Christopher Browne wrote:
> We are pleased to make a new major release of Slony-I available,
> version 2.0.0.
>
> It incorporates numerous enhancements and bug fixes contributed over
> the last year or so.
>
> A *major* change is that it is only compatible with PostgreSQL 8.3 and
> newer versions. 
The documentation has not caught up.  It refers to pre 8.3 versions in 
places, in particular on the requirements page.