childless?

# File actionpack/lib/action_controller/vendor/html-scanner/html/node.rb, line 305
    def childless?(xml = false)
      return false if xml && @closing.nil?
      !@closing.nil? ||
        @name =~ /^(img|br|hr|link|meta|area|base|basefont|
                    col|frame|input|isindex|param)$/x
    end