to_s (REXML::Text)

    # File temp/text.rb, line 132
                    def to_s
                            return @string if @raw
                            return @normalized if @normalized

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

                            @normalized = Text::normalize( @string, doctype, @entity_filter )
                    end