The keycode for Alt_R seems to have changed on Ubuntu. Update 113->108.

diff --git a/_Xmodmap b/_Xmodmap
index 8d1f56be18080b1e0cf97436aafe8f23c14dea41..8f67ab9d979601051341b014dc91f858fe9877a0 100644 (file)
--- a/_Xmodmap
+++ b/_Xmodmap
@@ -2,7 +2,7 @@
 ! Following http://www.in-ulm.de/~mascheck/X11/input8bit.html
 ! get keycodes with xev
 
-keycode 113 = Mode_switch
+keycode 108 = Mode_switch
 clear mod3
 add mod3 = Mode_switch