(gnus-summary-refer-thread): Implement a version that uses *-request-thread.

[gnus] / lisp / nnml.el

diff --git a/lisp/nnml.el b/lisp/nnml.el
index 42b5321..b84ce51 100644 (file)
--- a/lisp/nnml.el
+++ b/lisp/nnml.el
@@ -846,7 +846,9 @@ article number.  This function is called narrowed to an article."
     buffer))
 
 (defun nnml-open-nov (group)
-  (or (cdr (assoc group nnml-nov-buffer-alist))
+  (or (let ((buffer (cdr (assoc group nnml-nov-buffer-alist))))
+       (and (buffer-name buffer)
+            buffer))
       (let ((buffer (nnml-get-nov-buffer group)))
        (push (cons group buffer) nnml-nov-buffer-alist)
        buffer)))