bug#65070: 29.1; (Only on Windows) Both touchpad scroll gestures scroll the screen up and down.

[Hiroya Ebine]

> Is step 2 necessary for reproducing the problem?  That is, does the
> problem only happen at the end of a buffer?

No, step 2 is not required. This problem does not only occur at the
bottom of the buffer.

> After you do the above, what does "C-h l" show?

 <f1> i              ;; info
 ESC >              ;; end-of-buffer
 <wheel-down>          ;; mwheel-scroll
 <double-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <wheel-down>          ;; mwheel-scroll
 <double-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 <triple-wheel-down>      ;; mwheel-scroll
 C-h l              ;; view-lossage

Thank you.