Re: DRAFT: eXIf 2017-02-28

Pavel Zlatovratskii <[email protected]> Thu, 2 Mar 2017 22:33:01 +0300
Newsgroups gmane.comp.graphics.png.general
Organization TB.Budget
Message-ID <[email protected]>
However format of *data* is not described in this paragraph. There is 
some reference to format of data in clause D and E(yet no point to exact 
paragraph).

Explicit is better than implicit. That's why I propose to write some 
clear reference to format of data instead of reference to JPEG-specific 
items. And(as side-effect) get rid of unuseful *assuming*.

I see no reason to mention JPEG. If there is some - please name it.

I don't want to say that current proposal is bad as it refers JPEG part 
of EXIF. I just want to say it could be better with more clear reference.

02.03.2017 19:53, John Bowler пишет:
> The section seems clear to me; the reference is to the format of the
> *data*, not the format of the *chunk* (PNG) or the *marker* (JPEG).
> Indeed, IRC, CIPA points out that JPEG (not CIPA/EXIF) limits the
> length to 64k.
>
> Since this is the only example, so far as I know, of EXIF embedded in
> a foreign file format the reference is useful.  I think we have to
> assume that the reader of the PNG spec will appreciate that references
> to JPEG specific items in that section have to be interpreted with
> respect to the corresponding features in PNG.
>
> John Bowler
>
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-- 
Have a nice DOS.

Pavel Zlatovratskii [email protected]; [email protected]


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