Keyboard layout problem Ubuntu 13.10

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http://ubuntuforums.org – I just upgraded from 13.04 to 13.10 and of course - my keyboard layout has changed. I used to switch sources with Left Alt+Shift but now its something else. I know how to change it, but every time I try changing it to Alt+Shift it writes this instead - Alt+Mod2+Next Group- (then when pressing Alt+Shift nothing happens) Whats that about!?!? Now I don't have num lock key on my keyboard so that can't be it. AND if I try to change it to 'Alt+g' for example, it works... Also - if anyone knows how to make it that "switch to next source" == "switch to previous source", I really (Hardware)