! Acer C720 Chromebook keyboard, using "Search" key to reveal original keys.
! http://www.neowin.net/forum/topic/1173005-replacing-chrome-os-with-debian-jessie-on-the-samsung-series-3-chromebook/

! original Key    = remapped Key          Shift+Key Search+Key                    Control+Alt+Key
keysym  BackSpace = BackSpace             BackSpace Delete      BackSpace
keysym  F1        = XF86Back              F1        F1          F1        F1  F1  XF86Switch_VT_1
keysym  F2        = XF86Forward           F2        F2          F2        F2  F2  XF86Switch_VT_2
keysym  F3        = XF86Refresh           F3        F3          F3        F3  F3  XF86Switch_VT_3
keysym  F4        = XF86Display           F4        F4          F4        F4  F4  XF86Switch_VT_4
keysym  F5        = XF86Explorer          F5        F5          F5        F5  F5  XF86Switch_VT_5
keysym  F6        = XF86MonBrightnessDown F6        F6          F6        F6  F6  XF86Switch_VT_6
keysym  F7        = XF86MonBrightnessUp   F7        F7          F7        F7  F7  XF86Switch_VT_7
keysym  F8        = XF86AudioMute         F8        F8          F8        F8  F8  XF86Switch_VT_8
keysym  F9        = XF86AudioLowerVolume  F9        F9          F9        F9  F9  XF86Switch_VT_9
keysym  F10       = XF86AudioRaiseVolume  F10       F10         F10       F10 F10 XF86Switch_VT_10
keysym  Up        = Up                    NoSymbol  Prior
keysym  Left      = Left                  NoSymbol  Home
keysym  Right     = Right                 NoSymbol  End
keysym  Down      = Down                  NoSymbol  Next
keysym  Super_L   = Mode_switch           NoSymbol  Mode_switch
keycode 206       = NoSymbol              Super_L   NoSymbol    Super_L