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Date: Fri, 14 Feb 2003 14:00:34 -0500 (EST)
From: Dwight Kelly <dkelly@apago.com>
To: tiff@olympiakos.com
Subject: Re: Oldstyle JPEG producer
In-Reply-To: <3DEF72F5.6040208@authentidate.de>
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Here is the response I received from PixTran regarding their software
producing Old Style JPEG (COMPRESSION=6) instead of the modern way
COMPRESSION=7.

-----

Regarding SR # 63603153 - TIFF with compression type 7:

Thank you for the link:
http://partners.adobe.com/asn/developer/graphics/graphics.html However,
there is nothing in that document that says that Compression=7 is now a
standard.  Adobe may have implemented that compression in their software,
which they can do, but per http://www.libtiff.org TIFF spec 6 is the
current standard, and Compression=7 as a recommendation.

Since Adobe is using this compression in their software, we should add
this enhancement to our toolkits.  However, I don't see us making
compression=6 obsolete since compression=6 still is current in the latest
TIFF Specification (6.0).



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