From: Stefan Monnier <monnier@iro.umontreal.ca>
Date: Sat, 14 Mar 2020 18:59:45 +0000 (-0400)
Subject: * lisp/emacs-lisp/package.el (package-activate-1): Avoid duplicates
X-Git-Tag: emacs-28.0.90~7757
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f9685f984774f5cbe61c7fd0fc6e6935afe92743;p=emacs.git

* lisp/emacs-lisp/package.el (package-activate-1): Avoid duplicates

in `Info-directory-list`.
---

diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index bce17a04ba7..07d63b3a7dc 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -798,7 +798,7 @@ correspond to previously loaded files (those returned by
         ;; FIXME: not the friendliest, but simple.
         (require 'info)
         (info-initialize)
-        (push pkg-dir Info-directory-list))
+        (add-to-list 'Info-directory-list pkg-dir))
       (push name package-activated-list)
       ;; Don't return nil.
       t)))