{HEAD ~ The fingerprint} may be formed by extracting {TAIL ~ markup language tags} from the document and then linking together the extracted tags to form a single string 
formed by extracting
{ HEAD ~ The fingerprint } may be formed by extracting { TAIL ~ markup language tags } from the document and then linking together the extracted tags to form a single string
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH