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Re: [Json] Erratum update: "JSON is a subset of JavaScript"

Rob Sayre <sayrer@gmail.com> Tue, 29 August 2023 19:12 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Tue, 29 Aug 2023 12:12:00 -0700
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To: Carsten Bormann <cabo@tzi.org>
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Subject: Re: [Json] Erratum update: "JSON is a subset of JavaScript"
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On Tue, Aug 29, 2023 at 11:58 AM Carsten Bormann <cabo@tzi.org> wrote:

> On 2023-08-29, at 20:44, Rob Sayre <sayrer@gmail.com> wrote:
> >
> > So, I think we can reject this one, as the proposed change will become
> increasingly incorrect.
>
> Indeed.
>
> RFC 8259 references “ECMAScript Programming Language Standard, Third
> Edition [ECMA-262]”, for which the errata report is valid.
> But “JavaScript" is what it is now, so this errata report no longer serves
> a purpose.
> (One could explain that there used to be a problem with that statement,
> and that the problem is now fixed.  But it is enough to explain this in the
> verifier notes.)
>
> Sometimes letting an errata report sit for half a decade does have its
> advantages :-)
>

Yes. I thought about that reference to the third edition, but ECMA-262 is
only an informative reference. Besides, ES5 was completed in 2009, so it
was a really old reference at the time the RFC was published.

The words "subset of JavaScript" appear twice. The first instance, about
design goals, is not an error. These two characters happened to foil the
design goals. The second instance is in the Security Considerations, and I
think this distinction is not too important there. Now, the issue is fixed.

thanks,
Rob

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