Honor 'Info-additional-directory-list' in 'C-h R' completion

* lisp/info.el (info--manual-names): Take into account
'Info-additional-directory-list', in addition to
'Info-directory-list'.  (Bug#71368)

diff --git a/lisp/info.el b/lisp/info.el
index c2c393cb243c50875bbd94b1319293d99c43da4a..d151c6365b82dac50a441243c2b0c078d1ba3dd9 100644 (file)
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -5675,7 +5675,9 @@ completion alternatives to currently visited manuals."
                           (all-completions
                            ""
                            (apply-partially #'Info-read-node-name-2
-                                            Info-directory-list
+                                            (append
+                                              Info-directory-list
+                                              Info-additional-directory-list)
                                             (mapcar #'car Info-suffix-list))))))))
 
 (provide 'info)