master 5df652d: Add sanity check for Gnus groups that belong to no topic

[Lars Ingebrigtsen]

branch: master
commit 5df652d6144c82e1a0321d0feaf93e20467f635b
Author: dickmao <none>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Add sanity check for Gnus groups that belong to no topic
    
    * lisp/gnus/gnus-topic.el (gnus-topic-change-level): Do not change
    gnus-topic-alist when group is outside "topology" (bug#43582).
---
 lisp/gnus/gnus-topic.el | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lisp/gnus/gnus-topic.el b/lisp/gnus/gnus-topic.el
index ffd26bb..c913002 100644
--- a/lisp/gnus/gnus-topic.el
+++ b/lisp/gnus/gnus-topic.el
@@ -897,9 +897,7 @@ articles in the topic and its subtopics."
     (let ((inhibit-read-only t))
       (unless gnus-topic-inhibit-change-level
        (gnus-group-goto-group (or (car (nth 1 previous)) group))
-       (when (and gnus-topic-mode
-                  gnus-topic-alist
-                  (not gnus-topic-inhibit-change-level))
+       (when (and gnus-topic-mode gnus-topic-alist (gnus-current-topic))
          ;; Remove the group from the topics.
          (if (and (< oldlevel gnus-level-zombie)
                   (>= level gnus-level-zombie))