Respect buffer-local message-fcc-handler-function

* lisp/gnus/message.el (message-do-fcc): Copy the local
variables from the Message buffer so that local settings of
`message-fcc-handler-function' etc are respected (bug#21174).

diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index 7cff8b80a213ca7240cdaf7f023c0b793049f610..50d2380dd7b6e14c06ab2675fff3fe9d88b9be4b 100644 (file)
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -5399,6 +5399,7 @@ Otherwise, generate and save a value for `canlock-password' first."
     (when file
       (with-temp-buffer
        (insert-buffer-substring buf)
+       (message-clone-locals buf)
        (message-encode-message-body)
        (save-restriction
          (message-narrow-to-headers)