+ (flag ,ly:grob? "A pointer to a @code{Flag} object.")
+ (footnote-stencil ,ly:stencil? "The stencil of a system's footnotes.")
+ (footnotes-before-line-breaking ,ly:grob-array? "Footnote grobs of
+a whole system.")
+ (footnotes-after-line-breaking ,ly:grob-array? "Footnote grobs of
+a broken system.")
+ (full-score-pure-minimum-translations ,list? "A list of translations
+for a full score's worth of grobs.")
+
+ (glissando-index ,integer? "The index of a glissando in its note
+column.")