Re: How to add pseudo vector types

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Yuan Fu <casouri@gmail.com>,  cpitclaudel@gmail.com,  emacs-devel@gnu.org
> Date: Fri, 23 Jul 2021 10:07:42 -0400
> 
> > But that's how the current font-lock and indentation work: they never
> > look beyond the narrowing limits.
> 
> Not quite: that's true for indentation, but for font-lock we have
> `font-lock-dont-widen` (i.e. by default, font-lock widens temporarily
> while it does its job).

jit-lock never requests fontifications outside of the accessible
portion, because redisplay doesn't look there.