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

[Dmitry Gutov]

Version: 24.4

On 18.03.2013 2:30, 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.