to_s (REXML::ParseException)

    # File rexml/parseexception.rb, line 13
      def to_s
    			# Quote the original exception, if there was one
    			if @continued_exception
    				err = @continued_exception.message
    				err << "\n"
    				err << @continued_exception.backtrace[0..3].join("\n")
    				err << "\n...\n"
    			else
    				err = ""
    			end

    			# Get the stack trace and error message
    			err << super

    			# Add contextual information
    			err << "\nat about line #{@source.current_line}:\n#{@source.buffer[0..80].gsub(/\n/, ' ')}\n" if @source
    			# Information about the path of the element the error occurred in
    			if @element
    				path = @element.expanded_name
    				path = "TAG MISSING ERROR" unless path
    				parent = @element.parent
    				while parent and not parent.type == "Document"
    					path = parent.expanded_name + "/" + path
    					parent = parent.parent
    				end
    				err << "in element #{path}\n"
    			end
    			err
    		end