Music.Backups.MusicXML

		function Read_Backup
	Read backup data from an XML reader.
	Param  Type  Description access XML  XML_Reader  Use this XML reader. return  Backup_Access  The newly created backup.

		procedure Write_Backup
	Write backup data to an XML writer.
	Param  Type  Description access XML  XML_Writer  Use this XML writer. access This  Backup  Write this backup.