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From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
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Cc: TIFF mailing list <tiff@lists.maptools.org>
Subject: Re: [Tiff] TIFFTAG_RICHTIFFIPTC : registered as TIFF_LONG but
 commonly stored as TIFF_UNDEFINED
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On Thu, 8 Feb 2018, Aaron Boxer wrote:
>
> Yes, it does :) I won't waste too many cycles on this. But, it's a shame to
> waste meta data.

Adobe spends a lot of effort on duplicating this provide in different 
places.

> I do notice that when I use graphics magick on this particular TIFF file, I
> don't get the warning
> about incompatible tags. Do you know why there is this discrepancy ?

It supports TIFFTAG_PHOTOSHOP and TIFFTAG_RICHTIFFIPTC but only uses 
TIFFTAG_RICHTIFFIPTC if TIFFTAG_PHOTOSHOP is not defined, so it seems 
that it never really uses TIFFTAG_RICHTIFFIPTC at all.

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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