Re: Subprojects in project.el (Was: Eglot, project.el, and python virtual environments)

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Wed, 23 Nov 2022 20:33:04 +0000
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>,
>  Danny Freeman <danny@dfreeman.email>, 
>  Eric Abrahamsen <eric@ericabrahamsen.net>, emacs-devel <emacs-devel@gnu.org>
> 
>   (defun joaot/sub-projects (dir)
>     (let* ((super (project-current))
>            (super-root (project-root super))
>            (relative (file-relative-name dir super-root))
>            (d (car (split-string relative "/"))))
>       (when (member d '("lisp" "src"))
>         (cons 'transient (expand-file-name (concat d "/") super-root)))))

Is this okay for code outside project.el to know the internal structure of a
project object in general, and in particular cons "by hand" a 'transient'
project object?  I thought this was a closely-guarded implementation detail
that even doc strings are not allowed to divulge?