RE: [External] : Re: PR: dired-do-create-files now checks for trailing slashes in the target

[Drew Adams]

>   file -> 2.txt (renames plain file no matter if 2.txt already exists)
>   file -> foo   (move into foo if that's an existing dir, otherwise
>                  rename)
>   file -> foo/  (move into directory foo, creating if not existing
>                  and dired-create-destination-dirs is non-nil)
> 
> The first 2 are unchanged, the third one is the new one.

What about:  foo -> foo/

Does that move file foo to directory foo, as
foo/foo, creating directory foo if it doesn't
exist?  If not, does the doc call out that
inconsistency?  Or does it raise an error?
What does it do?