clean_cache_collection

# File lib/rdoc/store.rb, line 275
  def clean_cache_collection collection # :nodoc:
    collection.each do |name, item|
      if item.empty? then
        collection.delete name
      else
        # HACK mongrel-1.1.5 documents its files twice
        item.uniq!
        item.sort!
      end
    end
  end