Re: Font-lock seemingly interacting with insertion

[Eli Zaretskii]

> Date: Wed, 21 Mar 2018 17:39:12 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: help-gnu-emacs@gnu.org
> 
> And `hi-lock.el' just uses font-lock to do its job, so it too
> is no escape from control by font-lock-mode.

That's not true.  From the doc string of hi-lock-mode:

  In buffers where Font Lock mode is enabled, patterns are
  highlighted using font lock.  In buffers where Font Lock mode is
  disabled, patterns are applied using overlays