From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrea Crotti <andrea.crotti.0@gmail.com>
Subject: Re: FR: revivable marks in agenda
Date: Thu, 13 Oct 2011 14:53:41 +0100
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To: Samuel Wales <samologist@gmail.com>
Cc: emacs-orgmode@gnu.org

On 10/13/2011 03:41 AM, Samuel Wales wrote:
> I have an agenda view for urgent and now tags.  I just spent a lot of
> time choosing which ones to mark to remove the tags.  I then did B -
> to remove the tags.
>
> I was a little too quick and told it to remove urgent.  It did not
> offer the possibility to remove more than one that I know of.  This
> meant that all of the marks I did on now disappeared.  :(
>
> I wonder if we should have revivable marks (a command revives them).
>
> In this case, and also for speed, it would be useful to be able to
> specify more than one tag to remove.
>
> Samuel
>

Well in general you should use some revision control system,
(git bzr mercurial fossil you have a large choice).
In this way you can safely modify things and be sure that
you can get back what you lost in case you make a mistake..