> Long time ago, I considered to update to 22.3. I would like to
install it in
> parallel to 21.3, but I could not find out, how to manage it because both
> would read the same .emacs configuration file and as far as I remember they
> would need to be different. In case there is a possibility to make Emacs
> 22.3 read a configuration file named different or stored in a different
> directory, I would be happy to know.
Just split your .emacs and do something like
(cond
( (equal emacs-version "21.3.1")
(setq custom-file "~/.emacs-cust-21.3.el"))
( t
(setq custom-file "~/.emacs-cust-cvs.el")
))
(when (file-exists-p custom-file)
(load custom-file)))