[ESS] How to stop highlighting after eval-region

[Leo Alekseyev]

> I recently upgraded to ESS version 5.8-1 (from a rather dated version) and
> am interested in having ess stop highlighting the region after I have
> evaluated it.  For example, I highlight a region, type C-c C-r (which
> evaluates the region just fine), but then the region is still highlighted
> (whereas in my older version, ess just moved the cursor to the last location
> before evaluating the region).  Any ideas on how to have the region
> un-highlighted after evaluation?  I'm using Ubuntu 9.04 w/ R version 2.10.14
> and emacs version 22.2.1.

Try customizing the variable ess-eval-deactivate-mark and set it to t
(M-x customize-variable ess-eval-deactivate-mark).

(IMO, it should be true by default).