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