Re: [Cbor] [Technical Errata Reported] RFC8610 (6527)

Doug Ewell <doug@ewellic.org> Wed, 14 April 2021 14:25 UTC

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From: "Doug Ewell" <doug@ewellic.org>
To: "'Carsten Bormann'" <cabo@tzi.org>, "'Sean Bartell'" <smbarte2@illinois.edu>
Cc: <christoph.vigano@uni-bremen.de>, "'Henk Birkholz'" <henk.birkholz@sit.fraunhofer.de>, "'Francesca Palombini'" <francesca.palombini=40ericsson.com@dmarc.ietf.org>, <cbor@ietf.org>, "'Murray S. Kucherawy'" <superuser@gmail.com>, =?utf-8?Q?'Christian_Ams=C3=BCss'?= <christian@amsuess.com>, "'Barry Leiba'" <barryleiba@computer.org>
References: <20210411161045.9648FF40799@rfc-editor.org> <4986660B-EDCC-4D07-A74E-BBEBE698721D@tzi.org> <2E410DD1-D0E2-4137-B7E7-7FB18CF71971@tzi.org> <CALaySJJAzJgtQY9wuF1dgCQRfTSAz3Ofva-N-EwqcFGo_d6XEw@mail.gmail.com> <513F7F4F-E791-4B96-AF3E-42A7B1447EF7@ericsson.com> <73c7a676bea744e48390f9fdb2639843@DM6PR11MB3834.namprd11.prod.outlook.com> <5a2abb26-2a17-4b1b-b491-7bac8485e69a@www.fastmail.com> <DF1E72C2-D300-4561-A991-60D48F6EC027@tzi.org>
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Date: Wed, 14 Apr 2021 08:25:38 -0600
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Subject: Re: [Cbor] [Technical Errata Reported] RFC8610 (6527)
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Carsten Bormann replied to Sean Bartell:

>> This ABNF looks correct to me, but it obfuscates more than it
>> clarifies.
>
> I don’t agree — it is a very clear statement of what is allowed.

I'd like to see separate ABNF definitions for UNICODE_SCALAR_VALUE, HIGH_SURROGATE, and LOW_SURROGATE, and then see 'hexchar' defined in terms of those. I think that would make it clearer what is going on.

--
Doug Ewell, CC, ALB | Lakewood, CO, US | ewellic.org