rgb wrote:
>> I'm trying to find out if  there's a way to configure Emacs so that
>> buffers with no file associated could also be silently  backuped.
> 
> Basically, no.
> Naturally you could write something.
> The hard part would be deciding what buffers to 'back up'.
> There are loads of buffers used for purposes you really wouldn't want
> 'backed up'.  
> For example dired buffers.

If you designed it right, this wouldn't be a problem.  In normal
circumstances, simply remove all backups on close.  If emacs does crash,
on open it can ask whether each buffer should be restored or deleted,
ala OpenOffice.

Matthew Flaschen