bug#25075: 26.0.50; [PATCH] Dired can now dereference symlinks when copying

[Eli Zaretskii]

> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Wed, 30 Nov 2016 18:04:17 +0000
> 
> Can you review and comment on the below patch. I came up with a necessity
> to copy symlinks from one dired buffer to another dired buffer as a
> dereferenced copy of that symlink.
> 
> In terminal, I would use the -L option of the cp command to do the same.
> 
> The current default behavior is unchanged as the new defcustom
> dired-copy-dereference is set to nil.

Shouldn't the doc string of dired-do-copy be updated with a reference
to the new variable?

Likewise the Emacs User manual should be updated.

Thanks.