The following features of Emacs are not yet supported on the Mac:
unexec (@code{dump-emacs}), asynchronous subprocesses
(@code{start-process}), and networking (@code{open-network-connection}).
-As a result, packages such as Gnus, Ispell, and Comint do not work.
+As a result, packages such as Gnus, GUD, and Comint do not work.
Since external Unix programs to handle commands such as
@code{print-buffer} and @code{diff} are not available on the Mac OS,