http-spec.htmls :
$(FIRST0) $(W)/Protocols/HTTP/HTTP2.html > $@
$(LEVEL0) $(W)/Protocols/HTTP/Request.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/Methods.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/HTRQ_Headers.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/OldClients.html >> $@
$(LEVEL0) $(W)/Protocols/HTTP/Response.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/HTRESP.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/Object_Headers.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/OldServers.html >> $@
$(LEVEL0) $(W)/Protocols/HTTP/Negotiation.html >> $@
$(LEVEL1) $(W)/Protocols/HTTP/TimeCost.html >> $@
$(LEVEL0) $(W)/Protocols/HTTP/RegistrationAuthority.html >> $@
$(LEVEL0) $(W)/Protocols/HTTP/References.html >> $@