Re: [I18ndir] [art] Just uploaded draft-bray-unichars-03

[Asmus Freytag <[e-mail]>]

On 9/8/2023 1:55 PM, Rob Sayre wrote:
> On Fri, Sep 8, 2023 at 1:16 PM Rob Sayre <[e-mail]> wrote:
>
>     On Fri, Sep 8, 2023 at 12:38 PM Tim Bray <[e-mail]> wrote:
>
>         See https://www.ietf.org/archive/id/draft-bray-unichars-03.html
>
>         A bunch of minor corrections and improvements, thanks to
>         everyone for that, especially James Manger for noticing that
>         the ABNF was entirely wrong in one place.
>
>         The word “useless” has been replaced by “legacy”.
>
>         I think the feedback was pretty clear that the draft needed to
>         be more opinionated; just because we document the existence of
>         the default JSON repertoire (“all the code points”) doesn’t
>         mean that anyone should use it in the present or future. So,
>         introduced a new section “Refining Character Repertoires” to
>         highlight those issues and offer a suggestion.
>
>
>     This one is tougher and correct. Fully in favor.
>
> I do think you missed discussion of escape sequences, though. For 
> example, you can create an absolutely infuriating sequence of 
> surrogate characters in JSON while the document is correct UTF-8. This 
> dual layering needs to be discussed for anyone that is trying to 
> figure this stuff out. We're not writing for the people on this 
> mailing list. It's for the people that show up later.

There is a distinction between repertoire and string syntax.

Repertoire should be interpreted as precluding end-runs using character 
escapes.

A./

>
> thanks,
> Rob
>
>