default partial alphanumeric_keys
xkb_symbols "basic" {
    key <AE07> { [          7,     dollar,     sterling             ] };
    key <BKSL> { [      slash,        bar,   braceright             ] };
    key <CAPS> { [      Escape ] };
};

partial alphanumeric_keys
xkb_symbols "desktop" {
    include "ch-custom(basic)"

    key <MENU> { [      Super_R ] };
};

partial alphanumeric_keys
xkb_symbols "x1" {
    include "ch-custom(basic)"

    key <PRSC> { [    Super_R ] };
    key <PGUP> { [       Home ] };
    key <PGDN> { [        End ] };
    key <END>  { [  Page_Down ] };
    key <HOME> { [    Page_Up ] };
};