GNU bug report logs - #66136
29.1; byte-compiler reports "misplaced interactive spec" with empty fct in lexical environment

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Jens Schmidt <jschmidt4gnu <at> vodafonemail.de>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 66136 <at> debbugs.gnu.org
Subject: bug#66136: 29.1; byte-compiler reports "misplaced interactive spec" with empty fct in lexical environment
Date: Fri, 22 Sep 2023 08:58:47 +0300

> Date: Thu, 21 Sep 2023 23:39:47 +0200
> From:  Jens Schmidt via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> Found the issue I think:
> 
> -------------------- bad case --------------------
> (macroexp-parse-body '("Allows interactive calls." (interactive "^P")))
> 
> =>
> 
> (("Allows interactive calls.")
>  (interactive "^P"))
> -------------------- bad case --------------------
> 
> -------------------- good case --------------------
> (macroexp-parse-body '("Allows interactive calls." (interactive "^P") nil))
> 
> =>
> 
> (("Allows interactive calls." (interactive "^P"))
>  nil)
> -------------------- good case --------------------
> 
> That is, macroexp-parse-body does not consider the case that a body can
> consist of declarations only and, if this is the case, puts the last
> declaration into the body forms.
> 
> Could provide a patch if somebody confirms that this is really the root
> cause of this issue.  Yet on the other hand this is pretty deep elisp,
> so if somebody else steps forward, I'll be glad as well.

Adding Stefan, in case he has comments/suggestions.

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