packagetype _plain
packagetype _code
packagetype _linkage

package main _plain
	package resources _plain
		kind K_unchecked unchecked
		kind K_object enum
		kind K_fruit <= K_object
		kind K_citrus_fruit <= K_fruit
		kind K_stone <= K_object
		kind K_feldspar <= K_stone
		kind K_mica <= K_stone