gen_an_index

# File lib/rdoc/generator/xml.rb, line 101
  def gen_an_index(collection, title)
    res = []
    collection.sort.each do |f|
      if f.document_self
        res << { "href" => f.path, "name" => f.index_name }
      end
    end

    return {
      "entries" => res,
      'list_title' => title,
      'index_url'  => main_url,
    }
  end