# File lib/yard/templates/helpers/html_helper.rb, line 342
      def url_for_file(filename, anchor = nil)
        return '' unless serializer
        fromobj = object
        if CodeObjects::Base === fromobj && !fromobj.is_a?(CodeObjects::NamespaceObject)
          fromobj = fromobj.namespace
        end
        from = serializer.serialized_path(fromobj)
        if filename == options.readme
          path = 'index.html'
        else
          path = serializer.serialized_path(filename)
        end
        link = File.relative_path(from, path)
        link += (anchor ? '#' + urlencode(anchor) : '')
        link
      end