Subject: Re: bug#10489: 24.0.92; dired-do-copy may create infinite directory hierarchy

From: Stefan Monnier <[email-masked]>
Date: Mon, 27 Feb 2012 02:45:58 -0500

> I have modified files-equal-p and file-subdir-of-p to work with
> non--existing files,

Calling files-equal-p on non-existing files makes no sense, so I don't
think we should support it (at least not until we have concrete
evidence that it is needed, at which point we can decide what we intend
it to mean).

        Stefan