Oracle compatibility: old style outer join syntax using (+) did work correctly sometimes.

h2/src/test/org/h2/test/testSimple.in.txt

+CREATE TABLE Address (id NUMBER NOT NULL, city VARCHAR2(255), PRIMARY KEY (id));
+CREATE TABLE Person (id NUMBER NOT NULL, name VARCHAR2(255), ADDRESS_ID NUMBER, PRIMARY KEY (id));
+INSERT INTO PERSON (id, name) values (1, 'Frank');
+SELECT 1 FROM Person t0, Address t1, Person t2 WHERE t0.ADDRESS_ID = t1.id(+) AND t1.id = t2.ADDRESS_ID(+);
+> 1;
+drop table Address, Person;
+
 create domain email as varchar comment 'e-mail';
 create table test(e email);
 select remarks from INFORMATION_SCHEMA.COLUMNS where table_name='TEST';