* doc/emacs/ack.texi (Acknowledgments): Add Thien-Thi Nguyen.
* lisp/play/zone.el: Set maintainer to emacs-devel.
Thomas Neumann and Eric Raymond wrote @file{make-mode.el},
a mode for editing makefiles.
+@item
+Thien-Thi Nguyen wrote the @samp{xpm}, @samp{gnugo}, and
+@samp{ascii-art-to-unicode} packages. He also made substantial
+contributions to many others, such as @file{vc.el}.
+
@item
Thien-Thi Nguyen and Dan Nicolaescu wrote @file{hideshow.el}, a minor
mode for selectively displaying blocks of text.
;; Copyright (C) 2000-2023 Free Software Foundation, Inc.
;; Author: Victor Zandy <zandy@cs.wisc.edu>
-;; Maintainer: Thien-Thi Nguyen <ttn@gnu.org>
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: games
;; Created: June 6, 1998