On 2 Jan 2003, Rod Taylor wrote:
> I think I initially forgot those options, and Stephans patch seems to be
> everything required -- though the psql display is a little more
> cluttered.
IIRC, theoretically only initially immediate deferrable actually
needs to specify both clauses (initially deferred guarantees deferrable
and not deferrable doesn't need an initially at all). It seemed like that
was getting too cute though for a quick patch.