bug#28792: 26.0.60; Deleting to a custom trash directory in Dired gives error

[Eli Zaretskii]

> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Thu, 12 Oct 2017 15:07:35 +0000
> Cc: self@gkayaalp.com, Noam Postavsky <npostavs@users.sourceforge.net>, 
>       Drew Adams <drew.adams@oracle.com>
> 
> why does that error show up on trashing (i.e. moving, not deleting) a 
> directory,
> dependent on the value of trash-directory and the location of the directory I 
> am trying to trash?

Because one directory already includes a file/directory of the same
names as the one you are trying to trash, whereas the other one does
not.