anchor.diff:  	else
   		on = FALSE
   		update_icon()
  +
  +#undef HEATER_MODE_STANDBY
  +#undef HEATER_MODE_HEAT
  +#undef HEATER_MODE_COOL
  
positive.code: 			user << "<span class='warning'>The hatch must be open to insert a power cell!</span>"
  			return
  	else if(istype(I, /obj/item/weapon/screwdriver))
  		world << "screw"
  		panel_open = !panel_open
  		user.visible_message("\The [user] [panel_open ? "opens" : "closes"] the hatch on \the [src].", "<span class='notice'>You [panel_open ? "open" : "close"] the hatch on \the [src].</span>")
  		update_icon()
  		if(panel_open)
  			interact(user)
  	else if(exchange_parts(user, I) || default_deconstruction_crowbar(I))
  		world << "machina"
  		return
  	else
  		world << "meh"
  		..()
  
  /obj/machinery/space_heater/attack_hand(mob/user)
  
negative.code: 		return
  
  	if(href_list["power"])
  		on = !!text2num(href_list["power"])
  		mode = HEATER_MODE_STANDBY
  		usr.visible_message("[usr] switches [on ? "on" : "off"] \the [src].","<span class='notice'>You switch [on ? "on" : "off"] \the [src].</span>")
  