anchor.diff:       options,
        headers_as_is, 
        selecting_session, 
  -     {group, proxy}, 
        {group, ssl}, 
        {group, stream}, 
        {group, ipv6}, 
  
positive.code:     %% so this value will be overwritten (see "ipv6_" below).
      %% </IPv6>
  
      %% This will fail for the ipv6_ - cases (but that is ok)
      ProxyExceptions = ["localhost", ?IPV6_LOCAL_HOST], 
      tsp("init_per_testcase -> Options before proxy set: ~n~p", 
  	[httpc:get_options(all)]),
      ok = httpc:set_options([{proxy, {{?PROXY, ?PROXY_PORT}, ProxyExceptions}}]),
      tsp("init_per_testcase -> Options after proxy set: ~n~p", 
  	[httpc:get_options(all)]),
      inets:enable_trace(max, io, httpc),
      %% inets:enable_trace(max, io, all),
      %% snmp:set_trace([gen_tcp]),
  
negative.code:     DummyServerPid ! stop,
      ok = httpc:set_options([{ipfamily, inet6fb4}]), 
      ok.
  
  
  %%-------------------------------------------------------------------------
  