Re: master ce4ec17: Fix display-buffer-override-next-command to call action only once (bug#39722)

[Stefan Monnier]

>>>>> I'd rather try and avoid this complexity because I think it will become
>>>>> problematic as more prefix commands get written.  E.g. the ordering
>>>>> problem doesn't only affect `C-u` but all other prefix commands, such as
>>>>> `C-x RET c` (there currently aren't others bundled with Emacs, but there
>>>>> are others out there).
>>>> Hmm, I didn't know that set-buffer-file-coding-system supports a prefix 
>>>> arg:
>>>> `C-u C-x RET f`.
>> Not sure how that relates to the previous paragraph.
> I just discovered a prefix command that supports a prefix arg.
> This doesn't mean of course that it should set a precedent
> for other commands to follow.

AFAIK `C-x RET f` is not a prefix command.

>> Since I use `C-x 4` instead of `C-x 4 4`, I'd say that `C-x 1` would be
>> the "natural" choice, but that's also already taken :-(
> But you can still use `C-x 4 1` as a submap of your `C-x 4` map where commands
> of the submap will display the buffer in the same window.

Hmm... maybe `C-x 4 1` is a good choice for `same-window-prefix`.


        Stefan