RE: Selection threshold with mouse

[Drew Adams]

> > 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.

I think Barry meant that the char that appeared to be under the cursor
is not part of the region (in the scenario he described). Not that it
was highlighted using the region highlighting but that it was
"highlighted" by the (box) cursor (before moving point).