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

[Juri Linkov]

>> +(defun other-project-prefix ()
>> +  "\"Switch\" to another project before running an Emacs command.
>> +Makes sure the next command invoked asks for the project to run it in."
>> +  (interactive)
>> +  (prefix-command-preserve-state)
>> +  (letrec ((depth (minibuffer-depth))
>
> In passing, this pattern where you letrec a hook that removes itself,
> and also consider minibuffer-depth, is now in several places.
> The one I am thinking of is vc-edit-next-command but I based that on
> some code of Juri's somewhere.
>
> It would be good to factor out a macro for this pattern, I think.

'display-buffer-override-next-command' doesn't contain 'letrec', but
uses the same pattern, so it could benefit from the new macro indeed.