atom_feed(
  :language => 'ja-JP',
  :root_url => root_url,
  :url => root_url(:format => :atom),
  :id => root_url
) do |feed|
  feed.title MagicNumber['profile']['users']['caption']
  feed.subtitle sanitize(MagicNumber['profile']['users']['description'], :tags => %w(a p img br))
  feed.updated Time.now
  feed.author {|author| author.name(MagicNumber['profile']['web_master'])}

  @comics.each do |comic|
    feed.entry(
      comic,
      :url => comic_url(comic),
      :id => comic_url(comic),
      :published => comic.updated_at,
      :updated => comic.updated_at
    ) do |item|
      item.title(comic.title)
      item.content(comic.description, :type => 'html')
      item.author {|author| author.name(comic.author.name)}
    end
  end
end