Re: CFD: eXIf 2017-05-31

On Thu, Jun 8, 2017 at 6:41 AM, Glenn Randers-Pehrson <[email protected]> wrote:
> On Thu, Jun 8, 2017 at 1:10 AM, Cosmin Truta <[email protected]> wrote:
>
>> I'm not sweating too much over this. If we can replace this word from
>> the CFD to the CFV (without going through another CFD round), great. I
>> personally find it useful to have EXIF profiles larger than 64KB, for
>> example, to be able to store the preview image (which is different
>> than, and larger than the thumbnail image) inside EXIF, rather than
>> outside. Storing the preview outside EXIF leaves a dangling pointer
>> inside EXIF. Not a problem with TIFF, but a problem with JPEG. By
>> imposing this limit in PNG, then PNG would inherit the same problem as
>> JPEG. Changing the above two words from "must" to "should" would
>> resolve this problem.
>
> I agree.  The phrase should say
>
>     "should not exceed 64 kbytes, so it could fit into a JPEG APP1 marker"

Actually, in the context, "must" is correct, because it's subordinate to

    "if the Exif profile is converted to JPEG..."

Glenn

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