GNU bug report logs - #64272
28.1; lisp_file_lexically_bound_p behavior mismatches file local variables

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From: Eli Zaretskii <eliz <at> gnu.org>
To: LdBeth <andpuke <at> foxmail.com>
Cc: 64272 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca
Subject: bug#64272: 28.1; lisp_file_lexically_bound_p behavior mismatches file local variables
Date: Sun, 25 Jun 2023 09:08:43 +0300

> Date: Sat, 24 Jun 2023 21:11:11 -0500
> From: LdBeth <andpuke <at> foxmail.com>
> Cc: LdBeth <andpuke <at> foxmail.com>,
> 	Stefan Monnier <monnier <at> iro.umontreal.ca>,
> 	64272 <at> debbugs.gnu.org
> 
> Eli> I think we should do the latter, because
> Eli> hack-local-variables-prop-line is more lenient than
> Eli> lisp_file_lexically_bound_p.
> 
> Eli> Stefan, any comments?
> 
> If so, I think the only thing needs to be changed is
> remove the `if (ch != ';')` test.
> 
> Since from what I test, even if first line is something like
> 
> |(setq tmp " -*- lexical-binding: t -*- ")
> 
> the file local variables would still be applied.

I'm not sure we want to support this outside of a Lisp comment.
Stefan, WDYT?  Could false positives cause harm?

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