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bug#49291: [akater] [PATCH] lisp/emacs-lisp/eieio.el (initialize-instanc

From: akater
Subject: bug#49291: [akater] [PATCH] lisp/emacs-lisp/eieio.el (initialize-instance): Fix initform
Date: Mon, 12 Jul 2021 18:32:09 +0000

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> This can't be right because it presumes the CLOS semantics which we
> don't have yet: `:initform x` will use the symbol `x` rather than the
> value of variable `x` as the default value (and it will emit a warning
> because we don't want code to rely on this non-CLOS-compatible
> semantics).

Right.  I had to do it in Emacs 27 but it's implemented differently in
28, as should have been evident to me given the current code in

> we want a test that fails on the current code
> and succeeds after we install your patch.

OK; I replaced the tests.

Attachment: signature.asc
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Attachment: 0001-Prevent-excessive-evaluation-of-initform.patch
Description: Fix eval initform

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