master 33b50e2: Show A C hint for loading complete message only in nnimap groups.

[Tassilo Horn]

branch: master
commit 33b50e2fc9d43802e71e708e10605a0b1d04ad83
Author: Tassilo Horn <tsdh@gnu.org>
Commit: Tassilo Horn <tsdh@gnu.org>

    Show A C hint for loading complete message only in nnimap groups.
    
    * lisp/gnus/gnus-art.el (gnus-insert-mime-button): Show A C hint for
    loading complete message only in nnimap groups.
---
 lisp/gnus/gnus-art.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el
index 1be8c48..09dfb82 100644
--- a/lisp/gnus/gnus-art.el
+++ b/lisp/gnus/gnus-art.el
@@ -5849,7 +5849,9 @@ all parts."
                                          (concat "; " gnus-tmp-name))))
     (unless (equal gnus-tmp-description "")
       (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
-    (when (zerop gnus-tmp-length)
+    (when (and (zerop gnus-tmp-length)
+               ;; Only nnimap supports partial fetches so far.
+               (string-match "^nnimap\\+" gnus-newsgroup-name))
       (setq gnus-tmp-type-long
             (concat
              gnus-tmp-type-long