bug#28780: 25.3; Bad signature from GNU ELPA whe coding-system-for-read is utf-8

[Eli Zaretskii]

> From: Iakov Davydov <dav02.davs@myths.ru>
> Date: Tue, 10 Oct 2017 18:55:05 +0000
> Cc: 28780@debbugs.gnu.org
> 
> After carefully reading the documentation for coding-system-for-read, I think 
> you are right. It shouldn't be used
> like that.
> 
> However the snipped including this command to "unicodify" emacs is mentioned 
> in many places including
> some answers on stackoverflow.

That's why you should always treat answers on stackoverflow with a
grain of salt (a.k.a. "suspicion").

> I think you the bug can be closed, thank you.

Done.

>  > 2. https://emacs.stackexchange.com/questions/10046
>  > 7. https://www.linux.org.ru/forum/security/13718006 (In Russian)
> 
>  I see no clear evidence that these reports are due to setting
>  coding-system-for-read.
> 
> At least cases #2 and #7 have a very the similar error message (and the same 
> package in one case).

Yes, the messages are very similar.  But there's no data to point in
the direction of coding-system-for-read being set.

Thanks.