anchor.diff:  
   -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
   	 init_per_group/2,end_per_group/2, 
  -	 controlling_process/1, no_accept/1, close_with_pending_output/1,
  +	 controlling_process/1, controlling_process_self/1,
  +	 no_accept/1, close_with_pending_output/1,
   	 data_before_close/1, iter_max_socks/1, get_status/1,
   	 passive_sockets/1, accept_closed_by_other_process/1,
   	 init_per_testcase/2, end_per_testcase/2,
  
positive.code:     after 1000 ->
  	    ok
      end.
  
  no_accept(doc) ->
      ["Open a listen port and connect to it, then close the listen port ",
  
negative.code: suite() -> [{ct_hooks,[ts_install_cth]}].
  
  all() -> 
      [controlling_process, controlling_process_self, no_accept,
       close_with_pending_output, data_before_close,
       iter_max_socks, passive_sockets,
       accept_closed_by_other_process, otp_3924, closed_socket,
  