# File lib/cgikit/resource.rb, line 246
    def url( name, package_name = nil, languages = [], request = nil )
      url = @resource_store.url(name, request)
      unless url then
        package_name ||= @main_package.name
        package = @packages[package_name]
        path = package.path_for_web_server_resource(@document_root, name, languages)
        if /\A#{File.expand_path(@document_root)}/ === path then
          url = path.sub(File.expand_path(@document_root), '')
        end
      end
      url
    end