> I've run into the same problem in sql-mode; the need to alter the
> font-lock rules after font-lock-mode has been enabled. My current
> solution is as follows:
> ;; Force font lock to reinitialize if it is already on
> ;; Otherwise, we can wait until it can be started.
> (when (and (fboundp 'font-lock-mode)
> (boundp 'font-lock-mode)
> font-lock-mode)
> (font-lock-defontify)
> (font-lock-mode -1)
> (font-lock-mode 1))
Does this work? I'm surprised since I don't think any one of those
3 functions resets font-lock-set-defaults.
> The `defontify' seems to be the ticket to get font-lock to recalc its
> settings and actually reperform the fontification.
Huh? Actually you probably shouldn't call font-lock-defontify, especially
since you don't seem to understand what it does.
> Stefan, can you confirm that this approach should work? The docs for `font-
> lock-defontify' certainly imply that this function should do what we are
> looking for. Thanks.
I don't think any approach will work except for something like:
(font-lock-mode -1)
(kill-local-variable 'font-lock-set-default)
(font-lock-mode 1)
Although this of course depends a lot on how you change the settings.
The best way (which doesn't mean it's good) to change settings currently is
probably with font-lock-add-keywords.
A simpler alternative is to use a function-matcher so you don't even have to
tell font-lock to update anything, you can instead just change some of the
variables used by your function (this is what I used in sh-script).
Stefan
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