Okay, apparently this is caused by this option being set: Option "XkbOptions" "lv3:ralt_switch"
Why is this on by default? en_CA, us keyboard layout here -- (Edgy) Right Alt Key generates ISO_Level3_Shift instead of Alt_R on Logitech Keyboard https://launchpad.net/bugs/63365 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
