anchor.diff:  t_system_profile_return() ->
     t_sup(t_atom('undefined'),
   	t_tuple([t_sup(t_pid(), t_port()), t_system_profile_options()])).
  +
  +t_system_build_type_return() ->
  +  t_sup([t_atom('opt'),
  +         t_atom('debug'),
  +         t_atom('purify'),
  +         t_atom('quantify'),
  +         t_atom('purecov'),
  +         t_atom('gcov'),
  +         t_atom('valgrind'),
  +         t_atom('gprof'),
  +         t_atom('lcnt')]).
   
   %% =====================================================================
   %% These are used for the built-in functions of 'ets'
  
positive.code: 			      t_list(t_tuple([t_atom(),
  					      t_list(t_tuple([t_atom(),
  							      t_any()]))]))]);
  		   ['break_ignored'] ->
  		     t_boolean();
  		   ['cpu_topology'] ->
  		     t_system_cpu_topology();
  		   ['compat_rel'] ->
  
negative.code: 		     t_non_neg_fixnum();
  		   ['trace_control_word'] ->
  		     t_integer();
                     ['update_cpu_info'] ->
                       t_sup([t_atom('changed'), t_atom('unchanged')]);
  		   ['version'] ->
  		     t_string();
  		   ['wordsize'] ->
  