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Article #189225

Re: Possible danger in lzh or zip modes

#189225
From: Chris Swanson
Date: Sun, 14 Apr 1991 20:57
30 lines
2085 bytes
>>>>> On 12 Apr 91 21:12:53 GMT,
>>>>> in message <9104122112.AA13847@mole.gnu.ai.mit.edu>,
>>>>> rms@GNU.AI.MIT.EDU (Richard Stallman) wrote:

rms> An Emacs mode to examine zip files probably must do lzw
rms> uncompression, which means that distributing one could get you
rms> lawsuit threats from Unisys.

rms> I don't know what lzh format is; it may have the same problem, or
rms> it may not, depending on what kind of algorithm is needed to work
rms> with those files.

lzh is the format used by the archiving program 'lharc' that is in
standard use in the Amiga community.  I believe it uses the L-Z
algorithm, so it probably does come under the Unisys patent.

rms> In the long run, the community will be better off if it makes a
rms> clean break and eliminates entirely the use of patented
rms> algorithms (unless we can overturn the patents).

rms> For more information on the problems of software patents, send mail to
rms> league@prep.ai.mit.edu.

	-Chris

--
Chris Swanson, Chem/CS/Pre-med Undergrad, St. Olaf College, Northfield,MN 55057
 DDN: (CDS6)   INTERNET:  swansonc@acc.stolaf.edu  UUCP: uunet!stolaf!swansonc
  AT&T:		Work: (507)-645-4528			Home: (507)-663-6424
	I would deny this reality, but that wouldn't pay the bills...
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References: <NELSON.91Apr12115730@sun.clarkson.edu> <9104122112.AA13847@mole.gnu.ai.mit.edu>

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From: swansonc@acc.stolaf.edu (Chris Swanson)
Newsgroups: gnu.emacs.help
Subject: Re: Possible danger in lzh or zip modes
Message-ID: <SWANSONC.91Apr14155713@grendel1.acc.stolaf.edu>
Date: 14 Apr 91 20:57:13 GMT
References: <NELSON.91Apr12115730@sun.clarkson.edu>
 <9104122112.AA13847@mole.gnu.ai.mit.edu>
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In-Reply-To: rms@GNU.AI.MIT.EDU's message of 12 Apr 91 21:12:53 GMT