bug#20235: 25.0.50; Commit 81b0eade25e57fc39f9ee75be3f5adef8af93035 breaks font-lock

[Eli Zaretskii]

> From: Tassilo Horn <tsdh@gnu.org>
> Date: Tue, 31 Mar 2015 09:56:11 +0200
> 
> 
> With the above mentioned commit, font-lock is broken.  Finding some
> source file (no matter if elisp, ruby or what else), only the beginning
> of the buffer is fontified, the remainder is not and will not be
> fontified.

You mean JIT lock, I guess.  Font-lock still works, if you invoke it
manually.  E.g., try font-lock-region.

But JIT fontification is indeed broken.