Cursor Next Line (CNL)
amount = 1
amount lines down and to the beginning of the line.
amount is 0, it is adjusted to 1.
This is a composition of cursor down with the given
amount parameter and carriage return.
amount is 0, does not adjust it to 1.
🛈 Before version 21.12.0, the current scroll region was ignored.
🛆 If cursor origin is active the cursor is constrained to the current scroll region. Otherwise the scroll region is ignored.