Intentional or not but it is completely wrong because the output is
e"\u{301}" not e\u{301} (outer quotes omitted for clarity). Implementations
don't need to do anything special here. Same with the new example you
provided.

- Victor

On Fri, Nov 25, 2022 at 6:59 AM Tom Honermann <tom_at_[hidden]> wrote:

> On 11/24/22 12:16 PM, Victor Zverovich wrote:
>
> As promised here's a paper with the wording for the approved escaping
> changes: https://isocpp.org/files/papers/P2713R0.html.
>
> Note that one example in https://github.com/cplusplus/nbballot/issues/515
> (the one that uses s8) is incorrect so I didn't include it.
>
> That example was intentional. The example is:
>
> string s8 = format("e{:?}", "\u0301"); // s8 has value "e\u{301}"
> // (the combining
> character is escaped since it does
> // not follow a
> non-escaped non-combining character
> // produced from the same
> field)
>
> The formatted field argument begins with a combining character. I wrote
> this example with the assumption that we don't want to require
> implementations to have to be aware of characters from outside of the field
> content to be formatted as that seems like it would introduce additional
> complexity that is not required today; please correct me if I'm mistaken.
>
> A similar example follows. We certainly wouldn't want the combining
> character from the field to combine with the escaped tab character sequence
> in this case.
>
> string s9 = format("\t{:?}", "\u0301"); // s9 has value
> "\t\u{301}"
> // (the combining
> character is escaped since it does
> // not follow a
> non-escaped non-combining character
> // produced from the same
> field)
>
> Tom.
>
>
> Cheers,
> Victor
>
> On Fri, Nov 11, 2022 at 6:20 PM Bryce Adelstein Lelbach aka wash <
> brycelelbach_at_[hidden]> wrote:
>
>> Please email me when you have it.
>>
>> On Fri, Nov 11, 2022 at 1:58 PM Victor Zverovich <
>> victor.zverovich_at_[hidden]> wrote:
>>
>>> > Can you have it available for our November 30th meeting (that I still
>>> need to create a calendar entry for)?
>>>
>>> Sure.
>>>
>>> - Victor
>>>
>>> On Fri, Nov 11, 2022 at 1:56 PM Tom Honermann <tom_at_[hidden]> wrote:
>>>
>>>> Can you have it available for our November 30th meeting (that I still
>>>> need to create a calendar entry for)?
>>>>
>>>> Tom.
>>>> On 11/11/22 6:54 PM, Victor Zverovich via Lib-Ext wrote:
>>>>
>>>> I am putting together a paper but it won't be ready today and
>>>> probably needs to be looked at by SG16 to check the wording.
>>>>
>>>> - Victor
>>>>
>>>> On Fri, Nov 11, 2022 at 1:48 PM Corentin <corentin.jabot_at_[hidden]>
>>>> wrote:
>>>>
>>>>> I think Victor is working on it, I'm happy to co author.
>>>>>
>>>>> On Fri, Nov 11, 2022, 13:44 Bryce Adelstein Lelbach aka wash <
>>>>> brycelelbach_at_[hidden]> wrote:
>>>>>
>>>>>> We voted to resolve format escaping NB comments US-38-098 and
>>>>>> FR-005-134 at the 2022-11 Kona meeting in both SG16 and Library Evolution.
>>>>>>
>>>>>> However, the resolution we voted on is not as simple as "adopt the
>>>>>> proposed resolution in the comments". It took me 10 minutes of reading
>>>>>> minutes and poll results to determine what exactly we had approved.
>>>>>>
>>>>>> Therefore, I'm going to need a short paper that resolves these NB
>>>>>> comments for the Library Evolution electronic poll. It should have a brief
>>>>>> overview and motivation (I'm not looking for much there) and the specific
>>>>>> wording that resolves these NB comments.
>>>>>>
>>>>>> Ideally, I'd get the paper today, or at least by 2022-11-14 so that
>>>>>> it can be included in the post meeting Library Evolution polls. At the
>>>>>> latest, I'd need it by 2023-01-01.
>>>>>>
>>>>>> --
>>>>>> Bryce Adelstein Lelbach aka wash (he/him/his)
>>>>>> US Programming Language Standards Chair
>>>>>> ISO C++ Library Evolution Chair
>>>>>> Principal Architect @ NVIDIA
>>>>>> --
>>>>>>
>>>>>
>>>> _______________________________________________
>>>> Lib-Ext mailing listLib-Ext_at_[hidden]
>>>> Subscription: https://lists.isocpp.org/mailman/listinfo.cgi/lib-ext
>>>> Link to this post: http://lists.isocpp.org/lib-ext/2022/11/24215.php
>>>>
>>>>
>>
>> --
>> Bryce Adelstein Lelbach aka wash (he/him/his)
>> US Programming Language Standards Chair
>> ISO C++ Library Evolution Chair
>> Principal Architect @ NVIDIA
>> --
>>
>