Eli Zaretskii <eliz@gnu.org> writes:

>> Date: Mon, 24 Mar 2025 06:45:27 -0300
>> From: Mauro Aranda <maurooaranda@gmail.com>

>>  > +(defun project-customize-dirlocals ()
>>  > +  "Run `customize-dirlocals' in current project's root."
>>  > +  (interactive)
>>  > +  (customize-dirlocals (concat (project-root (project-current t)) 
>> ".dir-locals.el")))
>>  > +

>> Would you change it to use file-name-concat or expand-file-name? From
>> past discussions, I think that using concat for file names is
>> discouraged.

> Yes, but file-name-concat is also not right here.  Please use
> expand-file-name.

Done.