bug#70577: [PATCH] New command other-project-prefix

[Juri Linkov]

>>>> Speaking of the implementation strategy, though, I think the current
>>>> other-project-prefix implementation still doesn't work well together with
>>>> project-other-*-command.
>>> I suppose we could just blacklist some known prefix commands (*) in the
>>> same form where we now compare (eq this-command 'other-project-prefix), but
>>> it would be nice to distinguish prefix commands from "real" ones somehow.
>>>
>>> (*) project-other-window-command, project-other-frame-command,
>>> project-other-tab-command, some others?
>> I remember that other-commands worked in one of your previous patches.
>
> Maybe only when they went down the
>
>   (if (< emacs-major-version 30)
>
> code path?

Nope, only 30.  (But it's possible that I mistyped 'C-x p p' instead of 'C-x p 
P'.)

> Conversely, calling project--other-place-prefix ends the current command,
> and the dynamic binding ends there too.

set-transient-map has the arg KEEP-PRED that could be used to keep the map
for a sequence of commands, but its use might be tricky.