Update @aloiscochard's xorg conf with @csarven's touchpadconf.sh mods

71-synaptics_mod.conf

Section "InputClass"
    Identifier "touchpad"
    Driver "synaptics"
    MatchIsTouchpad "on"

    #1 finger = left click, 2 finger = right click, 3 finger = middle click 
    Option "TapButton2"   "3"
    Option "TapButton3"   "2"
    Option "ClickFinger2" "3"
    Option "ClickFinger3" "2"

    # enable horizontal two-finger scrolling (vertical is enabled by default)
    Option "HorizTwoFingerScroll" "1"

    # disable the top edge of the touchpad to prevent jittering when using the trackpoint
    Option "AreaTopEdge" "2500"

    # configure trackpoint buttons
    Option "RightButtonAreaLeft"    "3700"
    Option "RightButtonAreaRight"   "0"
    Option "RightButtonAreaTop"     "0"
    Option "RightButtonAreaBottom"  "2300"
    Option "MiddleButtonAreaLeft"   "2900"
    Option "MiddleButtonAreaRight"  "3500"
    Option "MiddleButtonAreaTop"    "0"
    Option "MiddleButtonAreaBottom" "2300"

    # enable palm detection to disable the touchpad while typing 
    Option "PalmDetect" "1"
    Option "PalmMinWidth" "8"
    Option "PalmMinZ" "100"
EndSection