bug#62732: 29.0.60; uniquify-trailing-separator-p affects any buffer whose name matches a dir in CWD

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: Eli Zaretskii <eliz@gnu.org>,  sbaugh@janestreet.com,
>   monnier@iro.umontreal.ca,  62732@debbugs.gnu.org
> Date: Mon, 17 Jul 2023 07:03:28 +0200
> 
> sbaugh@catern.com writes:
> 
> > Subject: [PATCH] Don't recalculate the buffer basename inside uniquify
> 
> Sorry but: Is it this patch's fault that it is not possible to visit the root
> directory "/" any more?
> 
> | Debugger entered--Lisp error: (error "Empty string for buffer name is not 
> allowed")
> |   get-buffer-create("" nil)
> |   generate-new-buffer("")
> |   create-file-buffer("/")
> |   dired-internal-noselect("/" nil)
> |   dired-noselect("/" nil)
> |   dired("/" nil)

Yes.  Should be fixed now.