Okay, I have attached a new patch (no need for the previous patches).

PS: I inserted newlines into the docstring to make the lines shorter, but
this makes the docstring ugly to view (as it is essentially hardwrapping
based on an arbitrary column size that the user's screen will not share).

On Tue, Nov 2, 2021 at 6:45 PM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Rudi C <rudiwillalwaysloveyou@gmail.com>
> > Date: Tue, 2 Nov 2021 18:38:08 +0330
> > Cc: Eli Zaretskii <eliz@gnu.org>, Tassilo Horn <tsdh@gnu.org>, Stefan
> Kangas <stefankangas@gmail.com>,
> >       emacs-devel@gnu.org
> >
> > +(defcustom dired-create-destination-dirs-trailing-separator-special nil
>
> This variable's name is a mouthful; please let's find a shorter name.
>
> > +  "If t, when selecting a single destination in Dired, paths that end
> in a path separator will be treated as a non-existent directory, and acted
> on according to `dired-create-destination-dirs'.
> > +
> > +This option is only relevant if `dired-create-destination-dirs' is not
> `nil', and you are moving/copying a single directory.
> > +
> > +For example, when renaming a directory named `old_name' to `new_name/'
> (note the trailing path separator), `new_name' might be created depending
> on `dired-create-destination-dirs' and `old_name' will be moved into it if
> it is created; Otherwise `old_name' will be directly renamed to `new_name'."
> > +  :type '(choice (const :tag "Do not treat paths with a trailing path
> separator specially" nil)
>
> These lines are too long; please divide them into shorter lines.
>