Re: [rfc-i] Table of conformance requirements.

Joseph Touch <touch@strayalpha.com> Thu, 18 June 2020 17:30 UTC

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From: Joseph Touch <touch@strayalpha.com>
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Date: Thu, 18 Jun 2020 10:30:40 -0700
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To: Larry Masinter <LMM@acm.org>
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Subject: Re: [rfc-i] Table of conformance requirements.
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> On Jun 18, 2020, at 10:16 AM, Larry Masinter <LMM@acm.org> wrote:
> 
> At the time, and also now, being clear enough about conformance requirements would be a requirement for the STD series, not the RFC series.

Even the STD series has lots of requirements that cannot be tested, e.g., when the MUST is about users or deployments.

And a SHOULD or MAY is degenerately tested as “true” for all implementations because there’s no strict requirement to objectively state conditions under which exceptions hold.

Finally, there are lots of cases where requirements are nested in ways that we don’t have normative language for, e.g., MUST do A or B, unless it does C.

Joe
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