static Slice Stem::beam_multiplicity (Grob *);
static Real thickness (Grob*);
static int head_count (Grob *);
- static bool invisible_b (Grob *) ;
+ static bool is_invisible (Grob *) ;
static Interval head_positions (Grob *);
static Real get_default_stem_end_position (Grob*me);
static void position_noteheads (Grob *);