message: [libterminal] Screen: CUU bugfix?
diff: @@ -662,7 +662,7 @@ void Screen::operator()(MoveCursorUp const& v)
  v.n,
  cursorPosition().row > buffer_->margin_.vertical.from
  ? cursorPosition().row - buffer_->margin_.vertical.from
  - : cursorPosition().row
  + : cursorPosition().row - 1
  );
  buffer_->cursor.position.row -= n;
  