bug#70361: [PATCH] Add font-locking for operators in go-ts-mode.

[Eli Zaretskii]

> From: Noah Peart <noah.v.peart@gmail.com>
> Date: Sat, 13 Apr 2024 00:53:45 -0700
> Cc: Yuan Fu <casouri@gmail.com>, 70361@debbugs.gnu.org
> 
> > What problems do you see with the current approach that would require
> more fine-grained user control?
> 
> The main issue for me is removing the `error` feature from any mode
> that adds it with `:override t`. I find the override font-locking is jarring 
> - in some
> Languages half the buffer can switch in and out of parse errors when you
> do something as simple as removing a closing paren.

Maybe we should have a user option to turn error feature on and off.
Yuan, WDYT?

> Also, allowing users to rearrange features at different levels seems like a 
> bonus.

Not sure about this one.  We didn't have that in the traditional
font-lock, did we?