package-archive-priorities doc addition

* lisp/emacs-lisp/package.el (package-archive-priorities):
Document that negative priorities will lead to packages not being
updated (bug#28897).
This commit is contained in:
Lars Ingebrigtsen 2019-07-15 00:17:59 +02:00
parent c3da6fd707
commit dea9970bc0

View file

@ -252,7 +252,9 @@ number from the archive with the highest priority is
selected. When higher versions are available from archives with
lower priorities, the user has to select those manually.
Archives not in this list have the priority 0.
Archives not in this list have the priority 0, as have packages
that are already installed. If you use negative priorities for
the archives, they will not be upgraded automatically.
See also `package-menu-hide-low-priority'."
:type '(alist :key-type (string :tag "Archive name")