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Re: `auto-compression-mode' is dangerous (and not needed) in Emacs 21, a
Re: `auto-compression-mode' is dangerous (and not needed) in Emacs 21, and ought to be disabled.
Tue, 8 Jan 2002 11:03:29 +0200 (IST)
On 7 Jan 2002, Eric Hanchrow wrote:
> * Try to save:
> C-x C-s
> Note that Emacs asks you if you'd like to `Write hey.gz using
> gzip'. Since that sounds reasonable, answer yes by typing `y'.
> Now Emacs asks you to select a coding system. I have no idea what
> this means, but accepting the default (utf-8) seems like the
> reasonable thing to do, so hit RET. Note that Emacs asks the same
> question again. This is puzzling. Hit RET again. Now Emacs seems
> happy -- it prints `Wrote /tmp/hey.gz' in the echo area.
> However, examine the file /tmp/hey.gz, and you'll see that it
> doesn't contain what I'd expect it to: you can uncompress it with
> `uncompress /tmp/hey.gz', but the resulting file isn't the words
> `hey you What up?', but rather a bunch of apparently random
> characters, which the `file' program describes as merely `data'.
> This is scary.
I cannot reproduce this: your recipe works for me as I'd expect.
Specifically, it does _not_ ask me about any coding systems, not even
once, and the file created is a valid gzip-compressed file with the
edited contents, including "What up?".
So I suspect some add-on package that lurks on your load-path,
especially since you didn't use --no-site-file when invoking Emacs.
> Since auto-compression-mode seems not to be required with Emacs21
I cannot reproduce this either: if I don't turn on
auto-compression-mode, I get the uncompressed binary garbage in my
buffer when I visit hey.gz.