- (object-callbacks . ((pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
- (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
+ (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
+ (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
+ (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
+ (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
+ (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
+ (vertical-alignment . ,ly:system::get-vertical-alignment)))