bug#11233: 24.1.50; Wishlist: dired mouse-2 other window behavior

[martin rudalics]

> As mentioned months ago, I'd like to move away from all the
> foo(|-other-(frame-window)) madness since I suspect that most users
> only use one of those alternatives.
>
> So instead, we should only have `find-file' (which the user could
> customize the use this-window, other-window, or other-frame) and that
> would be complemented by new prefix commands that cause the next command
> to use "other-window" or "this-window" or "other-frame".

What would an appropriate prefix be and how would it coexist with
ctl-x-4-map and ctl-x-5-map?

martin