198 static LINE	dol;  variable
509 		addr2 = dol;  in commands()
522 		addr2 = dol;  in commands()
570 		    (addr2 <= dol))  in commands()
714 		save28 = (dol != fendcore);  in commands()
742 		n = zero != dol;  in commands()
792 		if ((linebuf[0] != '.') && (zero != dol) &&  in commands()
793 		    (addr1 <= zero || addr2 > dol))  in commands()
863 					    (addr2 == dol))  in commands()
886 		    (addr2 == dol)) ? 0 : 1;  in commands()
1003 					if (a1 > dol)  in address()
1008 						a1 = dol;  in address()
1019 			a1 = dol;  in address()
1029 			for (a1 = zero; a1 <= dol; a1++)  in address()
1042 			if ((linebuf[0] != '.') && (a1 < zero || a1 > dol))  in address()
1065 		addr2 = dol;  in setall()
1066 		if (dol == zero)  in setall()
1084 	if ((linebuf[0] != '.') && (addr1 <= zero || addr2 > dol))  in nonzero()
1232 	if (dol > zero && fchange == 1) {  in onhup()
1234 		addr2 = dol;  in onhup()
1473 			if (dol->cur == 0L)break; /* Allow write of null file */  in putfile()
1498 		if (dol >= endcore) {  in append()
1507 		a1 = ++dol;  in append()
1650 	a3 = dol;  in rdelete()
1651 	dol -= a2 - a1;  in rdelete()
1656 	if (a1 > dol)  in rdelete()
1657 		a1 = dol;  in rdelete()
1667 	a3 = dol;  in gdelete()
1678 	dol = a1-1;  in gdelete()
1679 	if (dot > dol)  in gdelete()
1680 		dot = dol;  in gdelete()
1790 		if (dol != zero)  in blkio()
1835 	dot = zero = dol = savdot = savdol = fendcore;  in init()
1885 	for (a1 = zero; a1 <= dol; a1++) {  in global()
1897 	for (a1 = zero; a1 <= dol; a1++) {  in global()
2225 		ad1 = dol;  in move()
2227 		ad2 = dol;  in move()
2586 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
2604 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
3146 	savdol = dol;  in save()
3150 	for (i = zero + 1; i <= dol; i++)  in save()
3169 	tmpdol = dol; dol = savdol; savdol = tmpdol;  in undo()
3171 	for (i = zero + 1; i <= ((dol > savdol) ? dol : savdol); i++) {  in undo()