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

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sun, 20 Aug 2023 22:14:58 +0900
> From: Kazuhiro Ito <kzhr@d1.dion.ne.jp>
> Cc: Po Lu <luangruo@yahoo.com>,
> 	65070@debbugs.gnu.org,
> 	hiroya.ebine1@gmail.com,
> 	max@mal-richtig.de
> 
> > > > Po Lu, is this expected?  Or, put it another way: how would a user set
> > > > up Emacs for smooth scrolling when the touchpad can produce scrolling
> > > > amounts smaller than "one scroll unit"?
> > > 
> > > By enabling pixel-scroll-precision-mode, thanks.
> > 
> > Kazuhiro Ito and Max, could you perhaps try that and provide feedback?
> > I wrote that code flying blind, having no access to a system where the
> > scrolling gestures could provide such fine resolution.  So I would be
> > interested to know the results.
> 
> Enabling pixel-scroll-precision-mode provides more smoother,
> pixel-based scrolling on Windows!
> 
> FYI, mwheel-coalesce-scroll-events is automatically set to nil by
> pixel-scroll-precision-mode.

Thanks, I'm glad to know the code I wrote and couldn't test does its
job.