Re: font-lock-add-keywords in hi-lock.el

[Stefan Monnier]

>   signal(error ("Font-lock trying to use keywords before setting them up"))
>   error("Font-lock trying to use keywords before setting them up")
>   font-lock-compile-keywords(nil t)
>   font-lock-fontify-keywords-region(1 81 nil)
>   font-lock-default-fontify-region(1 80 nil)
>   font-lock-fontify-region(1 80)
>   mh-add-sequence-notation(1 t)

So it looks like the problem is that you call font-lock-fontify-region
without first setting up font-lock variables (e.g. by calling
font-lock-mode or font-lock-set-defaults).

> OK, that's better, thanks! I still need to check the other calls on the
> stack, but mh-visit-folder contains this:

>   (make-local-variable 'font-lock-defaults)
>   (setq font-lock-defaults '(mh-folder-font-lock-keywords t))

> Is this the usual way of injecting one's keywords?

Yes.


        Stefan