Re: Last steps for pretesting (font-lock-extend-region-function)

[Stefan Monnier]

> When experimenting with extension of the region to be fontified in
> AUCTeX I advised `jit-lock-after-change' to do this extension and with
> that piece of advice refontification of a multiline construct after a
> buffer change happened immediately while without the advice it took a
> few moments.  Possibly as long as `jit-lock-context-time' IIUC.

That seems to be unrelated to any kind of hook in font-lock-fontify-region.
It seems what happens is that without the advice the text doesn't get
a font-lock-multiline property but happens to still be correctly refreshed
thanks to jit-lock-contextually.  Or something like that.


        Stefan