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From: Juanma Barranquero <lekktu@gmail.com>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: [Emacs-diffs] /srv/bzr/emacs/trunk r108836: Cleanup basic buffer management.
Date: Tue, 3 Jul 2012 17:35:07 +0200	[thread overview]
Message-ID: <CAAeL0SREVrPgbwK25Bs26tCK_1wm1MH=U1Lyu5eKK+PWXqaY_g@mail.gmail.com> (raw)
In-Reply-To: <E1SluYA-0006Vd-1m@vcs.savannah.gnu.org>

Before 108836, this worked:

(setq-default major-mode (lambda () ...))
(find-file ...)

Now it fails; major-mode gets assigned some bogus value.

This is what I was using, BTW:

  (setq-default major-mode
                (lambda ()
                  (if buffer-file-name
                      (fundamental-mode)
                    (let ((buffer-file-name (buffer-name)))
                      (set-auto-mode)))))

but just

  (setq-default major-mode (lambda () (fundamental-mode)))

is enough to show the problem.

Setting major-mode to a lambda expression is undocumented, and the
workaround for my problem is just adding a defun, so this is not
exactly a bug report. But perhaps you'll want to check whether the
change has other subtle implications.

  Juanma



       reply	other threads:[~2012-07-03 15:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1SluYA-0006Vd-1m@vcs.savannah.gnu.org>
2012-07-03 15:35 ` Juanma Barranquero [this message]
2012-07-04 11:39   ` [Emacs-diffs] /srv/bzr/emacs/trunk r108836: Cleanup basic buffer management Dmitry Antipov
2012-07-04 11:45     ` Juanma Barranquero
2012-07-04 15:51       ` Dmitry Antipov

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