# File lib/nanoc/helpers/blogging.rb, line 97
      def validate_feed_item
        if title.nil?
          raise Nanoc::Errors::GenericTrivial.new('Cannot build Atom feed: no title in params, item or site config')
        end
        if author_name.nil?
          raise Nanoc::Errors::GenericTrivial.new('Cannot build Atom feed: no author_name in params, item or site config')
        end
        if author_uri.nil?
          raise Nanoc::Errors::GenericTrivial.new('Cannot build Atom feed: no author_uri in params, item or site config')
        end
      end