Sync up with main trunc.

diff --git a/lisp/nnmail.el b/lisp/nnmail.el
index 5c0cd70..2b5fbbc 100644 (file)
--- a/lisp/nnmail.el
+++ b/lisp/nnmail.el
@@ -407,7 +407,7 @@ Example:
   :group 'nnmail-split
   :type '(repeat (cons :format "%v" symbol regexp)))
 
-(defcustom nnmail-delete-incoming nil
+(defcustom nnmail-delete-incoming t
   "*If non-nil, the mail backends will delete incoming files after
 splitting."
   :group 'nnmail-retrieve