@PeterJones
Thank you for your answer.
There’s enough text to be scrolled and the View > Word Wrap is off (automatic line feedback is not activated).
However, I don’t have the horizontal scrollbar available at the bottom of the window like on your screenshot. Perhaps there’s another parameter to consider.
@guy038
Thank you for your answer.
Your solution works correctly.
My mouse supports horizontal scrolling. It is another solution but less natural for me.
The horizontal scrolling is a usual way on many Windows software.