[Aquamacs-devel] Problem with/question about Aquamacs 2.0

[David Reitter]

José,

> start using it, but it gives me an error upon start-up saying that it
> does not recognise the utf-8m coding system of Preferences.el.  The
> funny thing is that I byte-compile Preferences.el from dired in
> Aquamacs 2.0 and then try to load the byte-compiled Preferences.elc
> and I get the very same error.

Taking a look at your Prefs.el might allow others or me to make a more  
educated guess what's happening.  It's a bug for sure.

Does it also happen when you copy your Prefs.el into your ~/.emacs ?

> More worryingly, it insists in reading this Preferences.el file:
>
>        ~/Library/Preferences/Aquamacs Emacs/Preferences.el
>
> instead of this:
>
>        ~/Library/Preferences/Aquamacs/Preferences.el


Right.  We could change that, but I'm not sure what the right  
procedure would be to load somebody's pre-2.0 preferences file.

One could

- attempt to load Aquamacs/, but, if not found
- look for Aquamacs Emacs/.  If found
- copy it to Aquamacs/
   (to allow previous Aquamacs versions to load it).

One would have to do that with every location where Aquamacs looks for  
support or customization files.

This way you could keep the two configurations apart, while importing  
the old one during the first startup.

The other problem with that is that installers for the plugins will  
always install into Aquamacs Emacs/.

So, given that we have enough problems, I tend to leave things as they  
are....

> Maybe this is unnecessary, but I wasn't sure whether elisp files
> byte-compiled with Aquamacs 1.8 (based on GNU Emacs 22) would be
> compatible with the Emacs 23 in Aquamacs 2.0.

Yes, they ought to be.

> Any suggestions on how
> to keep Aquamacs 1.8 and 2.0 coexisting happily on my Mac (at least
> until I don't have to rely on 1.8) would be most welcome.

It's not clear to me that there is a strong use-case for separate  
configurations and libraries.

> Professor José Miguel Figueroa-O'Farrill
> Institute for the Physics and Mathematics of the Universe

Oh.  Is this a sabbatical, or have you left Edinburgh for good?

Best regards
- David

--
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