foodsoft/plugins/wiki/app/views/pages/all.rss.builder

xml.instruct! :xml, version: '1.0'
xml.rss version: '2.0' do
  xml.channel do
    xml.title FoodsoftConfig[:name] + ' Wiki'
    xml.description ''
    xml.link FoodsoftConfig[:homepage]

    for page in @pages
      xml.item do
        xml.title page.title
        xml.description page.diff, type: 'html'
        xml.author User.find_by_id(page.updated_by).try(:display)
        xml.pubDate page.updated_at.to_fs(:rfc822)
        xml.link wiki_page_path(page.permalink)
        xml.guid page.updated_at.to_i
      end
    end
  end
end