Language switch is problematic for Emacs users in general, 'cause it messes with bindings.
So when I do emacs I use mule, which is mapped by default as C-/. It is not so bad if you remap Caps to Control, but still not one key.
So when I do emacs I use mule, which is mapped by default as C-/. It is not so bad if you remap Caps to Control, but still not one key.