bug#64805: 28.2; XIM cursor position is incorrect

[Eli Zaretskii]

> From: YOSHINO Yoshihito <yy.y.ja.jp@gmail.com>
> Date: Sun, 23 Jul 2023 19:17:19 +0900
> 
> I use Debian in Japanese and `uim' for an XIM server,
> which is a default in Debian Japanese desktop.
> 
> Recently I have upgraded Debian to its new stable version,
> and subsequently upgraded Emacs from 27.1 to 28.2.
> 
> On Emacs 27.1, cursor position reported via XIM is the same as those in
> the current buffer, and uim displays its input candidate window adjacent
> to the position, as found in the attached screenshot `27.1.png'.
> This is the expected behavior.
> 
> On Emacs 28.2, however, the cursor position is far below and outside the
> Emacs frame, as found in the attached screenshot `28.2.png'.
> 
> I have bisected Emacs git repository between 27.1 and 28.2, and found
> that this regression has been caused by commit
> 2a64de5e982fb8b868b76626ac2e92ddfafc9ca5, which was introduced in the
> following bug report:
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=10867
> 
> Reverting the commit restores the expected behavior.

Maybe we should have a Lisp variable to control whether that change is
in effect.

Po Lu, any other ideas?  Perhaps this is already fixed in Emacs 29?

Thanks.