On Tue, May 20, 2014 at 10:53:11AM -0700, Junio C Hamano wrote:

> I actually think these "supress extra LFs" trying to be overly smart
> and inviting unnecessary surprises.  Unlike log messages people type
> (in which we do squash runs of blank lines and other prettifying),
> mail-signature string is not something people keep typing, and it
> would be better to keep it simple and consistent, i.e. we can
> declare that the users who use non-default mail-signature can and
> should learn to:
>     --signature='this is the first line of my long sig
>     with a blank line and then it ends here'
> and be done with it, I think.

If it were just "--signature", I'd agree. After all, nobody is even
complaining. But this is also in preparation for --signature-file.
Should the user create a file without a trailing newline?

We can special-case --signature-file to strip the final newline from the
read file, but it seems friendlier to handle it at the printing stage
(and then we handle the unlikely but possible --signature as above for
free). I don't think it would adversely impact any real-world case,
because somebody would have to:

  1. already be including an extra trailing newline

  2. really _want_ three newlines at the end

> The trailing blank after the mail-signature is a different issue.  I
> think it is safe to remove it and I also think the result may look
> better, but at the same time, it is very close to the "if we were
> writing format-patch today, then we would..." category, I would say.

Yeah. I think it is probably extraneous and would not hurt to remove.
But it may not be worth worrying about (it's really the _two_ lines
caused by the unconditional newline above that bugs me).

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