Index: trunk/src/insert.c
===================================================================
--- trunk/src/insert.c	(revision 5296)
+++ trunk/src/insert.c	(revision 5297)
@@ -37,6 +37,7 @@
 #include "undo.h"
 
 #include "obj_line_op.h"
+#include "obj_arc_op.h"
 #include "obj_rat_op.h"
 #include "obj_poly_op.h"
 
@@ -54,7 +55,7 @@
 	NULL,
 	NULL,
 	NULL,
-	NULL,
+	pcb_arc_insert_point,
 	InsertPointIntoRat,
 	NULL
 };
Index: trunk/src/insert.h
===================================================================
--- trunk/src/insert.h	(revision 5296)
+++ trunk/src/insert.h	(revision 5297)
@@ -31,7 +31,7 @@
 
 #include "config.h"
 
-#define	PCB_INSERT_TYPES	(PCB_TYPE_POLYGON | PCB_TYPE_LINE | PCB_TYPE_RATLINE)
+#define	PCB_INSERT_TYPES	(PCB_TYPE_POLYGON | PCB_TYPE_LINE | PCB_TYPE_ARC | PCB_TYPE_RATLINE)
 
 /* ---------------------------------------------------------------------------
  * prototypes
Index: trunk/src/obj_arc.c
===================================================================
--- trunk/src/obj_arc.c	(revision 5296)
+++ trunk/src/obj_arc.c	(revision 5297)
@@ -608,6 +608,33 @@
 	return (Arc);
 }
 
+void *pcb_arc_insert_point(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *arc)
+{
+	pcb_angle_t end_ang = arc->StartAngle + arc->Delta;
+	pcb_coord_t x = pcb_crosshair.X, y = pcb_crosshair.Y;
+	pcb_angle_t angle = atan2(-(y - arc->Y), (x - arc->X)) * 180.0 / M_PI + 180.0;
+	pcb_arc_t *new_arc;
+
+	if (end_ang > 360.0)
+		end_ang -= 360.0;
+	if (end_ang < -360.0)
+		end_ang += 360.0;
+
+	if ((arc->Delta < 0) || (arc->Delta > 180))
+		new_arc = pcb_arc_new(Layer, arc->X, arc->Y, arc->Width, arc->Height, angle, end_ang - angle + 360.0, arc->Thickness, arc->Clearance, arc->Flags);
+	else
+		new_arc = pcb_arc_new(Layer, arc->X, arc->Y, arc->Width, arc->Height, angle, end_ang - angle, arc->Thickness, arc->Clearance, arc->Flags);
+
+	if (new_arc != NULL) {
+		PCB_FLAG_CHANGE(PCB_CHGFLG_SET, PCB_FLAG_FOUND, new_arc);
+		if (arc->Delta < 0)
+			pcb_arc_set_angles(Layer, arc, arc->StartAngle, angle - arc->StartAngle - 360.0);
+		else
+			pcb_arc_set_angles(Layer, arc, arc->StartAngle, angle - arc->StartAngle);
+	}
+	return new_arc;
+}
+
 /*** draw ***/
 void _draw_arc(pcb_arc_t * arc)
 {
Index: trunk/src/obj_arc_op.h
===================================================================
--- trunk/src/obj_arc_op.h	(revision 5296)
+++ trunk/src/obj_arc_op.h	(revision 5297)
@@ -44,3 +44,7 @@
 void *DestroyArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
 void *RemoveArc_op(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
 void *RotateArc(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc);
+
+void *pcb_arc_insert_point(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *arc);
+
+