For fixed width fonts where full width characters are longer than half width ones, full width characters will make the scrolling section longer. When they are no longer in the scrolling section, other characters will be left behind where there should be nothing.
For fixed width fonts where full width characters are longer than half width ones, full width characters will make the scrolling section longer. When they are no longer in the scrolling section, other characters will be left behind where there should be nothing.