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From: David Kastrup <dak@gnu.org>
To: Glenn Morris <rgm@gnu.org>
Cc: "Lennart Borgman \(gmail\)" <lennart.borgman@gmail.com>,
	rms@gnu.org, emacs-devel@gnu.org
Subject: Re: The *Warnings* buffer and undo
Date: Wed, 28 Mar 2007 21:36:52 +0200	[thread overview]
Message-ID: <85abxxw46j.fsf@lola.goethe.zz> (raw)
In-Reply-To: <ndfy7qmbxj.fsf@fencepost.gnu.org> (Glenn Morris's message of "Tue\, 27 Mar 2007 20\:47\:20 -0400")

Glenn Morris <rgm@gnu.org> writes:

> Richard Stallman wrote:
>
>>     Does the *Warnings* buffer really need to save undo info? Why not set 
>>     buffer-undo-list to t in this buffer?
>>
>> I agree completely.  Would someone please do that?
>
> Do you mean this:
>
>
> *** warnings.el 21 Jan 2007 02:44:23 -0000 1.11
> --- warnings.el 28 Mar 2007 00:47:05 -0000
> ***************
> *** 237,242 ****
> --- 237,243 ----
>          (level-info (assq level warning-levels))
>               start end)
>               (with-current-buffer buffer
> +           (let ((buffer-undo-list t))

I don't think it is a good idea to let-bind buffer-undo-list here:
instead it should generally be set to t in the buffer.

Otherwise undo information will be recorded sparsely (for example, for
user input), leading to inconsistent results.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum

  reply	other threads:[~2007-03-28 19:36 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-24 20:01 The *Warnings* buffer and undo Lennart Borgman (gmail)
2007-03-25 17:27 ` Richard Stallman
2007-03-28  0:47   ` Glenn Morris
2007-03-28 19:36     ` David Kastrup [this message]
2007-03-28 20:52       ` Glenn Morris
2007-03-29 17:59       ` Richard Stallman
2007-03-29 18:35         ` David Kastrup
2007-03-30 12:42           ` Richard Stallman
2007-03-30 19:18             ` Glenn Morris
2007-03-30 19:53               ` Lennart Borgman (gmail)
2007-03-31  7:20                 ` Richard Stallman
2007-03-31 19:41                   ` Glenn Morris
2007-03-31 23:21                     ` Richard Stallman
2007-03-29 22:07         ` Miles Bader
2007-03-30 21:23           ` Richard Stallman
2007-03-30 21:45             ` Glenn Morris
2007-03-30 22:50             ` Miles Bader
2007-03-31 20:43               ` Richard Stallman
2007-04-01  0:22                 ` Miles Bader
2007-04-01  0:44                   ` Miles Bader
2007-03-29 15:32     ` Richard Stallman

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