544 	wchar_t *ofd, *ols, *oe, *nfd, *nls, *ne;  in re_update_line()  local
555 	nfd = n;  in re_update_line()
578 	while (nfd < n) {  in re_update_line()
589 	if (*ofd == '\0' && *nfd == '\0') {  in re_update_line()
596 	while ((o > ofd) && (n > nfd) && (*--o == *--n))  in re_update_line()
613 		for (c = *ofd, n = nfd; n < nls; n++) {  in re_update_line()
624 				    (2 * (p - n) > n - nfd)) {  in re_update_line()
636 	if (*nfd) {  in re_update_line()
637 		for (c = *nfd, o = ofd; o < ols; o++) {  in re_update_line()
639 				for (n = nfd, p = o;  in re_update_line()
649 					nsb = nfd;  in re_update_line()
674 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
692 		if ((ols - ofd) < (nls - nfd)) {  in re_update_line()
708 		if ((ols - ofd) > (nls - nfd)) {  in re_update_line()
728 	fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
735 		nfd - new, nsb - new, nse - new, nls - new, ne - new));  in re_update_line()
744 	re_printstr(el, "new-nfd", new, nfd);  in re_update_line()
746 	re_printstr(el, "nfd-nsb", nfd, nsb);  in re_update_line()
805 	if ((nsb != nfd) && fx > 0 &&  in re_update_line()
808 		    (__F, "first diff insert at %td...\r\n", nfd - new));  in re_update_line()
812 		terminal_move_to_char(el, (int)(nfd - new));  in re_update_line()
824 				terminal_insertwrite(el, nfd, fx);  in re_update_line()
826 				    el->el_terminal.t_size.h, nfd, fx);  in re_update_line()
832 			len = (size_t) ((nsb - nfd) - fx);  in re_update_line()
833 			terminal_overwrite(el, (nfd + fx), len);  in re_update_line()
834 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
837 			len = (size_t)(nsb - nfd);  in re_update_line()
838 			terminal_overwrite(el, nfd, len);  in re_update_line()
839 			re__strncopy(ofd, nfd, len);  in re_update_line()
871 			len = (size_t) (nsb - nfd);  in re_update_line()
872 			terminal_overwrite(el, nfd, len);  in re_update_line()
873 			re__strncopy(ofd, nfd, len);  in re_update_line()
881 			terminal_overwrite(el, nfd, (size_t)(nsb - nfd));  in re_update_line()
931 	if ((nsb != nfd) && (osb - ofd) <= (nsb - nfd) && (fx == 0)) {  in re_update_line()
933 		    nfd - new));  in re_update_line()
935 		terminal_move_to_char(el, (int)(nfd - new));  in re_update_line()
946 			fx = (int)((nsb - nfd) - (osb - ofd));  in re_update_line()
953 				terminal_insertwrite(el, nfd, fx);  in re_update_line()
955 				    el->el_terminal.t_size.h, nfd, fx);  in re_update_line()
961 			len = (size_t) ((nsb - nfd) - fx);  in re_update_line()
962 			terminal_overwrite(el, (nfd + fx), len);  in re_update_line()
963 			re__strncopy(ofd + fx, nfd + fx, len);  in re_update_line()
966 			len = (size_t) (nsb - nfd);  in re_update_line()
967 			terminal_overwrite(el, nfd, len);  in re_update_line()
968 			re__strncopy(ofd, nfd, len);  in re_update_line()