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Re: [Emacs-diffs] master 05a5a94: Correct calculation of CC Mode's font-
Re: [Emacs-diffs] master 05a5a94: Correct calculation of CC Mode's font-lock region.
Mon, 30 Mar 2015 20:40:55 -0400
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)
>> > (c-extend-after-change-region): Explicitly apply 'fontified properties
>> > to the extended bits of the font lock region.
>> Sounds like this is working around a problem elsewhere, so better add
>> a comment explaining what's going on.
> jit-lock-force-redisplay (that function which is set to run on the
> expiry of a 0 second timer, when jit-lock-fontify-now suspects that some
> area which has already been rendered requires to be re-rendered) doesn't
> seem to work. At least, I couldn't get it to work.
That doesn't explain why you need to set the `fontified' property
manually, which is normally done by the code that runs
> f-l-extend-j-l-r-after-change has a recently fixed bug, where the
> extended region is only returned to the caller in certain circumstances.
> Those circumstances no longer hold in CC Mode. To allow CC Mode to
> continue to work in already released Emacs versions, it is necessary to
> set the 'fontified text-property to nil from
Ah, so that's what's going on. This is the part that needs to be
documented in a comment (and I really mean a comment, not in a ChangeLog).