Add docstrings

[gnus] / lisp / gnus-dired.el

diff --git a/lisp/gnus-dired.el b/lisp/gnus-dired.el
index da20c66..a12046f 100644 (file)
--- a/lisp/gnus-dired.el
+++ b/lisp/gnus-dired.el
@@ -133,7 +133,9 @@ filenames."
          (mapcar
           ;; don't attach directories
           (lambda (f) (if (file-directory-p f) nil f))
-          (nreverse (dired-map-over-marks (dired-get-filename) nil))))))
+          (nreverse
+           (let ((arg nil)) ;; Silence XEmacs 21.5 when compiling.
+             (dired-map-over-marks (dired-get-filename) arg)))))))
   (let ((destination nil)
        (files-str nil)
        (bufs nil))