GNU bug report logs - #25166
It shouldn't be possible to set the function cell of t

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Message #24 received at 25166 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Philipp Stephani <p.stephani2 <at> gmail.com>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: rgm <at> gnu.org, 25166 <at> debbugs.gnu.org
Subject: Re: bug#25166: 26.0.50;
 It shouldn't be possible to set the function cell of nil and t
Date: Mon, 26 Dec 2016 21:47:21 +0200

> From: Philipp Stephani <p.stephani2 <at> gmail.com>
> Date: Mon, 26 Dec 2016 19:29:17 +0000
> Cc: 25166 <at> debbugs.gnu.org
> 
>  And now see also ffb1302. :)
>  Anyway, I only did "nil", since as you say "t" can actually be called as
>  a function. But you are right that it's probably unintended.
> 
> Thanks! Interestingly the behavior was already added in 1994 (commit
> c15c5d408d696928862ca2848a359231e373556c), but apparently reverted later. I'd suggest to simply
> reinstate that commit. 

It was reverted in 32e5c58ca969ec30d31520da52c9866cafa62927.  Perhaps
Stefan could tell why he did that (the log message doesn't say).

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