anchor.diff:  %% =======================================================
   
   g_mapjson() ->
  -	?TRIQLET(X, list(oneof([
  +	%?TRIQLET(X, list(oneof([
  +	?LET(X, list(oneof([
   		{name, g_name()},
   		{background_color,  g_color()},
   		{gridline_color,  g_color()},
  
positive.code: %% =======================================================
  
  next_state(State, {ok, _Status, _Heads, Body}, {call, _, create_map, _}) ->
  	Props = jsx:to_term(Body),
  	Id = proplists:get_value(<<"url">>, Props),
  	State#state{map_id = Id};
  
  
negative.code: 	])), uniquify(X)).
  
  g_name() ->
  	%?TRIQLET(N,
  	?LET(N,
  	list(
  		frequency([
  			{8, char()},
  