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RE: multiple Emacs versions on w32


From: Phillip Lord
Subject: RE: multiple Emacs versions on w32
Date: Wed, 15 Mar 2006 16:14:00 -0000

B. T. Raven wrote:
> I am using both 21.3 and 22.0.50.1 on the same machine (w32-msw98).
> Autoexec.bat has "set HOME=d:\emacs"; emacs 21.3 is in
> d:\emacs\emacs21.3 and the cvs version is in e:\emacs\emacs. Both
> start with --debug-init which doesn't report any problems. Since the
> .emacs is in the home directory, the two versions are stomping all
> over each other. For example,even if I hide the versions from each
> other they seem to update the .emacs in different ways (probably due
> to subtle changes in the side effects of functions or in the use of
> built in variables. display-time, iswitchb, and recentf-mode work
> differently. Is there any way that I can parameterize the invocation
> of the two versions or at least set them up so as to allow each one
> to load its own separate version of the dotemacs? For now I use the
> cvs version only for its more complete documentation and for tutorial
> purposes since it won't run for longer than a couple of hours without
> causing a segmentation fault. 
> 



There are a couple of options. 

Either launch emacs with "-q -l ~/.emacs.22" (or what ever file
you want to use). 

Or alternatively you could use the emacs-version variable, and 
have your .emacs work appropriately. You'd need check that your
`custom-file' is being set appropriately. 

Incidentally, emacs should not seg fault after a couple of hours. 
I'm using the emacs-w32 from here. 
http://ourcomments.org/Emacs/EmacsW32.html

I use the unpatched version without the W32 integration layer. 
This works well for me. I think I got it to core dump once, but
not repeatedly. 

Cheers

Phil




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