anchor.diff:                           {port, Port}]}];
   
   server(T) ->
  -    server({T, ?DEFAULT_ADDR, ?DEFAULT_PORT}).
  +    server({T, loopback, ?DEFAULT_PORT}).
   
   %% client/1
   %%
  
positive.code:     | {protocol(), ip_address(), non_neg_integer()}
      | {protocol(), ip_address(), ip_address(), non_neg_integer()}.
  
  -define(DEFAULT_ADDR, {127,0,0,1}).
  -define(DEFAULT_PORT, 3868).
  
  %% ---------------------------------------------------------------------------
  
negative.code: %%
  %% %CopyrightBegin%
  %%
  %% Copyright Ericsson AB 2010-2013. All Rights Reserved.
  %%
  %% The contents of this file are subject to the Erlang Public License,
  %% Version 1.1, (the "License"); you may not use this file except in
  