anchor.diff:      yaws_log:rotate(Res),
       case Sock of
           undefined ->
  -            ok;
  +            {yaws_hupped, Res};
           _  ->
               gen_tcp:send(Sock, io_lib:format("hupped: ~p~n", [Res])),
               gen_tcp:close(Sock)
  
positive.code: -include("yaws_debug.hrl").
  
  -include_lib("kernel/include/file.hrl").
  -export([start/0, stop/0, hup/1, restart/0, modules/0, load/0]).
  -export([start_embedded/1, start_embedded/2, start_embedded/3, start_embedded/4,
           add_server/2, create_gconf/2, create_sconf/2, setup_sconf/2]).
  
  
negative.code: 
  
  
  hup() ->
      dohup(undefined).
  
  hup(Sock) ->
      spawn(fun() ->
                    group_leader(whereis(user), self()),
  