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Re: support for non-ASCII in strings, was: signatures vs sf-date

"Roy T. Fielding" <fielding@gbiv.com> Fri, 02 December 2022 19:44 UTC

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From: "Roy T. Fielding" <fielding@gbiv.com>
In-Reply-To: <202212021918.2B2JIBHC007228@critter.freebsd.dk>
Date: Fri, 02 Dec 2022 11:43:26 -0800
Cc: Julian Reschke <julian.reschke@gmx.de>, ietf-http-wg@w3.org
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References: <2070c8e0-98d6-7b63-77c3-550bcd661397@gmx.de> <202212011735.2B1HZYgm004808@critter.freebsd.dk> <e580db7e-c0ec-0f1a-17af-5719ab09468c@gmx.de> <202212020810.2B28ALnL004331@critter.freebsd.dk> <eee5a787-da37-feb1-098a-7d2d9c0f1d37@it.aoyama.ac.jp> <202212020848.2B28mGbc004600@critter.freebsd.dk> <4e251954-afb6-fa08-616c-db95e23ad1fd@gmx.de> <202212020946.2B29kSe6004829@critter.freebsd.dk> <75dad0c0-e3bb-1189-0c16-e8275d3879ff@gmx.de> <202212021016.2B2AGvEP004972@critter.freebsd.dk> <9990b393-93ff-75af-4e14-de4f6ba3366c@gmx.de> <7b7f714d-890e-db90-4922-cfbc46b3e999@gmx.de> <202212021129.2B2BTY9f005362@critter.freebsd.dk> <b1d3af79-373f-a9af-7ff9-39f5f44915f0@gmx.de> <202212021214.2B2CEUQx005654@critter.freebsd.dk> <7a93fa17-38fe-5fa8-54ed-a726ab9d5a39@gmx.de> <841DC85E-F936-4350-A74F-170D22E6ADCE@gbiv.com> <202212021918.2B2JIBHC007228@critter.freebsd.dk>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Subject: Re: support for non-ASCII in strings, was: signatures vs sf-date
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> On Dec 2, 2022, at 11:18 AM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> 
> --------
> Roy T. Fielding writes:
> 
>> FWIW, there is nothing technical preventing a requirement that sf fields
>> support UTF-8 by default.
> 
> (... provided they are somehow escaped into USASCII visibility.)

No, I meant UTF-8, as in coded 8-bit unicode. They don't interfere with parsing
when inside a not-yet-standard field-value, whether or not it is a structured field.
They are, of course, not allowed in current sf field values, but I am not aware of
any implementations that invoke an sf parser on unknown fields.

....Roy

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