(Info-find-file): Fall back on the installation directory if we can't find the info node anywhere else.

2 files changed, 10 insertions, 0 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e2371c6f7c8..d2bfdb90a40 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-13  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+        * info.el (Info-find-file): Fall back on the installation
+        directory if we can't find the info node anywhere else.
+
 2011-07-13  Sergei Organov  <osv@javad.com>  (tiny change)
 
         * vc/vc.el (vc-revert-file):
diff --git a/lisp/info.el b/lisp/info.el
index 29daac566d1..9e67542cda5 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -728,6 +728,11 @@ just return nil (no error)."
                           (append Info-directory-list
                                   Info-additional-directory-list)
                         Info-directory-list)))))
+        ;; Fall back on the installation directory if we can't find
+        ;; the info node anywhere else.
+        (when installation-directory
+          (setq dirs (append dirs (list (expand-file-name
+                                         "info" installation-directory)))))
         ;; Search the directory list for file FILENAME.
         (while (and dirs (not found))
           (setq temp (expand-file-name filename (car dirs)))