On 05/05/2024 19:40, Juri Linkov wrote:
>> We would want 'C-h' to show the regular buffer with key bindings, won't we?
>> With similar output to the one that we get after 'C-x p C-h' or 'C-x
>> v C-h'. The output might be weirder because of the composed keymap, but it
>> could still be useful.
> 
> Then maybe something like
> 
>    (define-key map (vector help-char)
>                (lambda () (interactive) (describe-bindings)))
> 
> or
> 
>    (define-key map (vector help-char)
>                (lambda () (interactive) (describe-keymap (cons 'keymap (current-active-maps)))))
> 
> or
> 
>    (define-key map (vector help-char)
>                (lambda () (interactive) (describe-keymap (cons 'keymap project-prefix-map))))

This actually seems unnecessary. See the attached latest version where 
the binding works automatically without explicit assignment.

>>> However, a much bigger problem is that unfortunately many test cases from
>>> https://debbugs.gnu.org/63648#203 are broken.  For example,
>>> 'C-x p p C-b' fails the same way as in bug#58784.
>>> 'C-x p p f M-n' fails because it expects to read arguments
>>> in a previous project with an old value of default-directory, etc.
>>
>> Thanks for noticing. Looks like the call to project-prompter can change the
>> value of this-command, and that's why the subsequent check went down the
>> wrong branch. See the attached v3 with the fix.
> 
> Wow, everything works now, will test more as a primary 'C-x p p' command.

Thanks, let me know if you find any other problems.