anchor.diff:  	door
   		icon_state="door"
   		density=1
  -	fence
  -		icon_state="hpfence"
  -		density=1
   	woodenwall
   		icon_state="wooden"
   		density=1
  
positive.code: 		density=1
  	stone
  		icon_state="stone"
  		density=1
  	downfence
  		icon_state="post"
  		density=1
  	waterfall
  		icon_state="waterfall"
  
negative.code: 		layer=2
  	tablebottom
  		icon='turf.dmi'
  		icon_state="bottom"
  		density=1
  		layer=2
  	tablemid3
  