I just checked out postgresql from CVS, built it and did a pg_dumpall of my 7.1.3 databases. When I try and load the data into 7.2 it gives a bunch of errors like \N command not found I guess they are nulls and it can't recognise them or something.
pgsql-hackers by date:
Соглашаюсь с условиями обработки персональных данных