GNU bug report logs - #13817
24.3.50; Disabling whitespace-mode that was enabled in sgml-mode-hook breaks font-lock

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Message #19 received at 13817-done <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 13817-done <at> debbugs.gnu.org
Subject: Re: bug#13817: 24.3.50; Disabling whitespace-mode that was enabled
	in sgml-mode-hook breaks font-lock
Date: Tue, 19 Mar 2013 19:14:15 +0400

On 19.03.2013 17:02, Stefan Monnier wrote:
>>>> On the surface, the reason for this is that when whitespace-mode is being
>>>> turned on in the hook, font-lock-keywords is still nil, and so nil is
>>>> saved in whitespace-font-lock-keywords.
>>> whitespace.el should probably use font-lock-remove-keywords instead.
>> That helped, thank you.
>> I left the disabling/enabling of font-lock-mode there, because otherwise the
>> changes in highlighting are not visible until the buffer is modified.
>
> Supposedly `font-lock-fontify-buffer' is meant to do that without
> disabling+enabling.

That works, too. :)

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