[SQL] 7.2 functions that return multiple result sets?

Can some one please confirm( with a plpgsql function example please ) a postgres "7.2" function that can return multiple rows to the client.   I've gone through the docs and can't find anything to support this -it seems you can only have one return value or null.   Yes i'm aware this it is

[SQL]

Can some one please confirm( with a plpgsql function example please ) a postgres "7.2" function that can return multiple rows to the client.   I've gone through the docs and can't find anything to support this -it seems you can only have one return value or null.   Yes i'm aware this it is