(2) As used in this section, "meritless petition" means one that, when liberally construed, fails to state a claim upon which post-conviction relief may be granted.
(3) Notwithstanding ORS 138.650, a judgment dismissing a meritless petition is not appealable.
(4) A dismissal is without prejudice if a meritless petition is dismissed without a hearing and the petitioner was not represented by counsel. [1993 c.517 §3]