Index: obj_arc.h
===================================================================
--- obj_arc.h	(revision 20887)
+++ obj_arc.h	(revision 20888)
@@ -45,6 +45,7 @@
 
 /*** Memory ***/
 pcb_arc_t *pcb_arc_alloc(pcb_layer_t *);
+pcb_arc_t *pcb_arc_alloc_id(pcb_layer_t *layer, long int id);
 void pcb_arc_free(pcb_arc_t *data);
 
 pcb_arc_t *pcb_arc_new(pcb_layer_t *Layer, pcb_coord_t center_x, pcb_coord_t center_y, pcb_coord_t width_r, pcb_coord_t height_r, pcb_angle_t start_angle, pcb_angle_t delta_angle, pcb_coord_t Thickness, pcb_coord_t Clearance, pcb_flag_t Flags, pcb_bool prevent_dups);