225 		nv_delete(np,root,NV_NOFREE);  in nv_addnode()
243 			nv_delete(sp->nodes[0],root,NV_NOFREE);  in nv_addnode()
395 				if(nv_isattr(np,NV_NOFREE) && nv_isnull(np))  in nv_setlist()
396 					nv_offattr(np,NV_NOFREE);  in nv_setlist()
497 …if(!(arg->argflag&ARG_APPEND) && nv_isattr(np,NV_BINARY|NV_NOFREE|NV_RAW)!=(NV_BINARY|NV_NOFREE|NV…  in nv_setlist()
587 					L_ARGNOD->nvflag = NV_REF|NV_NOFREE;  in nv_setlist()
851 								nv_delete(np,(Dt_t*)0,NV_NOFREE);  in nv_create()
905 								nv_onattr(np,NV_INTEGER|NV_NOFREE);  in nv_create()
1015 					nofree = NV_NOFREE;  in nv_create()
1285 	if(root || !(flags&NV_NOFREE))  in nv_delete()
1305 			if(!(flags&NV_NOFREE) && ((flags&NV_FUNCTION) || !nv_subsaved(np)))  in nv_delete()
1646 	if(flags&(NV_NOREF|NV_NOFREE))  in nv_putval()
1648 		if(np->nvalue.cp && np->nvalue.cp!=sp && !nv_isattr(np,NV_NOFREE))   in nv_putval()
1651 		nv_setattr(np,(flags&~NV_RDONLY)|NV_NOFREE);  in nv_putval()
1812 					nv_onattr(np,NV_NOFREE);  in nv_putval()
1888 		if(!nv_isattr(np, NV_NOFREE))  in nv_putval()
1912 						nv_offattr(np,NV_NOFREE);  in nv_putval()
1923 				nv_offattr(np,NV_NOFREE);  in nv_putval()
1975 					nv_onattr(np,NV_NOFREE);  in nv_putval()
1987 					nv_offattr(np,NV_NOFREE);  in nv_putval()
2308 			if(sp->scanflags==NV_FUNCTION || sp->scanflags==(NV_NOFREE|NV_BINARY|NV_RAW))  in scanfilter()
2414 	if(nv_isattr(np,NV_EXPORT|NV_NOFREE))  in sh_envnolocal()
2418 			nv_offattr(np,NV_NOFREE|NV_REF);  in sh_envnolocal()
2518 		if(slp && !nv_isattr(np,NV_NOFREE))  in _nv_unset()
2602 		if(up->cp!=Empty && up->cp!=Null && !nv_isattr(np, NV_NOFREE))  in _nv_unset()
2652                 if(!nv_isnull(np) || np->nvfun || nv_isattr(np,~NV_NOFREE))  in tableval()
3046 		nv_offattr(np, ~NV_NOFREE);  in nv_newattr()
3106 		np->nvflag &= (NV_ARRAY|NV_NOFREE);  in nv_newattr()
3372 			nv_delete(nr,(Dt_t*)0,NV_NOFREE);  in nv_rename()
3500 	nv_onattr(np,NV_REF|NV_NOFREE);  in nv_setref()
3582 	nv_offattr(np,NV_NOFREE|NV_REF);  in nv_unref()