(,cheap-list? . "list")
(,fraction? . "fraction, as pair")
(,grob-list? . "list of grobs")
+ (,index? . "non-negative integer")
;; this is built on cheap-list
(,list-or-symbol? . "list or symbol")
(,markup? . "markup")
(,ly:dir? . "direction")
(,ly:dispatcher? . "dispatcher")
(,ly:duration? . "duration")
- (,ly:event? . "event")
+ (,ly:event? . "post event")
(,ly:font-metric? . "font metric")
(,ly:grob? . "graphical (layout) object")
(,ly:grob-array? . "array of grobs")
(,ly:translator? . "translator")
(,ly:translator-group? . "translator group")
(,ly:unpure-pure-container? . "unpure/pure container")
- (,ly:vsize? . "vsize")
))