将普通键变成组合键。
.
作为 Super_R使用 xmodmap 修改映射:
! add modifier
add mod4 = period
! assign the keycode to the modifier
keycode 60 = Super_R
! use a spare keycode (for xcape)
keycode 255 = period greater
xcape -e Super_R=period
/usr/include/X11/keysymdef.h