"Giorgio Valoti" <giorgio_v(at)mac(dot)com> writes:
> Using every language containing the "a grave" letter (c3 a0) causes an error
> when the function "ts_vector" is invoked.
> test=> select to_tsvector('italian','prova');
> ERROR: invalid byte sequence for encoding "UTF8": 0xc3
Hmm, works for me:
z=# select to_tsvector('italian','prova');
to_tsvector
-------------
'prov':1
(1 row)
What database encoding (server_encoding) are you using? Is it possible
that the text search configuration files have been rewritten into a
non-UTF8 encoding?
regards, tom lane