 (setq custom-file exordium-custom-file)
 
 (defcustom exordium-extra-packages ()
-  "Additional packages to auto load from elpa repositories"
+  "A list of additional packages to auto load from elpa repositories."
     :group 'exordium
     :type  'list)
 
 (defcustom exordium-extra-pinned ()
-  "Additional packages locations to pin to"
+  "An alist of additional packages locations to pin to.
+
+Each element of the list is in the same form as in `package-pinned-packages'."
   :group 'exordium
-  :type  'list)
+  :type  'alist)
 
 ;; Taps definition of before and after files. These are loaded
 ;; after master 'before', 'after', and 'prefs' files

;; then press I to mark for installation and X to execute (it's like dired).

;; Initialize the package system
(require 'package)

(add-to-list 'package-archives
             (cons "melpa" exordium-melpa-package-repo) t)
(add-to-list 'package-archives
             (cons "melpa-pinned" exordium-pinned-melpa-package-repo) t)
(add-to-list 'package-archives
             (cons "gnu" exordium-gnu-package-repo) t)

(setq package-user-dir (concat "~/.emacs.d/elpa-" emacs-version))


(defconst exordium-tapped-after-init-files ()
  "all tapped after init files, including master")

(defconst exordium-melpa-package-repo "https://melpa.org/packages/"
  "URL for packages repository")

(defconst exordium-pinned-melpa-package-repo "https://melpa.org/packages/"
  "URL for pinned default packages. Set to stable melpa.org if you want stable")

(defconst exordium-gnu-package-repo "https://elpa.gnu.org/packages/"
  "URL for the GNU package repository")

(when (file-accessible-directory-p exordium-taps-root)
