Make sure gnus-group-set-info sets both the hashtable and alist

* lisp/gnus/gnus-group.el (gnus-group-set-info): Apparently this
  method of updating the group info will only apply to the
  gnus-newsrc-hashtb, not gnus-newsrc-alist. Do the alist explicitly.

1 files changed, 8 insertions, 1 deletions

diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index ea695aaa97f..2668e4fb7cd 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -4506,7 +4506,14 @@ and the second element is the address."
             (when (and (not (eq (car entry) t))
                        (gnus-active (gnus-info-group info)))
               (setcar entry (length
-                             (gnus-list-of-unread-articles (car info))))))
+                             (gnus-list-of-unread-articles (car info)))))
+            ;; The above `setcar' will only affect the hashtable, not
+            ;; the alist: update the alist separately.
+            (push info (cdr (setq gnus-newsrc-alist
+                                   (remove (assoc-string
+                                            (gnus-info-group info)
+                                            gnus-newsrc-alist)
+                                           gnus-newsrc-alist)))))
         (error "No such group: %s" (gnus-info-group info))))))
 
 ;; Ad-hoc function for inserting data from a different newsrc.eld