GNU bug report logs - #44854
[PATCH] Add lexical-binding cookie to autoload files

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 44854 <at> debbugs.gnu.org, stefan <at> marxist.se
Subject: bug#44854: [PATCH] Add lexical-binding cookie to autoload files
Date: Wed, 25 Nov 2020 22:27:40 +0200

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: stefan <at> marxist.se,  44854 <at> debbugs.gnu.org
> Date: Wed, 25 Nov 2020 15:06:40 -0500
> 
> >> > What's the rationale?  Why not leave it without the cookie, right
> >> > until the time we turn lexical-binding on by default?
> >> Because when we change the default (not sure what that could be, 2030
> >> maybe?), it will change the way existing files are treated except those
> >> that have a `lexical-binding:` cookie.  Clearly, this is dangerous
> > Dangerous for loaddefs.el? why?
> 
> I was not discussing specifically `loaddefs.el`.
> The reason to change it in `loaddefs.el` now rather than later is
> because I can't see any benefit to doing it later.

That's not a reason good enough in my book, sorry.

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