to_s (REXML::Attribute)

    # File temp/attribute.rb, line 94
                    def to_s
                            return @normalized if @normalized

                            doctype = nil
                            if @element
                                    doc = @element.document
                                    doctype = doc.doctype if doc
                            end

                            @unnormalized = nil
                            @value = @normalized = Text::normalize( @value, doctype )
                    end