(error-found ,boolean? "If true, a parsing error was found in this expression")
(element ,ly:music? "The single child of a Music_wrapper music object, or the body of a repeat.")
(elements ,ly:music-list? "A list of elements for sequential of simultaneous music, or the alternatives of repeated music. ")
- (elements-callback ,procedure? "Return a list of children, for use by a sequential iterator. Takes a single Music parameter")
(expected-beam-count ,integer? "Expected number of non-tremolo beams in a tremolo repeat")
(force-accidental ,boolean? "If set, a cautionary accidental should always be printed on this note")
(grob-property ,symbol? "The symbol of the grob property to set. ")
(pitch ,ly:pitch? "the pitch of this note")
(pitch-alist ,list? "list of pitches jointly forming the scale of a key signature")
(pop-first ,boolean? "Do a revert before we try to do a override on some grob property.")
- (prob-property ,symbol? "The symbol of the prob property to set. ")
(procedure ,procedure?
"The function to run with \\applycontext.
It must take a single argument, being the context.")