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[dispatch] Re: IETF WG state changed for draft-ietf-dispatch-mime-protobuf

Rob Sloan <rmsj@google.com> Wed, 16 July 2025 14:29 UTC

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From: Rob Sloan <rmsj@google.com>
Date: Wed, 16 Jul 2025 10:29:30 -0400
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To: Tim Bray <tbray@textuality.com>
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Subject: [dispatch] Re: IETF WG state changed for draft-ietf-dispatch-mime-protobuf
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I have applied these adjustments in this change
<https://github.com/wkumari/draft-murray-dispatch-mime-protobuf/commit/b0ea8374ea3e0a76f5105b95197cfce2e81bfef2>

> at least one of the two examples in that paragraph that mention "UTF-8"
is probably wrong

Sorry, which example are you referring to?

I have rewritten `UTF-8 encodings` as `Unicode text` as it sounds like that
is one correction to make here

On Wed, Jul 16, 2025 at 12:58 AM Tim Bray <tbray@textuality.com> wrote:

> I commented on the proposed patch in a GitHub reply, one teeny language
> nit and also on the PRECIS issue.  -T
>
> On Jul 15, 2025 at 7:24:43 PM, Murray S. Kucherawy <superuser@gmail.com>
> wrote:
>
>> Tim, are you good with this alternative proposal?
>>
>> -MSK
>>
>> On Tue, Jul 8, 2025 at 9:57 AM Rob Sloan <rmsj@google.com> wrote:
>>
>>> > Would be happy to suggest language, but this isn’t rocket science
>>>
>>> I have concurrently added this patch
>>> <https://github.com/wkumari/draft-murray-dispatch-mime-protobuf/commit/c666f8e1c6810cbc54b0e93658e1ae6ec3dc5886> which
>>> is a bit more general: please let me know whether that looks good to you
>>> and feel free to comment directly if not.
>>>
>>> On Tue, Jul 8, 2025 at 12:32 PM Tim Bray <tbray@textuality.com> wrote:
>>>
>>>> On Jul 8, 2025 at 10:26:23 AM, Rob Sloan <rmsj=
>>>> 40google.com@dmarc.ietf.org> wrote:
>>>>
>>>>> Hi Tim,
>>>>>
>>>>> > applies no restrictions to the contents of strings
>>>>>
>>>>> I am happy to add a section to encourage the safe handling of Unicode
>>>>> strings within a Protobuf encoding and cross-reference to this document.
>>>>> Your point that special or unassigned code points may cause application
>>>>> misbehavior is certainly well taken.
>>>>>
>>>>
>>>> Would be happy to suggest language, but this isn’t rocket science: “Be
>>>> aware that some Unicode code points can cause problems, which are discussed
>>>> in [UNICHARS] and [PRECIS]."
>>>>
>>>> Note that parse-time UTF-8 format enforcement on string fields is
>>>>> optional <https://protobuf.dev/editions/features/#utf8_validation> for
>>>>> backward compatibility with proto2.
>>>>>
>>>>
>>>> Didn’t know that. Blecch.  Might be worth mentioning in the doc?
>>>>
>>>> -T
>>>>
>>>

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