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Re: [Acme] Benjamin Kaduk's No Objection on draft-ietf-acme-caa-09: (with COMMENT)

Hugo Landau <hlandau@devever.net> Thu, 20 June 2019 20:55 UTC

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Date: Thu, 20 Jun 2019 21:55:51 +0100
From: Hugo Landau <hlandau@devever.net>
To: Barry Leiba <barryleiba@computer.org>
Cc: Benjamin Kaduk <kaduk@mit.edu>, The IESG <iesg@ietf.org>, acme@ietf.org, Daniel McCarney <cpu@letsencrypt.org>, draft-ietf-acme-caa@ietf.org, acme-chairs@ietf.org, rdd@cert.org
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Subject: Re: [Acme] Benjamin Kaduk's No Objection on draft-ietf-acme-caa-09: (with COMMENT)
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On Thu, Jun 20, 2019 at 09:52:40PM +0100, Hugo Landau wrote:
> > I note (and thanks for the heads-up, Ben) that there's new ABNF in
> > Section 4 of this version.  I have a DISCUSS-level question on it.
> > 
> > The ABNF allows for the value of "validationmethods" to be empty, but
> > the first paragraph of Section 4 says, "The value of this parameter,
> > if specified, MUST be a comma-separated string of validation method
> > labels," which implies that it can't be empty.
> > 
> > Which is intended?  If it's mean to be allowed to be empty, please
> > change the text to make that clear.  If not, then please remove the
> > square-brackets on the ABNF for "value"; that will make it require at
> > least one label.
> By "string of validation method labels", I meant zero or more. I'll
> amend it to clarify this.
Pushed to repo [1]. I'll push a new I-D in an hour or two barring any
objections.

[1] https://github.com/ietf-wg-acme/acme-caa/commit/283efb4a76eaccf320243e1f395a211dd8737472

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