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

[Alfred M. Szmidt]

   > 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.

   >     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.