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

[Michael Albinus]

Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:

>> Btw, it might be useful if you could add documentation about
>> `files-equal-p' and `file-subdir-of-p' in doc/lispref/files.texi.
> I will have a look.

Thanks.

The implementation of `files-equal-p' returns t, if both FILE1 and FILE2
do not exist. Either it is a bug, or it must be documented.

Best regards, Michael.