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Date: Thu, 21 Jun 2007 21:58:38 -0400
From: Ken Brown <kbrown AT math DOT cornell DOT edu>
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Subject: Re: emacs 22.1?
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On 6/21/2007 5:08 PM, Brian Dessent wrote:
> Steffen Sledz wrote:
> 
>> Hmmm? I'm not sure if this is a practical solution because the old
>> emacs-leim package is just obsolete, if a new emacs package is
>> installed. How can i describe this inter-package dependency?
> 
> There's no way to express any version specific requirements.  Once the
> old emacs package gets demoted to [prev], it becomes a second class
> citizen.  In order to use it the user would have to know to set 'emacs'
> to [prev] as well as 'emacs-leim' to [prev] as well (you can state this
> in the release announcement.)  Or in other words, upgrading to the v22
> emacs package should have the effect of also uninstalling v21
> emacs-leim, which is accomplished by installing the new [curr] of both
> packages.  Here I'm assuming that having a v22 emacs and a v21
> emacs-leim both installed at the same time causes breakage.

I don't think it causes breakage.  Emacs-leim is installed in a 
version-specific directory (such as /usr/share/emacs/21.3.50/leim).  V22 
emacs won't even look there.

Ken


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