anchor.diff:  //in it's own proc to avoid issues with items that nolonger exist in the code base.
   //try catch doesn't always prevent byond runtimes from halting a proc,
   /obj/machinery/smartfridge/black_box/proc/create_item(item_type)
  -	new item_type(src)
  +	var/obj/O = new item_type(src)
  +	blacklist |= O
   
   /obj/machinery/smartfridge/black_box/Destroy(force = FALSE)
   	if(force)
  
positive.code: 	use_power = NO_POWER_USE
  	var/memory_saved = FALSE
  	var/list/stored_items = list()
  	var/static/list/blacklist = typecacheof(list(/obj/item/spellbook))
  
  /obj/machinery/smartfridge/black_box/update_icon()
  	return
  
negative.code: /obj/machinery/smartfridge/black_box/accept_check(obj/item/O)
  	if(!istype(O))
  		return FALSE
  	if(O in blacklist)
  		visible_message("<span class='boldwarning'>[src] ripples as it rejects [O]. The device will not accept items that have been removed from it.</span>")
  		return FALSE
  	return TRUE
  
  