caseBPLIST_DICT:/* returning a raw dict, it forward-references, so. */
new_node->length=new_node->length*2;// dicts lie
caseBPLIST_ARRAY:/* returning a raw array, it forward-references, so. */
new_node->intval8=ref_size;// in arrays and dicts, the "ref size" alluded to in the trailer applies, and should be stored in intval8 so as to save space.