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From: I409@DMAFHT1.BITNET (KRS)
Newsgroups: comp.sys.apple2
Subject: Re: LZH/ZIP
Message-ID: <9106280755.AA10746@apple.com>
Date: 28 Jun 91 09:51:53 GMT
Sender: usenet@ucbvax.BERKELEY.EDU
Organization: The Internet
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.
 BERKELEY.EDU>

I'm talking about GSHK 1.0.4 indeed.
It supports unpacking of ARC and ZIP Files, BUT NOT LZH and ZOO...
But this is mentioned in the manual ("Foreign Archives")

KRS