[ESS] Is there a way to continue using emacs while C-c C-r ess-eval-region is running?

[regcl]

Rodney wrote:

> This may be a variant of previously reported bug.  Does it help if you 
> submit regions that are encased in brackets, i.e. {}?


Yes it does. Thanks.  

regcl

> regcl wrote:
>> C-c C-r, bound to ess-eval-region, locks emacs until the evaluation is complete.
>> 
>> This is annoying because my blocks of code take a long time to complete.
>> 
>> Is there a way to continue using emacs while C-c C-r ess-eval-region is running?
>> 
>> Using: GNU Emacs 24.0.93.1 & ess-12.04.
>> 
>> Thanks
>> regcl