Subject: Re: bug#22300: 25.1.50; Dired -- renaming folders/files to CamelCase/UPPERCASE/lowercase.

From: Eli Zaretskii <[email-masked]>
Date: Mon, 04 Jan 2016 05:31:38 +0200

> Date: Sun, 03 Jan 2016 12:57:27 -0800
> From: Keith David Bershatsky <[email-masked]>
> 
> On an Emacs build (master branch), using Emacs -Q, I am unable to change files and folders in dired-mode from CamelCase/UPPERCASE/lowercase.
> 
> A folder named `FOO` cannot be changed to `foo` using `dired-do-rename`.
> 
>     Move ‘/Users/HOME/Desktop/FOO’ to ‘/Users/HOME/Desktop/foo/FOO’ failed:
>       (file-error Renaming Invalid argument /Users/HOME/Desktop/FOO /Users/HOME/Desktop/foo/FOO)

Why is it trying to make a directory into a subdirectory of itself?