fix keyboard settings for usb keyboard

20-keyboard.conf

@@ -0,0 +1,9 @@
+# ln -s this /etc/X11/xorg.conf.d
+
+Section "InputClass"
+    Identifier             "Keyboard Defaults"
+    MatchIsKeyboard        "yes"
+#    Option                 "XkbModel" "acer_laptop"
+#    Option                 "XkbLayout" "jp"
+    Option                 "XkbOptions" "ctrl:nocaps,ctrl:menu_rctrl"
+EndSection

xinitrc

@@ -1,8 +1,7 @@
 test "`hostname`" == "arch-aspireone" &&
 setxkbmap -model "acer_laptop" -layout "jp" # this line must comes first
 
-setxkbmap -option "ctrl:nocaps"
-xmodmap -e 'keycode 135 = Alt_R Meta_R' # menu key as alt
+setxkbmap -option "ctrl:nocaps,ctrl:menu_rctrl"
 xmodmap -e 'keycode 101 = Alt_R Meta_R' # hiragana key as alt
 #xmodmap -e 'remove Lock = Caps_Lock'
 #xmodmap -e 'add Control = Caps_Lock'