From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Juri Linkov <juri@jurta.org>
Cc: 'Kevin Rodgers' <kevin.d.rodgers@gmail.com>,
Drew Adams <drew.adams@oracle.com>,
emacs-devel@gnu.org
Subject: Re: new buffer - should its mode reflect its name when the name matches auto-mode-alist?
Date: Fri, 25 Sep 2009 10:16:28 -0400 [thread overview]
Message-ID: <jwvtyyrgljl.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87fxabmk8d.fsf@mail.jurta.org> (Juri Linkov's message of "Fri, 25 Sep 2009 12:04:05 +0300")
>> I'm not opposed to such a change but I think it would need to come
>> together with a cleanup of the "default-major-mode" thingy: currently,
>> the major-mode of a buffer is either set (in set-buffer-major-mode) as
>> (default-value 'major-mode) or (if that's nil) is inherited from the
>> major-mode of the current-buffer (unless that major-mode has the
>> `mode-class' property set to `special').
>>
>> In practice, for 99% of the users, (default-value 'major-mode) is
>> fundamental-mode, so the rest is very rarely used, which can lead to
>> corner-case bugs, of course.
> Using (setq-default major-mode 'normal-mode) would be a good default.
> Currently this runs into an infinite recursion. However, the following
> succeeds:
> (setq-default major-mode
> (lambda () (let ((buffer-file-name (buffer-name)))
> (set-auto-mode))))
That's also an alternative, yes.
So how 'bout the following:
- we (setq-default major-mode ..) along the lines of the above proposal.
- we get rid of the special case "or (if that's nil) is inherited from
the major-mode of the current-buffer (unless that major-mode has the
`mode-class' property set to `special')."
- but we only do that for Emacs-24.
The reason why I want to delay it to Emacs-24, is because I'm worried
that it may introduce bugs in very rare corner cases which will only
show up after a long testing period.
Stefan
next prev parent reply other threads:[~2009-09-25 14:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 14:31 new buffer - should its mode reflect its name when the name matches auto-mode-alist? Drew Adams
2009-09-22 14:47 ` Deniz Dogan
2009-09-22 15:07 ` Drew Adams
2009-09-23 20:50 ` Mathias Dahl
2009-09-24 21:07 ` Juri Linkov
2009-09-24 2:31 ` Kevin Rodgers
2009-09-24 3:14 ` Drew Adams
2009-09-24 21:32 ` Juri Linkov
2009-09-24 22:01 ` Drew Adams
2009-09-25 0:38 ` Stefan Monnier
2009-09-25 9:04 ` Juri Linkov
2009-09-25 14:16 ` Stefan Monnier [this message]
2009-09-29 23:11 ` Juri Linkov
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