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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: datagram source port?
Date: Thu, 19 Dec 2019 17:43:46 +0200
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To: Robert Pluim <rpluim@gmail.com>
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> From: Robert Pluim <rpluim@gmail.com>
> Date: Thu, 19 Dec 2019 11:41:41 +0100
> Cc: emacs-devel@gnu.org
> 
> That seems fragile. Anyway, given that we have
> set-process-datagram-address, I donʼt see why we couldn't add
> set-process-datagram-source-address as well. Eli, something like this?
> Or we could add an optional parameter to set-process-datagram-address
> to mean 'set source'.

The latter, IMO, because the code is very similar.

> (I realize weʼre close to cutting the emacs-27 branch, and it needs
> documentation etc)

Right.