* wl-action.el (wl-summary-set-mark): Fixed last change.

diff --git a/wl/wl-action.el b/wl/wl-action.el
index 7697064..c8aa08d 100644 (file)
--- a/wl/wl-action.el
+++ b/wl/wl-action.el
@@ -64,7 +64,7 @@ Return number if put mark succeed"
         (current (wl-summary-message-number))
         (action (assoc set-mark wl-summary-mark-action-list))
         visible mark cur-mark)
-    (when (elmo-folder-length wl-summary-buffer-elmo-folder)
+    (when (zerop (elmo-folder-length wl-summary-buffer-elmo-folder))
       (error "Set mark failed"))
     (unless current
       (error "No message"))