# File app/models/note_sequence.rb, line 3
 3:         def to_xml(options = {})
 4:                 options[:indent] ||= 2
 5:                 xml = options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
 6:                 xml.instruct! unless options[:skip_instruct]
 7:                 xml.notes do
 8:                         self.each do |note|
 9:                                 xml.tag!(:note, note.to_s)
10:                         end
11:                 end
12:         end