In {HEAD ~ one embodiment}, a fingerprint is generated for each document containing {TAIL ~ markup language code} 
In { HEAD ~ one embodiment } , a fingerprint is generated for each document containing { TAIL ~ markup language code }
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL