bug#44486: 27.1; C-@ chars corrupt elisp buffer

[Eli Zaretskii]

> Date: Sat, 14 Nov 2020 20:08:04 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: thievol@posteo.net, larsi@gnus.org, schwab@linux-m68k.org,
>  44486@debbugs.gnu.org
> 
> For .el files, we can always bind inhibit-null-byte-detection to t
> when we load or visit such files.

Alternatively, we could introduce a separate coding-system whose
:inhibit-null-byte-detection property is t, and use that for *.el
files.