From: Leo <sdl.web@gmail.com>
To: bug-gnu-emacs@gnu.org
Cc: emacs-pretest-bug@gnu.org
Subject: bug#3356: 23.0.93; Loss of undo info in calc
Date: Sun, 24 May 2009 01:25:20 +0100 [thread overview]
Message-ID: <xbai3aavuz2n.fsf@cam.ac.uk> (raw)
In-Reply-To: 87my93g6rc.fsf@gmail.com
On 2009-05-23 16:48 +0100, Jay Belanger wrote:
>> 1. M-x calc
>> 2. do some calculation for example: ' sqrt ( x ) RET a t x 5 RET
>> 3. type q to quit calc
>> 4. M-x calc to bring it back
>> 5. type U
>>
>> You will get "No further undo information is available".
>
> calc-quit sets the undo list to nil on purpose, probably to save limited
> memory in the early days. If there are still memory considerations,
> then calc-quit could truncate the undo list rather than remove it,
I think it should do its best to protect user's data. This option seems
very desirable.
> otherwise it'd be easy to have calc-quit not do anything with the undo
> list.
--
.: Leo :. [ sdl.web AT gmail.com ] .: I use Emacs :.
next prev parent reply other threads:[~2009-05-24 0:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-23 13:15 bug#3357: 23.0.93; Loss of undo info in calc Leo
2009-05-23 15:48 ` bug#3356: " Jay Belanger
2009-05-24 0:25 ` Leo [this message]
2009-08-02 14:21 ` Leo
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