Seems reasonable.  Thanks for the warning on the required white space 
engineering.

Scott K

On February 27, 2023 6:05:11 PM UTC, John Levine <jo...@taugh.com> wrote:
>It appears that Tim Wicinski  <tjw.i...@gmail.com> said:
>>-=-=-=-=-=-
>>
>>I agree that we should fix this tolerance in the bis document.
>
>I made a pull request.  The change is four characters but the pull request
>looks complicated because I had to futz with whitespace to keep xml2rfc
>from complaining that things are too wide.
>
>R's,
>John
>
>>On Mon, Feb 27, 2023 at 9:48 AM Murray S. Kucherawy <superu...@gmail.com>
>>wrote:
>>
>>> On Mon, Feb 27, 2023 at 2:29 AM Tõnu Tammer <tonu=40cert...@dmarc.ietf.org>
>>> wrote:
>>>
>>>> I am curious to know what the stance is on trailing whitespace within
>>>> DMARC records.
>>>>
>>>> Strictly following the RFC 7489 and the formal specification in section
>>>> 6.4, if there is no trailing dmarc-sep with the associated semicolon,
>>>> trailing whitespace is not allowed.
>>>>
>>>>
>>>>
>>>> For example a record like: "v=DMARC1; p=reject; pct=100 " would be
>>>> invalid,
>>>> whereas "v=DMARC1; p=reject; pct=100 ; " would be valid.
>>>>
>>>
>>> I think your interpretation is correct, that's what the specification
>>> says.  A parser would be right to reject it.
>>>
>>> As an implementer, I would probably tolerate this.  Trailing whitespace
>>> has almost never been something worth failing on in my experience.
>>>
>>> I would also suggest that the working group discuss making such tolerance
>>> explicit in the bis document if it's not too late to add a small issue for
>>> consideration.
>>>
>>> -MSK, no hat on
>>> _______________________________________________
>>> dmarc mailing list
>>> dmarc@ietf.org
>>> https://www.ietf.org/mailman/listinfo/dmarc
>>>
>>
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