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

From: Stefan Monnier
Subject: Re: font-lock-add-keywords in hi-lock.el
Date: Fri, 30 Dec 2005 18:21:40 -0500
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

>   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?



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