empty lists?, was: Last Call: <draft-ietf-httpbis-header-structure-18.txt> (Structured Field Values for HTTP) to Proposed Standard

Julian Reschke <julian.reschke@gmx.de> Mon, 18 May 2020 13:09 UTC

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From: Julian Reschke <julian.reschke@gmx.de>
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Date: Mon, 18 May 2020 15:06:02 +0200
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Subject: empty lists?, was: Last Call: <draft-ietf-httpbis-header-structure-18.txt> (Structured Field Values for HTTP) to Proposed Standard
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On 13.05.2020 05:59, Julian Reschke wrote:
> ...

Another late commment...

<https://greenbytes.de/tech/webdav/draft-ietf-httpbis-header-structure-18.html#rfc.section.3.1>:

> 3.1. Lists
>
> Lists are arrays of zero or more members, each of which can be an Item (Section 3.3) or an Inner List (Section 3.1.1), both of which can be Parameterized (Section 3.1.2).
>
> The ABNF for Lists in HTTP fields is:
>
> sh-list       = list-member *( *SP "," *SP list-member )
> list-member   = sh-item / inner-list


So the prose says zero elements are allowed, but the ABNF actually
requires one element.

One of these is incorrect...

Best regards, Julian