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Re: going back in time


From: Andreas Politz
Subject: Re: going back in time
Date: Wed, 08 Dec 2010 15:21:04 -0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Andrea Crotti <andrea.crotti.0@gmail.com> writes:

> I was just wondering if there could be kind of undo operation for higher
> level problems.
>
> For example now I just installed ruby-tests.el from emacswiki, which (I
> saw too late) unfortunately has some "global-set-keys" with combinations
> that normally I use for other things.
>
> Is there any way to revert back to the last global state (it might be
> useful also in other cases of cours)?
> Thanks

Making a deep copy of the obarray at some defined points in time may be
all that it needs.

-ap


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