- (part-combine-status ,symbol?
- "Change to what kind of state? Options are
-solo1, solo2 and unisono")
-
- (figure ,markup? "a `figure' (which may be
-a string) for figured bass")
- (alteration ,number? "alteration for figured bass")
- (bracket-start ,boolean? "start a bracket
-here. TODO: use span requests?")
- (bracket-stop ,boolean? "stop a bracket here.")
-