Index: obj_pstk.h
===================================================================
--- obj_pstk.h	(revision 12919)
+++ obj_pstk.h	(revision 12920)
@@ -137,7 +137,11 @@
 /* grow (or shrink) a prototype to or by val - change the proto in place */
 void pcb_pstk_proto_grow(pcb_pstk_proto_t *proto, pcb_bool is_absolute, pcb_coord_t val);
 
+/* Remove a shape from the proto (either by layer or by idx) */
+void pcb_pstk_proto_del_shape(pcb_pstk_proto_t *proto, pcb_layer_type_t lyt, pcb_layer_combining_t comb);
+void pcb_pstk_proto_del_shape_idx(pcb_pstk_proto_t *proto, int idx);
 
+
 /*** hash ***/
 unsigned int pcb_pstk_hash(const pcb_pstk_proto_t *p);
 int pcb_pstk_eq(const pcb_pstk_proto_t *p1, const pcb_pstk_proto_t *p2);