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Re: delete-trailing-whitespace behavior change?

From: Javier
Subject: Re: delete-trailing-whitespace behavior change?
Date: Wed, 12 Dec 2018 21:26:53 +0000 (UTC)
User-agent: tin/2.2.1-20140504 ("Tober an Righ") (UNIX) (Linux/3.18.6-1-ARCH (x86_64))

Loris Bennett <> wrote:
> I have this setting too and my Emacs 25.1.1 deletes all empty newlines
> at the end of a file, which it is what it says on the tin:
>   If this command acts on the entire buffer (i.e. if called
>   interactively with the mark inactive, or called from Lisp with END
>   nil), it also deletes all trailing lines at the end of the buffer if
>   the variable ‘delete-trailing-lines’ is non-nil.
> The 24.5.1 tins say the same thing.

The option delete-trailing-lines appeared in version 24.3.
So there may be a change of behaviour between 24.1, 24.2 and 25.x

>From /usr/share/emacs/*/etc/NEWS*

    * Editing Changes in Emacs 24.3
    ** New option `delete-trailing-lines' specifies whether
    M-x delete-trailing-whitespace should delete trailing lines at the end
    of the buffer.  It defaults to t.

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