Re: project.el and merging multiple projects into one?

[Dmitry Gutov]

On 29.04.2022 19:13, Alfred M. Szmidt wrote:
>     > We are talking about seperate, sometimes different, revision control
>     > systems, or even entierly different locations.
>
>     Different locations meaning the project root directories are not nested?
>
> Yes.

Not sure if any of the existing backends support that natively.

>     >     Otherwise, it depends on how the sub-projects are structured. Which
>     >     project backend is responsible for them, for instance.
>     >
>     > What is that? I could not find any documentation what so ever on
>     > project.el.
>
>     There is a fair number of words written in its header commentary.
>
> None of which actually explain anything sufficiently to understand how
> to create a backend, if they did... I would have asked a different
> question.

What if you start reading from the heading titled "How to create a new 
backend"?