Index: obj_pstk.h
===================================================================
--- obj_pstk.h	(revision 14757)
+++ obj_pstk.h	(revision 14758)
@@ -87,7 +87,8 @@
 void pcb_pstk_bbox(pcb_pstk_t *ps);
 void pcb_pstk_copper_bbox(pcb_box_t *dst, pcb_pstk_t *ps);
 
-/* hash */
+/* hash and eq */
+int pcb_pstk_eq(const pcb_host_trans_t *tr1, const pcb_pstk_t *p1, const pcb_host_trans_t *tr2, const pcb_pstk_t *p2);
 unsigned int pcb_pstk_hash(const pcb_host_trans_t *tr, const pcb_pstk_t *p);