GNU bug report logs - #30078
27.0.50; Use lexical-binding for M-:

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Message #41 received at 30078 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: michael_heerdegen <at> web.de, 30078 <at> debbugs.gnu.org
Subject: Re: bug#30078: 27.0.50; Use lexical-binding for M-:
Date: Fri, 12 Jan 2018 22:03:13 +0200

> From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
> Cc: michael_heerdegen <at> web.de, 30078 <at> debbugs.gnu.org
> Date: Fri, 12 Jan 2018 14:06:41 -0500
> 
> >> > Please, not in *scratch*.  Setting variables and then evaluating forms
> >> > that use them is very useful there.
> >> I'm not sure how the two sentences are connected:
> >> Setting lexical-binding to t in *scratch* won't prevent setting
> >> variables and evaluating forms that use them.
> > For some value of "prevent", surely?  Dynamically-bound variables will
> > no longer work as they did before, right?
> 
> No, they'll work pretty much as before.

Then you are saying that turning on lexical-binding in *scratch* will
change nothing at all?  I very much doubt that, and my witness are all
those packages that broke due to lexical-binding and needed minor
fixes.

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