Re: CFD: eXIf 2017-05-31

Glenn Randers-Pehrson <[email protected]> Fri, 2 Jun 2017 10:57:12 -0400
Newsgroups gmane.comp.graphics.png.general
Message-ID <CA+PdXcsmOzQ-wPjaNNTcmkJPPc2g7vAex3E9LEQGZHYvvjKWHg@mail.gmail.com>
On Fri, Jun 2, 2017 at 10:47 AM, Pavel Zlatovratskii <[email protected]> wrote:
>
>
> 02.06.2017 17:33, Glenn Randers-Pehrson пишет:
>>
>>
>>>> Exceptions are specific software development scenarios where you happen
>>>> to
>>>> have
>>>> "independent knowledge" -- which is when you happen to *know* that the
>>>> EXIF data is coming from a source within your trust and control. But
>>>> these are only exceptions.
>>>
>>> I think there is no need to specify such exceptions in main
>>> specification.
>>
>> I don't think the current proposal lists such exceptions.  They appear in
>> a table in the Exif spec.
>
> By "exception" I mean sentence "a decoder has independent knowledge of the
> validity of the Exif data,".
> If decoder have a truly trustworthy knowledge about validity of the EXIF
> data then it already know what to do.

We already tried a proposal without that sentence and it was voted
down.  The sentence is there to help make the proposal acceptable.

Glenn

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