[ESS] How to type an underscore "_" in emacs with ESS in a SAS program

[Alex Branham]

On Thu 11 Apr 2019 at 12:58, Karen Taves via ESS-help <ess-help using r-project.org> wrote:

> I am new to using ESS and am using ESS 18.10.2 and trying to type an
> underscore "_" in emacs in a SAS program and am getting the following
> error message: Symbol's function definition is void:
> ess-smart-S-assign

Hi Karen - 

This appears to be a small bug in ESS. If you execute (require 'ess-site), it should fix the problem.

Thanks,
Alex