# File rss/content.rb, line 15 def self.append_features(klass) super klass.install_must_call_validator(CONTENT_PREFIX, CONTENT_URI) ELEMENTS.each do |full_name| name = full_name[(CONTENT_PREFIX.size + 1)..-1] klass.install_text_element(name, CONTENT_URI, "?", full_name) end end