static Stencil dot (Offset p, Real radius);
static Stencil bracket (Axis a, Interval iv, Real thick, Real protude, Real blot);
static Stencil accordion (SCM arg, Real interline_f, Font_metric *fm);
+ static Stencil rotated_box (Real slope, Real width, Real thick, Real blot);
static Stencil round_filled_polygon (vector<Offset> const &points, Real blotdiameter);
static Stencil frame (Box b, Real thick, Real blot);
static Stencil slur (Bezier controls, Real cthick, Real thick);