# File lib/xml/dom2/attr.rb, line 187
      def prefix=(prefix);
        ## to be checked

        @ownerElement.removeAttributeNode(self) if @ownerElement
        @prefix = prefix
        @name = @prefix + ':' + @localname
        @ownerElement.setAttributeNode(self) if @ownerElement
        @prefix.freeze
        @name.freeze
      end