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From: Michael Heerdegen <michael_heerdegen@web.de>
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Subject: Re: Edit a cl-struct by copy, or, slot-value for cl-structs
Date: Sat, 30 Oct 2021 01:14:13 +0200
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Emanuel Berg via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

> > Sorry for the dumb question, but isn't that more or less the
> > same as `xxx-copy' plus modifying slot3 of the copy?
>
> But you are not allowed to do that :)

Ah ok - forget it.  As I said, a dumb question :-)

Michael.