[ESS] Prevent ESS From Writing .Rhistory

[Laurent Gatto]

On  9 September 2016 11:00, Stephen Eglen wrote:

>> I found the cause of the password echoing: the "Process Echoes" menu
>> item in the iESS->Process menu is checked.  This is also the case when I
>> load ESS in Emacs started with -Q.  Both with -Q and with my
>> initializations, comint-process-echoes is nil (the default), and the
>> above menu item reverses this value, activating echoing.  So the obvious
>> question is, why isn't this the case for those ESS users (apparently
>> almost everyone) who don't get the password echoing?  For these users,
>> it seems comint-process-echoes is (changed to) non-nil when ESS is
>> loaded; why -- or why doesn't that happen for me?
>
> Thanks Steve; this sounds promising.
>
> In my .emacs file I have
>
> ;; In Emacs 22, this has become necessary:
> (setq ess-eval-visibly-p nil)

Same in my case (likely based on Stephen's advice).

> I recall this was needed otherwise *R* buffers became very slow to
> interact with.  

Relevant references:

 http://stackoverflow.com/questions/2770523/how-can-i-background-the-r-process-in-ess-emacs
 https://stat.ethz.ch/pipermail/ess-help/attachments/20131125/230f81de/attachment.pl

> When I change that to t, I see the password echo...  
>
> Stephen
>
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