bug#18493: 24.3.93; posn-col-row should take text-scale-mode into account

[Eli Zaretskii]

> Date: Thu, 18 Sep 2014 10:12:40 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: dgutov@yandex.ru, 18493@debbugs.gnu.org
> 
> > > I pass the column and row to `icicle-raise-Completions-frame',
> > > which calls (set-mouse-position (selected-frame) col row)
> > 
> > Then you should be fine, because set-mouse-position expects
> > _exactly_ the "column" and "row" that posn-col-row returns.  (Its doc
> > string could tell that more clearly, but I looked at the implementation.)
> 
> Good to know.  Yes, it would be good for the differences to be made
> clear in the doc - esp. wrt use cases.

I fixed the doc string.