Close bug#3992.

[gnu-emacs] / lisp / pcmpl-unix.el

diff --git a/lisp/pcmpl-unix.el b/lisp/pcmpl-unix.el
index 546d4a2591d82985fdc045c22607b6bd8d1f23f9..9282fe87b5a12c2356ab524789935d0063d4cb6a 100644 (file)
--- a/lisp/pcmpl-unix.el
+++ b/lisp/pcmpl-unix.el
@@ -85,7 +85,10 @@ with the SSH option \"HashKnownHosts no\"."
   (while (pcomplete-here (funcall pcomplete-command-completion-function))))
 
 (defun pcmpl-unix-read-passwd-file (file)
-  "Return an alist correlating gids to group names in FILE."
+  "Return an alist correlating gids to group names in FILE.
+
+If FILE is in hashed format (as described in the OpenSSH
+documentation), this function returns nil."
   (let (names)
     (when (file-readable-p file)
       (with-temp-buffer