Snowflake MERGE statement does not require parentheses around the ON statement #1315

MERGE INTO CONSULTANT T USING (
    SELECT
        *
    from
        CONSULTANT
) S ON S.ID = T.ID
WHEN MATCHED THEN
UPDATE
SET
    T.RESOURCE = S.RESOURCE
    WHEN NOT MATCHED THEN
INSERT
    (ID, RESOURCE)
values
    (S.ID, S.RESOURCE);

String text = """
MERGE INTO CONSULTANT T USING (
    SELECT
        *
    from
        CONSULTANT
) S ON S.ID = T.ID
WHEN MATCHED THEN
UPDATE
SET
    T.RESOURCE = S.RESOURCE
    WHEN NOT MATCHED THEN
INSERT
    (ID, RESOURCE)
values
    (S.ID, S.RESOURCE);
"""
Statement query = CCJSqlParserUtil.parse(text)

net.sf.jsqlparser.JSQLParserException: Encountered unexpected token: "S" <S_IDENTIFIER>
    at line 7, column 8.

Was expecting:

    "("

String text = """
MERGE INTO CONSULTANT T USING (
    SELECT
        *
    from
        CONSULTANT
) S ON (S.ID = T.ID)
WHEN MATCHED THEN
UPDATE
SET
    T.RESOURCE = S.RESOURCE
    WHEN NOT MATCHED THEN
INSERT
    (ID, RESOURCE)
values
    (S.ID, S.RESOURCE);
"""
Statement query = CCJSqlParserUtil.parse(text)