508 	Char *ofd, *ols, *oe, *nfd, *nls, *ne;  in re_update_line()  local
518 	ofd = o;  in re_update_line()
530 	while (ofd < o) {  in re_update_line()
553 	if (*ofd == '\0' && *nfd == '\0') {  in re_update_line()
560 	while ((o > ofd) && (n > nfd) && (*--o == *--n))  in re_update_line()
576 	if (*ofd) {  in re_update_line()
577 		for (c = *ofd, n = nfd; n < nls; n++) {  in re_update_line()
579 				for (o = ofd, p = n;  in re_update_line()
591 					osb = ofd;  in re_update_line()
601 		for (c = *nfd, o = ofd; o < ols; o++) {  in re_update_line()
612 				    (2 * (p - o) > o - ofd)) {  in re_update_line()
638 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
656 		if ((ols - ofd) < (nls - nfd)) {  in re_update_line()
672 		if ((ols - ofd) > (nls - nfd)) {  in re_update_line()
692 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
697 		ofd - old, osb - old, ose - old, ols - old, oe - old));  in re_update_line()
707 	re_printstr(el, "old-ofd", old, ofd);  in re_update_line()
709 	re_printstr(el, "ofd-osb", ofd, osb);  in re_update_line()
789 				re_insert(el, old, (int)(ofd - old),  in re_update_line()
798 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
803 			re__strncopy(ofd, nfd, len);  in re_update_line()
811 		    (__F, "first diff delete at %td...\r\n", ofd - old));  in re_update_line()
815 		terminal_move_to_char(el, (int)(ofd - old));  in re_update_line()
829 				re_delete(el, old, (int)(ofd - old),  in re_update_line()
837 			re__strncopy(ofd, nfd, len);  in re_update_line()
895 	if ((nsb != nfd) && (osb - ofd) <= (nsb - nfd) && (fx == 0)) {  in re_update_line()
910 			fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
918 				re_insert(el, old, (int)(ofd - old),  in re_update_line()
927 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
932 			re__strncopy(ofd, nfd, len);  in re_update_line()