The HTML document handling portion is operative to communicate through a proxy server , with {TAIL ~ a home HTTP server} in the intranet or {HEAD ~ the foreign servers} in the wide area network 
The HTML document handling portion is operative to communicate through a proxy server , with { TAIL ~ a home HTTP server } in the intranet or { HEAD ~ the foreign servers } in the wide area network
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH