#include "box.hh"
#include "grob.hh"
#include "drul-array.hh"
-#include "protected-scm.hh"
+
/**
A horizontally fixed size element of the score.
virtual System * line_l () const;
virtual Paper_column * column_l () const;
virtual void handle_prebroken_dependencies ();
+ static bool has_interface (Grob*);
protected:
virtual void discretionary_processing ();
void copy_breakable_items ();