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Re: `save-exursion' makes a comeback!


From: David Kastrup
Subject: Re: `save-exursion' makes a comeback!
Date: Tue, 15 Mar 2011 17:11:33 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

"Drew Adams" <address@hidden> writes:

>> > Forget about `save-excursion' "saving" or "restoring" or
>> > "hiding" or "protecting" anything.  Forget about it "defeating"
>> > or being "defeated".  Forget all of that right now.
>> >
>> > The real name of `save-excursion' is `come-back-here'.
>> > Just remember that and Bob's your uncle.
>> 
>> M-: (with-temp-buffer (let ((b (current-buffer))) (save-excursion
>>     (set-buffer "*scratch*") (kill-buffer b))) (current-buffer)) RET
>
> Yes, David.  I explicitly mentioned that case before (though that was
> no doubt lost in the bit torrent).

Don't start a new thread if you want to refer to hypothetical material
from a different thread.  If you just want to change the topic,
something like

f C-c C-f s

is your friend and retains the thread references if you are using Gnus.
If you happen to prefer mail readers from Microsoft, you should be able
to find the respective functionality in their documentation, and if not,
manually changing the subject line appropriate should still be possible.

-- 
David Kastrup


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