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Re: Changes in GC and in pure space

From: Eli Zaretskii
Subject: Re: Changes in GC and in pure space
Date: Tue, 23 Jul 2019 17:46:11 +0300

> Cc: address@hidden, address@hidden
> From: Paul Eggert <address@hidden>
> Date: Mon, 22 Jul 2019 18:43:45 -0700
> > Note that AFAIK we currently don't dump any such hash-tables, so if
> > there's a bug there it only affects the case of the user *re*dumping
> > with a special config, which AFAIK we do not intend to officially
> > support yet for 27.1.
> Although I vaguely recall an email conversation to that effect, I don't see 
> it 
> in the Emacs documentation. And since unexec is now disabled by default, if 
> people want to use any dumping method at all then by default they'll be 
> redumping in the way that you suggest. If we really intend to not support 
> that, 
> we should be clearer about it in NEWS and documentation.

We do want to support re-dumping eventually, but we are clearly not
there yet.  If you tried that, you probably saw a few quirks very
quickly.  It will take time to rectify all of them, and I agree we
shouldn't aim for that milestone in Emacs 27.1.

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