- arpeggio-event breathing-event extender-event span-event
- rhythmic-event dynamic-event break-event percent-event
- key-change-event string-number-event stroke-finger-event tie-event part-combine-event
- beam-forbid-event script-event
- tremolo-event bend-after-event fingering-event glissando-event
- harmonic-event hyphen-event laissez-vibrer-event mark-event
- multi-measure-text-event note-grouping-event
- pes-or-flexa-event repeat-tie-event spacing-section-event
- layout-instruction-event))
-
- (layout-instruction-event . (apply-output-event ))
+ footnote-event arpeggio-event breathing-event
+ extender-event span-event rhythmic-event dynamic-event
+ break-event label-event percent-event key-change-event
+ string-number-event stroke-finger-event tie-event
+ part-combine-event part-combine-force-event
+ beam-forbid-event script-event tempo-change-event
+ tremolo-event bend-after-event fingering-event
+ glissando-event harmonic-event hyphen-event
+ laissez-vibrer-event mark-event multi-measure-text-event
+ note-grouping-event pes-or-flexa-event repeat-tie-event
+ spacing-section-event layout-instruction-event
+ time-signature-event
+ completize-extender-event break-span-event alternative-event))
+
+ (layout-instruction-event . (apply-output-event))