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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Does make-thread use pdumper?
Date: Thu, 18 Jul 2019 13:04:16 +0300
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> From: Shuguang Sun <shuguang79@qq.com>
> Date: Thu, 18 Jul 2019 17:13:26 +0800
> 
> I have question about make-thread and pdumper. I use a customized
> pdumper generated via dump-emacs-portable. In this dumped emacs, If I
> make-thread, would it take all packages which has been dumped?

make-thread is just a function, it doesn't take any packages.

In general, all the dumped packages are available in an Emacs session
restore from that dump.