Index: dimension.c
===================================================================
--- dimension.c	(revision 28895)
+++ dimension.c	(revision 28896)
@@ -304,9 +304,10 @@
 
 }
 
-static void pcb_dimension_float_new(pcb_subc_t *subc, pcb_any_obj_t *floater)
+static pcb_extobj_new_t pcb_dimension_float_new(pcb_subc_t *subc, pcb_any_obj_t *floater)
 {
 	pcb_trace("dim: float new %ld %ld\n", subc->ID, floater->ID);
+	return PCB_EXTONEW_SPAWN;
 }
 
 static pcb_extobj_del_t pcb_dimension_float_del(pcb_subc_t *subc, pcb_any_obj_t *floater)
Index: line_of_vias.c
===================================================================
--- line_of_vias.c	(revision 28895)
+++ line_of_vias.c	(revision 28896)
@@ -195,9 +195,10 @@
 	line_of_vias_gen(subc, edit_obj);
 }
 
-static void pcb_line_of_vias_float_new(pcb_subc_t *subc, pcb_any_obj_t *floater)
+static pcb_extobj_new_t pcb_line_of_vias_float_new(pcb_subc_t *subc, pcb_any_obj_t *floater)
 {
 	pcb_trace("LoV: float new %ld %ld\n", subc->ID, floater->ID);
+	return PCB_EXTONEW_FLOATER;
 }
 
 static pcb_extobj_del_t pcb_line_of_vias_float_del(pcb_subc_t *subc, pcb_any_obj_t *floater)