Re: Selection threshold with mouse

[Eli Zaretskii]

> From: Barry Margolin <barmar@alum.mit.edu>
> Date: Sat, 19 Jul 2014 11:26:17 -0700
> 
> if you set the mark and then move left, the highlighted character is
> not in the region.

The highlighted characters are always part of the region.  Emacs never
highlights characters that are not part of the region: doing so would
be misleading and confusing.