Index: obj_subc.h
===================================================================
--- obj_subc.h	(revision 22694)
+++ obj_subc.h	(revision 22695)
@@ -164,8 +164,10 @@
 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, pcb_bool add_undo);
+   and attributes. If add_undo is true, add the old subc del and the new subc
+   creation to the undo list. If dub is true, do not try to match rotation or
+   pick up coords, just use crosshair and current loc. */
+pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src, pcb_bool add_undo, pcb_bool dumb);
 
 /*** loops ***/