include/rays/polyline.h in rays-0.1.14 vs include/rays/polyline.h in rays-0.1.15

@@ -4,10 +4,11 @@
 #define __RAYS_POLYLINE_H__
 
 
 #include <vector>
 #include <xot/pimpl.h>
+#include <rays/defs.h>
 #include <rays/point.h>
 #include <rays/bounds.h>
 
 
 namespace Rays
@@ -30,10 +31,15 @@
 
 			Polyline (const Point* points, size_t size, bool loop = false);
 
 			~Polyline ();
 
-			bool expand (Polygon* result, coord width) const;
+			bool expand (
+				Polygon* result,
+				coord width,
+				CapType cap       = CAP_DEFAULT,
+				JoinType join     = JOIN_DEFAULT,
+				coord miter_limit = JOIN_DEFAULT_MITER_LIMIT) const;
 
 			Bounds bounds () const;
 
 			bool loop () const;