented use case appears and a concensus for how to meet
> its needs can be found, publishing a SHbis will not hurt anybody,
> or create any compatibility issues since the specs that references
> SHorig are not changed by SHbiss mere existence.

Hmm.

So do yo envision implementers to have multiple code paths for SH,
SHbis, SHbisbis???

Best regards, Julian

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