docs: def update_handler(feeds):
  		'''Update all cross-referencing filters results for feeds and others, related to them.
  			Intended to be called from non-Feed update hooks (like new Post saving).'''
  		# Check if this call is a result of actions initiated from
  		#  one of the hooks in a higher frame (resulting in recursion).
  		if Feed._filters_update_handler_lock: return
  		return Feed._filters_update_handler(Feed, feeds, force=True)