//	Observer Pattern Implementation: Entered
//		Registration type: /atom
//
//		Raised when: An /atom/movable instance has entered an atom.
//
//		Arguments that the called proc should expect:
//			/atom/entered: The atom that was entered
//			/atom/movable/enterer: The instance that entered the atom
//			/atom/old_loc: The atom the enterer came from
//

GLOBAL_DATUM_INIT(entered_event, /singleton/observ/entered, new)

/singleton/observ/entered
	name = "Entered"
	expected_type = /atom