ROWS_LEFT
edp->crow += uimin(NORMALIZE_ARG(0), ROWS_LEFT);
if (ROWS_LEFT > 0) {
edp->crow + 1, ROWS_LEFT, edp->curattr);
n = uimin(NORMALIZE_ARG(0), ROWS_LEFT + 1);
n = uimin(NORMALIZE_ARG(0), ROWS_LEFT + 1);