bug#63311: 30.0.50; [PATCH] smtpmail-send-it split

[Eli Zaretskii]

> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Date: Fri, 05 May 2023 22:34:39 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Date: Fri, 05 May 2023 15:13:32 +0200
> >> From:  Manuel Giraud via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >> 
> >> BTW, does anyone know the purpose of 'errbuf': I see it is created then
> >> erased and then killed?
> >
> > Looks like a left-over from when this function was written.  It is
> > basically a rewrite of sendmail-send-it, which does use that variable.
> 
> Ok.  Do you want me to upgrade this patch removing errbuf?

Sure, that's a good cleanup.

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