Just turn it off.
C-h k _
takes you to the description of ess-smart-underscore.
>From there, click on ess-S-assign and then on customize.
The "_" is hard-wired in the defun, so reversing it would be a programming
nuisance.

Rich


On Fri, Jul 8, 2011 at 7:36 PM, Pierre Kleiber <pkleiber.hi@gmail.com>wrote:

> I am working in an environment where many folks use "_" in variable and
> function names, and I think if would be lots less trouble to have a single
> underline generate "_" and two consecutive underlines generate " <- ". Can
> anyone suggest a way to reverse the action of "_" and "__"?
>
> Thanks, Pierre
> --
> ------------------------------**------------------------------**---------
> Pierre Kleiber, Ph.D                  Email: pierre.kleiber@noaa.gov
> Pacific Island Fisheries Science Center        Tel. wk: 808 983-5399
> NOAA Fisheries                                      hm: 808 737-7544
> 2570 Dole St., Honolulu, HI 96822-2396
> ------------------------------**------------------------------**---------
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