to_feed

# File lib/rss/maker/2.0.rb, line 185
              def to_feed(rss, item)
                category = Rss::Channel::Item::Category.new
                set = setup_values(category)
                if set
                  item.categories << category
                  set_parent(category, item)
                  setup_other_elements(rss)
                end
              end