Index: obj_subc.h
===================================================================
--- obj_subc.h	(revision 9790)
+++ obj_subc.h	(revision 9791)
@@ -49,7 +49,10 @@
 
 void pcb_subc_mirror(pcb_data_t *data, pcb_subc_t *subc, pcb_coord_t y_offs);
 
+/* changes the side of the board an element is on; returns pcb_true if done */
+pcb_bool pcb_subc_change_side(pcb_subc_t *subc, pcb_coord_t yoff);
 
+
 void XORDrawSubc(pcb_subc_t *sc, pcb_coord_t DX, pcb_coord_t DY);
 
 #include "rtree.h"