Fix Gnus icalendar button navigation

* lisp/gnus/gnus-icalendar.el (gnus-icalendar-insert-button): Mark
buttons correctly for TAB navigation (bug#46135).

diff --git a/lisp/gnus/gnus-icalendar.el b/lisp/gnus/gnus-icalendar.el
index 1e0e2071018131ea5587b9c38be269aa510a9b37..9811e8b440f30daf3004b58caf29d050d1cccb15 100644 (file)
--- a/lisp/gnus/gnus-icalendar.el
+++ b/lisp/gnus/gnus-icalendar.el
@@ -835,6 +835,7 @@ These will be used to retrieve the RSVP information from ical events."
        keymap ,gnus-mime-button-map
        face ,gnus-article-button-face
        follow-link t
+       category t
        button t
        gnus-data ,data))))