Re: ding and compression mode

[Reiner Steib <reinersteib+gmane@imap.cc>]

On Sun, Sep 30 2007, Randal L. Schwartz wrote:

> Back a few years ago, I was able to compress (using an external process)
> my "fatter" nnml email, and setting
>
>  '(auto-compression-mode t nil (jka-compr))
>
> was enough to work properly.  The email stayed compressed until I visited the
> actual file, and then it ballooned into the original size if I made any
> changes, until the nightly process made it smaller again.  I'm a little fuzzy
> on that last point... it might just have worked to recompress it.
>
> However, some time in the recent releases (as in, in the past year or so),
> this stopped working.  

Please be more specific about the version numbers.  Gnus 5.10.8 (the
one you are using now) has been released on 2006-04-11.  So I don't
know what other (older) version you mean.

In No Gnus, the development version there is
`nnml-compressed-files-size-threshold' and `nnml-use-compressed-files'
allows to specify a different compression program beside gzip:

,----[ (info "(gnus)Mail Spool") ]
| `nnml-use-compressed-files'
|      If non-`nil', `nnml' will allow using compressed message files.
|      This requires `auto-compression-mode' to be enabled (*note
|      Compressed Files: (emacs)Compressed Files.).  If the value of
|      `nnml-use-compressed-files' is a string, it is used as the file
|      extension specifying the compression program.  You can set it to
|      `.bz2' if your Emacs supports it.  A value of `t' is equivalent to
|      `.gz'.
| 
| `nnml-compressed-files-size-threshold'
|      Default size threshold for compressed message files.  Message
|      files with bodies larger than that many characters will be
|      automatically compressed if `nnml-use-compressed-files' is
|      non-`nil'.
`----

The feature (nnml-use-compressed-files) was introduced on 2002-01-26
(Oort Gnus 0.06) i.e. before 5.10.

> Visiting these emails showed up as a "file not found".  For now,
> I've uncompressed everything, but I'm wondering if anyone is aware
> of a change that would have broken this for NNML.
>
> I'm sorry I can't narrow it down to anything better than "recent release".  I
> was too busy at the time to track it down.

Bye, Reiner.
-- 
       ,,,
      (o o)
---ooO-(_)-Ooo---  |  PGP key available  |  http://rsteib.home.pages.de/