228 	Lextok *Re = nn(ZN, UNLESS, ZN, ZN);  in do_unless()  local
229 	Re->ln = No->ln;  in do_unless()
230 	Re->fn = No->fn;  in do_unless()
251 		Re->sl = No->lft->sl;  in do_unless()
253 		open_seq(0); add_seq(Re);  in do_unless()
254 		Re = nn(ZN, tok, ZN, ZN);  in do_unless()
255 		Re->sl = seqlist(close_seq(7), 0);  in do_unless()
256 		Re->ln = No->ln;  in do_unless()
257 		Re->fn = No->fn;  in do_unless()
259 		Re = nn(No, ':', Re, ZN);	/* lift label */  in do_unless()
260 		Re->ln = No->ln;  in do_unless()
261 		Re->fn = No->fn;  in do_unless()
262 		return Re;  in do_unless()
268 	Re->sl = Sl;  in do_unless()
269 	return Re;  in do_unless()