HALFTEXT
lcnt = vs_sm_nlines(sp, TMAP, LNO, HALFTEXT(sp));
if (lcnt < HALFTEXT(sp)) {
lcnt = vs_sm_nlines(sp, HMAP, LNO, HALFTEXT(sp));
if (lcnt < HALFTEXT(sp)) {
if (lcnt < HALFTEXT(sp)) {
lcnt = vs_sm_nlines(sp, &tmp, LNO, HALFTEXT(sp));
if (lcnt < HALFTEXT(sp)) {
if ((HMAP->soff - cnt) > HALFTEXT(sp)) {
if ((cnt - TMAP->soff) > HALFTEXT(sp)) {
&tmp, lno, HALFTEXT(sp)) <= HALFTEXT(sp)) {
&tmp, lno, HALFTEXT(sp)) <= HALFTEXT(sp)) {