X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fgrob.hh;h=94da56e8841bc05a5ff85d302b1dc3c4b109f4d2;hb=60fc32ec59fd97456218332612b87b821968da84;hp=3d211964a49a7fae830e0bef1c57d0b4a3e5ad73;hpb=05d8315484c180e02bf9297513bd0c3db1e4615a;p=lilypond.git

diff --git a/lily/include/grob.hh b/lily/include/grob.hh
index 3d211964a4..94da56e884 100644
--- a/lily/include/grob.hh
+++ b/lily/include/grob.hh
@@ -107,6 +107,7 @@ public:
 
   /* class hierarchy */
   virtual System *get_system () const;
+  static System *get_system (Grob *);
   virtual void do_break_processing ();
   virtual Grob *find_broken_piece (System *) const;
   virtual void discretionary_processing ();
@@ -141,7 +142,9 @@ public:
   void fixup_refpoint ();
 
   virtual Interval_t<int> spanned_rank_interval () const;
+  virtual bool pure_is_visible (int start, int end) const;
   bool check_cross_staff (Grob *common);
+  static bool less (Grob *g1, Grob *g2);
 };
 
 /* smob utilities */