default partial xkb_symbols "mac_onelvlsym" {
    // LEFT to Begin Line
    replace key <LEFT> {
        type[Group1]= "ONE_LEVEL_CTRL",
        symbols[Group1]= [         Left,         Left, NoSymbol ],
        actions[Group1]= [      NoAction(),      NoAction(), RedirectKey(key=<HOME>,clearmods=Control)]
    };
    // Right to End of Line
    replace key <RGHT> {
        type[Group1]= "ONE_LEVEL_CTRL",
        symbols[Group1]= [         Right,         Right, NoSymbol ],
        actions[Group1]= [      NoAction(),      NoAction(), RedirectKey(key=<END>,clearmods=Control)]
    };
    // Up to Mac Home
    replace key <UP> {
        type[Group1]= "ONE_LEVEL_CTRL",
        symbols[Group1]= [         Up, NoSymbol ],
        actions[Group1]= [      NoAction(),      NoAction(), RedirectKey(key=<HOME>)]
    };
    // Down to Mac End
    replace key <DOWN> {
        type[Group1]= "ONE_LEVEL_CTRL",
        symbols[Group1]= [         Down, NoSymbol ],
        actions[Group1]= [      NoAction(),      NoAction(), RedirectKey(key=<END>)]
    };
};