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

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: larsi <at> gnus.org, pogonyshev <at> gmail.com, 19392 <at> debbugs.gnu.org
Subject: bug#19392: Emacs searches for dabbrevs in archive buffers
Date: Sat, 23 Oct 2021 09:53:18 +0300

> From: Stefan Kangas <stefan <at> marxist.se>
> Date: Fri, 22 Oct 2021 19:43:18 -0400
> Cc: Eli Zaretskii <eliz <at> gnu.org>, pogonyshev <at> gmail.com, 19392 <at> debbugs.gnu.org
> 
> Lars Ingebrigtsen <larsi <at> gnus.org> writes:
> 
> > Eli Zaretskii <eliz <at> gnu.org> writes:
> >
> >>> 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?
> >
> > It's a user option, so we shouldn't add things to it dynamically, but we
> > could add a default that excludes these files.  The problem is, though,
> > that that would be a very complex regexp matching everything that
> > arc/tar/image modes covers, which is quite a lot.
> >
> > The user option thing also goes for `dabbrev-ignored-buffer-names'.
> 
> Shouldn't we rather have a defcustom to ignore certain major modes?
> The name could be `dabbrev-ignored-major-modes'.

I don't necessarily object, but don't the existing defcustom's already
cover that, via buffer names?  We shouldn't over-engineer this, I
think.

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