bug#865: 23.0.60; The directory is unsafe today

[Eli Zaretskii]

> Date: Tue, 02 Sep 2008 20:06:56 +0200
> From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
> Cc: emacs-pretest-bug@gnu.org, 865@emacsbugs.donarmstrong.com
> 
> why not just check with file-writeable-p here?

Don't forget that on Windows, almost every file is writable.  You
don't want everybody and their dog to be able to look at your server
directory, do you?

IOW, this test is not about being able to write to a directory, it's
about keeping your private data private.