+void
+Ligature_bracket_engraver::acknowledge_grob (Grob_info info)
+{
+ if (ligature_)
+ {
+ if (Note_column::has_interface (info.grob_))
+ {
+ Tuplet_bracket::add_column (ligature_, dynamic_cast<Item*> (info.grob_));
+ }
+ else Ligature_engraver::acknowledge_grob (info);
+ }
+}
+