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Re: What to do when font-lock-flush + font-lock-ensure do less than font


From: Eli Zaretskii
Subject: Re: What to do when font-lock-flush + font-lock-ensure do less than font-lock-fontify-buffer?
Date: Mon, 22 Feb 2016 18:13:59 +0200

> From: Clément Pit--Claudel <address@hidden>
> Date: Sun, 21 Feb 2016 23:55:04 -0500
> 
> IIUC the proper way in Emacs 25 to signal changes that require a 
> refontification to font-lock is to call font-lock-flush. This doesn't always 
> do as much as font-lock-fontify-buffer does, though.
> 
> In particular, when the font-lock-fontified variable is nil (which does 
> happen, though I don't know why; I don't know what this variable is for), 
> then calling font-lock-fontify buffer does refontify the whole buffer, but 
> font-lock-flush and font-lock-ensure don't seem to do anything.
> 
> What's the proper way to mark a buffer for refontification (and refontify the 
> visible portion) immediately in 25?

I think what you describe _is_ the proper way.  Can you show a test
case which demonstrates how calling font-lock-flush followed by
font-lock-ensure fails to do the job?

Thanks.



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