# File lib/xml/dom/core.rb, line 2131
      def removeAttributeNode(oldAttr)
        ret = getAttributeNode(oldAttr.nodeName)
        if ret.nil? || ret != oldAttr
          raise DOMException.new(DOMException::NOT_FOUND_ERR)
        end
        @attr.removeNamedItem(oldAttr.nodeName)
        ret
      end