docs: def getcloud(site, feed_id=None):
  	""" Returns the tag cloud for a site or a site's subscriber.
  	"""
  
  	cloudict = fjcache.cache_get(site.id, 'tagclouds')
  	if not cloudict:
  		cloudict = cloudata(site)
  		fjcache.cache_set(site, 'tagclouds', cloudict)
  
  	# A subscriber's tag cloud has been requested.
  	if feed_id:
  		feed_id = int(feed_id)
  		if feed_id in cloudict:
  			return cloudict[feed_id]
  		return []
  	# The site tagcloud has been requested.
  	return cloudict[0]