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Re: `font-lock-extend-region-functions' vs. `font-lock-extend-after-chan

From: Tobias C. Rittweiler
Subject: Re: `font-lock-extend-region-functions' vs. `font-lock-extend-after-change-region-function'
Date: Thu, 07 May 2009 14:30:51 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/23.0.60 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> > Alternatively `font-lock-default-fontify-region' could be made
> > smarter in so far as it could check whether a pass actually changed
> > font-lock-beg and font-lock-end, and if not, would not try another
> > pass.
> If a function doesn't actually change font-lock-{beg/end}, it should
> return nil.

Right, my request is to test for this assertion explicitly.


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