504 	Char *ofd, *ols, *oe, *nfd, *nls, *ne;  in re_update_line()  local
514 	ofd = o;  in re_update_line()
526 	while (ofd < o) {  in re_update_line()
549 	if (*ofd == '\0' && *nfd == '\0') {  in re_update_line()
556 	while ((o > ofd) && (n > nfd) && (*--o == *--n))  in re_update_line()
572 	if (*ofd) {  in re_update_line()
573 		for (c = *ofd, n = nfd; n < nls; n++) {  in re_update_line()
575 				for (o = ofd, p = n;  in re_update_line()
587 					osb = ofd;  in re_update_line()
597 		for (c = *nfd, o = ofd; o < ols; o++) {  in re_update_line()
608 				    (2 * (p - o) > o - ofd)) {  in re_update_line()
634 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
652 		if ((ols - ofd) < (nls - nfd)) {  in re_update_line()
668 		if ((ols - ofd) > (nls - nfd)) {  in re_update_line()
688 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
693 		ofd - old, osb - old, ose - old, ols - old, oe - old));  in re_update_line()
703 	re_printstr(el, "old-ofd", old, ofd);  in re_update_line()
705 	re_printstr(el, "ofd-osb", ofd, osb);  in re_update_line()
785 				re_insert(el, old, (int)(ofd - old),  in re_update_line()
794 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
799 			re__strncopy(ofd, nfd, len);  in re_update_line()
807 		    (__F, "first diff delete at %d...\r\n", ofd - old));  in re_update_line()
811 		terminal_move_to_char(el, (int)(ofd - old));  in re_update_line()
825 				re_delete(el, old, (int)(ofd - old),  in re_update_line()
833 			re__strncopy(ofd, nfd, len);  in re_update_line()
891 	if ((nsb != nfd) && (osb - ofd) <= (nsb - nfd) && (fx == 0)) {  in re_update_line()
906 			fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
914 				re_insert(el, old, (int)(ofd - old),  in re_update_line()
923 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
928 			re__strncopy(ofd, nfd, len);  in re_update_line()