(absolute-octave ,integer?
"The absolute octave for a octave check note.")
(alteration ,number? "Alteration for figured bass.")
+ (alternative-dir ,ly:dir? "Indicates if an AlternativeMusic is the
+First (-1), Middle (0), or Last (1) of group of alternate endings.")
+ (alternative-increment ,integer? "The number of times an alternative's
+lettering should be incremented.")
(articulation-type ,string? "Key for script definitions alist.
TODO: Consider making type into symbol.")
(value ,scheme? "Assignment value for a translation property.")
(void ,boolean? "If this property is @code{#t}, then the
music expression is to be discarded by the toplevel music handler.")
+ (volta-repeats ,list? "A list that is transformed into a volta
+repeat element list.")
(what ,symbol? "What to change for auto-change.