CHANGED_RANGE
CHANGED_RANGE(line, x, (NCURSES_SIZE_T) (x + n - 1));
CHANGED_RANGE(line, start, end);
CHANGED_RANGE(line, start, end);
CHANGED_RANGE(line, left, right);
CHANGED_RANGE(line, left, right);
CHANGED_RANGE(line, start, end);
CHANGED_RANGE(line, ix1 - PSTARTX(pan2), ix2 - PSTARTX(pan2));\