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From:	"Stephen J. Turnbull" <turnbull AT sk DOT tsukuba DOT ac DOT jp>
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Subject:	Re: Emacs pretest 23.0.94 is available
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Date:	Sat, 20 Jun 2009 14:57:37 +0900
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Rugxulo writes:

 > It seems that pretty much every *nix distro out there includes Zlib
 > these days. And Zlib includes "gzopen, gzread, gzclose", so it should
 > be ridiculously easy to use that to read Gzip-compressed files from
 > within Emacs without needing an external Gzip binary. I'm surprised no
 > one has already done this.

It was done in XEmacs, but never got much play because that was before
those functions were included, so it wasn't at all trivial to read
gzipped files, although XEmacs could produce compressed files, and
read them, a la git.  Also it was a completely different API from all
of the other compressions/encodings supported by crypt++ and jkacompr.
And who cares about one system() call if you're doing something as
time-consuming as decompressing a file in an interactive context?

It may have been redone in SXEmacs.

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