bug#18385: 24.3.93; posn-at-point doesn't account for tab-width

[Eli Zaretskii]

> Date: Thu, 04 Sep 2014 02:10:42 +0400
> From: Dmitry Gutov <dgutov@yandex.ru>
> CC: 18385@debbugs.gnu.org
> 
> I guess its docstring was that tripped me up. "Actual column" sounds too 
> close to the name of `current-column', which does count character widths.
> 
> Do you think something like this change would make sense?

Yes, I made a similar change (on the emacs-24 branch).

Thanks.