Re: PL support

[Stefan Monnier]

> That leaves a lot of room for variation.  We can't say whether we
> would want to refer to MELPA-Libre until we know what it would be.

Then tell us what it is you would find acceptable (in the sense that we
could add it to the default value of `package-archives`).

The crucial 2 constraints would be:
- It would not require copyright paperwork.
- It would not impose our own coding conventions and would hence happily
  accept `s.el`.


        Stefan