Index: obj_arc.c
===================================================================
--- obj_arc.c	(revision 20887)
+++ obj_arc.c	(revision 20888)
@@ -74,12 +74,12 @@
 	PCB_CLEAR_PARENT(arc);
 }
 
-pcb_arc_t *pcb_arc_alloc(pcb_layer_t * layer)
+pcb_arc_t *pcb_arc_alloc_id(pcb_layer_t *layer, long int id)
 {
 	pcb_arc_t *new_obj;
 
 	new_obj = calloc(sizeof(pcb_arc_t), 1);
-	new_obj->ID = pcb_create_ID_get();
+	new_obj->ID = id;
 	new_obj->type = PCB_OBJ_ARC;
 	new_obj->Attributes.post_change = pcb_obj_attrib_post_change;
 
@@ -88,6 +88,11 @@
 	return new_obj;
 }
 
+pcb_arc_t *pcb_arc_alloc(pcb_layer_t *layer)
+{
+	return pcb_arc_alloc_id(layer, pcb_create_ID_get());
+}
+
 /* computes the bounding box of an arc */
 static pcb_box_t pcb_arc_bbox_(const pcb_arc_t *Arc, int mini)
 {