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Re: Has eval-and-compile changed in emacs 27?


From: Leo Liu
Subject: Re: Has eval-and-compile changed in emacs 27?
Date: Fri, 26 Feb 2021 16:40:23 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (macOS 10.14.6)

On 2021-02-25 22:54 -0500, Stefan Monnier wrote:
> No, it was new back when we added the "not known to exist at run-time",
> i.e. a long time ago.

But the erldoc.el has been compiling without warnings since 24.5 and it
suddenly changes in 27.

>> What prompted the change?
>
> We found it useful to try and warn the users when they did
> (eval-when-compile (require FOO)) but FOO was also needed at run time.

But it's been suggesting cl-reduce, cl-mapcan not defined at runtime
when I explicitly have (require 'cl-lib) in the file which seems
contradictory.



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