bug#15899: 24.3.50; regression: `region' overlay is lower priority than default

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Drew Adams <drew.adams@oracle.com>,  15899@debbugs.gnu.org
> Date: Fri, 15 Nov 2013 08:54:15 -0500
> 
> I'm not convinced it's a bug, since this "bug" was also the fix for
> another bug.

Was that other bug also about priorities of faces?

> It's a change, there's no doubt about that.  Whether it's better or
> worse is not so clear.

Isn't it confusing that the region highlighting is non-contiguous when
an overlay is in its middle?

What are the downsides of setting the region overlay's priority to
most-positive-fixnum?