+scav_vector_nil(lispobj *where, lispobj object)
+{
+ return 2;
+}
+
+static lispobj
+trans_vector_nil(lispobj object)
+{
+ gc_assert(is_lisp_pointer(object));
+ return copy_unboxed_object(object, 2);
+}
+
+static int
+size_vector_nil(lispobj *where)
+{
+ /* Just the header word and the length word */
+ return 2;
+}
+
+static int