Postgresql documentation/behavior inconsistency

I've just installed the latest unstable release of postgresql (v 7.0.2) on my machine, and I'm a little confused with an inconsistency in the local documentation and the docs provided at Postgresql.org. On this page: http://www.postgresql.org/docs/tutorial/advanced.htm#AEN1494 it says that the

Re: Postgresql documentation/behavior inconsistency

Peter Kovacs wrote: I've just installed the latest unstable release of postgresql (v 7.0.2) on my machine, and I'm a little confused with an inconsistency in the local documentation and the docs provided at Postgresql.org. On this page: