# File lib/rss/maker/2.0.rb, line 147
147:             def to_feed(rss, item)
148:               source = Rss::Channel::Item::Source.new
149:               set = setup_values(source)
150:               if set
151:                 item.source = source
152:                 set_parent(source, item)
153:                 setup_other_elements(rss, source)
154:               end
155:             end

     # File lib/rss/maker/2.0.rb, line 158
158:             def required_variable_names
159:               %w(url content)
160:             end