1.1 ! misho 1: <!DOCTYPE doc [ ! 2: <!ELEMENT doc ((a | b)*, c, b) > ! 3: <!ELEMENT a EMPTY> ! 4: <!ELEMENT b EMPTY> ! 5: <!ELEMENT c EMPTY> ! 6: ]> ! 7: <doc> ! 8: <c/> ! 9: <b/> ! 10: </doc>