David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> ... I don't
> think we need to put up signs anywhere that indicate mistakes once
> existed here, especially for ones that existed in no released version
> of PostgreSQL.
I'm a bit bemused by that viewpoint. There's an enormous fraction of
our test suite that is exactly memorializing bugs that once existed.
Maybe there is some reason to distinguish bugs that never made it
into an official release, but that seems rather weak to me.
regards, tom lane