Index: trunk/src/crosshair.h
===================================================================
--- trunk/src/crosshair.h	(revision 13441)
+++ trunk/src/crosshair.h	(revision 13442)
@@ -74,6 +74,7 @@
 	pcb_attached_line_t AttachedLine;	/* data of new lines... */
 	pcb_attached_box_t AttachedBox;
 	pcb_poly_t AttachedPolygon;
+	int AttachedPolygon_pts;              /* number of valid points ever seen for this poly */
 	pcb_attached_object_t AttachedObject;	/* data of attached objects */
 	pcb_route_t Route;										/* Calculated line route in LINE or MOVE(LINE) mode */ 
 	enum pcb_crosshair_shape_e shape;			/* shape of crosshair */
@@ -83,6 +84,7 @@
 	pcb_pin_t *snapped_pin;
 	pcb_pstk_t *snapped_pstk;
 
+
 	/* list of object IDs that could have been dragged so that they can be cycled */
 	long int *drags;
 	int drags_len, drags_current;
Index: trunk/src/polygon.c
===================================================================
--- trunk/src/polygon.c	(revision 13441)
+++ trunk/src/polygon.c	(revision 13442)
@@ -1559,7 +1559,7 @@
 }
 
 /* ---------------------------------------------------------------------------
- * go back to the  previous point of the polygon
+ * go back to the previous point of the polygon (undo)
  */
 void pcb_polygon_go_to_prev_point(void)
 {
@@ -1590,6 +1590,21 @@
 }
 
 /* ---------------------------------------------------------------------------
+ * go forward to the next point of the polygon (redo)
+ */
+void pcb_polygon_go_to_next_point(void)
+{
+	if ((pcb_crosshair.AttachedPolygon.PointN > 0) && (pcb_crosshair.AttachedPolygon.PointN < pcb_crosshair.AttachedPolygon_pts)) {
+		pcb_point_t *points = pcb_crosshair.AttachedPolygon.Points;
+		pcb_cardinal_t n = pcb_crosshair.AttachedPolygon.PointN;
+
+		pcb_crosshair.AttachedPolygon.PointN++;
+		pcb_crosshair.AttachedLine.Point1.X = points[n].X;
+		pcb_crosshair.AttachedLine.Point1.Y = points[n].Y;
+	}
+}
+
+/* ---------------------------------------------------------------------------
  * close polygon if possible
  */
 void pcb_polygon_close_poly(void)
Index: trunk/src/polygon.h
===================================================================
--- trunk/src/polygon.h	(revision 13441)
+++ trunk/src/polygon.h	(revision 13442)
@@ -59,7 +59,8 @@
 pcb_cardinal_t pcb_poly_contour_next_point(pcb_poly_t *polygon, pcb_cardinal_t point);
 pcb_cardinal_t pcb_poly_get_lowest_distance_point(pcb_poly_t *, pcb_coord_t, pcb_coord_t);
 pcb_bool pcb_poly_remove_excess_points(pcb_layer_t *, pcb_poly_t *);
-void pcb_polygon_go_to_prev_point(void);
+void pcb_polygon_go_to_prev_point(void); /* undo */
+void pcb_polygon_go_to_next_point(void); /* redo */
 void pcb_polygon_close_poly(void);
 void pcb_polygon_copy_attached_to_layer(void);
 void pcb_polygon_close_hole(void);
Index: trunk/src/tool_poly.c
===================================================================
--- trunk/src/tool_poly.c	(revision 13441)
+++ trunk/src/tool_poly.c	(revision 13442)
@@ -46,6 +46,7 @@
 		pcb_crosshair.AttachedLine.Point1.X = pcb_crosshair.AttachedLine.Point2.X = pcb_crosshair.X;
 		pcb_crosshair.AttachedLine.Point1.Y = pcb_crosshair.AttachedLine.Point2.Y = pcb_crosshair.Y;
 		pcb_crosshair.AttachedLine.State = PCB_CH_STATE_THIRD;
+		pcb_crosshair.AttachedPolygon_pts = 0;
 	}
 
 	/* check if this is the last point of a polygon */
@@ -65,6 +66,7 @@
 	 */
 	if (!n || points[n - 1].X != pcb_crosshair.AttachedLine.Point2.X || points[n - 1].Y != pcb_crosshair.AttachedLine.Point2.Y) {
 		pcb_poly_point_new(&pcb_crosshair.AttachedPolygon, pcb_crosshair.AttachedLine.Point2.X, pcb_crosshair.AttachedLine.Point2.Y);
+		pcb_crosshair.AttachedPolygon_pts = pcb_crosshair.AttachedPolygon.PointN;
 
 		/* copy the coordinates */
 		pcb_crosshair.AttachedLine.Point1.X = pcb_crosshair.AttachedLine.Point2.X;
@@ -108,8 +110,10 @@
 
 pcb_bool pcb_tool_poly_redo_act(void)
 {
-	if (pcb_crosshair.AttachedPolygon.PointN)
+	if (pcb_crosshair.AttachedPolygon.PointN) {
+		pcb_polygon_go_to_next_point();
 		return pcb_false;
+	}
 	else
 		return pcb_true;
 }