Index: obj_subc.h
===================================================================
--- obj_subc.h	(revision 22679)
+++ obj_subc.h	(revision 22680)
@@ -2,7 +2,7 @@
  *                            COPYRIGHT
  *
  *  pcb-rnd, interactive printed circuit board design
- *  Copyright (C) 2017 Tibor 'Igor2' Palinkas
+ *  Copyright (C) 2017..2019 Tibor 'Igor2' Palinkas
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -163,6 +163,10 @@
 
 pcb_subc_t *pcb_subc_dup_at(pcb_board_t *pcb, pcb_data_t *dst, pcb_subc_t *src, pcb_coord_t dx, pcb_coord_t dy, pcb_bool keep_ids);
 
+/* Replace dst with a copy of src in place (preserving location and orientation
+   and attributes */
+pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src);
+
 /*** loops ***/
 
 #define PCB_SUBC_LOOP(top) do {                                     \