--- trunk/pgest.sql	2005/05/25 23:28:15	11
+++ trunk/pgest.sql	2005/05/25 23:38:37	12
@@ -14,7 +14,7 @@
 CREATE OR REPLACE FUNCTION pgest(text, text, text, int, int)
 	RETURNS SETOF __pgest
 	AS 'pgest', 'pgest'
-	LANGUAGE C IMMUTABLE STRICT;
+	LANGUAGE C IMMUTABLE CALLED ON NULL INPUT;
 
 CREATE OR REPLACE FUNCTION pgest2(text[])
 RETURNS setof record
