I've just received 404 Error on all Polish mirror sites
http://www.pl.postgresql.org/devel-corner/docs/
http://www2.pl.postgresql.org/devel-corner/docs/
I'm sending this mail 'cos i saw the message:
If you got here for anything related to the PostgreSQL documentation,
send a note to pgsql-docs(at)postgresql(dot)org(dot)