anchor.diff:                  dbg_alg_terminate,
                   dbg_ssh_messages,
                   dbg_connections,
  -                dbg_channels]}
  +                dbg_channels]},
  +     {circ_buf, [], [cb_basic,
  +                     cb_print,
  +                     cb_macros_print
  +                    ]}
       ].
   
   %%--------------------------------------------------------------------
  
positive.code:     stop_and_fail_if_unhandled_dbg_msgs(Ref, [C,D], Pid).
  
  %%--------------------------------------------------------------------
  %%--------------------------------------------------------------------
  %%--------------------------------------------------------------------
  
  
negative.code:      {timetrap,{seconds,60}}].
  
  all() -> 
      [{group, dbg},
       {group, circ_buf}
      ].
  
  groups() ->
  