Index: trunk/src/obj_pstk.h
===================================================================
--- trunk/src/obj_pstk.h	(revision 30046)
+++ trunk/src/obj_pstk.h	(revision 30047)
@@ -200,7 +200,7 @@
 /* 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);
 void pcb_pstk_shape_grow(pcb_pstk_shape_t *shp, pcb_bool is_absolute, pcb_coord_t val);
-void pcb_pstk_shape_clr_grow(pcb_pstk_shape_t *shp, pcb_bool is_absolute, pcb_coord_t val);
+void pcb_pstk_shape_clr_grow(pcb_pstk_shape_t *shp, pcb_bool is_absolute, pcb_coord_t val, int undoable);
 void pcb_pstk_shape_scale(pcb_pstk_shape_t *shp, double sx, double sy);
 
 /* Derive (copy and bloat) the shape at dst_idx from src_idx; set the mask and comb
Index: trunk/src/obj_pstk_proto.c
===================================================================
--- trunk/src/obj_pstk_proto.c	(revision 30046)
+++ trunk/src/obj_pstk_proto.c	(revision 30047)
@@ -1212,7 +1212,7 @@
 	}
 }
 
-void pcb_pstk_shape_clr_grow(pcb_pstk_shape_t *shp, pcb_bool is_absolute, pcb_coord_t val)
+void pcb_pstk_shape_clr_grow(pcb_pstk_shape_t *shp, pcb_bool is_absolute, pcb_coord_t val, int undoable)
 {
 TODO("padstack: undo")
 	if (is_absolute)
Index: trunk/src_plugins/dialogs/dlg_padstack.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_padstack.c	(revision 30046)
+++ trunk/src_plugins/dialogs/dlg_padstack.c	(revision 30047)
@@ -361,7 +361,7 @@
 		pcb_pstkop_clip(&ctx, pse->ps);
 
 		for(n = 0; n < proto->tr.used; n++)
-			pcb_pstk_shape_clr_grow(&proto->tr.array[n].shape[sidx], pcb_true, pse->attrs[pse->proto_clr[idx]].val.crd);
+			pcb_pstk_shape_clr_grow(&proto->tr.array[n].shape[sidx], pcb_true, pse->attrs[pse->proto_clr[idx]].val.crd, 1);
 
 		ctx.clip.clear = 1;
 		ctx.clip.restore = 0;