On Thu, Oct 29, 2015 at 4:03 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> After further thought I realized that part of the point you'd been
> making was that people might fail to distinguish the behaviors of
> containment and existence operators in this regard. So I think the
> example needs to make that point explicitly. I whacked it around
> a bit more and committed it.
Looks good.
--
Peter Geoghegan
