GNU bug report logs - #19392
Emacs searches for dabbrevs in archive buffers

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: pogonyshev <at> gmail.com, 19392 <at> debbugs.gnu.org
Subject: bug#19392: Emacs searches for dabbrevs in archive buffers
Date: Wed, 14 Jul 2021 20:37:03 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Paul Pogonyshev <pogonyshev <at> gmail.com>,  19392 <at> debbugs.gnu.org
> Date: Wed, 14 Jul 2021 18:19:01 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Note that Emacs only searches other buffers if it cannot find matches
> > in the current one, or exhausts the ones from the current buffer.  And
> > we already support dabbrev-select-buffers-function,
> > dabbrev-ignored-buffer-names, and dabbrev-ignored-buffer-regexps,
> > which could fine-tune which other buffers are searched.
> 
> We do have all of that, but I think that it would be reasonable (by
> default) for `dabbrev--select-buffers' to ignore these "binary"
> buffers.  Because the data there is mostly noise.

If you want to do that, why not just add the appropriate regexp(s) to
dabbrev-ignored-buffer-regexps?

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