In re-revert + ALPS_DUALPOINT case of #70, I edited /usr/lib/X11/xorg.conf.d/10-synaptics.conf to change options as shown in README.alps in xserver-xorg-input-synaptics source in vain.
In re-revert + ALPS_DUALPOINT case of #70, I edited /usr/lib/ X11/xorg. conf.d/ 10-synaptics. conf to change options as shown in README.alps in xserver- xorg-input- synaptics source in vain.