RE: Add -other-{window, frame} variants of project-prefix-map commands

[Drew Adams]

> What it's necessary to do is:
> 
> 1. Bind ‘C-x 4’ to a new command that will set a transient value of
>    display-buffer-overriding-action and a transient keymap to the
>    other-window commands keymap.
> 
> 2. Enable switch-to-buffer-obey-display-actions by default,
>    so all buffer-switching commands (e.g. ‘C-h C-t’, ‘C-h C-p’, ‘C-h n’
>    and many other such commands) will obey display-buffer-overriding-action.

Please don't do that.