bug#63764: 30.0.50; pixel-scroll-precision-mode starts skipping pages after selecting region

[Eli Zaretskii]

> From: Patrick Poitras <patrick.f.poitras@gmail.com>
> Date: Sun, 28 May 2023 10:52:13 -0700
> Cc: 63764@debbugs.gnu.org
> 
> Given it's 100% reproducible on my build, I went ahead with some testing of 
> configuration options. 
> 
> It seems related to PGTK. ./configure --with-pgtk has the bug whereas the 
> version without it does not.
> Given the warning message about using PGTK with X11, I assume that this falls 
> under the same
> umbrella, and that I should go complain to the package builders.

Thanks.  It'd be important to know whether this problem also exists on
the emacs-29 branch (I'd guess it does), in which case its urgency
will go up significantly.  Can someone please try this in a PGTK build
of the emacs-29 branch, and report back?  TIA.