Eli Zaretskii <eliz@gnu.org> writes:
> Can you test 24.4 or 24.3?

The tarball listed as emacs-24.4.tar.xz is actually 24.4.1.  Is that OK or should I checkout a specific tag?

The colleague running Debian is actually still here, so I tested there with 24.4.1.

% emacs -Q
(load "/path/to/clipmon.el")
M-x clipmon-mode

S-<down>-<down-mouse-1> causes the problem.

Joseph