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-rw-r--r--lisp/gnus/gnus-agent.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/gnus/gnus-agent.el b/lisp/gnus/gnus-agent.el
index 0d024d06e11..0357ddd18cb 100644
--- a/lisp/gnus/gnus-agent.el
+++ b/lisp/gnus/gnus-agent.el
@@ -118,6 +118,8 @@ If nil, only read articles will be expired."
(defcustom gnus-agent-synchronize-flags t
"Indicate if flags are synchronized when you plug in.
If this is `ask' the hook will query the user."
+ ;; If the default switches to something else than nil, then the function
+ ;; should be fixed not be exceedingly slow. See 2005-09-20 ChangeLog entry.
:version "21.1"
:type '(choice (const :tag "Always" t)
(const :tag "Never" nil)