[xubuntu] Keyboard Layout

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http://ubuntuforums.org – I have problem with keyboard layout "English (US), English (international AltGr dead keys)". I add it, and all works fine, but when i restart xubuntu 12.04 LTS keyboard layout "English (US), ..." is missing and all keyboard layout settings is set to default. I need two keyboard layouts: SK, EN (US), but after restart only SK is available. EN not present. All parameters about keyboard layout works fine, until i restart xubuntu. After restart - all parameters about keyboard layout is set to defaults. How to add English (US) keyboard layout permanently and all settings (Hardware)