From: Jay Belanger <jay.p.belanger@gmail.com>
To: Leo <sdl.web@gmail.com>
Cc: emacs-pretest-bug@gnu.org
Subject: bug#3356: 23.0.93; Loss of undo info in calc
Date: Sat, 23 May 2009 10:48:23 -0500 [thread overview]
Message-ID: <87my93g6rc.fsf@gmail.com> (raw)
In-Reply-To: <m01vqggdup.fsf@cam.ac.uk> (Leo's message of "Sat, 23 May 2009 14:15:10 +0100")
Leo <sdl.web@gmail.com> writes:
...
> 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,
otherwise it'd be easy to have calc-quit not do anything with the undo
list.
> Incidentally, I wonder whether making the two windows dedicated is more
> desirable than current behaviour.
Maybe, but I wonder if this would cause problems in some situations.
How would full-calc be affected, for instance.
Jay
next prev parent reply other threads:[~2009-05-23 15:48 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 ` Jay Belanger [this message]
2009-05-24 0:25 ` bug#3356: " Leo
2009-08-02 14:21 ` Leo
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