XSH_D(su_debug_log("%p: ### su_init(cxix=%d, size=%d)\n", ud, cxix, size));
depth = PL_scopestack_ix - cxstack[cxix].blk_oldscopesp;
XSH_D(su_debug_log("%p: ### su_init(cxix=%d, size=%d)\n", ud, cxix, size));
depth = PL_scopestack_ix - cxstack[cxix].blk_oldscopesp;