Index: board.h
===================================================================
--- board.h	(revision 16003)
+++ board.h	(revision 16004)
@@ -149,9 +149,11 @@
 /* free the board and remove its undo list */
 void pcb_board_remove(pcb_board_t *Ptr);
 
-/* sets cursor grid with respect to grid offset values */
+/* sets cursor grid with respect to grid offset values or default unit*/
 void pcb_board_set_grid(pcb_coord_t Grid, pcb_bool align, pcb_coord_t ox, pcb_coord_t oy);
+void pcb_board_set_unit(pcb_board_t *pcb, const pcb_unit_t *new_unit);
 
+
 /* sets a new line thickness */
 void pcb_board_set_line_width(pcb_coord_t Size);