Index: data.h
===================================================================
--- data.h	(revision 11698)
+++ data.h	(revision 11699)
@@ -130,7 +130,12 @@
 /* Set up all data layers as bound layers to pcb's Data */
 void pcb_data_bind_board_layers(pcb_board_t *pcb, pcb_data_t *data, int share_rtrees);
 
+/* Make sure there are no negative coords in data, knowing the bbox of the data */
+int pcb_data_normalize_(pcb_data_t *data, pcb_box_t *data_bbox);
 
+/* Make sure there are no negative coords in data (calculates the bbox of the data) */
+int pcb_data_normalize(pcb_data_t *data);
+
 /* Returns the top level pcb related to a data, or NULL if the data is floating
    (e.g. is a global buffer) */
 pcb_board_t *pcb_data_get_top(pcb_data_t *data);