bug#39597: 27.0.60: M-x occur adds fontification to fundamental-mode

[Eli Zaretskii]

> From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
> Cc: Juri Linkov <juri@linkov.net>,  monnier@iro.umontreal.ca,
>   39597@debbugs.gnu.org
> Date: Thu, 20 Feb 2020 20:10:25 +0100
> 
> > Doesn't sound serious enough to do this on the release branch.  We've
> > had this issue for quite some time, no?
> 
> Unless I'm getting mixed up between the bug reports I've made recently,
> this issue has actually been introduced in emacs 27.  Quoting my initial
> message (and hoping I'm not confused):
> 
> > In emacs 26.3, the Occur buffer pops up and not much else happens;
> > starting with emacs 27, font-lock-string-face is applied to "bar".

Can you show what commit introduced that?

Thanks.