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Date: Wed, 3 Sep 2003 13:34:30 -0400
From: Rahul Siddharthan <rsidd@online.fr>
To: "Gary W. Swearingen" <underway@comcast.net>
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Gary W. Swearingen wrote:
> Terry Lambert <tlambert2@mindspring.com> writes:
> > Adobe gives away only the viewer.  They sell the creation tool,
> > and they do not give away source code to the viewer.  They guard
> > the file format and third party tools via vigorous enforcement
> > practices utilizing all tools at their disposal, including the
> > DMCA.
> 
> Please explain further.  I thought that PDF was a sort of
> PostScript-ng, with an unobfuscated (or even documented) file format.

Yes and no.  For xpdf's take on it, see
http://www.foolabs.com/xpdf/cracking.html

> Does Adobe think
> its developers and/or users copyright infringers under the DMCA?

Haven't you heard of the Sklyarov case?  Google for it, see in
particular the EFF site.
http://www.eff.org/IP/DMCA/US_v_Elcomsoft/us_v_sklyarov_faq.html

Rahul