Re: Font-lock seemingly interacting with insertion

[Eli Zaretskii]

> From: Marcin Borkowski <mbork@mbork.pl>
> Date: Wed, 21 Mar 2018 06:28:36 +0100
> 
> I want to insert a string with a part made bold (using
> `add-face-text-property').  In certain buffers (e.g. in Fundamental
> mode) this works, but in some other ones (e.g. in Org-mode or
> message-mode) it does not.  After turning font-lock off, it works back
> again.  This means that font-lock kicks in right after inserting and
> disables my boldface.

Yes.

> Is there a way to make it not happen, without turning font lock off?

Not really.  You can turn off JIT font-lock, but then you will have to
refontify manually, and I suspect that this would, for you, mean
"turning off font-lock".

Bottom line: in buffers with font-lock turned on, font-lock has
absolute control of the faces.