BEGIN {CASE syntax errors}
    i := 0;  ch := 'x';  str := 'y';

    CASE i OF
        1 2 3: j := i;
        4,1,5  IF j = 5 THEN k := 9;
    END;

    CASE ch1 OF
        'x', 'hello', 'y': str := 'world';
        'z', 'x':          str := 'bye'
    END
END.
