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bug#55156: [PATCH] eval.c: New functions `defvar-f` and `defconst-f`


From: Lars Ingebrigtsen
Subject: bug#55156: [PATCH] eval.c: New functions `defvar-f` and `defconst-f`
Date: Thu, 28 Apr 2022 00:11:05 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs@gnu.org> writes:

> This sounds scary, but the reality is less so: while the behavior of
> the special form obeyed its doc in this respect, the behavior of the
> convoluted code generated by the byte-compiler did not(!) and always
> evaluated the <exp> part anyway.  So this patch also aligns the two
> semantics to provide the same behavior.

Uhm -- are you saying that if you load an .elc file twice, the <exp>
parts in the defvars will be evaluated twice?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





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