Each element is represented by an index number that identifies the element, {HEAD ~ a length number} that indicates the length of the elements name, and token numbers that represent tags delimiting {TAIL ~ the element} 
Each element is represented by an index number that identifies the element , { HEAD ~ a length number } that indicates the length of the elements name , and token numbers that represent tags delimiting { TAIL ~ the element }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL