$groups->{def}{''}{$_} .= ' ext' for keys %xkb;
$groups->{flag}{ext} = ['xkb', 'unofficial extensions added in Linux (Gnome, KDE)'];
$groups->{def}{''}{$_} .= ' ext' for keys %xkb;
$groups->{flag}{ext} = ['xkb', 'unofficial extensions added in Linux (Gnome, KDE)'];