[ESS] no working R process

[Stephen Eglen]

> [ess-site.el]: ess-customize-alist=nil 
> [ess-site.el _2_]: ess-customize-alist=nil 
> (S): ess-s-versions-create making M-x defuns for 
>  
> (R): ess-r-versions-create making M-x defuns for 
>  R-2.7.1~
>  R-2.8.1~

> 
> when I start R via M-x R-2.8.1~, I get:
...

> Changing to the *R* buffer just yields (Comint: no process) in the
> status line  of emacs.

Did it not find R-2.7.1 (i.e. without the tilde, backup file)?  It seems
strange that you would have the backup file R-2.7.1~ on your path, but
not R-2.7.1

What happens from a terminal when you just type:

R-2.7.1~

?? does it start a working version of R?

Stephen