MATTEO BECHINI

MATTEO BECHINI at

I'm using:
synclient TapButton1=1

...and it's ok...
See this note too:
https://wiki.debian.org/SynapticsTouchpad#Change_to_libinput_Xorg_driver_in_Debian_9_.22Stretch.22

With Gnome there no problems, tapping is the default, but actually I'm using LXQT.