Re: [Emacs-diffs] master 14bb519: * lisp/emacs-lisp/package.el: New "external" package status

[Stefan Monnier]

>     An external package is any installed package that's not built-in
>     and not from `package-user-dir', which usually means it's from an
>     entry in `package-directory-list'.  They are treated much like
>     built-in packages, in that they cannot be through the Package Menu
>     deleted and are not considered for upgrades.

Good, thanks.  I'd call them "system packages", tho.  And we should
allow the user to install another version on top of it.


        Stefan